diff --git a/a2sudoku/easy.puzzles b/a2sudoku/easy.puzzles
index fbdc775..51cd974 100644
--- a/a2sudoku/easy.puzzles
+++ b/a2sudoku/easy.puzzles
@@ -1,2 +1 @@
-
-																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																										
\ No newline at end of file
+™																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																					
\ No newline at end of file
diff --git a/a2sudoku/hard.puzzles b/a2sudoku/hard.puzzles
index 00758e8..b69b30c 100644
--- a/a2sudoku/hard.puzzles
+++ b/a2sudoku/hard.puzzles
@@ -1 +1 @@
-x																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																						
\ No newline at end of file
+(																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																			
\ No newline at end of file
diff --git a/a2sudoku/medium.puzzles b/a2sudoku/medium.puzzles
index 40de445..8a02f43 100644
--- a/a2sudoku/medium.puzzles
+++ b/a2sudoku/medium.puzzles
@@ -1 +1 @@
-.																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																							
\ No newline at end of file
+'																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																																				
\ No newline at end of file
diff --git a/a2sudoku/puzzles.txt b/a2sudoku/puzzles.txt
index 6199fcd..eabcd2d 100644
--- a/a2sudoku/puzzles.txt
+++ b/a2sudoku/puzzles.txt
@@ -1,34800 +1,29000 @@
 DATA:
-{"puzzle":[7,null,6,null,null,null,null,null,null,null,null,null,null,null,0,7,null,null,8,null,null,null,null,null,null,5,0,null,null,null,7,null,null,0,null,null,null,3,null,null,null,1,null,null,6,null,null,8,null,null,4,null,null,2,null,null,null,0,1,3,null,4,null,null,7,null,null,null,null,null,null,8,2,null,null,null,null,null,1,null,3],"solution":[7,0,6,1,5,2,8,3,4,3,5,4,6,8,0,7,2,1,8,2,1,3,4,7,6,5,0,4,6,2,7,3,8,0,1,5,5,3,7,2,0,1,4,8,6,0,1,8,5,6,4,3,7,2,6,8,5,0,1,3,2,4,7,1,7,3,4,2,6,5,0,8,2,4,0,8,7,5,1,6,3]}
+{"puzzle":[4,null,null,null,6,2,null,null,null,5,null,1,4,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,null,5,0,null,null,null,null,null,null,8,null,null,4,2,3,5,null,null,null,8,null,null,3,1,null,null,null,null,null,null,null,7,null,4,1,3,null,null,null,5,null,null,6,7,null,null,null,null,null],"solution":[4,0,8,3,6,2,7,5,1,5,7,1,4,8,0,2,6,3,6,2,3,5,7,1,4,8,0,8,4,7,6,1,3,5,0,2,1,6,0,2,5,8,3,7,4,2,3,5,0,4,7,8,1,6,3,1,2,8,0,5,6,4,7,7,8,4,1,3,6,0,2,5,0,5,6,7,2,4,1,3,8]}
 PUZZLE:
-8 _ 7  _ _ _  _ _ _
-_ _ _  _ _ 1  8 _ _
-9 _ _  _ _ _  _ 6 1
+5 _ _  _ 7 3  _ _ _
+6 _ 2  5 _ _  _ _ _
+_ _ _  _ _ _  _ 9 _
 
-_ _ _  8 _ _  1 _ _
-_ 4 _  _ _ 2  _ _ 7
-_ _ 9  _ _ 5  _ _ 3
+_ _ _  _ _ _  6 1 _
+_ _ _  _ _ 9  _ _ 5
+3 4 6  _ _ _  9 _ _
 
-_ _ _  1 2 4  _ 5 _
-_ 8 _  _ _ _  _ _ 9
-3 _ _  _ _ _  2 _ 4
-
-SOLUTION:
-8 1 7  2 6 3  9 4 5
-4 6 5  7 9 1  8 3 2
-9 3 2  4 5 8  7 6 1
-
-5 7 3  8 4 9  1 2 6
-6 4 8  3 1 2  5 9 7
-1 2 9  6 7 5  4 8 3
-
-7 9 6  1 2 4  3 5 8
-2 8 4  5 3 7  6 1 9
-3 5 1  9 8 6  2 7 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,3,null,null,8,null,4,null,null,null,null,null,null,null,6,5,0,null,4,5,0,null,null,null,null,null,8,null,null,null,1,null,null,null,null,null,null,null,5,null,null,null,null,4,null,null,null,null,6,null,null,3,8,3,7,null,null,null,null,1,null,null,null,null,8,null,null,null,null,null,6,2,null,null,7,0,null,null,null,null],"solution":[0,2,3,6,5,8,7,4,1,1,8,7,3,2,4,6,5,0,6,4,5,0,7,1,8,2,3,8,3,2,4,1,0,5,6,7,7,6,0,5,8,3,2,1,4,4,5,1,2,6,7,0,3,8,3,7,6,8,4,5,1,0,2,5,0,8,1,3,2,4,7,6,2,1,4,7,0,6,3,8,5]}
-PUZZLE:
-_ _ 4  _ _ 9  _ 5 _
-_ _ _  _ _ _  7 6 1
-_ 5 6  1 _ _  _ _ _
-
-9 _ _  _ 2 _  _ _ _
-_ _ _  6 _ _  _ _ 5
-_ _ _  _ 7 _  _ 4 9
-
-4 8 _  _ _ _  2 _ _
-_ _ 9  _ _ _  _ _ 7
-3 _ _  8 1 _  _ _ _
-
-SOLUTION:
-1 3 4  7 6 9  8 5 2
-2 9 8  4 3 5  7 6 1
-7 5 6  1 8 2  9 3 4
-
-9 4 3  5 2 1  6 7 8
-8 7 1  6 9 4  3 2 5
-5 6 2  3 7 8  1 4 9
-
-4 8 7  9 5 6  2 1 3
-6 1 9  2 4 3  5 8 7
-3 2 5  8 1 7  4 9 6
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,7,2,null,8,1,null,null,null,3,1,null,null,4,null,null,null,null,null,null,null,4,null,6,null,3,null,null,null,null,null,null,null,2,null,7,4,null,null,null,null,5,null,null,8,null,null,null,null,0,null,null,null,null,null,0,null,null,2,null,null,8,null,7,3,null,null,null,null,6,1,null,null,null,8,null,null,null,null],"solution":[0,4,5,7,2,6,8,1,3,7,6,3,1,0,8,4,2,5,2,1,8,5,3,4,7,6,0,3,0,1,8,7,5,6,4,2,6,7,4,2,1,0,3,5,8,5,8,2,4,6,3,0,7,1,4,3,6,0,5,1,2,8,7,8,5,7,3,4,2,1,0,6,1,2,0,6,8,7,5,3,4]}
-PUZZLE:
-1 _ _  8 3 _  9 2 _
-_ _ 4  2 _ _  5 _ _
-_ _ _  _ _ 5  _ 7 _
-
-4 _ _  _ _ _  _ _ 3
-_ 8 5  _ _ _  _ 6 _
-_ 9 _  _ _ _  1 _ _
-
-_ _ _  1 _ _  3 _ _
-9 _ 8  4 _ _  _ _ 7
-2 _ _  _ 9 _  _ _ _
-
-SOLUTION:
-1 5 6  8 3 7  9 2 4
-8 7 4  2 1 9  5 3 6
-3 2 9  6 4 5  8 7 1
-
-4 1 2  9 8 6  7 5 3
-7 8 5  3 2 1  4 6 9
-6 9 3  5 7 4  1 8 2
-
-5 4 7  1 6 2  3 9 8
-9 6 8  4 5 3  2 1 7
-2 3 1  7 9 8  6 4 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,3,0,null,1,null,null,5,null,null,null,null,null,null,null,2,null,7,null,8,null,6,null,null,null,null,null,null,null,6,3,null,4,null,null,null,null,null,4,null,null,null,7,0,null,2,0,null,null,null,null,null,null,4,null,null,8,null,null,null,null,null,null,null,null,null,null,6,8,3,null,2,null,null,null,5,null,2,6,null,null],"solution":[4,3,0,2,1,7,8,5,6,5,6,1,4,8,0,2,3,7,7,8,2,6,5,3,0,4,1,1,7,6,3,0,4,5,2,8,8,5,4,1,2,6,7,0,3,2,0,3,8,7,5,1,6,4,6,2,8,0,3,1,4,7,5,0,4,5,7,6,8,3,1,2,3,1,7,5,4,2,6,8,0]}
-PUZZLE:
-_ 4 1  _ 2 _  _ 6 _
-_ _ _  _ _ _  3 _ 8
-_ 9 _  7 _ _  _ _ _
-
-_ _ 7  4 _ 5  _ _ _
-_ _ 5  _ _ _  8 1 _
-3 1 _  _ _ _  _ _ 5
-
-_ _ 9  _ _ _  _ _ _
-_ _ _  _ 7 9  4 _ 3
-_ _ _  6 _ 3  7 _ _
-
-SOLUTION:
-5 4 1  3 2 8  9 6 7
-6 7 2  5 9 1  3 4 8
-8 9 3  7 6 4  1 5 2
-
-2 8 7  4 1 5  6 3 9
-9 6 5  2 3 7  8 1 4
-3 1 4  9 8 6  2 7 5
-
-7 3 9  1 4 2  5 8 6
-1 5 6  8 7 9  4 2 3
-4 2 8  6 5 3  7 9 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,0,null,2,null,6,null,null,null,null,null,null,7,null,4,1,null,6,null,null,null,6,0,null,null,null,4,null,null,null,4,null,3,null,2,null,6,null,null,3,null,7,null,null,5,null,null,7,1,null,null,6,null,null,null,null,null,5,null,null,3,null,0,null,null,4,null,null,null,2,null,null,8],"solution":[4,6,8,3,5,0,7,1,2,0,1,2,8,6,7,4,3,5,5,3,7,2,4,1,8,6,0,1,5,6,0,2,8,3,4,7,7,0,4,1,3,5,2,8,6,2,8,3,6,7,4,0,5,1,8,7,1,4,0,6,5,2,3,6,2,5,7,8,3,1,0,4,3,4,0,5,1,2,6,7,8]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-1 _ 3  _ 7 _  _ _ _
-_ _ 8  _ 5 2  _ 7 _
-
-_ _ 7  1 _ _  _ 5 _
-_ _ 5  _ 4 _  3 _ 7
-_ _ 4  _ 8 _  _ 6 _
-
-_ 8 2  _ _ 7  _ _ _
-_ _ 6  _ _ 4  _ 1 _
-_ 5 _  _ _ 3  _ _ 9
-
-SOLUTION:
-5 7 9  4 6 1  8 2 3
-1 2 3  9 7 8  5 4 6
-6 4 8  3 5 2  9 7 1
-
-2 6 7  1 3 9  4 5 8
-8 1 5  2 4 6  3 9 7
-3 9 4  7 8 5  1 6 2
-
-9 8 2  5 1 7  6 3 4
-7 3 6  8 9 4  2 1 5
-4 5 1  6 2 3  7 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,1,3,null,null,7,null,null,null,null,4,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,0,3,null,null,6,8,null,null,8,null,4,null,null,null,null,4,null,null,null,1,2,5,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,7,3,null,7,null,null,8,2,1,null],"solution":[6,4,5,7,8,1,3,0,2,7,2,3,5,0,4,1,8,6,8,0,1,3,2,6,7,4,5,1,7,2,0,3,5,4,6,8,5,3,8,6,4,7,0,2,1,4,6,0,8,1,2,5,7,3,0,1,6,2,7,3,8,5,4,2,8,4,1,5,0,6,3,7,3,5,7,4,6,8,2,1,0]}
-PUZZLE:
-_ _ _  _ 9 2  4 _ _
-8 _ _  _ _ 5  _ _ _
-_ 1 _  _ _ _  _ _ _
-
-_ _ _  1 4 _  _ 7 9
-_ _ 9  _ 5 _  _ _ _
-5 _ _  _ 2 3  6 _ _
-
-_ _ _  _ _ _  _ 6 _
-_ _ _  _ _ _  _ _ 8
-4 _ 8  _ _ 9  3 2 _
-
-SOLUTION:
-7 5 6  8 9 2  4 1 3
-8 3 4  6 1 5  2 9 7
-9 1 2  4 3 7  8 5 6
-
-2 8 3  1 4 6  5 7 9
-6 4 9  7 5 8  1 3 2
-5 7 1  9 2 3  6 8 4
-
-1 2 7  3 8 4  9 6 5
-3 9 5  2 6 1  7 4 8
-4 6 8  5 7 9  3 2 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,0,null,null,2,null,0,null,null,1,2,7,null,null,null,null,4,null,6,null,null,null,3,null,null,null,null,null,null,null,2,7,null,8,5,null,7,null,null,null,null,1,null,null,null,null,8,null,null,null,null,null,null,2,3,7,6,null,null,null,null,null,4,null,null,null,null,null,0,null,null,6,null,null,null,null,null,null],"solution":[7,6,8,4,0,3,1,2,5,0,3,5,1,2,7,8,4,6,2,4,1,6,5,8,0,3,7,6,1,0,5,3,4,2,7,8,8,5,3,7,6,2,4,0,1,4,2,7,0,8,1,6,5,3,1,0,2,3,7,6,5,8,4,3,8,4,2,1,5,7,6,0,5,7,6,8,4,0,3,1,2]}
-PUZZLE:
-_ _ _  _ 1 _  _ 3 _
-1 _ _  2 3 8  _ _ _
-_ 5 _  7 _ _  _ 4 _
-
-_ _ _  _ _ _  3 8 _
-9 6 _  8 _ _  _ _ 2
-_ _ _  _ 9 _  _ _ _
-
-_ _ 3  4 8 7  _ _ _
-_ _ 5  _ _ _  _ _ 1
-_ _ 7  _ _ _  _ _ _
-
-SOLUTION:
-8 7 9  5 1 4  2 3 6
-1 4 6  2 3 8  9 5 7
-3 5 2  7 6 9  1 4 8
-
-7 2 1  6 4 5  3 8 9
-9 6 4  8 7 3  5 1 2
-5 3 8  1 9 2  7 6 4
-
-2 1 3  4 8 7  6 9 5
-4 9 5  3 2 6  8 7 1
-6 8 7  9 5 1  4 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,4,null,null,null,null,1,null,null,null,0,null,6,null,null,null,7,null,2,null,null,5,null,null,null,null,7,null,1,null,null,8,2,null,null,null,1,2,null,4,null,null,null,null,null,null,null,6,null,null,null,3,null,8,null,null,null,null,6,null,null,3,2,null,5,null,null,null,null,null,null,null,null,null,0,2,1,null,null],"solution":[0,5,3,4,7,8,2,6,1,4,1,8,0,2,6,3,7,5,7,6,2,3,1,5,4,8,0,6,7,5,1,3,0,8,2,4,8,3,1,2,5,4,7,0,6,2,0,4,8,6,7,5,1,3,1,8,0,7,4,3,6,5,2,3,2,6,5,8,1,0,4,7,5,4,7,6,0,2,1,3,8]}
-PUZZLE:
-_ _ 4  5 _ _  _ _ 2
-_ _ _  1 _ 7  _ _ _
-8 _ 3  _ _ 6  _ _ _
-
-_ 8 _  2 _ _  9 3 _
-_ _ 2  3 _ 5  _ _ _
-_ _ _  _ 7 _  _ _ 4
-
-_ 9 _  _ _ _  7 _ _
-4 3 _  6 _ _  _ _ _
-_ _ _  _ 1 3  2 _ _
-
-SOLUTION:
-1 6 4  5 8 9  3 7 2
-5 2 9  1 3 7  4 8 6
-8 7 3  4 2 6  5 9 1
-
-7 8 6  2 4 1  9 3 5
-9 4 2  3 6 5  8 1 7
-3 1 5  9 7 8  6 2 4
-
-2 9 1  8 5 4  7 6 3
-4 3 7  6 9 2  1 5 8
-6 5 8  7 1 3  2 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,6,2,null,null,null,null,null,4,null,null,null,null,6,0,null,null,null,null,5,1,null,null,7,null,null,null,null,8,null,1,null,null,5,null,null,null,null,6,null,null,null,2,null,8,7,null,null,5,null,null,3,0,null,null,2,null,6,null,1,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,3],"solution":[7,3,0,4,6,2,8,1,5,1,5,4,3,7,8,2,6,0,6,8,2,0,5,1,3,4,7,0,7,6,2,8,5,1,3,4,5,4,3,1,0,6,7,2,8,2,1,8,7,4,3,5,0,6,3,0,7,5,2,4,6,8,1,4,6,1,8,3,7,0,5,2,8,2,5,6,1,0,4,7,3]}
-PUZZLE:
-_ 4 _  _ 7 3  _ _ _
-_ _ 5  _ _ _  _ 7 1
-_ _ _  _ 6 2  _ _ 8
-
-_ _ _  _ 9 _  2 _ _
-6 _ _  _ _ 7  _ _ _
-3 _ 9  8 _ _  6 _ _
-
-4 1 _  _ 3 _  7 _ 2
-_ _ _  9 _ _  _ _ _
-_ _ _  _ _ _  _ _ 4
-
-SOLUTION:
-8 4 1  5 7 3  9 2 6
-2 6 5  4 8 9  3 7 1
-7 9 3  1 6 2  4 5 8
-
-1 8 7  3 9 6  2 4 5
-6 5 4  2 1 7  8 3 9
-3 2 9  8 5 4  6 1 7
-
-4 1 8  6 3 5  7 9 2
-5 7 2  9 4 8  1 6 3
-9 3 6  7 2 1  5 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,4,null,7,0,null,null,2,null,null,null,1,null,null,3,null,8,null,null,null,7,null,null,4,null,null,1,null,0,null,null,5,null,8,null,null,null,1,null,null,3,null,null,null,5,8,null,null,null,null,null,7,6,null,null,null,null,6,7,5,null,null,null,null,null,null,0,null,null,null,null,2],"solution":[2,3,5,4,8,6,0,1,7,6,4,8,7,0,1,5,2,3,0,7,1,5,2,3,6,8,4,5,8,7,2,6,4,3,0,1,3,0,2,1,5,7,8,4,6,4,1,6,8,3,0,2,7,5,8,5,4,3,1,2,7,6,0,1,2,0,6,7,5,4,3,8,7,6,3,0,4,8,1,5,2]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 5 _  8 1 _  _ 3 _
-_ _ 2  _ _ 4  _ 9 _
-
-_ _ 8  _ _ 5  _ _ 2
-_ 1 _  _ 6 _  9 _ _
-_ 2 _  _ 4 _  _ _ 6
-
-9 _ _  _ _ _  8 7 _
-_ _ _  7 8 6  _ _ _
-_ _ _  1 _ _  _ _ 3
-
-SOLUTION:
-3 4 6  5 9 7  1 2 8
-7 5 9  8 1 2  6 3 4
-1 8 2  6 3 4  7 9 5
-
-6 9 8  3 7 5  4 1 2
-4 1 3  2 6 8  9 5 7
-5 2 7  9 4 1  3 8 6
-
-9 6 5  4 2 3  8 7 1
-2 3 1  7 8 6  5 4 9
-8 7 4  1 5 9  2 6 3
-
-RATING: 2
-DATA:
-{"puzzle":[7,null,null,null,null,5,null,1,null,5,8,null,null,2,null,null,null,7,null,null,6,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,1,3,null,8,4,null,null,null,null,null,1,null,4,null,null,6,null,null,null,0,null,null,null,3,null,2,null,null,null,8,null,null,7,null,null,null,0,null,null,7,5,null,4],"solution":[7,0,4,8,3,5,6,1,2,5,8,3,6,2,1,0,4,7,1,2,6,7,4,0,8,5,3,3,4,8,5,6,2,7,0,1,6,7,1,3,0,8,4,2,5,0,5,2,1,7,4,3,8,6,4,1,7,0,5,6,2,3,8,2,6,5,4,8,3,1,7,0,8,3,0,2,1,7,5,6,4]}
-PUZZLE:
-8 _ _  _ _ 6  _ 2 _
-6 9 _  _ 3 _  _ _ 8
-_ _ 7  _ _ _  _ _ _
-
-4 _ _  _ _ _  _ _ _
-_ _ 2  4 _ 9  5 _ _
-_ _ _  2 _ 5  _ _ 7
-
-_ _ _  1 _ _  _ 4 _
-3 _ _  _ 9 _  _ 8 _
-_ _ 1  _ _ 8  6 _ 5
-
-SOLUTION:
-8 1 5  9 4 6  7 2 3
-6 9 4  7 3 2  1 5 8
-2 3 7  8 5 1  9 6 4
-
-4 5 9  6 7 3  8 1 2
-7 8 2  4 1 9  5 3 6
-1 6 3  2 8 5  4 9 7
-
-5 2 8  1 6 7  3 4 9
-3 7 6  5 9 4  2 8 1
-9 4 1  3 2 8  6 7 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,null,null,2,null,3,1,null,null,4,null,8,null,null,null,6,null,null,null,null,null,8,null,null,null,7,null,null,null,0,null,null,null,null,4,null,null,6,2,null,4,null,2,null,null,5,null,3,5,null,null,null,null,null,null,0,null,null,null,null,null,null,null,8,null,null,0,null,1,null,3,6,null,null,4],"solution":[1,0,8,7,2,4,6,3,5,2,6,3,1,5,0,4,7,8,4,5,7,6,8,3,0,2,1,8,2,6,3,7,5,1,4,0,3,1,5,0,4,8,7,6,2,7,4,0,2,6,1,5,8,3,5,8,2,4,1,7,3,0,6,6,3,4,5,0,2,8,1,7,0,7,1,8,3,6,2,5,4]}
-PUZZLE:
-_ _ _  8 _ _  _ _ _
-3 _ 4  2 _ _  5 _ 9
-_ _ _  7 _ _  _ _ _
-
-9 _ _  _ 8 _  _ _ 1
-_ _ _  _ 5 _  _ 7 3
-_ 5 _  3 _ _  6 _ 4
-
-6 _ _  _ _ _  _ 1 _
-_ _ _  _ _ _  9 _ _
-1 _ 2  _ 4 7  _ _ 5
-
-SOLUTION:
-2 1 9  8 3 5  7 4 6
-3 7 4  2 6 1  5 8 9
-5 6 8  7 9 4  1 3 2
-
-9 3 7  4 8 6  2 5 1
-4 2 6  1 5 9  8 7 3
-8 5 1  3 7 2  6 9 4
-
-6 9 3  5 2 8  4 1 7
-7 4 5  6 1 3  9 2 8
-1 8 2  9 4 7  3 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,null,null,null,2,null,null,null,null,null,null,null,null,null,4,null,2,3,null,4,null,1,null,null,1,4,null,5,null,null,0,null,null,5,null,7,null,null,2,6,null,null,null,null,2,7,null,1,4,null,null,null,null,null,2,null,null,3,null,7,null,1,6,0,null,null,null,null,null,null,null,0,null,null,null,null,null,null],"solution":[4,0,1,6,3,7,5,2,8,6,8,5,1,2,0,7,3,4,7,2,3,8,4,5,1,6,0,1,4,8,5,6,3,0,7,2,5,3,7,4,0,2,6,8,1,0,6,2,7,8,1,4,5,3,8,5,4,2,1,6,3,0,7,3,1,6,0,7,8,2,4,5,2,7,0,3,5,4,8,1,6]}
-PUZZLE:
-_ _ _  7 _ _  _ 3 _
-_ _ _  _ _ _  _ _ 5
-_ 3 4  _ 5 _  2 _ _
-
-2 5 _  6 _ _  1 _ _
-6 _ 8  _ _ 3  7 _ _
-_ _ 3  8 _ 2  5 _ _
-
-_ _ _  3 _ _  4 _ 8
-_ 2 7  1 _ _  _ _ _
-_ _ 1  _ _ _  _ _ _
-
-SOLUTION:
-5 1 2  7 4 8  6 3 9
-7 9 6  2 3 1  8 4 5
-8 3 4  9 5 6  2 7 1
-
-2 5 9  6 7 4  1 8 3
-6 4 8  5 1 3  7 9 2
-1 7 3  8 9 2  5 6 4
-
-9 6 5  3 2 7  4 1 8
-4 2 7  1 8 9  3 5 6
-3 8 1  4 6 5  9 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,6,null,0,2,3,null,null,null,null,5,null,null,null,null,4,null,8,null,null,null,6,null,null,null,3,7,null,null,null,null,null,1,null,0,null,null,null,null,null,null,null,null,null,2,6,0,null,null,4,7,2,8,null,null,null,null,null,null,6,null,4,3,null,null,7,3,5,null,null,null,null,null,null,null],"solution":[4,1,8,3,5,0,7,6,2,0,2,3,7,6,1,4,5,8,7,6,5,4,2,8,3,1,0,6,8,0,5,3,7,2,4,1,2,3,1,6,0,4,8,7,5,5,7,4,8,1,2,6,0,3,1,4,7,2,8,5,0,3,6,8,0,6,1,4,3,5,2,7,3,5,2,0,7,6,1,8,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 7 _
-1 3 4  _ _ _  _ 6 _
-_ _ _  5 _ 9  _ _ _
-
-7 _ _  _ 4 8  _ _ _
-_ _ 2  _ 1 _  _ _ _
-_ _ _  _ _ 3  7 1 _
-
-_ 5 8  3 9 _  _ _ _
-_ _ 7  _ 5 4  _ _ 8
-4 6 _  _ _ _  _ _ _
-
-SOLUTION:
-5 2 9  4 6 1  8 7 3
-1 3 4  8 7 2  5 6 9
-8 7 6  5 3 9  4 2 1
-
-7 9 1  6 4 8  3 5 2
-3 4 2  7 1 5  9 8 6
-6 8 5  9 2 3  7 1 4
-
-2 5 8  3 9 6  1 4 7
-9 1 7  2 5 4  6 3 8
-4 6 3  1 8 7  2 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,null,2,null,6,null,null,8,1,null,6,null,3,null,7,null,null,null,null,null,null,2,null,null,null,null,null,null,2,null,8,3,1,null,null,null,4,null,null,null,null,null,null,0,7,null,null,5,null,null,2,null,6,3,null,5,null,null,null,0,null,7,null,3,0,null,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[4,3,0,1,7,2,5,6,8,2,8,1,5,6,4,3,0,7,7,5,6,0,8,3,2,1,4,6,4,5,7,2,0,8,3,1,8,1,2,4,3,6,0,7,5,3,0,7,8,1,5,6,4,2,1,6,3,2,5,7,4,8,0,5,7,4,3,0,8,1,2,6,0,2,8,6,4,1,7,5,3]}
-PUZZLE:
-5 _ _  _ _ 3  _ 7 _
-_ 9 2  _ 7 _  4 _ 8
-_ _ _  _ _ _  3 _ _
-
-_ _ _  _ 3 _  9 4 2
-_ _ _  5 _ _  _ _ _
-_ 1 8  _ _ 6  _ _ 3
-
-_ 7 4  _ 6 _  _ _ 1
-_ 8 _  4 1 _  _ _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-5 4 1  2 8 3  6 7 9
-3 9 2  6 7 5  4 1 8
-8 6 7  1 9 4  3 2 5
-
-7 5 6  8 3 1  9 4 2
-9 2 3  5 4 7  1 8 6
-4 1 8  9 2 6  7 5 3
-
-2 7 4  3 6 8  5 9 1
-6 8 5  4 1 9  2 3 7
-1 3 9  7 5 2  8 6 4
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,3,0,null,4,null,null,5,7,null,null,4,null,null,null,null,8,4,null,null,null,null,null,7,3,null,null,null,null,null,null,null,5,null,null,6,7,8,null,null,null,null,4,null,null,null,2,null,null,null,6,null,null,null,1,4,2,null,null,null,null,7,null,5,null,null,null,null,null,1,null,null,null,0,null,null,null,null,null],"solution":[1,2,6,3,0,7,4,8,5,5,7,3,1,4,8,6,2,0,8,4,0,5,6,2,1,7,3,0,1,4,7,3,6,8,5,2,2,6,7,8,5,0,3,1,4,3,5,8,2,1,4,0,6,7,6,3,1,4,2,5,7,0,8,7,0,5,6,8,3,2,4,1,4,8,2,0,7,1,5,3,6]}
-PUZZLE:
-2 _ _  4 1 _  5 _ _
-6 8 _  _ 5 _  _ _ _
-9 5 _  _ _ _  _ 8 4
-
-_ _ _  _ _ _  _ 6 _
-_ 7 8  9 _ _  _ _ 5
-_ _ _  3 _ _  _ 7 _
-
-_ _ 2  5 3 _  _ _ _
-8 _ 6  _ _ _  _ _ 2
-_ _ _  1 _ _  _ _ _
-
-SOLUTION:
-2 3 7  4 1 8  5 9 6
-6 8 4  2 5 9  7 3 1
-9 5 1  6 7 3  2 8 4
-
-1 2 5  8 4 7  9 6 3
-3 7 8  9 6 1  4 2 5
-4 6 9  3 2 5  1 7 8
-
-7 4 2  5 3 6  8 1 9
-8 1 6  7 9 4  3 5 2
-5 9 3  1 8 2  6 4 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,2,null,3,0,null,null,null,null,7,1,null,8,null,6,null,5,null,null,null,null,null,null,null,null,null,3,0,6,null,2,8,null,null,7,null,null,null,null,null,null,null,4,null,4,null,null,3,null,null,null,null,null,null,null,null,null,4,3,1,null,0,2,null,5,6,null,null,null,null,null,7,null,null,null,null,null,null,null],"solution":[6,1,4,2,7,3,0,8,5,3,0,7,1,5,8,4,6,2,5,8,2,4,0,6,1,7,3,1,3,0,6,4,2,8,5,7,7,6,8,0,1,5,2,3,4,2,4,5,8,3,7,6,0,1,8,5,6,7,2,4,3,1,0,0,2,3,5,6,1,7,4,8,4,7,1,3,8,0,5,2,6]}
-PUZZLE:
-_ _ _  3 _ 4  1 _ _
-_ _ 8  2 _ 9  _ 7 _
-6 _ _  _ _ _  _ _ _
-
-_ 4 1  7 _ 3  9 _ _
-8 _ _  _ _ _  _ _ 5
-_ 5 _  _ 4 _  _ _ _
-
-_ _ _  _ _ 5  4 2 _
-1 3 _  6 7 _  _ _ _
-_ 8 _  _ _ _  _ _ _
-
-SOLUTION:
-7 2 5  3 8 4  1 9 6
-4 1 8  2 6 9  5 7 3
-6 9 3  5 1 7  2 8 4
-
-2 4 1  7 5 3  9 6 8
-8 7 9  1 2 6  3 4 5
-3 5 6  9 4 8  7 1 2
-
-9 6 7  8 3 5  4 2 1
-1 3 4  6 7 2  8 5 9
-5 8 2  4 9 1  6 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,0,7,null,null,5,null,null,null,null,null,null,null,6,null,0,null,null,null,3,null,8,null,null,null,null,null,null,8,null,null,null,0,2,4,0,null,null,null,null,null,null,null,null,null,null,5,null,null,4,null,7,3,null,null,null,null,null,null,4,null,null,null,null,null,6,5,2,null,null,7,null,3,null,0,null,null,null,8,null],"solution":[6,2,0,7,3,1,5,4,8,4,8,7,5,2,6,3,0,1,1,5,3,4,8,0,7,6,2,3,7,8,1,6,5,0,2,4,0,4,6,2,7,3,8,1,5,2,1,5,8,0,4,6,7,3,7,6,2,3,1,8,4,5,0,8,0,4,6,5,2,1,3,7,5,3,1,0,4,7,2,8,6]}
-PUZZLE:
-_ 3 1  8 _ _  6 _ _
-_ _ _  _ _ 7  _ 1 _
-_ _ 4  _ 9 _  _ _ _
-
-_ _ 9  _ _ _  1 3 5
-1 _ _  _ _ _  _ _ _
-_ _ 6  _ _ 5  _ 8 4
-
-_ _ _  _ _ _  5 _ _
-_ _ _  7 6 3  _ _ 8
-_ 4 _  1 _ _  _ 9 _
-
-SOLUTION:
-7 3 1  8 4 2  6 5 9
-5 9 8  6 3 7  4 1 2
-2 6 4  5 9 1  8 7 3
-
-4 8 9  2 7 6  1 3 5
-1 5 7  3 8 4  9 2 6
-3 2 6  9 1 5  7 8 4
-
-8 7 3  4 2 9  5 6 1
-9 1 5  7 6 3  2 4 8
-6 4 2  1 5 8  3 9 7
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,null,null,1,null,null,null,6,4,7,null,null,null,null,null,1,5,null,null,null,null,null,7,null,null,0,null,null,null,null,3,null,null,7,null,null,null,6,1,0,null,null,null,null,null,4,3,null,null,null,null,8,null,5,null,1,null,2,8,null,null,null,null,0,null,3,null,null,null,null,null,null,null,null,null,5,null,3,null,null],"solution":[3,5,8,2,1,0,7,4,6,4,7,0,6,8,3,2,1,5,1,6,2,5,4,7,8,3,0,0,1,5,8,3,2,6,7,4,7,8,6,1,0,4,5,2,3,2,4,3,7,6,5,0,8,1,5,3,1,0,2,8,4,6,7,8,0,4,3,7,6,1,5,2,6,2,7,4,5,1,3,0,8]}
-PUZZLE:
-_ _ _  _ 2 _  _ _ 7
-5 8 _  _ _ _  _ 2 6
-_ _ _  _ _ 8  _ _ 1
-
-_ _ _  _ 4 _  _ 8 _
-_ _ 7  2 1 _  _ _ _
-_ 5 4  _ _ _  _ 9 _
-
-6 _ 2  _ 3 9  _ _ _
-_ 1 _  4 _ _  _ _ _
-_ _ _  _ 6 _  4 _ _
-
-SOLUTION:
-4 6 9  3 2 1  8 5 7
-5 8 1  7 9 4  3 2 6
-2 7 3  6 5 8  9 4 1
-
-1 2 6  9 4 3  7 8 5
-8 9 7  2 1 5  6 3 4
-3 5 4  8 7 6  1 9 2
-
-6 4 2  1 3 9  5 7 8
-9 1 5  4 8 7  2 6 3
-7 3 8  5 6 2  4 1 9
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,7,null,3,null,null,null,null,null,null,null,null,0,1,4,null,6,null,null,null,8,null,null,7,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,2,4,3,null,null,null,4,0,null,null,8,6,null,null,null,null,null,2,null,null,null,null,null,0,null,null,5,null,null,null,null,null,6,8,3,null,5,null,null,null,4,null],"solution":[6,7,4,3,2,8,0,1,5,2,5,3,0,1,4,7,6,8,0,1,8,6,5,7,4,2,3,3,2,6,1,0,5,8,7,4,5,8,7,2,4,3,6,0,1,4,0,1,7,8,6,3,5,2,7,6,2,4,3,1,5,8,0,1,4,5,8,7,0,2,3,6,8,3,0,5,6,2,1,4,7]}
-PUZZLE:
-_ 8 _  4 _ _  _ _ _
-_ _ _  1 2 5  _ 7 _
-_ _ 9  _ _ 8  _ 3 _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  3 5 4  _ _ _
-5 1 _  _ 9 7  _ _ _
-
-_ _ 3  _ _ _  _ _ 1
-_ _ 6  _ _ _  _ _ 7
-9 4 _  6 _ _  _ 5 _
-
-SOLUTION:
-7 8 5  4 3 9  1 2 6
-3 6 4  1 2 5  8 7 9
-1 2 9  7 6 8  5 3 4
-
-4 3 7  2 1 6  9 8 5
-6 9 8  3 5 4  7 1 2
-5 1 2  8 9 7  4 6 3
-
-8 7 3  5 4 2  6 9 1
-2 5 6  9 8 1  3 4 7
-9 4 1  6 7 3  2 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,5,2,null,null,null,6,null,null,null,null,null,null,null,5,null,null,7,null,null,0,1,4,null,null,3,null,null,null,null,null,null,null,null,null,8,null,2,3,null,6,null,null,null,null,2,null,null,5,3,null,5,null,null,8,null,null,2,1,null,2,null,null,6,3,null,null,null,0,null,null,null,null,7,null,null],"solution":[7,4,1,8,6,0,5,2,3,0,3,6,1,2,5,8,4,7,2,5,8,4,7,3,6,0,1,4,2,0,3,5,7,1,6,8,5,1,7,6,8,4,2,3,0,6,8,3,0,1,2,4,7,5,3,6,5,7,4,8,0,1,2,1,7,2,5,0,6,3,8,4,8,0,4,2,3,1,7,5,6]}
-PUZZLE:
-_ _ _  _ _ _  6 3 _
-_ _ 7  _ _ _  _ _ _
-_ 6 _  _ 8 _  _ 1 2
-
-5 _ _  4 _ _  _ _ _
-_ _ _  _ 9 _  3 4 _
-7 _ _  _ _ 3  _ _ 6
-
-4 _ 6  _ _ 9  _ _ 3
-2 _ 3  _ _ 7  4 _ _
-_ 1 _  _ _ _  8 _ _
-
-SOLUTION:
-8 5 2  9 7 1  6 3 4
-1 4 7  2 3 6  9 5 8
-3 6 9  5 8 4  7 1 2
-
-5 3 1  4 6 8  2 7 9
-6 2 8  7 9 5  3 4 1
-7 9 4  1 2 3  5 8 6
-
-4 7 6  8 5 9  1 2 3
-2 8 3  6 1 7  4 9 5
-9 1 5  3 4 2  8 6 7
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,5,null,null,null,null,1,null,null,null,null,null,null,null,null,6,null,null,null,null,4,null,0,3,null,null,null,2,3,6,null,null,4,null,8,null,7,2,null,4,6,null,null,1,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,7,null,null,6,8,null,null,null,2,null,5,null,null,null,0,null,null,null,null],"solution":[6,8,0,5,2,3,4,7,1,3,4,5,7,1,0,2,8,6,7,2,1,6,4,8,0,3,5,0,5,2,3,6,1,7,4,8,8,3,7,2,5,4,6,1,0,1,6,4,0,8,7,3,5,2,2,1,8,4,3,6,5,0,7,4,0,6,8,7,5,1,2,3,5,7,3,1,0,2,8,6,4]}
-PUZZLE:
-_ _ _  6 _ _  _ _ 2
-_ _ _  _ _ _  _ _ 7
-_ _ _  _ 5 _  1 4 _
-
-_ _ 3  4 7 _  _ 5 _
-9 _ 8  3 _ 5  7 _ _
-2 _ _  _ _ 8  _ _ _
-
-_ _ _  _ _ _  _ _ 8
-_ _ 7  9 _ _  _ 3 _
-6 _ _  _ 1 _  _ _ _
-
-SOLUTION:
-7 9 1  6 3 4  5 8 2
-4 5 6  8 2 1  3 9 7
-8 3 2  7 5 9  1 4 6
-
-1 6 3  4 7 2  8 5 9
-9 4 8  3 6 5  7 2 1
-2 7 5  1 9 8  4 6 3
-
-3 2 9  5 4 7  6 1 8
-5 1 7  9 8 6  2 3 4
-6 8 4  2 1 3  9 7 5
-
-RATING: 4.25
-DATA:
-{"puzzle":[2,8,null,null,null,4,null,7,1,null,null,4,null,null,null,0,null,null,null,null,6,null,null,null,null,2,null,null,null,0,2,null,null,null,null,5,3,null,null,null,null,null,1,null,7,null,null,null,0,null,3,null,null,4,null,null,null,8,null,1,null,null,null,4,null,2,null,null,6,null,null,null,null,5,null,null,null,null,null,6,null],"solution":[2,8,5,6,0,4,3,7,1,7,3,4,1,8,2,0,5,6,0,1,6,5,3,7,4,2,8,1,4,0,2,7,8,6,3,5,3,2,8,4,6,5,1,0,7,5,6,7,0,1,3,2,8,4,6,7,3,8,2,1,5,4,0,4,0,2,7,5,6,8,1,3,8,5,1,3,4,0,7,6,2]}
-PUZZLE:
-3 9 _  _ _ 5  _ 8 2
-_ _ 5  _ _ _  1 _ _
-_ _ 7  _ _ _  _ 3 _
-
-_ _ 1  3 _ _  _ _ 6
-4 _ _  _ _ _  2 _ 8
-_ _ _  1 _ 4  _ _ 5
-
-_ _ _  9 _ 2  _ _ _
-5 _ 3  _ _ 7  _ _ _
-_ 6 _  _ _ _  _ 7 _
-
-SOLUTION:
-3 9 6  7 1 5  4 8 2
-8 4 5  2 9 3  1 6 7
-1 2 7  6 4 8  5 3 9
-
-2 5 1  3 8 9  7 4 6
-4 3 9  5 7 6  2 1 8
-6 7 8  1 2 4  3 9 5
-
-7 8 4  9 3 2  6 5 1
-5 1 3  8 6 7  9 2 4
-9 6 2  4 5 1  8 7 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,3,0,null,null,null,null,null,4,5,2,null,null,null,null,null,null,1,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,8,7,null,null,6,null,null,null,4,null,null,2,null,5,null,null,null,7,6,8,null,2,null,null,2,null,null,null,null,1,3,7,null,5,null,null,null,null,null,6,null,null],"solution":[7,2,6,3,0,5,4,8,1,0,4,5,2,1,8,7,3,6,3,1,8,4,6,7,5,2,0,8,7,3,0,5,6,1,4,2,1,5,2,8,7,4,0,6,3,6,0,4,1,3,2,8,5,7,4,3,7,6,8,0,2,1,5,2,6,0,5,4,1,3,7,8,5,8,1,7,2,3,6,0,4]}
-PUZZLE:
-_ 3 _  4 1 _  _ _ _
-_ 5 6  3 _ _  _ _ _
-_ 2 9  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ 3
-_ _ _  9 8 _  _ 7 _
-_ _ 5  _ _ 3  _ 6 _
-
-_ _ 8  7 9 _  3 _ _
-3 _ _  _ _ 2  4 8 _
-6 _ _  _ _ _  7 _ _
-
-SOLUTION:
-8 3 7  4 1 6  5 9 2
-1 5 6  3 2 9  8 4 7
-4 2 9  5 7 8  6 3 1
-
-9 8 4  1 6 7  2 5 3
-2 6 3  9 8 5  1 7 4
-7 1 5  2 4 3  9 6 8
-
-5 4 8  7 9 1  3 2 6
-3 7 1  6 5 2  4 8 9
-6 9 2  8 3 4  7 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,null,1,null,null,6,null,null,8,null,null,null,null,null,null,null,null,null,null,7,null,4,8,null,null,null,2,3,null,null,6,null,null,null,null,null,6,null,null,null,null,3,null,null,null,null,null,null,2,null,0,null,1,null,null,null,5,null,null,4,null,null,null,null,6,3,8,null,null,5,null,null,null,2,null,null,0,null,null,3],"solution":[5,2,4,1,3,7,6,8,0,8,0,3,2,5,6,7,1,4,6,1,7,0,4,8,2,3,5,2,3,0,7,6,1,5,4,8,1,6,8,4,0,5,3,2,7,7,4,5,8,2,3,0,6,1,3,8,1,5,7,2,4,0,6,0,7,6,3,8,4,1,5,2,4,5,2,6,1,0,8,7,3]}
-PUZZLE:
-6 _ _  2 _ _  7 _ _
-9 _ _  _ _ _  _ _ _
-_ _ 8  _ 5 9  _ _ _
-
-3 4 _  _ 7 _  _ _ _
-_ 7 _  _ _ _  4 _ _
-_ _ _  _ 3 _  1 _ 2
-
-_ _ _  6 _ _  5 _ _
-_ _ 7  4 9 _  _ 6 _
-_ _ 3  _ _ 1  _ _ 4
-
-SOLUTION:
-6 3 5  2 4 8  7 9 1
-9 1 4  3 6 7  8 2 5
-7 2 8  1 5 9  3 4 6
-
-3 4 1  8 7 2  6 5 9
-2 7 9  5 1 6  4 3 8
-8 5 6  9 3 4  1 7 2
-
-4 9 2  6 8 3  5 1 7
-1 8 7  4 9 5  2 6 3
-5 6 3  7 2 1  9 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,null,null,null,null,null,6,null,null,null,null,null,null,null,1,1,2,5,null,null,null,7,null,4,null,null,null,2,5,null,null,null,8,null,null,3,null,null,6,null,5,null,null,null,7,null,4,0,null,6,3,null,0,null,null,null,4,null,null,null,null,null,6,8,null,7,null,null,null,null,null,2,null,null,null,5,null,null],"solution":[3,7,0,4,1,2,6,8,5,6,4,8,0,7,5,3,2,1,1,2,5,3,6,8,7,0,4,0,6,4,2,5,3,1,7,8,2,1,3,7,8,6,4,5,0,5,8,7,1,4,0,2,6,3,7,0,1,5,2,4,8,3,6,4,5,6,8,3,7,0,1,2,8,3,2,6,0,1,5,4,7]}
-PUZZLE:
-_ _ 1  _ _ _  _ _ _
-7 _ _  _ _ _  _ _ 2
-2 3 6  _ _ _  8 _ 5
-
-_ _ _  3 6 _  _ _ 9
-_ _ 4  _ _ 7  _ 6 _
-_ _ 8  _ 5 1  _ 7 4
-
-_ 1 _  _ _ 5  _ _ _
-_ _ 7  9 _ 8  _ _ _
-_ _ 3  _ _ _  6 _ _
-
-SOLUTION:
-4 8 1  5 2 3  7 9 6
-7 5 9  1 8 6  4 3 2
-2 3 6  4 7 9  8 1 5
-
-1 7 5  3 6 4  2 8 9
-3 2 4  8 9 7  5 6 1
-6 9 8  2 5 1  3 7 4
-
-8 1 2  6 3 5  9 4 7
-5 6 7  9 4 8  1 2 3
-9 4 3  7 1 2  6 5 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,4,null,null,null,null,null,null,5,6,null,null,6,null,null,null,8,null,1,null,null,null,1,null,null,null,null,null,null,null,null,null,null,2,7,null,null,5,3,null,null,5,3,null,null,0,null,null,null,5,2,null,null,3,null,7,null,null,7,null,null,null,null,null,6,null,null,null,1,null,2,null,3,null,null],"solution":[5,2,8,1,3,6,7,4,0,1,3,7,0,4,5,6,2,8,6,0,4,7,8,2,1,3,5,7,1,3,4,5,0,2,8,6,0,8,6,2,7,1,4,5,3,2,4,5,3,6,8,0,1,7,4,5,2,6,0,3,8,7,1,3,7,0,8,1,4,5,6,2,8,6,1,5,2,7,3,0,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 5 _
-_ _ _  _ _ 6  7 _ _
-7 _ _  _ 9 _  2 _ _
-
-_ 2 _  _ _ _  _ _ _
-_ _ _  3 8 _  _ 6 4
-_ _ 6  4 _ _  1 _ _
-
-_ 6 3  _ _ 4  _ 8 _
-_ 8 _  _ _ _  _ 7 _
-_ _ 2  _ 3 _  4 _ _
-
-SOLUTION:
-6 3 9  2 4 7  8 5 1
-2 4 8  1 5 6  7 3 9
-7 1 5  8 9 3  2 4 6
-
-8 2 4  5 6 1  3 9 7
-1 9 7  3 8 2  5 6 4
-3 5 6  4 7 9  1 2 8
-
-5 6 3  7 1 4  9 8 2
-4 8 1  9 2 5  6 7 3
-9 7 2  6 3 8  4 1 5
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,3,null,8,null,2,4,null,null,4,null,7,5,null,null,null,null,null,null,null,null,null,null,1,2,null,null,6,null,5,1,null,null,null,null,null,null,null,4,null,null,null,7,null,null,null,null,null,null,3,null,null,8,0,null,null,null,4,8,null,null,null,null,null,null,null,null,null,null,null,null,3,8,null,2,null,null,3,null,null,5],"solution":[1,3,0,8,7,2,4,5,6,4,2,7,5,6,0,1,3,8,5,6,8,3,4,1,2,0,7,6,8,5,1,0,7,3,2,4,3,0,4,2,5,8,7,6,1,2,7,1,6,3,4,5,8,0,7,5,3,4,8,6,0,1,2,0,1,6,7,2,5,8,4,3,8,4,2,0,1,3,6,7,5]}
-PUZZLE:
-_ 4 _  9 _ 3  5 _ _
-5 _ 8  6 _ _  _ _ _
-_ _ _  _ _ 2  3 _ _
-
-7 _ 6  2 _ _  _ _ _
-_ _ 5  _ _ _  8 _ _
-_ _ _  _ 4 _  _ 9 1
-
-_ _ _  5 9 _  _ _ _
-_ _ _  _ _ _  _ _ 4
-9 _ 3  _ _ 4  _ _ 6
-
-SOLUTION:
-2 4 1  9 8 3  5 6 7
-5 3 8  6 7 1  2 4 9
-6 7 9  4 5 2  3 1 8
-
-7 9 6  2 1 8  4 3 5
-4 1 5  3 6 9  8 7 2
-3 8 2  7 4 5  6 9 1
-
-8 6 4  5 9 7  1 2 3
-1 2 7  8 3 6  9 5 4
-9 5 3  1 2 4  7 8 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,null,null,null,null,4,6,null,null,null,null,null,null,null,null,null,7,null,null,8,null,null,null,2,5,null,8,3,6,0,null,4,null,null,6,null,null,null,7,null,null,null,null,null,null,null,3,null,8,null,null,null,null,null,2,null,null,5,0,null,3,null,1,null,4,null,null,2,null,null,null,null,6,1,null,null,null,null,null],"solution":[1,2,8,0,5,7,3,4,6,3,5,4,2,1,6,7,8,0,7,6,0,8,4,3,1,2,5,2,8,3,6,0,1,4,5,7,6,0,1,5,7,4,8,3,2,4,7,5,3,2,8,6,0,1,8,4,2,7,6,5,0,1,3,5,1,7,4,3,0,2,6,8,0,3,6,1,8,2,5,7,4]}
-PUZZLE:
-_ 3 _  _ _ _  _ 5 7
-_ _ _  _ _ _  _ _ _
-8 _ _  9 _ _  _ 3 6
-
-_ 9 4  7 1 _  5 _ _
-7 _ _  _ 8 _  _ _ _
-_ _ _  4 _ 9  _ _ _
-
-_ _ 3  _ _ 6  1 _ 4
-_ 2 _  5 _ _  3 _ _
-_ _ 7  2 _ _  _ _ _
-
-SOLUTION:
-2 3 9  1 6 8  4 5 7
-4 6 5  3 2 7  8 9 1
-8 7 1  9 5 4  2 3 6
-
-3 9 4  7 1 2  5 6 8
-7 1 2  6 8 5  9 4 3
-5 8 6  4 3 9  7 1 2
-
-9 5 3  8 7 6  1 2 4
-6 2 8  5 4 1  3 7 9
-1 4 7  2 9 3  6 8 5
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,7,null,null,null,0,null,null,null,2,null,null,null,null,null,6,null,null,null,null,5,7,null,3,8,null,null,null,4,null,null,1,null,null,8,5,null,null,null,4,null,null,3,null,null,null,null,null,null,null,null,null,2,null,8,6,null,null,4,null,7,0,null,null,3,0,5,null,null,null,null,null,null,null,8,null,null,null,null,null],"solution":[8,5,7,1,6,3,0,2,4,3,2,1,4,8,0,7,6,5,4,6,0,5,7,2,3,8,1,7,3,4,2,0,1,6,5,8,5,0,2,6,4,8,1,3,7,6,1,8,7,3,5,4,0,2,1,8,6,3,2,4,5,7,0,2,4,3,0,5,7,8,1,6,0,7,5,8,1,6,2,4,3]}
-PUZZLE:
-_ _ 8  _ _ _  1 _ _
-_ 3 _  _ _ _  _ 7 _
-_ _ _  6 8 _  4 9 _
-
-_ _ 5  _ _ 2  _ _ 9
-6 _ _  _ 5 _  _ 4 _
-_ _ _  _ _ _  _ _ 3
-
-_ 9 7  _ _ 5  _ 8 1
-_ _ 4  1 6 _  _ _ _
-_ _ _  9 _ _  _ _ _
-
-SOLUTION:
-9 6 8  2 7 4  1 3 5
-4 3 2  5 9 1  8 7 6
-5 7 1  6 8 3  4 9 2
-
-8 4 5  3 1 2  7 6 9
-6 1 3  7 5 9  2 4 8
-7 2 9  8 4 6  5 1 3
-
-2 9 7  4 3 5  6 8 1
-3 5 4  1 6 8  9 2 7
-1 8 6  9 2 7  3 5 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,8,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,2,7,null,null,null,4,null,1,null,null,null,null,null,null,5,7,6,null,null,null,null,1,null,null,null,null,4,null,5,null,null,null,null,0,8,null,null,6,7,null,null,null,8,null,null,null,null,null,6,0,null,null,5,0,5,null,null,null,2,null,null,4],"solution":[5,4,0,8,2,1,6,3,7,3,6,1,5,4,7,8,2,0,8,2,7,6,0,3,4,5,1,1,0,2,4,3,8,5,7,6,6,7,8,0,1,5,3,4,2,4,3,5,2,7,6,1,0,8,2,1,6,7,5,4,0,8,3,7,8,4,3,6,0,2,1,5,0,5,3,1,8,2,7,6,4]}
-PUZZLE:
-_ _ 1  9 _ _  _ _ _
-_ _ _  _ _ 8  _ _ _
-_ 3 8  _ _ _  5 _ 2
-
-_ _ _  _ _ _  6 8 7
-_ _ _  _ 2 _  _ _ _
-5 _ 6  _ _ _  _ 1 9
-
-_ _ 7  8 _ _  _ 9 _
-_ _ _  _ 7 1  _ _ 6
-1 6 _  _ _ 3  _ _ 5
-
-SOLUTION:
-6 5 1  9 3 2  7 4 8
-4 7 2  6 5 8  9 3 1
-9 3 8  7 1 4  5 6 2
-
-2 1 3  5 4 9  6 8 7
-7 8 9  1 2 6  4 5 3
-5 4 6  3 8 7  2 1 9
-
-3 2 7  8 6 5  1 9 4
-8 9 5  4 7 1  3 2 6
-1 6 4  2 9 3  8 7 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,7,2,null,null,null,null,null,null,5,null,null,3,null,null,7,null,null,8,null,null,null,null,0,2,null,null,null,0,null,null,null,5,null,null,null,null,null,3,null,null,7,null,4,1,null,null,5,null,4,null,null,null,null,6,null,null,null,null,1,3,5,4,null,null,null,7,null,null,null,null,0,null,null,null,null,null,8,null,null,null],"solution":[1,7,2,8,5,6,4,0,3,5,4,0,3,1,2,7,6,8,8,3,6,4,7,0,2,1,5,4,0,8,1,2,5,6,3,7,2,6,3,0,8,7,5,4,1,7,1,5,6,4,3,0,8,2,6,8,7,2,0,1,3,5,4,3,5,1,7,6,4,8,2,0,0,2,4,5,3,8,1,7,6]}
-PUZZLE:
-_ 8 3  _ _ _  _ _ _
-6 _ _  4 _ _  8 _ _
-9 _ _  _ _ 1  3 _ _
-
-_ 1 _  _ _ 6  _ _ _
-_ _ 4  _ _ 8  _ 5 2
-_ _ 6  _ 5 _  _ _ _
-
-7 _ _  _ _ 2  4 6 5
-_ _ _  8 _ _  _ _ 1
-_ _ _  _ _ 9  _ _ _
-
-SOLUTION:
-2 8 3  9 6 7  5 1 4
-6 5 1  4 2 3  8 7 9
-9 4 7  5 8 1  3 2 6
-
-5 1 9  2 3 6  7 4 8
-3 7 4  1 9 8  6 5 2
-8 2 6  7 5 4  1 9 3
-
-7 9 8  3 1 2  4 6 5
-4 6 2  8 7 5  9 3 1
-1 3 5  6 4 9  2 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,null,6,1,null,null,null,null,null,8,3,null,7,null,6,null,5,0,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,3,null,null,null,null,null,1,null,null,0,null,null,7,3,null,null,null,8,null,null,null,null,2,8,null,4,null,2,null,null,4,null,null,null,null,null,null,null,1,null,null,null,3,null,0],"solution":[4,7,3,0,6,1,2,8,5,1,2,8,3,5,7,0,6,4,5,0,6,2,8,4,7,3,1,7,8,2,6,1,5,4,0,3,3,6,5,8,4,0,1,7,2,0,1,4,7,3,2,6,5,8,6,3,0,1,2,8,5,4,7,2,5,7,4,0,3,8,1,6,8,4,1,5,7,6,3,2,0]}
-PUZZLE:
-_ 8 _  _ 7 2  _ _ _
-_ _ 9  4 _ 8  _ 7 _
-6 1 _  _ _ _  _ _ _
-
-_ _ _  7 _ _  _ _ _
-4 _ _  _ _ _  2 _ _
-1 _ _  8 4 _  _ _ 9
-
-_ _ _  _ 3 9  _ 5 _
-3 _ _  5 _ _  _ _ _
-_ _ 2  _ _ _  4 _ 1
-
-SOLUTION:
-5 8 4  1 7 2  3 9 6
-2 3 9  4 6 8  1 7 5
-6 1 7  3 9 5  8 4 2
-
-8 9 3  7 2 6  5 1 4
-4 7 6  9 5 1  2 8 3
-1 2 5  8 4 3  7 6 9
-
-7 4 1  2 3 9  6 5 8
-3 6 8  5 1 4  9 2 7
-9 5 2  6 8 7  4 3 1
-
-RATING: 0
-DATA:
-{"puzzle":[2,4,null,null,null,null,null,null,null,null,null,null,3,null,null,null,4,null,null,null,8,6,null,null,null,2,null,null,0,7,null,null,null,null,null,5,8,null,null,null,null,3,null,null,null,null,null,null,null,null,7,0,null,null,null,null,null,8,null,null,null,1,2,null,null,null,null,null,2,6,3,null,null,7,null,null,6,null,null,null,null],"solution":[2,4,6,1,7,8,5,0,3,7,1,5,3,2,0,8,4,6,0,3,8,6,4,5,1,2,7,4,0,7,2,1,6,3,8,5,8,6,1,5,0,3,2,7,4,5,2,3,4,8,7,0,6,1,6,5,0,8,3,4,7,1,2,1,8,4,7,5,2,6,3,0,3,7,2,0,6,1,4,5,8]}
-PUZZLE:
-3 5 _  _ _ _  _ _ _
-_ _ _  4 _ _  _ 5 _
-_ _ 9  7 _ _  _ 3 _
-
-_ 1 8  _ _ _  _ _ 6
-9 _ _  _ _ 4  _ _ _
-_ _ _  _ _ 8  1 _ _
-
-_ _ _  9 _ _  _ 2 3
-_ _ _  _ _ 3  7 4 _
-_ 8 _  _ 7 _  _ _ _
-
-SOLUTION:
-3 5 7  2 8 9  6 1 4
-8 2 6  4 3 1  9 5 7
-1 4 9  7 5 6  2 3 8
-
-5 1 8  3 2 7  4 9 6
-9 7 2  6 1 4  3 8 5
-6 3 4  5 9 8  1 7 2
-
-7 6 1  9 4 5  8 2 3
-2 9 5  8 6 3  7 4 1
-4 8 3  1 7 2  5 6 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,3,null,0,null,8,6,null,null,null,null,8,null,4,null,null,null,4,8,null,null,7,null,null,null,null,8,null,7,null,null,null,null,2,null,null,6,5,null,null,null,1,null,null,null,null,2,null,1,null,null,null,6,null,null,null,1,null,null,null,null,null,1,4,null,null,null,null,null,null,7,null,0,null,null,null,5,null,null],"solution":[1,5,2,3,4,0,7,8,6,0,6,7,1,8,2,4,3,5,3,4,8,6,5,7,1,2,0,5,8,1,7,3,4,6,0,2,2,7,6,5,0,8,3,1,4,4,0,3,2,6,1,8,5,7,6,2,5,4,1,3,0,7,8,8,1,4,0,7,5,2,6,3,7,3,0,8,2,6,5,4,1]}
-PUZZLE:
-_ 6 _  4 _ 1  _ 9 7
-_ _ _  _ 9 _  5 _ _
-_ 5 9  _ _ 8  _ _ _
-
-_ 9 _  8 _ _  _ _ 3
-_ _ 7  6 _ _  _ 2 _
-_ _ _  3 _ 2  _ _ _
-
-7 _ _  _ 2 _  _ _ _
-_ 2 5  _ _ _  _ _ _
-8 _ 1  _ _ _  6 _ _
-
-SOLUTION:
-2 6 3  4 5 1  8 9 7
-1 7 8  2 9 3  5 4 6
-4 5 9  7 6 8  2 3 1
-
-6 9 2  8 4 5  7 1 3
-3 8 7  6 1 9  4 2 5
-5 1 4  3 7 2  9 6 8
-
-7 3 6  5 2 4  1 8 9
-9 2 5  1 8 6  3 7 4
-8 4 1  9 3 7  6 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,5,2,null,null,null,null,null,4,null,3,null,7,null,null,null,null,null,null,0,null,1,null,null,null,6,null,null,2,null,0,7,null,3,null,3,null,null,null,null,1,6,null,2,null,null,null,null,null,null,null,4,null,null,null,4,null,null,null,2,null,null,null,null,null,null,null,null,null,null,3,8,null,null,null,null,6,7,null,0],"solution":[1,7,5,2,6,8,3,0,4,4,6,3,0,7,5,8,2,1,2,8,0,3,1,4,5,7,6,6,4,2,8,0,7,1,3,5,3,0,7,5,4,1,6,8,2,5,1,8,6,2,3,0,4,7,7,3,4,1,5,0,2,6,8,0,5,6,7,8,2,4,1,3,8,2,1,4,3,6,7,5,0]}
-PUZZLE:
-2 _ 6  3 _ _  _ _ _
-5 _ 4  _ 8 _  _ _ _
-_ _ 1  _ 2 _  _ _ 7
-
-_ _ 3  _ 1 8  _ 4 _
-4 _ _  _ _ 2  7 _ 3
-_ _ _  _ _ _  _ 5 _
-
-_ _ 5  _ _ _  3 _ _
-_ _ _  _ _ _  _ _ 4
-9 _ _  _ _ 7  8 _ 1
-
-SOLUTION:
-2 8 6  3 7 9  4 1 5
-5 7 4  1 8 6  9 3 2
-3 9 1  4 2 5  6 8 7
-
-7 5 3  9 1 8  2 4 6
-4 1 8  6 5 2  7 9 3
-6 2 9  7 3 4  1 5 8
-
-8 4 5  2 6 1  3 7 9
-1 6 7  8 9 3  5 2 4
-9 3 2  5 4 7  8 6 1
-
-RATING: 4
-DATA:
-{"puzzle":[null,null,2,6,null,7,null,null,null,null,null,null,null,null,null,3,4,null,null,null,null,null,null,null,null,null,5,6,null,null,null,null,0,null,null,null,4,null,null,null,null,null,5,8,null,null,null,7,8,1,6,null,0,null,null,null,null,null,2,null,null,null,1,5,null,null,null,null,null,null,null,null,null,1,null,null,7,8,null,null,null],"solution":[3,4,2,6,5,7,0,1,8,8,6,5,2,0,1,3,4,7,1,7,0,4,8,3,6,2,5,6,8,3,5,4,0,1,7,2,4,0,1,7,3,2,5,8,6,2,5,7,8,1,6,4,0,3,7,3,4,0,2,5,8,6,1,5,2,8,1,6,4,7,3,0,0,1,6,3,7,8,2,5,4]}
-PUZZLE:
-_ _ 3  7 _ 8  _ _ _
-_ _ _  _ _ _  4 5 _
-_ _ _  _ _ _  _ _ 6
-
-7 _ _  _ _ 1  _ _ _
-5 _ _  _ _ _  6 9 _
-_ _ 8  9 2 7  _ 1 _
-
-_ _ _  _ 3 _  _ _ 2
-6 _ _  _ _ _  _ _ _
-_ 2 _  _ 8 9  _ _ _
-
-SOLUTION:
-4 5 3  7 6 8  1 2 9
-9 7 6  3 1 2  4 5 8
-2 8 1  5 9 4  7 3 6
-
-7 9 4  6 5 1  2 8 3
-5 1 2  8 4 3  6 9 7
-3 6 8  9 2 7  5 1 4
-
-8 4 5  1 3 6  9 7 2
-6 3 9  2 7 5  8 4 1
-1 2 7  4 8 9  3 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[5,6,null,0,null,null,null,2,null,null,null,null,null,null,6,null,null,null,null,null,7,null,null,3,null,8,1,null,2,3,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,0,null,null,0,null,null,null,null,null,5,null,null,7,1,null,null,null,null,6,2,null,null,null,null,3,null,0,null,null],"solution":[5,6,8,0,1,7,4,2,3,1,3,2,8,4,6,5,7,0,0,4,7,5,2,3,6,8,1,7,2,3,6,0,1,8,4,5,4,8,0,2,7,5,1,3,6,6,1,5,3,8,4,2,0,7,3,0,4,1,6,2,7,5,8,8,7,1,4,5,0,3,6,2,2,5,6,7,3,8,0,1,4]}
-PUZZLE:
-6 7 _  1 _ _  _ 3 _
-_ _ _  _ _ 7  _ _ _
-_ _ 8  _ _ 4  _ 9 2
-
-_ 3 4  _ _ 2  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 9 _  _ 1 _
-
-_ 1 _  _ _ _  _ 6 _
-_ 8 2  _ _ _  _ 7 3
-_ _ _  _ 4 _  1 _ _
-
-SOLUTION:
-6 7 9  1 2 8  5 3 4
-2 4 3  9 5 7  6 8 1
-1 5 8  6 3 4  7 9 2
-
-8 3 4  7 1 2  9 5 6
-5 9 1  3 8 6  2 4 7
-7 2 6  4 9 5  3 1 8
-
-4 1 5  2 7 3  8 6 9
-9 8 2  5 6 1  4 7 3
-3 6 7  8 4 9  1 2 5
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,1,null,2,3,null,null,8,4,3,null,null,null,6,8,null,0,1,null,null,null,7,null,null,null,null,null,0,null,3,null,4,null,null,null,null,null,null,null,null,null,null,4,null,3,null,null,null,null,null,null,6,null,null,null,null,5,null,8,null,null,3,null,null,null,null,null,7,null,null,null,null,1,8,2,null,null,null,null,7,null],"solution":[5,1,6,2,3,0,7,8,4,3,4,7,5,6,8,2,0,1,2,0,8,7,1,4,3,6,5,0,2,3,6,4,1,8,5,7,7,6,1,8,0,5,4,2,3,8,5,4,3,2,7,6,1,0,4,7,5,0,8,6,1,3,2,6,3,0,1,7,2,5,4,8,1,8,2,4,5,3,0,7,6]}
-PUZZLE:
-_ 2 _  3 4 _  _ 9 5
-4 _ _  _ 7 9  _ 1 2
-_ _ _  8 _ _  _ _ _
-
-1 _ 4  _ 5 _  _ _ _
-_ _ _  _ _ _  5 _ 4
-_ _ _  _ _ _  7 _ _
-
-_ _ 6  _ 9 _  _ 4 _
-_ _ _  _ 8 _  _ _ _
-2 9 3  _ _ _  _ 8 _
-
-SOLUTION:
-6 2 7  3 4 1  8 9 5
-4 5 8  6 7 9  3 1 2
-3 1 9  8 2 5  4 7 6
-
-1 3 4  7 5 2  9 6 8
-8 7 2  9 1 6  5 3 4
-9 6 5  4 3 8  7 2 1
-
-5 8 6  1 9 7  2 4 3
-7 4 1  2 8 3  6 5 9
-2 9 3  5 6 4  1 8 7
-
-RATING: 1
-DATA:
-{"puzzle":[null,6,1,3,null,null,null,null,2,null,null,null,8,null,2,null,null,6,null,7,null,null,1,null,null,null,null,null,null,0,null,null,null,null,8,null,null,4,null,null,null,null,null,null,null,6,8,null,2,3,null,1,null,null,0,null,null,null,null,6,null,7,null,null,null,null,1,null,null,null,null,null,null,null,3,null,null,7,null,null,0],"solution":[4,6,1,3,7,0,8,5,2,3,0,5,8,4,2,7,1,6,2,7,8,6,1,5,0,4,3,5,3,0,7,6,1,2,8,4,1,4,2,0,5,8,6,3,7,6,8,7,2,3,4,1,0,5,0,2,4,5,8,6,3,7,1,7,5,6,1,0,3,4,2,8,8,1,3,4,2,7,5,6,0]}
-PUZZLE:
-_ 7 2  4 _ _  _ _ 3
-_ _ _  9 _ 3  _ _ 7
-_ 8 _  _ 2 _  _ _ _
-
-_ _ 1  _ _ _  _ 9 _
-_ 5 _  _ _ _  _ _ _
-7 9 _  3 4 _  2 _ _
-
-1 _ _  _ _ 7  _ 8 _
-_ _ _  2 _ _  _ _ _
-_ _ 4  _ _ 8  _ _ 1
-
-SOLUTION:
-5 7 2  4 8 1  9 6 3
-4 1 6  9 5 3  8 2 7
-3 8 9  7 2 6  1 5 4
-
-6 4 1  8 7 2  3 9 5
-2 5 3  1 6 9  7 4 8
-7 9 8  3 4 5  2 1 6
-
-1 3 5  6 9 7  4 8 2
-8 6 7  2 1 4  5 3 9
-9 2 4  5 3 8  6 7 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,8,7,null,null,4,2,null,null,null,null,null,null,null,null,8,5,null,null,null,null,null,null,6,null,6,7,null,null,3,null,null,null,0,null,1,null,4,null,5,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,2,null,0,3,null,7,null,6,1,null,null,4,5,null,null,null,null,null,null,5,null,null,null],"solution":[6,1,0,5,8,7,3,2,4,2,7,3,0,6,4,1,8,5,8,5,4,3,1,2,7,0,6,5,6,7,8,0,3,2,4,1,0,8,1,2,4,6,5,7,3,4,3,2,7,5,1,8,6,0,1,4,5,6,2,8,0,3,7,7,2,6,1,3,0,4,5,8,3,0,8,4,7,5,6,1,2]}
-PUZZLE:
-_ _ _  _ 9 8  _ _ 5
-3 _ _  _ _ _  _ _ _
-9 6 _  _ _ _  _ _ 7
-
-_ 7 8  _ _ 4  _ _ _
-1 _ 2  _ 5 _  6 _ _
-_ _ _  _ _ _  9 _ _
-
-_ _ _  _ 3 _  1 4 _
-8 _ 7  2 _ _  5 6 _
-_ _ _  _ _ 6  _ _ _
-
-SOLUTION:
-7 2 1  6 9 8  4 3 5
-3 8 4  1 7 5  2 9 6
-9 6 5  4 2 3  8 1 7
-
-6 7 8  9 1 4  3 5 2
-1 9 2  3 5 7  6 8 4
-5 4 3  8 6 2  9 7 1
-
-2 5 6  7 3 9  1 4 8
-8 3 7  2 4 1  5 6 9
-4 1 9  5 8 6  7 2 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,0,null,6,null,null,null,null,null,null,null,null,null,2,6,7,3,7,null,null,null,4,null,null,null,null,null,null,5,null,3,null,0,null,null,null,8,null,null,null,null,null,4,null,2,7,3,null,null,0,null,null,null,null,5,null,7,2,3,null,null,6,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,4,null,5],"solution":[5,2,0,3,6,7,8,1,4,1,4,8,0,5,2,6,7,3,7,3,6,1,4,8,2,5,0,4,6,5,2,3,1,0,8,7,0,8,1,6,7,5,3,4,2,2,7,3,4,8,0,5,6,1,8,5,4,7,2,3,1,0,6,6,0,2,5,1,4,7,3,8,3,1,7,8,0,6,4,2,5]}
-PUZZLE:
-_ _ 1  _ 7 _  _ _ _
-_ _ _  _ _ 3  7 8 4
-8 _ _  _ 5 _  _ _ _
-
-_ _ 6  _ 4 _  1 _ _
-_ 9 _  _ _ _  _ 5 _
-3 8 4  _ _ 1  _ _ _
-
-_ 6 _  8 3 4  _ _ 7
-_ _ _  _ 2 _  _ _ _
-_ _ _  _ _ _  5 _ 6
-
-SOLUTION:
-6 3 1  4 7 8  9 2 5
-2 5 9  1 6 3  7 8 4
-8 4 7  2 5 9  3 6 1
-
-5 7 6  3 4 2  1 9 8
-1 9 2  7 8 6  4 5 3
-3 8 4  5 9 1  6 7 2
-
-9 6 5  8 3 4  2 1 7
-7 1 3  6 2 5  8 4 9
-4 2 8  9 1 7  5 3 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,8,2,0,null,3,null,null,null,4,null,null,null,null,null,8,null,5,null,null,null,null,null,null,2,null,null,5,null,null,null,null,null,null,null,7,null,null,null,4,7,null,null,null,null,null,4,null,null,null,8,null,null,null,6,null,null,null,2,null,null,3,null,null,null,null,1,null,null,null,null,null,null,2,4,8,null,5,null,null,1],"solution":[7,8,2,0,5,3,1,4,6,4,3,6,2,1,7,8,0,5,1,5,0,6,8,4,2,7,3,5,6,1,3,0,2,4,8,7,8,0,3,4,7,1,6,5,2,2,4,7,5,6,8,3,1,0,6,1,8,7,2,0,5,3,4,3,7,5,1,4,6,0,2,8,0,2,4,8,3,5,7,6,1]}
-PUZZLE:
-_ 9 3  1 _ 4  _ _ _
-5 _ _  _ _ _  9 _ 6
-_ _ _  _ _ _  3 _ _
-
-6 _ _  _ _ _  _ _ 8
-_ _ _  5 8 _  _ _ _
-_ 5 _  _ _ 9  _ _ _
-
-7 _ _  _ 3 _  _ 4 _
-_ _ _  2 _ _  _ _ _
-_ 3 5  9 _ 6  _ _ 2
-
-SOLUTION:
-8 9 3  1 6 4  2 5 7
-5 4 7  3 2 8  9 1 6
-2 6 1  7 9 5  3 8 4
-
-6 7 2  4 1 3  5 9 8
-9 1 4  5 8 2  7 6 3
-3 5 8  6 7 9  4 2 1
-
-7 2 9  8 3 1  6 4 5
-4 8 6  2 5 7  1 3 9
-1 3 5  9 4 6  8 7 2
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,0,null,null,null,2,null,null,null,null,null,null,null,6,null,4,null,null,2,null,8,3,null,null,null,1,null,null,null,2,null,8,null,null,null,null,null,null,7,0,null,4,null,null,8,3,6,null,null,null,null,0,null,null,8,1,null,null,null,null,1,5,null,null,null,null,null,null,null,2,null,4,null,7,null],"solution":[4,3,1,8,2,5,7,0,6,8,0,2,7,3,6,1,4,5,5,6,7,4,0,1,2,3,8,3,7,5,6,1,0,4,8,2,1,8,6,3,4,2,0,5,7,0,2,4,5,7,8,3,6,1,2,5,3,0,6,7,8,1,4,7,4,8,1,5,3,6,2,0,6,1,0,2,8,4,5,7,3]}
-PUZZLE:
-_ _ _  _ _ 6  _ 1 _
-_ _ 3  _ _ _  _ _ _
-_ 7 _  5 _ _  3 _ 9
-
-4 _ _  _ 2 _  _ _ 3
-_ 9 _  _ _ _  _ _ 8
-1 _ 5  _ _ 9  4 7 _
-
-_ _ _  1 _ _  9 2 _
-_ _ _  2 6 _  _ _ _
-_ _ _  3 _ 5  _ 8 _
-
-SOLUTION:
-5 4 2  9 3 6  8 1 7
-9 1 3  8 4 7  2 5 6
-6 7 8  5 1 2  3 4 9
-
-4 8 6  7 2 1  5 9 3
-2 9 7  4 5 3  1 6 8
-1 3 5  6 8 9  4 7 2
-
-3 6 4  1 7 8  9 2 5
-8 5 9  2 6 4  7 3 1
-7 2 1  3 9 5  6 8 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,3,null,null,null,null,null,4,null,null,6,null,null,null,null,6,null,0,4,5,8,null,3,null,4,null,null,null,null,7,null,null,7,null,null,2,3,null,null,null,null,null,null,null,null,5,null,null,null,2,8,null,null,null,null,null,null,null,null,null,null,0,null,null,2,4,6,null,0,7,null,null,null,null,null],"solution":[4,1,6,5,7,8,2,3,0,0,8,5,2,4,3,7,6,1,3,7,2,6,1,0,4,5,8,2,3,1,4,5,6,8,0,7,5,0,7,1,8,2,3,4,6,8,6,4,0,3,7,5,1,2,1,2,8,3,6,4,0,7,5,7,5,3,8,0,1,6,2,4,6,4,0,7,2,5,1,8,3]}
-PUZZLE:
-_ 2 _  _ _ _  _ 4 _
-_ _ _  _ 5 _  _ 7 _
-_ _ _  7 _ 1  5 6 9
-
-_ 4 _  5 _ _  _ _ 8
-_ _ 8  _ _ 3  4 _ _
-_ _ _  _ _ _  6 _ _
-
-_ 3 9  _ _ _  _ _ _
-_ _ _  _ 1 _  _ 3 5
-7 _ 1  8 _ _  _ _ _
-
-SOLUTION:
-5 2 7  6 8 9  3 4 1
-1 9 6  3 5 4  8 7 2
-4 8 3  7 2 1  5 6 9
-
-3 4 2  5 6 7  9 1 8
-6 1 8  2 9 3  4 5 7
-9 7 5  1 4 8  6 2 3
-
-2 3 9  4 7 5  1 8 6
-8 6 4  9 1 2  7 3 5
-7 5 1  8 3 6  2 9 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[3,5,null,null,null,null,null,null,null,null,2,1,null,null,null,null,4,3,null,0,null,null,null,7,null,null,null,null,null,null,null,7,3,null,null,0,1,null,8,4,null,2,null,null,6,null,null,0,6,null,null,null,null,null,null,null,5,7,null,4,null,3,null,null,null,null,2,null,null,null,null,null,null,null,null,null,5,null,4,6,2],"solution":[3,5,7,1,4,6,2,0,8,6,2,1,0,8,5,7,4,3,8,0,4,3,2,7,6,1,5,4,6,2,5,7,3,1,8,0,1,3,8,4,0,2,5,7,6,5,7,0,6,1,8,3,2,4,2,8,5,7,6,4,0,3,1,0,4,6,2,3,1,8,5,7,7,1,3,8,5,0,4,6,2]}
-PUZZLE:
-4 6 _  _ _ _  _ _ _
-_ 3 2  _ _ _  _ 5 4
-_ 1 _  _ _ 8  _ _ _
-
-_ _ _  _ 8 4  _ _ 1
-2 _ 9  5 _ 3  _ _ 7
-_ _ 1  7 _ _  _ _ _
-
-_ _ 6  8 _ 5  _ 4 _
-_ _ _  3 _ _  _ _ _
-_ _ _  _ 6 _  5 7 3
-
-SOLUTION:
-4 6 8  2 5 7  3 1 9
-7 3 2  1 9 6  8 5 4
-9 1 5  4 3 8  7 2 6
-
-5 7 3  6 8 4  2 9 1
-2 4 9  5 1 3  6 8 7
-6 8 1  7 2 9  4 3 5
-
-3 9 6  8 7 5  1 4 2
-1 5 7  3 4 2  9 6 8
-8 2 4  9 6 1  5 7 3
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,null,null,0,1,null,null,3,null,null,null,null,null,null,null,null,null,4,null,7,1,4,null,null,7,2,0,null,null,null,null,0,null,3,null,null,5,null,null,null,null,null,null,null,null,null,6,null,null,null,6,null,8,null,null,null,null,6,7,null,4,null,8,0,null,4,2,null,null,null,null,null,null,null],"solution":[6,8,4,7,2,5,3,1,0,7,0,1,4,8,3,6,2,5,3,5,2,1,6,0,4,8,7,1,4,6,5,7,2,0,3,8,2,7,0,8,3,6,1,5,4,8,3,5,0,1,4,2,7,6,0,1,3,6,5,8,7,4,2,5,6,7,2,4,1,8,0,3,4,2,8,3,0,7,5,6,1]}
-PUZZLE:
-_ _ _  _ 3 _  _ _ _
-_ 1 2  _ _ 4  _ _ _
-_ _ _  _ _ _  5 _ 8
-
-2 5 _  _ 8 3  1 _ _
-_ _ 1  _ 4 _  _ 6 _
-_ _ _  _ _ _  _ _ 7
-
-_ _ _  7 _ 9  _ _ _
-_ 7 8  _ 5 _  9 1 _
-5 3 _  _ _ _  _ _ _
-
-SOLUTION:
-7 9 5  8 3 6  4 2 1
-8 1 2  5 9 4  7 3 6
-4 6 3  2 7 1  5 9 8
-
-2 5 7  6 8 3  1 4 9
-3 8 1  9 4 7  2 6 5
-9 4 6  1 2 5  3 8 7
-
-1 2 4  7 6 9  8 5 3
-6 7 8  3 5 2  9 1 4
-5 3 9  4 1 8  6 7 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,2,null,null,null,null,null,1,null,7,null,6,null,null,null,null,null,null,null,null,3,null,null,6,null,null,null,null,3,null,3,7,null,8,4,null,null,null,null,2,null,0,null,null,6,null,4,null,null,null,null,null,null,2,null,null,null,null,null,4,1,3,0,null,null,2,null,null,null,6,null,null,0,null,5],"solution":[4,3,5,0,6,7,1,2,8,8,0,2,4,1,3,7,5,6,6,1,7,5,2,8,4,0,3,5,4,6,2,0,1,8,3,7,3,7,1,8,4,5,2,6,0,2,8,0,3,7,6,5,4,1,0,6,8,7,5,2,3,1,4,7,5,4,1,3,0,6,8,2,1,2,3,6,8,4,0,7,5]}
-PUZZLE:
-_ _ 6  _ _ _  _ 3 _
-_ _ _  _ 2 _  8 _ 7
-_ _ _  _ _ _  _ _ 4
-
-_ _ 7  _ _ _  _ 4 _
-4 8 _  9 5 _  _ _ _
-3 _ 1  _ _ 7  _ 5 _
-
-_ _ _  _ _ 3  _ _ _
-_ _ 5  2 4 1  _ _ 3
-_ _ _  7 _ _  1 _ 6
-
-SOLUTION:
-5 4 6  1 7 8  2 3 9
-9 1 3  5 2 4  8 6 7
-7 2 8  6 3 9  5 1 4
-
-6 5 7  3 1 2  9 4 8
-4 8 2  9 5 6  3 7 1
-3 9 1  4 8 7  6 5 2
-
-1 7 9  8 6 3  4 2 5
-8 6 5  2 4 1  7 9 3
-2 3 4  7 9 5  1 8 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,7,null,6,null,null,null,null,7,null,null,null,8,5,null,null,null,null,null,null,0,5,1,null,null,null,null,null,null,3,7,null,null,4,null,null,null,4,6,null,null,null,3,4,8,null,null,null,null,null,null,null,8,0,null,null,null,null,null,null,null,2,null,null,null,null,null,null,7,null,null,null,null,null,null,null,3,2,null],"solution":[3,5,1,7,4,6,0,8,2,0,7,2,3,1,8,5,4,6,6,4,8,2,0,5,1,3,7,5,1,6,8,3,7,2,0,4,7,2,0,4,6,1,8,5,3,4,8,3,0,5,2,7,6,1,8,0,7,6,2,3,4,1,5,2,3,5,1,8,4,6,7,0,1,6,4,5,7,0,3,2,8]}
-PUZZLE:
-_ _ 2  8 _ 7  _ _ _
-_ 8 _  _ _ 9  6 _ _
-_ _ _  _ 1 6  2 _ _
-
-_ _ _  _ 4 8  _ _ 5
-_ _ _  5 7 _  _ _ 4
-5 9 _  _ _ _  _ _ _
-
-9 1 _  _ _ _  _ _ _
-3 _ _  _ _ _  _ 8 _
-_ _ _  _ _ _  4 3 _
-
-SOLUTION:
-4 6 2  8 5 7  1 9 3
-1 8 3  4 2 9  6 5 7
-7 5 9  3 1 6  2 4 8
-
-6 2 7  9 4 8  3 1 5
-8 3 1  5 7 2  9 6 4
-5 9 4  1 6 3  8 7 2
-
-9 1 8  7 3 4  5 2 6
-3 4 6  2 9 5  7 8 1
-2 7 5  6 8 1  4 3 9
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,4,null,2,0,null,2,null,null,null,null,null,null,null,null,null,null,null,null,5,1,6,8,null,null,null,null,null,0,null,null,null,7,5,null,4,null,null,null,null,null,null,0,null,null,5,8,4,null,null,null,null,null,0,null,null,null,4,null,null,null,6,8,null,null,null,null,null,3,null,null,null,3,null,null,7,null,null],"solution":[8,5,6,7,4,3,2,0,1,2,4,1,0,6,8,3,7,5,3,0,7,2,5,1,6,8,4,6,8,3,1,0,2,5,4,7,5,1,4,6,3,7,8,2,0,0,7,2,5,8,4,1,3,6,1,3,0,8,7,6,4,5,2,7,6,8,4,2,5,0,1,3,4,2,5,3,1,0,7,6,8]}
-PUZZLE:
-_ _ _  _ 5 _  3 1 _
-3 _ _  _ _ _  _ _ _
-_ _ _  _ 6 2  7 9 _
-
-_ _ _  _ 1 _  _ _ 8
-6 _ 5  _ _ _  _ _ _
-1 _ _  6 9 5  _ _ _
-
-_ _ 1  _ _ _  5 _ _
-_ 7 9  _ _ _  _ _ 4
-_ _ _  4 _ _  8 _ _
-
-SOLUTION:
-9 6 7  8 5 4  3 1 2
-3 5 2  1 7 9  4 8 6
-4 1 8  3 6 2  7 9 5
-
-7 9 4  2 1 3  6 5 8
-6 2 5  7 4 8  9 3 1
-1 8 3  6 9 5  2 4 7
-
-2 4 1  9 8 7  5 6 3
-8 7 9  5 3 6  1 2 4
-5 3 6  4 2 1  8 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,5,null,null,null,null,null,6,null,0,null,null,null,null,3,1,null,null,null,null,3,null,null,null,5,null,null,8,0,null,3,null,7,null,3,null,null,null,2,null,null,6,null,null,7,null,6,null,null,null,8,7,1,null,null,null,null,null,8,5,null,null,null,null,null,null,null,null,null,null,8,null,4,null,null,null,2,null],"solution":[4,7,3,1,5,8,0,6,2,2,6,8,0,7,4,1,5,3,1,5,0,6,2,3,8,7,4,5,2,6,8,0,1,3,4,7,8,3,1,7,4,2,5,0,6,0,4,7,3,6,5,2,1,8,7,1,4,2,3,0,6,8,5,6,0,2,5,8,7,4,3,1,3,8,5,4,1,6,7,2,0]}
-PUZZLE:
-5 _ _  _ 6 _  _ _ _
-_ 7 _  1 _ _  _ _ 4
-2 _ _  _ _ 4  _ _ _
-
-6 _ _  9 1 _  4 _ 8
-_ 4 _  _ _ 3  _ _ 7
-_ _ 8  _ 7 _  _ _ 9
-
-8 2 _  _ _ _  _ 9 6
-_ _ _  _ _ _  _ _ _
-_ 9 _  5 _ _  _ 3 _
-
-SOLUTION:
-5 8 4  2 6 9  1 7 3
-3 7 9  1 8 5  2 6 4
-2 6 1  7 3 4  9 8 5
-
-6 3 7  9 1 2  4 5 8
-9 4 2  8 5 3  6 1 7
-1 5 8  4 7 6  3 2 9
-
-8 2 5  3 4 1  7 9 6
-7 1 3  6 9 8  5 4 2
-4 9 6  5 2 7  8 3 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,0,2,1,5,null,null,null,null,null,4,null,0,null,1,null,null,null,null,2,3,null,null,null,0,null,null,5,null,null,null,8,null,null,null,2,null,null,1,6,null,null,null,null,null,null,8,null,null,null,null,null,4,null,null,5,null,null,null,null,8,0,null,8,null,5,2,null,6,null,null,null,3,null,null,null,null,null,null,1],"solution":[8,6,0,2,1,5,4,3,7,3,7,4,8,0,6,1,2,5,5,1,2,3,7,4,8,0,6,7,5,1,4,3,8,0,6,2,2,4,3,1,6,0,5,7,8,6,0,8,7,5,2,3,1,4,1,2,5,6,4,3,7,8,0,0,8,7,5,2,1,6,4,3,4,3,6,0,8,7,2,5,1]}
-PUZZLE:
-_ _ 1  3 2 6  _ _ _
-_ _ 5  _ 1 _  2 _ _
-_ _ 3  4 _ _  _ 1 _
-
-_ 6 _  _ _ 9  _ _ _
-3 _ _  2 7 _  _ _ _
-_ _ 9  _ _ _  _ _ 5
-
-_ _ 6  _ _ _  _ 9 1
-_ 9 _  6 3 _  7 _ _
-_ 4 _  _ _ _  _ _ 2
-
-SOLUTION:
-9 7 1  3 2 6  5 4 8
-4 8 5  9 1 7  2 3 6
-6 2 3  4 8 5  9 1 7
-
-8 6 2  5 4 9  1 7 3
-3 5 4  2 7 1  6 8 9
-7 1 9  8 6 3  4 2 5
-
-2 3 6  7 5 4  8 9 1
-1 9 8  6 3 2  7 5 4
-5 4 7  1 9 8  3 6 2
-
-RATING: 1.75
-DATA:
-{"puzzle":[4,null,null,null,null,null,null,null,2,2,null,6,null,5,null,4,null,7,null,null,5,null,8,null,null,null,0,null,null,4,null,null,null,null,null,null,7,null,null,1,0,null,5,null,null,null,null,null,null,2,null,null,null,null,null,null,8,null,null,null,0,null,null,null,null,null,null,null,null,null,1,null,null,4,null,2,3,null,8,6,null],"solution":[4,8,0,3,7,6,1,5,2,2,3,6,0,5,1,4,8,7,1,7,5,4,8,2,6,3,0,5,0,4,7,6,8,3,2,1,7,6,2,1,0,3,5,4,8,8,1,3,5,2,4,7,0,6,3,2,8,6,1,5,0,7,4,6,5,7,8,4,0,2,1,3,0,4,1,2,3,7,8,6,5]}
-PUZZLE:
-5 _ _  _ _ _  _ _ 3
-3 _ 7  _ 6 _  5 _ 8
-_ _ 6  _ 9 _  _ _ 1
-
-_ _ 5  _ _ _  _ _ _
-8 _ _  2 1 _  6 _ _
-_ _ _  _ 3 _  _ _ _
-
-_ _ 9  _ _ _  1 _ _
-_ _ _  _ _ _  _ 2 _
-_ 5 _  3 4 _  9 7 _
-
-SOLUTION:
-5 9 1  4 8 7  2 6 3
-3 4 7  1 6 2  5 9 8
-2 8 6  5 9 3  7 4 1
-
-6 1 5  8 7 9  4 3 2
-8 7 3  2 1 4  6 5 9
-9 2 4  6 3 5  8 1 7
-
-4 3 9  7 2 6  1 8 5
-7 6 8  9 5 1  3 2 4
-1 5 2  3 4 8  9 7 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,8,4,null,null,null,null,null,null,null,0,null,null,5,3,null,null,6,null,null,null,1,2,null,7,null,null,0,null,3,5,null,null,null,5,null,7,2,null,null,null,8,null,null,3,null,null,null,null,6,null,null,null,null,null,null,1,null,null,null,8,null,7,null,null,null,null,null,1,null,null,5,8,null,null,null],"solution":[7,2,1,3,0,5,8,4,6,8,6,4,7,2,1,0,5,3,5,3,0,8,6,4,7,2,1,2,4,7,6,8,0,1,3,5,3,0,6,5,1,7,2,8,4,1,8,5,4,3,2,6,7,0,6,7,2,0,4,3,5,1,8,4,5,8,1,7,6,3,0,2,0,1,3,2,5,8,4,6,7]}
-PUZZLE:
-_ _ _  _ _ _  9 5 _
-_ _ _  _ _ _  1 _ _
-6 4 _  _ 7 _  _ _ 2
-
-3 _ 8  _ _ 1  _ 4 6
-_ _ _  6 _ 8  3 _ _
-_ 9 _  _ 4 _  _ _ _
-
-7 _ _  _ _ _  _ 2 _
-_ _ 9  _ 8 _  _ _ _
-_ 2 _  _ 6 9  _ _ _
-
-SOLUTION:
-8 3 2  4 1 6  9 5 7
-9 7 5  8 3 2  1 6 4
-6 4 1  9 7 5  8 3 2
-
-3 5 8  7 9 1  2 4 6
-4 1 7  6 2 8  3 9 5
-2 9 6  5 4 3  7 8 1
-
-7 8 3  1 5 4  6 2 9
-5 6 9  2 8 7  4 1 3
-1 2 4  3 6 9  5 7 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,1,null,4,null,0,3,null,null,null,null,7,null,null,null,null,null,2,null,0,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,6,0,2,null,5,null,null,0,3,null,null,null,null,null,4,null,null,null,null,2,5,null,null,null,null,null,null,null,null,6,null,null,1,7,null,8,null,null,null,null,4,null,null],"solution":[2,1,8,4,7,0,3,5,6,4,6,7,5,3,8,1,0,2,3,0,5,6,1,2,7,8,4,8,5,1,3,4,6,2,7,0,7,4,6,0,2,1,5,3,8,0,3,2,7,8,5,6,4,1,1,7,0,2,5,4,8,6,3,5,2,4,8,6,3,0,1,7,6,8,3,1,0,7,4,2,5]}
-PUZZLE:
-_ 2 _  5 _ 1  4 _ _
-_ _ 8  _ _ _  _ _ 3
-_ 1 _  _ _ _  _ 9 _
-
-_ _ _  _ _ _  _ _ _
-_ _ 7  1 3 _  6 _ _
-1 4 _  _ _ _  _ 5 _
-
-_ _ _  3 6 _  _ _ _
-_ _ _  _ 7 _  _ 2 8
-_ 9 _  _ _ _  5 _ _
-
-SOLUTION:
-3 2 9  5 8 1  4 6 7
-5 7 8  6 4 9  2 1 3
-4 1 6  7 2 3  8 9 5
-
-9 6 2  4 5 7  3 8 1
-8 5 7  1 3 2  6 4 9
-1 4 3  8 9 6  7 5 2
-
-2 8 1  3 6 5  9 7 4
-6 3 5  9 7 4  1 2 8
-7 9 4  2 1 8  5 3 6
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,4,null,null,null,0,null,null,5,null,null,null,null,null,null,null,null,null,null,null,6,null,7,3,2,null,null,null,0,null,5,6,null,null,8,null,null,null,1,null,0,null,null,null,null,1,null,null,null,null,null,null,0,null,3,null,null,2,1,null,null,null,null,0,5,null,null,null,null,null,7,6,null,null,null,7,null,null,null,null],"solution":[3,2,4,8,1,5,0,7,6,5,6,7,2,0,3,8,4,1,0,8,1,6,4,7,3,2,5,2,7,0,4,5,6,1,3,8,4,5,3,1,8,0,7,6,2,8,1,6,7,3,2,4,5,0,7,3,8,5,2,1,6,0,4,1,0,5,3,6,4,2,8,7,6,4,2,0,7,8,5,1,3]}
-PUZZLE:
-_ _ 5  _ _ _  1 _ _
-6 _ _  _ _ _  _ _ _
-_ _ _  7 _ 8  4 3 _
-
-_ _ 1  _ 6 7  _ _ 9
-_ _ _  2 _ 1  _ _ _
-_ 2 _  _ _ _  _ _ 1
-
-_ 4 _  _ 3 2  _ _ _
-_ 1 6  _ _ _  _ _ 8
-7 _ _  _ 8 _  _ _ _
-
-SOLUTION:
-4 3 5  9 2 6  1 8 7
-6 7 8  3 1 4  9 5 2
-1 9 2  7 5 8  4 3 6
-
-3 8 1  5 6 7  2 4 9
-5 6 4  2 9 1  8 7 3
-9 2 7  8 4 3  5 6 1
-
-8 4 9  6 3 2  7 1 5
-2 1 6  4 7 5  3 9 8
-7 5 3  1 8 9  6 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,3,null,null,null,7,null,null,null,0,null,null,7,null,null,null,1,null,null,5,null,6,null,null,null,6,null,null,1,null,null,null,2,null,null,null,7,null,null,0,null,null,null,null,null,null,null,3,null,null,null,4,null,null,8,null,null,null,3,5,null,null,null,null,null,null,null,6,null,null,7,0,null,null,null,1,null,null,null],"solution":[4,5,6,3,1,8,0,7,2,3,8,0,2,4,7,5,1,6,1,7,2,5,0,6,4,8,3,6,3,4,1,8,5,7,2,0,8,2,7,4,6,0,1,3,5,0,1,5,7,3,2,8,6,4,2,6,8,0,7,4,3,5,1,5,4,1,8,2,3,6,0,7,7,0,3,6,5,1,2,4,8]}
-PUZZLE:
-_ 6 _  4 _ _  _ 8 _
-_ _ 1  _ _ 8  _ _ _
-2 _ _  6 _ 7  _ _ _
-
-7 _ _  2 _ _  _ 3 _
-_ _ 8  _ _ 1  _ _ _
-_ _ _  _ 4 _  _ _ 5
-
-_ _ 9  _ _ _  4 6 _
-_ _ _  _ _ _  7 _ _
-8 1 _  _ _ 2  _ _ _
-
-SOLUTION:
-5 6 7  4 2 9  1 8 3
-4 9 1  3 5 8  6 2 7
-2 8 3  6 1 7  5 9 4
-
-7 4 5  2 9 6  8 3 1
-9 3 8  5 7 1  2 4 6
-1 2 6  8 4 3  9 7 5
-
-3 7 9  1 8 5  4 6 2
-6 5 2  9 3 4  7 1 8
-8 1 4  7 6 2  3 5 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[1,6,null,null,null,5,null,4,null,null,null,null,null,6,4,null,null,null,null,null,0,1,null,null,null,null,6,null,null,null,null,2,6,4,null,5,null,2,null,5,null,null,null,null,null,null,1,null,null,null,null,null,null,null,7,5,null,null,null,null,1,null,4,null,null,null,0,null,null,5,null,3,0,null,null,null,null,3,null,7,null],"solution":[1,6,2,3,0,5,8,4,7,5,7,8,2,6,4,0,3,1,4,3,0,1,7,8,2,5,6,3,0,7,8,2,6,4,1,5,8,2,4,5,3,1,7,6,0,6,1,5,7,4,0,3,2,8,7,5,3,6,8,2,1,0,4,2,4,6,0,1,7,5,8,3,0,8,1,4,5,3,6,7,2]}
-PUZZLE:
-2 7 _  _ _ 6  _ 5 _
-_ _ _  _ 7 5  _ _ _
-_ _ 1  2 _ _  _ _ 7
-
-_ _ _  _ 3 7  5 _ 6
-_ 3 _  6 _ _  _ _ _
-_ 2 _  _ _ _  _ _ _
-
-8 6 _  _ _ _  2 _ 5
-_ _ _  1 _ _  6 _ 4
-1 _ _  _ _ 4  _ 8 _
-
-SOLUTION:
-2 7 3  4 1 6  9 5 8
-6 8 9  3 7 5  1 4 2
-5 4 1  2 8 9  3 6 7
-
-4 1 8  9 3 7  5 2 6
-9 3 5  6 4 2  8 7 1
-7 2 6  8 5 1  4 3 9
-
-8 6 4  7 9 3  2 1 5
-3 5 7  1 2 8  6 9 4
-1 9 2  5 6 4  7 8 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,null,5,null,null,null,null,null,null,5,7,null,null,null,6,null,null,3,null,null,null,null,null,null,null,null,null,4,null,null,1,5,null,null,7,null,2,0,null,null,null,null,null,null,null,null,null,null,null,8,null,5,2,7,null,null,null,3,null,null,0,null,null,8,4,null,null,1,null,1,null,null,null,null,null,4,null],"solution":[3,7,8,1,6,2,5,0,4,0,2,1,4,5,7,3,8,6,6,4,5,3,0,8,1,7,2,2,6,0,8,4,3,7,1,5,1,8,7,5,2,0,4,6,3,5,3,4,6,7,1,0,2,8,4,5,2,7,1,6,8,3,0,7,0,3,2,8,4,6,5,1,8,1,6,0,3,5,2,4,7]}
-PUZZLE:
-_ _ _  2 _ _  6 _ _
-_ _ _  _ 6 8  _ _ _
-7 _ _  4 _ _  _ _ _
-
-_ _ _  _ 5 _  _ 2 6
-_ _ 8  _ 3 1  _ _ _
-_ _ _  _ _ _  _ _ 9
-
-_ 6 3  8 _ _  _ 4 _
-_ 1 _  _ 9 5  _ _ 2
-_ 2 _  _ _ _  _ 5 _
-
-SOLUTION:
-4 8 9  2 7 3  6 1 5
-1 3 2  5 6 8  4 9 7
-7 5 6  4 1 9  2 8 3
-
-3 7 1  9 5 4  8 2 6
-2 9 8  6 3 1  5 7 4
-6 4 5  7 8 2  1 3 9
-
-5 6 3  8 2 7  9 4 1
-8 1 4  3 9 5  7 6 2
-9 2 7  1 4 6  3 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,6,null,0,4,null,null,0,null,null,null,1,6,8,null,null,null,5,null,null,null,null,null,null,null,3,null,null,2,null,null,5,null,0,6,null,null,null,null,1,null,null,4,null,null,null,null,null,2,null,0,null,null,null,null,null,7,4,null,null,null,null,6,null,7,3,null,null,null,null,5,0,null,null,null,null,null],"solution":[8,7,2,3,1,6,5,0,4,3,5,0,7,2,4,1,6,8,6,1,4,5,0,8,2,3,7,1,8,3,4,6,2,0,7,5,2,0,6,8,7,5,4,1,3,5,4,7,1,3,0,8,2,6,0,6,8,2,5,3,7,4,1,4,2,1,6,8,7,3,5,0,7,3,5,0,4,1,6,8,2]}
-PUZZLE:
-_ _ _  4 _ 7  _ 1 5
-_ _ 1  _ _ _  2 7 9
-_ _ _  6 _ _  _ _ _
-
-_ _ 4  _ _ 3  _ _ 6
-_ 1 7  _ _ _  _ 2 _
-_ 5 _  _ _ _  _ 3 _
-
-1 _ _  _ _ _  8 5 _
-_ _ _  7 _ 8  4 _ _
-_ _ 6  1 _ _  _ _ _
-
-SOLUTION:
-9 8 3  4 2 7  6 1 5
-4 6 1  8 3 5  2 7 9
-7 2 5  6 1 9  3 4 8
-
-2 9 4  5 7 3  1 8 6
-3 1 7  9 8 6  5 2 4
-6 5 8  2 4 1  9 3 7
-
-1 7 9  3 6 4  8 5 2
-5 3 2  7 9 8  4 6 1
-8 4 6  1 5 2  7 9 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,null,0,null,3,null,null,8,null,null,7,5,4,null,null,null,null,null,8,null,null,null,6,null,null,4,null,null,null,1,8,null,null,null,null,null,4,null,null,2,null,null,0,null,null,3,null,null,null,null,null,null,null,6,5,null,8,null,null,null,null,null,null,null,null,null,5,null,7,null,null,3,2,0,null],"solution":[1,8,5,7,3,2,6,4,0,0,3,2,6,8,4,1,7,5,4,7,6,1,0,5,8,2,3,7,6,3,2,4,8,0,5,1,8,0,1,3,5,7,4,6,2,2,5,4,0,6,1,3,8,7,3,2,0,4,7,6,5,1,8,6,1,8,5,2,0,7,3,4,5,4,7,8,1,3,2,0,6]}
-PUZZLE:
-_ _ _  8 _ _  _ _ 1
-_ 4 _  _ 9 _  _ 8 6
-5 _ _  _ _ _  9 _ _
-
-_ 7 _  _ 5 _  _ _ 2
-9 _ _  _ _ _  5 _ _
-3 _ _  1 _ _  4 _ _
-
-_ _ _  _ _ 7  6 _ 9
-_ _ _  _ _ _  _ _ _
-6 _ 8  _ _ 4  3 1 _
-
-SOLUTION:
-2 9 6  8 4 3  7 5 1
-1 4 3  7 9 5  2 8 6
-5 8 7  2 1 6  9 3 4
-
-8 7 4  3 5 9  1 6 2
-9 1 2  4 6 8  5 7 3
-3 6 5  1 7 2  4 9 8
-
-4 3 1  5 8 7  6 2 9
-7 2 9  6 3 1  8 4 5
-6 5 8  9 2 4  3 1 7
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,3,null,null,4,4,null,null,2,0,null,7,null,null,null,null,null,null,5,null,null,null,null,6,null,0,null,null,4,null,null,3,null,7,null,8,null,null,null,null,null,null,null,null,null,null,null,5,7,null,null,null,null,1,null,null,null,3,null,null,null,5,null,null,null,null,8,null,null,8,3,null,null,null,4,2,5],"solution":[8,5,7,6,1,3,2,0,4,4,3,6,2,0,8,7,5,1,0,1,2,4,5,7,3,6,8,6,2,0,5,7,4,8,1,3,5,7,1,8,3,6,0,4,2,3,4,8,0,2,1,5,7,6,2,0,4,1,8,5,6,3,7,7,6,5,3,4,2,1,8,0,1,8,3,7,6,0,4,2,5]}
-PUZZLE:
-_ _ _  _ _ 4  _ _ 5
-5 _ _  3 1 _  8 _ _
-_ _ _  _ 6 _  _ _ _
-
-7 _ 1  _ _ 5  _ _ 4
-_ 8 _  9 _ _  _ _ _
-_ _ _  _ _ _  6 8 _
-
-_ _ _  2 _ _  _ 4 _
-_ _ 6  _ _ _  _ 9 _
-_ 9 4  _ _ _  5 3 6
-
-SOLUTION:
-9 6 8  7 2 4  3 1 5
-5 4 7  3 1 9  8 6 2
-1 2 3  5 6 8  4 7 9
-
-7 3 1  6 8 5  9 2 4
-6 8 2  9 4 7  1 5 3
-4 5 9  1 3 2  6 8 7
-
-3 1 5  2 9 6  7 4 8
-8 7 6  4 5 3  2 9 1
-2 9 4  8 7 1  5 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,4,null,5,null,null,null,null,null,null,null,0,null,8,6,null,null,null,3,8,null,null,null,null,null,5,null,6,null,null,null,null,1,null,null,null,null,null,4,null,null,null,null,2,3,null,null,null,null,5,null,null,null,6,7,null,null,null,null,null,0,null,5,null,null,7,1,null,2,null,null,null,null,null,6,null,7,null,null],"solution":[6,1,8,4,3,5,2,0,7,4,2,5,1,0,7,8,6,3,0,7,3,8,2,6,1,4,5,5,0,6,7,8,3,4,1,2,7,8,1,5,4,2,0,3,6,2,3,4,6,1,0,5,7,8,1,6,7,2,5,4,3,8,0,8,5,0,3,7,1,6,2,4,3,4,2,0,6,8,7,5,1]}
-PUZZLE:
-_ _ 9  5 _ 6  _ _ _
-_ _ _  _ 1 _  9 7 _
-_ _ 4  9 _ _  _ _ _
-
-6 _ 7  _ _ _  _ 2 _
-_ _ _  _ 5 _  _ _ _
-3 4 _  _ _ _  6 _ _
-
-_ 7 8  _ _ _  _ _ 1
-_ 6 _  _ 8 2  _ 3 _
-_ _ _  _ 7 _  8 _ _
-
-SOLUTION:
-7 2 9  5 4 6  3 1 8
-5 3 6  2 1 8  9 7 4
-1 8 4  9 3 7  2 5 6
-
-6 1 7  8 9 4  5 2 3
-8 9 2  6 5 3  1 4 7
-3 4 5  7 2 1  6 8 9
-
-2 7 8  3 6 5  4 9 1
-9 6 1  4 8 2  7 3 5
-4 5 3  1 7 9  8 6 2
-
-RATING: 0
-DATA:
-{"puzzle":[1,3,null,null,7,null,5,null,null,null,null,null,8,null,null,null,7,null,7,null,null,null,null,null,null,4,null,null,null,5,0,null,null,null,null,null,null,0,null,null,null,null,8,null,null,null,null,6,4,null,5,null,null,1,null,null,8,1,null,null,null,null,6,null,null,null,null,null,0,null,null,null,6,null,null,null,8,null,null,null,2],"solution":[1,3,0,2,7,4,5,6,8,5,6,4,8,0,1,2,7,3,7,8,2,3,5,6,1,4,0,4,1,5,0,3,8,6,2,7,2,0,3,6,1,7,8,5,4,8,7,6,4,2,5,3,0,1,0,5,8,1,4,2,7,3,6,3,2,1,7,6,0,4,8,5,6,4,7,5,8,3,0,1,2]}
-PUZZLE:
-2 4 _  _ 8 _  6 _ _
-_ _ _  9 _ _  _ 8 _
-8 _ _  _ _ _  _ 5 _
-
-_ _ 6  1 _ _  _ _ _
-_ 1 _  _ _ _  9 _ _
-_ _ 7  5 _ 6  _ _ 2
-
-_ _ 9  2 _ _  _ _ 7
-_ _ _  _ _ 1  _ _ _
-7 _ _  _ 9 _  _ _ 3
-
-SOLUTION:
-2 4 1  3 8 5  6 7 9
-6 7 5  9 1 2  3 8 4
-8 9 3  4 6 7  2 5 1
-
-5 2 6  1 4 9  7 3 8
-3 1 4  7 2 8  9 6 5
-9 8 7  5 3 6  4 1 2
-
-1 6 9  2 5 3  8 4 7
-4 3 2  8 7 1  5 9 6
-7 5 8  6 9 4  1 2 3
-
-RATING: 4.5
-DATA:
-{"puzzle":[null,null,null,null,1,null,3,null,null,2,null,null,null,null,null,8,null,4,5,null,null,3,null,null,null,2,7,null,6,null,null,8,null,1,null,2,1,3,null,null,null,5,null,4,6,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,4,null,null,null,7,null,4,null,null,null,null,null,null,null,null,null,2,1,null,null,8],"solution":[7,4,6,8,1,2,3,0,5,2,0,3,5,7,6,8,1,4,5,8,1,3,4,0,6,2,7,0,6,5,7,8,4,1,3,2,1,3,8,2,0,5,7,4,6,4,2,7,1,6,3,5,8,0,8,1,2,0,5,7,4,6,3,6,7,0,4,3,8,2,5,1,3,5,4,6,2,1,0,7,8]}
-PUZZLE:
-_ _ _  _ 2 _  4 _ _
-3 _ _  _ _ _  9 _ 5
-6 _ _  4 _ _  _ 3 8
-
-_ 7 _  _ 9 _  2 _ 3
-2 4 _  _ _ 6  _ 5 7
-_ _ _  _ _ 4  _ _ _
-
-_ _ _  _ _ _  5 _ _
-_ 8 _  5 _ _  _ _ _
-_ _ _  _ 3 2  _ _ 9
-
-SOLUTION:
-8 5 7  9 2 3  4 1 6
-3 1 4  6 8 7  9 2 5
-6 9 2  4 5 1  7 3 8
-
-1 7 6  8 9 5  2 4 3
-2 4 9  3 1 6  8 5 7
-5 3 8  2 7 4  6 9 1
-
-9 2 3  1 6 8  5 7 4
-7 8 1  5 4 9  3 6 2
-4 6 5  7 3 2  1 8 9
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,2,7,null,null,3,null,null,null,null,null,null,null,null,5,null,null,1,4,0,null,null,0,null,6,5,null,8,4,null,null,null,4,null,null,null,null,null,null,null,null,null,2,8,null,null,null,null,null,null,8,null,6,null,1,null,0,null,null,null,null,2,null,5,null,null,null,null,6,3,null,null,null,null,4],"solution":[8,1,0,5,4,6,3,2,7,4,7,3,8,0,2,6,1,5,6,2,5,7,3,1,4,0,8,3,0,2,6,5,7,8,4,1,5,8,4,0,1,3,7,6,2,7,6,1,2,8,4,0,5,3,2,3,8,4,6,5,1,7,0,0,4,7,1,2,8,5,3,6,1,5,6,3,7,0,2,8,4]}
-PUZZLE:
-_ 2 _  _ _ _  _ 3 8
-_ _ 4  _ _ _  _ _ _
-_ _ 6  _ _ 2  5 1 _
-
-_ 1 _  7 6 _  9 5 _
-_ _ 5  _ _ _  _ _ _
-_ _ _  3 9 _  _ _ _
-
-_ _ 9  _ 7 _  2 _ 1
-_ _ _  _ 3 _  6 _ _
-_ _ 7  4 _ _  _ _ 5
-
-SOLUTION:
-9 2 1  6 5 7  4 3 8
-5 8 4  9 1 3  7 2 6
-7 3 6  8 4 2  5 1 9
-
-4 1 3  7 6 8  9 5 2
-6 9 5  1 2 4  8 7 3
-8 7 2  3 9 5  1 6 4
-
-3 4 9  5 7 6  2 8 1
-1 5 8  2 3 9  6 4 7
-2 6 7  4 8 1  3 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,3,null,0,null,null,null,null,1,null,null,6,null,5,null,null,null,6,4,null,1,8,null,null,null,null,null,null,null,8,null,null,0,null,2,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,4,3,8,5,null,4,null,null,6,2,null,null,null,null,null,3,null,null,null,null,null,null,null,null,4,null,null,6,5,null],"solution":[2,8,3,7,0,4,5,1,6,1,0,7,6,3,5,8,2,4,6,4,5,1,8,2,3,0,7,4,5,1,8,7,3,0,6,2,8,3,6,2,4,0,1,7,5,7,2,0,5,6,1,4,3,8,5,7,4,0,1,6,2,8,3,0,6,2,3,5,8,7,4,1,3,1,8,4,2,7,6,5,0]}
-PUZZLE:
-_ 9 4  _ 1 _  _ _ _
-2 _ _  7 _ 6  _ _ _
-7 5 _  2 9 _  _ _ _
-
-_ _ _  9 _ _  1 _ 3
-_ _ 7  _ _ _  _ _ _
-_ _ _  _ _ _  5 4 9
-
-6 _ 5  _ _ 7  3 _ _
-_ _ _  4 _ _  _ _ _
-_ _ _  5 _ _  7 6 _
-
-SOLUTION:
-3 9 4  8 1 5  6 2 7
-2 1 8  7 4 6  9 3 5
-7 5 6  2 9 3  4 1 8
-
-5 6 2  9 8 4  1 7 3
-9 4 7  3 5 1  2 8 6
-8 3 1  6 7 2  5 4 9
-
-6 8 5  1 2 7  3 9 4
-1 7 3  4 6 9  8 5 2
-4 2 9  5 3 8  7 6 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[8,null,0,null,null,4,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,7,null,6,null,null,null,1,null,null,null,null,null,null,null,null,0,null,8,null,null,null,null,2,null,null,4,2,null,0,null,null,6,null,null,null,null,1,null,null,5,null,3,4,5,null,null,null,1,null,null,null,null,1,0,8,null,4,null,null],"solution":[8,6,0,3,5,4,7,2,1,1,5,7,6,0,2,3,4,8,4,3,2,1,7,8,6,0,5,2,1,8,5,6,7,0,3,4,6,0,3,8,4,1,5,7,2,5,7,4,2,3,0,8,1,6,0,8,6,4,1,3,2,5,7,3,4,5,7,2,6,1,8,0,7,2,1,0,8,5,4,6,3]}
-PUZZLE:
-9 _ 1  _ _ 5  _ _ _
-_ _ _  7 _ _  _ _ _
-_ _ _  _ 8 _  7 _ _
-
-_ 2 _  _ _ _  _ _ _
-_ 1 _  9 _ _  _ _ 3
-_ _ 5  3 _ 1  _ _ 7
-
-_ _ _  _ 2 _  _ 6 _
-4 5 6  _ _ _  2 _ _
-_ _ 2  1 9 _  5 _ _
-
-SOLUTION:
-9 7 1  4 6 5  8 3 2
-2 6 8  7 1 3  4 5 9
-5 4 3  2 8 9  7 1 6
-
-3 2 9  6 7 8  1 4 5
-7 1 4  9 5 2  6 8 3
-6 8 5  3 4 1  9 2 7
-
-1 9 7  5 2 4  3 6 8
-4 5 6  8 3 7  2 9 1
-8 3 2  1 9 6  5 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,2,null,0,null,7,null,1,null,null,8,null,4,6,null,5,null,1,null,null,null,null,null,null,null,3,null,8,null,null,null,null,null,null,null,null,1,null,6,null,8,4,null,null,null,null,5,null,null,null,null,null,7,0,null,null,null,null,2,1,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,3,null,null,2],"solution":[4,6,2,3,0,5,7,8,1,3,7,8,1,4,6,2,5,0,1,5,0,8,2,7,6,4,3,7,8,4,5,1,0,3,2,6,2,1,3,6,7,8,4,0,5,6,0,5,2,3,4,8,1,7,0,3,6,4,5,2,1,7,8,8,2,7,0,6,1,5,3,4,5,4,1,7,8,3,0,6,2]}
-PUZZLE:
-_ _ 3  _ 1 _  8 _ 2
-_ _ 9  _ 5 7  _ 6 _
-2 _ _  _ _ _  _ _ 4
-
-_ 9 _  _ _ _  _ _ _
-_ 2 _  7 _ 9  5 _ _
-_ _ 6  _ _ _  _ _ 8
-
-1 _ _  _ _ 3  2 _ _
-_ _ _  1 _ _  _ _ _
-_ _ _  _ _ 4  _ _ 3
-
-SOLUTION:
-5 7 3  4 1 6  8 9 2
-4 8 9  2 5 7  3 6 1
-2 6 1  9 3 8  7 5 4
-
-8 9 5  6 2 1  4 3 7
-3 2 4  7 8 9  5 1 6
-7 1 6  3 4 5  9 2 8
-
-1 4 7  5 6 3  2 8 9
-9 3 8  1 7 2  6 4 5
-6 5 2  8 9 4  1 7 3
-
-RATING: 0
-DATA:
-{"puzzle":[5,2,null,null,null,null,null,null,null,null,null,null,5,0,8,null,null,1,null,0,6,null,null,null,null,null,null,null,3,null,null,4,null,6,null,null,null,1,null,null,null,null,7,null,0,null,null,5,0,null,null,null,8,null,7,null,null,null,null,null,null,5,null,null,null,null,1,5,null,4,null,2,null,null,null,null,null,2,0,null,null],"solution":[5,2,1,6,7,4,8,0,3,3,4,7,5,0,8,2,6,1,8,0,6,2,1,3,5,4,7,2,3,0,8,4,7,6,1,5,4,1,8,3,6,5,7,2,0,6,7,5,0,2,1,3,8,4,7,6,2,4,3,0,1,5,8,0,8,3,1,5,6,4,7,2,1,5,4,7,8,2,0,3,6]}
-PUZZLE:
-6 3 _  _ _ _  _ _ _
-_ _ _  6 1 9  _ _ 2
-_ 1 7  _ _ _  _ _ _
-
-_ 4 _  _ 5 _  7 _ _
-_ 2 _  _ _ _  8 _ 1
-_ _ 6  1 _ _  _ 9 _
-
-8 _ _  _ _ _  _ 6 _
-_ _ _  2 6 _  5 _ 3
-_ _ _  _ _ 3  1 _ _
-
-SOLUTION:
-6 3 2  7 8 5  9 1 4
-4 5 8  6 1 9  3 7 2
-9 1 7  3 2 4  6 5 8
-
-3 4 1  9 5 8  7 2 6
-5 2 9  4 7 6  8 3 1
-7 8 6  1 3 2  4 9 5
-
-8 7 3  5 4 1  2 6 9
-1 9 4  2 6 7  5 8 3
-2 6 5  8 9 3  1 4 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,5,null,null,null,7,null,0,null,null,null,null,6,null,2,8,null,null,null,null,0,7,null,6,null,null,null,1,null,null,null,8,null,null,null,null,null,null,null,5,null,null,null,7,null,4,null,null,3,6,null,null,null,2,null,null,null,8,5,null,null,2,null,null,null,7,2,null,null,5,3,null,null,null],"solution":[8,0,2,4,1,6,3,7,5,5,1,4,7,3,0,8,2,6,3,6,7,2,8,5,4,0,1,0,7,3,6,4,8,5,1,2,2,4,8,5,0,1,7,6,3,6,5,1,3,2,7,0,4,8,1,3,6,8,7,4,2,5,0,4,8,5,0,6,2,1,3,7,7,2,0,1,5,3,6,8,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 6
-_ _ _  8 _ 1  _ _ _
-_ 7 _  3 9 _  _ _ _
-
-1 8 _  7 _ _  _ 2 _
-_ _ 9  _ _ _  _ _ _
-_ 6 _  _ _ 8  _ 5 _
-
-_ 4 7  _ _ _  3 _ _
-_ 9 6  _ _ 3  _ _ _
-8 3 _  _ 6 4  _ _ _
-
-SOLUTION:
-9 1 3  5 2 7  4 8 6
-6 2 5  8 4 1  9 3 7
-4 7 8  3 9 6  5 1 2
-
-1 8 4  7 5 9  6 2 3
-3 5 9  6 1 2  8 7 4
-7 6 2  4 3 8  1 5 9
-
-2 4 7  9 8 5  3 6 1
-5 9 6  1 7 3  2 4 8
-8 3 1  2 6 4  7 9 5
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,8,null,null,1,2,null,null,null,null,null,null,null,null,null,1,null,null,null,null,5,null,6,null,null,0,8,null,null,2,null,null,null,null,null,0,null,null,null,7,null,null,null,null,null,3,6,null,null,null,null,null,7,2,null,5,null,null,null,null,null,3,null,6,1,null,2,null,null,null,null,null,null,null,4,null,null,null,0,null],"solution":[5,4,8,7,0,1,2,3,6,6,7,0,8,3,2,4,1,5,3,1,2,5,4,6,7,8,0,8,5,7,2,1,3,0,6,4,0,2,4,6,7,8,3,5,1,1,3,6,0,5,4,8,2,7,2,0,5,1,8,7,6,4,3,4,6,1,3,2,0,5,7,8,7,8,3,4,6,5,1,0,2]}
-PUZZLE:
-6 _ 9  _ _ 2  3 _ _
-_ _ _  _ _ _  _ 2 _
-_ _ _  6 _ 7  _ _ 1
-
-9 _ _  3 _ _  _ _ _
-1 _ _  _ 8 _  _ _ _
-_ 4 7  _ _ _  _ _ 8
-
-3 _ 6  _ _ _  _ _ 4
-_ 7 2  _ 3 _  _ _ _
-_ _ _  5 _ _  _ 1 _
-
-SOLUTION:
-6 5 9  8 1 2  3 4 7
-7 8 1  9 4 3  5 2 6
-4 2 3  6 5 7  8 9 1
-
-9 6 8  3 2 4  1 7 5
-1 3 5  7 8 9  4 6 2
-2 4 7  1 6 5  9 3 8
-
-3 1 6  2 9 8  7 5 4
-5 7 2  4 3 1  6 8 9
-8 9 4  5 7 6  2 1 3
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,2,null,null,5,0,6,null,null,null,null,null,null,3,8,4,null,7,null,null,6,null,1,null,null,null,null,null,7,null,null,7,null,null,2,null,5,null,null,null,0,null,null,null,null,4,null,2,null,null,null,null,null,null,null,null,null,7,null,null,3,4,1,null,5,null,null,null,null,null,6,5,2,null,3],"solution":[4,6,7,0,1,8,3,2,5,1,5,0,6,3,2,7,8,4,2,3,8,4,5,7,0,1,6,3,1,2,5,0,4,6,7,8,6,7,4,8,2,3,5,0,1,8,0,5,1,7,6,4,3,2,5,4,3,2,8,0,1,6,7,7,2,6,3,4,1,8,5,0,0,8,1,7,6,5,2,4,3]}
-PUZZLE:
-_ _ _  _ _ _  _ 3 _
-_ 6 1  7 _ _  _ _ _
-_ 4 9  5 _ 8  _ _ 7
-
-_ 2 _  _ _ _  _ 8 _
-_ 8 _  _ 3 _  6 _ _
-_ 1 _  _ _ _  5 _ 3
-
-_ _ _  _ _ _  _ _ _
-8 _ _  4 5 2  _ 6 _
-_ _ _  _ 7 6  3 _ 4
-
-SOLUTION:
-5 7 8  1 2 9  4 3 6
-2 6 1  7 4 3  8 9 5
-3 4 9  5 6 8  1 2 7
-
-4 2 3  6 1 5  7 8 9
-7 8 5  9 3 4  6 1 2
-9 1 6  2 8 7  5 4 3
-
-6 5 4  3 9 1  2 7 8
-8 3 7  4 5 2  9 6 1
-1 9 2  8 7 6  3 5 4
-
-RATING: 3.25
-DATA:
-{"puzzle":[0,null,3,null,2,null,null,null,null,null,null,null,7,null,3,8,null,null,null,null,2,8,null,null,1,4,null,4,0,null,null,null,null,null,null,8,null,null,null,null,null,2,null,null,7,null,3,null,1,null,null,4,null,null,null,null,null,null,null,null,null,3,5,null,null,4,null,5,null,6,null,null,5,null,null,null,null,null,null,null,null],"solution":[0,8,3,4,2,1,5,7,6,1,4,5,7,6,3,8,0,2,7,6,2,8,0,5,1,4,3,4,0,1,5,3,7,2,6,8,6,5,8,0,4,2,3,1,7,2,3,7,1,8,6,4,5,0,8,2,0,6,1,4,7,3,5,3,7,4,2,5,0,6,8,1,5,1,6,3,7,8,0,2,4]}
-PUZZLE:
-1 _ 4  _ 3 _  _ _ _
-_ _ _  8 _ 4  9 _ _
-_ _ 3  9 _ _  2 5 _
-
-5 1 _  _ _ _  _ _ 9
-_ _ _  _ _ 3  _ _ 8
-_ 4 _  2 _ _  5 _ _
-
-_ _ _  _ _ _  _ 4 6
-_ _ 5  _ 6 _  7 _ _
-6 _ _  _ _ _  _ _ _
-
-SOLUTION:
-1 9 4  5 3 2  6 8 7
-2 5 6  8 7 4  9 1 3
-8 7 3  9 1 6  2 5 4
-
-5 1 2  6 4 8  3 7 9
-7 6 9  1 5 3  4 2 8
-3 4 8  2 9 7  5 6 1
-
-9 3 1  7 2 5  8 4 6
-4 8 5  3 6 1  7 9 2
-6 2 7  4 8 9  1 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,4,null,null,null,1,null,5,null,null,3,null,2,0,7,null,8,2,null,null,null,1,null,null,2,null,null,null,null,null,null,7,null,null,null,0,null,null,null,null,null,6,null,null,null,5,null,null,null,null,null,null,1,null,null,8,null,3,null,null,null,null,null,null,null,5,null,null,2,null,7,null,6,5,null,null,8],"solution":[3,0,2,5,1,4,7,8,6,1,6,5,8,7,3,4,2,0,7,4,8,2,0,6,3,1,5,8,2,3,6,4,1,0,5,7,5,1,4,0,8,7,2,6,3,6,7,0,3,5,2,8,4,1,0,5,1,7,2,8,6,3,4,4,8,6,1,3,0,5,7,2,2,3,7,4,6,5,1,0,8]}
-PUZZLE:
-_ _ _  _ _ 5  _ _ _
-2 _ 6  _ _ 4  _ 3 1
-8 _ 9  3 _ _  _ 2 _
-
-_ 3 _  _ _ _  _ _ 8
-_ _ _  1 _ _  _ _ _
-7 _ _  _ 6 _  _ _ _
-
-_ _ 2  _ _ 9  _ 4 _
-_ _ _  _ _ _  6 _ _
-3 _ 8  _ 7 6  _ _ 9
-
-SOLUTION:
-4 1 3  6 2 5  8 9 7
-2 7 6  9 8 4  5 3 1
-8 5 9  3 1 7  4 2 6
-
-9 3 4  7 5 2  1 6 8
-6 2 5  1 9 8  3 7 4
-7 8 1  4 6 3  9 5 2
-
-1 6 2  8 3 9  7 4 5
-5 9 7  2 4 1  6 8 3
-3 4 8  5 7 6  2 1 9
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,6,null,null,null,4,null,null,null,5,null,null,null,null,null,null,1,8,null,null,null,3,null,null,null,4,null,null,5,null,2,4,null,null,null,null,7,null,0,8,null,null,0,null,null,null,null,2,1,7,null,null,null,5,null,null,null,null,2,null,null,null,null,0,3,null,5,null,3,null,8,null,null,null,null],"solution":[0,3,1,5,7,4,2,6,8,6,8,4,2,0,3,5,7,1,7,5,2,6,1,8,4,0,3,3,0,7,1,4,2,8,5,6,2,4,5,8,3,6,7,1,0,8,1,6,0,5,7,3,4,2,1,7,0,3,2,5,6,8,4,4,2,8,7,6,1,0,3,5,5,6,3,4,8,0,1,2,7]}
-PUZZLE:
-_ _ _  _ 8 _  _ 7 _
-_ _ 5  _ _ _  6 _ _
-_ _ _  _ 2 9  _ _ _
-
-4 _ _  _ 5 _  _ 6 _
-3 5 _  _ _ _  8 _ 1
-9 _ _  1 _ _  _ _ 3
-
-2 8 _  _ _ 6  _ _ _
-_ 3 _  _ _ _  1 4 _
-6 _ 4  _ 9 _  _ _ _
-
-SOLUTION:
-1 4 2  6 8 5  3 7 9
-7 9 5  3 1 4  6 8 2
-8 6 3  7 2 9  5 1 4
-
-4 1 8  2 5 3  9 6 7
-3 5 6  9 4 7  8 2 1
-9 2 7  1 6 8  4 5 3
-
-2 8 1  4 3 6  7 9 5
-5 3 9  8 7 2  1 4 6
-6 7 4  5 9 1  2 3 8
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,6,null,1,null,null,8,5,null,null,null,null,null,null,0,null,null,null,4,null,null,8,null,null,2,null,6,null,null,8,null,0,1,null,null,null,null,null,null,7,null,4,null,null,null,2,null,3,6,null,null,null,2,7,null,null,null,3,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,1,null,null,6,null],"solution":[7,3,0,6,2,1,4,5,8,5,2,8,3,7,4,6,0,1,6,1,4,0,5,8,7,3,2,4,6,7,2,8,5,0,1,3,8,5,3,1,0,7,2,4,6,1,0,2,4,3,6,8,7,5,2,7,6,5,4,3,1,8,0,3,8,1,7,6,0,5,2,4,0,4,5,8,1,2,3,6,7]}
-PUZZLE:
-_ _ _  7 _ 2  _ _ 9
-6 _ _  _ _ _  _ 1 _
-_ _ 5  _ _ 9  _ _ 3
-
-_ 7 _  _ 9 _  1 2 _
-_ _ _  _ _ 8  _ 5 _
-_ _ 3  _ 4 7  _ _ _
-
-3 8 _  _ _ 4  _ _ _
-_ 9 _  _ _ _  _ _ _
-_ _ _  _ 2 _  _ 7 _
-
-SOLUTION:
-8 4 1  7 3 2  5 6 9
-6 3 9  4 8 5  7 1 2
-7 2 5  1 6 9  8 4 3
-
-5 7 8  3 9 6  1 2 4
-9 6 4  2 1 8  3 5 7
-2 1 3  5 4 7  9 8 6
-
-3 8 7  6 5 4  2 9 1
-4 9 2  8 7 1  6 3 5
-1 5 6  9 2 3  4 7 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,6,null,null,0,null,5,7,8,null,null,null,null,1,3,null,null,null,null,null,null,2,null,null,null,null,0,null,null,4,null,null,null,null,null,1,7,null,null,null,null,4,null,6,null,6,null,null,null,8,1,null,null,null,null,0,null,null,5,null,null,2,3,null,null,null,null,null,null,null,null,5,null,null,6,null,null,null,null,null],"solution":[4,1,6,3,8,0,2,5,7,8,5,2,7,6,1,3,4,0,7,0,3,5,2,4,6,8,1,0,3,5,4,1,6,7,2,8,1,7,8,2,5,3,4,0,6,2,6,4,0,7,8,1,3,5,6,4,0,1,3,5,8,7,2,3,2,1,8,0,7,5,6,4,5,8,7,6,4,2,0,1,3]}
-PUZZLE:
-_ _ 7  _ _ 1  _ 6 8
-9 _ _  _ _ 2  4 _ _
-_ _ _  _ 3 _  _ _ _
-
-1 _ _  5 _ _  _ _ _
-2 8 _  _ _ _  5 _ 7
-_ 7 _  _ _ 9  2 _ _
-
-_ _ 1  _ _ 6  _ _ 3
-4 _ _  _ _ _  _ _ _
-6 _ _  7 _ _  _ _ _
-
-SOLUTION:
-5 2 7  4 9 1  3 6 8
-9 6 3  8 7 2  4 5 1
-8 1 4  6 3 5  7 9 2
-
-1 4 6  5 2 7  8 3 9
-2 8 9  3 6 4  5 1 7
-3 7 5  1 8 9  2 4 6
-
-7 5 1  2 4 6  9 8 3
-4 3 2  9 1 8  6 7 5
-6 9 8  7 5 3  1 2 4
-
-RATING: 1.75
-DATA:
-{"puzzle":[5,4,2,null,8,null,null,null,null,null,3,null,null,2,null,null,1,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,2,null,0,0,1,null,5,null,null,null,6,null,null,null,5,7,null,null,3,null,null,null,null,3,null,4,5,null,null,null,null,null,7,2,null,null,0,null,4,null,null,null,null,null,null,6,null,null],"solution":[5,4,2,6,8,1,7,0,3,8,3,0,4,2,7,5,1,6,7,6,1,3,5,0,4,8,2,3,7,6,8,1,4,2,5,0,0,1,4,5,3,2,8,6,7,2,8,5,7,0,6,3,4,1,6,2,3,0,4,5,1,7,8,1,5,7,2,6,8,0,3,4,4,0,8,1,7,3,6,2,5]}
-PUZZLE:
-6 5 3  _ 9 _  _ _ _
-_ 4 _  _ 3 _  _ 2 _
-_ _ _  _ _ 1  _ _ _
-
-_ _ _  _ _ _  3 _ 1
-1 2 _  6 _ _  _ 7 _
-_ _ 6  8 _ _  4 _ _
-
-_ _ 4  _ 5 6  _ _ _
-_ _ 8  3 _ _  1 _ 5
-_ _ _  _ _ _  7 _ _
-
-SOLUTION:
-6 5 3  7 9 2  8 1 4
-9 4 1  5 3 8  6 2 7
-8 7 2  4 6 1  5 9 3
-
-4 8 7  9 2 5  3 6 1
-1 2 5  6 4 3  9 7 8
-3 9 6  8 1 7  4 5 2
-
-7 3 4  1 5 6  2 8 9
-2 6 8  3 7 9  1 4 5
-5 1 9  2 8 4  7 3 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[3,4,2,null,null,null,5,null,null,null,null,null,null,null,null,null,null,4,null,0,null,6,null,null,null,2,null,null,5,null,null,null,4,null,null,null,null,null,null,2,6,null,null,null,5,6,null,7,null,1,null,4,null,null,5,null,1,null,7,null,null,3,8,7,null,4,null,null,8,null,null,null,null,null,null,null,3,null,null,null,null],"solution":[3,4,2,8,0,7,5,1,6,1,7,6,3,5,2,8,0,4,8,0,5,6,4,1,3,2,7,0,5,3,7,8,4,1,6,2,4,1,8,2,6,3,0,7,5,6,2,7,0,1,5,4,8,3,5,6,1,4,7,0,2,3,8,7,3,4,1,2,8,6,5,0,2,8,0,5,3,6,7,4,1]}
-PUZZLE:
-4 5 3  _ _ _  6 _ _
-_ _ _  _ _ _  _ _ 5
-_ 1 _  7 _ _  _ 3 _
-
-_ 6 _  _ _ 5  _ _ _
-_ _ _  3 7 _  _ _ 6
-7 _ 8  _ 2 _  5 _ _
-
-6 _ 2  _ 8 _  _ 4 9
-8 _ 5  _ _ 9  _ _ _
-_ _ _  _ 4 _  _ _ _
-
-SOLUTION:
-4 5 3  9 1 8  6 2 7
-2 8 7  4 6 3  9 1 5
-9 1 6  7 5 2  4 3 8
-
-1 6 4  8 9 5  2 7 3
-5 2 9  3 7 4  1 8 6
-7 3 8  1 2 6  5 9 4
-
-6 7 2  5 8 1  3 4 9
-8 4 5  2 3 9  7 6 1
-3 9 1  6 4 7  8 5 2
-
-RATING: 3
-DATA:
-{"puzzle":[1,null,8,4,null,null,null,null,null,null,3,null,null,0,null,null,null,null,null,null,null,null,null,null,null,3,null,3,0,null,null,null,null,7,5,null,6,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,2,6,null,null,null,null,null,7,null,null,1,0,2,5,null,null,1,null,7,null,null,null,null,null,8,5,null,0,null],"solution":[1,7,8,4,5,3,2,6,0,5,3,6,1,0,2,4,8,7,2,4,0,7,6,8,1,3,5,3,0,4,2,1,6,7,5,8,6,8,2,5,7,0,3,1,4,7,5,1,8,3,4,0,2,6,8,6,3,0,2,7,5,4,1,0,2,5,6,4,1,8,7,3,4,1,7,3,8,5,6,0,2]}
-PUZZLE:
-2 _ 9  5 _ _  _ _ _
-_ 4 _  _ 1 _  _ _ _
-_ _ _  _ _ _  _ 4 _
-
-4 1 _  _ _ _  8 6 _
-7 _ _  _ _ _  _ _ _
-_ 6 _  _ _ _  _ 3 7
-
-_ _ _  _ _ 8  _ _ 2
-1 3 6  _ _ 2  _ 8 _
-_ _ _  _ 9 6  _ 1 _
-
-SOLUTION:
-2 8 9  5 6 4  3 7 1
-6 4 7  2 1 3  5 9 8
-3 5 1  8 7 9  2 4 6
-
-4 1 5  3 2 7  8 6 9
-7 9 3  6 8 1  4 2 5
-8 6 2  9 4 5  1 3 7
-
-9 7 4  1 3 8  6 5 2
-1 3 6  7 5 2  9 8 4
-5 2 8  4 9 6  7 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,0,1,6,5,7,null,null,null,null,null,null,null,0,null,null,2,null,6,null,null,null,null,null,null,null,null,null,2,8,7,null,null,5,null,null,null,null,null,null,8,null,null,7,3,null,null,null,null,null,null,null,3,null,4,null,6,null,7,null,8,null,null,null,null,null,5,4,null,2,null,null,null,3,null],"solution":[8,2,4,7,5,6,3,0,1,6,5,7,3,0,1,2,8,4,3,0,1,4,2,8,6,5,7,1,3,5,6,4,0,7,2,8,7,6,0,5,8,2,1,4,3,4,8,2,1,7,3,0,6,5,2,1,8,0,3,5,4,7,6,0,7,3,8,6,4,5,1,2,5,4,6,2,1,7,8,3,0]}
-PUZZLE:
-_ _ 5  _ _ _  _ 1 2
-7 6 8  _ _ _  _ _ _
-_ 1 _  _ 3 _  7 _ _
-
-_ _ _  _ _ _  _ 3 9
-8 _ _  6 _ _  _ _ _
-_ 9 _  _ 8 4  _ _ _
-
-_ _ _  _ 4 _  5 _ 7
-_ 8 _  9 _ _  _ _ _
-6 5 _  3 _ _  _ 4 _
-
-SOLUTION:
-9 3 5  8 6 7  4 1 2
-7 6 8  4 1 2  3 9 5
-4 1 2  5 3 9  7 6 8
-
-2 4 6  7 5 1  8 3 9
-8 7 1  6 9 3  2 5 4
-5 9 3  2 8 4  1 7 6
-
-3 2 9  1 4 6  5 8 7
-1 8 4  9 7 5  6 2 3
-6 5 7  3 2 8  9 4 1
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,3,4,null,2,null,8,null,8,null,null,null,6,1,7,null,2,null,2,null,null,null,null,null,null,4,null,null,4,null,3,null,null,1,null,3,null,null,null,null,8,0,null,7,null,null,null,null,null,4,null,7,6,0,null,null,1,null,null,null,5,null,null,null,null,3,null,null,null,null,null],"solution":[2,6,0,7,8,3,5,4,1,1,7,3,4,5,2,6,8,0,8,4,5,0,6,1,7,3,2,7,2,8,5,1,0,3,6,4,6,0,4,2,3,7,8,1,5,3,5,1,6,4,8,0,2,7,5,3,2,8,0,4,1,7,6,0,8,7,1,2,6,4,5,3,4,1,6,3,7,5,2,0,8]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ 4  5 _ 3  _ 9 _
-9 _ _  _ 7 2  8 _ 3
-
-_ 3 _  _ _ _  _ _ 5
-_ _ 5  _ 4 _  _ 2 _
-4 _ _  _ _ 9  1 _ 8
-
-_ _ _  _ _ 5  _ 8 7
-1 _ _  2 _ _  _ 6 _
-_ _ _  4 _ _  _ _ _
-
-SOLUTION:
-3 7 1  8 9 4  6 5 2
-2 8 4  5 6 3  7 9 1
-9 5 6  1 7 2  8 4 3
-
-8 3 9  6 2 1  4 7 5
-7 1 5  3 4 8  9 2 6
-4 6 2  7 5 9  1 3 8
-
-6 4 3  9 1 5  2 8 7
-1 9 8  2 3 7  5 6 4
-5 2 7  4 8 6  3 1 9
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,4,null,null,null,null,8,null,null,null,null,null,0,null,null,1,null,3,6,null,5,null,null,null,7,2,4,0,5,null,null,8,null,null,null,null,5,3,null,null,null,null,null,null,1,null,6,null,null,null,null,null,null,null,2,null,null,7,null,null,5,null,null,null,null,null,null,4,null,null,null,null,null,null,4,null,2,null,6],"solution":[7,0,1,4,3,6,5,2,8,5,2,4,7,8,0,6,3,1,8,3,6,1,5,2,0,4,7,2,4,0,5,7,1,8,6,3,6,7,5,3,2,8,1,0,4,3,1,8,6,0,4,7,5,2,4,6,2,0,1,7,3,8,5,1,8,3,2,6,5,4,7,0,0,5,7,8,4,3,2,1,6]}
-PUZZLE:
-8 _ _  5 _ _  _ _ 9
-_ _ _  _ _ 1  _ _ 2
-_ 4 7  _ 6 _  _ _ 8
-
-3 5 1  6 _ _  9 _ _
-_ _ 6  4 _ _  _ _ _
-_ 2 _  7 _ _  _ _ _
-
-_ _ 3  _ _ 8  _ _ 6
-_ _ _  _ _ _  5 _ _
-_ _ _  _ 5 _  3 _ 7
-
-SOLUTION:
-8 1 2  5 4 7  6 3 9
-6 3 5  8 9 1  7 4 2
-9 4 7  2 6 3  1 5 8
-
-3 5 1  6 8 2  9 7 4
-7 8 6  4 3 9  2 1 5
-4 2 9  7 1 5  8 6 3
-
-5 7 3  1 2 8  4 9 6
-2 9 4  3 7 6  5 8 1
-1 6 8  9 5 4  3 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,0,null,2,null,null,6,3,null,null,null,null,4,null,4,null,0,null,2,null,null,null,2,null,0,null,1,null,null,null,null,6,null,null,null,null,0,null,4,null,null,null,null,null,7,null,3,null,null,null,0,8,1,null,null,null,null,null,7,null,null,null,null,null,8,null,null,null,5,null,null,null,null,7,3,null],"solution":[8,1,3,7,4,5,0,6,2,0,2,6,3,8,1,5,7,4,5,4,7,0,6,2,1,8,3,2,3,0,8,1,4,6,5,7,6,7,1,5,3,0,2,4,8,4,8,5,2,7,6,3,0,1,3,0,8,1,5,7,4,2,6,7,6,2,4,0,3,8,1,5,1,5,4,6,2,8,7,3,0]}
-PUZZLE:
-_ _ _  _ _ _  1 _ 3
-_ _ 7  4 _ _  _ _ 5
-_ 5 _  1 _ 3  _ _ _
-
-3 _ 1  _ 2 _  _ _ _
-7 _ _  _ _ 1  _ 5 _
-_ _ _  _ 8 _  4 _ _
-
-_ 1 9  2 _ _  _ _ _
-8 _ _  _ _ _  9 _ _
-_ 6 _  _ _ _  8 4 _
-
-SOLUTION:
-9 2 4  8 5 6  1 7 3
-1 3 7  4 9 2  6 8 5
-6 5 8  1 7 3  2 9 4
-
-3 4 1  9 2 5  7 6 8
-7 8 2  6 4 1  3 5 9
-5 9 6  3 8 7  4 1 2
-
-4 1 9  2 6 8  5 3 7
-8 7 3  5 1 4  9 2 6
-2 6 5  7 3 9  8 4 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,6,7,null,null,null,3,2,null,null,2,null,null,null,4,8,null,null,5,null,8,null,null,3,null,6,null,0,null,null,5,null,null,7,null,1,null,null,null,4,8,null,null,3,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,6,null,null,8,null,null,7,2,null,null,null,0,null,null,4,null,0,null,null,null,null],"solution":[4,6,7,0,1,8,3,2,5,3,2,0,6,5,4,8,1,7,5,1,8,2,7,3,0,6,4,0,8,3,5,6,2,7,4,1,2,7,1,4,8,0,5,3,6,6,4,5,1,3,7,2,0,8,1,0,2,8,4,5,6,7,3,8,3,6,7,2,1,4,5,0,7,5,4,3,0,6,1,8,2]}
-PUZZLE:
-_ 7 8  _ _ _  4 3 _
-_ 3 _  _ _ 5  9 _ _
-6 _ 9  _ _ 4  _ 7 _
-
-1 _ _  6 _ _  8 _ 2
-_ _ _  5 9 _  _ 4 _
-_ _ _  _ _ _  _ _ _
-
-2 _ _  _ _ _  7 _ _
-9 _ _  8 3 _  _ _ 1
-_ _ 5  _ 1 _  _ _ _
-
-SOLUTION:
-5 7 8  1 2 9  4 3 6
-4 3 1  7 6 5  9 2 8
-6 2 9  3 8 4  1 7 5
-
-1 9 4  6 7 3  8 5 2
-3 8 2  5 9 1  6 4 7
-7 5 6  2 4 8  3 1 9
-
-2 1 3  9 5 6  7 8 4
-9 4 7  8 3 2  5 6 1
-8 6 5  4 1 7  2 9 3
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,5,null,4,null,null,8,null,null,null,null,8,null,6,null,2,8,null,5,null,null,7,null,null,null,null,null,null,4,null,null,null,null,null,2,null,null,null,null,null,3,7,null,null,0,3,null,6,null,null,null,null,null,null,null,2,null,null,null,4,6,0,null,null,null,null,null,null,null,null,null,2,4,7,null,null,null,null,null],"solution":[3,6,2,5,0,4,7,1,8,4,7,0,3,8,1,6,5,2,8,1,5,6,2,7,0,3,4,1,5,8,4,7,3,2,6,0,2,4,6,0,5,8,3,7,1,7,0,3,1,6,2,4,8,5,5,8,7,2,3,0,1,4,6,0,3,1,8,4,6,5,2,7,6,2,4,7,1,5,8,0,3]}
-PUZZLE:
-_ _ _  6 _ 5  _ _ 9
-_ _ _  _ 9 _  7 _ 3
-9 _ 6  _ _ 8  _ _ _
-
-_ _ _  5 _ _  _ _ _
-3 _ _  _ _ _  4 8 _
-_ 1 4  _ 7 _  _ _ _
-
-_ _ _  3 _ _  _ 5 7
-1 _ _  _ _ _  _ _ _
-_ 3 5  8 _ _  _ _ _
-
-SOLUTION:
-4 7 3  6 1 5  8 2 9
-5 8 1  4 9 2  7 6 3
-9 2 6  7 3 8  1 4 5
-
-2 6 9  5 8 4  3 7 1
-3 5 7  1 6 9  4 8 2
-8 1 4  2 7 3  5 9 6
-
-6 9 8  3 4 1  2 5 7
-1 4 2  9 5 7  6 3 8
-7 3 5  8 2 6  9 1 4
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,5,null,null,null,null,3,5,null,null,null,null,1,6,null,null,2,3,null,null,null,4,null,null,8,null,2,null,8,5,null,1,null,null,3,null,null,null,6,0,4,null,5,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,8,null,null,null,null,null,3,null,null,null,null,0,null,null,null,null,null,null,null,5,null],"solution":[7,1,6,5,8,2,0,4,3,5,4,8,0,3,1,6,7,2,2,3,0,6,7,4,5,1,8,6,2,4,8,5,3,1,0,7,3,8,7,1,6,0,4,2,5,1,0,5,2,4,7,3,8,6,0,6,1,7,2,5,8,3,4,4,5,2,3,1,8,7,6,0,8,7,3,4,0,6,2,5,1]}
-PUZZLE:
-8 _ _  6 _ _  _ _ 4
-6 _ _  _ _ 2  7 _ _
-3 4 _  _ _ 5  _ _ 9
-
-_ 3 _  9 6 _  2 _ _
-4 _ _  _ 7 1  5 _ 6
-_ _ _  _ _ _  _ _ _
-
-_ _ 2  _ _ _  9 _ _
-_ _ _  4 _ _  _ _ 1
-_ _ _  _ _ _  _ 6 _
-
-SOLUTION:
-8 2 7  6 9 3  1 5 4
-6 5 9  1 4 2  7 8 3
-3 4 1  7 8 5  6 2 9
-
-7 3 5  9 6 4  2 1 8
-4 9 8  2 7 1  5 3 6
-2 1 6  3 5 8  4 9 7
-
-1 7 2  8 3 6  9 4 5
-5 6 3  4 2 9  8 7 1
-9 8 4  5 1 7  3 6 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,null,null,7,0,null,4,null,6,2,null,1,3,null,null,null,6,null,0,5,null,null,null,null,2,null,3,null,null,0,null,null,3,null,7,null,null,null,null,null,5,null,null,null,null,1,null,6,8,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,2,5,null],"solution":[4,2,6,0,5,3,1,7,8,5,7,0,8,4,1,6,2,3,1,3,8,2,7,6,4,0,5,8,4,7,1,2,5,3,6,0,0,1,2,3,6,7,5,8,4,3,6,5,4,8,0,7,1,2,6,8,3,5,1,2,0,4,7,2,5,1,7,0,4,8,3,6,7,0,4,6,3,8,2,5,1]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 _
-_ 8 1  _ 5 _  7 3 _
-2 4 _  _ _ 7  _ 1 6
-
-_ _ _  _ 3 _  4 _ _
-1 _ _  4 _ 8  _ _ _
-_ _ 6  _ _ _  _ 2 _
-
-7 9 _  _ 2 _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ 5  _ _ _  3 6 _
-
-SOLUTION:
-5 3 7  1 6 4  2 8 9
-6 8 1  9 5 2  7 3 4
-2 4 9  3 8 7  5 1 6
-
-9 5 8  2 3 6  4 7 1
-1 2 3  4 7 8  6 9 5
-4 7 6  5 9 1  8 2 3
-
-7 9 4  6 2 3  1 5 8
-3 6 2  8 1 5  9 4 7
-8 1 5  7 4 9  3 6 2
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,5,null,1,null,null,null,null,null,null,1,8,null,null,null,null,5,null,null,null,3,null,null,8,null,2,8,7,null,null,4,null,null,null,null,null,null,null,null,3,null,6,null,null,null,4,null,null,7,null,2,null,null,null,null,null,0,null,null,4,null,null,null,null,4,null,null,null,null,5,7,null,null,null,7,5,null,null,null,0],"solution":[2,8,5,4,1,7,0,3,6,6,3,1,8,0,2,7,4,5,4,0,7,3,6,5,8,1,2,8,7,2,1,4,6,5,0,3,5,1,0,2,3,8,6,7,4,3,4,6,5,7,0,2,8,1,7,5,3,0,2,1,4,6,8,0,2,4,6,8,3,1,5,7,1,6,8,7,5,4,3,2,0]}
-PUZZLE:
-_ _ 6  _ 2 _  _ _ _
-_ _ 2  9 _ _  _ _ 6
-_ _ _  4 _ _  9 _ 3
-
-9 8 _  _ 5 _  _ _ _
-_ _ _  _ 4 _  7 _ _
-_ 5 _  _ 8 _  3 _ _
-
-_ _ _  1 _ _  5 _ _
-_ _ 5  _ _ _  _ 6 8
-_ _ _  8 6 _  _ _ 1
-
-SOLUTION:
-3 9 6  5 2 8  1 4 7
-7 4 2  9 1 3  8 5 6
-5 1 8  4 7 6  9 2 3
-
-9 8 3  2 5 7  6 1 4
-6 2 1  3 4 9  7 8 5
-4 5 7  6 8 1  3 9 2
-
-8 6 4  1 3 2  5 7 9
-1 3 5  7 9 4  2 6 8
-2 7 9  8 6 5  4 3 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,6,null,null,null,null,null,null,null,null,null,null,1,7,8,null,null,null,null,4,null,3,null,5,null,null,null,5,null,0,null,null,1,6,2,null,null,null,null,7,null,null,3,6,0,null,null,null,null,null,null,null,null,4,null,null,null,2,null,null,null,null,3,1,8,null,null,null,7,null,null,null,null,null,5,null,null,null,null],"solution":[4,8,0,6,7,5,3,2,1,3,5,6,0,2,1,7,8,4,1,2,7,4,8,3,6,5,0,8,7,5,3,0,4,2,1,6,2,1,4,5,6,7,8,0,3,6,0,3,2,1,8,5,4,7,0,4,8,7,3,2,1,6,5,5,3,1,8,4,6,0,7,2,7,6,2,1,5,0,4,3,8]}
-PUZZLE:
-_ _ _  7 _ _  _ _ _
-_ _ _  _ _ 2  8 9 _
-_ _ _  5 _ 4  _ 6 _
-
-_ _ 6  _ 1 _  _ 2 7
-3 _ _  _ _ 8  _ _ 4
-7 1 _  _ _ _  _ _ _
-
-_ 5 _  _ _ 3  _ _ _
-_ 4 2  9 _ _  _ 8 _
-_ _ _  _ 6 _  _ _ _
-
-SOLUTION:
-5 9 1  7 8 6  4 3 2
-4 6 7  1 3 2  8 9 5
-2 3 8  5 9 4  7 6 1
-
-9 8 6  4 1 5  3 2 7
-3 2 5  6 7 8  9 1 4
-7 1 4  3 2 9  6 5 8
-
-1 5 9  8 4 3  2 7 6
-6 4 2  9 5 7  1 8 3
-8 7 3  2 6 1  5 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,null,null,2,null,null,null,null,null,null,null,null,null,null,7,null,1,5,3,7,4,null,null,null,null,null,null,null,6,null,0,null,null,5,null,1,5,null,null,null,2,null,null,null,4,null,null,5,7,null,null,1,null,null,null,null,null,null,0,8,4,null,null,null,4,null,5,null,null,null,7,null,null,null,8,null,3,null,0,null],"solution":[6,8,1,0,2,7,5,3,4,0,4,2,6,3,5,7,8,1,5,3,7,4,1,8,6,2,0,3,7,6,1,0,4,2,5,8,1,5,0,3,8,2,4,7,6,4,2,8,5,7,6,0,1,3,2,1,3,7,6,0,8,4,5,8,0,4,2,5,1,3,6,7,7,6,5,8,4,3,1,0,2]}
-PUZZLE:
-7 _ _  _ 3 _  _ _ _
-_ _ _  _ _ _  8 _ 2
-6 4 8  5 _ _  _ _ _
-
-_ _ 7  _ 1 _  _ 6 _
-2 6 _  _ _ 3  _ _ _
-5 _ _  6 8 _  _ 2 _
-
-_ _ _  _ _ 1  9 5 _
-_ _ 5  _ 6 _  _ _ 8
-_ _ _  9 _ 4  _ 1 _
-
-SOLUTION:
-7 9 2  1 3 8  6 4 5
-1 5 3  7 4 6  8 9 2
-6 4 8  5 2 9  7 3 1
-
-4 8 7  2 1 5  3 6 9
-2 6 1  4 9 3  5 8 7
-5 3 9  6 8 7  1 2 4
-
-3 2 4  8 7 1  9 5 6
-9 1 5  3 6 2  4 7 8
-8 7 6  9 5 4  2 1 3
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,8,null,null,null,6,5,null,null,null,null,1,2,null,null,null,3,null,null,null,null,0,null,null,null,null,null,2,6,null,null,7,null,null,null,null,7,4,5,null,null,null,6,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,0,6,4,1,null,null,3,null,null,null,2,null,null,null,5,null,8,null,null,4],"solution":[0,8,4,3,1,6,5,2,7,6,7,1,2,4,5,0,3,8,5,2,3,0,8,7,4,6,1,2,6,0,8,7,3,1,4,5,7,4,5,1,0,2,6,8,3,1,3,8,6,5,4,2,7,0,8,5,7,4,2,1,3,0,6,4,1,6,7,3,0,8,5,2,3,0,2,5,6,8,7,1,4]}
-PUZZLE:
-_ 9 _  _ _ 7  6 _ _
-_ _ 2  3 _ _  _ 4 _
-_ _ _  1 _ _  _ _ _
-
-3 7 _  _ 8 _  _ _ _
-8 5 6  _ _ _  7 _ _
-_ _ _  _ _ 5  _ _ _
-
-_ _ _  _ _ _  _ 1 7
-5 2 _  _ 4 _  _ _ 3
-_ _ _  6 _ 9  _ _ 5
-
-SOLUTION:
-1 9 5  4 2 7  6 3 8
-7 8 2  3 5 6  1 4 9
-6 3 4  1 9 8  5 7 2
-
-3 7 1  9 8 4  2 5 6
-8 5 6  2 1 3  7 9 4
-2 4 9  7 6 5  3 8 1
-
-9 6 8  5 3 2  4 1 7
-5 2 7  8 4 1  9 6 3
-4 1 3  6 7 9  8 2 5
-
-RATING: 2.75
-DATA:
-{"puzzle":[4,null,null,null,1,null,null,null,6,null,2,0,null,5,null,null,7,null,null,null,null,null,null,0,8,null,null,null,null,1,null,8,7,null,null,0,null,4,2,null,null,null,6,null,null,null,3,null,null,null,null,null,1,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,8,5,3,null,2,null,null],"solution":[4,8,3,7,1,2,5,0,6,6,2,0,8,5,3,1,7,4,1,7,5,6,4,0,8,3,2,5,6,1,4,8,7,3,2,0,8,4,2,3,0,1,6,5,7,0,3,7,2,6,5,4,1,8,3,1,4,0,2,8,7,6,5,2,5,6,1,7,4,0,8,3,7,0,8,5,3,6,2,4,1]}
-PUZZLE:
-5 _ _  _ 2 _  _ _ 7
-_ 3 1  _ 6 _  _ 8 _
-_ _ _  _ _ 1  9 _ _
-
-_ _ 2  _ 9 8  _ _ 1
-_ 5 3  _ _ _  7 _ _
-_ 4 _  _ _ _  _ 2 _
-
-4 _ _  _ _ _  _ _ _
-_ _ _  _ _ 5  _ _ _
-_ _ 9  6 4 _  3 _ _
-
-SOLUTION:
-5 9 4  8 2 3  6 1 7
-7 3 1  9 6 4  2 8 5
-2 8 6  7 5 1  9 4 3
-
-6 7 2  5 9 8  4 3 1
-9 5 3  4 1 2  7 6 8
-1 4 8  3 7 6  5 2 9
-
-4 2 5  1 3 9  8 7 6
-3 6 7  2 8 5  1 9 4
-8 1 9  6 4 7  3 5 2
-
-RATING: 2.75
-DATA:
-{"puzzle":[2,null,null,8,null,null,null,null,null,null,null,6,7,null,null,null,null,null,null,null,1,null,null,null,null,6,7,null,3,null,null,null,1,4,null,null,null,null,5,null,null,8,2,null,3,null,null,null,4,null,null,null,null,null,null,null,null,null,null,5,1,null,null,null,null,null,null,null,null,null,null,4,4,8,0,null,null,3,null,null,null],"solution":[2,7,4,8,5,6,3,1,0,3,5,6,7,1,0,8,4,2,8,0,1,3,2,4,5,6,7,0,3,2,5,7,1,4,8,6,1,4,5,6,0,8,2,7,3,7,6,8,4,3,2,0,5,1,6,2,7,0,4,5,1,3,8,5,1,3,2,8,7,6,0,4,4,8,0,1,6,3,7,2,5]}
-PUZZLE:
-3 _ _  9 _ _  _ _ _
-_ _ 7  8 _ _  _ _ _
-_ _ 2  _ _ _  _ 7 8
-
-_ 4 _  _ _ 2  5 _ _
-_ _ 6  _ _ 9  3 _ 4
-_ _ _  5 _ _  _ _ _
-
-_ _ _  _ _ 6  2 _ _
-_ _ _  _ _ _  _ _ 5
-5 9 1  _ _ 4  _ _ _
-
-SOLUTION:
-3 8 5  9 6 7  4 2 1
-4 6 7  8 2 1  9 5 3
-9 1 2  4 3 5  6 7 8
-
-1 4 3  6 8 2  5 9 7
-2 5 6  7 1 9  3 8 4
-8 7 9  5 4 3  1 6 2
-
-7 3 8  1 5 6  2 4 9
-6 2 4  3 9 8  7 1 5
-5 9 1  2 7 4  8 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,null,null,null,6,5,null,null,null,4,null,null,2,4,null,null,3,null,null,6,1,8,null,null,null,0,null,null,null,null,null,null,null,null,null,null,3,1,null,null,null,6,7,null,3,8,null,null,null,null,8,null,null,null,null,null,5,3,null,null,2,null,1,null,null,null,null,0,null,null,null,null,null,null,2],"solution":[1,8,3,6,4,5,7,2,0,7,6,5,0,1,2,4,8,3,2,4,0,8,3,7,5,6,1,8,3,4,1,0,6,2,5,7,0,7,2,5,8,4,3,1,6,5,1,6,7,2,3,8,0,4,6,2,8,4,7,0,1,3,5,3,5,7,2,6,1,0,4,8,4,0,1,3,5,8,6,7,2]}
-PUZZLE:
-_ _ _  _ _ 6  _ _ _
-_ 7 6  _ _ _  5 _ _
-3 5 _  _ 4 _  _ 7 2
-
-9 _ _  _ 1 _  _ _ _
-_ _ _  _ _ _  4 2 _
-_ _ 7  8 _ 4  9 _ _
-
-_ _ 9  _ _ _  _ _ 6
-4 _ _  3 _ 2  _ _ _
-_ 1 _  _ _ _  _ _ 3
-
-SOLUTION:
-2 9 4  7 5 6  8 3 1
-8 7 6  1 2 3  5 9 4
-3 5 1  9 4 8  6 7 2
-
-9 4 5  2 1 7  3 6 8
-1 8 3  6 9 5  4 2 7
-6 2 7  8 3 4  9 1 5
-
-7 3 9  5 8 1  2 4 6
-4 6 8  3 7 2  1 5 9
-5 1 2  4 6 9  7 8 3
-
-RATING: 2
-DATA:
-{"puzzle":[null,1,null,null,null,null,6,8,null,null,null,5,6,null,null,null,2,null,2,null,null,null,null,null,null,7,null,1,null,null,7,2,null,null,null,null,null,3,null,null,null,null,null,5,null,null,6,null,null,3,4,null,null,null,null,null,null,null,5,null,0,6,null,4,null,null,null,null,0,8,null,null,null,null,null,null,null,null,null,1,7],"solution":[0,1,3,4,7,2,6,8,5,8,7,5,6,0,1,4,2,3,2,4,6,5,8,3,1,7,0,1,0,8,7,2,5,3,4,6,7,3,4,0,1,6,2,5,8,5,6,2,8,3,4,7,0,1,3,8,1,2,5,7,0,6,4,4,5,7,1,6,0,8,3,2,6,2,0,3,4,8,5,1,7]}
-PUZZLE:
-_ 2 _  _ _ _  7 9 _
-_ _ 6  7 _ _  _ 3 _
-3 _ _  _ _ _  _ 8 _
-
-2 _ _  8 3 _  _ _ _
-_ 4 _  _ _ _  _ 6 _
-_ 7 _  _ 4 5  _ _ _
-
-_ _ _  _ 6 _  1 7 _
-5 _ _  _ _ 1  9 _ _
-_ _ _  _ _ _  _ 2 8
-
-SOLUTION:
-1 2 4  5 8 3  7 9 6
-9 8 6  7 1 2  5 3 4
-3 5 7  6 9 4  2 8 1
-
-2 1 9  8 3 6  4 5 7
-8 4 5  1 2 7  3 6 9
-6 7 3  9 4 5  8 1 2
-
-4 9 2  3 6 8  1 7 5
-5 6 8  2 7 1  9 4 3
-7 3 1  4 5 9  6 2 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,null,3,4,8,null,0,null,null,2,null,0,null,null,6,null,null,null,null,null,null,0,null,null,8,null,null,null,null,7,null,null,null,null,4,null,1,null,null,6,null,5,null,3,null,null,1,null,5,null,null,4,null,8,4,null,null,null,null,null,null,null,2,null,6,null,1,null,null,null,null],"solution":[5,8,0,1,2,6,4,3,7,1,6,7,3,4,8,2,0,5,4,2,3,0,7,5,6,1,8,6,7,4,5,0,3,1,8,2,3,5,2,7,8,1,0,6,4,0,1,8,2,6,4,5,7,3,7,0,1,8,5,2,3,4,6,8,4,5,6,3,0,7,2,1,2,3,6,4,1,7,8,5,0]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ _  4 5 9  _ 1 _
-_ 3 _  1 _ _  7 _ _
-
-_ _ _  _ 1 _  _ 9 _
-_ _ _  8 _ _  _ _ 5
-_ 2 _  _ 7 _  6 _ 4
-
-_ _ 2  _ 6 _  _ 5 _
-9 5 _  _ _ _  _ _ _
-3 _ 7  _ 2 _  _ _ _
-
-SOLUTION:
-6 9 1  2 3 7  5 4 8
-2 7 8  4 5 9  3 1 6
-5 3 4  1 8 6  7 2 9
-
-7 8 5  6 1 4  2 9 3
-4 6 3  8 9 2  1 7 5
-1 2 9  3 7 5  6 8 4
-
-8 1 2  9 6 3  4 5 7
-9 5 6  7 4 1  8 3 2
-3 4 7  5 2 8  9 6 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,6,null,null,null,null,null,null,3,null,null,2,null,6,0,5,null,null,4,null,1,null,null,2,null,6,null,null,8,null,null,7,null,null,null,null,0,2,null,4,null,null,null,1,0,5,null,null,null,null,null,8,null,null,null,null,null,1,null,null,null,2,null,null,null,null,null,null,8,null,null,null,null,5,null,null,null,null],"solution":[2,0,7,3,6,5,8,4,1,1,4,3,8,7,2,5,6,0,5,8,6,4,0,1,7,3,2,3,6,2,1,8,4,0,7,5,7,5,8,0,2,6,4,1,3,4,1,0,5,3,7,2,8,6,8,3,5,6,4,0,1,2,7,0,2,4,7,1,3,6,5,8,6,7,1,2,5,8,3,0,4]}
-PUZZLE:
-_ _ _  _ 7 _  _ _ _
-_ _ 4  _ _ 3  _ 7 1
-6 _ _  5 _ 2  _ _ 3
-
-_ 7 _  _ 9 _  _ 8 _
-_ _ _  1 3 _  5 _ _
-_ 2 1  6 _ _  _ _ _
-
-9 _ _  _ _ _  2 _ _
-_ 3 _  _ _ _  _ _ 9
-_ _ _  _ 6 _  _ _ _
-
-SOLUTION:
-3 1 8  4 7 6  9 5 2
-2 5 4  9 8 3  6 7 1
-6 9 7  5 1 2  8 4 3
-
-4 7 3  2 9 5  1 8 6
-8 6 9  1 3 7  5 2 4
-5 2 1  6 4 8  3 9 7
-
-9 4 6  7 5 1  2 3 8
-1 3 5  8 2 4  7 6 9
-7 8 2  3 6 9  4 1 5
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,8,null,3,null,2,0,null,7,null,3,null,null,null,null,null,null,null,null,2,7,null,null,5,4,null,null,5,7,null,null,4,null,null,null,null,null,null,null,1,null,null,null,0,4,null,null,null,null,8,null,null,null,null,null,null,null,5,null,null,null,6,1,null,null,null,null,null,null,3,null,null,null,null,null,null,7,null,null,5,8],"solution":[4,8,5,3,6,2,0,1,7,6,3,0,7,1,4,5,8,2,1,2,7,8,0,5,4,3,6,5,7,8,0,4,6,1,2,3,2,6,3,1,5,7,8,0,4,0,1,4,2,8,3,6,7,5,8,4,2,5,3,0,7,6,1,7,5,1,6,2,8,3,4,0,3,0,6,4,7,1,2,5,8]}
-PUZZLE:
-_ 9 _  4 _ 3  1 _ 8
-_ 4 _  _ _ _  _ _ _
-_ 3 8  _ _ 6  5 _ _
-
-6 8 _  _ 5 _  _ _ _
-_ _ _  2 _ _  _ 1 5
-_ _ _  _ 9 _  _ _ _
-
-_ _ _  6 _ _  _ 7 2
-_ _ _  _ _ _  4 _ _
-_ _ _  _ 8 _  _ 6 9
-
-SOLUTION:
-5 9 6  4 7 3  1 2 8
-7 4 1  8 2 5  6 9 3
-2 3 8  9 1 6  5 4 7
-
-6 8 9  1 5 7  2 3 4
-3 7 4  2 6 8  9 1 5
-1 2 5  3 9 4  7 8 6
-
-9 5 3  6 4 1  8 7 2
-8 6 2  7 3 9  4 5 1
-4 1 7  5 8 2  3 6 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,8,null,null,null,4,0,null,null,null,0,1,7,null,null,4,null,null,null,1,null,2,3,null,null,null,0,5,null,null,null,null,0,null,4,null,null,null,null,null,8,null,null,6,3,null,null,8,3,null,null,null,null,5,2,4,null,null,null,null,null,7,null,null,null,null,null,null,null,2,null,null],"solution":[4,6,2,0,1,3,5,8,7,7,8,5,6,2,4,0,3,1,3,0,1,7,5,8,4,2,6,8,1,4,2,3,6,7,5,0,5,3,6,1,7,0,8,4,2,0,2,7,4,8,5,1,6,3,1,7,8,3,4,2,6,0,5,2,4,0,5,6,1,3,7,8,6,5,3,8,0,7,2,1,4]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 9 _  _ _ 5  1 _ _
-_ 1 2  8 _ _  5 _ _
-
-_ 2 _  3 4 _  _ _ 1
-6 _ _  _ _ 1  _ 5 _
-_ _ _  _ 9 _  _ 7 4
-
-_ _ 9  4 _ _  _ _ 6
-3 5 _  _ _ _  _ 8 _
-_ _ _  _ _ _  3 _ _
-
-SOLUTION:
-5 7 3  1 2 4  6 9 8
-8 9 6  7 3 5  1 4 2
-4 1 2  8 6 9  5 3 7
-
-9 2 5  3 4 7  8 6 1
-6 4 7  2 8 1  9 5 3
-1 3 8  5 9 6  2 7 4
-
-2 8 9  4 5 3  7 1 6
-3 5 1  6 7 2  4 8 9
-7 6 4  9 1 8  3 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,null,null,5,null,3,null,null,null,null,null,2,null,null,null,6,0,null,null,null,null,null,1,null,null,null,null,null,1,0,null,null,null,null,null,null,null,7,8,null,null,null,5,3,null,null,0,null,null,null,null,7,8,null,8,null,6,null,null,2,null,null,2,null,3,null,null,null,null,null,1,null,null,null,null,null,null,null,3,null],"solution":[6,4,8,7,5,0,3,1,2,3,1,5,2,8,4,7,6,0,7,0,2,3,6,1,5,8,4,8,3,1,0,7,5,4,2,6,4,2,7,8,1,6,0,5,3,5,6,0,4,2,3,1,7,8,1,8,4,6,3,7,2,0,5,2,7,3,5,0,8,6,4,1,0,5,6,1,4,2,8,3,7]}
-PUZZLE:
-7 _ _  _ 6 _  4 _ _
-_ _ _  3 _ _  _ 7 1
-_ _ _  _ _ 2  _ _ _
-
-_ _ 2  1 _ _  _ _ _
-_ _ 8  9 _ _  _ 6 4
-_ _ 1  _ _ _  _ 8 9
-
-_ 9 _  7 _ _  3 _ _
-3 _ 4  _ _ _  _ _ 2
-_ _ _  _ _ _  _ 4 _
-
-SOLUTION:
-7 5 9  8 6 1  4 2 3
-4 2 6  3 9 5  8 7 1
-8 1 3  4 7 2  6 9 5
-
-9 4 2  1 8 6  5 3 7
-5 3 8  9 2 7  1 6 4
-6 7 1  5 3 4  2 8 9
-
-2 9 5  7 4 8  3 1 6
-3 8 4  6 1 9  7 5 2
-1 6 7  2 5 3  9 4 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,7,null,null,4,null,null,0,null,null,null,2,null,0,1,null,null,null,8,null,null,null,null,6,null,null,0,null,5,0,null,null,null,null,3,8,null,3,null,0,2,null,6,null,null,null,null,8,7,null,null,null,null,null,3,null,null,null,null,null,null,1,null,1,0,null,null,null,null,7,2,null],"solution":[0,1,3,6,5,7,4,8,2,5,7,6,8,4,2,3,0,1,4,8,2,3,0,1,5,6,7,8,2,4,5,3,6,1,7,0,6,5,0,1,7,4,2,3,8,7,3,1,0,2,8,6,5,4,2,6,8,7,1,5,0,4,3,3,4,7,2,6,0,8,1,5,1,0,5,4,8,3,7,2,6]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 8 _  _ 5 _  _ 1 _
-_ _ 3  _ 1 2  _ _ _
-
-9 _ _  _ _ 7  _ _ 1
-_ 6 1  _ _ _  _ 4 9
-_ 4 _  1 3 _  7 _ _
-
-_ _ 9  8 _ _  _ _ _
-4 _ _  _ _ _  _ 2 _
-2 1 _  _ _ _  8 3 _
-
-SOLUTION:
-1 2 4  7 6 8  5 9 3
-6 8 7  9 5 3  4 1 2
-5 9 3  4 1 2  6 7 8
-
-9 3 5  6 4 7  2 8 1
-7 6 1  2 8 5  3 4 9
-8 4 2  1 3 9  7 6 5
-
-3 7 9  8 2 6  1 5 4
-4 5 8  3 7 1  9 2 6
-2 1 6  5 9 4  8 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,null,5,2,null,null,5,null,null,null,8,null,null,null,1,null,null,4,null,null,null,null,null,null,null,null,3,2,null,null,null,6,null,1,null,null,null,null,6,null,null,null,null,null,7,8,null,null,null,0,null,null,1,null,null,0,null,null,null,null,7,null,2,null,5,null,8,null,null,null,null,5,3,null,null,null,null,4],"solution":[0,8,1,4,3,5,2,7,6,5,7,6,0,8,2,3,4,1,2,3,4,1,6,7,0,5,8,8,5,3,2,4,0,1,6,7,1,2,0,5,7,6,4,8,3,4,6,7,8,1,3,5,0,2,3,1,8,7,0,4,6,2,5,7,4,2,6,5,1,8,3,0,6,0,5,3,2,8,7,1,4]}
-PUZZLE:
-_ 9 _  _ _ 6  3 _ _
-6 _ _  _ 9 _  _ _ 2
-_ _ 5  _ _ _  _ _ _
-
-_ _ 4  3 _ _  _ 7 _
-2 _ _  _ _ 7  _ _ _
-_ _ 8  9 _ _  _ 1 _
-
-_ 2 _  _ 1 _  _ _ _
-8 _ 3  _ 6 _  9 _ _
-_ _ 6  4 _ _  _ _ 5
-
-SOLUTION:
-1 9 2  5 4 6  3 8 7
-6 8 7  1 9 3  4 5 2
-3 4 5  2 7 8  1 6 9
-
-9 6 4  3 5 1  2 7 8
-2 3 1  6 8 7  5 9 4
-5 7 8  9 2 4  6 1 3
-
-4 2 9  8 1 5  7 3 6
-8 5 3  7 6 2  9 4 1
-7 1 6  4 3 9  8 2 5
-
-RATING: 3.25
-DATA:
-{"puzzle":[4,null,null,null,null,6,null,7,null,5,6,null,0,2,null,null,1,null,null,null,null,1,null,null,null,null,null,null,3,null,null,null,null,8,null,null,null,null,null,5,null,null,null,null,6,null,null,5,null,0,null,2,null,null,6,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,3,0,null,null,2,null,3,null,7,null,8],"solution":[4,2,1,3,8,6,0,7,5,5,6,8,0,2,7,4,1,3,3,7,0,1,5,4,6,8,2,0,3,6,7,4,2,8,5,1,2,4,7,5,1,8,3,0,6,8,1,5,6,0,3,2,4,7,6,0,3,8,7,1,5,2,4,7,8,4,2,6,5,1,3,0,1,5,2,4,3,0,7,6,8]}
-PUZZLE:
-5 _ _  _ _ 7  _ 8 _
-6 7 _  1 3 _  _ 2 _
-_ _ _  2 _ _  _ _ _
-
-_ 4 _  _ _ _  9 _ _
-_ _ _  6 _ _  _ _ 7
-_ _ 6  _ 1 _  3 _ _
-
-7 _ _  _ _ 2  _ _ _
-_ _ _  _ _ _  _ 4 1
-_ _ 3  _ 4 _  8 _ 9
-
-SOLUTION:
-5 3 2  4 9 7  1 8 6
-6 7 9  1 3 8  5 2 4
-4 8 1  2 6 5  7 9 3
-
-1 4 7  8 5 3  9 6 2
-3 5 8  6 2 9  4 1 7
-9 2 6  7 1 4  3 5 8
-
-7 1 4  9 8 2  6 3 5
-8 9 5  3 7 6  2 4 1
-2 6 3  5 4 1  8 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,6,7,null,null,3,null,null,null,null,null,null,3,0,null,5,null,null,null,null,8,null,null,0,null,null,null,3,null,null,null,null,6,null,null,4,2,null,3,null,null,null,null,null,null,null,7,4,null,5,null,null,0,2,null,null,null,null,null,null,null,5,null,null,null,null,null,2,null,7,null,0,4,null],"solution":[2,5,1,7,8,4,3,0,6,7,4,8,3,0,6,1,5,2,6,3,0,2,5,1,7,8,4,8,2,6,0,4,7,5,3,1,5,1,7,6,3,8,4,2,0,3,0,4,5,1,2,8,6,7,4,8,5,1,6,0,2,7,3,0,7,3,4,2,5,6,1,8,1,6,2,8,7,3,0,4,5]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 7
-8 _ _  4 _ _  _ _ _
-_ 4 1  _ 6 _  _ _ _
-
-9 _ _  1 _ _  _ 4 _
-_ _ _  7 _ _  5 3 _
-4 _ _  _ _ _  _ _ 8
-
-5 _ 6  _ _ 1  3 _ _
-_ _ _  _ _ 6  _ _ _
-_ _ 3  _ 8 _  1 5 _
-
-SOLUTION:
-3 6 2  8 9 5  4 1 7
-8 5 9  4 1 7  2 6 3
-7 4 1  3 6 2  8 9 5
-
-9 3 7  1 5 8  6 4 2
-6 2 8  7 4 9  5 3 1
-4 1 5  6 2 3  9 7 8
-
-5 9 6  2 7 1  3 8 4
-1 8 4  5 3 6  7 2 9
-2 7 3  9 8 4  1 5 6
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,7,null,null,8,null,null,null,null,0,null,4,null,null,null,3,null,null,null,8,null,null,null,null,null,null,null,5,null,null,6,null,null,null,null,null,null,null,null,null,0,null,null,null,null,6,null,1,null,null,null,2,null,null,null,null,null,2,null,1,0,7,null,null,6,8,null,3,null,null,2,4,null,2,null,5,null,null,6,3],"solution":[5,4,7,2,3,8,0,1,6,2,0,1,4,7,6,5,3,8,6,3,8,5,0,1,2,7,4,8,5,0,3,6,2,7,4,1,1,2,3,7,4,0,6,8,5,7,6,4,1,8,5,3,2,0,3,8,5,6,2,4,1,0,7,0,7,6,8,1,3,4,5,2,4,1,2,0,5,7,8,6,3]}
-PUZZLE:
-6 _ 8  _ _ 9  _ _ _
-_ 1 _  5 _ _  _ 4 _
-_ _ 9  _ _ _  _ _ _
-
-_ 6 _  _ 7 _  _ _ _
-_ _ _  _ _ 1  _ _ _
-_ 7 _  2 _ _  _ 3 _
-
-_ _ _  _ 3 _  2 1 8
-_ _ 7  9 _ 4  _ _ 3
-5 _ 3  _ 6 _  _ 7 4
-
-SOLUTION:
-6 5 8  3 4 9  1 2 7
-3 1 2  5 8 7  6 4 9
-7 4 9  6 1 2  3 8 5
-
-9 6 1  4 7 3  8 5 2
-2 3 4  8 5 1  7 9 6
-8 7 5  2 9 6  4 3 1
-
-4 9 6  7 3 5  2 1 8
-1 8 7  9 2 4  5 6 3
-5 2 3  1 6 8  9 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,2,null,null,null,null,null,null,null,null,7,6,1,null,null,null,5,null,3,null,8,null,null,null,6,null,7,null,null,null,null,null,null,5,null,null,8,null,4,null,1,null,null,null,3,0,null,null,2,null,null,4,7,1,null,null,null,6,null,null,null,null,null,null,null,null,null,null,2,1,3,null,null,null,null,null,null,null,null,null],"solution":[0,6,2,3,5,7,4,8,1,8,4,7,6,1,0,3,2,5,5,3,1,8,4,2,7,6,0,7,1,4,0,3,6,8,5,2,2,8,5,4,7,1,0,3,6,3,0,6,5,2,8,1,4,7,1,7,8,2,6,3,5,0,4,6,5,0,7,8,4,2,1,3,4,2,3,1,0,5,6,7,8]}
-PUZZLE:
-1 _ 3  _ _ _  _ _ _
-_ _ 8  7 2 _  _ _ 6
-_ 4 _  9 _ _  _ 7 _
-
-8 _ _  _ _ _  _ 6 _
-_ 9 _  5 _ 2  _ _ _
-4 1 _  _ 3 _  _ 5 8
-
-2 _ _  _ 7 _  _ _ _
-_ _ _  _ _ _  3 2 4
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-1 7 3  4 6 8  5 9 2
-9 5 8  7 2 1  4 3 6
-6 4 2  9 5 3  8 7 1
-
-8 2 5  1 4 7  9 6 3
-3 9 6  5 8 2  1 4 7
-4 1 7  6 3 9  2 5 8
-
-2 8 9  3 7 4  6 1 5
-7 6 1  8 9 5  3 2 4
-5 3 4  2 1 6  7 8 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[1,null,null,null,4,null,5,null,null,null,null,null,null,8,null,null,2,null,0,null,4,null,null,null,null,null,null,4,null,null,null,6,1,null,null,8,null,null,null,null,null,5,null,null,null,7,8,null,null,null,null,0,null,null,3,null,null,null,null,null,2,null,1,null,null,null,4,null,null,null,3,null,null,null,null,null,0,7,8,null,null],"solution":[1,2,8,7,4,3,5,6,0,5,6,3,1,8,0,7,2,4,0,7,4,5,2,6,1,8,3,4,5,2,0,6,1,3,7,8,6,3,0,8,7,5,4,1,2,7,8,1,2,3,4,0,5,6,3,4,7,6,5,8,2,0,1,8,0,5,4,1,2,6,3,7,2,1,6,3,0,7,8,4,5]}
-PUZZLE:
-2 _ _  _ 5 _  6 _ _
-_ _ _  _ 9 _  _ 3 _
-1 _ 5  _ _ _  _ _ _
-
-5 _ _  _ 7 2  _ _ 9
-_ _ _  _ _ 6  _ _ _
-8 9 _  _ _ _  1 _ _
-
-4 _ _  _ _ _  3 _ 2
-_ _ _  5 _ _  _ 4 _
-_ _ _  _ 1 8  9 _ _
-
-SOLUTION:
-2 3 9  8 5 4  6 7 1
-6 7 4  2 9 1  8 3 5
-1 8 5  6 3 7  2 9 4
-
-5 6 3  1 7 2  4 8 9
-7 4 1  9 8 6  5 2 3
-8 9 2  3 4 5  1 6 7
-
-4 5 8  7 6 9  3 1 2
-9 1 6  5 2 3  7 4 8
-3 2 7  4 1 8  9 5 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,8,6,null,null,null,2,null,0,null,null,null,1,null,3,null,7,3,null,null,0,null,null,null,4,null,null,null,3,null,null,null,null,null,4,6,7,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,0,null,null,null,2,null,6,null,null,null,null,5,null,8,1,null,null,null,null,4,null,null,0,null,8,null],"solution":[4,5,8,6,3,7,0,2,1,0,6,2,8,1,4,3,5,7,3,1,7,0,2,5,8,4,6,2,8,3,7,0,6,5,1,4,6,7,0,4,5,1,2,3,8,5,4,1,2,8,3,6,7,0,8,0,5,1,7,2,4,6,3,7,3,6,5,4,8,1,0,2,1,2,4,3,6,0,7,8,5]}
-PUZZLE:
-_ _ 9  7 _ _  _ 3 _
-1 _ _  _ 2 _  4 _ 8
-4 _ _  1 _ _  _ 5 _
-
-_ _ 4  _ _ _  _ _ 5
-7 8 _  _ _ _  _ _ _
-6 _ _  _ _ _  _ _ _
-
-_ 1 _  _ _ 3  _ 7 _
-_ _ _  6 _ 9  2 _ _
-_ _ 5  _ _ 1  _ 9 _
-
-SOLUTION:
-5 6 9  7 4 8  1 3 2
-1 7 3  9 2 5  4 6 8
-4 2 8  1 3 6  9 5 7
-
-3 9 4  8 1 7  6 2 5
-7 8 1  5 6 2  3 4 9
-6 5 2  3 9 4  7 8 1
-
-9 1 6  2 8 3  5 7 4
-8 4 7  6 5 9  2 1 3
-2 3 5  4 7 1  8 9 6
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,7,null,5,null,null,4,null,1,null,6,3,null,4,null,3,null,null,null,null,null,8,5,null,null,null,2,null,0,null,null,null,null,null,null,0,5,null,6,4,null,null,8,null,null,null,null,2,null,null,2,0,null,null,null,1,null,null,0,null,5,null,null,null,null,null],"solution":[7,1,8,6,0,3,2,5,4,3,6,4,2,5,8,1,7,0,5,2,0,4,7,1,8,6,3,0,4,1,3,6,5,7,2,8,8,5,6,7,4,2,3,0,1,2,3,7,1,8,0,5,4,6,4,7,5,8,1,6,0,3,2,6,8,2,0,3,7,4,1,5,1,0,3,5,2,4,6,8,7]}
-PUZZLE:
-8 _ _  _ _ _  _ _ _
-_ _ _  _ _ _  2 8 _
-6 _ _  5 _ 2  _ 7 4
-
-_ 5 _  4 _ _  _ _ _
-9 6 _  _ _ 3  _ 1 _
-_ _ _  _ _ 1  6 _ 7
-
-5 _ _  9 _ _  _ _ 3
-_ _ 3  1 _ _  _ 2 _
-_ 1 _  6 _ _  _ _ _
-
-SOLUTION:
-8 2 9  7 1 4  3 6 5
-4 7 5  3 6 9  2 8 1
-6 3 1  5 8 2  9 7 4
-
-1 5 2  4 7 6  8 3 9
-9 6 7  8 5 3  4 1 2
-3 4 8  2 9 1  6 5 7
-
-5 8 6  9 2 7  1 4 3
-7 9 3  1 4 8  5 2 6
-2 1 4  6 3 5  7 9 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,4,null,null,1,null,8,0,5,null,5,null,null,null,0,null,2,null,null,null,null,null,null,null,null,null,null,null,7,null,2,null,null,null,null,null,null,1,2,null,null,null,null,7,null,null,null,null,8,4,null,3,null,null,null,null,null,null,null,null,null,4,null,5,null,null,null,0,3,2,null,null,0,null,null,1,null,2,null,null,null],"solution":[2,4,7,3,1,6,8,0,5,1,5,6,7,8,0,4,2,3,8,3,0,5,2,4,7,6,1,3,7,8,2,6,1,0,5,4,4,1,2,0,3,5,6,7,8,6,0,5,8,4,7,3,1,2,7,2,3,6,5,8,1,4,0,5,6,1,4,0,3,2,8,7,0,8,4,1,7,2,5,3,6]}
-PUZZLE:
-_ 5 _  _ 2 _  9 1 6
-_ 6 _  _ _ 1  _ 3 _
-_ _ _  _ _ _  _ _ _
-
-_ 8 _  3 _ _  _ _ _
-_ 2 3  _ _ _  _ 8 _
-_ _ _  9 5 _  4 _ _
-
-_ _ _  _ _ _  _ 5 _
-6 _ _  _ 1 4  3 _ _
-1 _ _  2 _ 3  _ _ _
-
-SOLUTION:
-3 5 8  4 2 7  9 1 6
-2 6 7  8 9 1  5 3 4
-9 4 1  6 3 5  8 7 2
-
-4 8 9  3 7 2  1 6 5
-5 2 3  1 4 6  7 8 9
-7 1 6  9 5 8  4 2 3
-
-8 3 4  7 6 9  2 5 1
-6 7 2  5 1 4  3 9 8
-1 9 5  2 8 3  6 4 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[6,1,4,null,null,5,null,7,null,null,null,null,null,null,null,null,null,null,5,null,0,6,null,null,3,1,null,null,null,2,5,null,null,null,null,3,null,0,null,null,null,null,7,null,4,8,null,null,null,null,null,null,2,null,null,null,null,null,null,null,0,4,null,null,4,null,null,7,6,null,null,null,2,null,5,null,null,null,null,null,null],"solution":[6,1,4,3,8,5,2,7,0,3,8,7,0,1,2,4,6,5,5,2,0,6,4,7,3,1,8,4,7,2,5,6,1,8,0,3,1,0,6,8,2,3,7,5,4,8,5,3,7,0,4,6,2,1,7,3,1,2,5,8,0,4,6,0,4,8,1,7,6,5,3,2,2,6,5,4,3,0,1,8,7]}
-PUZZLE:
-7 2 5  _ _ 6  _ 8 _
-_ _ _  _ _ _  _ _ _
-6 _ 1  7 _ _  4 2 _
-
-_ _ 3  6 _ _  _ _ 4
-_ 1 _  _ _ _  8 _ 5
-9 _ _  _ _ _  _ 3 _
-
-_ _ _  _ _ _  1 5 _
-_ 5 _  _ 8 7  _ _ _
-3 _ 6  _ _ _  _ _ _
-
-SOLUTION:
-7 2 5  4 9 6  3 8 1
-4 9 8  1 2 3  5 7 6
-6 3 1  7 5 8  4 2 9
-
-5 8 3  6 7 2  9 1 4
-2 1 7  9 3 4  8 6 5
-9 6 4  8 1 5  7 3 2
-
-8 4 2  3 6 9  1 5 7
-1 5 9  2 8 7  6 4 3
-3 7 6  5 4 1  2 9 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[7,null,null,null,3,null,null,null,null,5,null,null,null,null,4,null,null,2,null,null,3,null,null,null,8,null,0,null,null,2,null,8,null,null,7,null,null,null,5,null,null,null,null,null,4,null,6,null,null,4,null,2,null,null,null,null,8,0,null,null,null,1,null,2,null,6,null,5,8,null,null,null,null,0,null,null,null,null,null,null,null],"solution":[7,2,4,8,3,0,1,5,6,5,8,0,6,1,4,7,3,2,6,1,3,7,2,5,8,4,0,3,4,2,5,8,6,0,7,1,8,7,5,2,0,1,3,6,4,0,6,1,3,4,7,2,8,5,4,5,8,0,7,2,6,1,3,2,3,6,1,5,8,4,0,7,1,0,7,4,6,3,5,2,8]}
-PUZZLE:
-8 _ _  _ 4 _  _ _ _
-6 _ _  _ _ 5  _ _ 3
-_ _ 4  _ _ _  9 _ 1
-
-_ _ 3  _ 9 _  _ 8 _
-_ _ 6  _ _ _  _ _ 5
-_ 7 _  _ 5 _  3 _ _
-
-_ _ 9  1 _ _  _ 2 _
-3 _ 7  _ 6 9  _ _ _
-_ 1 _  _ _ _  _ _ _
-
-SOLUTION:
-8 3 5  9 4 1  2 6 7
-6 9 1  7 2 5  8 4 3
-7 2 4  8 3 6  9 5 1
-
-4 5 3  6 9 7  1 8 2
-9 8 6  3 1 2  4 7 5
-1 7 2  4 5 8  3 9 6
-
-5 6 9  1 8 3  7 2 4
-3 4 7  2 6 9  5 1 8
-2 1 8  5 7 4  6 3 9
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,5,null,null,null,null,null,3,2,2,null,null,null,null,4,5,null,null,6,8,null,7,2,null,null,null,null,null,null,5,null,0,null,4,null,null,7,null,2,null,null,null,null,null,null,null,0,null,3,6,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,3,7,null,null,7,null,null,null,0,8,5,null],"solution":[4,5,7,0,1,8,6,3,2,2,1,0,6,3,4,5,8,7,6,8,3,7,2,5,1,4,0,1,6,5,8,0,7,4,2,3,7,3,2,4,5,1,0,6,8,8,0,4,3,6,2,7,1,5,5,4,8,1,7,3,2,0,6,0,2,1,5,8,6,3,7,4,3,7,6,2,4,0,8,5,1]}
-PUZZLE:
-_ 6 _  _ _ _  _ 4 3
-3 _ _  _ _ 5  6 _ _
-7 9 _  8 3 _  _ _ _
-
-_ _ 6  _ 1 _  5 _ _
-8 _ 3  _ _ _  _ _ _
-_ 1 _  4 7 _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  _ _ _  4 8 _
-_ 8 _  _ _ 1  9 6 _
-
-SOLUTION:
-5 6 8  1 2 9  7 4 3
-3 2 1  7 4 5  6 9 8
-7 9 4  8 3 6  2 5 1
-
-2 7 6  9 1 8  5 3 4
-8 4 3  5 6 2  1 7 9
-9 1 5  4 7 3  8 2 6
-
-6 5 9  2 8 4  3 1 7
-1 3 2  6 9 7  4 8 5
-4 8 7  3 5 1  9 6 2
-
-RATING: 1.75
-DATA:
-{"puzzle":[7,null,null,0,null,null,null,null,null,4,null,null,null,null,1,null,3,null,null,null,null,3,null,null,null,null,4,null,null,null,null,0,null,4,7,null,null,null,null,2,6,7,null,null,null,null,null,null,8,null,null,null,5,null,0,7,null,5,null,null,null,null,null,null,null,5,null,null,null,1,6,3,null,null,3,null,2,null,7,null,null],"solution":[7,3,1,0,4,8,5,2,6,4,8,2,6,5,1,0,3,7,6,5,0,3,7,2,8,1,4,3,6,8,1,0,5,4,7,2,5,0,4,2,6,7,3,8,1,1,2,7,8,3,4,6,5,0,0,7,6,5,1,3,2,4,8,2,4,5,7,8,0,1,6,3,8,1,3,4,2,6,7,0,5]}
-PUZZLE:
-8 _ _  1 _ _  _ _ _
-5 _ _  _ _ 2  _ 4 _
-_ _ _  4 _ _  _ _ 5
-
-_ _ _  _ 1 _  5 8 _
-_ _ _  3 7 8  _ _ _
-_ _ _  9 _ _  _ 6 _
-
-1 8 _  6 _ _  _ _ _
-_ _ 6  _ _ _  2 7 4
-_ _ 4  _ 3 _  8 _ _
-
-SOLUTION:
-8 4 2  1 5 9  6 3 7
-5 9 3  7 6 2  1 4 8
-7 6 1  4 8 3  9 2 5
-
-4 7 9  2 1 6  5 8 3
-6 1 5  3 7 8  4 9 2
-2 3 8  9 4 5  7 6 1
-
-1 8 7  6 2 4  3 5 9
-3 5 6  8 9 1  2 7 4
-9 2 4  5 3 7  8 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,3,8,null,null,null,null,6,null,7,null,null,null,null,null,null,5,null,null,2,null,1,null,0,3,null,null,null,null,4,3,null,null,null,null,null,null,0,null,null,7,null,null,null,null,null,null,null,null,8,null,5,null,null,null,null,null,null,6,null,2,null,null,8,null,null,4,null,null,6,null,null,null,5,null,0,null,3,null,null],"solution":[0,1,3,8,7,5,2,4,6,4,7,6,3,2,0,8,1,5,8,5,2,6,1,4,0,3,7,5,6,8,4,3,1,7,0,2,1,3,0,2,5,7,6,8,4,7,2,4,0,6,8,1,5,3,3,0,7,5,8,6,4,2,1,2,8,1,7,4,3,5,6,0,6,4,5,1,0,2,3,7,8]}
-PUZZLE:
-1 _ 4  9 _ _  _ _ 7
-_ 8 _  _ _ _  _ _ 6
-_ _ 3  _ 2 _  1 4 _
-
-_ _ _  5 4 _  _ _ _
-_ _ 1  _ _ 8  _ _ _
-_ _ _  _ _ 9  _ 6 _
-
-_ _ _  _ _ 7  _ 3 _
-_ 9 _  _ 5 _  _ 7 _
-_ _ 6  _ 1 _  4 _ _
-
-SOLUTION:
-1 2 4  9 8 6  3 5 7
-5 8 7  4 3 1  9 2 6
-9 6 3  7 2 5  1 4 8
-
-6 7 9  5 4 2  8 1 3
-2 4 1  3 6 8  7 9 5
-8 3 5  1 7 9  2 6 4
-
-4 1 8  6 9 7  5 3 2
-3 9 2  8 5 4  6 7 1
-7 5 6  2 1 3  4 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,1,null,null,null,null,8,6,null,null,null,null,null,null,1,3,null,null,null,0,7,null,null,2,null,8,null,null,null,0,null,6,null,2,null,null,null,null,6,5,7,null,null,null,null,null,null,null,null,4,null,6,null,null,null,null,2,null,null,null,0,null,2,3,null,4,null,null,null,null,null,null,null,null,null,null,null,4],"solution":[7,2,5,8,1,3,4,0,6,8,6,0,4,2,5,7,3,1,3,4,1,6,0,7,8,5,2,4,8,7,2,5,0,1,6,3,2,0,3,1,4,6,5,7,8,1,5,6,7,3,8,2,4,0,6,3,4,5,8,2,0,1,7,0,1,2,3,7,4,6,8,5,5,7,8,0,6,1,3,2,4]}
-PUZZLE:
-_ _ 6  _ 2 _  _ _ _
-9 7 _  _ _ _  _ _ 2
-4 _ _  _ 1 8  _ _ 3
-
-_ 9 _  _ _ 1  _ 7 _
-3 _ _  _ _ 7  6 8 _
-_ _ _  _ _ _  _ 5 _
-
-7 _ _  _ _ 3  _ _ _
-1 _ 3  4 _ 5  _ _ _
-_ _ _  _ _ _  _ _ 5
-
-SOLUTION:
-8 3 6  9 2 4  5 1 7
-9 7 1  5 3 6  8 4 2
-4 5 2  7 1 8  9 6 3
-
-5 9 8  3 6 1  2 7 4
-3 1 4  2 5 7  6 8 9
-2 6 7  8 4 9  3 5 1
-
-7 4 5  6 9 3  1 2 8
-1 2 3  4 8 5  7 9 6
-6 8 9  1 7 2  4 3 5
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,3,null,null,null,null,null,null,null,0,4,null,null,null,6,2,null,5,null,6,null,null,null,null,null,7,null,3,null,5,null,null,null,null,0,null,null,5,2,null,null,null,1,null,null,null,null,null,4,null,null,null,8,null,null,null,1,null,7,null,0,4,null,null,null,null,null,0,null,6,null,null,1,null,null,5,null,3,null,null],"solution":[7,8,3,6,0,2,4,5,1,1,0,4,7,8,5,6,2,3,5,2,6,4,1,3,0,8,7,8,3,1,5,7,6,2,4,0,0,4,5,2,3,8,7,1,6,2,6,7,0,4,1,5,3,8,3,5,2,1,6,7,8,0,4,4,7,8,3,2,0,1,6,5,6,1,0,8,5,4,3,7,2]}
-PUZZLE:
-_ _ 4  _ _ _  _ _ _
-_ 1 5  _ _ _  7 3 _
-6 _ 7  _ _ _  _ _ 8
-
-_ 4 _  6 _ _  _ _ 1
-_ _ 6  3 _ _  _ 2 _
-_ _ _  _ 5 _  _ _ 9
-
-_ _ _  2 _ 8  _ 1 5
-_ _ _  _ _ 1  _ 7 _
-_ 2 _  _ 6 _  4 _ _
-
-SOLUTION:
-8 9 4  7 1 3  5 6 2
-2 1 5  8 9 6  7 3 4
-6 3 7  5 2 4  1 9 8
-
-9 4 2  6 8 7  3 5 1
-1 5 6  3 4 9  8 2 7
-3 7 8  1 5 2  6 4 9
-
-4 6 3  2 7 8  9 1 5
-5 8 9  4 3 1  2 7 6
-7 2 1  9 6 5  4 8 3
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,0,null,7,null,6,null,null,null,null,null,4,null,null,8,null,2,4,5,null,8,null,null,null,3,null,1,null,5,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,7,8,1,0,null,null,null,null,5,null,null,null,null,8,null,null,4,null,6,null,null,null,4,1,null,8,null,null,null,null,null,6,null,null,null],"solution":[8,1,0,2,7,3,6,4,5,6,3,7,4,5,0,8,1,2,4,5,2,8,6,1,0,3,7,1,4,5,6,8,7,3,2,0,0,2,6,3,4,5,7,8,1,3,7,8,1,0,2,4,5,6,5,0,1,7,3,8,2,6,4,7,6,3,5,2,4,1,0,8,2,8,4,0,1,6,5,7,3]}
-PUZZLE:
-_ _ 1  _ 8 _  7 _ _
-_ _ _  5 _ _  9 _ 3
-5 6 _  9 _ _  _ 4 _
-
-2 _ 6  _ _ _  _ 3 _
-_ _ _  _ _ _  _ _ _
-_ 8 9  2 1 _  _ _ _
-
-6 _ _  _ _ 9  _ _ 5
-_ 7 _  _ _ 5  2 _ 9
-_ _ _  _ _ 7  _ _ _
-
-SOLUTION:
-9 2 1  3 8 4  7 5 6
-7 4 8  5 6 1  9 2 3
-5 6 3  9 7 2  1 4 8
-
-2 5 6  7 9 8  4 3 1
-1 3 7  4 5 6  8 9 2
-4 8 9  2 1 3  5 6 7
-
-6 1 2  8 4 9  3 7 5
-8 7 4  6 3 5  2 1 9
-3 9 5  1 2 7  6 8 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,3,null,null,null,7,6,null,null,null,null,null,null,null,null,null,null,null,4,null,8,6,null,0,null,2,null,null,null,null,null,null,null,null,null,null,null,5,2,null,6,null,3,7,null,null,0,5,null,8,6,null,null,null,2,null,6,null,0,null,null,5,null,null,null,3,null,null,null,8,null,null,1,null,null,8,null,null,7,null],"solution":[8,0,3,1,5,2,7,6,4,2,6,1,0,7,4,8,5,3,5,4,7,8,6,3,0,1,2,6,3,2,7,4,1,5,0,8,1,8,5,2,0,6,4,3,7,4,7,0,5,3,8,6,2,1,7,2,8,6,1,0,3,4,5,0,5,4,3,2,7,1,8,6,3,1,6,4,8,5,2,7,0]}
-PUZZLE:
-_ _ 4  _ _ _  8 7 _
-_ _ _  _ _ _  _ _ _
-_ 5 _  9 7 _  1 _ 3
-
-_ _ _  _ _ _  _ _ _
-_ _ 6  3 _ 7  _ 4 8
-_ _ 1  6 _ 9  7 _ _
-
-_ 3 _  7 _ 1  _ _ 6
-_ _ _  4 _ _  _ 9 _
-_ 2 _  _ 9 _  _ 8 _
-
-SOLUTION:
-9 1 4  2 6 3  8 7 5
-3 7 2  1 8 5  9 6 4
-6 5 8  9 7 4  1 2 3
-
-7 4 3  8 5 2  6 1 9
-2 9 6  3 1 7  5 4 8
-5 8 1  6 4 9  7 3 2
-
-8 3 9  7 2 1  4 5 6
-1 6 5  4 3 8  2 9 7
-4 2 7  5 9 6  3 8 1
-
-RATING: 1.75
-DATA:
-{"puzzle":[0,null,null,3,null,null,5,null,null,null,2,null,null,null,null,null,8,3,null,null,7,null,null,4,null,null,null,null,4,null,null,null,null,null,6,7,null,null,null,4,null,null,null,3,null,null,null,5,0,1,null,null,null,null,6,null,null,1,3,null,7,null,null,null,null,null,null,null,8,null,null,null,null,null,4,2,null,null,null,null,1],"solution":[0,8,6,3,2,1,5,7,4,4,2,1,5,0,7,6,8,3,5,3,7,6,8,4,2,1,0,1,4,3,8,5,2,0,6,7,8,0,2,4,7,6,1,3,5,7,6,5,0,1,3,4,2,8,6,5,8,1,3,0,7,4,2,2,1,0,7,4,8,3,5,6,3,7,4,2,6,5,8,0,1]}
-PUZZLE:
-1 _ _  4 _ _  6 _ _
-_ 3 _  _ _ _  _ 9 4
-_ _ 8  _ _ 5  _ _ _
-
-_ 5 _  _ _ _  _ 7 8
-_ _ _  5 _ _  _ 4 _
-_ _ 6  1 2 _  _ _ _
-
-7 _ _  2 4 _  8 _ _
-_ _ _  _ _ 9  _ _ _
-_ _ 5  3 _ _  _ _ 2
-
-SOLUTION:
-1 9 7  4 3 2  6 8 5
-5 3 2  6 1 8  7 9 4
-6 4 8  7 9 5  3 2 1
-
-2 5 4  9 6 3  1 7 8
-9 1 3  5 8 7  2 4 6
-8 7 6  1 2 4  5 3 9
-
-7 6 9  2 4 1  8 5 3
-3 2 1  8 5 9  4 6 7
-4 8 5  3 7 6  9 1 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,null,null,2,null,0,2,null,null,null,null,null,null,null,null,null,null,8,1,null,5,3,null,null,null,null,6,7,null,null,null,null,null,null,2,null,4,null,null,0,null,null,1,null,null,null,6,3,8,null,null,5,null,null,null,null,null,null,0,null,null,null,1,null,7,null,null,null,null,3,8,null,6,1,null,null,null,7],"solution":[6,3,5,8,4,7,2,1,0,2,1,4,0,3,6,7,8,5,0,7,8,1,2,5,3,4,6,8,4,6,7,0,1,5,2,3,7,2,3,4,5,8,0,6,1,1,5,0,2,6,3,8,7,4,5,6,7,3,8,4,1,0,2,4,0,1,5,7,2,6,3,8,3,8,2,6,1,0,4,5,7]}
-PUZZLE:
-_ 4 _  _ _ _  3 _ 1
-3 _ _  _ _ _  _ _ _
-_ _ 9  2 _ 6  4 _ _
-
-_ _ 7  8 _ _  _ _ _
-_ 3 _  5 _ _  1 _ _
-2 _ _  _ 7 4  9 _ _
-
-6 _ _  _ _ _  _ 1 _
-_ _ 2  _ 8 _  _ _ _
-4 9 _  7 2 _  _ _ 8
-
-SOLUTION:
-7 4 6  9 5 8  3 2 1
-3 2 5  1 4 7  8 9 6
-1 8 9  2 3 6  4 5 7
-
-9 5 7  8 1 2  6 3 4
-8 3 4  5 6 9  1 7 2
-2 6 1  3 7 4  9 8 5
-
-6 7 8  4 9 5  2 1 3
-5 1 2  6 8 3  7 4 9
-4 9 3  7 2 1  5 6 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,5,null,0,null,null,null,null,7,8,null,null,null,null,6,2,5,null,null,null,null,null,null,5,null,null,null,null,null,null,7,0,1,null,8,3,null,null,null,null,5,null,3,null,6,null,null,null,4,1,null,null,2,null,null,3,null,null,null,null,0,null,5,2,null,null,null,null,7,null,null,null,null,null],"solution":[1,2,3,0,8,7,4,6,5,5,0,6,3,4,1,7,8,2,4,8,7,6,2,5,1,3,0,3,6,4,5,7,0,2,1,8,2,7,0,1,6,8,3,5,4,8,1,5,2,3,4,6,0,7,6,4,1,8,5,2,0,7,3,7,3,8,4,0,6,5,2,1,0,5,2,7,1,3,8,4,6]}
-PUZZLE:
-2 _ _  _ _ _  _ _ 6
-_ 1 _  _ _ _  8 9 _
-_ _ _  7 3 6  _ _ _
-
-_ _ _  6 _ _  _ _ _
-_ 8 1  2 _ 9  4 _ _
-_ _ 6  _ 4 _  7 _ _
-
-_ 5 2  _ _ 3  _ _ 4
-_ _ _  _ 1 _  6 3 _
-_ _ _  8 _ _  _ _ _
-
-SOLUTION:
-2 3 4  1 9 8  5 7 6
-6 1 7  4 5 2  8 9 3
-5 9 8  7 3 6  2 4 1
-
-4 7 5  6 8 1  3 2 9
-3 8 1  2 7 9  4 6 5
-9 2 6  3 4 5  7 1 8
-
-7 5 2  9 6 3  1 8 4
-8 4 9  5 1 7  6 3 2
-1 6 3  8 2 4  9 5 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,5,null,6,null,null,null,null,null,null,1,null,3,null,2,null,0,0,null,null,null,null,null,null,8,5,4,null,7,5,2,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,4,0,null,null,null,3,4,null,2,8,null,null,null,7,null,null,null,null,null,null,2,null,null,null,3,null,null,null,null,null],"solution":[8,3,5,2,6,0,7,4,1,7,4,1,8,3,5,2,6,0,0,6,2,7,4,1,3,8,5,4,0,7,5,2,3,6,1,8,3,1,6,0,8,4,5,2,7,5,2,8,6,1,7,4,0,3,1,5,3,4,0,2,8,7,6,6,7,4,1,5,8,0,3,2,2,8,0,3,7,6,1,5,4]}
-PUZZLE:
-_ 4 6  _ 7 _  _ _ _
-_ _ 2  _ 4 _  3 _ 1
-1 _ _  _ _ _  _ 9 6
-
-5 _ 8  6 3 _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 2 _  5 1 _
-
-_ _ 4  5 _ 3  9 _ _
-_ 8 _  _ _ _  _ _ 3
-_ _ _  4 _ _  _ _ _
-
-SOLUTION:
-9 4 6  3 7 1  8 5 2
-8 5 2  9 4 6  3 7 1
-1 7 3  8 5 2  4 9 6
-
-5 1 8  6 3 4  7 2 9
-4 2 7  1 9 5  6 3 8
-6 3 9  7 2 8  5 1 4
-
-2 6 4  5 1 3  9 8 7
-7 8 5  2 6 9  1 4 3
-3 9 1  4 8 7  2 6 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,2,null,null,null,6,null,4,null,null,null,null,null,7,1,null,0,6,null,null,null,4,5,null,3,null,null,null,6,null,null,null,null,null,null,null,8,7,null,null,null,null,null,null,0,null,null,null,3,2,null,5,null,null,null,0,null,null,null,2,null,null,null,2,null,null,6,null,null,null,5,8,null,null,6,7,null,null,null,null,null],"solution":[0,2,7,8,3,6,1,4,5,4,5,3,2,7,1,8,0,6,6,1,8,4,5,0,3,7,2,3,6,5,0,4,7,2,8,1,8,7,2,1,6,5,4,3,0,1,4,0,3,2,8,5,6,7,7,0,4,5,8,2,6,1,3,2,3,1,6,0,4,7,5,8,5,8,6,7,1,3,0,2,4]}
-PUZZLE:
-_ 3 _  _ _ 7  _ 5 _
-_ _ _  _ 8 2  _ 1 7
-_ _ _  5 6 _  4 _ _
-
-_ 7 _  _ _ _  _ _ _
-9 8 _  _ _ _  _ _ 1
-_ _ _  4 3 _  6 _ _
-
-_ 1 _  _ _ 3  _ _ _
-3 _ _  7 _ _  _ 6 9
+4 2 _  _ _ _  _ _ _
+8 _ 5  2 4 _  _ _ 6
 _ _ 7  8 _ _  _ _ _
 
 SOLUTION:
-1 3 8  9 4 7  2 5 6
-5 6 4  3 8 2  9 1 7
-7 2 9  5 6 1  4 8 3
+5 1 9  4 7 3  8 6 2
+6 8 2  5 9 1  3 7 4
+7 3 4  6 8 2  5 9 1
 
-4 7 6  1 5 8  3 9 2
-9 8 3  2 7 6  5 4 1
-2 5 1  4 3 9  6 7 8
+9 5 8  7 2 4  6 1 3
+2 7 1  3 6 9  4 8 5
+3 4 6  1 5 8  9 2 7
 
-8 1 5  6 9 3  7 2 4
-3 4 2  7 1 5  8 6 9
-6 9 7  8 2 4  1 3 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,6,null,0,7,5,1,null,null,4,null,null,null,null,3,null,null,8,null,null,null,null,null,null,null,null,4,6,0,8,8,null,null,null,null,null,null,4,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,7,1,null,null,null,2,null,0,8,null,5,null,null,null,6,null,4,null,2,null,null,null],"solution":[2,8,4,5,7,0,3,6,1,0,7,5,1,6,3,4,8,2,6,1,3,2,4,8,0,5,7,1,5,2,7,3,4,6,0,8,8,3,0,6,2,1,7,4,5,7,4,6,8,0,5,2,1,3,4,0,8,3,5,7,1,2,6,3,2,1,0,8,6,5,7,4,5,6,7,4,1,2,8,3,0]}
-PUZZLE:
-_ _ _  _ 8 _  _ 7 _
-1 8 6  2 _ _  5 _ _
-_ _ 4  _ _ 9  _ _ _
-
-_ _ _  _ _ 5  7 1 9
-9 _ _  _ _ _  _ 5 _
-_ _ _  _ _ _  3 _ _
-
-_ _ _  _ _ 8  2 _ _
-_ 3 _  1 9 _  6 _ _
-_ 7 _  5 _ 3  _ _ _
-
-SOLUTION:
-3 9 5  6 8 1  4 7 2
-1 8 6  2 7 4  5 9 3
-7 2 4  3 5 9  1 6 8
-
-2 6 3  8 4 5  7 1 9
-9 4 1  7 3 2  8 5 6
-8 5 7  9 1 6  3 2 4
-
-5 1 9  4 6 8  2 3 7
-4 3 2  1 9 7  6 8 5
-6 7 8  5 2 3  9 4 1
-
-RATING: 3.75
-DATA:
-{"puzzle":[7,null,null,1,8,3,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,0,7,null,3,null,null,5,null,null,4,null,null,null,0,null,null,null,6,null,null,null,null,4,null,null,3,4,null,1,null,null,null,8,null,null,null,null,null,4,null,null,null,2,1,5,6,null,null,0,null,null,null,6,null,null,null,null,2,null,null],"solution":[7,5,2,1,8,3,4,6,0,6,0,3,5,4,2,8,1,7,1,4,8,0,7,6,3,5,2,5,2,1,4,6,8,7,0,3,8,7,6,3,2,0,5,4,1,0,3,4,7,1,5,6,2,8,3,8,0,2,5,4,1,7,6,2,1,5,6,3,7,0,8,4,4,6,7,8,0,1,2,3,5]}
-PUZZLE:
-8 _ _  2 9 4  _ _ _
-_ _ _  _ _ _  _ 2 _
-_ _ _  1 8 _  4 _ _
-
-6 _ _  5 _ _  _ 1 _
-_ _ 7  _ _ _  _ 5 _
-_ 4 5  _ 2 _  _ _ 9
-
-_ _ _  _ _ 5  _ _ _
-3 2 6  7 _ _  1 _ _
-_ 7 _  _ _ _  3 _ _
-
-SOLUTION:
-8 6 3  2 9 4  5 7 1
-7 1 4  6 5 3  9 2 8
-2 5 9  1 8 7  4 6 3
-
-6 3 2  5 7 9  8 1 4
-9 8 7  4 3 1  6 5 2
-1 4 5  8 2 6  7 3 9
-
-4 9 1  3 6 5  2 8 7
-3 2 6  7 4 8  1 9 5
-5 7 8  9 1 2  3 4 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,3,null,null,null,6,null,null,3,null,null,null,null,null,null,5,null,null,null,null,1,8,null,null,null,2,8,1,null,null,null,6,0,4,6,null,2,null,null,null,null,7,7,null,null,4,null,null,3,null,null,null,1,null,null,null,0,null,2,null,8,null,null,null,4,null,null,null,3,null,null,null,null,null,6,null,null,null],"solution":[1,4,2,8,3,7,5,0,6,0,8,3,6,5,4,2,7,1,5,7,6,0,2,1,8,3,4,3,2,8,1,7,5,4,6,0,4,6,5,2,0,3,1,8,7,7,0,1,4,6,8,3,5,2,6,1,4,3,8,0,7,2,5,8,5,0,7,4,2,6,1,3,2,3,7,5,1,6,0,4,8]}
-PUZZLE:
-_ _ _  _ 4 _  _ _ 7
-_ _ 4  _ _ _  _ _ _
-6 _ _  _ _ 2  9 _ _
-
-_ 3 9  2 _ _  _ 7 1
-5 7 _  3 _ _  _ _ 8
-8 _ _  5 _ _  4 _ _
-
-_ 2 _  _ _ 1  _ 3 _
-9 _ _  _ 5 _  _ _ 4
-_ _ _  _ _ 7  _ _ _
-
-SOLUTION:
-2 5 3  9 4 8  6 1 7
-1 9 4  7 6 5  3 8 2
-6 8 7  1 3 2  9 4 5
-
-4 3 9  2 8 6  5 7 1
-5 7 6  3 1 4  2 9 8
-8 1 2  5 7 9  4 6 3
-
-7 2 5  4 9 1  8 3 6
-9 6 1  8 5 3  7 2 4
-3 4 8  6 2 7  1 5 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,1,null,7,null,null,null,null,5,6,null,null,null,0,null,4,null,null,null,0,2,8,null,null,null,null,2,null,null,null,null,null,null,null,8,null,null,null,7,4,null,null,6,3,null,1,null,null,null,5,null,null,null,null,7,5,null,null,null,6,null,6,null,null,null,0,null,null,null,null,null,null,null,null,null,5,null,null],"solution":[3,2,0,8,1,5,7,6,4,8,1,5,6,7,4,2,0,3,4,7,6,3,0,2,8,1,5,7,5,2,0,4,3,6,8,1,0,8,1,5,6,7,4,3,2,6,3,4,1,2,8,0,5,7,2,0,8,7,5,1,3,4,6,5,6,7,4,3,0,1,2,8,1,4,3,2,8,6,5,7,0]}
-PUZZLE:
-_ _ 1  _ 2 _  8 _ _
-_ _ 6  7 _ _  _ 1 _
-5 _ _  _ 1 3  9 _ _
-
-_ _ 3  _ _ _  _ _ _
-_ 9 _  _ _ 8  5 _ _
-7 4 _  2 _ _  _ 6 _
-
-_ _ _  8 6 _  _ _ 7
-_ 7 _  _ _ 1  _ _ _
-_ _ _  _ _ _  6 _ _
-
-SOLUTION:
-4 3 1  9 2 6  8 7 5
-9 2 6  7 8 5  3 1 4
-5 8 7  4 1 3  9 2 6
-
-8 6 3  1 5 4  7 9 2
-1 9 2  6 7 8  5 4 3
-7 4 5  2 3 9  1 6 8
-
-3 1 9  8 6 2  4 5 7
-6 7 8  5 4 1  2 3 9
-2 5 4  3 9 7  6 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,3,null,null,null,null,8,4,null,null,null,5,2,null,null,null,0,null,6,null,1,null,null,7,null,null,null,8,null,2,null,2,null,null,null,6,null,null,null,5,null,null,null,null,null,4,null,3,null,7,1,null,null,null,0,null,null,4,null,null,null,2,null,null,null,null,null,null,null,0,null,null,null,7,null,null],"solution":[5,6,7,8,1,2,3,4,0,1,0,8,4,7,3,6,5,2,4,3,2,0,5,6,8,1,7,3,7,1,5,0,8,4,2,6,2,8,4,3,6,1,0,7,5,0,5,6,7,2,4,1,3,8,7,1,5,6,3,0,2,8,4,6,4,3,2,8,7,5,0,1,8,2,0,1,4,5,7,6,3]}
-PUZZLE:
-_ _ _  _ _ _  4 _ _
-_ _ 9  5 _ _  _ 6 3
-_ _ _  1 _ 7  _ 2 _
-
-_ 8 _  _ _ 9  _ 3 _
-3 _ _  _ 7 _  _ _ 6
-_ _ _  _ _ 5  _ 4 _
-
-8 2 _  _ _ 1  _ _ 5
-_ _ _  3 _ _  _ _ _
-_ _ 1  _ _ _  8 _ _
-
-SOLUTION:
-6 7 8  9 2 3  4 5 1
-2 1 9  5 8 4  7 6 3
-5 4 3  1 6 7  9 2 8
-
-4 8 2  6 1 9  5 3 7
-3 9 5  4 7 2  1 8 6
+4 2 3  9 1 6  7 5 8
+8 9 5  2 4 7  1 3 6
 1 6 7  8 3 5  2 4 9
 
-8 2 6  7 4 1  3 9 5
-7 5 4  3 9 8  6 1 2
-9 3 1  2 5 6  8 7 4
-
 RATING: 1
 DATA:
-{"puzzle":[null,null,null,null,null,7,null,null,5,null,null,4,null,null,null,null,null,null,5,null,1,8,null,0,4,null,7,1,null,null,2,null,5,8,null,null,null,null,null,null,null,null,null,4,null,null,6,8,null,null,null,null,null,0,null,null,null,null,6,8,null,null,null,null,null,6,null,1,null,null,null,4,8,7,null,null,2,null,null,null,null],"solution":[6,8,0,1,4,7,3,2,5,7,3,4,6,5,2,1,0,8,5,2,1,8,3,0,4,6,7,1,4,7,2,0,5,8,3,6,0,5,2,3,8,6,7,4,1,3,6,8,4,7,1,2,5,0,4,1,3,5,6,8,0,7,2,2,0,6,7,1,3,5,8,4,8,7,5,0,2,4,6,1,3]}
+{"puzzle":[null,null,1,3,null,null,null,null,null,4,null,null,null,2,1,null,0,7,5,null,null,7,null,null,null,null,6,null,8,null,1,null,null,null,6,null,null,null,7,4,null,null,5,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,6,null,null,null,null,null,4,8,7,4,null,null,null,3,null,2],"solution":[7,0,1,3,6,8,2,4,5,4,6,3,5,2,1,8,0,7,5,2,8,7,0,4,1,3,6,2,8,0,1,7,5,4,6,3,6,1,7,4,3,0,5,2,8,3,4,5,6,8,2,0,7,1,1,3,2,8,4,7,6,5,0,0,5,6,2,1,3,7,8,4,8,7,4,0,5,6,3,1,2]}
 PUZZLE:
-_ _ _  _ _ 8  _ _ 6
-_ _ 5  _ _ _  _ _ _
-6 _ 2  9 _ 1  5 _ 8
+_ _ 2  4 _ _  _ _ _
+5 _ _  _ 3 2  _ 1 8
+6 _ _  8 _ _  _ _ 7
 
-2 _ _  3 _ 6  9 _ _
-_ _ _  _ _ _  _ 5 _
-_ 7 9  _ _ _  _ _ 1
-
-_ _ _  _ 7 9  _ _ _
-_ _ 7  _ 2 _  _ _ 5
-9 8 _  _ 3 _  _ _ _
-
-SOLUTION:
-7 9 1  2 5 8  4 3 6
-8 4 5  7 6 3  2 1 9
-6 3 2  9 4 1  5 7 8
-
-2 5 8  3 1 6  9 4 7
-1 6 3  4 9 7  8 5 2
-4 7 9  5 8 2  3 6 1
-
-5 2 4  6 7 9  1 8 3
-3 1 7  8 2 4  6 9 5
-9 8 6  1 3 5  7 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,1,4,7,0,null,null,1,null,null,0,null,null,5,6,null,null,null,5,null,2,null,8,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,1,0,null,null,null,5,4,7,2,null,3,null,null,null,null,null,null,null,null,6,null,5,null,null,7,null,null,0,null,2,null,null,3,null,null,null,null,null,null,null],"solution":[2,8,5,6,1,4,7,0,3,4,1,3,8,0,7,2,5,6,7,0,6,5,3,2,1,8,4,6,7,1,0,8,3,5,4,2,3,2,8,4,5,1,0,6,7,0,5,4,7,2,6,3,1,8,1,4,0,2,7,8,6,3,5,5,6,7,3,4,0,8,2,1,8,3,2,1,6,5,4,7,0]}
-PUZZLE:
-_ _ _  _ 2 5  8 1 _
-_ 2 _  _ 1 _  _ 6 7
-_ _ _  6 _ 3  _ 9 _
-
-_ _ _  _ _ _  _ _ _
-_ 3 _  _ _ 2  1 _ _
-_ 6 5  8 3 _  4 _ _
-
-_ _ _  _ _ _  7 _ 6
-_ _ 8  _ _ 1  _ 3 _
-_ 4 _  _ _ _  _ _ _
-
-SOLUTION:
-3 9 6  7 2 5  8 1 4
-5 2 4  9 1 8  3 6 7
-8 1 7  6 4 3  2 9 5
-
-7 8 2  1 9 4  6 5 3
-4 3 9  5 6 2  1 7 8
-1 6 5  8 3 7  4 2 9
-
-2 5 1  3 8 9  7 4 6
-6 7 8  4 5 1  9 3 2
-9 4 3  2 7 6  5 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[8,3,null,null,0,null,null,null,7,null,1,0,null,null,null,null,null,5,null,null,null,null,8,null,null,3,null,null,null,null,null,3,4,null,null,null,null,5,null,6,null,null,null,null,null,null,null,null,null,null,null,null,8,4,null,null,null,1,6,null,null,null,0,6,null,null,null,null,null,4,2,null,null,null,null,null,null,0,5,null,8],"solution":[8,3,6,4,0,5,2,1,7,2,1,0,3,7,6,8,4,5,7,4,5,2,8,1,0,3,6,1,7,8,0,3,4,6,5,2,4,5,2,6,1,8,7,0,3,0,6,3,5,2,7,1,8,4,5,8,4,1,6,2,3,7,0,6,0,7,8,5,3,4,2,1,3,2,1,7,4,0,5,6,8]}
-PUZZLE:
-9 4 _  _ 1 _  _ _ 8
-_ 2 1  _ _ _  _ _ 6
-_ _ _  _ 9 _  _ 4 _
-
-_ _ _  _ 4 5  _ _ _
-_ 6 _  7 _ _  _ _ _
-_ _ _  _ _ _  _ 9 5
-
-_ _ _  2 7 _  _ _ 1
-7 _ _  _ _ _  5 3 _
-_ _ _  _ _ 1  6 _ 9
-
-SOLUTION:
-9 4 7  5 1 6  3 2 8
-3 2 1  4 8 7  9 5 6
-8 5 6  3 9 2  1 4 7
-
-2 8 9  1 4 5  7 6 3
-5 6 3  7 2 9  8 1 4
-1 7 4  6 3 8  2 9 5
-
-6 9 5  2 7 3  4 8 1
-7 1 8  9 6 4  5 3 2
-4 3 2  8 5 1  6 7 9
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,3,null,null,null,null,null,6,null,null,4,null,null,1,null,null,null,null,null,null,7,null,null,1,null,null,null,null,null,null,null,2,3,null,5,6,null,null,null,null,null,null,8,null,7,2,null,8,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,6,1,null,3,5,null,null,4,null,null,null,7,5,null,null,8],"solution":[1,7,3,4,2,0,8,5,6,5,6,4,3,8,1,7,0,2,2,0,8,7,5,6,1,4,3,8,4,1,0,6,2,3,7,5,6,3,0,5,1,7,2,8,4,7,2,5,8,3,4,6,1,0,3,5,7,2,0,8,4,6,1,0,8,6,1,4,3,5,2,7,4,1,2,6,7,5,0,3,8]}
-PUZZLE:
-_ _ 4  _ _ _  _ _ 7
-_ _ 5  _ _ 2  _ _ _
-_ _ _  8 _ _  2 _ _
-
-_ _ _  _ _ 3  4 _ 6
-7 _ _  _ _ _  _ 9 _
-8 3 _  9 _ _  7 _ _
-
-_ _ _  _ _ _  _ _ _
-_ _ 7  2 _ 4  6 _ _
-5 _ _  _ 8 6  _ _ 9
-
-SOLUTION:
-2 8 4  5 3 1  9 6 7
-6 7 5  4 9 2  8 1 3
-3 1 9  8 6 7  2 5 4
-
-9 5 2  1 7 3  4 8 6
-7 4 1  6 2 8  3 9 5
-8 3 6  9 4 5  7 2 1
-
-4 6 8  3 1 9  5 7 2
-1 9 7  2 5 4  6 3 8
-5 2 3  7 8 6  1 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,null,null,2,1,null,null,null,null,1,null,null,null,null,null,6,null,4,null,null,null,0,null,3,8,null,null,8,null,null,5,null,null,null,0,7,null,null,6,1,null,null,null,null,3,null,null,4,null,null,null,2,8,0,null,null,1,4,3,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null],"solution":[6,0,3,8,2,1,7,4,5,8,1,7,5,3,4,0,6,2,4,5,2,7,0,6,3,8,1,1,8,4,3,5,2,6,7,0,7,2,0,6,1,8,5,3,4,3,6,5,4,7,0,1,2,8,0,7,8,1,4,3,2,5,6,2,3,6,0,8,5,4,1,7,5,4,1,2,6,7,8,0,3]}
-PUZZLE:
-_ 1 _  _ 3 2  _ _ _
-_ 2 _  _ _ _  _ 7 _
-5 _ _  _ 1 _  4 9 _
-
-_ 9 _  _ 6 _  _ _ 1
-8 _ _  7 2 _  _ _ _
-4 _ _  5 _ _  _ 3 9
-
-1 _ _  2 5 4  _ _ _
-_ _ _  _ _ _  _ _ 8
+_ 9 _  2 _ _  _ 7 _
+_ _ 8  5 _ _  6 _ 9
 _ _ _  _ _ _  _ _ _
 
-SOLUTION:
-7 1 4  9 3 2  8 5 6
-9 2 8  6 4 5  1 7 3
-5 6 3  8 1 7  4 9 2
-
-2 9 5  4 6 3  7 8 1
-8 3 1  7 2 9  6 4 5
-4 7 6  5 8 1  2 3 9
-
-1 8 9  2 5 4  3 6 7
-3 4 7  1 9 6  5 2 8
-6 5 2  3 7 8  9 1 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,5,null,2,null,null,null,null,null,0,8,6,8,null,3,7,null,null,null,null,null,null,3,null,6,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,1,null,8,null,null,null,4,null,3,null,null,4,1,null,null,0,null,null,4,8,null,null,null,null,null,null,null,null,null,0,null,null,2,6],"solution":[3,4,0,2,1,8,6,7,5,1,2,7,6,5,4,3,0,8,6,8,5,3,7,0,2,4,1,8,5,3,4,6,7,0,1,2,4,0,2,1,3,5,8,6,7,7,6,1,0,8,2,5,3,4,2,3,6,5,4,1,7,8,0,0,7,4,8,2,6,1,5,3,5,1,8,7,0,3,4,2,6]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 6
-_ 3 _  _ _ _  _ 1 9
-7 9 _  4 8 _  _ _ _
-
-_ _ 4  _ 7 _  _ 2 _
-_ _ _  _ _ _  _ _ _
-_ _ 2  _ 9 _  _ _ 5
-
-_ 4 _  _ 5 2  _ _ 1
-_ _ 5  9 _ _  _ _ _
-_ _ _  _ 1 _  _ 3 7
-
-SOLUTION:
-4 5 1  3 2 9  7 8 6
-2 3 8  7 6 5  4 1 9
-7 9 6  4 8 1  3 5 2
-
-9 6 4  5 7 8  1 2 3
-5 1 3  2 4 6  9 7 8
-8 7 2  1 9 3  6 4 5
-
-3 4 7  6 5 2  8 9 1
-1 8 5  9 3 7  2 6 4
-6 2 9  8 1 4  5 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,null,null,null,null,7,7,null,null,1,null,6,null,null,0,2,null,null,null,null,null,1,6,null,4,null,null,null,null,5,8,1,6,null,5,null,null,null,null,null,null,null,8,null,null,3,null,null,null,null,null,null,null,null,2,null,null,null,null,null,null,7,6,null,0,null,null,3,1,null,null,null,null,null,3,0,null,5],"solution":[6,1,0,4,8,2,3,5,7,7,8,5,1,3,6,4,2,0,2,4,3,5,7,0,1,6,8,4,3,7,0,2,5,8,1,6,0,5,2,6,1,8,7,4,3,8,6,1,3,4,7,5,0,2,3,0,8,2,5,1,6,7,4,5,7,6,8,0,4,2,3,1,1,2,4,7,6,3,0,8,5]}
-PUZZLE:
-_ _ 1  _ _ _  _ _ 8
-8 _ _  2 _ 7  _ _ 1
-3 _ _  _ _ _  2 7 _
-
-5 _ _  _ _ 6  9 2 7
-_ 6 _  _ _ _  _ _ _
-9 _ _  4 _ _  _ _ _
-
-_ _ _  3 _ _  _ _ _
-_ 8 7  _ 1 _  _ 4 2
-_ _ _  _ _ 4  1 _ 6
-
-SOLUTION:
-7 2 1  5 9 3  4 6 8
-8 9 6  2 4 7  5 3 1
-3 5 4  6 8 1  2 7 9
-
-5 4 8  1 3 6  9 2 7
-1 6 3  7 2 9  8 5 4
-9 7 2  4 5 8  6 1 3
-
-4 1 9  3 6 2  7 8 5
-6 8 7  9 1 5  3 4 2
-2 3 5  8 7 4  1 9 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,0,null,1,null,7,null,null,null,null,null,6,null,2,null,null,4,null,null,null,2,null,null,null,6,3,null,1,null,null,0,null,null,null,null,null,null,null,4,null,1,null,null,null,8,null,3,null,4,null,null,8,null,1,null,6,null,null,5,null,null,null,null,null,null,null,null,6,null,1,null,4,null],"solution":[4,8,2,3,6,5,1,7,0,0,5,1,8,7,4,2,3,6,7,6,3,2,1,0,4,5,8,8,2,7,4,5,6,3,0,1,1,3,0,7,8,2,5,6,4,5,4,6,1,0,3,7,8,2,3,7,4,0,2,8,6,1,5,6,1,8,5,4,7,0,2,3,2,0,5,6,3,1,8,4,7]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-1 _ 2  _ 8 _  _ _ _
-_ 7 _  3 _ _  5 _ _
-
-_ 3 _  _ _ 7  4 _ 2
-_ _ 1  _ _ _  _ _ _
-_ 5 _  2 _ _  _ 9 _
-
-4 _ 5  _ _ 9  _ 2 _
-7 _ _  6 _ _  _ _ _
-_ _ _  7 _ 2  _ 5 _
-
-SOLUTION:
-5 9 3  4 7 6  2 8 1
-1 6 2  9 8 5  3 4 7
-8 7 4  3 2 1  5 6 9
-
-9 3 8  5 6 7  4 1 2
-2 4 1  8 9 3  6 7 5
-6 5 7  2 1 4  8 9 3
-
-4 8 5  1 3 9  7 2 6
-7 2 9  6 5 8  1 3 4
-3 1 6  7 4 2  9 5 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,8,null,null,null,null,null,null,2,null,null,null,null,8,null,7,null,null,null,null,null,6,null,5,0,null,null,null,null,2,null,null,6,4,null,4,7,null,null,null,null,null,1,null,null,null,null,null,null,6,null,null,7,8,0,null,null,null,null,null,null,null,null,3,null,null,8,4,null,6,5,null,2,null,null,null,7,null,null,0],"solution":[0,6,8,7,5,3,1,2,4,2,5,1,4,0,8,3,7,6,7,4,3,1,6,2,5,0,8,5,8,0,2,7,1,6,4,3,4,7,6,5,3,0,8,1,2,3,1,2,8,4,6,0,5,7,8,0,4,6,2,5,7,3,1,1,3,7,0,8,4,2,6,5,6,2,5,3,1,7,4,8,0]}
-PUZZLE:
-_ _ 9  _ _ _  _ _ _
-3 _ _  _ _ 9  _ 8 _
-_ _ _  _ 7 _  6 1 _
-
-_ _ _  3 _ _  7 5 _
-5 8 _  _ _ _  _ 2 _
-_ _ _  _ _ 7  _ _ 8
-
-9 1 _  _ _ _  _ _ _
-_ 4 _  _ 9 5  _ 7 6
-_ 3 _  _ _ 8  _ _ 1
-
-SOLUTION:
-1 7 9  8 6 4  2 3 5
-3 6 2  5 1 9  4 8 7
-8 5 4  2 7 3  6 1 9
-
-6 9 1  3 8 2  7 5 4
-5 8 7  6 4 1  9 2 3
-4 2 3  9 5 7  1 6 8
-
-9 1 5  7 3 6  8 4 2
-2 4 8  1 9 5  3 7 6
-7 3 6  4 2 8  5 9 1
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,null,null,null,7,null,7,null,null,6,null,null,null,null,null,null,null,5,null,2,null,null,null,4,2,null,null,null,3,0,null,null,1,null,1,null,8,null,null,null,6,null,null,null,3,null,null,null,null,null,null,5,null,null,0,null,null,6,8,null,null,null,null,null,null,null,null,null,2,3,null,null,5,null,null,null,null,null],"solution":[4,0,2,3,5,8,1,7,6,7,3,1,6,0,4,5,2,8,6,8,5,1,2,7,0,3,4,2,5,6,7,3,0,8,4,1,0,1,7,8,4,5,2,6,3,8,4,3,2,6,1,7,0,5,5,2,4,0,1,3,6,8,7,1,7,0,4,8,6,3,5,2,3,6,8,5,7,2,4,1,0]}
-PUZZLE:
-5 _ _  _ _ _  _ 8 _
-8 _ _  7 _ _  _ _ _
-_ _ 6  _ 3 _  _ _ 5
-
-3 _ _  _ 4 1  _ _ 2
-_ 2 _  9 _ _  _ 7 _
-_ _ 4  _ _ _  _ _ _
-
-6 _ _  1 _ _  7 9 _
-_ _ _  _ _ _  _ _ 3
-4 _ _  6 _ _  _ _ _
-
-SOLUTION:
-5 1 3  4 6 9  2 8 7
-8 4 2  7 1 5  6 3 9
-7 9 6  2 3 8  1 4 5
-
-3 6 7  8 4 1  9 5 2
-1 2 8  9 5 6  3 7 4
-9 5 4  3 7 2  8 1 6
-
-6 3 5  1 2 4  7 9 8
-2 8 1  5 9 7  4 6 3
-4 7 9  6 8 3  5 2 1
-
-RATING: 1
-DATA:
-{"puzzle":[1,2,null,null,null,8,6,null,null,4,null,null,5,null,null,2,0,null,null,7,null,null,null,1,null,null,null,null,0,null,null,null,null,5,2,null,7,null,null,4,null,5,null,null,null,null,null,null,null,0,null,null,null,6,null,8,null,null,null,0,3,7,null,0,null,null,null,null,null,null,6,null,null,null,7,1,null,null,null,null,null],"solution":[1,2,0,3,4,8,6,5,7,4,3,8,5,7,6,2,0,1,5,7,6,0,2,1,4,3,8,8,0,4,6,1,7,5,2,3,7,6,2,4,3,5,8,1,0,3,1,5,8,0,2,7,4,6,6,8,1,2,5,0,3,7,4,0,5,3,7,8,4,1,6,2,2,4,7,1,6,3,0,8,5]}
-PUZZLE:
-2 3 _  _ _ 9  7 _ _
-5 _ _  6 _ _  3 1 _
-_ 8 _  _ _ 2  _ _ _
-
-_ 1 _  _ _ _  6 3 _
-8 _ _  5 _ 6  _ _ _
-_ _ _  _ 1 _  _ _ 7
-
-_ 9 _  _ _ 1  4 8 _
-1 _ _  _ _ _  _ 7 _
-_ _ 8  2 _ _  _ _ _
-
-SOLUTION:
-2 3 1  4 5 9  7 6 8
-5 4 9  6 8 7  3 1 2
-6 8 7  1 3 2  5 4 9
-
-9 1 5  7 2 8  6 3 4
-8 7 3  5 4 6  9 2 1
-4 2 6  9 1 3  8 5 7
-
-7 9 2  3 6 1  4 8 5
-1 6 4  8 9 5  2 7 3
-3 5 8  2 7 4  1 9 6
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,3,null,0,6,7,null,null,8,null,4,null,null,null,null,null,0,2,null,null,null,null,null,2,null,null,3,null,0,6,null,null,8,null,3,4,2,8,null,null,null,null,1,null,null,3,null,null,null,null,0,null,null,7,null,null,8,4,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,5,null,null,0,1,null,null,null],"solution":[5,3,2,0,6,7,4,1,8,6,4,1,3,8,5,7,0,2,8,7,0,1,4,2,6,5,3,7,0,6,5,1,8,2,3,4,2,8,5,7,3,4,1,6,0,3,1,4,6,2,0,5,8,7,1,6,8,4,7,3,0,2,5,0,2,7,8,5,6,3,4,1,4,5,3,2,0,1,8,7,6]}
-PUZZLE:
-_ 4 _  1 7 8  _ _ 9
-_ 5 _  _ _ _  _ 1 3
-_ _ _  _ _ 3  _ _ 4
-
-_ 1 7  _ _ 9  _ 4 5
-3 9 _  _ _ _  2 _ _
-4 _ _  _ _ 1  _ _ 8
-
-_ _ 9  5 _ _  _ _ _
-_ _ _  _ 6 _  _ _ _
-_ 6 _  _ 1 2  _ _ _
-
-SOLUTION:
-6 4 3  1 7 8  5 2 9
-7 5 2  4 9 6  8 1 3
-9 8 1  2 5 3  7 6 4
-
-8 1 7  6 2 9  3 4 5
-3 9 6  8 4 5  2 7 1
-4 2 5  7 3 1  6 9 8
-
-2 7 9  5 8 4  1 3 6
-1 3 8  9 6 7  4 5 2
-5 6 4  3 1 2  9 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,null,null,null,null,null,null,7,null,0,null,null,1,null,5,null,null,null,null,4,7,null,6,null,6,null,null,3,null,null,2,null,null,null,4,null,null,1,null,7,null,null,null,null,1,5,null,0,null,null,3,null,2,null,null,null,null,3,null,null,null,null,7,null,null,null,null,0,null,0,null,null,null,null,3,null,null,4],"solution":[1,0,8,6,5,2,4,3,7,4,7,6,0,3,8,1,2,5,5,3,2,1,4,7,0,6,8,6,5,0,3,7,4,2,8,1,2,4,3,8,1,6,7,5,0,7,8,1,5,2,0,6,4,3,8,2,4,7,0,5,3,1,6,3,6,7,4,8,1,5,0,2,0,1,5,2,6,3,8,7,4]}
-PUZZLE:
-_ _ _  7 _ _  _ _ _
-_ 8 _  1 _ _  2 _ 6
-_ _ _  _ 5 8  _ 7 _
-
-7 _ _  4 _ _  3 _ _
-_ 5 _  _ 2 _  8 _ _
-_ _ 2  6 _ 1  _ _ 4
-
-_ 3 _  _ _ _  4 _ _
-_ _ 8  _ _ _  _ 1 _
-1 _ _  _ _ 4  _ _ 5
-
-SOLUTION:
-2 1 9  7 6 3  5 4 8
-5 8 7  1 4 9  2 3 6
-6 4 3  2 5 8  1 7 9
-
-7 6 1  4 8 5  3 9 2
-3 5 4  9 2 7  8 6 1
-8 9 2  6 3 1  7 5 4
-
-9 3 5  8 1 6  4 2 7
-4 7 8  5 9 2  6 1 3
-1 2 6  3 7 4  9 8 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,3,5,null,null,7,8,null,3,0,null,null,null,5,null,null,null,null,null,null,null,7,null,6,3,0,null,5,null,7,null,null,null,null,null,1,null,null,null,null,null,null,null,2,null,null,5,4,null,null,null,6,6,2,null,7,1,null,null,3,null,null,null,7,4,0,null,2,null,null,null,null,null,null,null,null,null,null,null],"solution":[1,6,2,3,5,0,4,7,8,7,3,0,8,6,4,5,2,1,4,5,8,1,2,7,0,6,3,0,4,5,6,7,1,3,8,2,8,1,6,0,3,2,7,5,4,2,7,3,5,4,8,1,0,6,6,2,4,7,1,5,8,3,0,3,8,7,4,0,6,2,1,5,5,0,1,2,8,3,6,4,7]}
-PUZZLE:
-_ _ _  4 6 _  _ 8 9
-_ 4 1  _ _ _  6 _ _
-_ _ _  _ _ 8  _ 7 4
-
-1 _ 6  _ 8 _  _ _ _
-_ 2 _  _ _ _  _ _ _
-3 _ _  6 5 _  _ _ 7
-
-7 3 _  8 2 _  _ 4 _
-_ _ 8  5 1 _  3 _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-2 7 3  4 6 1  5 8 9
-8 4 1  9 7 5  6 3 2
-5 6 9  2 3 8  1 7 4
-
-1 5 6  7 8 2  4 9 3
-9 2 7  1 4 3  8 6 5
-3 8 4  6 5 9  2 1 7
-
-7 3 5  8 2 6  9 4 1
-4 9 8  5 1 7  3 2 6
-6 1 2  3 9 4  7 5 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,8,null,null,null,null,null,null,null,1,null,null,null,2,null,null,null,null,null,4,null,3,6,null,0,null,null,0,null,null,null,null,null,null,null,8,null,null,null,5,null,null,7,5,null,4,2,null,null,null,1,null,7,3,null,null,4,null,null,null,null,4,null,2,3,null,null,null,0,null,null,null,5,null,null,null,null,null,6],"solution":[6,4,3,8,0,2,5,7,1,8,0,1,5,6,7,2,3,4,2,5,7,4,1,3,6,8,0,3,2,0,1,7,4,8,6,5,1,8,6,0,3,5,4,2,7,5,7,4,2,8,6,0,1,3,7,3,8,6,4,0,1,5,2,4,6,2,3,5,1,7,0,8,0,1,5,7,2,8,3,4,6]}
-PUZZLE:
-_ _ _  9 _ _  _ _ _
-_ _ 2  _ _ _  3 _ _
-_ _ _  5 _ 4  7 _ 1
-
-_ _ 1  _ _ _  _ _ _
-_ 9 _  _ _ 6  _ _ 8
-6 _ 5  3 _ _  _ 2 _
-
-8 4 _  _ 5 _  _ _ _
-5 _ 3  4 _ _  _ 1 _
-_ _ 6  _ _ _  _ _ 7
-
-SOLUTION:
-7 5 4  9 1 3  6 8 2
-9 1 2  6 7 8  3 4 5
-3 6 8  5 2 4  7 9 1
-
-4 3 1  2 8 5  9 7 6
-2 9 7  1 4 6  5 3 8
-6 8 5  3 9 7  1 2 4
-
-8 4 9  7 5 1  2 6 3
-5 7 3  4 6 2  8 1 9
-1 2 6  8 3 9  4 5 7
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,null,3,null,null,4,6,null,2,null,null,8,null,3,7,null,null,5,null,null,1,6,null,0,null,null,null,null,null,null,null,7,5,null,null,null,0,null,null,1,2,null,null,null,null,3,null,null,5,null,null,null,null,null,null,null,2,7,null,null,null,null,6,8,1,null,null,null,null,null,1,null,null,null,null],"solution":[8,5,6,1,7,0,2,4,3,0,1,4,6,3,2,5,7,8,2,3,7,8,4,5,6,0,1,6,4,0,3,5,8,1,2,7,3,7,5,2,6,1,0,8,4,1,2,8,7,0,4,3,5,6,5,6,1,0,8,7,4,3,2,7,0,3,4,2,6,8,1,5,4,8,2,5,1,3,7,6,0]}
-PUZZLE:
-_ _ _  _ _ 1  _ _ 4
-_ _ 5  7 _ 3  _ _ 9
-_ 4 8  _ _ 6  _ _ 2
-
-7 _ 1  _ _ _  _ _ _
-_ 8 6  _ _ _  1 _ _
-2 3 _  _ _ _  4 _ _
-
-6 _ _  _ _ _  _ _ 3
-8 _ _  _ _ 7  9 2 _
-_ _ _  _ 2 _  _ _ _
-
-SOLUTION:
-9 6 7  2 8 1  3 5 4
-1 2 5  7 4 3  6 8 9
-3 4 8  9 5 6  7 1 2
-
-7 5 1  4 6 9  2 3 8
-4 8 6  3 7 2  1 9 5
-2 3 9  8 1 5  4 6 7
-
-6 7 2  1 9 8  5 4 3
-8 1 4  5 3 7  9 2 6
-5 9 3  6 2 4  8 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,4,null,null,null,null,0,8,3,null,null,null,0,4,null,2,null,null,null,null,8,null,null,null,1,null,null,null,0,1,7,null,null,4,null,null,6,null,5,null,0,null,null,null,null,4,null,6,null,1,null,null,null,null,null,8,null,2,null,null,null,null,null,7,null,null,null,null,null,5,1,null,null,null,null,null,null,null,null],"solution":[7,6,1,4,2,3,5,8,0,8,3,5,1,7,0,4,6,2,4,0,2,5,8,6,7,3,1,5,8,3,0,1,7,6,2,4,2,1,6,3,5,4,0,7,8,0,7,4,2,6,8,1,5,3,6,5,0,8,4,2,3,1,7,3,2,7,6,0,1,8,4,5,1,4,8,7,3,5,2,0,6]}
-PUZZLE:
-_ 7 _  5 _ _  _ _ 1
-9 4 _  _ _ 1  5 _ 3
-_ _ _  _ 9 _  _ _ 2
-
-_ _ _  1 2 8  _ _ 5
-_ _ 7  _ 6 _  1 _ _
-_ _ 5  _ 7 _  2 _ _
-
-_ _ _  9 _ 3  _ _ _
-_ _ 8  _ _ _  _ _ 6
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 7 2  5 3 4  6 9 1
-9 4 6  2 8 1  5 7 3
-5 1 3  6 9 7  8 4 2
-
-6 9 4  1 2 8  7 3 5
-3 2 7  4 6 5  1 8 9
-1 8 5  3 7 9  2 6 4
-
-7 6 1  9 5 3  4 2 8
-4 3 8  7 1 2  9 5 6
-2 5 9  8 4 6  3 1 7
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,2,0,1,null,null,null,null,3,null,0,7,null,null,null,null,2,null,5,null,null,null,null,null,null,null,null,3,null,null,null,null,null,5,6,null,2,null,null,4,null,0,null,null,6,null,1,2,null,null,null,null,3,null,6,null,null,8,1,3,null,null,null,null,null,null,3,null,null,null,null,1,null,null,null,null,null,null,4,null],"solution":[7,8,2,0,1,5,6,3,4,3,1,0,7,6,4,5,8,2,4,5,6,8,2,3,7,0,1,8,3,4,1,7,0,2,5,6,5,2,7,3,4,6,0,1,8,6,0,1,2,5,8,4,7,3,0,6,5,4,8,1,3,2,7,2,4,8,5,3,7,1,6,0,1,7,3,6,0,2,8,4,5]}
-PUZZLE:
-_ _ 3  1 2 _  _ _ _
-4 _ 1  8 _ _  _ _ 3
-_ 6 _  _ _ _  _ _ _
-
-_ 4 _  _ _ _  _ 6 7
-_ 3 _  _ 5 _  1 _ _
-7 _ 2  3 _ _  _ _ 4
-
-_ 7 _  _ 9 2  4 _ _
-_ _ _  _ 4 _  _ _ _
-2 _ _  _ _ _  _ 5 _
-
-SOLUTION:
-8 9 3  1 2 6  7 4 5
-4 2 1  8 7 5  6 9 3
-5 6 7  9 3 4  8 1 2
-
-9 4 5  2 8 1  3 6 7
-6 3 8  4 5 7  1 2 9
-7 1 2  3 6 9  5 8 4
-
-1 7 6  5 9 2  4 3 8
-3 5 9  6 4 8  2 7 1
-2 8 4  7 1 3  9 5 6
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,7,null,null,5,null,null,null,null,0,8,null,null,0,null,null,null,1,null,null,null,null,6,7,null,4,null,8,null,null,5,null,4,null,0,null,null,null,null,null,null,5,null,null,null,null,null,2,null,4,null,null,null,null,null,6,null,null,1,null,null,8,null,6,4,0,null],"solution":[7,0,8,2,4,3,5,6,1,2,6,3,5,8,1,7,4,0,5,1,4,7,6,0,8,3,2,0,8,5,6,1,2,3,7,4,6,7,2,4,3,8,0,1,5,3,4,1,0,7,5,2,8,6,8,5,6,3,0,4,1,2,7,4,3,0,1,2,7,6,5,8,1,2,7,8,5,6,4,0,3]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ 4  _ _ _  8 _ _
-6 _ _  _ _ 1  9 _ _
-
-1 _ _  _ 2 _  _ _ _
-7 8 _  5 _ 9  _ _ 6
-_ 5 _  1 _ _  _ _ _
-
-_ 6 _  _ _ _  _ 3 _
-5 _ _  _ _ _  7 _ _
-2 _ _  9 _ 7  5 1 _
-
-SOLUTION:
-8 1 9  3 5 4  6 7 2
-3 7 4  6 9 2  8 5 1
-6 2 5  8 7 1  9 4 3
-
-1 9 6  7 2 3  4 8 5
-7 8 3  5 4 9  1 2 6
-4 5 2  1 8 6  3 9 7
-
-9 6 7  4 1 5  2 3 8
-5 4 1  2 3 8  7 6 9
-2 3 8  9 6 7  5 1 4
-
-RATING: 4.5
-DATA:
-{"puzzle":[6,4,null,null,null,null,null,0,7,2,0,null,8,null,7,5,null,null,null,null,5,null,null,null,null,null,null,1,null,null,null,null,null,null,null,8,null,null,null,null,null,null,6,2,null,null,2,null,null,5,null,1,4,null,null,8,7,null,null,null,2,null,5,null,3,null,7,null,null,null,null,null,4,null,null,0,null,null,null,null,null],"solution":[6,4,1,5,2,3,8,0,7,2,0,3,8,4,7,5,6,1,8,7,5,1,0,6,4,3,2,1,6,4,2,3,0,7,5,8,3,5,8,4,7,1,6,2,0,7,2,0,6,5,8,1,4,3,0,8,7,3,6,4,2,1,5,5,3,6,7,1,2,0,8,4,4,1,2,0,8,5,3,7,6]}
-PUZZLE:
-7 5 _  _ _ _  _ 1 8
-3 1 _  9 _ 8  6 _ _
-_ _ 6  _ _ _  _ _ _
-
-2 _ _  _ _ _  _ _ 9
-_ _ _  _ _ _  7 3 _
-_ 3 _  _ 6 _  2 5 _
-
-_ 9 8  _ _ _  3 _ 6
-_ 4 _  8 _ _  _ _ _
-5 _ _  1 _ _  _ _ _
-
-SOLUTION:
-7 5 2  6 3 4  9 1 8
-3 1 4  9 5 8  6 7 2
-9 8 6  2 1 7  5 4 3
-
-2 7 5  3 4 1  8 6 9
-4 6 9  5 8 2  7 3 1
-8 3 1  7 6 9  2 5 4
-
-1 9 8  4 7 5  3 2 6
-6 4 7  8 2 3  1 9 5
-5 2 3  1 9 6  4 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,null,null,3,2,5,null,1,null,null,null,null,4,null,null,null,null,null,null,null,3,null,null,null,null,null,null,1,5,null,null,5,null,4,null,7,null,2,null,null,8,2,null,null,null,null,6,null,6,null,null,null,null,null,null,7,null,null,null,null,null,2,null,8,null,0,null,3,null,7,null,null,6,null],"solution":[8,1,6,0,2,4,5,7,3,7,3,2,5,8,1,6,0,4,5,4,0,3,6,7,1,2,8,3,2,4,7,0,6,8,1,5,6,0,5,1,4,8,7,3,2,1,7,8,2,5,3,0,4,6,2,6,1,8,3,0,4,5,7,4,5,7,6,1,2,3,8,0,0,8,3,4,7,5,2,6,1]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 _
-_ 4 3  6 _ 2  _ _ _
-_ 5 _  _ _ _  _ _ _
-
-4 _ _  _ _ _  _ 2 6
-_ _ 6  _ 5 _  8 _ 3
-_ _ 9  3 _ _  _ _ 7
-
-_ 7 _  _ _ _  _ _ 8
-_ _ _  _ _ 3  _ 9 _
-1 _ 4  _ 8 _  _ 7 _
-
-SOLUTION:
-9 2 7  1 3 5  6 8 4
-8 4 3  6 9 2  7 1 5
-6 5 1  4 7 8  2 3 9
-
-4 3 5  8 1 7  9 2 6
-7 1 6  2 5 9  8 4 3
-2 8 9  3 6 4  1 5 7
-
-3 7 2  9 4 1  5 6 8
-5 6 8  7 2 3  4 9 1
-1 9 4  5 8 6  3 7 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,null,null,null,8,1,null,null,3,null,null,4,null,null,null,0,null,null,4,6,null,null,2,null,null,null,null,null,1,null,null,null,null,null,0,null,null,null,null,null,5,4,3,null,null,null,null,null,5,7,null,null,2,null,null,8,null,3,null,0,null,null,6,null,4,null,null,null,null,null,null,0,null,null,null,1,null,null,null],"solution":[6,7,0,3,5,2,8,1,4,1,3,2,7,4,8,6,5,0,8,5,4,6,1,0,2,3,7,7,2,5,1,3,4,0,6,8,0,8,1,2,7,6,5,4,3,3,4,6,0,8,5,7,2,1,2,1,7,8,6,3,4,0,5,5,6,3,4,0,7,1,8,2,4,0,8,5,2,1,3,7,6]}
-PUZZLE:
-_ 8 _  _ _ _  9 2 _
-_ 4 _  _ 5 _  _ _ 1
-_ _ 5  7 _ _  3 _ _
-
-_ _ _  2 _ _  _ _ _
-1 _ _  _ _ _  6 5 4
-_ _ _  _ _ 6  8 _ _
-
-3 _ _  9 _ 4  _ 1 _
-_ 7 _  5 _ _  _ _ _
-_ 1 _  _ _ 2  _ _ _
-
-SOLUTION:
-7 8 1  4 6 3  9 2 5
-2 4 3  8 5 9  7 6 1
-9 6 5  7 2 1  3 4 8
-
-8 3 6  2 4 5  1 7 9
-1 9 2  3 8 7  6 5 4
-4 5 7  1 9 6  8 3 2
-
-3 2 8  9 7 4  5 1 6
-6 7 4  5 1 8  2 9 3
-5 1 9  6 3 2  4 8 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,2,1,null,null,0,null,null,3,0,null,8,4,7,null,null,null,null,null,null,4,null,5,null,null,4,null,8,null,null,null,2,null,null,1,null,null,6,2,null,0,null,null,null,null,null,null,null,1,null,5,null,null,null,null,null,null,null,1,null,null,null,1,null,7,null,null,null,null,4,2,null,null,null,null,3,null,null],"solution":[7,5,4,6,2,1,8,3,0,2,6,3,0,5,8,4,7,1,1,8,0,7,3,4,2,5,6,0,4,7,8,1,5,6,2,3,5,1,8,3,6,2,7,0,4,6,3,2,4,0,7,1,8,5,8,7,6,5,4,3,0,1,2,3,0,1,2,7,6,5,4,8,4,2,5,1,8,0,3,6,7]}
-PUZZLE:
-_ _ _  _ 3 2  _ _ 1
-_ _ 4  1 _ 9  5 8 _
-_ _ _  _ _ 5  _ 6 _
-
-_ 5 _  9 _ _  _ 3 _
-_ 2 _  _ 7 3  _ 1 _
-_ _ _  _ _ _  2 _ 6
-
-_ _ _  _ _ _  _ 2 _
-_ _ 2  _ 8 _  _ _ _
-5 3 _  _ _ _  4 _ _
-
-SOLUTION:
-8 6 5  7 3 2  9 4 1
-3 7 4  1 6 9  5 8 2
-2 9 1  8 4 5  3 6 7
-
-1 5 8  9 2 6  7 3 4
-6 2 9  4 7 3  8 1 5
-7 4 3  5 1 8  2 9 6
-
-9 8 7  6 5 4  1 2 3
-4 1 2  3 8 7  6 5 9
-5 3 6  2 9 1  4 7 8
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,4,null,3,2,4,null,null,8,5,null,null,null,null,5,8,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,0,null,7,3,8,null,null,null,5,null,null,null,6,null,3,null,null,8,null,null,6,4,1,null,4,7,null,null,null,null,null,null,null],"solution":[0,6,4,8,3,5,2,7,1,8,5,7,6,2,1,0,3,4,1,3,2,4,7,0,8,5,6,7,2,3,5,8,4,1,6,0,6,8,0,3,1,2,7,4,5,5,4,1,0,6,7,3,8,2,2,1,5,7,4,8,6,0,3,3,0,8,2,5,6,4,1,7,4,7,6,1,0,3,5,2,8]}
-PUZZLE:
-_ 7 _  _ _ _  _ _ _
-_ _ _  _ _ 2  _ _ 5
-_ 4 3  5 _ _  9 6 _
-
-_ _ _  6 9 _  _ _ _
-_ _ _  _ _ _  8 _ _
-_ _ _  1 _ 8  4 9 _
-
-_ _ 6  _ _ _  7 _ 4
-_ _ 9  _ _ 7  5 2 _
-5 8 _  _ _ _  _ _ _
-
-SOLUTION:
-1 7 5  9 4 6  3 8 2
-9 6 8  7 3 2  1 4 5
-2 4 3  5 8 1  9 6 7
-
-8 3 4  6 9 5  2 7 1
-7 9 1  4 2 3  8 5 6
-6 5 2  1 7 8  4 9 3
-
-3 2 6  8 5 9  7 1 4
-4 1 9  3 6 7  5 2 8
-5 8 7  2 1 4  6 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,null,null,4,null,8,null,null,null,null,null,null,null,null,3,null,null,4,null,6,5,null,null,null,null,null,2,8,null,null,1,null,null,4,7,null,null,null,null,null,null,null,null,null,1,null,4,null,null,null,null,3,null,null,null,null,7,null,8,null,null,2,null,null,0,null,null,null,6,null,1,0,null,null,null,null,2,null,null],"solution":[0,6,3,7,2,4,1,8,5,5,7,2,8,1,0,4,3,6,8,4,1,6,5,3,7,0,2,3,2,8,5,0,1,6,7,4,7,5,4,2,3,6,0,1,8,6,1,0,4,8,7,5,2,3,4,3,6,1,7,2,8,5,0,2,8,7,0,4,5,3,6,1,1,0,5,3,6,8,2,4,7]}
-PUZZLE:
-_ 7 _  _ _ 5  _ 9 _
-_ _ _  _ _ _  _ 4 _
-_ 5 _  7 6 _  _ _ _
-
-_ 3 9  _ _ 2  _ _ 5
-8 _ _  _ _ _  _ _ _
-_ 2 _  5 _ _  _ _ 4
-
-_ _ _  _ 8 _  9 _ _
-3 _ _  1 _ _  _ 7 _
-2 1 _  _ _ _  3 _ _
-
-SOLUTION:
-1 7 4  8 3 5  2 9 6
-6 8 3  9 2 1  5 4 7
-9 5 2  7 6 4  8 1 3
-
-4 3 9  6 1 2  7 8 5
-8 6 5  3 4 7  1 2 9
-7 2 1  5 9 8  6 3 4
-
-5 4 7  2 8 3  9 6 1
-3 9 8  1 5 6  4 7 2
-2 1 6  4 7 9  3 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[0,6,null,2,null,null,null,null,null,null,null,2,null,0,null,1,null,null,null,null,5,null,null,7,null,null,null,null,7,6,null,null,1,null,3,2,8,null,null,null,6,null,null,null,null,null,null,null,null,null,4,6,null,null,null,4,8,null,null,5,0,null,null,null,null,null,null,7,null,null,6,null,null,5,null,null,8,null,null,null,null],"solution":[0,6,4,2,1,8,7,5,3,7,3,2,5,0,6,1,8,4,1,8,5,3,4,7,2,0,6,4,7,6,0,5,1,8,3,2,8,2,0,7,6,3,4,1,5,5,1,3,8,2,4,6,7,0,6,4,8,1,3,5,0,2,7,3,0,1,4,7,2,5,6,8,2,5,7,6,8,0,3,4,1]}
-PUZZLE:
-1 7 _  3 _ _  _ _ _
-_ _ 3  _ 1 _  2 _ _
-_ _ 6  _ _ 8  _ _ _
-
-_ 8 7  _ _ 2  _ 4 3
-9 _ _  _ 7 _  _ _ _
-_ _ _  _ _ 5  7 _ _
-
-_ 5 9  _ _ 6  1 _ _
-_ _ _  _ 8 _  _ 7 _
-_ 6 _  _ 9 _  _ _ _
-
-SOLUTION:
-1 7 5  3 2 9  8 6 4
-8 4 3  6 1 7  2 9 5
-2 9 6  4 5 8  3 1 7
-
-5 8 7  1 6 2  9 4 3
-9 3 1  8 7 4  5 2 6
-6 2 4  9 3 5  7 8 1
-
-7 5 9  2 4 6  1 3 8
-4 1 2  5 8 3  6 7 9
-3 6 8  7 9 1  4 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,6,5,0,null,null,2,null,8,null,null,null,null,null,null,null,null,null,2,null,null,null,3,null,null,null,2,3,null,null,null,null,0,null,null,null,null,null,8,null,6,null,null,null,null,8,7,null,null,null,null,5,null,1,null,null,null,null,4,null,null,null,0,null,5,null,1,7,4,null,null,null,null,null,null,null,null,null,null,2],"solution":[7,1,6,5,0,8,3,2,4,8,5,3,1,4,2,6,0,7,4,2,0,6,7,3,8,1,5,2,3,4,7,5,1,0,8,6,5,0,1,8,2,6,7,4,3,6,8,7,4,3,0,2,5,1,1,7,2,3,8,4,5,6,0,0,6,5,2,1,7,4,3,8,3,4,8,0,6,5,1,7,2]}
-PUZZLE:
-8 _ 7  6 1 _  _ 3 _
-9 _ _  _ _ _  _ _ _
-_ 3 _  _ _ 4  _ _ _
-
-3 4 _  _ _ _  1 _ _
-_ _ _  9 _ 7  _ _ _
-_ 9 8  _ _ _  _ 6 _
-
-2 _ _  _ _ 5  _ _ _
-1 _ 6  _ 2 8  5 _ _
-_ _ _  _ _ _  _ _ 3
-
-SOLUTION:
-8 2 7  6 1 9  4 3 5
-9 6 4  2 5 3  7 1 8
-5 3 1  7 8 4  9 2 6
-
-3 4 5  8 6 2  1 9 7
-6 1 2  9 3 7  8 5 4
-7 9 8  5 4 1  3 6 2
-
-2 8 3  4 9 5  6 7 1
-1 7 6  3 2 8  5 4 9
-4 5 9  1 7 6  2 8 3
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,3,null,2,null,null,null,null,null,null,null,6,null,null,8,null,5,3,null,null,1,null,null,null,null,null,null,null,null,8,0,null,6,null,4,null,null,null,0,null,4,2,8,6,null,null,null,null,null,null,null,null,3,null,null,null,null,null,7,null,0,null,5,null,7,null,null,null,null,null,null,null,null,4,null,null,8,null,2,null,null],"solution":[5,3,7,2,6,1,4,0,8,4,2,6,7,0,8,1,5,3,8,0,1,5,3,4,6,2,7,3,1,8,0,5,6,7,4,2,7,5,0,3,4,2,8,6,1,2,6,4,8,1,7,5,3,0,6,8,2,4,7,3,0,1,5,1,7,5,6,2,0,3,8,4,0,4,3,1,8,5,2,7,6]}
-PUZZLE:
-_ 4 _  3 _ _  _ _ _
-_ _ 7  _ _ 9  _ 6 4
-_ _ 2  _ _ _  _ _ _
-
-_ _ 9  1 _ 7  _ 5 _
-_ _ 1  _ 5 3  9 7 _
-_ _ _  _ _ _  _ 4 _
-
-_ _ _  _ 8 _  1 _ 6
-_ 8 _  _ _ _  _ _ _
-_ 5 _  _ 9 _  3 _ _
-
-SOLUTION:
-6 4 8  3 7 2  5 1 9
-5 3 7  8 1 9  2 6 4
-9 1 2  6 4 5  7 3 8
-
-4 2 9  1 6 7  8 5 3
-8 6 1  4 5 3  9 7 2
-3 7 5  9 2 8  6 4 1
-
-7 9 3  5 8 4  1 2 6
-2 8 6  7 3 1  4 9 5
-1 5 4  2 9 6  3 8 7
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,3,null,null,null,1,null,null,null,0,null,7,5,8,null,null,6,7,null,null,null,null,null,null,null,1,null,5,8,null,null,null,null,null,null,5,null,null,1,7,null,2,2,4,null,null,null,null,null,null,5,6,8,null,null,null,null,4,null,null,null,null,1,null,null,null,null,0,null,null,null,null,null,null,0,null,null,6],"solution":[0,5,8,2,3,4,6,7,1,1,2,4,0,6,7,5,8,3,3,6,7,1,5,8,2,4,0,7,1,3,5,8,2,0,6,4,8,0,5,6,4,1,7,3,2,2,4,6,7,0,3,8,1,5,6,8,0,3,1,5,4,2,7,5,7,1,4,2,6,3,0,8,4,3,2,8,7,0,1,5,6]}
-PUZZLE:
-_ _ _  _ 4 _  _ _ 2
-_ _ _  1 _ 8  6 9 _
-_ 7 8  _ _ _  _ _ _
-
-_ 2 _  6 9 _  _ _ _
-_ _ 6  _ _ 2  8 _ 3
-3 5 _  _ _ _  _ _ 6
-
-7 9 _  _ _ _  5 _ _
-_ _ 2  _ _ _  _ 1 _
-_ _ _  _ _ 1  _ _ 7
-
-SOLUTION:
-1 6 9  3 4 5  7 8 2
-2 3 5  1 7 8  6 9 4
-4 7 8  2 6 9  3 5 1
-
-8 2 4  6 9 3  1 7 5
-9 1 6  7 5 2  8 4 3
-3 5 7  8 1 4  9 2 6
-
-7 9 1  4 2 6  5 3 8
-6 8 2  5 3 7  4 1 9
-5 4 3  9 8 1  2 6 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,1,null,null,null,0,null,null,2,0,null,null,null,null,null,null,8,null,5,8,null,1,null,null,4,0,null,null,null,6,null,4,8,null,2,null,null,3,7,null,null,null,null,null,null,null,null,null,null,2,null,0,null,null,null,null,null,4,null,2,null,null,8,null,null,null,8,null,5,null,null,null,6,null,null,null,1,null,null,5,null],"solution":[7,1,4,6,8,0,5,3,2,0,6,3,2,5,4,1,8,7,5,8,2,1,3,7,4,0,6,1,0,6,3,4,8,7,2,5,2,3,7,5,0,6,8,4,1,8,4,5,7,2,1,0,6,3,3,5,0,4,7,2,6,1,8,4,2,1,8,6,5,3,7,0,6,7,8,0,1,3,2,5,4]}
-PUZZLE:
-_ 2 _  _ _ 1  _ _ 3
-1 _ _  _ _ _  _ 9 _
-6 9 _  2 _ _  5 1 _
-
-_ _ 7  _ 5 9  _ 3 _
-_ 4 8  _ _ _  _ _ _
-_ _ _  _ 3 _  1 _ _
-
-_ _ _  5 _ 3  _ _ 9
-_ _ _  9 _ 6  _ _ _
-7 _ _  _ 2 _  _ 6 _
-
-SOLUTION:
-8 2 5  7 9 1  6 4 3
-1 7 4  3 6 5  2 9 8
-6 9 3  2 4 8  5 1 7
-
-2 1 7  4 5 9  8 3 6
-3 4 8  6 1 7  9 5 2
-9 5 6  8 3 2  1 7 4
-
-4 6 1  5 8 3  7 2 9
-5 3 2  9 7 6  4 8 1
-7 8 9  1 2 4  3 6 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,null,null,null,null,5,2,null,null,null,null,null,null,4,null,null,1,null,7,8,null,4,null,null,null,7,null,0,null,null,null,null,null,5,2,null,null,null,null,null,null,null,null,0,1,null,null,7,2,null,null,null,null,null,null,null,4,null,5,null,7,null,null,null,null,0,7,null,0,8,5,null,null,1,null],"solution":[8,6,1,0,4,7,2,5,3,3,7,5,2,8,6,4,0,1,0,4,2,3,1,5,7,8,6,4,1,3,6,7,8,0,2,5,6,0,7,5,2,3,1,4,8,5,2,8,4,0,1,3,6,7,2,8,6,1,3,0,5,7,4,1,5,4,7,6,2,8,3,0,7,3,0,8,5,4,6,1,2]}
-PUZZLE:
-_ 7 _  _ _ _  _ _ _
-_ _ 6  3 _ _  _ _ _
-_ 5 _  _ 2 _  8 9 _
-
-5 _ _  _ 8 _  1 _ _
-_ _ _  6 3 _  _ _ _
-_ _ _  _ 1 2  _ _ 8
-
-3 _ _  _ _ _  _ _ 5
-_ 6 _  8 _ _  _ _ 1
-8 _ 1  9 6 _  _ 2 _
-
-SOLUTION:
-9 7 2  1 5 8  3 6 4
-4 8 6  3 9 7  5 1 2
-1 5 3  4 2 6  8 9 7
-
-5 2 4  7 8 9  1 3 6
-7 1 8  6 3 4  2 5 9
-6 3 9  5 1 2  4 7 8
-
-3 9 7  2 4 1  6 8 5
-2 6 5  8 7 3  9 4 1
-8 4 1  9 6 5  7 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,null,null,null,null,5,null,null,null,null,4,0,null,6,null,null,1,null,null,null,null,null,7,null,2,null,null,4,null,5,6,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,2,null,4,3,6,4,null,null,5,8,null,null,2,null,null,null,0,null,null,null,null,8,null,null,null,8,null,3,null,5,null,null],"solution":[7,4,6,2,1,3,0,5,8,8,2,5,4,0,7,6,1,3,1,0,3,8,6,5,7,4,2,0,8,4,3,5,6,2,7,1,6,3,2,1,7,4,8,0,5,5,7,1,0,2,8,4,3,6,4,6,7,5,8,1,3,2,0,3,5,0,6,4,2,1,8,7,2,1,8,7,3,0,5,6,4]}
-PUZZLE:
-8 _ _  _ _ _  _ 6 _
-_ _ _  5 1 _  7 _ _
-2 _ _  _ _ _  8 _ 3
-
-_ _ 5  _ 6 7  _ _ _
-_ _ _  2 _ _  _ _ _
-_ _ _  _ 3 _  5 4 7
-
-5 _ _  6 9 _  _ 3 _
-_ _ 1  _ _ _  _ 9 _
-_ _ 9  _ 4 _  6 _ _
-
-SOLUTION:
-8 5 7  3 2 4  1 6 9
-9 3 6  5 1 8  7 2 4
-2 1 4  9 7 6  8 5 3
-
-1 9 5  4 6 7  3 8 2
-7 4 3  2 8 5  9 1 6
-6 8 2  1 3 9  5 4 7
-
-5 7 8  6 9 2  4 3 1
-4 6 1  7 5 3  2 9 8
-3 2 9  8 4 1  6 7 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,6,null,8,null,null,null,null,null,null,null,null,4,null,3,null,1,null,0,null,2,7,null,null,null,null,null,5,null,null,3,7,1,null,null,null,null,7,null,null,2,null,null,0,null,null,3,null,null,8,2,null,null,null,4,0,null,null,null,null,null,6,5,null,null,null,null,null,null,4,null,1,null,8,null,null,null,null,null,null],"solution":[4,3,6,5,8,1,7,0,2,7,2,5,6,4,0,3,8,1,8,0,1,2,7,3,6,5,4,2,5,4,0,3,7,1,6,8,6,8,7,1,5,2,4,3,0,0,1,3,4,6,8,2,7,5,3,4,0,7,2,5,8,1,6,5,7,2,8,1,6,0,4,3,1,6,8,3,0,4,5,2,7]}
-PUZZLE:
-_ _ 7  _ 9 _  _ _ _
-_ _ _  _ 5 _  4 _ 2
-_ 1 _  3 8 _  _ _ _
-
-_ 6 _  _ 4 8  2 _ _
-_ _ 8  _ _ 3  _ _ 1
-_ _ 4  _ _ 9  3 _ _
-
-_ 5 1  _ _ _  _ _ 7
-6 _ _  _ _ _  _ 5 _
-2 _ 9  _ _ _  _ _ _
-
-SOLUTION:
-5 4 7  6 9 2  8 1 3
-8 3 6  7 5 1  4 9 2
-9 1 2  3 8 4  7 6 5
-
-3 6 5  1 4 8  2 7 9
-7 9 8  2 6 3  5 4 1
-1 2 4  5 7 9  3 8 6
-
-4 5 1  8 3 6  9 2 7
-6 8 3  9 2 7  1 5 4
-2 7 9  4 1 5  6 3 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,1,null,null,null,6,null,null,0,null,5,2,3,5,null,null,null,1,3,6,null,null,2,8,1,7,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,0,6,null,null,null,null,null,null,7,null,null,null,null,null,null,1,null,null,3,null,null,null,null,null,null,null,null,null,null,2,null,6,null,8,null],"solution":[8,7,3,5,6,2,1,4,0,1,6,4,8,0,7,5,2,3,5,2,0,4,1,3,6,7,8,2,8,1,7,3,0,4,6,5,3,5,7,6,8,4,2,0,1,4,0,6,1,2,5,8,3,7,7,4,2,3,5,8,0,1,6,6,3,8,0,4,1,7,5,2,0,1,5,2,7,6,3,8,4]}
-PUZZLE:
-_ _ _  _ _ _  2 _ _
-_ 7 _  _ 1 _  6 3 4
-6 _ _  _ 2 4  7 _ _
-
-3 9 2  8 _ _  _ _ _
-_ _ _  _ 9 _  _ _ _
-_ 1 7  _ _ _  _ _ _
-
-8 _ _  _ _ _  _ 2 _
-_ 4 _  _ _ _  _ _ _
-_ _ _  3 _ 7  _ 9 _
-
-SOLUTION:
-9 8 4  6 7 3  2 5 1
-2 7 5  9 1 8  6 3 4
-6 3 1  5 2 4  7 8 9
-
-3 9 2  8 4 1  5 7 6
-4 6 8  7 9 5  3 1 2
-5 1 7  2 3 6  9 4 8
-
-8 5 3  4 6 9  1 2 7
-7 4 9  1 5 2  8 6 3
-1 2 6  3 8 7  4 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,3,null,null,0,null,null,4,6,null,null,null,null,8,null,null,null,2,7,4,3,null,null,8,null,6,null,5,2,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,6,0,5,null,null,6,null,null,null,null,null,2,null,null,null,null,4,null,null,null,null,null,1,0,null,5,null,null,null,null,7],"solution":[6,2,5,8,1,3,7,4,0,7,3,4,6,0,5,2,1,8,0,8,1,2,7,4,3,6,5,8,4,6,0,5,2,1,7,3,3,5,0,1,4,7,6,8,2,2,1,7,3,8,6,0,5,4,4,6,8,7,3,0,5,2,1,5,7,3,4,2,1,8,0,6,1,0,2,5,6,8,4,3,7]}
-PUZZLE:
-_ _ _  _ _ 4  _ _ 1
-_ _ 5  7 _ _  _ _ 9
-_ _ _  3 8 5  4 _ _
-
-9 _ 7  _ 6 3  _ _ _
-4 _ _  _ _ _  _ _ _
-_ _ _  _ _ 7  1 6 _
-
-_ 7 _  _ _ _  _ 3 _
-_ _ _  5 _ _  _ _ _
-2 1 _  6 _ _  _ _ 8
-
-SOLUTION:
-7 3 6  9 2 4  8 5 1
-8 4 5  7 1 6  3 2 9
-1 9 2  3 8 5  4 7 6
-
-9 5 7  1 6 3  2 8 4
-4 6 1  2 5 8  7 9 3
-3 2 8  4 9 7  1 6 5
-
-5 7 9  8 4 1  6 3 2
-6 8 4  5 3 2  9 1 7
-2 1 3  6 7 9  5 4 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,2,null,7,null,null,null,null,null,8,null,6,null,null,4,null,null,null,5,null,8,1,null,null,3,null,3,null,null,null,null,null,null,null,8,5,4,0,null,null,null,null,null,1,null,2,null,7,0,5,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,null,5,0,7,6,null,null,null,null,null,null],"solution":[1,0,2,4,7,3,8,5,6,7,8,3,6,5,0,4,1,2,6,5,4,8,1,2,0,3,7,3,6,7,1,2,4,5,0,8,5,4,0,3,8,6,2,7,1,8,2,1,7,0,5,6,4,3,4,1,5,2,6,7,3,8,0,2,3,8,0,4,1,7,6,5,0,7,6,5,3,8,1,2,4]}
-PUZZLE:
-_ _ 3  _ 8 _  _ _ _
-_ 9 _  7 _ _  5 _ _
-_ 6 _  9 2 _  _ 4 _
-
-4 _ _  _ _ _  _ _ 9
-6 5 1  _ _ _  _ _ 2
-_ 3 _  8 1 6  _ 5 _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  _ _ _  8 _ 6
-1 8 7  _ _ _  _ _ _
-
-SOLUTION:
-2 1 3  5 8 4  9 6 7
-8 9 4  7 6 1  5 2 3
-7 6 5  9 2 3  1 4 8
-
-4 7 8  2 3 5  6 1 9
-6 5 1  4 9 7  3 8 2
-9 3 2  8 1 6  7 5 4
-
-5 2 6  3 7 8  4 9 1
-3 4 9  1 5 2  8 7 6
-1 8 7  6 4 9  2 3 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,5,null,null,3,null,null,null,1,null,7,6,null,null,null,0,5,null,8,1,null,null,null,null,4,null,null,null,3,null,null,5,null,null,2,6,null,null,null,null,4,null,8,null,null,2,null,null,null,null,null,null,1,null,null,8,0,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,3,null,6,null,null,7],"solution":[0,5,4,7,3,2,6,8,1,3,7,6,4,1,8,0,5,2,8,1,2,0,6,5,4,7,3,4,3,1,8,5,0,7,2,6,5,6,7,2,4,1,8,3,0,2,0,8,6,7,3,5,1,4,7,8,0,1,2,4,3,6,5,6,2,3,5,0,7,1,4,8,1,4,5,3,8,6,2,0,7]}
-PUZZLE:
-_ 6 _  _ 4 _  _ _ 2
-_ 8 7  _ _ _  1 6 _
-9 2 _  _ _ _  5 _ _
-
-_ 4 _  _ 6 _  _ 3 7
-_ _ _  _ 5 _  9 _ _
-3 _ _  _ _ _  _ 2 _
-
-_ 9 1  _ _ _  _ _ _
-_ _ _  _ _ 8  _ _ _
-_ _ _  4 _ 7  _ _ 8
-
-SOLUTION:
-1 6 5  8 4 3  7 9 2
-4 8 7  5 2 9  1 6 3
-9 2 3  1 7 6  5 8 4
-
-5 4 2  9 6 1  8 3 7
-6 7 8  3 5 2  9 4 1
-3 1 9  7 8 4  6 2 5
-
-8 9 1  2 3 5  4 7 6
-7 3 4  6 1 8  2 5 9
-2 5 6  4 9 7  3 1 8
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,1,null,0,null,null,null,null,null,null,null,null,5,4,null,7,2,7,null,null,null,null,2,null,null,3,null,null,null,null,null,null,null,6,null,8,1,null,null,null,null,3,0,null,6,null,null,null,1,null,null,null,null,3,8,null,null,null,null,2,5,null,4,6,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,8],"solution":[2,4,1,3,0,7,6,8,5,0,3,6,8,5,4,1,7,2,7,5,8,1,6,2,0,4,3,5,7,2,4,3,0,8,6,1,8,1,4,5,2,6,3,0,7,6,0,3,7,1,8,5,2,4,3,8,7,0,4,1,2,5,6,4,6,5,2,8,3,7,1,0,1,2,0,6,7,5,4,3,8]}
-PUZZLE:
-_ _ 2  _ 1 _  _ _ _
-_ _ _  _ 6 5  _ 8 3
-8 _ _  _ _ 3  _ _ 4
-
-_ _ _  _ _ _  _ 7 _
-9 2 _  _ _ _  4 1 _
-7 _ _  _ 2 _  _ _ _
-
-4 9 _  _ _ _  3 6 _
-5 7 _  _ _ _  _ _ _
-_ _ _  7 _ _  _ _ 9
-
-SOLUTION:
-3 5 2  4 1 8  7 9 6
-1 4 7  9 6 5  2 8 3
-8 6 9  2 7 3  1 5 4
-
-6 8 3  5 4 1  9 7 2
-9 2 5  6 3 7  4 1 8
-7 1 4  8 2 9  6 3 5
-
-4 9 8  1 5 2  3 6 7
-5 7 6  3 9 4  8 2 1
-2 3 1  7 8 6  5 4 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,3,6,null,null,null,0,null,null,null,null,3,4,null,null,null,null,null,1,null,null,0,2,null,null,4,null,8,null,null,null,null,6,null,null,null,null,2,null,null,null,5,null,1,6,null,null,7,null,8,4,null,null,null,null,null,null,null,null,null,5,8,null,null,null,null,null,4,1,null,null,null,null,7,8,null,6],"solution":[2,1,5,0,4,3,6,8,7,8,0,7,2,6,5,3,4,1,3,4,6,7,1,8,5,0,2,0,7,4,3,8,1,2,6,5,6,8,3,5,7,2,4,1,0,5,2,1,6,0,4,7,3,8,4,6,2,8,5,0,1,7,3,7,5,8,1,3,6,0,2,4,1,3,0,4,2,7,8,5,6]}
-PUZZLE:
-_ _ _  _ _ 4  7 _ _
-_ 1 _  _ _ _  4 5 _
-_ _ _  _ 2 _  _ 1 3
-
-_ _ 5  _ 9 _  _ _ _
-7 _ _  _ _ 3  _ _ _
-6 _ 2  7 _ _  8 _ 9
-
-5 _ _  _ _ _  _ _ _
-_ 6 9  _ _ _  _ _ 5
-2 _ _  _ _ 8  9 _ 7
-
-SOLUTION:
-3 2 6  1 5 4  7 9 8
-9 1 8  3 7 6  4 5 2
-4 5 7  8 2 9  6 1 3
-
-1 8 5  4 9 2  3 7 6
-7 9 4  6 8 3  5 2 1
-6 3 2  7 1 5  8 4 9
-
-5 7 3  9 6 1  2 8 4
-8 6 9  2 4 7  1 3 5
-2 4 1  5 3 8  9 6 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,null,6,0,null,7,5,null,null,null,null,4,null,null,null,8,0,null,null,null,null,6,3,1,4,null,null,null,null,null,null,null,null,null,8,null,null,null,null,4,null,null,6,7,null,3,null,null,null,null,5,7,null,null,null,null,1,null,null,8,null,null,null,7,null,0,null,2,null,null,null,null,null,null,null],"solution":[8,5,4,3,1,7,2,0,6,0,1,7,5,2,6,8,3,4,2,6,3,8,0,4,1,5,7,6,3,1,4,5,2,0,7,8,5,7,0,1,8,3,6,4,2,4,8,2,6,7,0,3,1,5,3,0,5,7,6,8,4,2,1,1,4,8,2,3,5,7,6,0,7,2,6,0,4,1,5,8,3]}
-PUZZLE:
-_ _ 5  _ _ _  _ _ 7
-1 _ 8  6 _ _  _ _ 5
-_ _ _  9 1 _  _ _ _
-
-7 4 2  5 _ _  _ _ _
-_ _ _  _ 9 _  _ _ _
-5 _ _  7 8 _  4 _ _
-
-_ _ 6  8 _ _  _ _ 2
-_ _ 9  _ _ _  8 _ 1
-_ 3 _  _ _ _  _ _ _
-
-SOLUTION:
-9 6 5  4 2 8  3 1 7
-1 2 8  6 3 7  9 4 5
-3 7 4  9 1 5  2 6 8
-
-7 4 2  5 6 3  1 8 9
-6 8 1  2 9 4  7 5 3
-5 9 3  7 8 1  4 2 6
-
-4 1 6  8 7 9  5 3 2
-2 5 9  3 4 6  8 7 1
-8 3 7  1 5 2  6 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,5,null,null,0,5,null,null,null,4,null,null,null,2,null,null,3,null,null,0,null,0,null,null,null,null,null,null,6,8,null,null,null,4,null,null,null,null,null,1,null,null,null,null,null,2,null,null,null,1,null,null,7,3,null,4,null,null,null,6,null,1,null,null,null,7,7,null,null,null,null,null,6,null,0],"solution":[6,8,1,0,2,4,7,5,3,3,0,5,8,6,7,4,2,1,4,2,7,1,3,5,8,0,6,0,7,4,3,5,2,1,6,8,2,6,3,4,8,1,0,7,5,1,5,8,7,0,6,2,3,4,8,1,0,6,7,3,5,4,2,5,4,6,2,1,0,3,8,7,7,3,2,5,4,8,6,1,0]}
-PUZZLE:
-_ _ _  _ 3 _  _ 6 _
-_ 1 6  _ _ _  5 _ _
-_ 3 _  _ 4 _  _ 1 _
-
-1 _ _  _ _ _  _ 7 9
-_ _ _  5 _ _  _ _ _
-2 _ _  _ _ _  3 _ _
-
-_ 2 _  _ 8 4  _ 5 _
-_ _ 7  _ 2 _  _ _ 8
-8 _ _  _ _ _  7 _ 1
-
-SOLUTION:
-7 9 2  1 3 5  8 6 4
-4 1 6  9 7 8  5 3 2
-5 3 8  2 4 6  9 1 7
-
-1 8 5  4 6 3  2 7 9
-3 7 4  5 9 2  1 8 6
-2 6 9  8 1 7  3 4 5
-
-9 2 1  7 8 4  6 5 3
-6 5 7  3 2 1  4 9 8
-8 4 3  6 5 9  7 2 1
-
-RATING: 0
-DATA:
-{"puzzle":[4,5,null,null,null,7,null,null,1,null,null,2,null,null,null,4,8,null,6,null,null,null,null,null,null,null,3,null,6,null,null,null,null,null,7,4,3,null,null,null,null,2,6,null,null,null,null,null,null,null,5,null,2,null,null,null,null,null,8,0,null,null,null,1,3,null,2,null,null,7,null,8,null,null,null,null,3,null,null,null,null],"solution":[4,5,3,8,0,7,2,6,1,0,1,2,6,5,3,4,8,7,6,8,7,1,2,4,5,0,3,2,6,5,0,1,8,3,7,4,3,0,8,4,7,2,6,1,5,7,4,1,3,6,5,8,2,0,5,2,4,7,8,0,1,3,6,1,3,0,2,4,6,7,5,8,8,7,6,5,3,1,0,4,2]}
-PUZZLE:
-5 6 _  _ _ 8  _ _ 2
-_ _ 3  _ _ _  5 9 _
-7 _ _  _ _ _  _ _ 4
-
-_ 7 _  _ _ _  _ 8 5
-4 _ _  _ _ 3  7 _ _
-_ _ _  _ _ 6  _ 3 _
-
-_ _ _  _ 9 1  _ _ _
-2 4 _  3 _ _  8 _ 9
-_ _ _  _ 4 _  _ _ _
-
-SOLUTION:
-5 6 4  9 1 8  3 7 2
-1 2 3  7 6 4  5 9 8
-7 9 8  2 3 5  6 1 4
-
-3 7 6  1 2 9  4 8 5
-4 1 9  5 8 3  7 2 6
-8 5 2  4 7 6  9 3 1
-
-6 3 5  8 9 1  2 4 7
-2 4 1  3 5 7  8 6 9
-9 8 7  6 4 2  1 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[5,0,null,null,null,2,null,null,null,null,null,null,1,null,null,null,null,null,8,null,2,7,4,null,null,0,null,6,null,null,null,2,null,null,null,4,null,8,7,null,null,null,null,1,null,3,null,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,5,0,null,null,null,null,5,null,2,null,null,null,null,null,0,7,null,3,8],"solution":[5,0,1,6,8,2,4,7,3,4,7,3,1,5,0,8,6,2,8,6,2,7,4,3,5,0,1,6,1,0,3,2,8,7,5,4,2,8,7,5,6,4,3,1,0,3,5,4,0,7,1,2,8,6,7,3,8,2,1,6,0,4,5,0,4,6,8,3,5,1,2,7,1,2,5,4,0,7,6,3,8]}
-PUZZLE:
-6 1 _  _ _ 3  _ _ _
-_ _ _  2 _ _  _ _ _
-9 _ 3  8 5 _  _ 1 _
-
-7 _ _  _ 3 _  _ _ 5
-_ 9 8  _ _ _  _ 2 _
-4 _ _  _ _ _  _ 9 _
-
-_ _ _  _ _ _  _ _ 6
-1 _ _  _ _ 6  _ 3 _
-_ _ _  _ 1 8  _ 4 9
-
-SOLUTION:
-6 1 2  7 9 3  5 8 4
-5 8 4  2 6 1  9 7 3
-9 7 3  8 5 4  6 1 2
-
-7 2 1  4 3 9  8 6 5
-3 9 8  6 7 5  4 2 1
-4 6 5  1 8 2  3 9 7
-
-8 4 9  3 2 7  1 5 6
-1 5 7  9 4 6  2 3 8
-2 3 6  5 1 8  7 4 9
-
-RATING: 1
-DATA:
-{"puzzle":[null,3,null,2,null,7,null,8,null,8,null,null,5,null,null,null,null,null,null,null,null,1,null,null,6,null,null,1,null,null,null,null,null,null,2,null,null,4,null,null,1,null,null,null,3,7,null,2,4,null,3,null,null,null,4,null,null,null,null,null,null,null,null,null,8,6,3,null,null,null,null,null,null,0,5,null,8,null,4,null,null],"solution":[6,3,0,2,4,7,1,8,5,8,1,4,5,6,0,2,3,7,5,2,7,1,3,8,6,4,0,1,6,3,8,7,5,0,2,4,0,4,8,6,1,2,5,7,3,7,5,2,4,0,3,8,1,6,4,7,1,0,2,6,3,5,8,2,8,6,3,5,4,7,0,1,3,0,5,7,8,1,4,6,2]}
-PUZZLE:
-_ 4 _  3 _ 8  _ 9 _
-9 _ _  6 _ _  _ _ _
-_ _ _  2 _ _  7 _ _
-
-2 _ _  _ _ _  _ 3 _
-_ 5 _  _ 2 _  _ _ 4
-8 _ 3  5 _ 4  _ _ _
-
-5 _ _  _ _ _  _ _ _
-_ 9 7  4 _ _  _ _ _
-_ 1 6  _ 9 _  5 _ _
-
-SOLUTION:
-7 4 1  3 5 8  2 9 6
-9 2 5  6 7 1  3 4 8
-6 3 8  2 4 9  7 5 1
-
-2 7 4  9 8 6  1 3 5
-1 5 9  7 2 3  6 8 4
-8 6 3  5 1 4  9 2 7
-
-5 8 2  1 3 7  4 6 9
-3 9 7  4 6 5  8 1 2
-4 1 6  8 9 2  5 7 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,0,3,2,null,8,4,null,null,null,null,1,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,6,3,8,5,0,null,null,null,null,null,null,6,null,null,null,5,null,7,null,null,null,8,null,null,null,5,null,null,5,null,null,null,null,4,null,null,null,null,2,4,null,null,7,null],"solution":[6,7,1,5,2,8,4,0,3,2,0,8,4,7,3,5,6,1,5,3,4,0,6,1,8,2,7,0,5,2,7,1,4,3,8,6,4,6,3,8,5,0,7,1,2,8,1,7,6,3,2,0,5,4,7,4,0,1,8,6,2,3,5,1,2,5,3,0,7,6,4,8,3,8,6,2,4,5,1,7,0]}
-PUZZLE:
-_ _ 2  _ _ _  _ 1 4
-3 _ 9  5 _ _  _ _ 2
-_ _ _  1 _ _  _ _ _
-
-_ _ _  _ _ _  4 _ _
-_ 7 4  9 6 1  _ _ _
-_ _ _  7 _ _  _ 6 _
-
-8 _ _  _ 9 _  _ _ 6
-_ _ 6  _ _ _  _ 5 _
-_ _ _  3 5 _  _ 8 _
-
-SOLUTION:
-7 8 2  6 3 9  5 1 4
-3 1 9  5 8 4  6 7 2
-6 4 5  1 7 2  9 3 8
-
-1 6 3  8 2 5  4 9 7
-5 7 4  9 6 1  8 2 3
-9 2 8  7 4 3  1 6 5
-
-8 5 1  2 9 7  3 4 6
-2 3 6  4 1 8  7 5 9
-4 9 7  3 5 6  2 8 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,7,null,null,8,4,null,null,null,null,3,null,null,0,null,null,null,5,null,1,8,7,null,null,null,null,null,8,null,null,null,null,6,null,null,null,null,null,null,null,2,null,0,null,null,null,0,null,null,null,8,2,1,7,null,null,null,null,null,null,5,null,null,null,null,3,null,null,null,null,7,4,null,null,1,4,7,null,null,null,null],"solution":[6,7,5,2,8,4,1,3,0,4,3,2,6,0,1,7,8,5,0,1,8,7,3,5,6,4,2,8,2,7,0,1,6,4,5,3,1,5,4,3,2,7,0,6,8,3,0,6,5,4,8,2,1,7,7,4,0,8,6,3,5,2,1,2,6,3,1,5,0,8,7,4,5,8,1,4,7,2,3,0,6]}
-PUZZLE:
-_ 8 _  _ 9 5  _ _ _
-_ 4 _  _ 1 _  _ _ 6
-_ 2 9  8 _ _  _ _ _
-
-9 _ _  _ _ 7  _ _ _
-_ _ _  _ 3 _  1 _ _
-_ 1 _  _ _ 9  3 2 8
-
-_ _ _  _ _ _  6 _ _
-_ _ 4  _ _ _  _ 8 5
-_ _ 2  5 8 _  _ _ _
-
-SOLUTION:
-7 8 6  3 9 5  2 4 1
-5 4 3  7 1 2  8 9 6
-1 2 9  8 4 6  7 5 3
-
-9 3 8  1 2 7  5 6 4
-2 6 5  4 3 8  1 7 9
-4 1 7  6 5 9  3 2 8
-
-8 5 1  9 7 4  6 3 2
-3 7 4  2 6 1  9 8 5
-6 9 2  5 8 3  4 1 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,8,null,null,null,2,null,null,null,null,null,null,null,7,null,null,3,2,0,null,5,null,null,null,null,4,null,null,null,null,null,2,null,null,null,null,null,null,4,1,null,null,7,null,null,3,5,null,8,null,4,5,0,null,1,3,null,null,null,null,1,8,null,null,null,null,4,6,null,null,null,null,null,null,null,null],"solution":[0,3,4,6,7,5,8,1,2,5,2,6,1,4,8,7,3,0,7,1,8,3,2,0,4,5,6,1,5,0,4,8,6,2,7,3,2,8,3,5,0,7,6,4,1,4,6,7,2,1,3,5,0,8,8,4,5,0,6,1,3,2,7,3,7,1,8,5,2,0,6,4,6,0,2,7,3,4,1,8,5]}
-PUZZLE:
-_ _ _  _ _ _  9 _ _
-_ 3 _  _ _ _  _ _ _
-8 _ _  4 3 1  _ 6 _
-
-_ _ _  5 _ _  _ _ _
-3 _ _  _ _ _  _ 5 2
-_ _ 8  _ _ 4  6 _ 9
-
-_ 5 6  1 _ 2  4 _ _
-_ _ 2  9 _ _  _ _ 5
-7 _ _  _ _ _  _ _ _
-
-SOLUTION:
-1 4 5  7 8 6  9 2 3
-6 3 7  2 5 9  8 4 1
-8 2 9  4 3 1  5 6 7
-
-2 6 1  5 9 7  3 8 4
-3 9 4  6 1 8  7 5 2
-5 7 8  3 2 4  6 1 9
-
-9 5 6  1 7 2  4 3 8
-4 8 2  9 6 3  1 7 5
-7 1 3  8 4 5  2 9 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,3,null,1,null,6,8,null,null,null,5,null,5,null,null,1,null,null,null,8,4,null,null,null,5,2,null,null,null,null,null,7,8,null,null,6,null,null,null,null,5,null,null,3,null,4,null,null,null,null,null,null,7,8,null,null,2,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,7,null],"solution":[8,4,0,2,7,5,1,6,3,7,1,3,6,8,0,4,2,5,6,5,2,3,1,4,7,0,8,4,0,6,7,5,2,3,8,1,3,2,7,8,4,1,6,5,0,1,8,5,0,6,3,2,4,7,0,3,4,5,2,7,8,1,6,2,7,8,1,0,6,5,3,4,5,6,1,4,3,8,0,7,2]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 4
-_ 2 _  7 9 _  _ _ 6
-_ 6 _  _ 2 _  _ _ 9
-
-5 _ _  _ 6 3  _ _ _
-_ _ 8  9 _ _  7 _ _
-_ _ 6  _ _ 4  _ 5 _
-
-_ _ _  _ _ 8  9 _ _
-3 _ _  _ _ _  _ _ _
-_ 7 _  _ _ _  _ 8 _
-
-SOLUTION:
-9 5 1  3 8 6  2 7 4
-8 2 4  7 9 1  5 3 6
-7 6 3  4 2 5  8 1 9
-
-5 1 7  8 6 3  4 9 2
-4 3 8  9 5 2  7 6 1
-2 9 6  1 7 4  3 5 8
-
-1 4 5  6 3 8  9 2 7
-3 8 9  2 1 7  6 4 5
-6 7 2  5 4 9  1 8 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,null,null,null,6,null,null,0,6,null,2,null,3,null,4,null,null,null,null,null,null,5,7,null,0,null,null,6,3,null,null,null,null,null,null,null,null,null,null,null,2,1,null,4,null,0,null,null,null,null,null,null,null,7,null,null,null,1,null,null,2,null,null,4,null,null,null,5,null,5,null,0,null,null,null,6,null],"solution":[3,1,8,5,7,4,0,2,6,5,7,0,6,8,2,1,3,4,4,6,2,1,3,0,8,5,7,2,0,7,8,6,3,5,4,1,6,8,5,4,1,7,3,0,2,1,3,4,2,0,5,6,7,8,8,4,3,7,5,6,2,1,0,0,2,6,3,4,1,7,8,5,7,5,1,0,2,8,4,6,3]}
-PUZZLE:
-_ _ 9  _ _ _  _ _ 7
-_ _ 1  7 _ 3  _ 4 _
-5 _ _  _ _ _  _ 6 8
-
-_ 1 _  _ 7 4  _ _ _
-_ _ _  _ _ _  _ _ 3
-2 _ 5  _ 1 _  _ _ _
-
-_ _ _  8 _ _  _ 2 _
-_ 3 _  _ 5 _  _ _ 6
-_ 6 _  1 _ _  _ 7 _
-
-SOLUTION:
-4 2 9  6 8 5  1 3 7
-6 8 1  7 9 3  2 4 5
-5 7 3  2 4 1  9 6 8
-
-3 1 8  9 7 4  6 5 2
-7 9 6  5 2 8  4 1 3
-2 4 5  3 1 6  7 8 9
-
-9 5 4  8 6 7  3 2 1
-1 3 7  4 5 2  8 9 6
-8 6 2  1 3 9  5 7 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,7,null,8,null,null,2,null,0,null,null,null,null,null,null,null,7,null,8,null,null,null,5,1,null,null,2,null,null,null,null,null,7,4,null,null,3,5,null,1,null,null,1,null,6,null,null,null,null,2,null,null,null,null,null,null,5,null,null,0,null,1,null,null,8,null,null,null,5,null,null,null,null,null,1,2,8,null],"solution":[5,4,1,6,7,3,8,0,2,2,8,0,5,1,4,3,7,6,6,7,3,8,2,0,4,5,1,8,3,2,1,0,6,5,4,7,4,0,7,3,5,2,1,6,8,1,5,6,7,4,8,0,2,3,3,2,8,4,6,5,7,1,0,0,1,4,2,8,7,6,3,5,7,6,5,0,3,1,2,8,4]}
-PUZZLE:
-_ _ _  _ 8 _  9 _ _
-3 _ 1  _ _ _  _ _ _
-_ 8 _  9 _ _  _ 6 2
-
-_ _ 3  _ _ _  _ _ 8
-5 _ _  4 6 _  2 _ _
-2 _ 7  _ _ _  _ 3 _
-
-_ _ _  _ _ 6  _ _ 1
-_ 2 _  _ 9 _  _ _ 6
-_ _ _  _ _ 2  3 9 _
-
-SOLUTION:
-6 5 2  7 8 4  9 1 3
-3 9 1  6 2 5  4 8 7
-7 8 4  9 3 1  5 6 2
-
-9 4 3  2 1 7  6 5 8
-5 1 8  4 6 3  2 7 9
-2 6 7  8 5 9  1 3 4
-
-4 3 9  5 7 6  8 2 1
-1 2 5  3 9 8  7 4 6
-8 7 6  1 4 2  3 9 5
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,null,0,null,null,3,null,null,null,null,null,null,4,null,2,null,8,null,4,0,7,null,null,null,null,6,null,null,null,null,null,1,null,6,null,8,null,null,null,null,null,null,1,null,null,null,null,3,null,2,8,null,null,null,null,8,null,null,null,null,null,null,null,6,null,1,null,null,null,null,4,1,7,null,null,3,null,null,null,null],"solution":[5,8,2,0,1,6,3,4,7,6,1,7,5,4,3,2,0,8,3,4,0,7,2,8,1,5,6,7,5,3,8,0,1,4,6,2,8,2,6,4,5,7,0,1,3,4,0,1,3,6,2,8,7,5,0,3,8,6,7,4,5,2,1,2,6,5,1,8,0,7,3,4,1,7,4,2,3,5,6,8,0]}
-PUZZLE:
-6 _ _  1 _ _  4 _ _
-_ _ _  _ 5 _  3 _ 9
-_ 5 1  8 _ _  _ _ 7
-
-_ _ _  _ _ 2  _ 7 _
-9 _ _  _ _ _  _ 2 _
-_ _ _  4 _ 3  9 _ _
-
-_ _ 9  _ _ _  _ _ _
-_ 7 _  2 _ _  _ _ 5
-2 8 _  _ 4 _  _ _ _
-
-SOLUTION:
-6 9 3  1 2 7  4 5 8
-7 2 8  6 5 4  3 1 9
-4 5 1  8 3 9  2 6 7
-
-8 6 4  9 1 2  5 7 3
-9 3 7  5 6 8  1 2 4
-5 1 2  4 7 3  9 8 6
-
-1 4 9  7 8 5  6 3 2
-3 7 6  2 9 1  8 4 5
-2 8 5  3 4 6  7 9 1
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,4,null,null,2,null,null,null,null,7,null,8,null,null,null,null,3,2,null,null,3,null,0,null,null,6,null,null,null,null,null,null,7,null,2,1,null,5,null,null,null,null,0,null,null,3,null,null,6,null,null,null,null,null,null,null,null,0,8,null,null,null,null,null,null,2,null,null,4,null,null,5,null,6,1,null,7,null,null,null,null],"solution":[6,4,5,3,2,1,8,0,7,7,0,8,4,5,6,1,3,2,2,1,3,7,0,8,5,6,4,4,8,0,5,3,7,6,2,1,1,5,6,8,4,2,0,7,3,3,2,7,6,1,0,4,5,8,5,7,4,0,8,3,2,1,6,0,3,2,1,6,4,7,8,5,8,6,1,2,7,5,3,4,0]}
-PUZZLE:
-_ 5 _  _ 3 _  _ _ _
-8 _ 9  _ _ _  _ 4 3
-_ _ 4  _ 1 _  _ 7 _
-
-_ _ _  _ _ 8  _ 3 2
-_ 6 _  _ _ _  1 _ _
-4 _ _  7 _ _  _ _ _
-
-_ _ _  1 9 _  _ _ _
-_ _ 3  _ _ 5  _ _ 6
-_ 7 2  _ 8 _  _ _ _
-
-SOLUTION:
-7 5 6  4 3 2  9 1 8
-8 1 9  5 6 7  2 4 3
-3 2 4  8 1 9  6 7 5
-
-5 9 1  6 4 8  7 3 2
-2 6 7  9 5 3  1 8 4
-4 3 8  7 2 1  5 6 9
-
-6 8 5  1 9 4  3 2 7
-1 4 3  2 7 5  8 9 6
-9 7 2  3 8 6  4 5 1
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,5,2,null,8,null,null,4,null,null,6,7,0,null,null,null,null,5,null,null,null,1,null,null,6,null,0,null,null,null,null,null,1,null,null,null,8,7,null,null,null,null,null,null,null,null,null,5,null,2,null,null,null,null,4,null,null,null,1,null,5,null,7,null,null,null,null,3,8,null,null,null,null,2,null,5,null,null,8,3,null],"solution":[0,5,2,6,8,7,1,4,3,1,6,7,0,4,3,2,8,5,3,4,8,1,5,2,6,7,0,2,0,4,8,7,1,3,5,6,8,7,1,3,6,5,0,2,4,6,3,5,4,2,0,7,1,8,4,8,3,2,1,6,5,0,7,5,1,0,7,3,8,4,6,2,7,2,6,5,0,4,8,3,1]}
-PUZZLE:
-_ 6 3  _ 9 _  _ 5 _
-_ 7 8  1 _ _  _ _ 6
-_ _ _  2 _ _  7 _ 1
-
-_ _ _  _ _ 2  _ _ _
-9 8 _  _ _ _  _ _ _
-_ _ 6  _ 3 _  _ _ _
-
-5 _ _  _ 2 _  6 _ 8
-_ _ _  _ 4 9  _ _ _
-_ 3 _  6 _ _  9 4 _
-
-SOLUTION:
-1 6 3  7 9 8  2 5 4
-2 7 8  1 5 4  3 9 6
-4 5 9  2 6 3  7 8 1
-
-3 1 5  9 8 2  4 6 7
-9 8 2  4 7 6  1 3 5
-7 4 6  5 3 1  8 2 9
-
-5 9 4  3 2 7  6 1 8
-6 2 1  8 4 9  5 7 3
-8 3 7  6 1 5  9 4 2
-
-RATING: 2.25
-DATA:
-{"puzzle":[6,3,null,5,null,null,null,null,null,8,null,null,null,1,null,null,null,null,null,null,null,null,7,3,4,null,1,null,null,null,null,8,null,null,null,null,null,null,null,null,0,1,3,null,null,5,null,null,2,null,null,null,null,null,null,null,null,null,null,2,1,null,null,null,7,5,null,null,null,8,3,0,null,null,6,null,null,null,null,null,2],"solution":[6,3,1,5,2,4,7,0,8,8,4,7,6,1,0,2,5,3,0,5,2,8,7,3,4,6,1,4,2,0,3,8,5,6,1,7,7,6,8,4,0,1,3,2,5,5,1,3,2,6,7,0,8,4,3,8,4,0,5,2,1,7,6,2,7,5,1,4,6,8,3,0,1,0,6,7,3,8,5,4,2]}
-PUZZLE:
-7 4 _  6 _ _  _ _ _
-9 _ _  _ 2 _  _ _ _
-_ _ _  _ 8 4  5 _ 2
-
-_ _ _  _ 9 _  _ _ _
-_ _ _  _ 1 2  4 _ _
-6 _ _  3 _ _  _ _ _
-
-_ _ _  _ _ 3  2 _ _
-_ 8 6  _ _ _  9 4 1
-_ _ 7  _ _ _  _ _ 3
-
-SOLUTION:
-7 4 2  6 3 5  8 1 9
-9 5 8  7 2 1  3 6 4
-1 6 3  9 8 4  5 7 2
-
-5 3 1  4 9 6  7 2 8
-8 7 9  5 1 2  4 3 6
-6 2 4  3 7 8  1 9 5
-
-4 9 5  1 6 3  2 8 7
-3 8 6  2 5 7  9 4 1
-2 1 7  8 4 9  6 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,7,8,null,null,null,null,7,1,5,null,null,null,null,null,null,null,3,null,null,null,7,1,8,6,null,null,2,null,null,null,0,2,null,null,null,7,null,null,null,4,null,null,null,0,null,null,6,1,null,null,null,6,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,5,8,null,null,null,null,1,4,null],"solution":[1,4,5,2,6,7,8,0,3,3,0,7,1,5,8,4,2,6,6,2,8,3,0,4,5,7,1,8,6,3,4,2,1,7,5,0,2,1,0,5,7,6,3,8,4,7,5,4,0,8,3,6,1,2,4,7,6,8,1,2,0,3,5,0,3,1,7,4,5,2,6,8,5,8,2,6,3,0,1,4,7]}
-PUZZLE:
-_ _ 6  _ _ 8  9 _ _
-_ _ 8  2 6 _  _ _ _
-_ _ _  4 _ _  _ 8 2
-
-9 7 _  _ 3 _  _ _ 1
-3 _ _  _ 8 _  _ _ 5
-_ _ _  1 _ _  7 2 _
-
-_ _ 7  _ _ _  _ _ _
-_ 4 _  _ _ _  _ _ _
-6 9 _  _ _ _  2 5 _
-
-SOLUTION:
-2 5 6  3 7 8  9 1 4
-4 1 8  2 6 9  5 3 7
-7 3 9  4 1 5  6 8 2
-
-9 7 4  5 3 2  8 6 1
-3 2 1  6 8 7  4 9 5
-8 6 5  1 9 4  7 2 3
-
-5 8 7  9 2 3  1 4 6
-1 4 2  8 5 6  3 7 9
-6 9 3  7 4 1  2 5 8
-
-RATING: 1.25
-DATA:
-{"puzzle":[2,null,null,6,null,null,null,null,null,null,4,6,null,null,3,null,null,null,1,null,null,null,5,8,null,null,2,null,7,null,0,null,4,2,null,null,5,null,null,null,3,null,null,null,4,3,null,null,null,null,null,6,null,null,0,null,null,null,null,7,1,null,null,null,2,null,null,null,1,null,null,null,null,null,null,null,4,null,null,null,null],"solution":[2,8,5,6,7,0,4,1,3,7,4,6,1,2,3,5,8,0,1,3,0,4,5,8,7,6,2,6,7,8,0,1,4,2,3,5,5,1,2,7,3,6,8,0,4,3,0,4,5,8,2,6,7,1,0,5,3,2,6,7,1,4,8,4,2,7,8,0,1,3,5,6,8,6,1,3,4,5,0,2,7]}
-PUZZLE:
-3 _ _  7 _ _  _ _ _
-_ 5 7  _ _ 4  _ _ _
-2 _ _  _ 6 9  _ _ 3
-
-_ 8 _  1 _ 5  3 _ _
-6 _ _  _ 4 _  _ _ 5
-4 _ _  _ _ _  7 _ _
-
-1 _ _  _ _ 8  2 _ _
-_ 3 _  _ _ 2  _ _ _
-_ _ _  _ 5 _  _ _ _
-
-SOLUTION:
-3 9 6  7 8 1  5 2 4
-8 5 7  2 3 4  6 9 1
-2 4 1  5 6 9  8 7 3
-
-7 8 9  1 2 5  3 4 6
-6 2 3  8 4 7  9 1 5
-4 1 5  6 9 3  7 8 2
-
-1 6 4  3 7 8  2 5 9
-5 3 8  9 1 2  4 6 7
-9 7 2  4 5 6  1 3 8
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,null,null,null,null,null,0,null,null,null,null,4,null,null,null,null,null,null,null,null,5,6,1,4,null,null,4,null,8,null,null,null,null,7,null,null,null,2,null,null,null,null,null,null,null,7,null,null,null,5,null,3,null,8,null,null,3,null,0,null,null,5,3,null,null,null,null,4,6,null,7,null,4,null,null,null,7,null,null,null],"solution":[2,5,4,7,8,3,1,0,6,6,8,1,4,0,2,7,5,3,7,0,3,5,6,1,4,2,8,4,1,8,0,3,6,5,7,2,5,3,2,1,7,8,0,6,4,0,7,6,2,4,5,8,3,1,8,6,7,3,1,0,2,4,5,3,2,0,8,5,4,6,1,7,1,4,5,6,2,7,3,8,0]}
-PUZZLE:
-3 _ _  _ _ _  _ 1 _
-_ _ _  5 _ _  _ _ _
-_ _ _  6 7 2  5 _ _
-
-5 _ 9  _ _ _  _ 8 _
-_ _ 3  _ _ _  _ _ _
-_ 8 _  _ _ 6  _ 4 _
-
-9 _ _  4 _ 1  _ _ 6
-4 _ _  _ _ 5  7 _ 8
-_ 5 _  _ _ 8  _ _ _
-
-SOLUTION:
-3 6 5  8 9 4  2 1 7
-7 9 2  5 1 3  8 6 4
-8 1 4  6 7 2  5 3 9
-
-5 2 9  1 4 7  6 8 3
-6 4 3  2 8 9  1 7 5
-1 8 7  3 5 6  9 4 2
-
-9 7 8  4 2 1  3 5 6
-4 3 1  9 6 5  7 2 8
-2 5 6  7 3 8  4 9 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,3,null,null,1,null,6,null,4,null,null,null,null,null,7,null,1,null,null,5,0,null,null,1,null,7,null,8,null,null,5,0,3,null,2,null,null,null,null,null,null,null,null,null,5,4,null,1,null,null,2,7,null,null,6,null,null,null,null,null,null,null,7,null,null,null,null,5,null,null,null,null,null,7,6,null],"solution":[2,5,8,6,0,7,3,4,1,1,0,6,5,4,3,2,8,7,4,7,3,1,8,2,5,0,6,6,1,4,7,3,8,0,2,5,0,3,5,2,6,1,8,7,4,7,8,2,0,5,4,6,1,3,3,2,7,8,1,6,4,5,0,8,6,0,4,7,5,1,3,2,5,4,1,3,2,0,7,6,8]}
-PUZZLE:
-_ _ _  _ _ _  4 _ _
-2 _ 7  _ 5 _  _ _ _
-_ 8 _  2 _ _  6 1 _
-
-_ 2 _  8 _ 9  _ _ 6
-1 4 _  3 _ _  _ _ _
-_ _ _  _ 6 5  _ 2 _
-
-_ 3 8  _ _ 7  _ _ _
-_ _ _  _ 8 _  _ _ _
-6 _ _  _ _ _  8 7 _
-
-SOLUTION:
-3 6 9  7 1 8  4 5 2
-2 1 7  6 5 4  3 9 8
-5 8 4  2 9 3  6 1 7
-
-7 2 5  8 4 9  1 3 6
-1 4 6  3 7 2  9 8 5
-8 9 3  1 6 5  7 2 4
-
-4 3 8  9 2 7  5 6 1
-9 7 1  5 8 6  2 4 3
-6 5 2  4 3 1  8 7 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,2,null,null,null,null,null,2,null,6,null,null,3,null,null,5,7,null,null,null,0,null,null,1,null,null,null,2,null,3,6,5,null,null,null,null,null,null,5,null,null,null,6,null,null,null,4,null,null,2,null,null,6,null,null,null,8,null,null,4,null,null,3,null,null,null,null,null,null,null,null,null,8,null,null,0,3,null,null],"solution":[0,5,4,2,1,7,8,6,3,2,1,6,8,4,3,7,0,5,7,8,3,6,0,5,4,1,2,8,0,2,1,3,6,5,7,4,3,4,7,0,5,2,1,8,6,5,6,1,4,7,8,2,3,0,6,2,5,3,8,1,0,4,7,1,3,0,7,2,4,6,5,8,4,7,8,5,6,0,3,2,1]}
-PUZZLE:
-_ _ _  3 _ _  _ _ _
-3 _ 7  _ _ 4  _ _ 6
-8 _ _  _ 1 _  _ 2 _
-
-_ _ 3  _ 4 7  6 _ _
-_ _ _  _ 6 _  _ _ 7
-_ _ _  5 _ _  3 _ _
-
-7 _ _  _ 9 _  _ 5 _
-_ 4 _  _ _ _  _ _ _
-_ _ 9  _ _ 1  4 _ _
-
-SOLUTION:
-1 6 5  3 2 8  9 7 4
-3 2 7  9 5 4  8 1 6
-8 9 4  7 1 6  5 2 3
-
-9 1 3  2 4 7  6 8 5
-4 5 8  1 6 3  2 9 7
-6 7 2  5 8 9  3 4 1
-
-7 3 6  4 9 2  1 5 8
-2 4 1  8 3 5  7 6 9
-5 8 9  6 7 1  4 3 2
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,2,6,null,null,null,null,null,5,null,5,null,null,null,null,8,null,6,null,null,3,null,null,7,null,null,null,null,null,null,null,null,null,1,null,null,2,null,1,0,5,null,null,3,null,null,null,null,5,8,null,2,null,0,null,null,null,null,7,null,null,null,null,6,7,null,null,null,null,null,1,null,null],"solution":[0,8,1,6,4,5,2,3,7,2,6,4,1,3,7,8,5,0,5,7,3,2,0,8,4,6,1,8,3,2,4,7,0,6,1,5,6,5,7,3,8,1,0,4,2,4,1,0,5,2,6,3,7,8,1,4,5,8,6,2,7,0,3,3,0,8,7,1,4,5,2,6,7,2,6,0,5,3,1,8,4]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-3 7 _  _ _ _  _ 6 _
-6 _ _  _ _ 9  _ 7 _
-
-_ 4 _  _ 8 _  _ _ _
-_ _ _  _ _ 2  _ _ 3
-_ 2 1  6 _ _  4 _ _
-
-_ _ 6  9 _ 3  _ 1 _
-_ _ _  8 _ _  _ _ 7
-8 _ _  _ _ _  2 _ _
-
-SOLUTION:
-1 9 2  7 5 6  3 4 8
-3 7 5  2 4 8  9 6 1
-6 8 4  3 1 9  5 7 2
-
-9 4 3  5 8 1  7 2 6
-7 6 8  4 9 2  1 5 3
-5 2 1  6 3 7  4 8 9
-
-2 5 6  9 7 3  8 1 4
-4 1 9  8 2 5  6 3 7
-8 3 7  1 6 4  2 9 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,8,null,null,3,null,null,5,null,6,null,null,null,null,null,null,4,1,null,null,null,null,null,7,8,2,null,null,null,null,null,5,null,null,null,null,0,1,null,8,null,6,null,null,null,1,null,2,null,null,4,null,null,7,null,null,null,6,null,null,null,null,2,null,null,null,null,4,null,null,null,null,null,0,7,null,null,null,null],"solution":[7,0,2,8,6,1,3,5,4,5,8,6,7,4,3,2,1,0,4,1,3,5,0,2,6,7,8,2,6,7,4,3,0,5,8,1,3,4,0,1,5,8,7,6,2,8,5,1,6,2,7,0,4,3,0,7,4,2,8,6,1,3,5,6,2,8,3,1,5,4,0,7,1,3,5,0,7,4,8,2,6]}
-PUZZLE:
-_ _ _  9 _ _  4 _ _
-6 _ 7  _ _ _  _ _ _
-5 2 _  _ _ _  _ 8 9
-
-3 _ _  _ _ _  6 _ _
-_ _ 1  2 _ 9  _ 7 _
-_ _ 2  _ 3 _  _ 5 _
-
-_ 8 _  _ _ 7  _ _ _
-_ 3 _  _ _ _  5 _ _
-_ _ _  1 8 _  _ _ _
-
-SOLUTION:
-8 1 3  9 7 2  4 6 5
-6 9 7  8 5 4  3 2 1
-5 2 4  6 1 3  7 8 9
-
-3 7 8  5 4 1  6 9 2
-4 5 1  2 6 9  8 7 3
-9 6 2  7 3 8  1 5 4
-
-1 8 5  3 9 7  2 4 6
-7 3 9  4 2 6  5 1 8
-2 4 6  1 8 5  9 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,7,null,1,null,null,null,null,null,null,null,null,null,null,null,null,2,8,null,2,null,null,null,5,1,4,7,null,null,2,8,null,null,null,null,4,null,null,3,null,null,2,null,0,null,null,1,null,null,null,null,3,null,null,4,null,null,0,null,null,null,3,null,null,null,null,3,null,null,6,null,0,null,null,null,null,null,null,null,8],"solution":[3,5,7,4,1,2,8,0,6,6,1,4,0,5,8,3,7,2,8,0,2,7,6,3,5,1,4,7,3,0,2,8,5,6,4,1,4,6,5,3,7,1,2,8,0,2,8,1,6,4,0,7,3,5,5,4,6,8,0,7,1,2,3,1,2,8,5,3,4,0,6,7,0,7,3,1,2,6,4,5,8]}
-PUZZLE:
-_ _ 8  _ 2 _  _ _ _
-_ _ _  _ _ _  _ _ 3
-9 _ 3  _ _ _  6 2 5
-
-8 _ _  3 9 _  _ _ _
-5 _ _  4 _ _  3 _ 1
-_ _ 2  _ _ _  _ 4 _
-
-_ 5 _  _ 1 _  _ _ 4
-_ _ _  _ 4 _  _ 7 _
-1 _ _  _ _ _  _ _ 9
-
-SOLUTION:
-4 6 8  5 2 3  9 1 7
-7 2 5  1 6 9  4 8 3
-9 1 3  8 7 4  6 2 5
-
-8 4 1  3 9 6  7 5 2
-5 7 6  4 8 2  3 9 1
-3 9 2  7 5 1  8 4 6
-
-6 5 7  9 1 8  2 3 4
-2 3 9  6 4 5  1 7 8
-1 8 4  2 3 7  5 6 9
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,8,null,null,null,1,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,5,null,7,null,0,null,6,null,null,0,null,null,null,null,4,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,7,5,null,7,null,3,null,null,5,null,null,1,6,null,2,0,null,null,null,null,null,null,5,null,null,null,null,null,1],"solution":[0,8,6,4,3,1,2,5,7,7,5,4,6,2,0,1,8,3,3,2,1,5,8,7,4,0,6,6,1,7,0,5,8,3,2,4,5,3,8,7,4,2,6,1,0,4,0,2,1,6,3,8,7,5,8,7,0,3,1,4,5,6,2,1,6,3,2,0,5,7,4,8,2,4,5,8,7,6,0,3,1]}
-PUZZLE:
-_ 9 _  _ _ 2  _ _ _
-_ _ 5  _ _ _  _ _ _
-_ _ _  6 _ 8  _ 1 _
-
-7 _ _  1 _ _  _ _ 5
-6 _ _  _ _ _  _ _ _
-_ _ _  _ _ _  9 8 6
-
-_ 8 _  4 _ _  6 _ _
-2 7 _  3 1 _  _ _ _
-_ _ 6  _ _ _  _ _ 2
-
-SOLUTION:
-1 9 7  5 4 2  3 6 8
-8 6 5  7 3 1  2 9 4
-4 3 2  6 9 8  5 1 7
-
-7 2 8  1 6 9  4 3 5
-6 4 9  8 5 3  7 2 1
-5 1 3  2 7 4  9 8 6
-
-9 8 1  4 2 5  6 7 3
-2 7 4  3 1 6  8 5 9
-3 5 6  9 8 7  1 4 2
-
-RATING: 1.5
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,null,null,4,null,null,null,6,null,null,3,7,null,null,null,4,1,6,null,null,2,null,8,5,null,null,null,null,6,null,null,7,3,null,null,8,null,null,null,null,3,null,null,2,null,7,null,null,5,null,6,7,null,null,3,null,null,2,null,null,0,null,null,8,null,null,null,null,null,null,null,0,null,null],"solution":[1,8,6,7,3,5,4,0,2,0,4,5,8,2,6,7,1,3,7,3,2,0,4,1,6,5,8,2,0,8,5,1,7,3,4,6,4,1,7,3,6,0,8,2,5,5,6,3,4,8,2,1,7,0,8,5,0,6,7,4,2,3,1,6,2,4,1,0,3,5,8,7,3,7,1,2,5,8,0,6,4]}
-PUZZLE:
-2 _ _  _ _ _  _ _ _
-_ 5 _  _ _ 7  _ _ 4
-8 _ _  _ 5 2  7 _ _
-
-3 _ 9  6 _ _  _ _ 7
-_ _ 8  4 _ _  9 _ _
-_ _ 4  _ _ 3  _ 8 _
-
-_ 6 _  7 8 _  _ 4 _
-_ 3 _  _ 1 _  _ 9 _
-_ _ _  _ _ _  1 _ _
-
-SOLUTION:
-2 9 7  8 4 6  5 1 3
-1 5 6  9 3 7  8 2 4
-8 4 3  1 5 2  7 6 9
-
-3 1 9  6 2 8  4 5 7
-5 2 8  4 7 1  9 3 6
-6 7 4  5 9 3  2 8 1
-
-9 6 1  7 8 5  3 4 2
-7 3 5  2 1 4  6 9 8
-4 8 2  3 6 9  1 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,7,null,null,2,null,null,null,null,null,null,1,null,null,null,null,6,5,2,null,7,null,8,null,null,null,null,8,null,null,4,null,null,null,null,null,null,5,null,3,null,null,null,0,3,null,null,2,null,null,7,null,null,6,1,null,null,null,null,null,null,4,null,null,2,null,null,null,8,null,null,null,null,null,null,null,5,null,null,null],"solution":[4,6,7,3,0,2,1,5,8,8,0,3,1,5,4,2,7,6,5,2,1,7,6,8,0,4,3,1,8,0,5,4,7,3,6,2,2,7,5,6,3,1,4,8,0,3,4,6,2,8,0,7,1,5,6,1,8,0,7,3,5,2,4,0,5,2,4,1,6,8,3,7,7,3,4,8,2,5,6,0,1]}
-PUZZLE:
-5 _ 8  _ _ 3  _ _ _
-_ _ _  2 _ _  _ _ 7
-6 3 _  8 _ 9  _ _ _
-
-_ 9 _  _ 5 _  _ _ _
-_ _ 6  _ 4 _  _ _ 1
-4 _ _  3 _ _  8 _ _
-
-7 2 _  _ _ _  _ _ 5
-_ _ 3  _ _ _  9 _ _
-_ _ _  _ _ 6  _ _ _
-
-SOLUTION:
-5 7 8  4 1 3  2 6 9
-9 1 4  2 6 5  3 8 7
-6 3 2  8 7 9  1 5 4
-
-2 9 1  6 5 8  4 7 3
-3 8 6  7 4 2  5 9 1
-4 5 7  3 9 1  8 2 6
-
-7 2 9  1 8 4  6 3 5
-1 6 3  5 2 7  9 4 8
-8 4 5  9 3 6  7 1 2
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,2,8,null,null,null,null,null,null,3,5,null,1,null,null,null,null,null,5,null,null,null,4,null,null,null,null,null,7,6,null,null,1,null,null,null,null,null,null,null,3,null,null,1,2,null,null,null,null,null,null,7,null,6,2,null,7,null,null,null,8,null,1,null,null,null,null,null,0,6,null,7,null,null,5,null,null,3,null],"solution":[6,4,1,2,8,0,5,7,3,7,8,3,5,4,1,6,2,0,2,0,5,6,3,7,4,8,1,4,3,8,7,6,2,0,1,5,0,5,7,4,1,8,3,6,2,1,2,6,3,0,5,8,4,7,3,6,2,0,7,4,1,5,8,5,1,4,8,2,3,7,0,6,8,7,0,1,5,6,2,3,4]}
-PUZZLE:
-_ _ _  3 9 _  _ _ _
-_ _ 4  6 _ 2  _ _ _
-_ _ 6  _ _ _  5 _ _
-
-_ _ _  8 7 _  _ 2 _
-_ _ _  _ _ _  4 _ _
-2 3 _  _ _ _  _ _ 8
-
-_ 7 3  _ 8 _  _ _ 9
-_ 2 _  _ _ _  _ 1 7
-_ 8 _  _ 6 _  _ 4 _
-
-SOLUTION:
-7 5 2  3 9 1  6 8 4
-8 9 4  6 5 2  7 3 1
-3 1 6  7 4 8  5 9 2
-
-5 4 9  8 7 3  1 2 6
-1 6 8  5 2 9  4 7 3
-2 3 7  4 1 6  9 5 8
-
-4 7 3  1 8 5  2 6 9
-6 2 5  9 3 4  8 1 7
-9 8 1  2 6 7  3 4 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,2,0,null,null,5,null,7,null,null,null,5,null,4,null,null,6,4,null,3,null,null,null,null,null,null,null,null,null,null,null,1,2,3,null,6,null,null,3,null,null,0,null,null,null,null,null,4,null,null,6,null,1,2,null,null,7,null,null,null,null,5,null,7,5,null,null,null,null,null,null,0,null,8,null,6,null,null,null,null],"solution":[8,6,2,0,1,3,5,4,7,7,0,1,5,2,4,3,8,6,4,5,3,8,7,6,1,0,2,5,8,7,6,0,1,2,3,4,6,1,4,3,5,2,0,7,8,3,2,0,4,8,7,6,5,1,2,3,6,7,4,0,8,1,5,1,7,5,2,3,8,4,6,0,0,4,8,1,6,5,7,2,3]}
-PUZZLE:
-_ _ 3  1 _ _  6 _ 8
-_ _ _  6 _ 5  _ _ 7
-5 _ 4  _ _ _  _ _ _
-
-_ _ _  _ _ 2  3 4 _
-7 _ _  4 _ _  1 _ _
-_ _ _  5 _ _  7 _ 2
-
-3 _ _  8 _ _  _ _ 6
-_ 8 6  _ _ _  _ _ _
-1 _ 9  _ 7 _  _ _ _
-
-SOLUTION:
-9 7 3  1 2 4  6 5 8
-8 1 2  6 3 5  4 9 7
-5 6 4  9 8 7  2 1 3
-
-6 9 8  7 1 2  3 4 5
-7 2 5  4 6 3  1 8 9
-4 3 1  5 9 8  7 6 2
-
-3 4 7  8 5 1  9 2 6
-2 8 6  3 4 9  5 7 1
-1 5 9  2 7 6  8 3 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,6,null,8,0,null,null,2,null,null,2,1,null,null,5,null,6,null,null,null,null,4,null,null,8,null,null,3,null,4,7,null,1,null,null,null,null,null,null,2,null,null,5,null,null,4,null,null,null,null,null,null,0,null,2,null,null,6,null,null,null,null,null,1,0,null,null,null,null,null,null,null,null,null,7,null,null,null,null,5],"solution":[4,7,6,5,8,0,3,1,2,8,0,2,1,3,7,5,4,6,3,5,1,6,4,2,0,8,7,0,3,5,4,7,6,1,2,8,1,6,7,0,2,8,4,5,3,2,4,8,3,1,5,6,7,0,5,2,3,8,6,4,7,0,1,7,1,0,2,5,3,8,6,4,6,8,4,7,0,1,2,3,5]}
-PUZZLE:
-_ _ 7  _ 9 1  _ _ 3
-_ _ 3  2 _ _  6 _ 7
-_ _ _  _ 5 _  _ 9 _
-
-_ 4 _  5 8 _  2 _ _
-_ _ _  _ 3 _  _ 6 _
-_ 5 _  _ _ _  _ _ 1
-
-_ 3 _  _ 7 _  _ _ _
-_ 2 1  _ _ _  _ _ _
-_ _ _  8 _ _  _ _ 6
-
-SOLUTION:
-5 8 7  6 9 1  4 2 3
-9 1 3  2 4 8  6 5 7
-4 6 2  7 5 3  1 9 8
-
-1 4 6  5 8 7  2 3 9
-2 7 8  1 3 9  5 6 4
-3 5 9  4 2 6  7 8 1
-
-6 3 4  9 7 5  8 1 2
-8 2 1  3 6 4  9 7 5
-7 9 5  8 1 2  3 4 6
-
-RATING: 1.25
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,null,7,null,null,null,4,3,null,null,null,null,null,null,6,null,null,8,0,4,null,null,7,null,6,null,4,5,null,null,null,null,null,8,null,null,3,null,null,null,2,8,null,null,null,null,null,null,null,null,null,null,null,6,1,0,null,2,8,5,null,null,null,null,7,null,null,null,null,null,null,null,null,null,5],"solution":[0,4,2,1,6,5,8,3,7,8,1,7,4,3,0,2,5,6,3,5,6,7,2,8,0,4,1,1,7,3,6,0,4,5,8,2,5,6,0,8,7,2,3,1,4,4,2,8,5,1,3,7,6,0,7,3,4,2,5,6,1,0,8,2,8,5,0,4,1,6,7,3,6,0,1,3,8,7,4,2,5]}
-PUZZLE:
-1 _ _  _ _ _  _ _ 8
-_ _ _  5 4 _  _ _ _
-_ _ 7  _ _ 9  1 5 _
-
-_ 8 _  7 _ 5  6 _ _
-_ _ _  9 _ _  4 _ _
-_ 3 9  _ _ _  _ _ _
-
-_ _ _  _ _ 7  2 1 _
-3 9 6  _ _ _  _ 8 _
-_ _ _  _ _ _  _ _ 6
-
-SOLUTION:
-1 5 3  2 7 6  9 4 8
-9 2 8  5 4 1  3 6 7
-4 6 7  8 3 9  1 5 2
-
-2 8 4  7 1 5  6 9 3
-6 7 1  9 8 3  4 2 5
-5 3 9  6 2 4  8 7 1
-
-8 4 5  3 6 7  2 1 9
-3 9 6  1 5 2  7 8 4
-7 1 2  4 9 8  5 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,null,null,null,null,null,null,null,null,null,null,null,null,8,1,null,null,null,null,null,null,null,0,5,8,3,null,7,8,null,0,null,null,null,2,3,null,null,null,null,null,null,1,null,null,null,2,1,4,null,null,5,null,null,null,4,8,2,null,null,3,null,null,3,null,6,null,null,null,null,null,null,null,6,null,null,null,null,null,4],"solution":[2,8,0,3,1,5,4,6,7,7,5,3,4,6,8,1,2,0,4,6,1,2,7,0,5,8,3,1,7,8,5,0,6,3,4,2,3,4,5,7,8,2,0,1,6,6,0,2,1,4,3,7,5,8,0,1,4,8,2,7,6,3,5,8,3,7,6,5,4,2,0,1,5,2,6,0,3,1,8,7,4]}
-PUZZLE:
-3 _ _  _ _ _  _ _ _
-_ _ _  _ _ 9  2 _ _
-_ _ _  _ _ 1  6 9 4
-
-_ 8 9  _ 1 _  _ _ 3
-4 _ _  _ _ _  _ 2 _
-_ _ 3  2 5 _  _ 6 _
-
-_ _ 5  9 3 _  _ 4 _
-_ 4 _  7 _ _  _ _ _
-_ _ 7  _ _ _  _ _ 5
-
-SOLUTION:
-3 9 1  4 2 6  5 7 8
-8 6 4  5 7 9  2 3 1
-5 7 2  3 8 1  6 9 4
-
-2 8 9  6 1 7  4 5 3
-4 5 6  8 9 3  1 2 7
-7 1 3  2 5 4  8 6 9
-
-1 2 5  9 3 8  7 4 6
-9 4 8  7 6 5  3 1 2
-6 3 7  1 4 2  9 8 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,7,null,null,null,null,null,null,6,null,4,null,null,8,null,0,null,1,null,null,null,null,null,null,8,null,0,3,null,null,null,null,null,2,null,null,null,null,8,null,null,5,null,6,null,8,null,null,null,4,null,null,2,null,null,0,null,null,null,null,6,null,8,null,null,null,1,null,1,null,null,null,7,null,0,null,5],"solution":[8,5,4,3,2,7,1,6,0,2,7,1,6,0,4,5,3,8,6,0,3,1,5,8,4,2,7,4,8,7,0,3,1,2,5,6,3,2,0,4,6,5,8,7,1,5,1,6,7,8,2,3,0,4,7,4,2,5,1,0,6,8,3,0,6,5,8,4,3,7,1,2,1,3,8,2,7,6,0,4,5]}
-PUZZLE:
-_ _ 5  _ _ 8  _ _ _
-_ _ _  7 _ 5  _ _ 9
-_ 1 _  2 _ _  _ _ _
-
-_ 9 _  1 4 _  _ _ _
-_ 3 _  _ _ _  9 _ _
-6 _ 7  _ 9 _  _ _ 5
-
-_ _ 3  _ _ 1  _ _ _
-_ 7 _  9 _ _  _ 2 _
-2 _ _  _ 8 _  1 _ 6
-
-SOLUTION:
-9 6 5  4 3 8  2 7 1
-3 8 2  7 1 5  6 4 9
-7 1 4  2 6 9  5 3 8
-
-5 9 8  1 4 2  3 6 7
-4 3 1  5 7 6  9 8 2
-6 2 7  8 9 3  4 1 5
-
-8 5 3  6 2 1  7 9 4
-1 7 6  9 5 4  8 2 3
-2 4 9  3 8 7  1 5 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[7,null,1,null,6,null,null,null,null,null,null,0,null,null,null,null,null,8,4,null,null,null,null,null,null,0,null,null,null,null,0,null,null,null,null,null,5,null,null,null,2,null,7,4,1,8,null,null,null,null,1,null,null,null,0,null,null,2,null,4,null,null,null,6,null,null,null,null,null,5,7,null,null,null,4,null,5,6,null,3,null],"solution":[7,8,1,4,6,0,2,5,3,3,5,0,7,1,2,4,6,8,4,6,2,3,8,5,1,0,7,2,1,6,0,4,7,3,8,5,5,0,3,6,2,8,7,4,1,8,4,7,5,3,1,6,2,0,0,3,5,2,7,4,8,1,6,6,2,8,1,0,3,5,7,4,1,7,4,8,5,6,0,3,2]}
-PUZZLE:
-8 _ 2  _ 7 _  _ _ _
-_ _ 1  _ _ _  _ _ 9
-5 _ _  _ _ _  _ 1 _
-
-_ _ _  1 _ _  _ _ _
-6 _ _  _ 3 _  8 5 2
-9 _ _  _ _ 2  _ _ _
-
-1 _ _  3 _ 5  _ _ _
-7 _ _  _ _ _  6 8 _
-_ _ 5  _ 6 7  _ 4 _
-
-SOLUTION:
-8 9 2  5 7 1  3 6 4
-4 6 1  8 2 3  5 7 9
-5 7 3  4 9 6  2 1 8
-
-3 2 7  1 5 8  4 9 6
-6 1 4  7 3 9  8 5 2
-9 5 8  6 4 2  7 3 1
-
-1 4 6  3 8 5  9 2 7
-7 3 9  2 1 4  6 8 5
-2 8 5  9 6 7  1 4 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[1,6,null,null,null,null,8,null,null,8,null,null,null,null,4,null,null,2,7,null,null,null,8,null,1,null,null,2,null,4,8,null,null,7,null,0,null,null,0,null,null,1,null,null,null,null,null,null,null,3,null,null,null,null,0,null,null,1,null,null,null,null,5,5,null,null,7,null,0,null,8,null,null,null,1,null,null,null,null,null,null],"solution":[1,6,3,2,0,7,8,5,4,8,0,5,3,1,4,6,7,2,7,4,2,6,8,5,1,0,3,2,1,4,8,5,6,7,3,0,3,8,0,4,7,1,5,2,6,6,5,7,0,3,2,4,1,8,0,7,8,1,6,3,2,4,5,5,2,6,7,4,0,3,8,1,4,3,1,5,2,8,0,6,7]}
-PUZZLE:
-2 7 _  _ _ _  9 _ _
-9 _ _  _ _ 5  _ _ 3
-8 _ _  _ 9 _  2 _ _
-
-3 _ 5  9 _ _  8 _ 1
-_ _ 1  _ _ 2  _ _ _
-_ _ _  _ 4 _  _ _ _
-
-1 _ _  2 _ _  _ _ 6
-6 _ _  8 _ 1  _ 9 _
-_ _ 2  _ _ _  _ _ _
-
-SOLUTION:
-2 7 4  3 1 8  9 6 5
-9 1 6  4 2 5  7 8 3
-8 5 3  7 9 6  2 1 4
-
-3 2 5  9 6 7  8 4 1
-4 9 1  5 8 2  6 3 7
-7 6 8  1 4 3  5 2 9
-
-1 8 9  2 7 4  3 5 6
-6 3 7  8 5 1  4 9 2
-5 4 2  6 3 9  1 7 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,8,8,null,4,5,null,null,1,null,null,null,null,3,null,null,null,null,6,5,null,null,6,null,null,null,null,4,null,null,null,0,4,7,null,3,null,null,null,3,null,null,null,null,5,7,null,null,4,null,null,null,null,8,null,null,null,null,5,3,1,7,null,null,null,null,null,null,null,6,null,null,null,null],"solution":[1,5,2,7,3,6,4,0,8,8,6,4,5,2,0,1,3,7,7,0,3,1,4,8,2,6,5,5,7,6,2,8,3,0,4,1,2,1,0,4,7,5,3,8,6,4,3,8,6,0,1,5,7,2,6,4,7,0,5,2,8,1,3,0,8,5,3,1,7,6,2,4,3,2,1,8,6,4,7,5,0]}
-PUZZLE:
-2 _ _  _ _ _  _ _ 9
-9 _ 5  6 _ _  2 _ _
-_ _ 4  _ _ _  _ 7 6
-
-_ _ 7  _ _ _  _ 5 _
-_ _ 1  5 8 _  4 _ _
-_ 4 _  _ _ _  6 8 _
-
-_ 5 _  _ _ _  9 _ _
-_ _ 6  4 2 8  _ _ _
-_ _ _  _ 7 _  _ _ _
-
-SOLUTION:
-2 6 3  8 4 7  5 1 9
-9 7 5  6 3 1  2 4 8
-8 1 4  2 5 9  3 7 6
-
-6 8 7  3 9 4  1 5 2
-3 2 1  5 8 6  4 9 7
-5 4 9  7 1 2  6 8 3
-
-7 5 8  1 6 3  9 2 4
-1 9 6  4 2 8  7 3 5
-4 3 2  9 7 5  8 6 1
-
-RATING: 1
-DATA:
-{"puzzle":[null,0,null,4,null,3,null,null,null,8,null,5,null,null,null,null,null,null,null,null,null,null,null,7,null,null,6,null,null,4,null,null,null,null,3,2,2,null,null,5,null,8,0,null,null,null,5,null,null,6,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,0,null,7,null,3,4,0,8,null,null,null,null,null],"solution":[7,0,6,4,8,3,2,1,5,8,3,5,1,2,6,7,0,4,4,2,1,0,5,7,3,8,6,6,8,4,7,0,1,5,3,2,2,1,3,5,4,8,0,6,7,0,5,7,3,6,2,1,4,8,1,7,2,6,3,4,8,5,0,5,6,8,2,1,0,4,7,3,3,4,0,8,7,5,6,2,1]}
-PUZZLE:
-_ 1 _  5 _ 4  _ _ _
-9 _ 6  _ _ _  _ _ _
-_ _ _  _ _ 8  _ _ 7
-
-_ _ 5  _ _ _  _ 4 3
-3 _ _  6 _ 9  1 _ _
-_ 6 _  _ 7 _  _ 5 _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 2 1  _ 8 _
-4 5 1  9 _ _  _ _ _
-
-SOLUTION:
-8 1 7  5 9 4  3 2 6
-9 4 6  2 3 7  8 1 5
-5 3 2  1 6 8  4 9 7
-
-7 9 5  8 1 2  6 4 3
-3 2 4  6 5 9  1 7 8
-1 6 8  4 7 3  2 5 9
-
-2 8 3  7 4 5  9 6 1
-6 7 9  3 2 1  5 8 4
-4 5 1  9 8 6  7 3 2
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,2,null,3,null,6,null,null,null,1,null,null,null,null,7,null,null,null,null,null,7,null,null,null,null,8,null,null,null,null,null,null,null,null,null,0,null,null,5,null,7,null,null,null,null,null,null,null,null,null,0,4,3,null,8,7,null,null,0,null,null,null,null,null,1,null,null,null,null,null,6,null,null,null,4,6,2,null,7,null],"solution":[5,7,2,0,3,8,6,1,4,8,1,3,6,2,4,7,5,0,4,0,6,7,5,1,2,3,8,1,6,4,2,0,3,5,8,7,0,3,8,5,4,7,1,6,2,7,2,5,1,8,6,0,4,3,6,8,7,3,1,0,4,2,5,2,4,1,8,7,5,3,0,6,3,5,0,4,6,2,8,7,1]}
-PUZZLE:
-6 _ 3  _ 4 _  7 _ _
-_ 2 _  _ _ _  8 _ _
-_ _ _  8 _ _  _ _ 9
-
-_ _ _  _ _ _  _ _ _
-1 _ _  6 _ 8  _ _ _
-_ _ _  _ _ _  1 5 4
-
-_ 9 8  _ _ 1  _ _ _
-_ _ 2  _ _ _  _ _ 7
-_ _ _  5 7 3  _ 8 _
-
-SOLUTION:
-6 8 3  1 4 9  7 2 5
-9 2 4  7 3 5  8 6 1
-5 1 7  8 6 2  3 4 9
-
-2 7 5  3 1 4  6 9 8
-1 4 9  6 5 8  2 7 3
-8 3 6  2 9 7  1 5 4
-
-7 9 8  4 2 1  5 3 6
-3 5 2  9 8 6  4 1 7
-4 6 1  5 7 3  9 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,null,null,1,null,null,null,null,null,5,4,2,7,null,null,null,null,6,null,null,null,null,null,null,1,4,null,null,null,7,null,null,null,5,8,2,3,null,null,null,4,null,6,null,null,null,null,null,5,null,null,3,null,null,null,null,null,null,8,null,null,null,null,1,8,null,null,null,null,null,null,null,null,0,6,4,null,null],"solution":[4,3,5,7,6,8,1,0,2,0,1,8,5,4,2,7,6,3,7,2,6,0,3,1,8,5,4,1,4,0,6,5,7,3,2,8,5,8,2,3,1,0,6,4,7,6,7,3,8,2,4,5,1,0,3,0,1,4,7,5,2,8,6,2,6,4,1,8,3,0,7,5,8,5,7,2,0,6,4,3,1]}
-PUZZLE:
-_ 4 _  _ _ _  2 _ _
-_ _ _  6 5 3  8 _ _
-_ _ 7  _ _ _  _ _ _
-
-2 5 _  _ _ 8  _ _ _
-6 9 3  4 _ _  _ 5 _
-7 _ _  _ _ _  6 _ _
-
-4 _ _  _ _ _  _ 9 _
-_ _ _  2 9 _  _ _ _
-_ _ _  _ 1 7  5 _ _
-
-SOLUTION:
-5 4 6  8 7 9  2 1 3
-1 2 9  6 5 3  8 7 4
-8 3 7  1 4 2  9 6 5
-
-2 5 1  7 6 8  4 3 9
-6 9 3  4 2 1  7 5 8
-7 8 4  9 3 5  6 2 1
-
-4 1 2  5 8 6  3 9 7
-3 7 5  2 9 4  1 8 6
-9 6 8  3 1 7  5 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,null,3,null,7,null,null,null,null,null,null,null,8,null,null,6,null,0,null,5,null,7,null,null,null,null,null,null,1,4,null,null,null,0,null,null,null,null,null,null,8,null,null,null,null,7,null,null,null,null,3,null,7,null,null,null,6,null,null,2,null,null,6,null,null,null,null,null,5,null,null,4,5,null,8,null,null,null,1],"solution":[8,5,1,6,3,4,7,0,2,3,7,2,0,1,8,5,4,6,6,0,4,5,2,7,1,8,3,5,8,6,1,4,3,2,7,0,4,3,0,2,7,6,8,1,5,1,2,7,8,5,0,6,3,4,7,1,3,4,6,5,0,2,8,2,6,8,3,0,1,4,5,7,0,4,5,7,8,2,3,6,1]}
-PUZZLE:
-_ 6 _  _ 4 _  8 _ _
-_ _ _  _ _ 9  _ _ 7
-_ 1 _  6 _ 8  _ _ _
-
-_ _ _  2 5 _  _ _ 1
-_ _ _  _ _ _  9 _ _
-_ _ 8  _ _ _  _ 4 _
-
-8 _ _  _ 7 _  _ 3 _
-_ 7 _  _ _ _  _ 6 _
-_ 5 6  _ 9 _  _ _ 2
-
-SOLUTION:
-9 6 2  7 4 5  8 1 3
-4 8 3  1 2 9  6 5 7
-7 1 5  6 3 8  2 9 4
-
-6 9 7  2 5 4  3 8 1
-5 4 1  3 8 7  9 2 6
-2 3 8  9 6 1  7 4 5
-
-8 2 4  5 7 6  1 3 9
-3 7 9  4 1 2  5 6 8
-1 5 6  8 9 3  4 7 2
-
-RATING: 3
-DATA:
-{"puzzle":[5,null,4,null,null,null,null,2,null,7,3,null,null,null,4,6,null,0,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,0,3,null,7,null,3,null,null,null,4,null,2,1,null,null,null,null,7,null,null,null,null,null,null,6,null,8,null,null,1,null,0,null,null,null,null,null,4,null,8,null,null,1,null,null,null,null],"solution":[5,0,4,6,3,7,1,2,8,7,3,8,1,2,4,6,5,0,6,2,1,5,0,8,4,3,7,8,4,6,2,7,1,5,0,3,0,7,5,3,8,6,2,4,1,2,1,3,0,4,5,7,8,6,3,5,7,4,6,0,8,1,2,1,6,0,8,5,2,3,7,4,4,8,2,7,1,3,0,6,5]}
-PUZZLE:
-6 _ 5  _ _ _  _ 3 _
-8 4 _  _ _ 5  7 _ 1
-_ _ _  _ _ 9  _ _ _
-
-_ _ _  _ _ _  _ 1 4
-_ 8 _  4 _ _  _ 5 _
-3 2 _  _ _ _  8 _ _
-
-_ _ _  _ 7 _  9 _ _
-2 _ 1  _ _ _  _ _ 5
-_ 9 _  _ 2 _  _ _ _
-
-SOLUTION:
-6 1 5  7 4 8  2 3 9
-8 4 9  2 3 5  7 6 1
-7 3 2  6 1 9  5 4 8
-
-9 5 7  3 8 2  6 1 4
-1 8 6  4 9 7  3 5 2
-3 2 4  1 5 6  8 9 7
-
-4 6 8  5 7 1  9 2 3
-2 7 1  9 6 3  4 8 5
-5 9 3  8 2 4  1 7 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,7,null,0,8,6,null,null,null,null,4,null,null,null,null,null,null,8,5,null,1,null,null,4,8,null,null,null,5,null,null,null,null,null,7,1,null,2,null,null,null,null,null,3,null,null,null,5,3,null,null,2,1,null,null,8,null,2,null,null,6,null,null,null,null,6,null,1,3,null,null,null,null,null],"solution":[3,1,5,8,4,2,0,6,7,7,0,8,6,3,5,2,1,4,2,4,6,1,7,0,8,5,3,1,7,2,4,8,6,3,0,5,4,6,3,5,0,7,1,8,2,8,5,0,2,1,3,4,7,6,5,3,7,0,2,1,6,4,8,0,2,4,7,6,8,5,3,1,6,8,1,3,5,4,7,2,0]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 8
-_ 1 9  7 _ _  _ _ 5
-_ _ _  _ _ _  9 6 _
-
-2 _ _  5 9 _  _ _ 6
-_ _ _  _ _ 8  2 _ 3
-_ _ _  _ _ 4  _ _ _
-
-6 4 _  _ 3 2  _ _ 9
-_ 3 _  _ 7 _  _ _ _
-7 _ 2  4 _ _  _ _ _
-
-SOLUTION:
-4 2 6  9 5 3  1 7 8
-8 1 9  7 4 6  3 2 5
-3 5 7  2 8 1  9 6 4
-
-2 8 3  5 9 7  4 1 6
-5 7 4  6 1 8  2 9 3
-9 6 1  3 2 4  5 8 7
-
-6 4 8  1 3 2  7 5 9
-1 3 5  8 7 9  6 4 2
-7 9 2  4 6 5  8 3 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,7,null,5,6,null,null,null,null,null,null,1,null,null,null,null,null,4,null,5,null,null,null,null,null,2,null,null,null,null,null,7,4,0,null,2,null,4,null,null,null,null,null,8,null,null,null,null,8,0,null,6,null,null,2,null,null,6,null,null,null,null,null,null,null,8,null,null,1,null,null,5,1,null,null,null,2,null,4,7,0],"solution":[4,7,3,5,6,2,1,0,8,6,2,1,7,8,0,3,5,4,8,5,0,4,1,3,7,2,6,5,8,6,1,7,4,0,3,2,0,4,7,2,3,6,5,8,1,3,1,2,8,0,5,6,4,7,2,0,4,6,5,7,8,1,3,7,3,8,0,4,1,2,6,5,1,6,5,3,2,8,4,7,0]}
-PUZZLE:
-_ 8 _  6 7 _  _ _ _
-_ _ 2  _ _ _  _ _ 5
-_ 6 _  _ _ _  _ 3 _
-
-_ _ _  _ 8 5  1 _ 3
-_ 5 _  _ _ _  _ 9 _
-_ _ _  9 1 _  7 _ _
-
-3 _ _  7 _ _  _ _ _
-_ _ 9  _ _ 2  _ _ 6
-2 _ _  _ 3 _  5 8 1
-
-SOLUTION:
-5 8 4  6 7 3  2 1 9
-7 3 2  8 9 1  4 6 5
-9 6 1  5 2 4  8 3 7
-
-6 9 7  2 8 5  1 4 3
-1 5 8  3 4 7  6 9 2
-4 2 3  9 1 6  7 5 8
-
-3 1 5  7 6 8  9 2 4
-8 4 9  1 5 2  3 7 6
-2 7 6  4 3 9  5 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,7,4,null,null,null,null,null,null,2,null,null,null,1,6,0,null,5,null,null,null,null,7,null,null,null,null,7,null,1,null,3,0,null,null,2,null,0,null,null,null,null,1,8,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,6,null,null,null,null,0,null,4,3,null,null,8,null,null,null,null,7,null],"solution":[0,6,7,4,3,2,5,8,1,3,2,4,8,5,1,6,0,7,5,8,1,6,0,7,3,2,4,4,7,5,1,8,3,0,6,2,2,3,0,5,7,6,4,1,8,8,1,6,0,2,4,7,3,5,7,0,3,2,4,8,1,5,6,6,5,2,7,1,0,8,4,3,1,4,8,3,6,5,2,7,0]}
-PUZZLE:
-_ 7 8  5 _ _  _ _ _
-_ 3 _  _ _ 2  7 1 _
-6 _ _  _ _ 8  _ _ _
-
-_ 8 _  2 _ 4  1 _ _
-3 _ 1  _ _ _  _ 2 9
-9 _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ 7
-7 _ _  _ _ 1  _ 5 4
-_ _ 9  _ _ _  _ 8 _
-
-SOLUTION:
-1 7 8  5 4 3  6 9 2
-4 3 5  9 6 2  7 1 8
-6 9 2  7 1 8  4 3 5
-
-5 8 6  2 9 4  1 7 3
-3 4 1  6 8 7  5 2 9
-9 2 7  1 3 5  8 4 6
-
-8 1 4  3 5 9  2 6 7
-7 6 3  8 2 1  9 5 4
-2 5 9  4 7 6  3 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,6,null,null,3,null,null,null,null,null,null,0,null,null,null,null,3,null,1,0,null,5,null,4,null,null,null,4,null,null,null,6,null,7,null,null,null,5,null,3,null,null,2,1,1,null,null,null,null,2,3,null,null,null,null,null,null,null,7,null,0,8,null,5,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null],"solution":[7,8,6,4,2,3,1,5,0,5,2,4,0,6,1,7,8,3,3,1,0,7,5,8,4,6,2,2,4,3,1,0,6,8,7,5,6,7,5,8,3,4,0,2,1,1,0,8,5,7,2,3,4,6,4,6,2,3,1,7,5,0,8,8,5,1,6,4,0,2,3,7,0,3,7,2,8,5,6,1,4]}
-PUZZLE:
-8 _ 7  _ _ 4  _ _ _
-_ _ _  1 _ _  _ _ 4
-_ 2 1  _ 6 _  5 _ _
-
-_ 5 _  _ _ 7  _ 8 _
-_ _ 6  _ 4 _  _ 3 2
-2 _ _  _ _ 3  4 _ _
-
-_ _ _  _ _ 8  _ 1 9
-_ 6 _  _ _ _  _ _ _
-_ _ _  3 _ _  _ _ _
-
-SOLUTION:
-8 9 7  5 3 4  2 6 1
-6 3 5  1 7 2  8 9 4
-4 2 1  8 6 9  5 7 3
-
-3 5 4  2 1 7  9 8 6
-7 8 6  9 4 5  1 3 2
-2 1 9  6 8 3  4 5 7
-
-5 7 3  4 2 8  6 1 9
-9 6 2  7 5 1  3 4 8
-1 4 8  3 9 6  7 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,0,2,null,8,5,4,6,null,null,null,null,null,null,null,null,4,null,null,null,5,null,2,7,null,null,null,null,6,null,null,6,null,null,null,null,2,null,null,null,null,null,0,7,null,4,null,null,null,null,1,3,2,null,null,5,null,null,null,null,null,null,null,null,7,null,null,null,6,8,null,3,null,null,null,null],"solution":[1,3,6,5,7,8,0,2,4,8,5,4,6,2,0,1,7,3,0,2,7,4,1,3,8,5,6,2,7,5,3,8,1,6,4,0,6,4,1,0,5,2,3,8,7,3,8,0,7,6,4,2,1,5,4,1,3,2,0,7,5,6,8,5,0,2,8,4,6,7,3,1,7,6,8,1,3,5,4,0,2]}
-PUZZLE:
-_ _ _  _ _ _  1 3 _
-9 6 5  7 _ _  _ _ _
-_ _ _  5 _ _  _ 6 _
-
-3 8 _  _ _ _  7 _ _
-7 _ _  _ _ 3  _ _ _
-_ _ 1  8 _ 5  _ _ _
-
-_ 2 4  3 _ _  6 _ _
-_ _ _  _ _ _  8 _ _
-_ 7 9  _ 4 _  _ _ _
-
-SOLUTION:
-2 4 7  6 8 9  1 3 5
-9 6 5  7 3 1  2 8 4
-1 3 8  5 2 4  9 6 7
-
-3 8 6  4 9 2  7 5 1
-7 5 2  1 6 3  4 9 8
-4 9 1  8 7 5  3 2 6
-
-5 2 4  3 1 8  6 7 9
-6 1 3  9 5 7  8 4 2
-8 7 9  2 4 6  5 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,null,null,6,null,null,2,null,null,null,0,null,null,8,null,null,null,null,3,null,null,null,null,7,null,null,null,null,null,null,1,null,null,null,null,null,7,null,2,null,null,0,4,4,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,4,null,6,1,null,null,0,null,2,null,8,0,4,null,5,null,null,null,null,null],"solution":[1,7,0,8,4,6,3,5,2,5,2,4,0,3,7,8,6,1,8,6,3,2,1,5,4,7,0,2,0,6,4,5,1,7,8,3,3,5,7,6,2,8,1,0,4,4,8,1,3,7,0,5,2,6,7,3,8,1,6,2,0,4,5,6,1,5,7,0,4,2,3,8,0,4,2,5,8,3,6,1,7]}
-PUZZLE:
-2 _ _  _ _ 7  _ _ 3
-_ _ _  1 _ _  9 _ _
-_ _ 4  _ _ _  _ 8 _
-
-_ _ _  _ _ 2  _ _ _
-_ _ 8  _ 3 _  _ 1 5
-5 _ _  _ _ _  6 _ _
-
-_ _ _  _ _ _  _ 5 _
-7 2 _  _ 1 _  3 _ 9
-1 5 _  6 _ _  _ _ _
-
-SOLUTION:
-2 8 1  9 5 7  4 6 3
-6 3 5  1 4 8  9 7 2
-9 7 4  3 2 6  5 8 1
-
-3 1 7  5 6 2  8 9 4
-4 6 8  7 3 9  2 1 5
-5 9 2  4 8 1  6 3 7
-
-8 4 9  2 7 3  1 5 6
-7 2 6  8 1 5  3 4 9
-1 5 3  6 9 4  7 2 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[5,null,null,null,null,null,0,null,1,2,6,null,null,7,8,null,4,null,null,null,null,1,null,null,null,null,null,null,null,null,null,6,null,2,0,null,null,8,null,null,null,7,null,null,null,null,null,null,3,null,null,1,null,null,0,null,7,6,null,null,4,null,null,null,null,null,4,null,null,null,null,3,null,null,5,null,null,null,null,null,null],"solution":[5,7,3,2,4,6,0,8,1,2,6,1,0,7,8,3,4,5,8,4,0,1,5,3,7,2,6,3,5,4,8,6,1,2,0,7,1,8,2,5,0,7,6,3,4,7,0,6,3,2,4,1,5,8,0,3,7,6,8,5,4,1,2,6,2,8,4,1,0,5,7,3,4,1,5,7,3,2,8,6,0]}
-PUZZLE:
-6 _ _  _ _ _  1 _ 2
-3 7 _  _ 8 9  _ 5 _
-_ _ _  2 _ _  _ _ _
-
-_ _ _  _ 7 _  3 1 _
-_ 9 _  _ _ 8  _ _ _
-_ _ _  4 _ _  2 _ _
-
-1 _ 8  7 _ _  5 _ _
-_ _ _  5 _ _  _ _ 4
-_ _ 6  _ _ _  _ _ _
-
-SOLUTION:
-6 8 4  3 5 7  1 9 2
-3 7 2  1 8 9  4 5 6
-9 5 1  2 6 4  8 3 7
-
-4 6 5  9 7 2  3 1 8
-2 9 3  6 1 8  7 4 5
-8 1 7  4 3 5  2 6 9
-
-1 4 8  7 9 6  5 2 3
-7 3 9  5 2 1  6 8 4
-5 2 6  8 4 3  9 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[8,1,null,null,0,null,null,4,null,null,0,2,8,null,7,null,null,null,null,null,null,6,2,null,null,null,null,null,6,null,null,null,null,8,1,null,null,null,null,4,null,null,null,null,null,null,3,null,null,null,8,null,null,0,null,null,3,0,null,1,7,6,8,null,null,null,null,null,null,null,3,null,null,null,null,null,6,null,null,null,5],"solution":[8,1,6,5,0,3,2,4,7,4,0,2,8,1,7,3,5,6,3,5,7,6,2,4,0,8,1,7,6,5,2,3,0,8,1,4,0,8,1,4,7,6,5,2,3,2,3,4,1,5,8,6,7,0,5,2,3,0,4,1,7,6,8,6,4,0,7,8,5,1,3,2,1,7,8,3,6,2,4,0,5]}
-PUZZLE:
-9 2 _  _ 1 _  _ 5 _
-_ 1 3  9 _ 8  _ _ _
-_ _ _  7 3 _  _ _ _
-
-_ 7 _  _ _ _  9 2 _
-_ _ _  5 _ _  _ _ _
-_ 4 _  _ _ 9  _ _ 1
-
-_ _ 4  1 _ 2  8 7 9
-_ _ _  _ _ _  _ 4 _
-_ _ _  _ 7 _  _ _ 6
-
-SOLUTION:
-9 2 7  6 1 4  3 5 8
-5 1 3  9 2 8  4 6 7
-4 6 8  7 3 5  1 9 2
-
-8 7 6  3 4 1  9 2 5
-1 9 2  5 8 7  6 3 4
-3 4 5  2 6 9  7 8 1
-
-6 3 4  1 5 2  8 7 9
-7 5 1  8 9 6  2 4 3
-2 8 9  4 7 3  5 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,0,null,null,null,null,5,null,null,7,null,null,null,0,null,null,null,null,null,4,null,6,1,8,null,7,null,null,null,null,null,null,null,4,1,null,null,7,2,null,null,null,null,null,null,null,8,5,null,null,null,6,null,null,null,null,null,null,null,null,8,4,4,null,null,null,0,7,6,null,null,null,null,null,null,null,null,null,null,5],"solution":[6,1,0,7,8,2,4,5,3,8,7,3,4,5,0,1,2,6,5,2,4,3,6,1,8,0,7,3,5,6,0,7,8,2,4,1,1,0,7,2,4,6,5,3,8,2,4,8,5,1,3,7,6,0,7,6,2,1,3,5,0,8,4,4,3,5,8,0,7,6,1,2,0,8,1,6,2,4,3,7,5]}
-PUZZLE:
-7 _ 1  _ _ _  _ 6 _
-_ 8 _  _ _ 1  _ _ _
-_ _ 5  _ 7 2  9 _ 8
-
-_ _ _  _ _ _  _ 5 2
-_ _ 8  3 _ _  _ _ _
-_ _ 9  6 _ _  _ 7 _
-
-_ _ _  _ _ _  _ 9 5
-5 _ _  _ 1 8  7 _ _
-_ _ _  _ _ _  _ _ 6
-
-SOLUTION:
-7 2 1  8 9 3  5 6 4
-9 8 4  5 6 1  2 3 7
-6 3 5  4 7 2  9 1 8
-
-4 6 7  1 8 9  3 5 2
-2 1 8  3 5 7  6 4 9
-3 5 9  6 2 4  8 7 1
-
-8 7 3  2 4 6  1 9 5
-5 4 6  9 1 8  7 2 3
-1 9 2  7 3 5  4 8 6
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,3,null,4,null,null,null,6,null,5,null,null,8,null,null,null,0,2,null,null,null,null,null,null,8,null,null,0,4,null,null,null,null,null,3,null,null,5,null,null,4,null,6,8,null,null,null,null,0,null,null,null,null,null,null,1,null,null,0,null,7,null,null,null,null,2,null,null,3,5,2,null,null,null,null,null,null,4,null],"solution":[7,8,1,3,5,4,2,6,0,6,3,5,2,0,8,1,7,4,0,2,4,6,1,7,3,5,8,1,5,0,4,6,2,7,8,3,3,7,2,5,8,1,4,0,6,8,4,6,7,3,0,5,1,2,5,6,8,1,4,3,0,2,7,4,1,7,0,2,6,8,3,5,2,0,3,8,7,5,6,4,1]}
-PUZZLE:
-_ _ _  4 _ 5  _ _ _
-7 _ 6  _ _ 9  _ _ _
-1 3 _  _ _ _  _ _ 9
-
-_ _ 1  5 _ _  _ _ _
-4 _ _  6 _ _  5 _ 7
-9 _ _  _ _ 1  _ _ _
-
-_ _ _  2 _ _  1 _ 8
-_ _ _  _ 3 _  _ 4 6
-3 _ _  _ _ _  _ 5 _
-
-SOLUTION:
-8 9 2  4 6 5  3 7 1
-7 4 6  3 1 9  2 8 5
-1 3 5  7 2 8  4 6 9
-
-2 6 1  5 7 3  8 9 4
-4 8 3  6 9 2  5 1 7
-9 5 7  8 4 1  6 2 3
-
-6 7 9  2 5 4  1 3 8
-5 2 8  1 3 7  9 4 6
-3 1 4  9 8 6  7 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,6,0,null,null,null,null,null,null,null,null,4,null,null,7,0,null,null,null,null,1,8,null,3,null,null,null,null,null,null,null,null,null,4,2,7,null,8,null,null,null,null,null,null,8,null,null,6,null,5,null,null,8,null,null,0,3,6,null,2,null,1,null,null,null,null,null,3,null,null,null,4,null,5,null],"solution":[5,1,4,2,7,3,8,6,0,0,2,6,8,5,1,7,3,4,3,8,7,0,4,6,5,2,1,8,4,3,5,6,0,2,1,7,1,6,0,4,2,7,3,8,5,2,7,5,1,3,8,0,4,6,4,5,1,7,8,2,6,0,3,6,0,2,3,1,5,4,7,8,7,3,8,6,0,4,1,5,2]}
-PUZZLE:
-_ 2 _  _ _ _  _ 7 1
-_ _ _  _ _ _  _ _ 5
-_ _ 8  1 _ _  _ _ 2
-
-9 _ 4  _ _ _  _ _ _
-_ _ _  5 3 8  _ 9 _
-_ _ _  _ _ 9  _ _ 7
-
-_ 6 _  _ 9 _  _ 1 4
-7 _ 3  _ 2 _  _ _ _
-_ 4 _  _ _ 5  _ 6 _
-
-SOLUTION:
-6 2 5  3 8 4  9 7 1
-1 3 7  9 6 2  8 4 5
-4 9 8  1 5 7  6 3 2
-
-9 5 4  6 7 1  3 2 8
-2 7 1  5 3 8  4 9 6
-3 8 6  2 4 9  1 5 7
-
-5 6 2  8 9 3  7 1 4
-7 1 3  4 2 6  5 8 9
-8 4 9  7 1 5  2 6 3
-
-RATING: 2.5
-DATA:
-{"puzzle":[2,null,null,0,null,5,null,null,null,null,null,null,null,3,null,null,null,5,null,0,null,null,null,8,null,null,null,null,1,7,3,null,4,null,null,null,0,null,null,1,null,null,null,4,null,null,null,6,null,null,null,5,null,null,3,null,null,null,2,null,0,null,null,null,null,4,null,null,null,3,1,null,7,null,null,null,null,null,null,5,2],"solution":[2,4,3,0,7,5,1,8,6,6,7,8,2,3,1,4,0,5,1,0,5,6,4,8,2,7,3,5,1,7,3,8,4,6,2,0,0,3,2,1,5,6,7,4,8,4,8,6,7,0,2,5,3,1,3,5,1,8,2,7,0,6,4,8,2,4,5,6,0,3,1,7,7,6,0,4,1,3,8,5,2]}
-PUZZLE:
-3 _ _  1 _ 6  _ _ _
-_ _ _  _ 4 _  _ _ 6
-_ 1 _  _ _ 9  _ _ _
-
-_ 2 8  4 _ 5  _ _ _
-1 _ _  2 _ _  _ 5 _
-_ _ 7  _ _ _  6 _ _
-
-4 _ _  _ 3 _  1 _ _
-_ _ 5  _ _ _  4 2 _
-8 _ _  _ _ _  _ 6 3
-
-SOLUTION:
-3 5 4  1 8 6  2 9 7
-7 8 9  3 4 2  5 1 6
-2 1 6  7 5 9  3 8 4
-
-6 2 8  4 9 5  7 3 1
-1 4 3  2 6 7  8 5 9
-5 9 7  8 1 3  6 4 2
-
-4 6 2  9 3 8  1 7 5
-9 3 5  6 7 1  4 2 8
-8 7 1  5 2 4  9 6 3
-
-RATING: 2.75
-DATA:
-{"puzzle":[5,null,null,null,0,6,null,4,null,8,null,null,null,3,2,null,null,7,null,4,2,null,null,1,null,null,null,null,null,null,null,1,8,null,null,null,null,8,null,null,null,4,7,null,null,3,null,null,null,null,null,0,null,null,null,1,null,null,null,null,null,3,2,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,6,1,null],"solution":[5,3,1,7,0,6,2,4,8,8,6,0,4,3,2,1,5,7,7,4,2,8,5,1,3,0,6,0,7,6,3,1,8,5,2,4,1,8,5,0,2,4,7,6,3,3,2,4,6,7,5,0,8,1,6,1,7,5,4,0,8,3,2,2,5,8,1,6,3,4,7,0,4,0,3,2,8,7,6,1,5]}
-PUZZLE:
-6 _ _  _ 1 7  _ 5 _
-9 _ _  _ 4 3  _ _ 8
-_ 5 3  _ _ 2  _ _ _
-
-_ _ _  _ 2 9  _ _ _
-_ 9 _  _ _ 5  8 _ _
-4 _ _  _ _ _  1 _ _
-
-_ 2 _  _ _ _  _ 4 3
-_ _ _  _ _ _  _ _ _
-_ 1 _  _ _ _  7 2 _
-
-SOLUTION:
-6 4 2  8 1 7  3 5 9
-9 7 1  5 4 3  2 6 8
-8 5 3  9 6 2  4 1 7
-
-1 8 7  4 2 9  6 3 5
-2 9 6  1 3 5  8 7 4
-4 3 5  7 8 6  1 9 2
-
-7 2 8  6 5 1  9 4 3
-3 6 9  2 7 4  5 8 1
-5 1 4  3 9 8  7 2 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,null,null,null,null,null,6,null,7,0,null,4,6,null,0,null,null,null,null,7,5,1,null,null,null,7,null,null,2,null,null,6,null,null,null,null,null,null,null,7,null,3,null,null,null,1,null,null,null,null,null,null,3,null,2,null,0,8,null,4,null,null,null,null,null,null,null,null,null,null,1,2,null,6,null],"solution":[4,7,5,8,0,3,6,1,2,2,3,1,6,5,7,0,8,4,6,8,0,1,2,4,3,7,5,1,5,8,0,7,6,4,2,3,0,6,2,3,4,1,8,5,7,7,4,3,2,8,5,1,0,6,5,1,6,7,3,8,2,4,0,8,2,4,5,6,0,7,3,1,3,0,7,4,1,2,5,6,8]}
-PUZZLE:
-_ _ 6  _ _ _  _ _ _
-_ _ _  7 _ 8  1 _ 5
-7 _ 1  _ _ _  _ 8 6
-
-2 _ _  _ 8 _  _ 3 _
-_ 7 _  _ _ _  _ _ _
-8 _ 4  _ _ _  2 _ _
-
-_ _ _  _ 4 _  3 _ 1
-9 _ 5  _ _ _  _ _ _
-_ _ _  _ 2 3  _ 7 _
-
-SOLUTION:
-5 8 6  9 1 4  7 2 3
-3 4 2  7 6 8  1 9 5
-7 9 1  2 3 5  4 8 6
-
-2 6 9  1 8 7  5 3 4
-1 7 3  4 5 2  9 6 8
-8 5 4  3 9 6  2 1 7
-
-6 2 7  8 4 9  3 5 1
-9 3 5  6 7 1  8 4 2
-4 1 8  5 2 3  6 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,null,null,6,null,null,null,null,null,null,null,8,null,5,7,null,8,null,null,5,null,4,null,null,8,null,null,null,null,3,1,null,null,null,null,7,null,null,null,8,null,null,null,null,null,7,null,null,null,null,null,null,null,4,null,1,2,null,null,6,null,5,1,null,null,null,null,8,null,null,0,null,null,null,7,null,null,2],"solution":[4,3,5,0,7,1,6,2,8,1,2,6,4,3,8,0,5,7,7,8,0,2,5,6,4,3,1,8,4,2,6,0,3,1,7,5,0,6,7,1,2,5,8,4,3,5,1,3,7,8,4,2,6,0,3,7,4,8,1,2,5,0,6,2,5,1,3,6,0,7,8,4,6,0,8,5,4,7,3,1,2]}
-PUZZLE:
-5 _ _  _ _ _  7 _ _
-_ _ _  _ _ 9  _ 6 8
-_ 9 _  _ 6 _  5 _ _
-
-9 _ _  _ _ 4  2 _ _
-_ _ 8  _ _ _  9 _ _
-_ _ _  8 _ _  _ _ _
-
-_ _ 5  _ 2 3  _ _ 7
-_ 6 2  _ _ _  _ 9 _
-_ 1 _  _ _ 8  _ _ 3
-
-SOLUTION:
-5 4 6  1 8 2  7 3 9
-2 3 7  5 4 9  1 6 8
-8 9 1  3 6 7  5 4 2
-
-9 5 3  7 1 4  2 8 6
-1 7 8  2 3 6  9 5 4
-6 2 4  8 9 5  3 7 1
-
-4 8 5  9 2 3  6 1 7
-3 6 2  4 7 1  8 9 5
-7 1 9  6 5 8  4 2 3
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,7,null,null,null,4,null,null,null,3,null,null,null,null,2,null,0,5,null,1,null,null,null,null,3,null,null,null,null,7,null,null,6,null,2,null,null,4,6,null,null,null,0,null,null,null,null,null,null,1,8,null,4,null,2,8,null,null,null,null,null,null,null,1,null,null,null,null,null,8,6,null,null,null,4,0,null,null,null,1],"solution":[2,0,7,8,1,3,4,6,5,8,3,6,5,7,4,2,1,0,5,4,1,0,2,6,7,3,8,1,8,3,7,4,0,6,5,2,7,5,4,6,8,2,1,0,3,0,6,2,3,5,1,8,7,4,3,2,8,1,6,5,0,4,7,4,1,0,2,3,7,5,8,6,6,7,5,4,0,8,3,2,1]}
-PUZZLE:
-_ _ 8  _ _ _  5 _ _
-_ 4 _  _ _ _  3 _ 1
-6 _ 2  _ _ _  _ 4 _
-
-_ _ _  8 _ _  7 _ 3
-_ _ 5  7 _ _  _ 1 _
-_ _ _  _ _ 2  9 _ 5
-
-_ 3 9  _ _ _  _ _ _
-_ 2 _  _ _ _  _ 9 7
-_ _ _  5 1 _  _ _ 2
-
-SOLUTION:
-3 1 8  9 2 4  5 7 6
-9 4 7  6 8 5  3 2 1
-6 5 2  1 3 7  8 4 9
-
-2 9 4  8 5 1  7 6 3
-8 6 5  7 9 3  2 1 4
-1 7 3  4 6 2  9 8 5
-
-4 3 9  2 7 6  1 5 8
-5 2 1  3 4 8  6 9 7
-7 8 6  5 1 9  4 3 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,8,5,7,null,null,null,null,null,null,null,null,4,null,5,null,null,null,null,null,null,null,null,0,7,2,5,null,null,4,null,3,null,null,null,6,null,null,null,null,8,null,null,7,null,3,null,null,5,null,null,null,null,null,null,1,null,null,null,null,null,0,2,7,null,0,null,null,null,8,null,null,null,0,3,null,null,null,6,null],"solution":[0,1,8,5,7,2,4,3,6,7,2,3,6,4,0,5,1,8,4,5,6,8,3,1,0,7,2,5,8,7,4,0,3,6,2,1,6,0,4,1,2,8,3,5,7,1,3,2,7,5,6,8,0,4,3,6,1,2,8,5,7,4,0,2,7,5,0,6,4,1,8,3,8,4,0,3,1,7,2,6,5]}
-PUZZLE:
-_ _ 9  6 8 _  _ _ _
-_ _ _  _ 5 _  6 _ _
-_ _ _  _ _ _  1 8 3
-
-6 _ _  5 _ 4  _ _ _
-7 _ _  _ _ 9  _ _ 8
-_ 4 _  _ 6 _  _ _ _
-
-_ _ 2  _ _ _  _ _ 1
-3 8 _  1 _ _  _ 9 _
-_ _ 1  4 _ _  _ 7 _
-
-SOLUTION:
-1 2 9  6 8 3  5 4 7
-8 3 4  7 5 1  6 2 9
-5 6 7  9 4 2  1 8 3
-
-6 9 8  5 1 4  7 3 2
-7 1 5  2 3 9  4 6 8
-2 4 3  8 6 7  9 1 5
-
-4 7 2  3 9 6  8 5 1
-3 8 6  1 7 5  2 9 4
-9 5 1  4 2 8  3 7 6
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,7,null,5,null,null,null,8,0,null,4,1,7,3,null,null,null,null,null,null,null,null,null,6,null,null,7,null,null,null,3,null,null,null,null,5,null,0,null,null,null,null,null,null,4,null,null,null,null,2,1,null,null,null,3,null,5,null,null,null,null,6,null,null,null,2,null,1,null,null,null,null,7,null,null,null,null,null,2,null,null],"solution":[6,7,3,5,4,2,1,8,0,0,4,1,7,3,8,6,5,2,2,5,8,1,0,6,4,3,7,8,2,4,3,6,0,7,1,5,1,0,6,8,5,7,3,2,4,5,3,7,4,2,1,8,0,6,3,8,5,2,7,4,0,6,1,4,6,2,0,1,3,5,7,8,7,1,0,6,8,5,2,4,3]}
-PUZZLE:
-_ 8 _  6 _ _  _ 9 1
-_ 5 2  8 4 _  _ _ _
-_ _ _  _ _ 7  _ _ 8
-
-_ _ _  4 _ _  _ _ 6
-_ 1 _  _ _ _  _ _ 5
-_ _ _  _ 3 2  _ _ _
-
-4 _ 6  _ _ _  _ 7 _
-_ _ 3  _ 2 _  _ _ _
-8 _ _  _ _ _  3 _ _
-
-SOLUTION:
-7 8 4  6 5 3  2 9 1
-1 5 2  8 4 9  7 6 3
-3 6 9  2 1 7  5 4 8
-
-9 3 5  4 7 1  8 2 6
-2 1 7  9 6 8  4 3 5
-6 4 8  5 3 2  9 1 7
-
-4 9 6  3 8 5  1 7 2
-5 7 3  1 2 4  6 8 9
-8 2 1  7 9 6  3 5 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,0,7,null,6,2,null,null,null,null,null,null,null,4,null,null,null,null,6,null,null,null,null,null,null,8,null,null,4,null,null,null,null,null,1,null,null,null,1,null,null,null,null,null,null,2,null,null,5,null,null,null,6,null,null,null,4,null,7,null,5,null,null,null,8,null,null,1,null,7,null,3,null,6,null,null,5,4,null,0],"solution":[8,5,0,7,1,6,2,3,4,2,1,3,8,0,4,7,6,5,4,6,7,5,2,3,1,0,8,0,3,4,6,7,2,5,8,1,6,8,5,1,4,0,3,2,7,7,2,1,3,5,8,0,4,6,1,0,2,4,6,7,8,5,3,5,4,8,0,3,1,6,7,2,3,7,6,2,8,5,4,1,0]}
-PUZZLE:
-_ _ 1  8 _ 7  3 _ _
-_ _ _  _ _ 5  _ _ _
-_ 7 _  _ _ _  _ _ 9
-
-_ _ 5  _ _ _  _ _ 2
-_ _ _  2 _ _  _ _ _
-_ 3 _  _ 6 _  _ _ 7
-
-_ _ _  5 _ 8  _ 6 _
-_ _ 9  _ _ 2  _ 8 _
-4 _ 7  _ _ 6  5 _ 1
-
-SOLUTION:
-9 6 1  8 2 7  3 4 5
-3 2 4  9 1 5  8 7 6
-5 7 8  6 3 4  2 1 9
-
-1 4 5  7 8 3  6 9 2
-7 9 6  2 5 1  4 3 8
-8 3 2  4 6 9  1 5 7
-
-2 1 3  5 7 8  9 6 4
-6 5 9  1 4 2  7 8 3
-4 8 7  3 9 6  5 2 1
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,7,null,0,null,null,5,3,null,null,0,null,8,null,8,6,null,null,null,null,null,null,null,null,null,null,8,null,null,7,6,null,2,null,null,null,null,5,3,null,null,null,3,null,2,0,null,4,null,null,4,null,null,null,5,null,null,null,null,null,2,5,7,null,null,null,null,null,null,1,null,null,4,null,null,null,null],"solution":[1,4,2,5,8,7,6,0,3,7,5,3,1,6,0,2,8,4,8,6,0,4,2,3,1,7,5,5,0,1,8,3,4,7,6,2,2,8,4,6,7,5,3,1,0,6,3,7,2,0,1,4,5,8,4,7,6,0,5,2,8,3,1,3,2,5,7,1,8,0,4,6,0,1,8,3,4,6,5,2,7]}
-PUZZLE:
-_ _ _  _ _ 8  _ 1 _
-_ 6 4  _ _ 1  _ 9 _
-9 7 _  _ _ _  _ _ _
-
-_ _ _  9 _ _  8 7 _
-3 _ _  _ _ 6  4 _ _
-_ 4 _  3 1 _  5 _ _
-
-5 _ _  _ 6 _  _ _ _
-_ 3 6  8 _ _  _ _ _
-_ 2 _  _ 5 _  _ _ _
-
-SOLUTION:
-2 5 3  6 9 8  7 1 4
-8 6 4  2 7 1  3 9 5
-9 7 1  5 3 4  2 8 6
-
-6 1 2  9 4 5  8 7 3
-3 9 5  7 8 6  4 2 1
-7 4 8  3 1 2  5 6 9
-
-5 8 7  1 6 3  9 4 2
-4 3 6  8 2 9  1 5 7
-1 2 9  4 5 7  6 3 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,3,null,null,null,null,5,7,null,null,null,1,null,null,6,null,2,null,5,null,null,null,null,null,null,8,null,null,7,null,null,6,3,1,null,null,null,null,null,7,null,null,6,null,3,null,4,null,null,null,0,null,null,null,2,null,null,null,2,8,null,null,null,null,null,6,1,7,null,null,null,null,null,null,null],"solution":[8,5,7,0,1,6,4,3,2,2,3,4,5,7,8,0,6,1,0,1,6,3,2,4,5,8,7,4,0,1,2,8,5,6,7,3,5,6,3,1,4,7,8,2,0,7,8,2,6,0,3,1,4,5,6,4,0,7,3,1,2,5,8,3,2,8,4,5,0,7,1,6,1,7,5,8,6,2,3,0,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 4 _
-_ _ _  6 8 _  _ _ 2
-_ _ 7  _ 3 _  6 _ _
-
-_ _ _  _ 9 _  _ 8 _
-_ 7 4  2 _ _  _ _ _
-8 _ _  7 _ 4  _ 5 _
-
-_ _ 1  _ _ _  3 _ _
-_ 3 9  _ _ _  _ _ 7
-2 8 _  _ _ _  _ _ _
-
-SOLUTION:
-9 6 8  1 2 7  5 4 3
-3 4 5  6 8 9  1 7 2
-1 2 7  4 3 5  6 9 8
-
-5 1 2  3 9 6  7 8 4
-6 7 4  2 5 8  9 3 1
-8 9 3  7 1 4  2 5 6
-
-7 5 1  8 4 2  3 6 9
-4 3 9  5 6 1  8 2 7
-2 8 6  9 7 3  4 1 5
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,4,null,null,3,null,7,null,null,null,null,null,null,null,null,null,8,6,null,0,null,1,null,null,null,2,5,null,6,4,null,2,8,null,null,null,null,null,null,null,null,null,null,null,1,8,3,null,null,null,4,null,3,null,5,null,null,2,5,0,1,null,4,null,null,null,null,null,null,null,null,2,null,null,null],"solution":[0,6,7,5,1,3,2,4,8,8,3,2,7,4,0,1,5,6,5,4,1,2,8,6,3,0,7,1,0,3,8,2,5,7,6,4,4,2,8,3,6,7,0,1,5,6,7,5,4,0,1,8,3,2,7,1,4,6,3,8,5,2,0,2,5,0,1,7,4,6,8,3,3,8,6,0,5,2,4,7,1]}
-PUZZLE:
-_ _ _  _ _ _  _ 5 _
-_ 4 _  8 _ _  _ _ _
-_ _ _  _ 9 7  _ 1 _
-
-2 _ _  _ 3 6  _ 7 5
-_ 3 9  _ _ _  _ _ _
-_ _ _  _ _ 2  9 4 _
-
-_ _ 5  _ 4 _  6 _ _
-3 6 1  2 _ 5  _ _ _
-_ _ _  _ _ 3  _ _ _
-
-SOLUTION:
-1 7 8  6 2 4  3 5 9
-9 4 3  8 5 1  2 6 7
-6 5 2  3 9 7  4 1 8
-
-2 1 4  9 3 6  8 7 5
-5 3 9  4 7 8  1 2 6
-7 8 6  5 1 2  9 4 3
-
-8 2 5  7 4 9  6 3 1
-3 6 1  2 8 5  7 9 4
-4 9 7  1 6 3  5 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,8,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,7,2,null,0,3,null,null,null,2,null,null,null,null,null,null,5,null,null,6,1,null,null,null,8,null,null,null,null,3,null,4,5,null,null,null,8,null,null,0,null,null,3,4,1,null,null,7,null,null,null,0,null,7,null,null,null,null,6],"solution":[4,5,3,8,0,2,6,1,7,0,2,7,6,1,4,5,8,3,6,1,8,3,5,7,2,4,0,3,6,1,4,2,8,0,7,5,7,4,5,0,3,6,1,2,8,2,8,0,5,7,1,3,6,4,5,7,6,2,8,3,4,0,1,8,3,4,1,6,0,7,5,2,1,0,2,7,4,5,8,3,6]}
-PUZZLE:
-_ 6 _  9 _ _  _ _ _
-_ _ 8  _ _ _  _ _ _
-_ _ _  _ _ 8  3 _ 1
-
-4 _ _  _ 3 _  _ _ _
-_ _ 6  _ _ 7  2 _ _
-_ 9 _  _ _ _  4 _ 5
-
-6 _ _  _ 9 _  _ 1 _
-_ 4 5  2 _ _  8 _ _
-_ 1 _  8 _ _  _ _ 7
-
-SOLUTION:
-5 6 4  9 1 3  7 2 8
-1 3 8  7 2 5  6 9 4
-7 2 9  4 6 8  3 5 1
-
-4 7 2  5 3 9  1 8 6
-8 5 6  1 4 7  2 3 9
-3 9 1  6 8 2  4 7 5
-
-6 8 7  3 9 4  5 1 2
-9 4 5  2 7 1  8 6 3
-2 1 3  8 5 6  9 4 7
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,2,null,null,null,null,4,null,null,null,1,null,null,5,null,null,null,0,5,6,3,null,null,7,null,null,null,null,null,null,null,null,null,null,4,2,null,null,null,5,7,null,0,null,null,null,null,null,6,null,null,null,null,null,null,null,8,null,6,3,null,null,7,3,7,null,null,4,null,null,6,null,null,null,0,null,null,null,null,null,null],"solution":[0,2,7,3,8,1,4,5,6,8,1,4,2,5,6,3,7,0,5,6,3,4,0,7,8,2,1,7,3,5,8,1,0,6,4,2,4,8,6,5,7,2,0,1,3,1,0,2,6,3,4,7,8,5,2,4,8,1,6,3,5,0,7,3,7,1,0,4,5,2,6,8,6,5,0,7,2,8,1,3,4]}
-PUZZLE:
-_ 3 _  _ _ _  5 _ _
-_ 2 _  _ 6 _  _ _ 1
-6 7 4  _ _ 8  _ _ _
-
-_ _ _  _ _ _  _ 5 3
-_ _ _  6 8 _  1 _ _
-_ _ _  7 _ _  _ _ _
-
-_ _ 9  _ 7 4  _ _ 8
-4 8 _  _ 5 _  _ 7 _
-_ _ 1  _ _ _  _ _ _
-
-SOLUTION:
-1 3 8  4 9 2  5 6 7
-9 2 5  3 6 7  4 8 1
-6 7 4  5 1 8  9 3 2
-
-8 4 6  9 2 1  7 5 3
-5 9 7  6 8 3  1 2 4
-2 1 3  7 4 5  8 9 6
-
-3 5 9  2 7 4  6 1 8
-4 8 2  1 5 6  3 7 9
-7 6 1  8 3 9  2 4 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,null,null,null,null,4,null,null,null,6,null,8,null,null,1,null,null,null,null,null,null,4,0,null,1,3,null,null,null,null,null,null,5,null,null,null,null,7,null,null,null,6,null,null,null,null,4,null,null,1,2,null,null,null,null,null,null,5,null,null,8,null,null,7,1,6,null,null,null,null,null,4,8,null,2,null,null],"solution":[8,5,7,3,4,0,1,6,2,4,3,0,1,6,2,8,7,5,1,6,2,7,5,8,3,4,0,0,1,3,5,2,6,4,8,7,5,2,4,8,1,7,0,3,6,6,7,8,0,3,4,5,2,1,2,4,1,6,0,3,7,5,8,3,8,5,2,7,1,6,0,4,7,0,6,4,8,5,2,1,3]}
-PUZZLE:
-_ _ _  4 _ _  _ _ _
-5 _ _  _ 7 _  9 _ _
-2 _ _  _ _ _  _ 5 1
-
-_ 2 4  _ _ _  _ _ _
-6 _ _  _ _ 8  _ _ _
-7 _ _  _ _ 5  _ _ 2
-
-3 _ _  _ _ _  _ 6 _
-_ 9 _  _ 8 2  7 _ _
-_ _ _  5 9 _  3 _ _
-
-SOLUTION:
-9 6 8  4 5 1  2 7 3
-5 4 1  2 7 3  9 8 6
-2 7 3  8 6 9  4 5 1
-
-1 2 4  6 3 7  5 9 8
-6 3 5  9 2 8  1 4 7
-7 8 9  1 4 5  6 3 2
-
-3 5 2  7 1 4  8 6 9
-4 9 6  3 8 2  7 1 5
-8 1 7  5 9 6  3 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,5,null,8,null,null,null,1,2,6,null,3,null,null,0,null,null,null,null,null,null,4,2,null,null,null,null,null,null,null,null,0,1,2,null,null,3,null,null,null,null,null,6,null,7,null,null,null,null,null,null,1,null,null,null,4,null,null,null,null,null,null,null,null,null,null,6,null,8,null,null,null,7,6,5,null,null,null],"solution":[7,3,0,2,5,4,8,1,6,4,1,2,6,8,3,7,5,0,8,6,5,0,1,7,4,2,3,3,5,8,4,7,6,2,0,1,2,4,1,3,0,8,5,6,7,6,0,7,5,2,1,3,8,4,1,7,6,8,4,2,0,3,5,5,2,4,1,3,0,6,7,8,0,8,3,7,6,5,1,4,2]}
-PUZZLE:
-_ 4 _  _ 6 _  9 _ _
-_ 2 3  7 _ 4  _ _ 1
-_ _ _  _ _ _  5 3 _
-
-_ _ _  _ _ _  _ 1 2
-3 _ _  4 _ _  _ _ _
-7 _ 8  _ _ _  _ _ _
-
-2 _ _  _ 5 _  _ _ _
-_ _ _  _ _ _  7 _ 9
-_ _ _  8 7 6  _ _ _
-
-SOLUTION:
-8 4 1  3 6 5  9 2 7
-5 2 3  7 9 4  8 6 1
-9 7 6  1 2 8  5 3 4
-
-4 6 9  5 8 7  3 1 2
-3 5 2  4 1 9  6 7 8
-7 1 8  6 3 2  4 9 5
-
-2 8 7  9 5 3  1 4 6
-6 3 5  2 4 1  7 8 9
-1 9 4  8 7 6  2 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,8,null,4,null,null,8,null,7,null,null,null,null,null,6,4,null,2,null,null,null,null,null,0,null,0,null,null,null,5,1,4,null,null,null,null,4,null,6,null,null,7,null,null,null,null,0,null,null,null,null,null,null,null,null,null,7,null,null,null,null,3,1,null,5,null,null,null,null,null,null,null,3,null,null,7,null,8],"solution":[0,1,3,6,8,2,4,7,5,8,5,7,0,1,4,2,3,6,4,6,2,5,7,3,8,1,0,6,0,8,7,2,5,1,4,3,1,2,5,4,3,6,0,8,7,3,7,4,1,0,8,5,6,2,5,8,6,2,4,7,3,0,1,7,3,1,8,5,0,6,2,4,2,4,0,3,6,1,7,5,8]}
-PUZZLE:
-_ 2 _  _ 9 _  5 _ _
-9 _ 8  _ _ _  _ _ 7
-5 _ 3  _ _ _  _ _ 1
-
-_ 1 _  _ _ 6  2 5 _
-_ _ _  5 _ 7  _ _ 8
-_ _ _  _ 1 _  _ _ _
-
-_ _ _  _ _ 8  _ _ _
-_ 4 2  _ 6 _  _ _ _
-_ _ _  4 _ _  8 _ 9
-
-SOLUTION:
-1 2 4  7 9 3  5 8 6
-9 6 8  1 2 5  3 4 7
-5 7 3  6 8 4  9 2 1
-
-7 1 9  8 3 6  2 5 4
-2 3 6  5 4 7  1 9 8
-4 8 5  2 1 9  6 7 3
-
-6 9 7  3 5 8  4 1 2
-8 4 2  9 6 1  7 3 5
-3 5 1  4 7 2  8 6 9
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,2,null,null,null,null,null,null,null,6,null,7,null,null,null,null,null,null,3,null,0,null,1,6,null,null,null,null,8,null,null,null,7,null,null,null,null,null,null,null,6,null,8,3,null,7,null,null,null,null,null,null,0,null,null,null,1,null,0,null,null,6,null,0,3,4,null,null,null,5,null,null,null,null,null,null,null,null,4,8],"solution":[0,8,2,6,4,5,3,7,1,4,6,1,7,2,3,8,0,5,7,3,5,0,8,1,6,2,4,6,5,8,3,0,4,7,1,2,1,2,0,5,7,6,4,8,3,3,7,4,8,1,2,5,6,0,8,4,7,1,5,0,2,3,6,2,0,3,4,6,8,1,5,7,5,1,6,2,3,7,0,4,8]}
-PUZZLE:
-1 _ 3  _ _ _  _ _ _
-_ 7 _  8 _ _  _ _ _
-_ 4 _  1 _ 2  7 _ _
-
-_ _ 9  _ _ _  8 _ _
-_ _ _  _ _ 7  _ 9 4
-_ 8 _  _ _ _  _ _ 1
-
-_ _ _  2 _ 1  _ _ 7
-_ 1 4  5 _ _  _ 6 _
-_ _ _  _ _ _  _ 5 9
-
-SOLUTION:
-1 9 3  7 5 6  4 8 2
-5 7 2  8 3 4  9 1 6
-8 4 6  1 9 2  7 3 5
-
-7 6 9  4 1 5  8 2 3
-2 3 1  6 8 7  5 9 4
-4 8 5  9 2 3  6 7 1
-
-9 5 8  2 6 1  3 4 7
-3 1 4  5 7 9  2 6 8
-6 2 7  3 4 8  1 5 9
-
-RATING: 3
-DATA:
-{"puzzle":[null,0,null,null,null,6,null,null,null,null,null,null,null,null,null,1,8,null,null,null,null,2,8,null,null,4,3,6,null,null,null,null,null,null,null,null,3,null,null,null,4,null,null,5,8,null,null,null,1,null,null,null,null,2,7,2,null,null,null,3,null,6,null,1,null,0,6,null,null,2,null,null,null,null,null,null,null,null,null,null,4],"solution":[4,0,8,3,1,6,5,2,7,2,7,3,0,5,4,1,8,6,5,6,1,2,8,7,0,4,3,6,5,7,8,3,2,4,1,0,3,1,2,7,4,0,6,5,8,0,8,4,1,6,5,3,7,2,7,2,5,4,0,3,8,6,1,1,4,0,6,7,8,2,3,5,8,3,6,5,2,1,7,0,4]}
-PUZZLE:
-_ 1 _  _ _ 7  _ _ _
-_ _ _  _ _ _  2 9 _
-_ _ _  3 9 _  _ 5 4
-
-7 _ _  _ _ _  _ _ _
-4 _ _  _ 5 _  _ 6 9
-_ _ _  2 _ _  _ _ 3
-
-8 3 _  _ _ 4  _ 7 _
-2 _ 1  7 _ _  3 _ _
-_ _ _  _ _ _  _ _ 5
-
-SOLUTION:
-5 1 9  4 2 7  6 3 8
-3 8 4  1 6 5  2 9 7
-6 7 2  3 9 8  1 5 4
-
-7 6 8  9 4 3  5 2 1
-4 2 3  8 5 1  7 6 9
-1 9 5  2 7 6  4 8 3
-
-8 3 6  5 1 4  9 7 2
-2 5 1  7 8 9  3 4 6
-9 4 7  6 3 2  8 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,0,null,null,null,null,null,3,null,null,8,null,1,null,4,0,null,null,null,null,6,null,null,null,null,null,3,null,null,null,null,null,2,8,6,null,null,3,null,null,null,5,null,null,null,null,null,7,null,null,null,null,5,null,4,null,null,null,null,null,null,null,null,null,null,null,2,null,1,7,0,7,null,null,5,null,null,null,3],"solution":[1,8,6,0,4,3,2,7,5,3,5,7,8,2,1,6,4,0,2,4,0,5,6,7,3,8,1,7,3,5,6,1,4,0,2,8,6,2,1,3,8,0,7,5,4,4,0,8,2,7,5,1,3,6,5,1,4,7,3,6,8,0,2,8,6,3,4,0,2,5,1,7,0,7,2,1,5,8,4,6,3]}
-PUZZLE:
-2 _ _  1 _ _  _ _ _
-4 _ _  9 _ 2  _ 5 1
-_ _ _  _ 7 _  _ _ _
-
-_ 4 _  _ _ _  _ 3 9
-7 _ _  4 _ _  _ 6 _
-_ _ _  _ 8 _  _ _ _
-
-6 _ 5  _ _ _  _ _ _
-_ _ _  _ _ 3  _ 2 8
-1 8 _  _ 6 _  _ _ 4
-
-SOLUTION:
-2 9 7  1 5 4  3 8 6
-4 6 8  9 3 2  7 5 1
-3 5 1  6 7 8  4 9 2
-
-8 4 6  7 2 5  1 3 9
-7 3 2  4 9 1  8 6 5
-5 1 9  3 8 6  2 4 7
-
-6 2 5  8 4 7  9 1 3
-9 7 4  5 1 3  6 2 8
-1 8 3  2 6 9  5 7 4
-
-RATING: 1.5
-DATA:
-{"puzzle":[1,null,null,3,null,null,null,2,null,null,6,null,null,null,0,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,2,null,null,3,5,null,2,null,7,null,null,4,null,null,0,6,null,null,null,null,null,null,6,null,null,null,null,0,null,0,null,4,null,null,null,3,null,5,8,2,null,null,3,null,null,4],"solution":[1,7,0,3,4,5,6,2,8,3,6,8,2,1,0,5,4,7,4,2,5,8,6,7,3,0,1,8,5,6,7,3,4,0,1,2,0,1,3,5,8,2,4,7,6,2,4,7,1,0,6,8,5,3,7,3,4,6,5,1,2,8,0,6,0,1,4,2,8,7,3,5,5,8,2,0,7,3,1,6,4]}
-PUZZLE:
-2 _ _  4 _ _  _ 3 _
-_ 7 _  _ _ 1  _ _ 8
-_ _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ 2 3
-_ _ 4  6 _ 3  _ 8 _
-_ 5 _  _ 1 7  _ _ _
-
-_ _ _  7 _ _  _ _ 1
-_ 1 _  5 _ _  _ 4 _
-6 9 3  _ _ 4  _ _ 5
-
-SOLUTION:
-2 8 1  4 5 6  7 3 9
-4 7 9  3 2 1  6 5 8
-5 3 6  9 7 8  4 1 2
-
-9 6 7  8 4 5  1 2 3
-1 2 4  6 9 3  5 8 7
-3 5 8  2 1 7  9 6 4
-
-8 4 5  7 6 2  3 9 1
-7 1 2  5 3 9  8 4 6
-6 9 3  1 8 4  2 7 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,3,null,7,null,null,0,2,7,null,null,null,null,4,null,3,null,null,null,null,8,null,null,5,2,null,null,null,null,null,null,null,7,null,8,3,null,null,null,null,null,null,null,1,null,6,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,6,null,null,null,4,8,7,3,null,null,null,5,7,2,null,6],"solution":[4,1,5,8,0,3,6,7,2,8,0,2,7,1,6,3,5,4,6,3,7,2,4,5,8,0,1,5,2,3,0,7,4,1,6,8,7,6,8,3,2,1,5,4,0,0,4,1,5,6,8,7,2,3,1,7,4,6,8,2,0,3,5,2,5,6,1,3,0,4,8,7,3,8,0,4,5,7,2,1,6]}
-PUZZLE:
-_ _ _  _ _ 4  _ 8 _
-_ 1 3  8 _ _  _ _ 5
-_ 4 _  _ _ _  9 _ _
-
-6 3 _  _ _ _  _ _ _
-8 _ 9  4 _ _  _ _ _
-_ _ 2  _ 7 _  _ _ _
-
-_ _ _  _ _ _  1 _ _
-_ _ 7  _ _ _  5 9 8
-4 _ _  _ 6 8  3 _ 7
-
-SOLUTION:
-5 2 6  9 1 4  7 8 3
-9 1 3  8 2 7  4 6 5
-7 4 8  3 5 6  9 1 2
-
-6 3 4  1 8 5  2 7 9
-8 7 9  4 3 2  6 5 1
-1 5 2  6 7 9  8 3 4
-
-2 8 5  7 9 3  1 4 6
-3 6 7  2 4 1  5 9 8
-4 9 1  5 6 8  3 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,6,8,null,7,null,3,null,null,null,8,4,1,null,null,5,null,null,null,null,3,null,null,7,6,null,null,null,null,null,null,null,null,null,null,null,2,1,null,null,null,null,null,0,7,null,null,5,null,null,null,null,5,null,1,4,7,6,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,0,null],"solution":[1,0,4,2,3,6,8,5,7,2,3,7,5,0,8,4,1,6,6,5,8,1,4,7,3,2,0,7,6,2,4,8,5,0,3,1,5,4,3,0,2,1,6,7,8,8,1,0,7,6,3,5,4,2,0,2,5,8,1,4,7,6,3,3,7,1,6,5,0,2,8,4,4,8,6,3,7,2,1,0,5]}
-PUZZLE:
-_ _ 5  _ _ 7  9 _ 8
-_ 4 _  _ _ 9  5 2 _
-_ 6 _  _ _ _  4 _ _
-
-8 7 _  _ _ _  _ _ _
-_ _ _  _ 3 2  _ _ _
-_ _ 1  8 _ _  6 _ _
-
-_ _ 6  _ 2 5  8 7 _
-_ _ _  _ _ _  _ _ 5
-_ _ _  _ _ _  _ 1 _
-
-SOLUTION:
-2 1 5  3 4 7  9 6 8
-3 4 8  6 1 9  5 2 7
-7 6 9  2 5 8  4 3 1
-
-8 7 3  5 9 6  1 4 2
-6 5 4  1 3 2  7 8 9
-9 2 1  8 7 4  6 5 3
-
-1 3 6  9 2 5  8 7 4
-4 8 2  7 6 1  3 9 5
-5 9 7  4 8 3  2 1 6
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,3,null,null,0,null,null,8,null,6,null,null,1,null,3,2,1,null,null,null,null,7,null,null,null,7,null,null,null,null,0,null,null,null,null,null,null,null,null,null,4,null,0,null,null,null,4,null,5,null,7,null,6,8,null,5,null,null,null,null,null,null,null,3,null,8,null,null,2,null,null,1,null,null,null,null,null,null],"solution":[6,4,7,2,3,1,8,0,5,5,8,0,6,7,4,1,2,3,2,1,3,5,8,0,7,6,4,1,7,4,8,2,5,0,3,6,8,5,6,7,0,3,2,4,1,0,3,2,1,4,6,5,8,7,7,6,8,4,5,2,3,1,0,4,0,5,3,1,8,6,7,2,3,2,1,0,6,7,4,5,8]}
-PUZZLE:
-_ _ _  _ 4 _  _ 1 _
-_ 9 _  7 _ _  2 _ 4
-3 2 _  _ _ _  8 _ _
-
-_ 8 _  _ _ _  1 _ _
-_ _ _  _ _ _  _ 5 _
-1 _ _  _ 5 _  6 _ 8
-
-_ 7 9  _ 6 _  _ _ _
-_ _ _  4 _ 9  _ _ 3
-_ _ 2  _ _ _  _ _ _
-
-SOLUTION:
-7 5 8  3 4 2  9 1 6
-6 9 1  7 8 5  2 3 4
-3 2 4  6 9 1  8 7 5
-
-2 8 5  9 3 6  1 4 7
-9 6 7  8 1 4  3 5 2
-1 4 3  2 5 7  6 9 8
-
-8 7 9  5 6 3  4 2 1
-5 1 6  4 2 9  7 8 3
-4 3 2  1 7 8  5 6 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[3,null,null,null,null,6,null,null,0,null,null,null,null,null,null,5,null,null,1,8,null,null,null,2,null,3,null,null,4,null,null,null,8,6,null,7,null,3,null,null,0,null,null,null,5,null,null,null,null,2,7,null,null,1,0,null,null,8,null,null,null,4,null,null,null,null,null,null,5,null,null,null,null,2,null,null,null,null,null,null,null],"solution":[3,5,4,7,8,6,2,1,0,7,0,2,3,1,4,5,6,8,1,8,6,0,5,2,7,3,4,2,4,1,5,3,8,6,0,7,8,3,7,6,0,1,4,2,5,5,6,0,4,2,7,3,8,1,0,7,5,8,6,3,1,4,2,6,1,8,2,4,5,0,7,3,4,2,3,1,7,0,8,5,6]}
-PUZZLE:
-4 _ _  _ _ 7  _ _ 1
-_ _ _  _ _ _  6 _ _
-2 9 _  _ _ 3  _ 4 _
-
-_ 5 _  _ _ 9  7 _ 8
-_ 4 _  _ 1 _  _ _ 6
-_ _ _  _ 3 8  _ _ 2
-
-1 _ _  9 _ _  _ 5 _
-_ _ _  _ _ 6  _ _ _
-_ 3 _  _ _ _  _ _ _
-
-SOLUTION:
-4 6 5  8 9 7  3 2 1
-8 1 3  4 2 5  6 7 9
-2 9 7  1 6 3  8 4 5
-
-3 5 2  6 4 9  7 1 8
-9 4 8  7 1 2  5 3 6
-6 7 1  5 3 8  4 9 2
-
-1 8 6  9 7 4  2 5 3
-7 2 9  3 5 6  1 8 4
-5 3 4  2 8 1  9 6 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,8,5,null,null,null,null,null,null,null,null,1,4,6,null,null,null,null,4,null,null,null,3,null,null,null,6,8,4,null,null,null,null,null,7,null,null,null,null,null,null,null,0,null,3,null,2,null,null,null,null,null,null,null,null,null,null,null,8,6,null,null,null,null,null,null,3,null,1,null,null,0,5,null,null,null,null,4,null,3],"solution":[7,1,8,5,2,0,3,6,4,2,3,0,1,4,6,7,5,8,5,4,6,8,7,3,0,1,2,6,8,4,2,0,1,5,3,7,1,7,5,3,8,4,2,0,6,3,0,2,6,5,7,8,4,1,4,2,3,0,1,8,6,7,5,8,6,7,4,3,5,1,2,0,0,5,1,7,6,2,4,8,3]}
-PUZZLE:
-_ 2 9  6 _ _  _ _ _
-_ _ _  2 5 7  _ _ _
-_ 5 _  _ _ 4  _ _ _
-
-7 9 5  _ _ _  _ _ 8
-_ _ _  _ _ _  _ 1 _
-4 _ 3  _ _ _  _ _ _
-
-_ _ _  _ _ 9  7 _ _
-_ _ _  _ 4 _  2 _ _
-1 6 _  _ _ _  5 _ 4
-
-SOLUTION:
-8 2 9  6 3 1  4 7 5
-3 4 1  2 5 7  8 6 9
-6 5 7  9 8 4  1 2 3
-
-7 9 5  3 1 2  6 4 8
-2 8 6  4 9 5  3 1 7
-4 1 3  7 6 8  9 5 2
-
-5 3 4  1 2 9  7 8 6
-9 7 8  5 4 6  2 3 1
-1 6 2  8 7 3  5 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,2,null,null,null,null,null,null,null,4,0,null,null,2,null,null,null,0,7,null,8,null,null,null,5,null,null,null,null,1,null,null,3,null,null,null,null,null,null,6,5,null,3,null,null,null,null,null,1,null,null,null,8,null,null,null,null,7,null,4,4,1,null,null,null,null,null,null,null,null,null,null,2,6,null,null,null,0],"solution":[8,4,5,3,2,6,0,7,1,6,7,1,4,0,5,3,2,8,2,3,0,7,1,8,5,4,6,5,2,8,6,7,1,4,0,3,1,0,4,8,3,2,6,5,7,3,6,7,5,4,0,1,8,2,0,8,2,1,5,3,7,6,4,4,1,6,0,8,7,2,3,5,7,5,3,2,6,4,8,1,0]}
-PUZZLE:
-_ _ 6  _ 3 _  _ _ _
-_ _ _  5 1 _  _ 3 _
-_ _ 1  8 _ 9  _ _ _
-
-6 _ _  _ _ 2  _ _ 4
-_ _ _  _ _ _  7 6 _
-4 _ _  _ _ _  2 _ _
-
-_ 9 _  _ _ _  8 _ 5
-5 2 _  _ _ _  _ _ _
-_ _ _  3 7 _  _ _ 1
-
-SOLUTION:
-9 5 6  4 3 7  1 8 2
-7 8 2  5 1 6  4 3 9
-3 4 1  8 2 9  6 5 7
-
-6 3 9  7 8 2  5 1 4
-2 1 5  9 4 3  7 6 8
-4 7 8  6 5 1  2 9 3
-
-1 9 3  2 6 4  8 7 5
-5 2 7  1 9 8  3 4 6
-8 6 4  3 7 5  9 2 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,8,1,null,5,6,null,null,null,1,null,null,null,4,null,null,null,3,2,null,7,5,null,null,null,8,null,6,5,null,3,null,null,null,null,null,null,null,null,null,null,null,1,0,null,3,null,null,7,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,0,null,4,6,null,null,null,7,0,null,null,null,null,null,null],"solution":[4,0,7,8,1,2,5,6,3,5,8,1,3,6,0,4,7,2,6,3,2,4,7,5,1,8,0,8,1,6,5,0,3,7,2,4,7,4,5,2,8,6,3,0,1,0,2,3,1,4,7,8,5,6,2,6,4,7,3,8,0,1,5,1,5,8,0,2,4,6,3,7,3,7,0,6,5,1,2,4,8]}
-PUZZLE:
-_ _ _  9 2 _  6 7 _
-_ _ 2  _ _ _  5 _ _
-_ 4 3  _ 8 6  _ _ _
-
-9 _ 7  6 _ 4  _ _ _
-_ _ _  _ _ _  _ _ 2
-1 _ 4  _ _ 8  _ _ _
-
-_ _ _  _ _ _  _ 2 _
-_ _ _  1 _ 5  7 _ _
-_ 8 1  _ _ _  _ _ _
-
-SOLUTION:
-5 1 8  9 2 3  6 7 4
-6 9 2  4 7 1  5 8 3
-7 4 3  5 8 6  2 9 1
-
-9 2 7  6 1 4  8 3 5
-8 5 6  3 9 7  4 1 2
-1 3 4  2 5 8  9 6 7
-
-3 7 5  8 4 9  1 2 6
-2 6 9  1 3 5  7 4 8
-4 8 1  7 6 2  3 5 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,6,null,1,8,null,null,null,1,null,3,null,null,null,null,null,null,3,0,null,null,6,null,5,null,null,7,null,null,5,null,null,null,null,null,null,null,null,null,null,3,8,8,null,null,null,2,null,0,null,null,null,null,null,null,null,null,null,null,4,2,null,null,null,null,4,7,null,null,null,null,null,2,1,null,null,6,null],"solution":[7,0,5,4,6,2,1,8,3,6,8,1,5,3,7,4,0,2,4,2,3,0,8,1,6,7,5,0,3,7,8,4,5,2,1,6,1,4,2,6,7,0,5,3,8,8,5,6,1,2,3,0,4,7,3,1,0,7,5,6,8,2,4,2,6,8,3,0,4,7,5,1,5,7,4,2,1,8,3,6,0]}
-PUZZLE:
-_ _ _  _ 7 _  2 9 _
-_ _ 2  _ 4 _  _ _ _
-_ _ 4  1 _ _  7 _ 6
-
-_ _ 8  _ _ 6  _ _ _
-_ _ _  _ _ _  _ 4 9
-9 _ _  _ 3 _  1 _ _
-
-_ _ _  _ _ _  _ _ 5
-3 _ _  _ _ 5  8 _ _
-_ _ _  3 2 _  _ 7 _
-
-SOLUTION:
-8 1 6  5 7 3  2 9 4
-7 9 2  6 4 8  5 1 3
-5 3 4  1 9 2  7 8 6
-
-1 4 8  9 5 6  3 2 7
-2 5 3  7 8 1  6 4 9
-9 6 7  2 3 4  1 5 8
-
-4 2 1  8 6 7  9 3 5
-3 7 9  4 1 5  8 6 2
-6 8 5  3 2 9  4 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,5,8,0,null,2,null,7,null,null,4,null,null,null,null,2,null,3,6,null,null,null,null,null,null,null,null,8,null,null,3,null,null,5,null,null,null,null,null,null,null,1,null,3,null,null,null,null,null,null,6,null,null,4,0,null,null,6,5,null,7,5,null,null,1,null,null,null,null,null,0,null,null,null,3,null,null,null],"solution":[4,6,1,3,5,8,0,7,2,0,7,5,2,4,1,8,6,3,2,8,3,6,0,7,1,4,5,1,4,0,8,6,5,3,2,7,5,2,6,7,3,0,4,8,1,8,3,7,1,2,4,5,0,6,3,1,4,0,7,2,6,5,8,7,5,8,4,1,6,2,3,0,6,0,2,5,8,3,7,1,4]}
-PUZZLE:
-_ _ 2  _ 6 9  1 _ 3
-_ 8 _  _ 5 _  _ _ _
-3 _ 4  7 _ _  _ _ _
-
-_ _ _  9 _ _  4 _ _
-6 _ _  _ _ _  _ _ 2
-_ 4 _  _ _ _  _ _ 7
-
-_ _ 5  1 _ _  7 6 _
-8 6 _  _ 2 _  _ _ _
-_ 1 _  _ _ 4  _ _ _
-
-SOLUTION:
-5 7 2  4 6 9  1 8 3
-1 8 6  3 5 2  9 7 4
-3 9 4  7 1 8  2 5 6
-
-2 5 1  9 7 6  4 3 8
-6 3 7  8 4 1  5 9 2
-9 4 8  2 3 5  6 1 7
-
-4 2 5  1 8 3  7 6 9
-8 6 9  5 2 7  3 4 1
-7 1 3  6 9 4  8 2 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,null,null,null,3,2,null,null,6,null,null,4,0,null,null,null,5,null,null,1,null,null,null,8,null,null,null,null,null,6,null,1,null,null,null,null,null,8,null,2,null,3,null,null,8,null,null,null,null,5,null,null,3,0,null,null,null,null,6,null,null,4,null,1,7,null,null,null,1,null,null,null,3,null,null],"solution":[5,7,4,8,1,2,6,3,0,1,3,2,0,7,6,8,5,4,0,8,6,4,5,3,2,1,7,7,4,8,3,0,1,5,2,6,6,1,5,7,2,4,0,8,3,2,0,3,5,6,8,7,4,1,8,5,7,1,3,0,4,6,2,3,6,0,2,4,5,1,7,8,4,2,1,6,8,7,3,0,5]}
-PUZZLE:
-_ _ _  _ _ 3  _ _ _
-_ 4 3  _ _ 7  _ _ 5
-1 _ _  _ 6 _  _ 2 _
-
-_ _ 9  _ _ _  _ _ 7
-_ 2 _  _ _ _  _ 9 _
-3 _ 4  _ _ 9  _ _ _
-
-_ 6 _  _ 4 1  _ _ _
-_ 7 _  _ 5 _  2 8 _
-_ _ 2  _ _ _  4 _ _
-
-SOLUTION:
-6 8 5  9 2 3  7 4 1
-2 4 3  1 8 7  9 6 5
-1 9 7  5 6 4  3 2 8
-
-8 5 9  4 1 2  6 3 7
-7 2 6  8 3 5  1 9 4
-3 1 4  6 7 9  8 5 2
-
-9 6 8  2 4 1  5 7 3
-4 7 1  3 5 6  2 8 9
-5 3 2  7 9 8  4 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,null,6,0,null,null,null,null,null,null,null,null,null,null,3,5,null,null,8,2,3,null,null,6,null,null,7,null,1,null,null,null,null,null,null,null,0,null,null,null,null,null,8,null,null,null,null,null,7,1,null,null,8,null,2,null,null,null,null,null,7,null,1,null,null,null,null,6,null,4,null,null,5,null,null,6,null,2,null],"solution":[3,4,1,5,6,0,7,8,2,2,0,6,8,7,1,4,3,5,7,5,8,2,3,4,0,6,1,6,7,4,1,5,8,2,0,3,1,2,0,6,4,3,5,7,8,5,8,3,0,2,7,1,4,6,8,6,2,4,0,5,3,1,7,0,1,7,3,8,2,6,5,4,4,3,5,7,1,6,8,2,0]}
-PUZZLE:
-_ 5 _  _ 7 1  _ _ _
-_ _ _  _ _ _  _ 4 6
-_ _ 9  3 4 _  _ 7 _
-
-_ 8 _  2 _ _  _ _ _
-_ _ 1  _ _ _  _ _ 9
-_ _ _  _ _ 8  2 _ _
-
-9 _ 3  _ _ _  _ _ 8
-_ 2 _  _ _ _  7 _ 5
-_ _ 6  _ _ 7  _ 3 _
-
-SOLUTION:
-4 5 2  6 7 1  8 9 3
-3 1 7  9 8 2  5 4 6
-8 6 9  3 4 5  1 7 2
-
-7 8 5  2 6 9  3 1 4
-2 3 1  7 5 4  6 8 9
-6 9 4  1 3 8  2 5 7
-
-9 7 3  5 1 6  4 2 8
-1 2 8  4 9 3  7 6 5
-5 4 6  8 2 7  9 3 1
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,null,null,5,null,null,null,null,6,null,null,3,null,null,null,0,null,null,5,null,6,null,8,null,1,null,5,null,3,8,null,null,null,4,null,null,null,null,null,null,2,null,null,5,null,2,0,null,null,null,null,null,null,null,null,null,7,null,null,0,null,null,null,3,null,5,null,null,1,null,null,8,null,null,null,null,null,6,5,7],"solution":[3,7,8,0,5,1,4,2,6,6,4,1,3,2,7,5,0,8,0,5,2,6,4,8,7,1,3,5,1,3,8,7,6,2,4,0,4,8,6,1,0,2,3,7,5,7,2,0,4,3,5,8,6,1,1,6,5,7,8,4,0,3,2,2,3,7,5,6,0,1,8,4,8,0,4,2,1,3,6,5,7]}
-PUZZLE:
-_ _ _  _ 6 _  _ _ _
-7 _ _  4 _ _  _ 1 _
-_ 6 _  7 _ 9  _ 2 _
-
-6 _ 4  9 _ _  _ 5 _
-_ _ _  _ _ 3  _ _ 6
-_ 3 1  _ _ _  _ _ _
-
-_ _ _  8 _ _  1 _ _
-_ 4 _  6 _ _  2 _ _
-9 _ _  _ _ _  7 6 8
-
-SOLUTION:
-4 8 9  1 6 2  5 3 7
-7 5 2  4 3 8  6 1 9
-1 6 3  7 5 9  8 2 4
-
-6 2 4  9 8 7  3 5 1
-5 9 7  2 1 3  4 8 6
-8 3 1  5 4 6  9 7 2
-
-2 7 6  8 9 5  1 4 3
-3 4 8  6 7 1  2 9 5
-9 1 5  3 2 4  7 6 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[3,5,null,null,null,null,null,null,7,null,null,null,7,null,6,null,null,null,null,null,8,null,null,null,null,1,4,null,null,2,null,null,null,null,null,3,1,null,5,null,6,2,7,null,null,6,3,null,1,null,0,null,null,null,null,null,null,null,1,3,0,null,null,0,null,null,null,null,null,null,null,6,8,null,null,5,null,null,null,null,null],"solution":[3,5,0,4,8,1,6,2,7,2,4,1,7,3,6,8,0,5,7,6,8,0,2,5,3,1,4,4,0,2,8,5,7,1,6,3,1,8,5,3,6,2,7,4,0,6,3,7,1,4,0,5,8,2,5,2,4,6,1,3,0,7,8,0,1,3,2,7,8,4,5,6,8,7,6,5,0,4,2,3,1]}
-PUZZLE:
-4 6 _  _ _ _  _ _ 8
-_ _ _  8 _ 7  _ _ _
-_ _ 9  _ _ _  _ 2 5
-
-_ _ 3  _ _ _  _ _ 4
-2 _ 6  _ 7 3  8 _ _
-7 4 _  2 _ 1  _ _ _
-
-_ _ _  _ 2 4  1 _ _
-1 _ _  _ _ _  _ _ 7
-9 _ _  6 _ _  _ _ _
-
-SOLUTION:
-4 6 1  5 9 2  7 3 8
-3 5 2  8 4 7  9 1 6
-8 7 9  1 3 6  4 2 5
-
-5 1 3  9 6 8  2 7 4
-2 9 6  4 7 3  8 5 1
-7 4 8  2 5 1  6 9 3
-
-6 3 5  7 2 4  1 8 9
-1 2 4  3 8 9  5 6 7
-9 8 7  6 1 5  3 4 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,3,null,5,null,7,null,6,null,null,null,null,null,null,null,null,5,0,null,null,null,null,8,null,null,null,null,null,2,null,6,3,null,7,null,null,null,1,6,null,null,null,null,null,null,null,null,8,null,null,4,null,null,1,null,null,null,4,null,2,null,null,5,null,null,null,null,null,3,null,null,2,4,null,null,null,null,null,0,null,null],"solution":[1,3,0,5,2,7,8,6,4,2,8,7,1,4,6,3,5,0,6,4,5,3,8,0,2,1,7,5,2,4,6,3,1,7,0,8,7,1,6,2,0,8,5,4,3,3,0,8,7,5,4,6,2,1,0,6,3,4,7,2,1,8,5,8,5,1,0,6,3,4,7,2,4,7,2,8,1,5,0,3,6]}
-PUZZLE:
-_ 4 _  6 _ 8  _ 7 _
-_ _ _  _ _ _  _ 6 1
-_ _ _  _ 9 _  _ _ _
-
-_ 3 _  7 4 _  8 _ _
-_ 2 7  _ _ _  _ _ _
-_ _ 9  _ _ 5  _ _ 2
-
-_ _ _  5 _ 3  _ _ 6
-_ _ _  _ _ 4  _ _ 3
-5 _ _  _ _ _  1 _ _
-
-SOLUTION:
-2 4 1  6 3 8  9 7 5
-3 9 8  2 5 7  4 6 1
-7 5 6  4 9 1  3 2 8
-
-6 3 5  7 4 2  8 1 9
-8 2 7  3 1 9  6 5 4
-4 1 9  8 6 5  7 3 2
-
-1 7 4  5 8 3  2 9 6
-9 6 2  1 7 4  5 8 3
-5 8 3  9 2 6  1 4 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,7,null,8,null,null,null,null,2,null,null,null,7,null,null,null,null,null,3,null,1,null,null,null,1,null,null,4,null,6,2,null,6,null,null,null,5,null,null,null,7,null,null,4,1,null,null,null,3,null,4,7,null,null,null,null,null,6,8,null,null,1,null,null,null,null,null,null,null,5,8,null,0,2,null,null,null],"solution":[1,4,5,0,6,7,3,8,2,0,3,6,2,8,1,5,7,4,8,2,7,4,3,5,1,0,6,5,1,3,7,4,8,6,2,0,6,8,2,3,5,0,4,1,7,7,0,4,1,2,6,8,3,5,4,7,0,5,1,3,2,6,8,2,6,1,8,7,4,0,5,3,3,5,8,6,0,2,7,4,1]}
-PUZZLE:
-_ _ _  _ _ 8  _ 9 _
-_ _ _  3 _ _  _ 8 _
-_ _ _  _ 4 _  2 _ _
-
-_ 2 _  _ 5 _  7 3 _
-7 _ _  _ 6 _  _ _ 8
-_ _ 5  2 _ _  _ 4 _
-
-5 8 _  _ _ _  _ 7 9
-_ _ 2  _ _ _  _ _ _
-_ 6 9  _ 1 3  _ _ _
-
-SOLUTION:
-2 5 6  1 7 8  4 9 3
-1 4 7  3 9 2  6 8 5
-9 3 8  5 4 6  2 1 7
-
-6 2 4  8 5 9  7 3 1
-7 9 3  4 6 1  5 2 8
-8 1 5  2 3 7  9 4 6
-
-5 8 1  6 2 4  3 7 9
-3 7 2  9 8 5  1 6 4
-4 6 9  7 1 3  8 5 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,7,null,null,3,1,null,null,null,null,1,3,5,null,0,null,null,null,null,null,null,null,1,null,0,6,2,null,null,7,null,null,null,8,null,null,2,null,null,0,null,null,null,4,null,null,null,4,null,null,8,7,null,null,null,5,null,null,0,7,2,null,null,null,null,null,3,2,null,null,0,null],"solution":[5,4,0,8,6,2,3,7,1,8,7,2,4,3,1,6,5,0,6,1,3,5,7,0,4,2,8,4,3,8,7,1,5,0,6,2,1,0,7,2,4,6,8,3,5,2,6,5,0,8,3,1,4,7,0,2,4,6,5,8,7,1,3,3,5,6,1,0,7,2,8,4,7,8,1,3,2,4,5,0,6]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 8 _  _ 4 2  _ _ _
-_ 2 4  6 _ 1  _ _ _
-
-_ _ _  _ 2 _  1 7 3
-_ _ 8  _ _ _  9 _ _
-3 _ _  1 _ _  _ 5 _
-
-_ _ 5  _ _ 9  8 _ _
-_ 6 _  _ 1 8  3 _ _
-_ _ _  4 3 _  _ 1 _
-
-SOLUTION:
-6 5 1  9 7 3  4 8 2
-9 8 3  5 4 2  7 6 1
-7 2 4  6 8 1  5 3 9
-
-5 4 9  8 2 6  1 7 3
-2 1 8  3 5 7  9 4 6
-3 7 6  1 9 4  2 5 8
-
-1 3 5  7 6 9  8 2 4
-4 6 7  2 1 8  3 9 5
-8 9 2  4 3 5  6 1 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[8,1,null,null,null,null,2,null,3,3,null,null,null,null,null,null,7,null,null,null,null,null,1,null,null,5,null,null,null,0,null,4,null,null,null,null,6,null,null,2,null,null,3,null,null,null,null,4,null,null,5,null,0,6,5,6,3,null,null,null,null,null,null,null,2,null,4,null,null,null,null,0,null,null,null,null,null,1,7,null,null],"solution":[8,1,5,0,7,4,2,6,3,3,4,2,5,6,8,0,7,1,0,7,6,3,1,2,8,5,4,7,3,0,1,4,6,5,2,8,6,5,1,2,8,0,3,4,7,2,8,4,7,3,5,1,0,6,5,6,3,8,0,7,4,1,2,1,2,7,4,5,3,6,8,0,4,0,8,6,2,1,7,3,5]}
-PUZZLE:
-9 2 _  _ _ _  3 _ 4
-4 _ _  _ _ _  _ 8 _
-_ _ _  _ 2 _  _ 6 _
-
-_ _ 1  _ 5 _  _ _ _
-7 _ _  3 _ _  4 _ _
-_ _ 5  _ _ 6  _ 1 7
-
-6 7 4  _ _ _  _ _ _
-_ 3 _  5 _ _  _ _ 1
-_ _ _  _ _ 2  8 _ _
-
-SOLUTION:
-9 2 6  1 8 5  3 7 4
-4 5 3  6 7 9  1 8 2
-1 8 7  4 2 3  9 6 5
-
-8 4 1  2 5 7  6 3 9
-7 6 2  3 9 1  4 5 8
-3 9 5  8 4 6  2 1 7
-
-6 7 4  9 1 8  5 2 3
-2 3 8  5 6 4  7 9 1
-5 1 9  7 3 2  8 4 6
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,0,null,null,null,6,null,null,null,null,null,null,null,null,null,null,0,8,5,null,7,null,null,3,6,null,null,null,5,null,6,0,null,8,null,null,null,null,null,null,null,null,1,null,null,null,4,null,8,null,7,null,null,null,null,null,null,null,null,null,null,4,null,null,null,3,null,1,null,0,null,null,7,null,null,5,3,null,null,null,null],"solution":[4,0,1,2,8,6,7,3,5,2,3,6,1,7,5,4,0,8,5,8,7,0,4,3,6,1,2,3,5,2,6,0,1,8,7,4,6,7,8,3,5,4,1,2,0,1,4,0,8,2,7,5,6,3,0,2,5,7,6,8,3,4,1,8,6,3,4,1,2,0,5,7,7,1,4,5,3,0,2,8,6]}
-PUZZLE:
-_ 1 _  _ _ 7  _ _ _
-_ _ _  _ _ _  _ 1 9
-6 _ 8  _ _ 4  7 _ _
-
-_ 6 _  7 1 _  9 _ _
-_ _ _  _ _ _  2 _ _
-_ 5 _  9 _ 8  _ _ _
-
-_ _ _  _ _ _  _ 5 _
-_ _ 4  _ 2 _  1 _ _
-8 _ _  6 4 _  _ _ _
-
-SOLUTION:
-5 1 2  3 9 7  8 4 6
-3 4 7  2 8 6  5 1 9
-6 9 8  1 5 4  7 2 3
-
-4 6 3  7 1 2  9 8 5
-7 8 9  4 6 5  2 3 1
-2 5 1  9 3 8  6 7 4
-
-1 3 6  8 7 9  4 5 2
-9 7 4  5 2 3  1 6 8
-8 2 5  6 4 1  3 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,2,null,null,null,null,null,null,4,null,null,6,8,null,null,5,1,null,null,3,null,2,null,null,null,8,null,null,null,null,5,4,null,3,null,null,null,null,7,0,null,null,null,0,null,null,null,null,null,null,3,null,null,null,1,0,null,null,5,null,null,null,null,2,null,8,4,null,null,1,null,null,null,null,null,null,null,null],"solution":[6,7,8,5,2,1,3,0,4,2,3,4,0,7,6,8,1,5,5,1,0,8,3,4,2,6,7,7,8,2,3,1,0,5,4,6,3,6,1,4,5,7,0,2,8,4,0,5,6,8,2,1,7,3,8,4,6,1,0,3,7,5,2,0,5,7,2,6,8,4,3,1,1,2,3,7,4,5,6,8,0]}
-PUZZLE:
-_ _ 9  _ 3 _  _ _ _
-_ _ 5  _ _ 7  9 _ _
-6 2 _  _ 4 _  3 _ _
-
-_ 9 _  _ _ _  6 5 _
-4 _ _  _ _ 8  1 _ _
-_ 1 _  _ _ _  _ _ 4
-
-_ _ _  2 1 _  _ 6 _
-_ _ _  3 _ 9  5 _ _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-7 8 9  6 3 2  4 1 5
-3 4 5  1 8 7  9 2 6
-6 2 1  9 4 5  3 7 8
-
-8 9 3  4 2 1  6 5 7
-4 7 2  5 6 8  1 3 9
-5 1 6  7 9 3  2 8 4
-
-9 5 7  2 1 4  8 6 3
-1 6 8  3 7 9  5 4 2
-2 3 4  8 5 6  7 9 1
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,5,null,null,null,null,3,null,null,null,null,0,null,null,2,null,3,8,null,null,4,null,6,null,null,null,null,null,null,null,null,4,null,8,null,null,8,0,1,null,null,null,null,null,null,6,null,null,null,2,null,0,null,null,2,null,7,8,null,6,null,4,null,null,null,null,null,null,5,null,null,null,1,2,null,null,null,null,null],"solution":[2,0,4,5,6,7,1,8,3,6,1,5,8,0,3,7,2,4,3,8,7,1,4,2,6,0,5,0,5,3,7,2,6,4,1,8,7,2,8,0,1,4,5,3,6,1,4,6,3,8,5,2,7,0,5,3,2,4,7,8,0,6,1,4,7,0,6,3,1,8,5,2,8,6,1,2,5,0,3,4,7]}
-PUZZLE:
-_ _ _  6 _ _  _ _ 4
-_ _ _  _ 1 _  _ 3 _
-4 9 _  _ 5 _  7 _ _
-
-_ _ _  _ _ _  5 _ 9
-_ _ 9  1 2 _  _ _ _
-_ _ 7  _ _ _  3 _ 1
-
-_ _ 3  _ 8 9  _ 7 _
-5 _ _  _ _ _  _ 6 _
-_ _ 2  3 _ _  _ _ _
-
-SOLUTION:
-3 1 5  6 7 8  2 9 4
-7 2 6  9 1 4  8 3 5
-4 9 8  2 5 3  7 1 6
-
-1 6 4  8 3 7  5 2 9
-8 3 9  1 2 5  6 4 7
-2 5 7  4 9 6  3 8 1
-
-6 4 3  5 8 9  1 7 2
-5 8 1  7 4 2  9 6 3
-9 7 2  3 6 1  4 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,0,null,5,null,null,4,null,null,null,null,null,4,null,null,2,7,null,3,null,0,null,null,null,null,null,4,8,null,null,3,null,null,7,null,null,6,7,null,null,null,8,null,null,null,null,2,6,null,null,null,null,4,null,4,null,null,null,null,null,null,null,null,null,null,null,2,0,7,5,8,null,null,null,3,null,null,null,null,null],"solution":[8,2,0,7,5,1,3,4,6,1,5,6,8,4,3,0,2,7,7,3,4,0,6,2,1,8,5,4,8,1,2,3,5,6,7,0,5,6,7,1,0,4,8,3,2,3,0,2,6,7,8,5,1,4,0,4,8,5,1,7,2,6,3,6,1,3,4,2,0,7,5,8,2,7,5,3,8,6,4,0,1]}
-PUZZLE:
-_ 3 1  _ 6 _  _ 5 _
-_ _ _  _ 5 _  _ 3 8
-_ 4 _  1 _ _  _ _ _
-
-5 9 _  _ 4 _  _ 8 _
-_ 7 8  _ _ _  9 _ _
-_ _ 3  7 _ _  _ _ 5
-
-_ 5 _  _ _ _  _ _ _
-_ _ _  _ 3 1  8 6 9
-_ _ _  4 _ _  _ _ _
-
-SOLUTION:
-9 3 1  8 6 2  4 5 7
-2 6 7  9 5 4  1 3 8
-8 4 5  1 7 3  2 9 6
-
-5 9 2  3 4 6  7 8 1
-6 7 8  2 1 5  9 4 3
-4 1 3  7 8 9  6 2 5
-
-1 5 9  6 2 8  3 7 4
-7 2 4  5 3 1  8 6 9
-3 8 6  4 9 7  5 1 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,6,null,7,null,null,null,null,null,null,null,1,null,3,null,6,null,null,null,null,5,0,null,2,2,8,null,null,5,4,null,null,null,null,6,null,null,null,2,null,null,1,null,5,null,null,null,null,null,8,null,null,null,null,3,null,null,6,null,null,null,null,null,null,null,null,null,null,null,7,null,1,2,null,null,null,null,null],"solution":[3,2,0,4,6,8,7,1,5,4,7,5,0,2,1,8,3,6,6,1,8,7,3,5,0,4,2,2,8,7,1,5,4,3,6,0,0,6,3,8,7,2,4,5,1,1,5,4,6,0,3,2,8,7,5,4,2,3,1,0,6,7,8,8,0,6,5,4,7,1,2,3,7,3,1,2,8,6,5,0,4]}
-PUZZLE:
-_ _ 1  _ 7 _  8 _ _
-_ _ _  _ _ 2  _ 4 _
-7 _ _  _ _ 6  1 _ 3
-
-3 9 _  _ 6 5  _ _ _
-_ 7 _  _ _ 3  _ _ 2
-_ 6 _  _ _ _  _ 9 _
-
-_ _ _  4 _ _  7 _ _
-_ _ _  _ _ _  _ _ _
-8 _ 2  3 _ _  _ _ _
-
-SOLUTION:
-4 3 1  5 7 9  8 2 6
-5 8 6  1 3 2  9 4 7
-7 2 9  8 4 6  1 5 3
-
-3 9 8  2 6 5  4 7 1
-1 7 4  9 8 3  5 6 2
-2 6 5  7 1 4  3 9 8
-
-6 5 3  4 2 1  7 8 9
-9 1 7  6 5 8  2 3 4
-8 4 2  3 9 7  6 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,1,null,7,null,4,null,0,null,8,0,null,null,5,6,8,null,3,null,null,3,null,null,null,null,7,null,null,5,null,null,null,1,7,4,null,null,null,8,null,1,null,null,null,null,3,null,null,3,null,7,null,null,2,null,null,1,null,null,null,5,null,null,null],"solution":[3,5,0,7,8,1,2,6,4,8,4,2,6,5,0,3,1,7,1,6,7,2,4,3,0,5,8,0,7,4,5,6,8,1,3,2,6,3,1,0,2,4,7,8,5,5,2,8,3,1,7,4,0,6,7,8,5,1,0,2,6,4,3,4,0,3,8,7,6,5,2,1,2,1,6,4,3,5,8,7,0]}
-PUZZLE:
-_ _ _  _ _ _  _ 7 _
-_ _ _  _ _ _  _ _ _
-2 _ 8  _ 5 _  1 _ 9
-
-1 _ _  6 7 9  _ 4 _
-_ 4 _  _ _ _  8 _ _
-6 _ _  _ 2 8  5 _ _
-
-_ 9 _  2 _ _  _ _ 4
-_ _ 4  _ 8 _  _ 3 _
-_ 2 _  _ _ 6  _ _ _
-
-SOLUTION:
-4 6 1  8 9 2  3 7 5
-9 5 3  7 6 1  4 2 8
-2 7 8  3 5 4  1 6 9
-
-1 8 5  6 7 9  2 4 3
-7 4 2  1 3 5  8 9 6
-6 3 9  4 2 8  5 1 7
-
-8 9 6  2 1 3  7 5 4
-5 1 4  9 8 7  6 3 2
-3 2 7  5 4 6  9 8 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,2,null,null,4,5,null,null,7,null,4,null,null,5,null,null,null,null,null,null,6,null,3,null,8,null,null,null,6,2,8,null,null,1,null,1,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,2,6,null,null,null,7,null,null,null,null,null,null,null,3,null,null,6,null,null,0,null,null,1,null,null,null,7,null,8],"solution":[3,6,2,8,0,4,5,7,1,7,8,4,1,2,5,6,0,3,5,1,0,6,7,3,4,8,2,4,5,6,2,8,0,3,1,7,1,2,8,3,6,7,0,4,5,0,3,7,5,4,1,8,2,6,2,0,5,7,3,8,1,6,4,8,7,3,4,1,6,2,5,0,6,4,1,0,5,2,7,3,8]}
-PUZZLE:
-_ _ 3  _ _ 5  6 _ _
-8 _ 5  _ _ 6  _ _ _
-_ _ _  7 _ 4  _ 9 _
-
-_ _ 7  3 9 _  _ 2 _
-2 _ _  _ _ _  _ _ _
-_ 4 _  _ _ _  _ 3 7
-
-_ _ _  8 _ _  _ _ _
-_ _ 4  _ _ 7  _ _ 1
-_ _ 2  _ _ _  8 _ 9
-
-SOLUTION:
-4 7 3  9 1 5  6 8 2
-8 9 5  2 3 6  7 1 4
-6 2 1  7 8 4  5 9 3
-
-5 6 7  3 9 1  4 2 8
-2 3 9  4 7 8  1 5 6
-1 4 8  6 5 2  9 3 7
-
-3 1 6  8 4 9  2 7 5
-9 8 4  5 2 7  3 6 1
-7 5 2  1 6 3  8 4 9
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,7,6,null,1,null,null,null,null,null,4,null,2,null,null,null,null,5,null,null,3,null,8,null,4,null,null,null,6,0,null,null,6,null,7,4,1,null,null,null,6,5,null,null,null,null,0,1,null,null,null,null,null,6,null,null,null,4,null,null,null,null,null,7,3,null,null,null,null,0,5,null,null,null],"solution":[5,0,4,1,8,2,3,6,7,6,3,1,7,5,0,8,2,4,8,2,7,3,6,4,5,0,1,3,7,8,0,4,1,2,5,6,0,5,2,6,3,7,4,1,8,4,1,6,5,2,8,7,3,0,1,8,0,2,7,3,6,4,5,2,4,5,8,1,6,0,7,3,7,6,3,4,0,5,1,8,2]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ 8
-7 _ 2  _ _ _  _ _ 5
-_ 3 _  _ _ _  6 _ _
-
-4 _ 9  _ 5 _  _ _ 7
-1 _ _  7 _ 8  5 2 _
-_ _ 7  6 _ _  _ _ 1
-
-2 _ _  _ _ _  7 _ _
-_ 5 _  _ _ _  _ 8 4
-_ _ _  _ 1 6  _ _ _
-
-SOLUTION:
-6 1 5  2 9 3  4 7 8
-7 4 2  8 6 1  9 3 5
-9 3 8  4 7 5  6 1 2
-
-4 8 9  1 5 2  3 6 7
-1 6 3  7 4 8  5 2 9
-5 2 7  6 3 9  8 4 1
-
-2 9 1  3 8 4  7 5 6
-3 5 6  9 2 7  1 8 4
-8 7 4  5 1 6  2 9 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,2,null,null,null,null,null,6,null,3,null,null,4,null,null,null,2,1,null,null,5,null,null,null,7,null,null,null,6,null,7,null,3,0,null,null,7,null,4,null,null,null,8,null,null,null,null,null,1,null,null,null,null,2,null,null,null,null,5,1,null,null,0,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,3],"solution":[5,0,2,1,8,7,4,3,6,7,3,8,6,4,0,5,1,2,1,6,4,5,3,2,0,7,8,4,1,6,2,7,8,3,0,5,3,7,0,4,5,6,2,8,1,8,2,5,0,1,3,7,6,4,2,8,7,3,6,5,1,4,0,0,4,3,8,2,1,6,5,7,6,5,1,7,0,4,8,2,3]}
-PUZZLE:
-_ _ 3  _ _ _  _ _ 7
-_ 4 _  _ 5 _  _ _ 3
-2 _ _  6 _ _  _ 8 _
-
-_ _ 7  _ 8 _  4 1 _
-_ 8 _  5 _ _  _ 9 _
-_ _ _  _ 2 _  _ _ _
-
-3 _ _  _ _ 6  2 _ _
-1 _ _  _ _ _  _ 6 _
-_ _ _  _ _ _  _ _ 4
-
-SOLUTION:
-6 1 3  2 9 8  5 4 7
-8 4 9  7 5 1  6 2 3
-2 7 5  6 4 3  1 8 9
-
-5 2 7  3 8 9  4 1 6
-4 8 1  5 6 7  3 9 2
-9 3 6  1 2 4  8 7 5
-
-3 9 8  4 7 6  2 5 1
-1 5 4  9 3 2  7 6 8
-7 6 2  8 1 5  9 3 4
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,6,0,null,null,null,null,null,4,null,3,null,null,null,null,null,5,null,null,null,null,6,null,4,null,null,2,3,null,null,null,null,7,null,null,null,null,null,null,5,null,null,null,6,null,null,null,7,null,3,null,2,1,null,2,null,null,null,null,1,null,4,null,null,8,null,7,null,2,null,null,null,null,5,null,null,null,null,null,null,null],"solution":[8,6,0,3,2,5,1,7,4,4,3,2,1,7,8,0,5,6,7,1,5,6,0,4,8,3,2,3,0,6,2,1,7,4,8,5,1,2,8,5,4,0,7,6,3,5,4,7,8,3,6,2,1,0,2,7,3,0,6,1,5,4,8,6,8,4,7,5,2,3,0,1,0,5,1,4,8,3,6,2,7]}
-PUZZLE:
-_ 7 1  _ _ _  _ _ 5
-_ 4 _  _ _ _  _ 6 _
-_ _ _  7 _ 5  _ _ 3
-
-4 _ _  _ _ 8  _ _ _
-_ _ _  6 _ _  _ 7 _
-_ _ 8  _ 4 _  3 2 _
-
-3 _ _  _ _ 2  _ 5 _
-_ 9 _  8 _ 3  _ _ _
-_ 6 _  _ _ _  _ _ _
-
-SOLUTION:
-9 7 1  4 3 6  2 8 5
-5 4 3  2 8 9  1 6 7
-8 2 6  7 1 5  9 4 3
-
-4 1 7  3 2 8  5 9 6
-2 3 9  6 5 1  8 7 4
-6 5 8  9 4 7  3 2 1
-
-3 8 4  1 7 2  6 5 9
-7 9 5  8 6 3  4 1 2
-1 6 2  5 9 4  7 3 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,2,null,5,null,null,6,null,null,null,null,null,1,4,3,null,null,null,null,7,null,null,8,null,null,0,null,null,3,1,8,null,5,null,null,null,6,null,null,null,null,null,null,null,3,null,8,5,null,null,null,0,null,null,null,null,4,null,null,null,null,null,4,null,null,null,3,null,2,null,null,6,null,null,null,null,null,4],"solution":[3,8,1,4,2,6,5,0,7,6,7,2,5,0,8,1,4,3,5,4,0,1,7,3,2,8,6,4,0,7,2,3,1,8,6,5,2,5,8,6,4,0,7,3,1,1,6,3,7,8,5,4,2,0,0,2,5,3,1,4,6,7,8,8,1,4,0,6,7,3,5,2,7,3,6,8,5,2,0,1,4]}
-PUZZLE:
-_ 9 _  _ 3 _  6 _ _
-7 _ _  _ _ _  2 5 4
-_ _ _  _ 8 _  _ 9 _
-
-_ 1 _  _ 4 2  9 _ 6
-_ _ _  7 _ _  _ _ _
-_ _ 4  _ 9 6  _ _ _
-
-1 _ _  _ _ 5  _ _ _
-_ _ 5  _ _ _  4 _ 3
-_ _ 7  _ _ _  _ _ 5
-
-SOLUTION:
-4 9 2  5 3 7  6 1 8
-7 8 3  6 1 9  2 5 4
-6 5 1  2 8 4  3 9 7
-
-5 1 8  3 4 2  9 7 6
-3 6 9  7 5 1  8 4 2
-2 7 4  8 9 6  5 3 1
-
-1 3 6  4 2 5  7 8 9
-9 2 5  1 7 8  4 6 3
-8 4 7  9 6 3  1 2 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,8,1,null,null,null,null,null,2,null,null,2,null,null,8,null,7,4,null,null,null,null,null,null,3,null,8,null,null,3,6,null,null,7,2,null,null,null,null,null,5,null,null,null,3,null,null,8,null,0,7,null,null,null,null,null,null,0,4,null,8,null,7,null,null,null,null,3,null,6,null,0,4,null,null,null,null,null,null,null,null],"solution":[6,8,1,4,7,3,5,0,2,3,0,2,5,6,8,1,7,4,5,4,7,1,2,0,3,6,8,0,5,3,6,8,4,7,2,1,7,6,4,2,5,1,0,8,3,1,2,8,3,0,7,4,5,6,2,3,6,0,4,5,8,1,7,8,1,5,7,3,2,6,4,0,4,7,0,8,1,6,2,3,5]}
-PUZZLE:
-_ 9 2  _ _ _  _ _ 3
-_ _ 3  _ _ 9  _ 8 5
-_ _ _  _ _ _  4 _ 9
-
-_ _ 4  7 _ _  8 3 _
-_ _ _  _ 6 _  _ _ 4
-_ _ 9  _ 1 8  _ _ _
-
-_ _ _  1 5 _  9 _ 8
-_ _ _  _ 4 _  7 _ 1
-5 _ _  _ _ _  _ _ _
-
-SOLUTION:
-7 9 2  5 8 4  6 1 3
-4 1 3  6 7 9  2 8 5
-6 5 8  2 3 1  4 7 9
-
-1 6 4  7 9 5  8 3 2
-8 7 5  3 6 2  1 9 4
-2 3 9  4 1 8  5 6 7
-
-3 4 7  1 5 6  9 2 8
-9 2 6  8 4 3  7 5 1
-5 8 1  9 2 7  3 4 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,1,null,8,2,null,2,5,null,3,4,null,null,null,null,6,null,null,null,null,null,null,0,null,0,null,6,null,null,null,null,null,1,null,null,null,null,8,null,4,null,0,4,null,null,null,null,null,null,null,null,5,null,null,4,null,null,null,null,6,null,3,4,2,null,1,null,null,null,null,null,null,null,5,null,1,null,null],"solution":[3,0,7,6,1,5,8,2,4,2,5,8,3,4,0,6,1,7,6,4,1,8,7,2,3,0,5,0,8,6,5,2,4,7,3,1,1,2,5,7,8,3,4,6,0,4,7,3,1,0,6,5,8,2,5,1,0,4,3,8,2,7,6,7,3,4,2,6,1,0,5,8,8,6,2,0,5,7,1,4,3]}
-PUZZLE:
-_ _ _  _ 2 _  9 3 _
-3 6 _  4 5 _  _ _ _
-7 _ _  _ _ _  _ 1 _
-
-1 _ 7  _ _ _  _ _ 2
-_ _ _  _ 9 _  5 _ 1
-5 _ _  _ _ _  _ _ _
-
-6 _ _  5 _ _  _ _ 7
-_ 4 5  3 _ 2  _ _ _
-_ _ _  _ 6 _  2 _ _
-
-SOLUTION:
-4 1 8  7 2 6  9 3 5
-3 6 9  4 5 1  7 2 8
-7 5 2  9 8 3  4 1 6
-
-1 9 7  6 3 5  8 4 2
-2 3 6  8 9 4  5 7 1
-5 8 4  2 1 7  6 9 3
-
-6 2 1  5 4 9  3 8 7
-8 4 5  3 7 2  1 6 9
-9 7 3  1 6 8  2 5 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,5,1,2,null,6,null,null,null,0,null,null,null,null,null,7,null,0,null,null,null,null,null,null,null,5,1,3,null,null,null,null,null,null,null,null,null,4,null,8,null,0,null,4,null,1,2,null,null,null,null,0,null,null,null,null,null,null,null,1,null,null,null,8,null,2,null,4,3,5,null,null,null,null,null],"solution":[3,0,8,2,6,4,7,5,1,2,7,6,1,3,5,0,8,4,4,1,5,7,8,0,2,6,3,6,2,4,8,5,1,3,7,0,1,3,7,6,0,2,5,4,8,8,5,0,3,4,7,1,2,6,7,8,2,0,1,6,4,3,5,5,6,1,4,7,3,8,0,2,0,4,3,5,2,8,6,1,7]}
-PUZZLE:
-_ _ _  _ _ _  _ 6 2
-3 _ 7  _ _ _  1 _ _
-_ _ _  8 _ 1  _ _ _
-
-_ _ _  _ 6 2  4 _ _
-_ _ _  _ _ _  _ 5 _
-9 _ 1  _ 5 _  2 3 _
-
-_ _ _  1 _ _  _ _ _
-_ _ 2  _ _ _  9 _ 3
-_ 5 4  6 _ _  _ _ _
-
-SOLUTION:
-4 1 9  3 7 5  8 6 2
-3 8 7  2 4 6  1 9 5
-5 2 6  8 9 1  3 7 4
-
-7 3 5  9 6 2  4 8 1
-2 4 8  7 1 3  6 5 9
-9 6 1  4 5 8  2 3 7
-
-8 9 3  1 2 7  5 4 6
-6 7 2  5 8 4  9 1 3
-1 5 4  6 3 9  7 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,4,null,null,1,null,null,null,2,null,3,null,1,null,null,null,null,null,1,5,null,0,null,3,null,5,null,null,null,null,null,2,null,null,null,null,null,null,8,null,null,1,null,7,null,null,null,null,null,6,0,null,null,null,null,null,null,7,8,null,null,8,null,0,null,3,null,null,null,null,4,5,null,null,null,null,null,null,null],"solution":[3,7,5,4,2,8,1,6,0,0,2,4,3,6,1,5,8,7,6,8,1,5,7,0,4,3,2,5,1,8,6,0,3,2,7,4,2,0,6,7,8,4,3,1,5,7,4,3,1,5,2,6,0,8,1,3,2,0,4,7,8,5,6,8,6,0,2,3,5,7,4,1,4,5,7,8,1,6,0,2,3]}
-PUZZLE:
-_ _ _  5 _ _  2 _ _
-_ 3 _  4 _ 2  _ _ _
-_ _ 2  6 _ 1  _ 4 _
-
-6 _ _  _ _ _  3 _ _
-_ _ _  _ 9 _  _ 2 _
-8 _ _  _ _ _  7 1 _
-
-_ _ _  _ _ 8  9 _ _
-9 _ 1  _ 4 _  _ _ _
-5 6 _  _ _ _  _ _ _
-
-SOLUTION:
-4 8 6  5 3 9  2 7 1
-1 3 5  4 7 2  6 9 8
-7 9 2  6 8 1  5 4 3
-
-6 2 9  7 1 4  3 8 5
-3 1 7  8 9 5  4 2 6
-8 5 4  2 6 3  7 1 9
-
-2 4 3  1 5 8  9 6 7
-9 7 1  3 4 6  8 5 2
-5 6 8  9 2 7  1 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,8,null,null,null,null,2,3,0,2,null,null,null,null,4,null,null,7,null,null,null,null,null,null,null,null,null,null,null,7,4,null,null,8,null,null,4,null,5,null,null,3,6,null,null,null,null,null,null,null,null,null,null,null,7,2,null,null,null,6,null,1,null,null,null,null,5,null,null,null,null,8,3,null,null,6,null,0,4],"solution":[5,4,1,8,0,3,6,7,2,3,0,2,1,6,7,8,4,5,6,7,8,5,4,2,0,1,3,0,3,5,6,7,4,1,2,8,8,2,4,0,5,1,7,3,6,7,1,6,3,2,8,4,5,0,4,5,7,2,8,0,3,6,1,1,6,0,4,3,5,2,8,7,2,8,3,7,1,6,5,0,4]}
-PUZZLE:
-_ 5 _  9 _ _  _ _ 3
-4 1 3  _ _ _  _ 5 _
-_ 8 _  _ _ _  _ _ _
-
-_ _ _  _ 8 5  _ _ 9
-_ _ 5  _ 6 _  _ 4 7
-_ _ _  _ _ _  _ _ _
-
-_ _ 8  3 _ _  _ 7 _
-2 _ _  _ _ 6  _ _ _
-_ 9 4  _ _ 7  _ 1 5
-
-SOLUTION:
-6 5 2  9 1 4  7 8 3
-4 1 3  2 7 8  9 5 6
-7 8 9  6 5 3  1 2 4
-
-1 4 6  7 8 5  2 3 9
-9 3 5  1 6 2  8 4 7
-8 2 7  4 3 9  5 6 1
-
-5 6 8  3 9 1  4 7 2
-2 7 1  5 4 6  3 9 8
-3 9 4  8 2 7  6 1 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,2,null,3,null,null,null,3,null,6,0,null,null,5,null,null,null,null,null,7,null,null,null,null,0,null,0,3,null,null,null,1,6,null,null,null,8,null,null,null,null,null,null,null,null,7,null,null,6,null,null,null,null,null,null,1,null,null,null,5,null,null,null,null,6,5,4,null,2,null,2,1,null,null,null,null,null,null,8],"solution":[0,5,1,2,8,3,4,7,6,3,7,6,0,4,1,5,8,2,4,8,2,7,6,5,3,1,0,5,0,3,8,7,2,1,6,4,6,4,8,5,1,0,2,3,7,1,2,7,4,3,6,8,0,5,7,6,4,1,2,8,0,5,3,8,3,0,6,5,4,7,2,1,2,1,5,3,0,7,6,4,8]}
-PUZZLE:
-_ _ _  3 _ 4  _ _ _
-4 _ 7  1 _ _  6 _ _
-_ _ _  8 _ _  _ _ 1
-
-_ 1 4  _ _ _  2 7 _
-_ _ 9  _ _ _  _ _ _
-_ _ 8  _ _ 7  _ _ _
-
-_ _ _  2 _ _  _ 6 _
-_ _ _  7 6 5  _ 3 _
-3 2 _  _ _ _  _ _ 9
-
-SOLUTION:
-1 6 2  3 9 4  5 8 7
-4 8 7  1 5 2  6 9 3
-5 9 3  8 7 6  4 2 1
-
-6 1 4  9 8 3  2 7 5
-7 5 9  6 2 1  3 4 8
-2 3 8  5 4 7  9 1 6
-
-8 7 5  2 3 9  1 6 4
-9 4 1  7 6 5  8 3 2
-3 2 6  4 1 8  7 5 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,7,null,3,null,null,1,null,1,null,null,null,null,4,3,null,8,4,null,null,null,null,null,null,6,null,null,5,null,null,2,0,null,null,6,6,null,null,null,null,8,null,null,0,null,null,null,5,null,null,null,7,null,null,null,null,null,8,7,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,8,null,4],"solution":[8,6,7,0,3,5,4,1,2,1,0,2,7,6,4,3,5,8,4,3,5,8,1,2,0,6,7,7,5,4,3,2,0,1,8,6,6,2,3,1,7,8,5,4,0,0,1,8,5,4,6,2,7,3,5,4,0,2,8,7,6,3,1,3,8,6,4,0,1,7,2,5,2,7,1,6,5,3,8,0,4]}
-PUZZLE:
-_ 7 8  _ 4 _  _ 2 _
-2 _ _  _ _ 5  4 _ 9
-5 _ _  _ _ _  _ 7 _
-
-_ 6 _  _ 3 1  _ _ 7
-7 _ _  _ _ 9  _ _ 1
-_ _ _  6 _ _  _ 8 _
-
-_ _ _  _ 9 8  _ _ _
-_ _ _  _ _ _  _ _ 6
-_ _ _  _ _ _  9 _ 5
-
-SOLUTION:
-9 7 8  1 4 6  5 2 3
-2 1 3  8 7 5  4 6 9
-5 4 6  9 2 3  1 7 8
-
-8 6 5  4 3 1  2 9 7
-7 3 4  2 8 9  6 5 1
-1 2 9  6 5 7  3 8 4
-
-6 5 1  3 9 8  7 4 2
-4 9 7  5 1 2  8 3 6
-3 8 2  7 6 4  9 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,null,0,null,null,null,7,null,null,6,null,null,3,null,null,null,null,null,null,2,null,null,null,3,null,4,null,null,6,3,4,6,null,null,null,null,0,null,null,null,null,null,0,null,null,null,7,5,null,7,0,null,2,null,null,null,null,1,null,7,5,null,null,null,8,null,0,null,8,null,null,null,5,null],"solution":[7,6,1,2,3,5,8,4,0,0,2,4,1,7,8,3,6,5,8,3,5,4,6,0,1,7,2,1,7,0,3,2,4,5,8,6,3,4,6,5,8,7,2,0,1,2,5,8,6,0,1,4,3,7,5,8,7,0,4,2,6,1,3,4,1,3,7,5,6,0,2,8,6,0,2,8,1,3,7,5,4]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ _
-1 _ _  _ 8 _  _ 7 _
-_ 4 _  _ _ _  _ _ 3
-
-_ _ _  4 _ 5  _ _ 7
-4 5 7  _ _ _  _ 1 _
-_ _ _  _ 1 _  _ _ 8
-
-6 _ 8  1 _ 3  _ _ _
-_ 2 _  8 6 _  _ _ 9
-_ 1 _  9 _ _  _ 6 _
-
-SOLUTION:
-8 7 2  3 4 6  9 5 1
-1 3 5  2 8 9  4 7 6
-9 4 6  5 7 1  2 8 3
-
-2 8 1  4 3 5  6 9 7
-4 5 7  6 9 8  3 1 2
-3 6 9  7 1 2  5 4 8
-
-6 9 8  1 5 3  7 2 4
-5 2 4  8 6 7  1 3 9
-7 1 3  9 2 4  8 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,1,null,null,null,null,null,null,4,0,null,null,5,0,null,null,null,6,4,2,null,8,null,null,null,1,null,null,null,0,null,3,null,null,null,null,null,null,null,null,1,0,4,null,3,5,null,null,6,null,null,8,null,null,null,null,null,null,null,5,null,null,null,null,null,null,7,null,null,null,0,null,null,null,2],"solution":[3,6,4,5,2,0,7,1,8,1,7,2,3,8,4,0,5,6,5,0,8,1,7,6,4,2,3,8,5,6,7,1,2,3,4,0,4,3,7,0,5,8,2,6,1,2,1,0,4,6,3,5,8,7,6,2,3,8,4,7,1,0,5,0,8,5,2,3,1,6,7,4,7,4,1,6,0,5,8,3,2]}
-PUZZLE:
-_ 7 _  _ _ _  _ 2 _
-_ _ _  _ _ 5  1 _ _
-6 1 _  _ _ 7  5 3 _
-
-9 _ _  _ 2 _  _ _ 1
-_ 4 _  _ _ _  _ _ _
-_ 2 1  5 _ 4  6 _ _
-
-7 _ _  9 _ _  _ _ _
-_ _ 6  _ _ _  _ _ _
-8 _ _  _ 1 _  _ _ 3
-
-SOLUTION:
-4 7 5  6 3 1  8 2 9
-2 8 3  4 9 5  1 6 7
-6 1 9  2 8 7  5 3 4
-
-9 6 7  8 2 3  4 5 1
-5 4 8  1 6 9  3 7 2
-3 2 1  5 7 4  6 9 8
-
-7 3 4  9 5 8  2 1 6
-1 9 6  3 4 2  7 8 5
-8 5 2  7 1 6  9 4 3
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,8,3,null,null,2,8,null,4,null,0,4,0,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,7,5,null,0,2,null,null,null,null,null,null,4,2,null,null,1,6,1,null,null,null,null,null,null,3,null,null,null,7,null,5,0,1,null,null,null,null,null,null,null,null,null,null],"solution":[2,5,1,4,0,7,6,3,8,3,7,6,2,8,1,4,5,0,4,0,8,6,5,3,1,2,7,5,8,2,1,7,6,3,0,4,1,4,7,5,3,0,2,8,6,0,6,3,8,4,2,5,7,1,6,1,5,0,2,8,7,4,3,8,3,4,7,6,5,0,1,2,7,2,0,3,1,4,8,6,5]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ 9
-4 _ _  3 9 _  5 _ 1
-5 1 _  _ _ _  _ _ _
-
-6 _ _  _ _ _  _ _ _
-_ _ 8  6 _ 1  3 _ _
-_ _ _  _ 5 3  _ _ 2
-
-7 2 _  _ _ _  _ _ 4
-_ _ _  8 _ 6  1 2 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-3 6 2  5 1 8  7 4 9
-4 8 7  3 9 2  5 6 1
-5 1 9  7 6 4  2 3 8
-
-6 9 3  2 8 7  4 1 5
-2 5 8  6 4 1  3 9 7
-1 7 4  9 5 3  6 8 2
-
-7 2 6  1 3 9  8 5 4
-9 4 5  8 7 6  1 2 3
-8 3 1  4 2 5  9 7 6
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,2,0,null,null,null,6,8,null,6,null,null,null,null,null,3,0,null,null,null,null,5,null,null,null,null,1,null,null,null,3,6,null,null,null,null,null,1,null,null,null,null,8,5,null,null,0,null,null,1,8,null,null,null,null,null,null,null,null,null,null,6,null,8,null,null,null,4,null,null,null,null,5,null,null,2,null,null,null,null,0],"solution":[1,2,0,7,3,4,6,8,5,6,5,4,8,2,1,3,0,7,7,3,8,5,0,6,4,2,1,2,8,7,3,6,5,0,1,4,4,1,6,0,7,2,8,5,3,3,0,5,4,1,8,2,7,6,0,4,2,1,5,3,7,6,8,8,7,1,6,4,0,5,3,2,5,6,3,2,8,7,1,4,0]}
-PUZZLE:
-_ 3 1  _ _ _  7 9 _
-7 _ _  _ _ _  4 1 _
-_ _ _  6 _ _  _ _ 2
-
-_ _ _  4 7 _  _ _ _
-_ 2 _  _ _ _  9 6 _
-_ 1 _  _ 2 9  _ _ _
-
-_ _ _  _ _ _  _ 7 _
-9 _ _  _ 5 _  _ _ _
-6 _ _  3 _ _  _ _ 1
-
-SOLUTION:
-2 3 1  8 4 5  7 9 6
-7 6 5  9 3 2  4 1 8
-8 4 9  6 1 7  5 3 2
-
-3 9 8  4 7 6  1 2 5
-5 2 7  1 8 3  9 6 4
-4 1 6  5 2 9  3 8 7
-
-1 5 3  2 6 4  8 7 9
-9 8 2  7 5 1  6 4 3
-6 7 4  3 9 8  2 5 1
-
-RATING: 1
-DATA:
-{"puzzle":[5,3,null,null,null,null,7,null,null,null,null,2,null,7,null,null,null,4,null,null,null,6,null,null,null,5,null,null,null,null,4,3,null,6,1,7,2,null,null,null,null,null,null,null,null,null,null,null,null,null,8,3,null,null,null,null,4,null,null,null,null,null,null,null,1,null,null,null,null,null,0,2,null,8,6,2,null,null,null,4,null],"solution":[5,3,8,0,2,4,7,6,1,1,6,2,8,7,5,0,3,4,4,0,7,6,1,3,2,5,8,8,5,0,4,3,2,6,1,7,2,7,3,5,6,1,4,8,0,6,4,1,7,0,8,3,2,5,3,2,4,1,8,0,5,7,6,7,1,5,3,4,6,8,0,2,0,8,6,2,5,7,1,4,3]}
-PUZZLE:
-6 4 _  _ _ _  8 _ _
-_ _ 3  _ 8 _  _ _ 5
-_ _ _  7 _ _  _ 6 _
-
-_ _ _  5 4 _  7 2 8
-3 _ _  _ _ _  _ _ _
-_ _ _  _ _ 9  4 _ _
-
-_ _ 5  _ _ _  _ _ _
-_ 2 _  _ _ _  _ 1 3
-_ 9 7  3 _ _  _ 5 _
-
-SOLUTION:
-6 4 9  1 3 5  8 7 2
-2 7 3  9 8 6  1 4 5
-5 1 8  7 2 4  3 6 9
-
-9 6 1  5 4 3  7 2 8
-3 8 4  6 7 2  5 9 1
-7 5 2  8 1 9  4 3 6
-
-4 3 5  2 9 1  6 8 7
-8 2 6  4 5 7  9 1 3
-1 9 7  3 6 8  2 5 4
-
-RATING: 0
-DATA:
-{"puzzle":[3,1,null,6,null,null,null,null,null,null,null,7,4,null,null,null,null,8,null,null,2,5,null,null,6,7,null,null,null,null,null,0,8,null,3,null,8,3,null,null,null,5,null,null,null,0,null,1,null,null,null,null,null,null,2,null,null,null,null,3,0,null,1,null,null,null,null,null,1,7,6,null,null,null,null,null,4,null,null,null,null],"solution":[3,1,0,6,8,7,5,4,2,6,5,7,4,3,2,1,0,8,4,8,2,5,1,0,6,7,3,7,4,5,1,0,8,2,3,6,8,3,6,2,7,5,4,1,0,0,2,1,3,6,4,8,5,7,2,6,4,7,5,3,0,8,1,5,0,3,8,2,1,7,6,4,1,7,8,0,4,6,3,2,5]}
-PUZZLE:
-4 2 _  7 _ _  _ _ _
-_ _ 8  5 _ _  _ _ 9
-_ _ 3  6 _ _  7 8 _
-
-_ _ _  _ 1 9  _ 4 _
-9 4 _  _ _ 6  _ _ _
-1 _ 2  _ _ _  _ _ _
-
-3 _ _  _ _ 4  1 _ 2
-_ _ _  _ _ 2  8 7 _
-_ _ _  _ 5 _  _ _ _
-
-SOLUTION:
-4 2 1  7 9 8  6 5 3
-7 6 8  5 4 3  2 1 9
-5 9 3  6 2 1  7 8 4
-
-8 5 6  2 1 9  3 4 7
-9 4 7  3 8 6  5 2 1
-1 3 2  4 7 5  9 6 8
-
-3 7 5  8 6 4  1 9 2
-6 1 4  9 3 2  8 7 5
-2 8 9  1 5 7  4 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,7,3,null,null,5,3,null,null,null,null,null,null,null,null,null,null,null,null,6,null,4,0,null,null,null,2,0,3,null,null,null,null,null,null,null,null,null,null,null,2,8,null,4,null,null,null,null,null,null,null,0,null,null,null,4,7,3,null,1,6,null,null,null,null,null,null,null,null,null,null,4,null,5,2,null,7,null],"solution":[4,8,0,1,7,3,2,6,5,3,5,6,4,2,0,1,8,7,2,1,7,5,6,8,4,0,3,8,6,2,0,3,5,7,1,4,5,0,3,7,1,4,6,2,8,7,4,1,2,8,6,5,3,0,0,2,8,6,4,7,3,5,1,6,7,5,3,0,1,8,4,2,1,3,4,8,5,2,0,7,6]}
-PUZZLE:
-_ 9 _  _ 8 4  _ _ 6
-4 _ _  _ _ _  _ _ _
-_ _ _  _ 7 _  5 1 _
-
-_ _ 3  1 4 _  _ _ _
-_ _ _  _ _ _  _ 3 9
-_ 5 _  _ _ _  _ _ _
-
-1 _ _  _ 5 8  4 _ 2
-7 _ _  _ _ _  _ _ _
-_ _ 5  _ 6 3  _ 8 _
-
-SOLUTION:
-5 9 1  2 8 4  3 7 6
-4 6 7  5 3 1  2 9 8
-3 2 8  6 7 9  5 1 4
-
-9 7 3  1 4 6  8 2 5
-6 1 4  8 2 5  7 3 9
-8 5 2  3 9 7  6 4 1
-
-1 3 9  7 5 8  4 6 2
-7 8 6  4 1 2  9 5 3
-2 4 5  9 6 3  1 8 7
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,null,5,null,null,null,null,null,0,null,6,null,null,null,8,null,null,null,null,null,null,2,null,null,1,null,null,3,null,null,null,null,0,null,5,null,1,7,null,null,null,null,2,2,null,null,null,null,null,4,null,null,null,4,8,5,null,null,2,null,null,null,null,null,null,null,4,null,3,null,1,5,null,null,null,null,null,null,null],"solution":[6,1,4,8,5,7,0,2,3,7,0,2,6,3,1,5,8,4,8,3,5,4,0,2,6,7,1,4,7,3,2,6,5,1,0,8,5,8,1,7,4,0,3,6,2,2,6,0,3,1,8,4,5,7,3,4,8,5,7,6,2,1,0,0,2,6,1,8,4,7,3,5,1,5,7,0,2,3,8,4,6]}
-PUZZLE:
-_ _ _  _ 6 _  _ _ _
-_ 1 _  7 _ _  _ 9 _
-_ _ _  _ _ 3  _ _ 2
-
-_ _ 4  _ _ _  _ 1 _
-6 _ 2  8 _ _  _ _ 3
-3 _ _  _ _ _  5 _ _
-
-_ 5 9  6 _ _  3 _ _
-_ _ _  _ _ 5  _ 4 _
-2 6 _  _ _ _  _ _ _
-
-SOLUTION:
-7 2 5  9 6 8  1 3 4
-8 1 3  7 4 2  6 9 5
-9 4 6  5 1 3  7 8 2
-
-5 8 4  3 7 6  2 1 9
-6 9 2  8 5 1  4 7 3
-3 7 1  4 2 9  5 6 8
-
-4 5 9  6 8 7  3 2 1
-1 3 7  2 9 5  8 4 6
-2 6 8  1 3 4  9 5 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,null,null,null,null,null,3,null,null,2,4,null,null,null,null,6,0,null,null,null,7,null,3,2,4,null,null,null,5,null,5,null,6,null,null,null,null,null,null,null,null,null,7,null,8,null,null,null,6,null,null,8,5,null,7,null,null,8,null,3,null,null,null,null,null,5,null,null,null,null,4,null,null,1],"solution":[4,7,1,8,5,2,3,0,6,6,0,8,1,3,7,5,2,4,3,2,5,4,6,0,7,1,8,7,1,3,2,4,8,0,6,5,8,5,2,6,0,3,1,4,7,0,4,6,5,7,1,8,3,2,1,6,4,0,8,5,2,7,3,2,8,7,3,1,6,4,5,0,5,3,0,7,2,4,6,8,1]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ _
-_ _ _  _ 4 _  _ 3 5
-_ _ _  _ 7 1  _ _ _
-
-8 _ 4  3 5 _  _ _ 6
-_ 6 _  7 _ _  _ _ _
-_ _ _  _ 8 _  9 _ _
-
-_ 7 _  _ 9 6  _ 8 _
-_ 9 _  4 _ _  _ _ _
-6 _ _  _ _ 5  _ _ 2
-
-SOLUTION:
-5 8 2  9 6 3  4 1 7
-7 1 9  2 4 8  6 3 5
-4 3 6  5 7 1  8 2 9
-
-8 2 4  3 5 9  1 7 6
-9 6 3  7 1 4  2 5 8
-1 5 7  6 8 2  9 4 3
-
-2 7 5  1 9 6  3 8 4
-3 9 8  4 2 7  5 6 1
-6 4 1  8 3 5  7 9 2
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,5,null,4,null,3,1,null,4,null,8,null,6,null,2,5,null,null,null,null,null,null,null,null,null,3,null,6,null,null,null,null,null,null,2,5,8,null,null,null,null,null,null,null,null,null,null,null,null,6,1,null,null,null,null,null,4,null,5,null,null,null,null,null,1,8,2,null,0,null,6,null,null,0,null,null,null,null,4],"solution":[7,6,0,5,2,4,8,3,1,1,4,3,8,0,6,7,2,5,8,2,5,7,1,3,4,6,0,3,1,6,4,7,0,2,5,8,2,5,8,3,6,1,0,4,7,4,0,7,2,5,8,6,1,3,0,3,1,6,4,7,5,8,2,5,7,4,1,8,2,3,0,6,6,8,2,0,3,5,1,7,4]}
-PUZZLE:
-_ _ _  6 _ 5  _ 4 2
-_ 5 _  9 _ 7  _ 3 6
-_ _ _  _ _ _  _ _ _
-
-4 _ 7  _ _ _  _ _ _
-3 6 9  _ _ _  _ _ _
-_ _ _  _ _ _  7 2 _
-
-_ _ _  _ 5 _  6 _ _
-_ _ _  2 9 3  _ 1 _
-7 _ _  1 _ _  _ _ 5
-
-SOLUTION:
-8 7 1  6 3 5  9 4 2
-2 5 4  9 1 7  8 3 6
-9 3 6  8 2 4  5 7 1
-
-4 2 7  5 8 1  3 6 9
-3 6 9  4 7 2  1 5 8
-5 1 8  3 6 9  7 2 4
-
-1 4 2  7 5 8  6 9 3
-6 8 5  2 9 3  4 1 7
-7 9 3  1 4 6  2 8 5
-
-RATING: 2.75
-DATA:
-{"puzzle":[2,null,null,5,null,4,null,null,0,null,6,0,null,3,null,null,null,null,1,3,null,7,null,null,null,null,null,null,4,null,1,5,null,null,8,null,null,null,null,null,null,null,null,null,7,null,1,null,2,null,null,null,null,null,null,null,6,null,null,null,2,5,null,8,null,null,3,null,0,7,null,4,null,null,null,null,null,null,null,null,null],"solution":[2,7,8,5,6,4,3,1,0,4,6,0,8,3,1,5,7,2,1,3,5,7,0,2,8,4,6,0,4,2,1,5,7,6,8,3,5,8,3,0,4,6,1,2,7,6,1,7,2,8,3,4,0,5,3,0,6,4,7,8,2,5,1,8,5,1,3,2,0,7,6,4,7,2,4,6,1,5,0,3,8]}
-PUZZLE:
-3 _ _  6 _ 5  _ _ 1
-_ 7 1  _ 4 _  _ _ _
-2 4 _  8 _ _  _ _ _
-
-_ 5 _  2 6 _  _ 9 _
-_ _ _  _ _ _  _ _ 8
-_ 2 _  3 _ _  _ _ _
-
-_ _ 7  _ _ _  3 6 _
-9 _ _  4 _ 1  8 _ 5
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-3 8 9  6 7 5  4 2 1
-5 7 1  9 4 2  6 8 3
-2 4 6  8 1 3  9 5 7
-
-1 5 3  2 6 8  7 9 4
-6 9 4  1 5 7  2 3 8
-7 2 8  3 9 4  5 1 6
-
-4 1 7  5 8 9  3 6 2
-9 6 2  4 3 1  8 7 5
-8 3 5  7 2 6  1 4 9
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,0,8,4,5,null,null,null,3,7,null,null,null,null,6,null,7,null,8,null,null,null,null,8,null,2,null,null,3,null,7,null,null,null,null,null,1,null,null,null,null,null,4,null,null,null,null,null,3,null,2,null,null,null,null,null,6,null,1,3,5,null,0,null,null,null,null,null,null,null,0,null,null,8],"solution":[7,6,3,4,8,5,1,2,0,8,4,5,0,2,1,3,7,6,2,1,0,6,3,7,4,8,5,5,0,4,8,1,2,7,6,3,3,7,2,5,0,6,8,1,4,1,8,6,7,4,3,5,0,2,0,3,8,2,7,4,6,5,1,6,2,1,3,5,8,0,4,7,4,5,7,1,6,0,2,3,8]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 1
-9 5 6  _ _ _  4 8 _
-_ _ _  7 _ 8  _ 9 _
-
-_ _ _  9 _ 3  _ _ 4
-_ 8 _  _ _ _  _ 2 _
-_ _ _  _ 5 _  _ _ _
-
-_ 4 _  3 _ _  _ _ _
-7 _ 2  4 6 _  1 _ _
-_ _ _  _ _ 1  _ _ 9
-
-SOLUTION:
-8 7 4  5 9 6  2 3 1
-9 5 6  1 3 2  4 8 7
-3 2 1  7 4 8  5 9 6
-
-6 1 5  9 2 3  8 7 4
-4 8 3  6 1 7  9 2 5
-2 9 7  8 5 4  6 1 3
-
-1 4 9  3 8 5  7 6 2
-7 3 2  4 6 9  1 5 8
-5 6 8  2 7 1  3 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,4,null,null,null,null,7,null,null,null,6,null,null,null,null,null,1,null,null,null,null,null,8,null,null,4,8,null,7,null,null,3,null,0,null,2,null,null,null,null,null,null,null,8,5,null,null,null,1,null,null,null,null,null,7,null,3,null,null,6,null,null,null,null,null,null,2,null,7,2,null,0,null,null,null,4,null],"solution":[3,5,6,1,8,4,0,7,2,8,7,2,3,0,6,4,5,1,0,4,1,7,2,5,6,3,8,5,6,4,8,1,7,2,0,3,1,0,7,2,4,3,8,6,5,2,3,8,5,6,0,7,1,4,4,1,5,6,7,2,3,8,0,6,8,0,4,3,1,5,2,7,7,2,3,0,5,8,1,4,6]}
-PUZZLE:
-4 _ _  _ _ 5  _ _ _
-_ 8 _  _ _ 7  _ _ _
-_ _ 2  _ _ _  _ _ 9
-
-_ _ 5  9 _ 8  _ _ 4
-_ 1 _  3 _ _  _ _ _
-_ _ 9  6 _ _  _ 2 _
-
-_ _ _  _ 8 _  4 _ _
-7 _ _  _ _ _  _ 3 _
-8 3 _  1 _ _  _ 5 _
-
-SOLUTION:
-4 6 7  2 9 5  1 8 3
-9 8 3  4 1 7  5 6 2
-1 5 2  8 3 6  7 4 9
-
-6 7 5  9 2 8  3 1 4
-2 1 8  3 5 4  9 7 6
-3 4 9  6 7 1  8 2 5
-
-5 2 6  7 8 3  4 9 1
-7 9 1  5 4 2  6 3 8
-8 3 4  1 6 9  2 5 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,null,null,8,null,6,null,7,null,null,null,null,null,3,0,null,null,null,null,2,null,null,null,null,null,null,5,null,3,null,null,null,null,6,null,null,null,8,null,null,null,null,null,null,7,null,null,4,null,null,1,null,6,null,3,1,null,2,8,null,2,null,null,null,null,null,null,5,null,3,null,null,null,null,8,null,null,null],"solution":[4,1,3,5,0,7,8,2,6,5,7,2,8,6,1,4,3,0,0,8,6,4,2,3,7,1,5,1,0,5,7,3,2,6,4,8,6,3,4,1,8,0,5,7,2,8,2,7,6,5,4,3,0,1,7,6,0,3,1,5,2,8,4,2,4,8,0,7,6,1,5,3,3,5,1,2,4,8,0,6,7]}
-PUZZLE:
-_ 2 _  _ _ _  9 _ 7
-_ 8 _  _ _ _  _ 4 1
-_ _ _  _ 3 _  _ _ _
-
-_ _ 6  _ 4 _  _ _ _
-7 _ _  _ 9 _  _ _ _
-_ _ 8  _ _ 5  _ _ 2
-
-_ 7 _  4 2 _  3 9 _
-3 _ _  _ _ _  _ 6 _
-4 _ _  _ _ 9  _ _ _
-
-SOLUTION:
-5 2 4  6 1 8  9 3 7
-6 8 3  9 7 2  5 4 1
-1 9 7  5 3 4  8 2 6
-
-2 1 6  8 4 3  7 5 9
-7 4 5  2 9 1  6 8 3
-9 3 8  7 6 5  4 1 2
-
-8 7 1  4 2 6  3 9 5
-3 5 9  1 8 7  2 6 4
-4 6 2  3 5 9  1 7 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,5,8,null,null,null,null,null,null,1,2,null,6,null,null,5,null,6,null,null,null,0,8,null,null,6,null,null,null,null,null,null,7,null,null,null,4,null,2,null,3,null,null,null,null,null,7,null,3,null,null,1,1,4,null,null,null,null,null,0,null,null,5,null,0,null,1,null,6,null,null,null,null,null,null,null,null,null,7],"solution":[4,3,2,5,8,7,6,1,0,8,0,1,2,4,6,7,3,5,5,6,7,3,1,0,8,2,4,6,1,3,4,0,5,2,7,8,0,7,4,1,2,8,3,5,6,2,8,5,7,6,3,0,4,1,1,4,6,8,7,2,5,0,3,7,5,8,0,3,1,4,6,2,3,2,0,6,5,4,1,8,7]}
-PUZZLE:
-_ _ _  6 9 _  _ _ _
-_ _ 2  3 _ 7  _ _ 6
-_ 7 _  _ _ 1  9 _ _
-
-7 _ _  _ _ _  _ 8 _
-_ _ 5  _ 3 _  4 _ _
-_ _ _  8 _ 4  _ _ 2
-
-2 5 _  _ _ _  _ 1 _
-_ 6 _  1 _ 2  _ 7 _
-_ _ _  _ _ _  _ _ 8
-
-SOLUTION:
-5 4 3  6 9 8  7 2 1
-9 1 2  3 5 7  8 4 6
-6 7 8  4 2 1  9 3 5
-
-7 2 4  5 1 6  3 8 9
-1 8 5  2 3 9  4 6 7
-3 9 6  8 7 4  1 5 2
-
-2 5 7  9 8 3  6 1 4
-8 6 9  1 4 2  5 7 3
-4 3 1  7 6 5  2 9 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[2,null,null,3,null,null,null,null,null,null,null,null,null,null,6,7,1,null,null,null,null,null,null,4,5,null,8,0,null,3,null,null,null,null,null,4,null,8,null,null,null,null,6,null,null,null,null,null,2,0,null,null,null,null,7,null,null,null,null,null,1,8,2,null,null,null,5,6,null,null,null,0,3,null,null,null,null,null,null,null,null],"solution":[2,1,8,3,5,7,0,4,6,4,0,5,8,2,6,7,1,3,6,3,7,0,1,4,5,2,8,0,7,3,6,8,1,2,5,4,5,8,2,7,4,3,6,0,1,1,6,4,2,0,5,8,3,7,7,5,6,4,3,0,1,8,2,8,4,1,5,6,2,3,7,0,3,2,0,1,7,8,4,6,5]}
-PUZZLE:
-3 _ _  4 _ _  _ _ _
-_ _ _  _ _ 7  8 2 _
-_ _ _  _ _ 5  6 _ 9
-
-1 _ 4  _ _ _  _ _ 5
-_ 9 _  _ _ _  7 _ _
-_ _ _  3 1 _  _ _ _
-
-8 _ _  _ _ _  2 9 3
-_ _ _  6 7 _  _ _ 1
-4 _ _  _ _ _  _ _ _
-
-SOLUTION:
-3 2 9  4 6 8  1 5 7
-5 1 6  9 3 7  8 2 4
-7 4 8  1 2 5  6 3 9
-
-1 8 4  7 9 2  3 6 5
-6 9 3  8 5 4  7 1 2
-2 7 5  3 1 6  9 4 8
-
-8 6 7  5 4 1  2 9 3
-9 5 2  6 7 3  4 8 1
-4 3 1  2 8 9  5 7 6
-
-RATING: 3
-DATA:
-{"puzzle":[6,null,5,null,7,null,0,null,2,null,null,null,null,0,5,null,1,null,null,null,null,null,null,null,null,3,null,null,null,null,0,null,null,null,null,null,null,1,0,null,null,null,null,7,8,null,null,null,1,null,null,null,null,5,3,8,null,null,null,null,null,null,null,null,4,null,5,null,null,null,null,0,5,null,null,null,3,null,null,null,null],"solution":[6,3,5,4,7,1,0,8,2,8,2,4,3,0,5,7,1,6,0,7,1,8,2,6,5,3,4,2,5,8,0,6,7,1,4,3,4,1,0,2,5,3,6,7,8,7,6,3,1,4,8,2,0,5,3,8,2,6,1,0,4,5,7,1,4,7,5,8,2,3,6,0,5,0,6,7,3,4,8,2,1]}
-PUZZLE:
-7 _ 6  _ 8 _  1 _ 3
-_ _ _  _ 1 6  _ 2 _
-_ _ _  _ _ _  _ 4 _
-
-_ _ _  1 _ _  _ _ _
-_ 2 1  _ _ _  _ 8 9
-_ _ _  2 _ _  _ _ 6
-
-4 9 _  _ _ _  _ _ _
-_ 5 _  6 _ _  _ _ 1
-6 _ _  _ 4 _  _ _ _
-
-SOLUTION:
-7 4 6  5 8 2  1 9 3
-9 3 5  4 1 6  8 2 7
-1 8 2  9 3 7  6 4 5
-
-3 6 9  1 7 8  2 5 4
-5 2 1  3 6 4  7 8 9
-8 7 4  2 5 9  3 1 6
-
-4 9 3  7 2 1  5 6 8
-2 5 8  6 9 3  4 7 1
-6 1 7  8 4 5  9 3 2
-
-RATING: 1.25
-DATA:
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-PUZZLE:
-3 _ _  _ _ _  _ 2 1
-_ 4 _  _ _ _  _ _ 3
-6 _ _  _ _ _  _ _ _
-
-8 2 _  _ _ 9  7 _ _
-_ _ 3  7 _ _  _ _ 8
-4 _ _  3 _ _  _ _ _
-
-_ _ _  _ 2 4  _ _ _
-_ _ _  9 _ 6  _ _ 7
-_ 1 2  _ 8 _  _ _ 6
-
-SOLUTION:
-3 7 8  4 9 5  6 2 1
-2 4 9  8 6 1  5 7 3
-6 5 1  2 7 3  4 8 9
-
-8 2 5  6 1 9  7 3 4
-1 6 3  7 4 2  9 5 8
-4 9 7  3 5 8  1 6 2
-
-7 3 6  1 2 4  8 9 5
-5 8 4  9 3 6  2 1 7
-9 1 2  5 8 7  3 4 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,6,null,null,null,null,6,null,null,null,null,null,null,null,6,null,7,null,3,null,null,null,8,7,null,null,3,null,null,0,6,null,null,2,null,null,null,null,7,null,null,5,null,null,null,null,null,null,2,null,null,null,null,5,7,1,8,1,null,null,null,null,null,null,null,null,5,null,3,null,null,2,null,null,4],"solution":[7,1,4,3,2,0,8,6,5,8,3,2,6,5,4,0,7,1,0,5,6,8,7,1,3,4,2,4,8,7,5,6,3,1,2,0,6,0,1,2,4,8,5,3,7,3,2,5,0,1,7,4,8,6,2,6,0,4,3,5,7,1,8,1,4,8,7,0,6,2,5,3,5,7,3,1,8,2,6,0,4]}
-PUZZLE:
-_ _ _  _ _ 1  _ 7 _
-_ _ _  7 _ _  _ _ _
-_ _ 7  _ 8 _  4 _ _
-
-_ 9 8  _ _ 4  _ _ 1
-7 _ _  3 _ _  _ _ 8
-_ _ 6  _ _ _  _ _ _
-
-3 _ _  _ _ 6  8 2 9
-2 _ _  _ _ _  _ _ _
-6 _ 4  _ _ 3  _ _ 5
-
-SOLUTION:
-8 2 5  4 3 1  9 7 6
-9 4 3  7 6 5  1 8 2
-1 6 7  9 8 2  4 5 3
-
-5 9 8  6 7 4  2 3 1
-7 1 2  3 5 9  6 4 8
-4 3 6  1 2 8  5 9 7
-
-3 7 1  5 4 6  8 2 9
-2 5 9  8 1 7  3 6 4
-6 8 4  2 9 3  7 1 5
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,null,null,null,null,0,5,null,null,null,null,null,3,null,null,null,null,6,2,5,7,0,6,null,null,2,5,null,null,null,null,null,null,7,null,null,null,6,null,5,null,null,6,null,null,null,7,8,null,null,null,null,null,null,6,null,null,null,2,null,null,1,null,null,null,null,null,8,null,null,null,7,null,1,null],"solution":[1,5,6,4,7,2,8,0,3,2,7,0,5,8,3,1,4,6,3,4,8,1,0,6,2,5,7,0,6,7,8,2,5,4,3,1,8,1,4,7,3,0,5,6,2,5,3,2,6,4,1,0,7,8,7,0,1,3,5,8,6,2,4,6,2,3,0,1,4,7,8,5,4,8,5,2,6,7,3,1,0]}
-PUZZLE:
-_ _ _  _ _ 3  _ _ _
-_ _ 1  6 _ _  _ _ _
-4 _ _  _ _ 7  3 6 8
-
-1 7 _  _ 3 6  _ _ _
-_ _ _  8 _ _  _ 7 _
-6 _ _  7 _ _  _ 8 9
-
-_ _ _  _ _ _  7 _ _
-_ 3 _  _ 2 _  _ _ _
-_ 9 _  _ _ 8  _ 2 _
-
-SOLUTION:
-2 6 7  5 8 3  9 1 4
-3 8 1  6 9 4  2 5 7
-4 5 9  2 1 7  3 6 8
-
-1 7 8  9 3 6  5 4 2
-9 2 5  8 4 1  6 7 3
-6 4 3  7 5 2  1 8 9
-
-8 1 2  4 6 9  7 3 5
-7 3 4  1 2 5  8 9 6
-5 9 6  3 7 8  4 2 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,6,2,null,8,null,null,0,8,null,null,null,null,5,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,0,null,3,null,null,null,4,null,5,null,null,null,null,2,null,null,null,3,null,null,null,8,null,null,7,null,null,1,4,null,null,4,null,null,null,null,7,null,1,null,null,null,8,0,null,null,null,null,null],"solution":[1,7,3,6,2,5,8,4,0,0,8,6,4,1,3,5,2,7,5,4,2,7,0,8,1,6,3,8,5,1,2,7,0,6,3,4,7,3,4,8,5,6,2,0,1,2,6,0,1,3,4,7,5,8,3,0,7,5,6,1,4,8,2,4,2,5,3,8,7,0,1,6,6,1,8,0,4,2,3,7,5]}
-PUZZLE:
-_ 8 _  7 3 _  9 _ _
-1 9 _  _ _ _  6 _ _
-_ _ _  _ _ _  _ 7 _
-
-_ _ _  _ _ 1  _ 4 _
-_ _ 5  _ 6 _  _ _ _
-3 _ _  _ 4 _  _ _ 9
-
-_ _ 8  _ _ 2  5 _ _
-5 _ _  _ _ 8  _ 2 _
-_ _ 9  1 _ _  _ _ _
-
-SOLUTION:
-2 8 4  7 3 6  9 5 1
-1 9 7  5 2 4  6 3 8
-6 5 3  8 1 9  2 7 4
-
-9 6 2  3 8 1  7 4 5
-8 4 5  9 6 7  3 1 2
-3 7 1  2 4 5  8 6 9
-
-4 1 8  6 7 2  5 9 3
-5 3 6  4 9 8  1 2 7
-7 2 9  1 5 3  4 8 6
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,1,null,null,null,null,6,null,0,null,null,null,null,null,4,null,null,null,4,null,null,3,null,5,null,5,null,null,null,6,null,8,3,null,2,null,null,0,null,null,null,null,4,4,3,null,5,8,null,1,null,null,null,null,7,null,5,null,0,null,null,null,null,null,null,null,null,null,null,null,8,5,null,2,null,null,null,null,null],"solution":[3,8,5,1,2,4,7,0,6,1,0,2,6,7,5,3,4,8,7,6,4,8,0,3,2,5,1,5,1,0,4,6,2,8,3,7,2,7,8,0,3,1,5,6,4,4,3,6,5,8,7,1,2,0,6,4,7,3,5,8,0,1,2,0,2,3,7,1,6,4,8,5,8,5,1,2,4,0,6,7,3]}
-PUZZLE:
-_ _ _  2 _ _  _ _ 7
-_ 1 _  _ _ _  _ 5 _
-_ _ 5  _ _ 4  _ 6 _
-
-6 _ _  _ 7 _  9 4 _
-3 _ _  1 _ _  _ _ 5
-5 4 _  6 9 _  2 _ _
-
-_ _ 8  _ 6 _  1 _ _
-_ _ _  _ _ _  _ _ _
-9 6 _  3 _ _  _ _ _
-
-SOLUTION:
-4 9 6  2 3 5  8 1 7
-2 1 3  7 8 6  4 5 9
-8 7 5  9 1 4  3 6 2
-
-6 2 1  5 7 3  9 4 8
-3 8 9  1 4 2  6 7 5
-5 4 7  6 9 8  2 3 1
-
-7 5 8  4 6 9  1 2 3
-1 3 4  8 2 7  5 9 6
-9 6 2  3 5 1  7 8 4
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,7,null,null,null,null,0,null,null,null,null,8,null,null,null,null,null,null,null,4,3,null,5,null,1,null,null,5,null,null,null,null,0,null,2,null,7,3,null,null,1,null,null,null,null,null,null,null,null,8,null,4,null,0,null,5,null,null,null,null,6,3,null,6,null,null,1,3,null,null,4,null,null,null,null,null,null,1,null,null],"solution":[5,8,7,1,2,4,3,0,6,1,3,6,8,7,0,4,2,5,2,0,4,3,6,5,8,1,7,8,5,1,7,4,6,0,3,2,4,7,3,2,0,1,6,5,8,6,2,0,5,3,8,7,4,1,0,1,5,4,8,7,2,6,3,7,6,2,0,1,3,5,8,4,3,4,8,6,5,2,1,7,0]}
-PUZZLE:
-_ _ 8  _ _ _  _ 1 _
-_ _ _  9 _ _  _ _ _
-_ _ 5  4 _ 6  _ 2 _
-
-_ 6 _  _ _ _  1 _ 3
-_ 8 4  _ _ 2  _ _ _
-_ _ _  _ _ 9  _ 5 _
-
-1 _ 6  _ _ _  _ 7 4
-_ 7 _  _ 2 4  _ _ 5
-_ _ _  _ _ _  2 _ _
-
-SOLUTION:
-6 9 8  2 3 5  4 1 7
-2 4 7  9 8 1  5 3 6
-3 1 5  4 7 6  9 2 8
-
-9 6 2  8 5 7  1 4 3
-5 8 4  3 1 2  7 6 9
-7 3 1  6 4 9  8 5 2
-
-1 2 6  5 9 8  3 7 4
-8 7 3  1 2 4  6 9 5
-4 5 9  7 6 3  2 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,2,8,null,7,null,null,null,null,4,null,null,0,null,7,null,8,3,null,null,null,7,6,null,2,0,null,null,null,3,null,null,null,null,null,6,null,null,null,5,4,null,0,2,null,5,null,null,null,null,null,null,null,null,null,null,null,null,0,8,6,null],"solution":[8,0,4,1,2,3,5,7,6,7,6,1,0,4,5,2,8,3,5,3,2,8,6,7,0,4,1,1,4,6,5,0,2,7,3,8,3,8,5,4,7,6,1,2,0,0,2,7,3,8,1,6,5,4,6,1,8,7,5,4,3,0,2,2,5,0,6,3,8,4,1,7,4,7,3,2,1,0,8,6,5]}
-PUZZLE:
-_ _ _  2 _ _  _ 8 _
-_ _ _  _ _ _  _ _ _
-_ _ 3  9 _ 8  _ _ _
-
-_ 5 _  _ 1 _  8 _ 9
-4 _ _  _ 8 7  _ 3 1
-_ _ _  4 _ _  _ _ _
-
-7 _ _  _ 6 5  _ 1 3
-_ 6 _  _ _ _  _ _ _
-_ _ _  _ _ 1  9 7 _
-
-SOLUTION:
-9 1 5  2 3 4  6 8 7
-8 7 2  1 5 6  3 9 4
-6 4 3  9 7 8  1 5 2
-
-2 5 7  6 1 3  8 4 9
-4 9 6  5 8 7  2 3 1
-1 3 8  4 9 2  7 6 5
-
-7 2 9  8 6 5  4 1 3
-3 6 1  7 4 9  5 2 8
-5 8 4  3 2 1  9 7 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,8,0,null,null,null,null,8,null,2,null,2,3,null,6,7,5,null,4,null,null,5,null,null,3,null,4,null,null,null,null,1,2,null,6,null,null,0,null,null,null,0,null,null,null,null,null,6,null,7,null,2,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,6,null,5],"solution":[4,1,6,3,0,2,7,5,8,0,7,5,4,1,8,3,2,6,2,3,8,6,7,5,0,4,1,7,5,0,8,3,1,4,6,2,3,4,1,2,5,6,8,7,0,8,6,2,0,4,7,5,1,3,6,8,7,5,2,0,1,3,4,5,0,3,1,6,4,2,8,7,1,2,4,7,8,3,6,0,5]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 9
-1 _ _  _ _ 9  _ 3 _
-3 4 _  7 8 6  _ 5 _
-
-_ 6 _  _ 4 _  5 _ _
-_ _ 2  3 _ 7  _ _ 1
-_ _ _  1 _ _  _ _ _
-
-7 _ 8  _ 3 _  _ 4 _
-_ _ _  _ _ _  _ _ _
-_ _ 5  _ _ _  7 _ 6
-
-SOLUTION:
-5 2 7  4 1 3  8 6 9
-1 8 6  5 2 9  4 3 7
-3 4 9  7 8 6  1 5 2
-
-8 6 1  9 4 2  5 7 3
-4 5 2  3 6 7  9 8 1
-9 7 3  1 5 8  6 2 4
-
-7 9 8  6 3 1  2 4 5
-6 1 4  2 7 5  3 9 8
-2 3 5  8 9 4  7 1 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[6,null,null,null,5,null,4,8,null,null,3,null,null,null,null,null,null,6,2,null,0,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,4,null,1,null,null,2,0,null,null,null,null,6,7,null,null,null,null,null,null,null,8,3,null,null,1,null,null,null,4,null,null,6,8,2,null,null,null,8,null,null,null,5,null,null],"solution":[6,1,7,3,5,0,4,8,2,4,3,5,2,1,8,0,7,6,2,8,0,4,6,7,3,5,1,8,2,1,0,4,5,6,3,7,7,4,6,1,8,3,2,0,5,0,5,3,6,7,2,1,4,8,5,6,2,8,3,4,7,1,0,1,7,4,5,0,6,8,2,3,3,0,8,7,2,1,5,6,4]}
-PUZZLE:
-7 _ _  _ 6 _  5 9 _
-_ 4 _  _ _ _  _ _ 7
-3 _ 1  _ _ _  _ _ _
-
-_ 3 _  _ _ _  _ _ _
-_ 5 _  2 _ _  3 1 _
-_ _ _  7 8 _  _ _ _
-
-_ _ _  9 4 _  _ 2 _
-_ _ 5  _ _ 7  9 3 _
-_ _ 9  _ _ _  6 _ _
-
-SOLUTION:
-7 2 8  4 6 1  5 9 3
-5 4 6  3 2 9  1 8 7
-3 9 1  5 7 8  4 6 2
-
-9 3 2  1 5 6  7 4 8
-8 5 7  2 9 4  3 1 6
-1 6 4  7 8 3  2 5 9
-
-6 7 3  9 4 5  8 2 1
-2 8 5  6 1 7  9 3 4
-4 1 9  8 3 2  6 7 5
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,4,0,6,null,null,null,null,5,null,null,null,null,2,4,null,null,null,6,null,null,null,null,null,null,null,1,null,null,null,null,4,null,8,null,null,null,0,1,null,null,2,null,null,null,null,null,null,null,6,null,null,null,3,3,null,null,1,null,null,4,null,6,null,null,null,null,null,null,2,null,8,null,8,null,null,3,null,null,null,null],"solution":[7,4,0,6,1,8,3,2,5,1,3,5,7,2,4,6,8,0,6,2,8,5,0,3,7,4,1,5,6,3,0,4,1,8,7,2,8,0,1,3,7,2,5,6,4,2,7,4,8,6,5,0,1,3,3,5,2,1,8,7,4,0,6,0,1,7,4,5,6,2,3,8,4,8,6,2,3,0,1,5,7]}
-PUZZLE:
-_ 5 1  7 _ _  _ _ 6
-_ _ _  _ 3 5  _ _ _
-7 _ _  _ _ _  _ _ 2
-
-_ _ _  _ 5 _  9 _ _
-_ 1 2  _ _ 3  _ _ _
-_ _ _  _ 7 _  _ _ 4
-
-4 _ _  2 _ _  5 _ 7
-_ _ _  _ _ _  3 _ 9
-_ 9 _  _ 4 _  _ _ _
-
-SOLUTION:
-8 5 1  7 2 9  4 3 6
-2 4 6  8 3 5  7 9 1
-7 3 9  6 1 4  8 5 2
-
-6 7 4  1 5 2  9 8 3
-9 1 2  4 8 3  6 7 5
-3 8 5  9 7 6  1 2 4
-
-4 6 3  2 9 8  5 1 7
-1 2 8  5 6 7  3 4 9
-5 9 7  3 4 1  2 6 8
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,null,null,null,5,7,null,null,7,null,null,8,null,null,4,6,null,null,5,null,6,3,null,null,null,null,null,null,null,null,0,3,null,5,null,null,null,null,null,8,1,null,null,null,1,null,null,3,null,null,6,null,null,null,null,null,null,null,null,null,0,null,4,null,null,2,5,null,null,null,2,null,null,null,null,null,null,5,4],"solution":[1,6,8,0,4,2,5,7,3,3,7,2,5,8,1,0,4,6,4,0,5,7,6,3,8,1,2,7,8,4,6,1,0,3,2,5,6,2,3,4,5,8,1,0,7,5,1,0,2,3,7,4,6,8,8,5,6,1,7,4,2,3,0,0,4,7,3,2,5,6,8,1,2,3,1,8,0,6,7,5,4]}
-PUZZLE:
-2 _ _  _ _ _  6 8 _
-_ 8 _  _ 9 _  _ 5 7
-_ _ 6  _ 7 4  _ _ _
-
-_ _ _  _ _ 1  4 _ 6
-_ _ _  _ _ 9  2 _ _
-_ 2 _  _ 4 _  _ 7 _
-
-_ _ _  _ _ _  _ _ 1
-_ 5 _  _ 3 6  _ _ _
-3 _ _  _ _ _  _ 6 5
-
-SOLUTION:
-2 7 9  1 5 3  6 8 4
-4 8 3  6 9 2  1 5 7
-5 1 6  8 7 4  9 2 3
-
-8 9 5  7 2 1  4 3 6
-7 3 4  5 6 9  2 1 8
-6 2 1  3 4 8  5 7 9
-
-9 6 7  2 8 5  3 4 1
-1 5 8  4 3 6  7 9 2
-3 4 2  9 1 7  8 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,7,null,null,5,7,null,6,null,2,null,3,null,0,null,null,null,1,6,null,8,null,null,6,null,null,null,7,0,null,null,null,null,null,8,5,null,null,0,3,null,null,null,null,2,4,null,null,null,null,null,null,null,null,null,null,5,null,null,null,0,null,null,null,null,null,null,3,5,null,null,null,null,null,null,1,2],"solution":[3,8,2,4,0,7,1,6,5,7,1,6,8,2,5,3,4,0,4,5,0,1,6,3,8,2,7,6,4,1,3,7,0,2,5,8,2,7,8,5,1,6,0,3,4,0,3,5,2,4,8,6,7,1,8,2,4,7,3,1,5,0,6,1,0,7,6,5,2,4,8,3,5,6,3,0,8,4,7,1,2]}
-PUZZLE:
-_ _ _  _ _ 8  _ _ 6
-8 _ 7  _ 3 _  4 _ 1
-_ _ _  2 7 _  9 _ _
-
-7 _ _  _ 8 1  _ _ _
-_ _ 9  6 _ _  1 4 _
-_ _ _  3 5 _  _ _ _
-
-_ _ _  _ _ _  6 _ _
-_ 1 _  _ _ _  _ _ 4
-6 _ _  _ _ _  _ 2 3
-
-SOLUTION:
-4 9 3  5 1 8  2 7 6
-8 2 7  9 3 6  4 5 1
-5 6 1  2 7 4  9 3 8
-
-7 5 2  4 8 1  3 6 9
-3 8 9  6 2 7  1 4 5
-1 4 6  3 5 9  7 8 2
-
-9 3 5  8 4 2  6 1 7
-2 1 8  7 6 3  5 9 4
-6 7 4  1 9 5  8 2 3
-
-RATING: 3
-DATA:
-{"puzzle":[4,null,null,null,2,null,null,null,null,null,null,7,null,null,null,3,6,null,null,2,1,6,8,0,null,null,null,2,null,null,null,null,null,null,null,5,null,null,null,0,null,null,1,null,null,null,4,null,null,null,8,null,null,0,null,null,null,null,5,4,null,null,null,null,5,null,null,null,null,2,null,null,1,null,2,null,6,null,null,null,null],"solution":[4,6,5,3,2,7,0,8,1,8,0,7,1,4,5,3,6,2,3,2,1,6,8,0,4,5,7,2,1,0,4,3,6,8,7,5,5,8,6,0,7,2,1,4,3,7,4,3,5,1,8,6,2,0,0,3,8,2,5,4,7,1,6,6,5,4,7,0,1,2,3,8,1,7,2,8,6,3,5,0,4]}
-PUZZLE:
-5 _ _  _ 3 _  _ _ _
-_ _ 8  _ _ _  4 7 _
-_ 3 2  7 9 1  _ _ _
-
-3 _ _  _ _ _  _ _ 6
-_ _ _  1 _ _  2 _ _
-_ 5 _  _ _ 9  _ _ 1
-
-_ _ _  _ 6 5  _ _ _
-_ 6 _  _ _ _  3 _ _
-2 _ 3  _ 7 _  _ _ _
-
-SOLUTION:
-5 7 6  4 3 8  1 9 2
-9 1 8  2 5 6  4 7 3
-4 3 2  7 9 1  5 6 8
-
-3 2 1  5 4 7  9 8 6
-6 9 7  1 8 3  2 5 4
-8 5 4  6 2 9  7 3 1
-
-1 4 9  3 6 5  8 2 7
-7 6 5  8 1 2  3 4 9
-2 8 3  9 7 4  6 1 5
-
-RATING: 3
-DATA:
-{"puzzle":[8,1,7,null,null,null,null,4,null,null,null,null,6,null,null,5,null,null,6,null,null,null,null,null,null,1,null,4,6,null,1,null,null,null,null,null,null,null,null,null,2,null,0,8,null,null,null,null,null,6,7,null,null,null,null,null,null,null,null,null,null,2,null,null,7,null,8,4,null,3,null,null,null,2,null,null,null,0,null,7,null],"solution":[8,1,7,0,3,5,6,4,2,2,3,4,6,7,1,5,0,8,6,0,5,2,8,4,7,1,3,4,6,3,1,0,8,2,5,7,7,5,1,4,2,3,0,8,6,0,8,2,5,6,7,4,3,1,3,4,8,7,5,6,1,2,0,1,7,0,8,4,2,3,6,5,5,2,6,3,1,0,8,7,4]}
-PUZZLE:
-9 2 8  _ _ _  _ 5 _
-_ _ _  7 _ _  6 _ _
-7 _ _  _ _ _  _ 2 _
-
-5 7 _  2 _ _  _ _ _
-_ _ _  _ 3 _  1 9 _
-_ _ _  _ 7 8  _ _ _
-
-_ _ _  _ _ _  _ 3 _
-_ 8 _  9 5 _  4 _ _
-_ 3 _  _ _ 1  _ 8 _
-
-SOLUTION:
-9 2 8  1 4 6  7 5 3
-3 4 5  7 8 2  6 1 9
-7 1 6  3 9 5  8 2 4
-
-5 7 4  2 1 9  3 6 8
-8 6 2  5 3 4  1 9 7
-1 9 3  6 7 8  5 4 2
-
-4 5 9  8 6 7  2 3 1
-2 8 1  9 5 3  4 7 6
-6 3 7  4 2 1  9 8 5
-
-RATING: 3
-DATA:
-{"puzzle":[null,1,null,0,null,null,null,8,null,null,2,null,7,null,null,null,null,null,null,null,3,null,8,null,6,null,null,4,null,null,null,null,null,null,2,null,null,5,null,8,7,null,null,null,null,8,null,7,null,null,null,null,3,null,null,7,null,null,0,null,2,null,8,5,null,null,1,null,null,7,0,null,1,null,null,null,null,null,null,null,null],"solution":[7,1,5,0,6,4,3,8,2,6,2,8,7,3,1,0,5,4,0,4,3,2,8,5,6,7,1,4,3,1,6,5,0,8,2,7,2,5,6,8,7,3,1,4,0,8,0,7,4,1,2,5,3,6,3,7,4,5,0,6,2,1,8,5,6,2,1,4,8,7,0,3,1,8,0,3,2,7,4,6,5]}
-PUZZLE:
-_ 2 _  1 _ _  _ 9 _
-_ 3 _  8 _ _  _ _ _
-_ _ 4  _ 9 _  7 _ _
-
-5 _ _  _ _ _  _ 3 _
-_ 6 _  9 8 _  _ _ _
-9 _ 8  _ _ _  _ 4 _
-
-_ 8 _  _ 1 _  3 _ 9
-6 _ _  2 _ _  8 1 _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 2 6  1 7 5  4 9 3
-7 3 9  8 4 2  1 6 5
-1 5 4  3 9 6  7 8 2
-
-5 4 2  7 6 1  9 3 8
-3 6 7  9 8 4  2 5 1
-9 1 8  5 2 3  6 4 7
-
-4 8 5  6 1 7  3 2 9
-6 7 3  2 5 9  8 1 4
-2 9 1  4 3 8  5 7 6
-
-RATING: 1
-DATA:
-{"puzzle":[2,null,7,null,null,null,5,null,null,null,8,null,null,null,5,null,null,null,null,1,null,null,null,2,null,null,0,null,7,null,4,null,null,null,null,8,null,null,2,1,null,8,null,null,3,6,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,6,null,7,null,3,null,7,null,1,null,null,4],"solution":[2,6,7,0,8,4,5,3,1,4,8,0,3,1,5,7,2,6,3,1,5,6,7,2,8,4,0,1,7,3,4,5,0,2,6,8,0,5,2,1,6,8,4,7,3,6,4,8,2,3,7,1,0,5,7,0,1,5,4,6,3,8,2,5,2,4,8,0,3,6,1,7,8,3,6,7,2,1,0,5,4]}
-PUZZLE:
-3 _ 8  _ _ _  6 _ _
-_ 9 _  _ _ 6  _ _ _
-_ 2 _  _ _ 3  _ _ 1
-
-_ 8 _  5 _ _  _ _ 9
-_ _ 3  2 _ 9  _ _ 4
-7 _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  9 _ _  7 _ 8
-_ 4 _  8 _ 2  _ _ 5
-
-SOLUTION:
-3 7 8  1 9 5  6 4 2
-5 9 1  4 2 6  8 3 7
-4 2 6  7 8 3  9 5 1
-
-2 8 4  5 6 1  3 7 9
-1 6 3  2 7 9  5 8 4
-7 5 9  3 4 8  2 1 6
-
-8 1 2  6 5 7  4 9 3
-6 3 5  9 1 4  7 2 8
-9 4 7  8 3 2  1 6 5
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,null,2,null,null,null,0,5,null,null,3,null,8,null,null,null,null,null,4,1,null,null,null,null,null,null,7,3,2,null,6,null,0,2,null,null,null,null,null,null,null,null,8,null,null,null,null,null,1,null,null,5,0,null,null,null,null,7,3,null,null,null,null,null,null,6,null,null,null,null,4,null,null,null,null],"solution":[4,6,5,3,8,1,7,0,2,2,7,1,0,5,4,6,3,8,8,0,3,6,7,2,4,1,5,5,1,8,4,6,7,3,2,0,6,4,0,2,3,5,8,7,1,3,2,7,8,1,0,5,6,4,1,8,6,5,0,3,2,4,7,7,3,4,1,2,8,0,5,6,0,5,2,7,4,6,1,8,3]}
-PUZZLE:
-_ 7 _  _ _ _  _ _ 3
-_ _ _  1 6 _  _ 4 _
-9 _ _  _ _ _  5 2 _
-
-_ _ _  _ _ 8  4 3 _
-7 _ 1  3 _ _  _ _ _
-_ _ _  9 _ _  _ _ _
-
-2 _ _  6 1 _  _ _ _
-8 4 _  _ _ _  _ _ 7
-_ _ _  _ 5 _  _ _ _
-
-SOLUTION:
-5 7 6  4 9 2  8 1 3
-3 8 2  1 6 5  7 4 9
-9 1 4  7 8 3  5 2 6
-
-6 2 9  5 7 8  4 3 1
-7 5 1  3 4 6  9 8 2
-4 3 8  9 2 1  6 7 5
-
-2 9 7  6 1 4  3 5 8
-8 4 5  2 3 9  1 6 7
-1 6 3  8 5 7  2 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,null,null,2,null,null,null,null,1,null,null,null,null,null,null,null,null,null,6,4,null,7,null,null,null,null,0,null,8,4,null,1,null,null,null,null,null,5,3,null,null,4,null,5,null,null,1,null,null,null,8,null,null,3,null,null,null,null,0,null,2,null,null,null,null,null,6,null,null,7,null,4,3,null,null],"solution":[4,6,5,3,0,7,8,2,1,2,8,0,6,4,1,5,3,7,1,7,3,5,2,8,6,4,0,7,5,6,1,3,0,2,8,4,8,1,2,4,7,6,0,5,3,0,3,4,8,5,2,7,1,6,5,4,8,0,6,3,1,7,2,3,0,7,2,1,5,4,6,8,6,2,1,7,8,4,3,0,5]}
-PUZZLE:
-_ _ 6  _ _ _  _ _ _
-3 _ _  _ _ 2  _ _ _
-_ _ _  _ _ _  7 5 _
-
-8 _ _  _ _ 1  _ 9 5
-_ 2 _  _ _ _  _ 6 4
-_ _ 5  _ 6 _  _ 2 _
-
-_ _ 9  _ _ 4  _ _ _
-_ 1 _  3 _ _  _ _ _
-7 _ _  8 _ 5  4 _ _
-
-SOLUTION:
-5 7 6  4 1 8  9 3 2
-3 9 1  7 5 2  6 4 8
-2 8 4  6 3 9  7 5 1
-
-8 6 7  2 4 1  3 9 5
-9 2 3  5 8 7  1 6 4
-1 4 5  9 6 3  8 2 7
-
-6 5 9  1 7 4  2 8 3
-4 1 8  3 2 6  5 7 9
-7 3 2  8 9 5  4 1 6
-
-RATING: 5
-DATA:
-{"puzzle":[3,null,null,4,null,null,null,null,null,null,null,0,null,null,null,4,7,null,null,7,null,2,8,null,null,0,3,null,null,null,null,7,null,null,8,null,null,5,4,6,null,3,null,null,null,null,null,3,null,null,null,1,null,null,null,null,7,null,null,null,null,null,0,2,null,null,null,null,null,null,null,null,1,null,null,8,5,null,null,null,null],"solution":[3,8,5,4,0,7,2,6,1,6,2,0,1,3,5,4,7,8,4,7,1,2,8,6,5,0,3,0,1,2,5,7,4,3,8,6,8,5,4,6,1,3,0,2,7,7,6,3,0,2,8,1,5,4,5,4,7,3,6,2,8,1,0,2,0,8,7,4,1,6,3,5,1,3,6,8,5,0,7,4,2]}
-PUZZLE:
-4 _ _  5 _ _  _ _ _
-_ _ 1  _ _ _  5 8 _
-_ 8 _  3 9 _  _ 1 4
-
-_ _ _  _ 8 _  _ 9 _
-_ 6 5  7 _ 4  _ _ _
-_ _ 4  _ _ _  2 _ _
-
-_ _ 8  _ _ _  _ _ 1
-3 _ _  _ _ _  _ _ _
-2 _ _  9 6 _  _ _ _
-
-SOLUTION:
-4 9 6  5 1 8  3 7 2
-7 3 1  2 4 6  5 8 9
-5 8 2  3 9 7  6 1 4
-
-1 2 3  6 8 5  4 9 7
-9 6 5  7 2 4  1 3 8
-8 7 4  1 3 9  2 6 5
-
-6 5 8  4 7 3  9 2 1
-3 1 9  8 5 2  7 4 6
-2 4 7  9 6 1  8 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,null,null,5,null,3,null,null,null,null,null,8,null,null,1,null,null,1,null,2,null,3,null,null,4,4,null,null,null,null,null,null,null,null,null,null,null,1,0,7,null,null,8,6,null,null,null,5,null,null,0,7,null,null,3,null,null,null,4,null,null,null,0,null,null,null,null,null,null,null,null,null,5,0,null,null,null,8,null],"solution":[0,2,4,7,1,5,8,3,6,7,3,6,4,8,0,5,1,2,5,1,8,2,6,3,0,7,4,4,7,0,6,2,8,1,5,3,3,5,2,1,0,7,6,4,8,6,8,1,3,5,4,2,0,7,8,6,3,5,7,1,4,2,0,1,0,7,8,4,2,3,6,5,2,4,5,0,3,6,7,8,1]}
-PUZZLE:
-_ 3 _  _ _ 6  _ 4 _
-_ _ _  _ 9 _  _ 2 _
-_ 2 _  3 _ 4  _ _ 5
-
-5 _ _  _ _ _  _ _ _
-_ _ _  2 1 8  _ _ 9
-7 _ _  _ 6 _  _ 1 8
-
-_ _ 4  _ _ _  5 _ _
-_ 1 _  _ _ _  _ _ _
-_ _ 6  1 _ _  _ 9 _
-
-SOLUTION:
-1 3 5  8 2 6  9 4 7
-8 4 7  5 9 1  6 2 3
-6 2 9  3 7 4  1 8 5
-
-5 8 1  7 3 9  2 6 4
-4 6 3  2 1 8  7 5 9
-7 9 2  4 6 5  3 1 8
-
-9 7 4  6 8 2  5 3 1
-2 1 8  9 5 3  4 7 6
-3 5 6  1 4 7  8 9 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,5,null,null,null,null,null,null,null,0,1,null,null,2,3,null,null,null,6,null,null,8,null,null,7,5,null,null,null,3,null,null,null,6,4,0,null,null,null,null,null,null,null,null,null,3,null,null,2,null,null,5,6,null,1,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,0,null,null,5,3],"solution":[2,8,4,5,7,3,1,6,0,7,5,0,1,6,4,2,3,8,3,1,6,0,2,8,5,4,7,5,2,7,8,3,0,4,1,6,4,0,8,6,1,5,3,7,2,1,6,3,7,4,2,8,0,5,6,3,1,2,5,7,0,8,4,0,4,5,3,8,6,7,2,1,8,7,2,4,0,1,6,5,3]}
-PUZZLE:
-_ _ _  6 _ _  _ _ _
-_ _ 1  2 _ _  3 4 _
-_ _ 7  _ _ 9  _ _ 8
-
-6 _ _  _ 4 _  _ _ 7
-5 1 _  _ _ _  _ _ _
-_ _ 4  _ _ 3  _ _ 6
-
-7 _ 2  _ _ _  1 _ _
-_ _ _  _ _ _  _ _ _
-_ _ 3  _ 1 _  _ 6 4
-
-SOLUTION:
-3 9 5  6 8 4  2 7 1
-8 6 1  2 7 5  3 4 9
-4 2 7  1 3 9  6 5 8
-
-6 3 8  9 4 1  5 2 7
-5 1 9  7 2 6  4 8 3
-2 7 4  8 5 3  9 1 6
-
-7 4 2  3 6 8  1 9 5
-1 5 6  4 9 7  8 3 2
-9 8 3  5 1 2  7 6 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,6,null,null,null,8,null,null,4,5,8,null,null,null,4,0,null,null,null,4,null,2,null,null,null,null,null,null,1,null,null,null,null,null,null,null,6,5,null,0,null,null,null,2,null,2,null,null,3,null,null,null,8,null,null,2,null,null,null,3,null,null,null,null,null,4,8,null,1,6,0,null,null,null,null,null,null,5,null,null,null],"solution":[0,6,1,7,5,8,2,3,4,5,8,2,1,3,4,0,7,6,3,4,7,2,6,0,1,5,8,4,1,3,5,8,2,7,6,0,6,5,8,0,1,7,4,2,3,2,7,0,3,4,6,5,8,1,1,2,5,6,0,3,8,4,7,7,3,4,8,2,1,6,0,5,8,0,6,4,7,5,3,1,2]}
-PUZZLE:
-_ 7 _  _ _ 9  _ _ 5
-6 9 _  _ _ 5  1 _ _
-_ 5 _  3 _ _  _ _ _
-
-_ 2 _  _ _ _  _ _ _
-7 6 _  1 _ _  _ 3 _
-3 _ _  4 _ _  _ 9 _
-
-_ 3 _  _ _ 4  _ _ _
-_ _ 5  9 _ 2  7 1 _
-_ _ _  _ _ 6  _ _ _
-
-SOLUTION:
-1 7 2  8 6 9  3 4 5
-6 9 3  2 4 5  1 8 7
-4 5 8  3 7 1  2 6 9
-
-5 2 4  6 9 3  8 7 1
-7 6 9  1 2 8  5 3 4
-3 8 1  4 5 7  6 9 2
-
-2 3 6  7 1 4  9 5 8
-8 4 5  9 3 2  7 1 6
-9 1 7  5 8 6  4 2 3
-
-RATING: 2
-DATA:
-{"puzzle":[null,3,null,1,null,4,7,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,2,null,1,4,8,null,null,0,null,null,null,null,6,null,null,null,null,4,1,2,null,null,null,7,null,null,3,null,null,null,null,7,8,null,null,null,null,null,4,null,0,null,3,null,null,null,null,null,null,6,null,null,7,null,null,null,null,5],"solution":[2,3,8,1,6,4,7,5,0,1,0,4,5,7,8,3,6,2,5,6,7,3,0,2,8,1,4,8,1,2,0,5,7,4,3,6,3,5,6,8,4,1,2,0,7,4,7,0,2,3,6,5,8,1,7,8,5,6,2,0,1,4,3,0,2,3,4,1,5,6,7,8,6,4,1,7,8,3,0,2,5]}
-PUZZLE:
-_ 4 _  2 _ 5  8 _ _
-_ 1 _  _ _ _  _ _ _
-_ _ _  _ _ 3  _ 2 5
-
-9 _ _  1 _ _  _ _ 7
-_ _ _  _ 5 2  3 _ _
-_ 8 _  _ 4 _  _ _ _
-
-8 9 _  _ _ _  _ 5 _
-1 _ 4  _ _ _  _ _ _
-7 _ _  8 _ _  _ _ 6
-
-SOLUTION:
-3 4 9  2 7 5  8 6 1
-2 1 5  6 8 9  4 7 3
-6 7 8  4 1 3  9 2 5
-
-9 2 3  1 6 8  5 4 7
-4 6 7  9 5 2  3 1 8
-5 8 1  3 4 7  6 9 2
-
-8 9 6  7 3 1  2 5 4
-1 3 4  5 2 6  7 8 9
-7 5 2  8 9 4  1 3 6
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,null,7,null,0,null,null,null,null,null,null,null,1,null,3,null,7,6,null,null,null,0,null,null,4,0,null,7,null,null,null,null,null,null,5,null,null,null,null,8,2,4,null,null,null,null,null,2,null,null,null,7,null,null,null,2,null,null,null,6,null,2,3,null,null,8,null,null,null,null,8,null,null,1,null,null,null,null,null],"solution":[3,8,1,4,7,2,0,5,6,4,0,2,6,5,1,7,3,8,7,6,5,8,3,0,1,2,4,0,2,7,3,1,4,6,8,5,5,1,3,7,6,8,2,4,0,6,4,8,0,2,5,3,1,7,1,5,4,2,0,7,8,6,3,2,3,0,5,8,6,4,7,1,8,7,6,1,4,3,5,0,2]}
-PUZZLE:
-_ _ _  _ 8 _  1 _ _
-_ _ _  _ _ 2  _ 4 _
-8 7 _  _ _ 1  _ _ 5
-
-1 _ 8  _ _ _  _ _ _
-6 _ _  _ _ 9  3 5 _
-_ _ _  _ 3 _  _ _ 8
-
-_ _ _  3 _ _  _ 7 _
-3 4 _  _ 9 _  _ _ _
-9 _ _  2 _ _  _ _ _
-
-SOLUTION:
-4 9 2  5 8 3  1 6 7
-5 1 3  7 6 2  8 4 9
-8 7 6  9 4 1  2 3 5
-
-1 3 8  4 2 5  7 9 6
-6 2 4  8 7 9  3 5 1
-7 5 9  1 3 6  4 2 8
-
-2 6 5  3 1 8  9 7 4
-3 4 1  6 9 7  5 8 2
-9 8 7  2 5 4  6 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,null,null,null,7,null,null,null,null,null,6,0,6,null,null,null,4,null,8,null,null,5,null,null,7,8,null,null,null,null,4,1,null,null,2,null,null,null,null,null,null,null,null,null,0,null,null,null,2,null,null,8,null,4,7,null,null,null,null,null,null,null,null,null,5,2,null,null,null,null,5,null,3,null,1],"solution":[3,2,8,6,0,5,1,4,7,1,7,4,2,3,8,5,6,0,6,0,5,1,4,7,8,2,3,5,6,2,7,8,1,0,3,4,4,1,0,5,2,3,6,7,8,8,3,7,4,6,0,2,1,5,2,5,3,8,1,4,7,0,6,0,8,1,3,7,6,4,5,2,7,4,6,0,5,2,3,8,1]}
-PUZZLE:
-_ _ _  _ _ 6  _ _ _
-_ 8 _  _ _ _  _ 7 1
-7 _ _  _ 5 _  9 _ _
-
-6 _ _  8 9 _  _ _ _
-5 2 _  _ 3 _  _ _ _
-_ _ _  _ _ 1  _ _ _
-
-3 _ _  9 _ 5  8 _ _
-_ _ _  _ _ _  _ 6 3
-_ _ _  _ 6 _  4 _ 2
-
-SOLUTION:
-4 3 9  7 1 6  2 5 8
-2 8 5  3 4 9  6 7 1
-7 1 6  2 5 8  9 3 4
-
-6 7 3  8 9 2  1 4 5
-5 2 1  6 3 4  7 8 9
-9 4 8  5 7 1  3 2 6
-
-3 6 4  9 2 5  8 1 7
-1 9 2  4 8 7  5 6 3
-8 5 7  1 6 3  4 9 2
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,5,0,3,null,null,null,null,null,null,null,null,null,1,7,null,null,2,null,null,7,8,null,3,null,null,1,0,null,null,2,7,null,null,null,null,7,null,4,1,null,null,null,3,5,null,null,null,null,4,null,null,null,null,null,null,null,null,2,8,null,5,8,null,null,2,null,null,null,null,null,null,null,null,3,null,null,null,null],"solution":[1,7,4,5,0,3,8,2,6,0,3,8,2,6,4,1,7,5,6,2,5,1,7,8,0,3,4,4,1,0,3,5,2,7,6,8,8,6,7,0,4,1,3,5,2,3,5,2,6,8,7,4,1,0,7,0,6,4,1,5,2,8,3,5,8,3,7,2,0,6,4,1,2,4,1,8,3,6,5,0,7]}
-PUZZLE:
-_ _ _  6 1 4  _ _ _
-_ _ _  _ _ _  2 8 _
-_ 3 _  _ 8 9  _ 4 _
-
-_ 2 1  _ _ 3  8 _ _
-_ _ 8  _ 5 2  _ _ _
-4 6 _  _ _ _  5 _ _
-
-_ _ _  _ _ _  3 9 _
-6 9 _  _ 3 _  _ _ _
-_ _ _  _ 4 _  _ _ _
-
-SOLUTION:
-2 8 5  6 1 4  9 3 7
-1 4 9  3 7 5  2 8 6
-7 3 6  2 8 9  1 4 5
-
-5 2 1  4 6 3  8 7 9
-9 7 8  1 5 2  4 6 3
-4 6 3  7 9 8  5 2 1
-
-8 1 7  5 2 6  3 9 4
-6 9 4  8 3 1  7 5 2
-3 5 2  9 4 7  6 1 8
-
-RATING: 1.25
-DATA:
-{"puzzle":[8,null,7,2,null,null,1,null,0,null,null,null,null,null,null,5,3,null,null,null,null,null,null,0,null,null,6,null,null,null,8,3,null,null,5,null,null,5,null,7,null,null,null,2,null,3,0,null,null,4,null,7,null,null,null,null,null,null,7,null,null,null,null,0,null,null,null,null,1,null,null,null,null,null,5,null,null,null,6,null,null],"solution":[8,6,7,2,5,3,1,4,0,1,4,0,6,8,7,5,3,2,5,2,3,4,1,0,8,7,6,6,7,1,8,3,2,0,5,4,4,5,8,7,0,6,3,2,1,3,0,2,1,4,5,7,6,8,2,1,6,3,7,8,4,0,5,0,3,4,5,6,1,2,8,7,7,8,5,0,2,4,6,1,3]}
-PUZZLE:
-9 _ 8  3 _ _  2 _ 1
-_ _ _  _ _ _  6 4 _
-_ _ _  _ _ 1  _ _ 7
-
-_ _ _  9 4 _  _ 6 _
-_ 6 _  8 _ _  _ 3 _
-4 1 _  _ 5 _  8 _ _
-
-_ _ _  _ 8 _  _ _ _
-1 _ _  _ _ 2  _ _ _
-_ _ 6  _ _ _  7 _ _
-
-SOLUTION:
-9 7 8  3 6 4  2 5 1
-2 5 1  7 9 8  6 4 3
-6 3 4  5 2 1  9 8 7
-
-7 8 2  9 4 3  1 6 5
-5 6 9  8 1 7  4 3 2
-4 1 3  2 5 6  8 7 9
-
-3 2 7  4 8 9  5 1 6
-1 4 5  6 7 2  3 9 8
-8 9 6  1 3 5  7 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,5,null,null,7,null,null,8,null,null,4,null,null,0,5,null,null,7,null,null,6,1,8,null,null,null,null,null,null,4,null,null,null,5,3,8,null,null,null,7,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,5,3,null,1,null,null,1,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,4],"solution":[4,6,0,5,3,8,7,2,1,8,3,1,4,7,2,0,5,6,5,7,2,0,6,1,8,4,3,7,2,6,3,4,0,1,8,5,3,8,5,6,1,7,4,0,2,1,0,4,8,2,5,3,6,7,2,4,8,7,5,3,6,1,0,6,1,3,2,0,4,5,7,8,0,5,7,1,8,6,2,3,4]}
-PUZZLE:
-_ 7 _  6 _ _  8 _ _
-9 _ _  5 _ _  1 6 _
-_ 8 _  _ 7 2  9 _ _
-
-_ _ _  _ 5 _  _ _ 6
-4 9 _  _ _ 8  _ _ _
-_ _ _  _ _ _  _ 7 _
-
-_ _ _  _ 6 4  _ 2 _
-_ 2 _  _ _ _  _ 8 _
-_ _ _  _ _ _  _ _ 5
-
-SOLUTION:
-5 7 1  6 4 9  8 3 2
-9 4 2  5 8 3  1 6 7
-6 8 3  1 7 2  9 5 4
-
-8 3 7  4 5 1  2 9 6
-4 9 6  7 2 8  5 1 3
-2 1 5  9 3 6  4 7 8
-
-3 5 9  8 6 4  7 2 1
-7 2 4  3 1 5  6 8 9
-1 6 8  2 9 7  3 4 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,8,1,6,null,0,null,null,null,3,null,null,null,null,4,null,null,null,null,null,null,null,null,6,5,null,2,null,null,0,null,3,null,6,null,3,null,null,null,1,null,null,null,null,null,null,1,null,null,null,2,null,null,null,5,null,null,null,6,null,null,8,null,null,0,null,4,null,3,2,null,null,null,4,8,null,null,null,null,null],"solution":[7,4,8,1,6,5,0,3,2,5,3,6,7,2,0,4,8,1,0,1,2,3,8,4,6,5,7,2,8,5,0,7,3,1,6,4,3,6,7,4,1,2,8,0,5,4,0,1,6,5,8,2,7,3,1,5,3,2,0,6,7,4,8,8,7,0,5,4,1,3,2,6,6,2,4,8,3,7,5,1,0]}
-PUZZLE:
-_ _ 9  2 7 _  1 _ _
-_ 4 _  _ _ _  5 _ _
-_ _ _  _ _ _  7 6 _
-
-3 _ _  1 _ 4  _ 7 _
-4 _ _  _ 2 _  _ _ _
-_ _ 2  _ _ _  3 _ _
-
-_ 6 _  _ _ 7  _ _ 9
-_ _ 1  _ 5 _  4 3 _
-_ _ 5  9 _ _  _ _ _
-
-SOLUTION:
-8 5 9  2 7 6  1 4 3
-6 4 7  8 3 1  5 9 2
-1 2 3  4 9 5  7 6 8
-
-3 9 6  1 8 4  2 7 5
-4 7 8  5 2 3  9 1 6
-5 1 2  7 6 9  3 8 4
-
-2 6 4  3 1 7  8 5 9
-9 8 1  6 5 2  4 3 7
-7 3 5  9 4 8  6 2 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,2,3,0,null,null,null,null,null,null,null,null,8,null,null,3,5,null,4,null,null,null,null,null,5,0,4,null,null,null,null,null,0,null,3,null,7,null,null,null,null,1,null,null,2,null,5,null,null,null,7,null,null,null,null,null,0,6,null,4,null,null,null,1,null,7,null,2,null,null,6,null,null,null,null],"solution":[4,1,5,7,8,0,6,2,3,0,3,6,2,4,1,8,7,5,8,7,2,3,5,6,4,0,1,7,6,8,5,0,4,3,1,2,2,5,0,1,3,8,7,4,6,3,4,1,6,7,2,0,5,8,5,8,7,4,1,3,2,6,0,6,0,4,8,2,5,1,3,7,1,2,3,0,6,7,5,8,4]}
-PUZZLE:
-_ _ _  8 _ _  _ 3 4
-1 _ _  _ _ _  _ _ _
-9 _ _  4 6 _  5 _ _
-
-_ _ _  6 1 5  _ _ _
-_ _ 1  _ 4 _  8 _ _
-_ _ 2  _ _ 3  _ 6 _
-
-_ _ 8  _ _ _  _ _ 1
-7 _ 5  _ _ _  2 _ 8
-_ 3 _  _ 7 _  _ _ _
-
-SOLUTION:
-5 2 6  8 9 1  7 3 4
-1 4 7  3 5 2  9 8 6
-9 8 3  4 6 7  5 1 2
-
-8 7 9  6 1 5  4 2 3
-3 6 1  2 4 9  8 5 7
-4 5 2  7 8 3  1 6 9
-
-6 9 8  5 2 4  3 7 1
-7 1 5  9 3 6  2 4 8
-2 3 4  1 7 8  6 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,4,3,6,null,null,null,null,null,null,null,null,null,null,0,5,null,null,3,null,2,null,null,1,null,5,null,7,null,4,null,null,null,null,null,2,null,7,null,null,null,null,1,null,null,1,null,null,null,2,null,null,null,null,null,null,null,0,6,4,8,3,null,null,null,null,null,null,null,null,null,8,null,null,null,4,null,null,7],"solution":[1,5,0,4,3,6,7,8,2,2,6,4,8,7,1,3,0,5,8,7,3,0,2,5,4,1,6,5,0,7,1,4,2,8,6,3,4,2,8,7,6,3,0,5,1,6,3,1,5,0,8,2,7,4,7,1,2,3,5,0,6,4,8,3,4,5,6,8,7,1,2,0,0,8,6,2,1,4,5,3,7]}
-PUZZLE:
-_ _ _  5 4 7  _ _ _
-_ _ _  _ _ _  _ 1 6
-_ _ 4  _ 3 _  _ 2 _
-
-6 _ 8  _ 5 _  _ _ _
-_ 3 _  8 _ _  _ _ 2
-_ _ 2  _ _ _  3 _ _
-
-_ _ _  _ _ 1  7 5 9
-4 _ _  _ _ _  _ _ _
-_ 9 _  _ _ 5  _ _ 8
-
-SOLUTION:
-2 6 1  5 4 7  8 9 3
-3 7 5  9 8 2  4 1 6
-9 8 4  1 3 6  5 2 7
-
-6 1 8  2 5 3  9 7 4
-5 3 9  8 7 4  1 6 2
-7 4 2  6 1 9  3 8 5
-
-8 2 3  4 6 1  7 5 9
-4 5 6  7 9 8  2 3 1
-1 9 7  3 2 5  6 4 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,4,null,null,6,null,null,5,null,6,null,1,null,null,null,2,3,null,null,null,null,null,null,null,null,0,null,null,null,null,3,5,null,null,null,null,4,null,null,null,null,3,8,7,null,1,8,0,null,null,2,null,1,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,6,null,null,null,null,1,4,5],"solution":[8,1,0,4,3,2,6,5,7,5,4,6,7,1,8,3,0,2,3,7,2,0,5,6,8,1,4,0,2,8,6,4,3,5,7,1,6,5,4,1,2,7,0,3,8,7,3,1,8,0,5,4,2,6,1,0,5,2,6,4,7,8,3,4,8,3,5,7,1,2,6,0,2,6,7,3,8,0,1,4,5]}
-PUZZLE:
-_ 2 _  5 _ _  7 _ _
-6 _ 7  _ 2 _  _ _ 3
-4 _ _  _ _ _  _ _ _
-
-1 _ _  _ _ 4  6 _ _
-_ _ 5  _ _ _  _ 4 9
-8 _ 2  9 1 _  _ 3 _
-
-2 _ _  _ _ _  _ _ _
-_ _ _  _ 8 _  _ _ _
-_ 7 _  _ _ _  2 5 6
-
-SOLUTION:
-9 2 1  5 4 3  7 6 8
-6 5 7  8 2 9  4 1 3
-4 8 3  1 6 7  9 2 5
-
-1 3 9  7 5 4  6 8 2
-7 6 5  2 3 8  1 4 9
-8 4 2  9 1 6  5 3 7
-
-2 1 6  3 7 5  8 9 4
-5 9 4  6 8 2  3 7 1
-3 7 8  4 9 1  2 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,4,null,2,null,null,null,null,null,null,null,null,null,null,null,null,3,null,5,null,null,null,null,null,0,4,null,null,null,null,5,7,null,null,null,null,null,0,8,7,null,3,null,null,8,null,null,null,null,null,null,2,6,4,null,null,2,null,null,null,null,null,0,null,5,null,null,1,null,null,null,null,null,null,null,3,null,8,null],"solution":[7,1,8,4,0,2,6,5,3,0,6,4,3,5,8,2,1,7,3,2,5,7,6,1,8,4,0,4,3,0,2,1,5,7,6,8,2,5,6,0,8,7,4,3,1,1,8,7,6,3,4,5,0,2,6,4,1,8,2,0,3,7,5,8,0,3,5,7,6,1,2,4,5,7,2,1,4,3,0,8,6]}
-PUZZLE:
-8 _ _  5 _ 3  _ _ _
-_ _ _  _ _ _  _ _ _
-4 _ 6  _ _ _  _ _ 1
-
-5 _ _  _ _ 6  8 _ _
-_ _ _  1 9 8  _ 4 _
-_ 9 _  _ _ _  _ _ 3
-
-7 5 _  _ 3 _  _ _ _
-_ 1 _  6 _ _  2 _ _
-_ _ _  _ _ 4  _ 9 _
-
-SOLUTION:
-8 2 9  5 1 3  7 6 4
-1 7 5  4 6 9  3 2 8
-4 3 6  8 7 2  9 5 1
-
-5 4 1  3 2 6  8 7 9
-3 6 7  1 9 8  5 4 2
-2 9 8  7 4 5  6 1 3
-
-7 5 2  9 3 1  4 8 6
-9 1 4  6 8 7  2 3 5
-6 8 3  2 5 4  1 9 7
-
-RATING: 2.75
-DATA:
-{"puzzle":[4,null,null,null,7,null,null,null,null,null,null,8,null,1,null,6,0,null,null,null,null,8,4,null,null,null,2,null,null,1,null,null,null,2,null,null,5,null,null,null,6,null,1,null,null,null,null,null,null,null,4,null,5,3,0,null,null,null,null,null,7,null,null,7,null,null,null,null,3,null,null,null,null,6,null,null,null,null,5,3,null],"solution":[4,0,2,3,7,6,8,1,5,3,7,8,5,1,2,6,0,4,1,5,6,8,4,0,3,7,2,8,4,1,0,3,5,2,6,7,5,3,0,2,6,7,1,4,8,6,2,7,1,8,4,0,5,3,0,8,3,4,5,1,7,2,6,7,1,5,6,2,3,4,8,0,2,6,4,7,0,8,5,3,1]}
-PUZZLE:
-5 _ _  _ 8 _  _ _ _
-_ _ 9  _ 2 _  7 1 _
-_ _ _  9 5 _  _ _ 3
-
-_ _ 2  _ _ _  3 _ _
-6 _ _  _ 7 _  2 _ _
-_ _ _  _ _ 5  _ 6 4
-
-1 _ _  _ _ _  8 _ _
-8 _ _  _ _ 4  _ _ _
-_ 7 _  _ _ _  6 4 _
-
-SOLUTION:
-5 1 3  4 8 7  9 2 6
-4 8 9  6 2 3  7 1 5
-2 6 7  9 5 1  4 8 3
-
-9 5 2  1 4 6  3 7 8
-6 4 1  3 7 8  2 5 9
-7 3 8  2 9 5  1 6 4
-
-1 9 4  5 6 2  8 3 7
-8 2 6  7 3 4  5 9 1
-3 7 5  8 1 9  6 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,null,null,1,2,6,8,null,null,null,6,2,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,7,8,2,3,null,null,null,null,null,null,0,null,null,null,5,null,null,4,null,null,null,null,1,null,3,4,null,5,null,null,6,null,1,5,null,2,null,null,null,null,7,3,null,null,null,null,null,null,null,null,null],"solution":[7,3,5,0,4,1,2,6,8,1,0,8,6,2,7,5,3,4,4,2,6,8,3,5,1,0,7,0,5,1,7,8,2,3,4,6,2,6,3,1,0,4,7,8,5,8,7,4,3,5,6,0,1,2,3,4,0,5,7,8,6,2,1,5,1,2,4,6,0,8,7,3,6,8,7,2,1,3,4,5,0]}
-PUZZLE:
-8 _ _  _ _ 2  3 7 9
-_ _ _  7 3 _  _ _ _
-_ _ _  _ _ 6  _ _ _
-
-_ _ _  8 9 3  4 _ _
-_ _ _  _ 1 _  _ _ 6
-_ _ 5  _ _ _  _ 2 _
-
-4 5 _  6 _ _  7 _ 2
-6 _ 3  _ _ _  _ 8 4
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 4 6  1 5 2  3 7 9
-2 1 9  7 3 8  6 4 5
-5 3 7  9 4 6  2 1 8
-
-1 6 2  8 9 3  4 5 7
-3 7 4  2 1 5  8 9 6
-9 8 5  4 6 7  1 2 3
-
-4 5 1  6 8 9  7 3 2
-6 2 3  5 7 1  9 8 4
-7 9 8  3 2 4  5 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,null,1,6,null,0,null,7,1,null,null,4,3,null,null,null,0,null,null,null,null,null,6,null,null,null,null,1,null,null,2,null,null,8,null,null,7,null,null,0,2,5,null,null,null,null,null,null,null,null,null,6,null,null,4,null,null,null,null,null,null,3,6,null,null,null,null,null,2,null,null,5,null,4,null,null,null,null,null],"solution":[5,8,3,2,1,6,7,0,4,7,1,6,0,4,3,5,8,2,0,4,2,8,5,7,6,1,3,6,0,1,5,7,2,3,4,8,4,3,7,6,8,0,2,5,1,8,2,5,1,3,4,0,7,6,1,7,4,3,2,5,8,6,0,3,6,8,7,0,1,4,2,5,2,5,0,4,6,8,1,3,7]}
-PUZZLE:
-_ _ 4  _ 2 7  _ 1 _
-8 2 _  _ 5 4  _ _ _
-1 _ _  _ _ _  7 _ _
-
-_ _ 2  _ _ 3  _ _ 9
-_ _ 8  _ _ 1  3 6 _
-_ _ _  _ _ _  _ _ 7
-
-_ _ 5  _ _ _  _ _ _
-4 7 _  _ _ _  _ 3 _
-_ 6 _  5 _ _  _ _ _
-
-SOLUTION:
-6 9 4  3 2 7  8 1 5
-8 2 7  1 5 4  6 9 3
-1 5 3  9 6 8  7 2 4
-
-7 1 2  6 8 3  4 5 9
-5 4 8  7 9 1  3 6 2
-9 3 6  2 4 5  1 8 7
-
-2 8 5  4 3 6  9 7 1
-4 7 9  8 1 2  5 3 6
-3 6 1  5 7 9  2 4 8
-
-RATING: 3.75
-DATA:
-{"puzzle":[3,null,null,null,null,2,6,null,null,null,5,null,null,0,null,null,null,null,7,null,null,null,null,1,8,null,null,null,null,null,2,null,null,0,3,5,null,null,5,null,null,null,null,null,null,null,null,null,7,8,null,null,null,null,null,4,3,null,7,null,null,null,8,null,6,null,null,null,null,2,null,3,null,null,null,4,null,null,5,null,null],"solution":[3,1,4,8,5,2,6,7,0,8,5,2,6,0,7,3,1,4,7,0,6,3,4,1,8,5,2,1,7,8,2,6,4,0,3,5,4,2,5,1,3,0,7,8,6,6,3,0,7,8,5,4,2,1,2,4,3,5,7,6,1,0,8,5,6,7,0,1,8,2,4,3,0,8,1,4,2,3,5,6,7]}
-PUZZLE:
-4 _ _  _ _ 3  7 _ _
-_ 6 _  _ 1 _  _ _ _
-8 _ _  _ _ 2  9 _ _
-
-_ _ _  3 _ _  1 4 6
-_ _ 6  _ _ _  _ _ _
-_ _ _  8 9 _  _ _ _
-
-_ 5 4  _ 8 _  _ _ 9
-_ 7 _  _ _ _  3 _ 4
-_ _ _  5 _ _  6 _ _
-
-SOLUTION:
-4 2 5  9 6 3  7 8 1
-9 6 3  7 1 8  4 2 5
-8 1 7  4 5 2  9 6 3
-
-2 8 9  3 7 5  1 4 6
-5 3 6  2 4 1  8 9 7
-7 4 1  8 9 6  5 3 2
-
-3 5 4  6 8 7  2 1 9
-6 7 8  1 2 9  3 5 4
-1 9 2  5 3 4  6 7 8
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,null,null,6,null,null,null,7,null,2,5,null,null,null,null,null,null,null,null,null,null,3,null,6,8,null,1,null,null,null,null,6,7,null,null,null,0,null,null,null,null,3,null,2,null,null,null,null,0,5,null,null,null,null,4,null,6,null,null,null,5,null,3,null,null,null,8,4,null,null,null,null,null,null,0,7,null,null,null],"solution":[8,0,3,2,4,6,1,5,7,7,6,2,5,8,1,0,4,3,4,5,1,0,7,3,2,6,8,3,1,5,8,2,4,6,7,0,6,4,0,7,1,5,8,3,2,2,7,8,6,3,0,5,1,4,1,8,4,3,6,2,7,0,5,0,3,7,1,5,8,4,2,6,5,2,6,4,0,7,3,8,1]}
-PUZZLE:
-9 _ _  _ _ 7  _ _ _
-8 _ 3  6 _ _  _ _ _
-_ _ _  _ _ 4  _ 7 9
-
-_ 2 _  _ _ _  7 8 _
-_ _ 1  _ _ _  _ 4 _
-3 _ _  _ _ 1  6 _ _
-
-_ _ 5  _ 7 _  _ _ 6
-_ 4 _  _ _ 9  5 _ _
-_ _ _  _ 1 8  _ _ _
-
-SOLUTION:
-9 1 4  3 5 7  2 6 8
-8 7 3  6 9 2  1 5 4
-5 6 2  1 8 4  3 7 9
-
-4 2 6  9 3 5  7 8 1
-7 5 1  8 2 6  9 4 3
-3 8 9  7 4 1  6 2 5
-
-2 9 5  4 7 3  8 1 6
-1 4 8  2 6 9  5 3 7
-6 3 7  5 1 8  4 9 2
-
-RATING: 3.75
-DATA:
-{"puzzle":[7,6,null,null,null,1,null,null,null,null,3,null,null,null,null,0,4,null,null,null,null,null,null,null,null,7,2,null,null,null,0,null,7,8,null,6,6,8,null,null,null,null,5,null,null,null,null,2,null,null,null,null,null,null,null,null,null,4,1,null,null,null,null,null,1,0,8,null,null,2,3,null,null,2,null,null,null,null,null,null,null],"solution":[7,6,4,2,0,1,3,5,8,2,3,5,7,6,8,0,4,1,1,0,8,5,4,3,6,7,2,5,4,1,0,3,7,8,2,6,6,8,3,1,2,4,5,0,7,0,7,2,6,8,5,4,1,3,3,5,6,4,1,2,7,8,0,4,1,0,8,7,6,2,3,5,8,2,7,3,5,0,1,6,4]}
-PUZZLE:
-8 7 _  _ _ 2  _ _ _
-_ 4 _  _ _ _  1 5 _
-_ _ _  _ _ _  _ 8 3
-
-_ _ _  1 _ 8  9 _ 7
-7 9 _  _ _ _  6 _ _
-_ _ 3  _ _ _  _ _ _
-
-_ _ _  5 2 _  _ _ _
-_ 2 1  9 _ _  3 4 _
-_ 3 _  _ _ _  _ _ _
-
-SOLUTION:
-8 7 5  3 1 2  4 6 9
-3 4 6  8 7 9  1 5 2
-2 1 9  6 5 4  7 8 3
-
-6 5 2  1 4 8  9 3 7
-7 9 4  2 3 5  6 1 8
-1 8 3  7 9 6  5 2 4
-
-4 6 7  5 2 3  8 9 1
-5 2 1  9 8 7  3 4 6
-9 3 8  4 6 1  2 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,6,7,null,null,5,2,null,null,null,null,null,null,3,null,null,5,null,null,null,null,null,1,8,null,null,3,null,0,6,5,null,null,null,null,null,7,null,null,null,null,null,5,null,null,null,null,null,8,null,2,null,null,null,4,null,null,3,null,null,null,2,7,null,null,null,null,null,0,null,null,null,null,null,1,null,7,null],"solution":[4,3,1,8,6,7,0,2,5,2,6,8,5,1,0,7,3,4,7,5,0,3,2,4,6,1,8,8,1,3,2,0,6,5,4,7,0,4,2,7,8,5,1,6,3,5,7,6,1,4,3,8,0,2,6,0,5,4,7,2,3,8,1,1,2,7,6,3,8,4,5,0,3,8,4,0,5,1,2,7,6]}
-PUZZLE:
-_ _ _  _ 7 8  _ _ 6
-3 _ _  _ _ _  _ 4 _
-_ 6 _  _ _ _  _ 2 9
-
-_ _ 4  _ 1 7  6 _ _
-_ _ _  8 _ _  _ _ _
-6 _ _  _ _ _  9 _ 3
-
-_ _ _  5 _ _  4 _ _
-_ 3 8  _ _ _  _ _ 1
-_ _ _  _ _ 2  _ 8 _
-
-SOLUTION:
-5 4 2  9 7 8  1 3 6
-3 7 9  6 2 1  8 4 5
-8 6 1  4 3 5  7 2 9
-
-9 2 4  3 1 7  6 5 8
-1 5 3  8 9 6  2 7 4
-6 8 7  2 5 4  9 1 3
-
-7 1 6  5 8 3  4 9 2
-2 3 8  7 4 9  5 6 1
-4 9 5  1 6 2  3 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,null,null,null,5,4,null,8,null,3,6,null,null,null,2,null,null,null,0,null,null,4,8,null,null,null,null,null,null,null,2,null,5,3,null,7,null,4,null,null,null,null,null,6,null,null,null,null,null,null,8,null,3,1,null,7,null,0,null,null,null,null,null,null,1,null,null,null,null,5,null,null,null,8,null,null,null,null,null],"solution":[2,6,7,3,8,1,5,4,0,8,4,3,6,0,5,1,2,7,1,5,0,2,7,4,8,3,6,4,8,1,0,6,2,7,5,3,0,7,5,4,3,8,6,1,2,6,3,2,5,1,7,0,8,4,3,1,4,7,5,0,2,6,8,7,2,8,1,4,6,3,0,5,5,0,6,8,2,3,4,7,1]}
-PUZZLE:
-_ 7 _  _ _ _  6 5 _
-9 _ 4  7 _ _  _ 3 _
-_ _ 1  _ _ 5  9 _ _
-
-_ _ _  _ _ 3  _ 6 4
-_ 8 _  5 _ _  _ _ _
-7 _ _  _ _ _  _ 9 _
-
-4 2 _  8 _ 1  _ _ _
-_ _ _  2 _ _  _ _ 6
-_ _ _  9 _ _  _ _ _
-
-SOLUTION:
-3 7 8  4 9 2  6 5 1
-9 5 4  7 1 6  2 3 8
-2 6 1  3 8 5  9 4 7
-
-5 9 2  1 7 3  8 6 4
-1 8 6  5 4 9  7 2 3
-7 4 3  6 2 8  1 9 5
-
-4 2 5  8 6 1  3 7 9
-8 3 9  2 5 7  4 1 6
-6 1 7  9 3 4  5 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,3,null,1,7,null,null,null,null,null,null,5,null,null,null,null,null,null,0,1,null,3,null,4,4,null,null,3,6,null,null,null,null,0,8,null,null,null,null,null,null,6,null,2,null,null,8,null,null,4,null,null,6,0,1,2,null,null,null,null,1,null,null,5,null,null,null,2,8,null,null,null,null,null,null,7,null,null],"solution":[8,0,6,2,3,4,1,7,5,3,4,1,8,7,5,0,6,2,5,7,2,0,1,6,3,8,4,4,1,5,3,6,2,8,0,7,0,8,7,4,5,1,2,3,6,6,2,3,7,8,0,5,4,1,7,6,0,1,2,8,4,5,3,1,3,4,5,0,7,6,2,8,2,5,8,6,4,3,7,1,0]}
-PUZZLE:
-_ _ _  _ 4 _  2 8 _
-_ _ _  _ _ 6  _ _ _
-_ _ _  1 2 _  4 _ 5
-
-5 _ _  4 7 _  _ _ _
-1 9 _  _ _ _  _ _ 7
-_ 3 _  _ 9 _  _ 5 _
-
-_ 7 1  2 3 _  _ _ _
-2 _ _  6 _ _  _ 3 9
-_ _ _  _ _ _  8 _ _
-
-SOLUTION:
-9 1 7  3 4 5  2 8 6
-4 5 2  9 8 6  1 7 3
-6 8 3  1 2 7  4 9 5
-
-5 2 6  4 7 3  9 1 8
-1 9 8  5 6 2  3 4 7
-7 3 4  8 9 1  6 5 2
-
-8 7 1  2 3 9  5 6 4
-2 4 5  6 1 8  7 3 9
-3 6 9  7 5 4  8 2 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,5,null,8,null,null,null,null,null,6,null,null,4,2,5,1,null,2,null,3,null,null,0,null,6,null,7,null,8,null,null,null,null,null,null,null,null,null,null,6,null,null,0,null,null,null,4,null,null,null,1,null,3,null,null,null,1,null,null,0,4,7,null,null,null,null,null,null,null,null,6,null,null,null,null,null,4,null,null,null],"solution":[0,1,5,7,8,6,4,3,2,8,6,7,3,4,2,5,1,0,2,4,3,5,1,0,7,6,8,7,5,8,0,3,1,6,2,4,1,3,2,4,6,7,8,0,5,6,0,4,2,5,8,1,7,3,3,8,6,1,2,5,0,4,7,4,7,1,8,0,3,2,5,6,5,2,0,6,7,4,3,8,1]}
-PUZZLE:
-_ _ 6  _ 9 _  _ _ _
-_ 7 _  _ 5 3  6 2 _
-3 _ 4  _ _ 1  _ 7 _
-
-8 _ 9  _ _ _  _ _ _
-_ _ _  _ 7 _  _ 1 _
-_ _ 5  _ _ _  2 _ 4
-
-_ _ _  2 _ _  1 5 8
-_ _ _  _ _ _  _ _ 7
-_ _ _  _ _ 5  _ _ _
-
-SOLUTION:
-1 2 6  8 9 7  5 4 3
-9 7 8  4 5 3  6 2 1
-3 5 4  6 2 1  8 7 9
-
-8 6 9  1 4 2  7 3 5
-2 4 3  5 7 8  9 1 6
-7 1 5  3 6 9  2 8 4
-
-4 9 7  2 3 6  1 5 8
-5 8 2  9 1 4  3 6 7
-6 3 1  7 8 5  4 9 2
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,5,null,null,null,null,8,null,6,7,null,null,3,null,1,null,6,null,null,null,0,null,3,null,2,1,5,null,null,4,null,4,null,null,null,null,null,1,null,null,null,4,null,3,2,0,null,null,null,null,null,null,null,null,null,null,2,7,null,null,null,null,null,null,4,null,null],"solution":[1,6,4,5,3,2,8,7,0,7,2,3,0,8,1,5,6,4,0,5,8,4,6,7,2,1,3,8,1,5,6,7,4,3,0,2,3,0,2,1,5,8,7,4,6,4,7,6,2,0,3,1,5,8,5,4,7,3,2,0,6,8,1,6,3,1,8,4,5,0,2,7,2,8,0,7,1,6,4,3,5]}
-PUZZLE:
-_ _ _  _ _ 3  _ _ _
-_ _ _  _ _ _  6 _ _
-_ _ 9  _ 7 8  _ _ 4
-
-_ 2 _  7 _ _  _ 1 _
-4 _ 3  2 6 _  _ 5 _
-5 _ _  _ _ _  2 _ _
-
-_ 5 _  4 3 1  _ _ _
-_ _ _  _ _ _  _ 3 8
-_ _ _  _ _ _  5 _ _
-
-SOLUTION:
-2 7 5  6 4 3  9 8 1
-8 3 4  1 9 2  6 7 5
-1 6 9  5 7 8  3 2 4
-
-9 2 6  7 8 5  4 1 3
-4 1 3  2 6 9  8 5 7
-5 8 7  3 1 4  2 6 9
-
-6 5 8  4 3 1  7 9 2
-7 4 2  9 5 6  1 3 8
-3 9 1  8 2 7  5 4 6
-
-RATING: 1
-DATA:
-{"puzzle":[8,null,null,3,null,4,null,7,null,null,5,null,null,null,null,1,null,null,null,null,null,null,7,6,null,null,null,null,null,null,null,4,null,null,null,null,null,8,4,6,null,0,null,1,null,6,2,null,null,null,null,null,5,null,null,1,8,7,null,5,null,4,null,null,4,null,null,null,null,6,null,null,2,null,null,null,null,null,null,3,null],"solution":[8,6,2,3,1,4,0,7,5,4,5,7,0,8,2,1,6,3,1,0,3,5,7,6,4,2,8,5,3,1,2,4,7,8,0,6,7,8,4,6,5,0,3,1,2,6,2,0,8,3,1,7,5,4,3,1,8,7,6,5,2,4,0,0,4,5,1,2,3,6,8,7,2,7,6,4,0,8,5,3,1]}
-PUZZLE:
-9 _ _  4 _ 5  _ 8 _
-_ 6 _  _ _ _  2 _ _
-_ _ _  _ 8 7  _ _ _
-
-_ _ _  _ 5 _  _ _ _
-_ 9 5  7 _ 1  _ 2 _
-7 3 _  _ _ _  _ 6 _
-
-_ 2 9  8 _ 6  _ 5 _
-_ 5 _  _ _ _  7 _ _
-3 _ _  _ _ _  _ 4 _
-
-SOLUTION:
-9 7 3  4 2 5  1 8 6
-5 6 8  1 9 3  2 7 4
-2 1 4  6 8 7  5 3 9
-
-6 4 2  3 5 8  9 1 7
-8 9 5  7 6 1  4 2 3
-7 3 1  9 4 2  8 6 5
-
-4 2 9  8 7 6  3 5 1
-1 5 6  2 3 4  7 9 8
-3 8 7  5 1 9  6 4 2
-
-RATING: 4
-DATA:
-{"puzzle":[null,null,0,null,null,2,null,null,4,null,null,7,5,null,null,1,null,null,null,null,null,6,null,null,null,null,null,null,4,null,null,null,null,0,null,5,null,null,null,1,3,null,null,null,null,null,0,null,null,6,null,null,7,null,5,7,null,null,null,null,6,0,null,null,3,null,null,null,null,5,null,null,2,null,null,null,null,null,8,null,1],"solution":[6,1,0,3,8,2,7,5,4,8,2,7,5,0,4,1,6,3,4,5,3,6,7,1,2,8,0,3,4,6,7,2,8,0,1,5,7,8,5,1,3,0,4,2,6,1,0,2,4,6,5,3,7,8,5,7,1,8,4,3,6,0,2,0,3,8,2,1,6,5,4,7,2,6,4,0,5,7,8,3,1]}
-PUZZLE:
-_ _ 1  _ _ 3  _ _ 5
-_ _ 8  6 _ _  2 _ _
-_ _ _  7 _ _  _ _ _
-
-_ 5 _  _ _ _  1 _ 6
-_ _ _  2 4 _  _ _ _
-_ 1 _  _ 7 _  _ 8 _
-
-6 8 _  _ _ _  7 1 _
-_ 4 _  _ _ _  6 _ _
-3 _ _  _ _ _  9 _ 2
-
-SOLUTION:
-7 2 1  4 9 3  8 6 5
-9 3 8  6 1 5  2 7 4
-5 6 4  7 8 2  3 9 1
-
-4 5 7  8 3 9  1 2 6
-8 9 6  2 4 1  5 3 7
-2 1 3  5 7 6  4 8 9
-
-6 8 2  9 5 4  7 1 3
-1 4 9  3 2 7  6 5 8
-3 7 5  1 6 8  9 4 2
-
-RATING: 2
-DATA:
-{"puzzle":[6,null,null,null,0,null,null,null,null,null,null,null,null,2,1,null,0,4,7,null,null,3,null,null,null,null,null,8,null,null,7,5,null,null,null,2,null,null,1,null,4,null,null,null,5,0,null,null,null,null,null,null,7,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,8,5,3,5,null,6,null,null,null,null,null,null],"solution":[6,4,2,5,0,7,3,8,1,3,5,8,6,2,1,7,0,4,7,1,0,3,8,4,5,2,6,8,3,4,7,5,6,0,1,2,2,7,1,0,4,8,6,3,5,0,6,5,1,3,2,4,7,8,4,0,3,8,1,5,2,6,7,1,2,7,4,6,0,8,5,3,5,8,6,2,7,3,1,4,0]}
-PUZZLE:
-7 _ _  _ 1 _  _ _ _
-_ _ _  _ 3 2  _ 1 5
-8 _ _  4 _ _  _ _ _
-
-9 _ _  8 6 _  _ _ 3
-_ _ 2  _ 5 _  _ _ 6
-1 _ _  _ _ _  _ 8 _
-
-_ _ _  _ 2 _  _ _ _
-_ _ _  _ _ _  9 6 4
-6 _ 7  _ _ _  _ _ _
-
-SOLUTION:
-7 5 3  6 1 8  4 9 2
-4 6 9  7 3 2  8 1 5
-8 2 1  4 9 5  6 3 7
-
-9 4 5  8 6 7  1 2 3
-3 8 2  1 5 9  7 4 6
-1 7 6  2 4 3  5 8 9
-
-5 1 4  9 2 6  3 7 8
-2 3 8  5 7 1  9 6 4
-6 9 7  3 8 4  2 5 1
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,7,null,null,null,null,null,null,null,8,null,0,null,null,null,null,null,3,5,null,null,4,null,null,6,null,null,7,8,null,null,3,null,null,null,6,null,1,7,5,null,null,null,4,null,null,null,null,null,null,null,1,null,8,null,null,null,6,2,null,null,0,null,null,null,null,null,null,null,null,null,null,0,4,1,null,5,2,null,null],"solution":[1,4,7,5,3,6,8,0,2,2,8,6,0,7,1,4,5,3,3,5,0,2,4,8,7,6,1,4,7,8,6,1,3,0,2,5,6,2,1,7,5,0,3,8,4,0,3,5,8,2,4,6,1,7,8,1,3,4,6,2,5,7,0,5,6,2,3,0,7,1,4,8,7,0,4,1,8,5,2,3,6]}
-PUZZLE:
-_ _ 8  _ _ _  _ _ _
-_ 9 _  1 _ _  _ _ _
-4 6 _  _ 5 _  _ 7 _
-
-_ 8 9  _ _ 4  _ _ _
-7 _ 2  8 6 _  _ _ 5
-_ _ _  _ _ _  _ 2 _
-
-9 _ _  _ 7 3  _ _ 1
-_ _ _  _ _ _  _ _ _
-_ 1 5  2 _ 6  3 _ _
-
-SOLUTION:
-2 5 8  6 4 7  9 1 3
-3 9 7  1 8 2  5 6 4
-4 6 1  3 5 9  8 7 2
-
-5 8 9  7 2 4  1 3 6
-7 3 2  8 6 1  4 9 5
-1 4 6  9 3 5  7 2 8
-
-9 2 4  5 7 3  6 8 1
-6 7 3  4 1 8  2 5 9
-8 1 5  2 9 6  3 4 7
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,null,null,4,2,null,null,null,null,null,null,null,null,null,null,6,null,null,1,0,null,null,null,0,null,7,null,8,null,null,5,null,null,null,3,null,null,null,null,null,null,8,null,null,5,0,null,null,null,3,7,null,null,null,5,null,null,null,6,2,null,0,null,null,null,null,null,null,null,null,null,4,null,1],"solution":[6,8,1,3,0,5,2,7,4,0,4,2,1,7,8,3,6,5,3,7,5,4,6,2,8,1,0,1,3,4,0,5,7,6,8,2,8,5,0,6,2,3,1,4,7,2,6,7,8,1,4,5,0,3,4,2,3,7,8,1,0,5,6,5,1,6,2,4,0,7,3,8,7,0,8,5,3,6,4,2,1]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 _
-_ 5 3  _ _ _  _ _ _
-_ _ _  _ 7 _  _ 2 1
-
-_ _ _  1 _ 8  _ 9 _
-_ 6 _  _ _ 4  _ _ _
-_ _ _  9 _ _  6 1 _
-
-_ _ 4  8 _ _  _ 6 _
-_ _ 7  3 _ 1  _ _ _
-_ _ _  _ _ _  5 _ 2
-
-SOLUTION:
-7 9 2  4 1 6  3 8 5
-1 5 3  2 8 9  4 7 6
-4 8 6  5 7 3  9 2 1
-
-2 4 5  1 6 8  7 9 3
-9 6 1  7 3 4  2 5 8
-3 7 8  9 2 5  6 1 4
-
-5 3 4  8 9 2  1 6 7
-6 2 7  3 5 1  8 4 9
-8 1 9  6 4 7  5 3 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,3,4,null,null,null,7,null,null,null,6,null,7,null,2,5,null,null,null,2,null,null,null,0,null,4,null,null,null,null,null,null,7,null,null,null,6,0,null,null,4,null,3,null,null,1,null,null,8,null,null,null,5,null,null,null,null,null,3,null,null,null,null,null,null,5,null,null,null,null,null,5,null,null,null,null,7,null,0,null],"solution":[0,8,3,4,2,5,1,7,6,1,4,6,0,7,8,2,5,3,7,5,2,1,3,6,0,8,4,8,3,5,2,6,1,7,4,0,2,6,0,7,5,4,8,3,1,4,1,7,3,8,0,6,2,5,6,7,4,8,0,3,5,1,2,3,0,8,5,1,2,4,6,7,5,2,1,6,4,7,3,0,8]}
-PUZZLE:
-_ 9 4  5 _ _  _ 8 _
-_ _ 7  _ 8 _  3 6 _
-_ _ 3  _ _ _  1 _ 5
-
-_ _ _  _ _ _  8 _ _
-_ 7 1  _ _ 5  _ 4 _
-_ 2 _  _ 9 _  _ _ 6
-
-_ _ _  _ _ 4  _ _ _
-_ _ _  6 _ _  _ _ _
-6 _ _  _ _ 8  _ 1 _
-
-SOLUTION:
-1 9 4  5 3 6  2 8 7
-2 5 7  1 8 9  3 6 4
-8 6 3  2 4 7  1 9 5
-
-9 4 6  3 7 2  8 5 1
-3 7 1  8 6 5  9 4 2
-5 2 8  4 9 1  7 3 6
-
-7 8 5  9 1 4  6 2 3
-4 1 9  6 2 3  5 7 8
-6 3 2  7 5 8  4 1 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,7,2,null,null,null,null,null,null,7,null,0,null,null,null,1,null,null,8,1,null,null,null,7,4,1,null,null,8,3,0,null,null,null,null,null,null,6,5,null,null,null,null,null,4,null,null,null,null,null,null,null,null,2,null,null,null,null,null,8,null,null,6,null,null,null,1,3,null,null,null,null,null,null,4,null,0,null,null],"solution":[4,1,3,7,2,5,6,0,8,6,5,7,4,0,8,2,3,1,2,0,8,1,6,3,5,7,4,1,7,5,8,3,0,4,2,6,8,3,2,6,5,4,7,1,0,0,4,6,2,1,7,8,5,3,3,2,4,0,7,6,1,8,5,7,6,0,5,8,1,3,4,2,5,8,1,3,4,2,0,6,7]}
-PUZZLE:
-_ _ 4  8 3 _  _ _ _
-_ _ 8  _ 1 _  _ _ 2
-_ _ 9  2 _ _  _ 8 5
-
-2 _ _  9 4 1  _ _ _
-_ _ _  7 6 _  _ _ _
-_ 5 _  _ _ _  _ _ _
-
-_ 3 _  _ _ _  _ 9 _
-_ 7 _  _ _ 2  4 _ _
-_ _ _  _ 5 _  1 _ _
-
-SOLUTION:
-5 2 4  8 3 6  7 1 9
-7 6 8  5 1 9  3 4 2
-3 1 9  2 7 4  6 8 5
-
-2 8 6  9 4 1  5 3 7
-9 4 3  7 6 5  8 2 1
-1 5 7  3 2 8  9 6 4
-
-4 3 5  1 8 7  2 9 6
-8 7 1  6 9 2  4 5 3
-6 9 2  4 5 3  1 7 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,7,null,null,null,7,6,null,5,2,null,null,2,null,null,null,null,1,0,3,null,4,8,null,null,null,null,3,null,null,null,null,8,3,null,null,null,1,null,3,5,null,null,6,null,null,null,4,null,null,6,8,null,null,null,null,null,8,null,null,2,null,null,null,null,null,null,null,3,5,null,null,7,0],"solution":[8,5,1,2,0,3,6,4,7,3,0,4,7,6,1,5,2,8,7,2,6,5,4,8,1,0,3,2,4,8,0,1,5,7,3,6,0,6,7,8,3,2,4,5,1,1,3,5,4,7,6,0,8,2,4,7,3,6,8,0,2,1,5,5,8,0,1,2,7,3,6,4,6,1,2,3,5,4,8,7,0]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 8
-_ _ _  8 7 _  6 3 _
-_ 3 _  _ _ _  2 1 4
-
-_ 5 9  _ _ _  _ 4 _
-_ _ _  9 4 _  _ _ 2
-_ 4 6  _ _ 7  _ _ _
-
-5 _ _  7 9 _  _ _ _
-_ 9 _  _ 3 _  _ _ _
-_ _ _  4 6 _  _ 8 1
-
-SOLUTION:
-9 6 2  3 1 4  7 5 8
-4 1 5  8 7 2  6 3 9
-8 3 7  6 5 9  2 1 4
-
-3 5 9  1 2 6  8 4 7
-1 7 8  9 4 3  5 6 2
-2 4 6  5 8 7  1 9 3
-
-5 8 4  7 9 1  3 2 6
-6 9 1  2 3 8  4 7 5
-7 2 3  4 6 5  9 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,null,8,null,null,0,1,null,6,4,null,7,null,null,null,null,7,null,null,null,null,null,null,3,null,null,5,null,null,null,null,null,null,null,null,null,0,null,null,null,4,null,null,1,null,3,7,6,null,0,5,null,null,null,null,null,null,null,null,null,null,null,7,null,6,null,8,null,1,4,null,null,null,null,3,null,null],"solution":[6,2,5,1,7,0,8,4,3,0,1,3,6,4,8,7,5,2,4,8,7,2,5,3,0,1,6,3,0,4,5,6,2,1,7,8,7,6,2,8,0,1,5,3,4,8,5,1,4,3,7,6,2,0,5,7,6,3,8,4,2,0,1,2,3,0,7,1,6,4,8,5,1,4,8,0,2,5,3,6,7]}
-PUZZLE:
-_ _ _  2 _ _  9 _ _
-1 2 _  7 5 _  8 _ _
-_ _ 8  _ _ _  _ _ _
-
-4 _ _  6 _ _  _ _ _
-_ _ _  _ 1 _  _ _ 5
-_ _ 2  _ 4 8  7 _ 1
-
-6 _ _  _ _ _  _ _ _
-_ _ _  8 _ 7  _ 9 _
-2 5 _  _ _ _  4 _ _
-
-SOLUTION:
-7 3 6  2 8 1  9 5 4
-1 2 4  7 5 9  8 6 3
-5 9 8  3 6 4  1 2 7
-
-4 1 5  6 7 3  2 8 9
-8 7 3  9 1 2  6 4 5
-9 6 2  5 4 8  7 3 1
-
-6 8 7  4 9 5  3 1 2
-3 4 1  8 2 7  5 9 6
-2 5 9  1 3 6  4 7 8
-
-RATING: 4.25
-DATA:
-{"puzzle":[2,null,null,null,null,4,null,null,null,null,null,null,7,null,5,8,null,null,null,null,8,null,null,null,null,6,null,3,null,0,null,null,null,4,null,null,7,4,null,null,null,8,null,0,null,8,null,null,0,null,null,6,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,3,null,8,4,null,1,null,null,null,null,2,null,null],"solution":[2,3,5,6,8,4,0,1,7,1,0,6,7,3,5,8,4,2,4,7,8,1,2,0,3,6,5,3,6,0,2,5,1,4,7,8,7,4,2,3,6,8,5,0,1,8,5,1,0,4,7,6,2,3,0,8,3,4,1,2,7,5,6,6,2,7,5,0,3,1,8,4,5,1,4,8,7,6,2,3,0]}
-PUZZLE:
-3 _ _  _ _ 5  _ _ _
-_ _ _  8 _ 6  9 _ _
-_ _ 9  _ _ _  _ 7 _
-
-4 _ 1  _ _ _  5 _ _
-8 5 _  _ _ 9  _ 1 _
-9 _ _  1 _ _  7 _ _
-
-_ _ _  _ 2 _  _ _ _
-_ _ _  _ _ 4  _ 9 5
-_ 2 _  _ _ _  3 _ _
-
-SOLUTION:
-3 4 6  7 9 5  1 2 8
-2 1 7  8 4 6  9 5 3
-5 8 9  2 3 1  4 7 6
-
-4 7 1  3 6 2  5 8 9
-8 5 3  4 7 9  6 1 2
-9 6 2  1 5 8  7 3 4
-
-1 9 4  5 2 3  8 6 7
-7 3 8  6 1 4  2 9 5
-6 2 5  9 8 7  3 4 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,1,null,6,8,null,2,null,null,8,null,5,null,7,null,null,null,null,null,4,0,null,3,2,null,null,4,null,null,null,null,null,7,null,7,5,4,null,6,null,null,null,null,1,null,null,5,null,null,null,null,8,null,null,1,null,null,null,6,null,5,null,null,null,null,null,3,2,null,null,null,3,null,null,null,null,null,8],"solution":[4,5,7,3,1,2,6,8,0,2,3,0,8,6,5,4,7,1,1,8,6,7,4,0,5,3,2,6,2,4,0,3,1,8,5,7,0,7,5,4,8,6,2,1,3,3,1,8,2,5,7,0,4,6,8,4,2,1,0,3,7,6,5,5,0,1,6,7,8,3,2,4,7,6,3,5,2,4,1,0,8]}
-PUZZLE:
-_ _ _  _ 2 _  7 9 _
-3 _ _  9 _ 6  _ 8 _
-_ _ _  _ 5 1  _ 4 3
-
-_ _ 5  _ _ _  _ _ 8
-_ 8 6  5 _ 7  _ _ _
-_ 2 _  _ 6 _  _ _ _
-
-9 _ _  2 _ _  _ 7 _
-6 _ _  _ _ _  4 3 _
-_ _ 4  _ _ _  _ _ 9
-
-SOLUTION:
-5 6 8  4 2 3  7 9 1
-3 4 1  9 7 6  5 8 2
-2 9 7  8 5 1  6 4 3
-
-7 3 5  1 4 2  9 6 8
-1 8 6  5 9 7  3 2 4
-4 2 9  3 6 8  1 5 7
-
-9 5 3  2 1 4  8 7 6
-6 1 2  7 8 9  4 3 5
-8 7 4  6 3 5  2 1 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[2,null,3,null,null,null,0,null,1,null,null,null,null,null,0,null,7,null,null,null,null,8,null,2,null,null,null,null,0,null,3,null,5,null,null,null,7,null,null,1,null,null,6,null,8,null,null,null,null,8,null,null,null,null,null,3,null,null,5,null,2,null,null,null,null,4,null,null,null,null,null,null,1,null,6,null,null,null,4,null,null],"solution":[2,6,3,5,4,7,0,8,1,4,8,5,6,1,0,3,7,2,0,1,7,8,3,2,5,4,6,6,0,8,3,7,5,1,2,4,7,5,2,1,0,4,6,3,8,3,4,1,2,8,6,7,0,5,8,3,0,4,5,1,2,6,7,5,2,4,7,6,3,8,1,0,1,7,6,0,2,8,4,5,3]}
-PUZZLE:
-3 _ 4  _ _ _  1 _ 2
-_ _ _  _ _ 1  _ 8 _
-_ _ _  9 _ 3  _ _ _
-
-_ 1 _  4 _ 6  _ _ _
-8 _ _  2 _ _  7 _ 9
-_ _ _  _ 9 _  _ _ _
-
-_ 4 _  _ 6 _  3 _ _
-_ _ 5  _ _ _  _ _ _
-2 _ 7  _ _ _  5 _ _
-
-SOLUTION:
-3 7 4  6 5 8  1 9 2
-5 9 6  7 2 1  4 8 3
-1 2 8  9 4 3  6 5 7
-
-7 1 9  4 8 6  2 3 5
-8 6 3  2 1 5  7 4 9
-4 5 2  3 9 7  8 1 6
-
-9 4 1  5 6 2  3 7 8
-6 3 5  8 7 4  9 2 1
-2 8 7  1 3 9  5 6 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[0,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,6,7,3,null,null,null,null,null,null,8,null,null,null,null,null,null,4,null,null,0,null,7,3,7,3,null,null,null,5,null,null,0,null,1,null,null,4,null,null,null,6,5,8,6,null,0,null,null,null,null,null,null,3,null,null,null,null,null,8],"solution":[0,7,1,2,3,4,6,8,5,3,6,2,8,5,1,0,4,7,8,4,5,0,6,7,3,1,2,6,2,0,7,8,3,4,5,1,1,5,4,6,2,0,8,7,3,7,3,8,4,1,5,2,6,0,2,1,7,3,4,8,5,0,6,5,8,6,1,0,2,7,3,4,4,0,3,5,7,6,1,2,8]}
-PUZZLE:
-1 _ 2  _ _ _  _ _ _
-_ _ _  _ _ _  _ 5 _
-_ _ _  _ 7 8  4 _ _
-
-_ _ _  _ 9 _  _ _ _
-_ _ 5  _ _ 1  _ 8 4
-8 4 _  _ _ 6  _ _ 1
-
-_ 2 _  _ 5 _  _ _ 7
-6 9 7  _ 1 _  _ _ _
-_ _ 4  _ _ _  _ _ 9
-
-SOLUTION:
-1 8 2  3 4 5  7 9 6
-4 7 3  9 6 2  1 5 8
-9 5 6  1 7 8  4 2 3
-
-7 3 1  8 9 4  5 6 2
-2 6 5  7 3 1  9 8 4
-8 4 9  5 2 6  3 7 1
-
-3 2 8  4 5 9  6 1 7
-6 9 7  2 1 3  8 4 5
-5 1 4  6 8 7  2 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,null,5,null,0,null,null,1,2,null,null,null,null,3,5,null,null,null,null,6,null,null,8,null,null,null,3,null,null,null,0,null,null,null,null,7,null,4,null,null,null,1,0,null,null,3,null,null,7,null,null,null,null,0,null,8,null,null,6,null,8,2,5,null,null,null,null,null,null,null,null,null,4,null,null],"solution":[2,7,4,3,0,6,8,1,5,8,0,6,5,1,2,7,3,4,1,3,5,7,8,4,2,6,0,6,8,7,2,4,3,0,5,1,0,2,3,1,5,7,6,4,8,5,4,1,0,6,8,3,2,7,7,1,2,4,3,0,5,8,6,4,6,0,8,2,5,1,7,3,3,5,8,6,7,1,4,0,2]}
-PUZZLE:
-_ _ 5  _ _ _  _ _ 6
-_ 1 _  _ 2 3  _ _ _
-_ 4 6  _ _ _  _ 7 _
-
-_ 9 _  _ _ 4  _ _ _
-1 _ _  _ _ 8  _ 5 _
-_ _ 2  1 _ _  4 _ _
-
-8 _ _  _ _ 1  _ 9 _
-_ 7 _  9 3 6  _ _ _
-_ _ _  _ _ _  5 _ _
-
-SOLUTION:
-3 8 5  4 1 7  9 2 6
-9 1 7  6 2 3  8 4 5
-2 4 6  8 9 5  3 7 1
-
-7 9 8  3 5 4  1 6 2
-1 3 4  2 6 8  7 5 9
-6 5 2  1 7 9  4 3 8
-
-8 2 3  5 4 1  6 9 7
-5 7 1  9 3 6  2 8 4
-4 6 9  7 8 2  5 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,1,null,null,0,null,6,null,null,null,null,null,null,null,null,null,7,null,null,null,null,3,7,1,8,null,6,null,null,8,7,null,null,null,null,null,5,null,null,null,null,null,null,null,null,3,null,null,4,null,2,null,null,null,1,0,null,null,null,null,null,null,7,null,6,4,null,null,null,null,8,null,4,null,null,6,null,null,null,1],"solution":[2,7,1,5,8,0,4,6,3,5,8,3,6,1,4,0,2,7,0,6,4,2,3,7,1,8,5,6,0,2,8,7,3,5,1,4,4,5,7,1,2,6,8,3,0,1,3,8,0,4,5,2,7,6,3,1,0,7,5,8,6,4,2,7,2,6,4,0,1,3,5,8,8,4,5,3,6,2,7,0,1]}
-PUZZLE:
-3 _ 2  _ _ 1  _ 7 _
-_ _ _  _ _ _  _ _ 8
-_ _ _  _ 4 8  2 9 _
-
-7 _ _  9 8 _  _ _ _
-_ 6 _  _ _ _  _ _ _
-_ 4 _  _ 5 _  3 _ _
-
-_ 2 1  _ _ _  _ _ _
-8 _ 7  5 _ _  _ _ 9
-_ 5 _  _ 7 _  _ _ 2
-
-SOLUTION:
-3 8 2  6 9 1  5 7 4
-6 9 4  7 2 5  1 3 8
-1 7 5  3 4 8  2 9 6
-
-7 1 3  9 8 4  6 2 5
-5 6 8  2 3 7  9 4 1
-2 4 9  1 5 6  3 8 7
-
-4 2 1  8 6 9  7 5 3
-8 3 7  5 1 2  4 6 9
-9 5 6  4 7 3  8 1 2
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,null,1,2,null,null,null,null,null,2,null,null,null,null,null,7,null,null,7,6,null,null,null,null,null,0,null,null,null,null,null,null,null,3,null,null,6,null,null,1,null,null,8,null,null,null,null,null,5,1,7,null,null,2,1,null,null,null,8,null,null,null,null,5,null,null,4,0,null,null,null,null,4,2,3,null,null,1,null],"solution":[8,3,0,7,1,2,5,4,6,1,6,2,5,4,0,3,8,7,4,5,7,6,8,3,2,0,1,0,1,8,4,2,7,6,5,3,5,7,6,3,0,1,4,2,8,2,4,3,8,6,5,1,7,0,7,2,1,0,5,6,8,3,4,3,8,5,1,7,4,0,6,2,6,0,4,2,3,8,7,1,5]}
-PUZZLE:
-9 _ _  _ 2 3  _ _ _
-_ _ 3  _ _ _  _ _ 8
-_ _ 8  7 _ _  _ _ _
-
-1 _ _  _ _ _  _ _ 4
-_ _ 7  _ _ 2  _ _ 9
-_ _ _  _ _ 6  2 8 _
-
-_ 3 2  _ _ _  9 _ _
-_ _ 6  _ _ 5  1 _ _
-_ _ 5  3 4 _  _ 2 _
-
-SOLUTION:
-9 4 1  8 2 3  6 5 7
-2 7 3  6 5 1  4 9 8
-5 6 8  7 9 4  3 1 2
-
-1 2 9  5 3 8  7 6 4
-6 8 7  4 1 2  5 3 9
-3 5 4  9 7 6  2 8 1
-
-8 3 2  1 6 7  9 4 5
-4 9 6  2 8 5  1 7 3
-7 1 5  3 4 9  8 2 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,7,null,null,null,6,null,8,5,null,null,null,null,null,null,3,null,0,1,2,null,null,null,2,null,5,3,null,null,null,4,null,null,7,null,null,null,null,null,8,null,null,null,1,null,7,null,null,null,6,null,null,null,null,null,null,3,null,0,5,null,null,null,2,null,1,null,null,0,null,null,null,5,null,null,null,null],"solution":[1,5,0,6,8,7,4,3,2,6,2,8,5,3,4,0,1,7,7,3,4,0,1,2,8,6,5,2,0,5,3,6,8,7,4,1,4,7,6,2,0,1,5,8,3,3,8,1,4,7,5,2,0,6,8,1,2,7,4,6,3,5,0,5,6,3,8,2,0,1,7,4,0,4,7,1,5,3,6,2,8]}
-PUZZLE:
-_ _ _  _ 9 8  _ _ _
-7 _ 9  6 _ _  _ _ _
-_ 4 _  1 2 3  _ _ _
-
-3 _ 6  4 _ _  _ 5 _
-_ 8 _  _ _ _  _ 9 _
-_ _ 2  _ 8 _  _ _ 7
-
-_ _ _  _ _ _  4 _ 1
-6 _ _  _ 3 _  2 _ _
-1 _ _  _ 6 _  _ _ _
-
-SOLUTION:
-2 6 1  7 9 8  5 4 3
-7 3 9  6 4 5  1 2 8
-8 4 5  1 2 3  9 7 6
-
-3 1 6  4 7 9  8 5 2
-5 8 7  3 1 2  6 9 4
-4 9 2  5 8 6  3 1 7
-
-9 2 3  8 5 7  4 6 1
-6 7 4  9 3 1  2 8 5
-1 5 8  2 6 4  7 3 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[4,null,null,null,null,null,8,null,null,7,null,null,null,6,1,2,null,null,null,null,6,null,8,null,null,null,0,null,6,null,7,null,null,1,null,null,3,2,null,null,null,null,null,null,null,null,null,8,null,null,4,null,null,5,null,4,null,null,null,5,null,null,7,null,null,null,null,null,3,6,null,null,null,null,5,null,2,null,null,null,null],"solution":[4,5,2,3,7,0,8,1,6,7,8,0,5,6,1,2,3,4,1,3,6,4,8,2,5,7,0,5,6,4,7,0,8,1,2,3,3,2,7,1,5,6,4,0,8,0,1,8,2,3,4,7,6,5,2,4,3,6,1,5,0,8,7,8,7,1,0,4,3,6,5,2,6,0,5,8,2,7,3,4,1]}
-PUZZLE:
-5 _ _  _ _ _  9 _ _
-8 _ _  _ 7 2  3 _ _
-_ _ 7  _ 9 _  _ _ 1
-
-_ 7 _  8 _ _  2 _ _
-4 3 _  _ _ _  _ _ _
-_ _ 9  _ _ 5  _ _ 6
-
-_ 5 _  _ _ 6  _ _ 8
-_ _ _  _ _ 4  7 _ _
-_ _ 6  _ 3 _  _ _ _
-
-SOLUTION:
-5 6 3  4 8 1  9 2 7
-8 9 1  6 7 2  3 4 5
-2 4 7  5 9 3  6 8 1
-
-6 7 5  8 1 9  2 3 4
-4 3 8  2 6 7  5 1 9
-1 2 9  3 4 5  8 7 6
-
-3 5 4  7 2 6  1 9 8
-9 8 2  1 5 4  7 6 3
-7 1 6  9 3 8  4 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,2,8,null,null,null,null,null,0,null,null,null,1,1,null,null,null,8,null,0,null,7,8,null,null,null,null,null,null,6,null,4,null,null,8,null,null,null,7,0,null,2,null,0,4,null,null,null,null,null,3,null,6,null,null,null,null,null,null,4,null,3,1,null,8,null,null,2,null,null,null,null,null,null,null,4],"solution":[5,0,4,1,7,6,2,8,3,3,8,7,2,0,5,6,4,1,1,6,2,4,8,3,0,5,7,8,7,0,5,3,1,4,6,2,4,5,3,8,6,2,1,7,0,6,2,1,0,4,7,5,3,8,0,3,8,6,2,4,7,1,5,7,4,5,3,1,0,8,2,6,2,1,6,7,5,8,3,0,4]}
-PUZZLE:
-_ _ _  _ _ _  3 9 _
-_ _ _  _ 1 _  _ _ 2
-2 _ _  _ 9 _  1 _ 8
-
-9 _ _  _ _ _  _ 7 _
-5 _ _  9 _ _  _ 8 1
-_ 3 _  1 5 _  _ _ _
-
-_ 4 _  7 _ _  _ _ _
-_ 5 _  4 2 _  9 _ _
-3 _ _  _ _ _  _ _ 5
-
-SOLUTION:
-6 1 5  2 8 7  3 9 4
-4 9 8  3 1 6  7 5 2
-2 7 3  5 9 4  1 6 8
-
-9 8 1  6 4 2  5 7 3
-5 6 4  9 7 3  2 8 1
-7 3 2  1 5 8  6 4 9
-
-1 4 9  7 3 5  8 2 6
-8 5 6  4 2 1  9 3 7
-3 2 7  8 6 9  4 1 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,null,null,null,null,5,null,null,null,0,6,null,4,null,null,null,6,null,null,1,3,null,null,null,null,null,null,null,null,4,null,3,4,0,5,null,null,null,null,null,null,null,6,null,null,null,null,2,null,null,7,null,null,null,null,null,5,8,null,null,null,4,0,2,null,null,null,1,null,null,null,null,null,null,null],"solution":[3,6,1,7,0,5,4,2,8,2,8,5,4,1,3,0,6,7,4,7,0,2,6,8,5,1,3,5,2,6,3,8,1,7,0,4,7,3,4,0,5,2,6,8,1,1,0,8,6,7,4,3,5,2,0,4,7,8,2,6,1,3,5,8,5,3,1,4,0,2,7,6,6,1,2,5,3,7,8,4,0]}
-PUZZLE:
-_ _ _  8 _ _  _ _ _
-_ _ 6  _ _ _  1 7 _
-5 _ _  _ 7 _  _ 2 4
-
-_ _ _  _ _ _  _ _ 5
-_ 4 5  1 6 _  _ _ _
-_ _ _  7 _ _  _ _ 3
-
-_ _ 8  _ _ _  _ _ 6
-9 _ _  _ 5 1  3 _ _
-_ 2 _  _ _ _  _ _ _
-
-SOLUTION:
-4 7 2  8 1 6  5 3 9
-3 9 6  5 2 4  1 7 8
-5 8 1  3 7 9  6 2 4
-
-6 3 7  4 9 2  8 1 5
-8 4 5  1 6 3  7 9 2
-2 1 9  7 8 5  4 6 3
-
-1 5 8  9 3 7  2 4 6
-9 6 4  2 5 1  3 8 7
-7 2 3  6 4 8  9 5 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,3,null,null,null,4,null,5,2,0,null,null,null,8,null,null,null,7,null,null,1,null,null,null,null,null,null,6,null,3,null,null,null,null,0,null,5,4,null,0,7,null,null,null,8,null,null,null,null,5,1,null,null,null,null,null,null,2,null,0,null,null,null,3,null,null,null,null,8,null,2,1,null],"solution":[0,4,1,2,7,5,3,6,8,3,8,7,6,4,1,5,2,0,6,2,5,8,3,0,4,7,1,2,1,8,0,5,4,7,3,6,7,3,6,1,2,8,0,4,5,4,5,0,7,6,3,1,8,2,8,7,3,5,1,2,6,0,4,1,6,2,4,0,7,8,5,3,5,0,4,3,8,6,2,1,7]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-4 _ _  _ 5 _  6 3 1
-_ _ _  9 _ _  _ 8 _
-
-_ 2 _  _ _ _  _ _ 7
-_ 4 _  _ _ _  1 _ 6
-5 _ 1  8 _ _  _ 9 _
-
-_ _ _  6 2 _  _ _ _
-_ _ 3  _ 1 _  _ _ 4
-_ _ _  _ 9 _  3 2 _
-
-SOLUTION:
-1 5 2  3 8 6  4 7 9
-4 9 8  7 5 2  6 3 1
-7 3 6  9 4 1  5 8 2
-
-3 2 9  1 6 5  8 4 7
-8 4 7  2 3 9  1 5 6
-5 6 1  8 7 4  2 9 3
-
-9 8 4  6 2 3  7 1 5
-2 7 3  5 1 8  9 6 4
-6 1 5  4 9 7  3 2 8
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,3,null,7,0,null,null,null,null,null,null,1,null,null,null,null,null,null,0,null,null,8,null,null,null,null,null,null,null,null,null,6,2,3,null,1,null,null,8,3,null,1,null,null,2,null,null,null,null,null,null,0,null,5,1,2,null,null,1,null,null,null,null,null,8,7,null,null,3,6,null,8,null,0,null],"solution":[6,2,4,1,0,7,8,3,5,7,0,5,8,3,6,2,4,1,1,3,8,2,5,4,0,7,6,8,4,7,5,6,0,3,1,2,0,6,2,3,4,1,7,5,8,3,5,1,7,8,2,4,6,0,4,8,6,0,7,5,1,2,3,5,1,0,4,2,3,6,8,7,2,7,3,6,1,8,5,0,4]}
-PUZZLE:
-_ _ 5  _ _ _  _ 4 _
-8 1 _  _ _ _  _ _ 2
-_ _ _  _ _ _  1 _ _
-
-9 _ _  _ _ _  _ _ _
-_ 7 3  4 _ 2  _ _ 9
-4 _ 2  _ _ 3  _ _ _
-
-_ _ _  1 _ 6  2 3 _
-_ 2 _  _ _ _  _ 9 8
-_ _ 4  7 _ 9  _ 1 _
-
-SOLUTION:
-7 3 5  2 1 8  9 4 6
-8 1 6  9 4 7  3 5 2
-2 4 9  3 6 5  1 8 7
-
-9 5 8  6 7 1  4 2 3
-1 7 3  4 5 2  8 6 9
-4 6 2  8 9 3  5 7 1
-
-5 9 7  1 8 6  2 3 4
-6 2 1  5 3 4  7 9 8
-3 8 4  7 2 9  6 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,null,null,2,null,null,7,null,null,null,null,null,6,null,3,null,null,null,null,null,null,null,3,null,4,2,5,null,null,null,8,null,null,null,1,3,null,0,4,null,6,null,null,null,null,null,6,null,null,5,null,null,null,null,null,7,null,null,null,null,5,0,null,8,null,null,null,null,null,1,3,null,null,null,null,0,null,8,null,null],"solution":[1,0,3,8,2,4,5,7,6,2,5,4,7,6,1,3,0,8,7,6,8,0,5,3,1,4,2,5,7,2,3,8,0,4,6,1,3,1,0,4,7,6,2,8,5,8,4,6,2,1,5,0,3,7,4,2,7,1,3,8,6,5,0,0,8,5,6,4,2,7,1,3,6,3,1,5,0,7,8,2,4]}
-PUZZLE:
-_ 1 _  _ 3 _  _ 8 _
-_ _ _  _ 7 _  4 _ _
-_ _ _  _ _ 4  _ 5 3
-
-6 _ _  _ 9 _  _ _ 2
-4 _ 1  5 _ 7  _ _ _
-_ _ 7  _ _ 6  _ _ _
-
-_ _ 8  _ _ _  _ 6 1
-_ 9 _  _ _ _  _ 2 4
-_ _ _  _ 1 _  9 _ _
-
-SOLUTION:
-2 1 4  9 3 5  6 8 7
-3 6 5  8 7 2  4 1 9
-8 7 9  1 6 4  2 5 3
-
-6 8 3  4 9 1  5 7 2
-4 2 1  5 8 7  3 9 6
-9 5 7  3 2 6  1 4 8
-
-5 3 8  2 4 9  7 6 1
-1 9 6  7 5 3  8 2 4
-7 4 2  6 1 8  9 3 5
-
-RATING: 6.5
-DATA:
-{"puzzle":[8,null,null,null,4,null,null,5,null,null,null,null,6,null,null,null,null,null,null,null,null,null,0,null,2,null,6,0,1,null,5,null,8,null,null,3,null,2,null,null,null,null,5,null,null,null,null,3,null,7,null,null,null,null,null,0,4,null,null,5,null,null,null,null,null,null,4,null,1,6,7,null,1,null,null,null,null,null,null,null,null],"solution":[8,6,0,1,4,2,3,5,7,2,3,1,6,5,7,0,8,4,7,4,5,8,0,3,2,1,6,0,1,6,5,2,8,7,4,3,4,2,7,3,1,6,5,0,8,5,8,3,0,7,4,1,6,2,6,0,4,7,3,5,8,2,1,3,5,2,4,8,1,6,7,0,1,7,8,2,6,0,4,3,5]}
-PUZZLE:
-9 _ _  _ 5 _  _ 6 _
-_ _ _  7 _ _  _ _ _
-_ _ _  _ 1 _  3 _ 7
-
-1 2 _  6 _ 9  _ _ 4
-_ 3 _  _ _ _  6 _ _
-_ _ 4  _ 8 _  _ _ _
-
-_ 1 5  _ _ 6  _ _ _
-_ _ _  5 _ 2  7 8 _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-9 7 1  2 5 3  4 6 8
-3 4 2  7 6 8  1 9 5
-8 5 6  9 1 4  3 2 7
-
-1 2 7  6 3 9  8 5 4
-5 3 8  4 2 7  6 1 9
-6 9 4  1 8 5  2 7 3
-
-7 1 5  8 4 6  9 3 2
-4 6 3  5 9 2  7 8 1
-2 8 9  3 7 1  5 4 6
-
-RATING: 0
-DATA:
-{"puzzle":[3,7,null,null,null,null,6,null,null,null,null,0,null,6,8,null,null,null,null,8,2,null,0,null,null,null,null,null,4,3,5,null,null,null,2,7,7,null,8,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,4,null,null,null,null,6,null,3,null,null,7,null,null,null,null,6,null,4,2,null,1],"solution":[3,7,4,1,2,5,6,8,0,5,1,0,3,6,8,7,4,2,6,8,2,4,0,7,5,1,3,0,4,3,5,1,6,8,2,7,7,5,8,2,4,3,1,0,6,2,6,1,7,8,0,3,5,4,1,3,7,0,5,2,4,6,8,4,2,6,8,3,1,0,7,5,8,0,5,6,7,4,2,3,1]}
-PUZZLE:
-4 8 _  _ _ _  7 _ _
-_ _ 1  _ 7 9  _ _ _
-_ 9 3  _ 1 _  _ _ _
-
-_ 5 4  6 _ _  _ 3 8
-8 _ 9  _ _ _  _ 1 _
-_ _ _  _ _ _  _ _ _
-
-_ _ _  _ 6 _  5 _ _
-_ _ 7  _ 4 _  _ 8 _
-_ _ _  7 _ 5  3 _ 2
-
-SOLUTION:
-4 8 5  2 3 6  7 9 1
-6 2 1  4 7 9  8 5 3
-7 9 3  5 1 8  6 2 4
-
-1 5 4  6 2 7  9 3 8
-8 6 9  3 5 4  2 1 7
-3 7 2  8 9 1  4 6 5
-
-2 4 8  1 6 3  5 7 9
-5 3 7  9 4 2  1 8 6
-9 1 6  7 8 5  3 4 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,6,null,null,null,4,null,null,8,3,null,null,null,null,null,8,null,null,null,2,4,null,null,null,1,null,0,null,null,null,3,null,null,null,null,null,null,null,null,5,2,null,null,3,null,null,0,null,6,null,3,2,0,null,null,null,null,null,null,null,0,1,null,null,null,null,null,null,null,null,null,6,null,null,1,null],"solution":[0,2,5,7,4,1,6,3,8,7,4,6,2,8,3,5,0,1,3,1,8,6,5,0,2,4,7,8,7,1,5,0,6,4,2,3,6,0,3,8,2,4,1,7,5,2,5,4,3,1,7,0,8,6,1,3,2,0,7,5,8,6,4,4,6,0,1,3,8,7,5,2,5,8,7,4,6,2,3,1,0]}
-PUZZLE:
-_ _ _  _ _ _  7 _ _
-_ 5 _  _ 9 4  _ _ _
-_ _ 9  _ _ _  3 5 _
-
-_ _ 2  _ 1 _  _ _ 4
-_ _ _  _ _ _  _ _ 6
-3 _ _  4 _ _  1 _ 7
-
-_ 4 3  1 _ _  _ _ _
-_ _ 1  2 _ _  _ _ _
-_ _ _  _ 7 _  _ 2 _
-
-SOLUTION:
-1 3 6  8 5 2  7 4 9
-8 5 7  3 9 4  6 1 2
-4 2 9  7 6 1  3 5 8
-
-9 8 2  6 1 7  5 3 4
-7 1 4  9 3 5  2 8 6
-3 6 5  4 2 8  1 9 7
-
-2 4 3  1 8 6  9 7 5
-5 7 1  2 4 9  8 6 3
-6 9 8  5 7 3  4 2 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,2,4,null,5,null,6,3,null,null,null,null,null,null,null,null,null,null,null,0,3,null,null,4,null,8,null,1,null,null,null,null,null,1,null,null,0,null,null,null,null,null,null,null,null,null,null,8,null,2,3,null,6,null,4,null,null,null,null,null,null,0,null,null,null,null,4,8,null,2,null,null,null,7,null,null,0],"solution":[8,0,1,6,3,2,4,7,5,5,6,3,4,7,8,2,0,1,2,4,7,1,5,0,3,8,6,4,7,8,2,1,5,0,6,3,6,1,2,8,0,3,7,5,4,0,3,5,7,6,4,8,1,2,3,8,6,0,4,1,5,2,7,7,5,0,3,2,6,1,4,8,1,2,4,5,8,7,6,3,0]}
-PUZZLE:
-_ _ _  _ _ 3  5 _ 6
-_ 7 4  _ _ _  _ _ _
-_ _ _  _ _ 1  4 _ _
-
-5 _ 9  _ 2 _  _ _ _
-_ 2 _  _ 1 _  _ _ _
-_ _ _  _ _ _  9 _ 3
-
-4 _ 7  _ 5 _  _ _ _
-_ _ 1  _ _ _  _ 5 9
-_ 3 _  _ _ 8  _ _ 1
-
-SOLUTION:
-9 1 2  7 4 3  5 8 6
-6 7 4  5 8 9  3 1 2
-3 5 8  2 6 1  4 9 7
-
-5 8 9  3 2 6  1 7 4
-7 2 3  9 1 4  8 6 5
-1 4 6  8 7 5  9 2 3
-
-4 9 7  1 5 2  6 3 8
-8 6 1  4 3 7  2 5 9
-2 3 5  6 9 8  7 4 1
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,5,null,3,null,null,null,4,null,null,null,1,null,8,null,null,null,null,null,3,null,null,null,null,null,7,2,null,null,null,null,null,null,null,null,null,null,null,null,4,7,null,null,2,null,null,null,8,null,null,null,5,null,null,0,null,6,null,null,7,null,null,null,null,4,null,null,5,null,null,null,1,2,null,null,null,4,null,null,null],"solution":[6,7,5,2,3,0,8,1,4,0,4,2,1,7,8,3,6,5,8,1,3,4,5,6,0,2,7,2,5,0,3,6,1,4,7,8,3,8,1,5,4,7,6,0,2,4,6,7,8,0,2,1,5,3,5,0,8,6,2,3,7,4,1,7,3,4,0,1,5,2,8,6,1,2,6,7,8,4,5,3,0]}
-PUZZLE:
-7 _ 6  _ 4 _  _ _ 5
-_ _ _  2 _ 9  _ _ _
-_ _ 4  _ _ _  _ _ 8
-
-3 _ _  _ _ _  _ _ _
-_ _ _  _ 5 8  _ _ 3
-_ _ _  9 _ _  _ 6 _
-
-_ 1 _  7 _ _  8 _ _
-_ _ 5  _ _ 6  _ _ _
-2 3 _  _ _ 5  _ _ _
-
-SOLUTION:
-7 8 6  3 4 1  9 2 5
-1 5 3  2 8 9  4 7 6
-9 2 4  5 6 7  1 3 8
-
-3 6 1  4 7 2  5 8 9
-4 9 2  6 5 8  7 1 3
-5 7 8  9 1 3  2 6 4
-
-6 1 9  7 3 4  8 5 2
-8 4 5  1 2 6  3 9 7
-2 3 7  8 9 5  6 4 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[5,null,null,null,null,null,8,1,4,null,8,null,6,null,1,null,null,null,2,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,3,null,0,null,8,5,null,6,null,null,null,1,null,2,null,null,5,null,null,null,6,null,4,null,null,null,null,null,null,null,2,null,null,null,0,null,null,null,null,null,null,null,3,null,8,null],"solution":[5,7,6,3,0,2,8,1,4,4,8,0,6,7,1,3,5,2,2,3,1,5,4,8,7,6,0,8,2,5,7,1,6,4,0,3,7,0,3,8,5,4,6,2,1,6,1,4,2,3,0,5,7,8,0,6,8,4,2,5,1,3,7,3,5,2,1,8,7,0,4,6,1,4,7,0,6,3,2,8,5]}
-PUZZLE:
-6 _ _  _ _ _  9 2 5
-_ 9 _  7 _ 2  _ _ _
-3 _ _  _ 5 _  _ _ _
-
-_ _ _  _ _ _  _ _ 4
-_ 1 _  9 6 _  7 _ _
-_ 2 _  3 _ _  6 _ _
-
-_ 7 _  5 _ _  _ _ _
-_ _ 3  _ _ _  1 _ _
-_ _ _  _ _ 4  _ 9 _
-
-SOLUTION:
-6 8 7  4 1 3  9 2 5
-5 9 1  7 8 2  4 6 3
-3 4 2  6 5 9  8 7 1
-
-9 3 6  8 2 7  5 1 4
-8 1 4  9 6 5  7 3 2
-7 2 5  3 4 1  6 8 9
-
-1 7 9  5 3 6  2 4 8
-4 6 3  2 9 8  1 5 7
-2 5 8  1 7 4  3 9 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,null,8,null,1,null,null,0,8,null,3,4,null,null,null,null,null,null,1,null,null,null,null,4,null,3,null,null,null,2,null,5,null,1,null,null,2,null,6,8,null,null,null,null,null,null,null,null,null,null,0,null,null,5,null,null,7,6,0,null,null,null,null,null,0,null,null,null,null,2,null,null,null,2,null,null,null,5,null],"solution":[4,2,3,6,8,5,1,7,0,0,8,7,3,4,1,6,2,5,5,6,1,7,0,2,3,4,8,3,7,6,4,2,0,5,8,1,1,0,2,5,6,8,7,3,4,8,4,5,1,3,7,2,0,6,2,5,4,8,7,6,0,1,3,7,1,8,0,5,3,4,6,2,6,3,0,2,1,4,8,5,7]}
-PUZZLE:
-_ _ 4  _ 9 _  2 _ _
-1 9 _  4 5 _  _ _ _
-_ _ 2  _ _ _  _ 5 _
-
-4 _ _  _ 3 _  6 _ 2
-_ _ 3  _ 7 9  _ _ _
-_ _ _  _ _ _  _ 1 _
-
-_ 6 _  _ 8 7  1 _ _
-_ _ _  1 _ _  _ _ 3
-_ _ _  3 _ _  _ 6 _
-
-SOLUTION:
-5 3 4  7 9 6  2 8 1
-1 9 8  4 5 2  7 3 6
-6 7 2  8 1 3  4 5 9
-
-4 8 7  5 3 1  6 9 2
-2 1 3  6 7 9  8 4 5
-9 5 6  2 4 8  3 1 7
-
-3 6 5  9 8 7  1 2 4
-8 2 9  1 6 4  5 7 3
-7 4 1  3 2 5  9 6 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,null,null,1,null,null,5,null,null,null,null,6,null,0,null,null,2,null,null,5,null,null,null,7,null,null,null,0,null,null,null,null,1,null,5,3,null,null,7,null,null,null,null,null,2,null,null,null,null,6,null,null,null,6,4,8,null,null,null,null,null,7,1,null,null,4,null,null,8,null,null,null,7,null,null,null,5],"solution":[6,7,8,4,3,0,5,1,2,3,5,4,8,2,1,6,7,0,0,1,2,7,6,5,8,4,3,7,6,3,5,0,4,2,8,1,1,2,5,3,8,6,7,0,4,4,8,0,2,1,7,3,5,6,5,3,1,6,4,8,0,2,7,2,0,7,1,5,3,4,6,8,8,4,6,0,7,2,1,3,5]}
-PUZZLE:
-_ _ 9  _ _ _  _ 2 _
-_ 6 _  _ _ _  7 _ 1
-_ _ 3  _ _ 6  _ _ _
-
-8 _ _  _ 1 _  _ _ _
-2 _ 6  4 _ _  8 _ _
-_ _ _  3 _ _  _ _ 7
-
-_ _ _  7 5 9  _ _ _
-_ _ 8  2 _ _  5 _ _
-9 _ _  _ 8 _  _ _ 6
-
-SOLUTION:
-7 8 9  5 4 1  6 2 3
-4 6 5  9 3 2  7 8 1
-1 2 3  8 7 6  9 5 4
-
-8 7 4  6 1 5  3 9 2
-2 3 6  4 9 7  8 1 5
-5 9 1  3 2 8  4 6 7
-
-6 4 2  7 5 9  1 3 8
-3 1 8  2 6 4  5 7 9
-9 5 7  1 8 3  2 4 6
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,0,null,4,null,6,null,null,7,null,null,1,2,8,null,4,null,null,6,null,null,6,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,6,3,null,null,null,null,4,null,8,null,2,null,5,null,2,null,null,null,null,null,null,null,null,null,7,null,0,null,null,null,null,null,null,null,0,1,5,null],"solution":[5,7,1,8,2,6,3,0,4,4,3,6,0,5,7,2,8,1,2,8,0,4,1,3,6,7,5,6,2,5,1,3,8,7,4,0,8,1,4,7,0,2,5,6,3,3,0,7,6,4,5,8,1,2,0,5,8,2,6,1,4,3,7,1,6,3,5,7,4,0,2,8,7,4,2,3,8,0,1,5,6]}
-PUZZLE:
-_ _ _  _ _ _  _ 1 _
-5 _ 7  _ _ 8  _ _ 2
-3 9 _  5 _ _  7 _ _
-
-7 _ 6  _ _ _  _ _ _
-_ _ _  _ _ _  _ 7 4
-_ _ _  _ 5 _  9 _ 3
-
-_ 6 _  3 _ _  _ _ _
-_ _ _  _ 8 _  1 _ _
-_ _ _  _ _ 1  2 6 _
-
-SOLUTION:
-6 8 2  9 3 7  4 1 5
-5 4 7  1 6 8  3 9 2
-3 9 1  5 2 4  7 8 6
-
-7 3 6  2 4 9  8 5 1
-9 2 5  8 1 3  6 7 4
-4 1 8  7 5 6  9 2 3
-
-1 6 9  3 7 2  5 4 8
-2 7 4  6 8 5  1 3 9
-8 5 3  4 9 1  2 6 7
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,8,null,null,null,null,null,null,7,null,null,6,null,0,2,5,null,null,null,0,null,null,null,null,2,4,null,null,null,0,null,4,null,null,2,3,null,null,2,null,null,null,null,null,null,6,3,5,null,null,null,null,null,8,null,null,null,null,5,null,null,null,null,null,null,null,null,7,null,null,1,null,null,null,3,4,null,1,null,0,null],"solution":[2,8,1,5,6,4,0,3,7,3,4,6,7,0,2,5,8,1,5,0,7,1,3,8,2,4,6,8,7,0,6,4,5,1,2,3,4,1,2,3,8,7,6,5,0,6,3,5,2,1,0,4,7,8,1,2,8,0,5,3,7,6,4,0,5,4,8,7,6,3,1,2,7,6,3,4,2,1,8,0,5]}
-PUZZLE:
-_ 9 _  _ _ _  _ _ 8
-_ _ 7  _ 1 3  6 _ _
-_ 1 _  _ _ _  3 5 _
-
-_ _ 1  _ 5 _  _ 3 4
-_ _ 3  _ _ _  _ _ _
-7 4 6  _ _ _  _ _ 9
-
-_ _ _  _ 6 _  _ _ _
-_ _ _  _ 8 _  _ 2 _
-_ _ 4  5 _ 2  _ 1 _
-
-SOLUTION:
-3 9 2  6 7 5  1 4 8
-4 5 7  8 1 3  6 9 2
-6 1 8  2 4 9  3 5 7
-
-9 8 1  7 5 6  2 3 4
-5 2 3  4 9 8  7 6 1
-7 4 6  3 2 1  5 8 9
-
-2 3 9  1 6 4  8 7 5
-1 6 5  9 8 7  4 2 3
-8 7 4  5 3 2  9 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[0,8,null,null,3,null,null,1,null,null,null,null,null,null,null,3,null,8,null,3,null,null,null,4,0,null,null,5,null,null,7,null,2,null,6,null,3,2,null,null,null,null,null,8,4,null,null,1,8,null,null,null,null,null,4,null,null,null,6,null,null,null,5,null,null,null,4,null,null,null,null,null,6,null,null,null,1,0,null,null,null],"solution":[0,8,6,5,3,7,4,1,2,1,7,4,0,2,6,3,5,8,2,3,5,1,8,4,0,7,6,5,4,8,7,0,2,1,6,3,3,2,0,6,5,1,7,8,4,7,6,1,8,4,3,5,2,0,4,1,7,3,6,8,2,0,5,8,0,2,4,7,5,6,3,1,6,5,3,2,1,0,8,4,7]}
-PUZZLE:
-1 9 _  _ 4 _  _ 2 _
-_ _ _  _ _ _  4 _ 9
-_ 4 _  _ _ 5  1 _ _
-
-6 _ _  8 _ 3  _ 7 _
-4 3 _  _ _ _  _ 9 5
-_ _ 2  9 _ _  _ _ _
-
-5 _ _  _ 7 _  _ _ 6
-_ _ _  5 _ _  _ _ _
-7 _ _  _ 2 1  _ _ _
-
-SOLUTION:
-1 9 7  6 4 8  5 2 3
-2 8 5  1 3 7  4 6 9
-3 4 6  2 9 5  1 8 7
-
-6 5 9  8 1 3  2 7 4
-4 3 1  7 6 2  8 9 5
-8 7 2  9 5 4  6 3 1
-
-5 2 8  4 7 9  3 1 6
-9 1 3  5 8 6  7 4 2
-7 6 4  3 2 1  9 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,null,null,null,null,null,null,1,null,null,7,null,null,null,null,null,null,null,null,2,null,null,4,3,null,7,null,3,1,0,null,null,null,4,6,null,null,null,7,null,3,null,null,null,null,8,null,null,6,7,null,null,null,null,4,0,null,null,null,null,8,null,null,null,3,6,null,null,null,null,null,null,null,null,4,null,5,7,null],"solution":[4,5,0,6,8,3,2,1,7,1,3,2,7,5,4,8,0,6,8,6,7,2,1,0,4,3,5,7,2,3,1,0,8,6,5,4,6,1,5,4,7,2,3,8,0,0,4,8,5,3,6,7,2,1,3,7,4,0,2,5,1,6,8,5,8,1,3,6,7,0,4,2,2,0,6,8,4,1,5,7,3]}
-PUZZLE:
-_ 6 _  _ _ _  _ _ _
-2 _ _  8 _ _  _ _ _
-_ _ _  3 _ _  5 4 _
-
-8 _ 4  2 1 _  _ _ 5
-7 _ _  _ 8 _  4 _ _
-_ _ 9  _ _ 7  8 _ _
-
-_ _ 5  1 _ _  _ _ 9
-_ _ _  4 7 _  _ _ _
-_ _ _  _ 5 _  6 8 _
-
-SOLUTION:
-5 6 1  7 9 4  3 2 8
-2 4 3  8 6 5  9 1 7
-9 7 8  3 2 1  5 4 6
-
-8 3 4  2 1 9  7 6 5
-7 2 6  5 8 3  4 9 1
-1 5 9  6 4 7  8 3 2
-
-4 8 5  1 3 6  2 7 9
-6 9 2  4 7 8  1 5 3
-3 1 7  9 5 2  6 8 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,5,7,null,null,null,null,null,null,null,null,null,null,0,null,3,null,null,null,null,4,2,1,null,null,null,null,null,1,null,null,7,2,null,null,5,2,0,null,1,null,null,null,8,3,4,null,null,null,null,1,null,0,6,null,3,null,null,null,4,null,null,2,null,null,null,null,8,null,null,null,0,null,null,null,null,null,null,null,null],"solution":[1,0,5,7,8,3,6,4,2,4,8,2,5,6,0,7,3,1,7,3,6,4,2,1,8,0,5,8,6,1,0,3,7,2,5,4,5,2,0,6,1,4,3,7,8,3,4,7,8,5,2,1,6,0,6,1,3,2,0,5,4,8,7,2,5,4,3,7,8,0,1,6,0,7,8,1,4,6,5,2,3]}
-PUZZLE:
-_ _ 6  8 _ _  _ _ _
-_ _ _  _ _ 1  _ 4 _
-_ _ _  5 3 2  _ _ _
-
-_ _ 2  _ _ 8  3 _ _
-6 3 1  _ 2 _  _ _ 9
-4 5 _  _ _ _  2 _ 1
-
-7 _ 4  _ _ _  5 _ _
-3 _ _  _ _ 9  _ _ _
-1 _ _  _ _ _  _ _ _
-
-SOLUTION:
-2 1 6  8 9 4  7 5 3
-5 9 3  6 7 1  8 4 2
-8 4 7  5 3 2  9 1 6
-
-9 7 2  1 4 8  3 6 5
-6 3 1  7 2 5  4 8 9
-4 5 8  9 6 3  2 7 1
-
-7 2 4  3 1 6  5 9 8
-3 6 5  4 8 9  1 2 7
-1 8 9  2 5 7  6 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,null,null,null,null,8,null,null,null,null,null,8,6,4,null,null,null,null,1,null,null,7,null,null,2,null,null,8,null,null,null,null,1,null,6,1,null,null,3,null,0,null,null,null,null,4,null,null,null,null,null,5,7,null,null,6,null,null,null,null,null,null,4,5,null,null,0,1,null,null,null,null,null,null,7,null,null,null,0,null],"solution":[6,0,4,1,3,2,8,7,5,7,2,5,8,6,4,3,1,0,8,1,3,0,7,5,6,2,4,5,8,0,4,2,7,1,3,6,1,6,7,3,5,0,4,8,2,3,4,2,6,1,8,0,5,7,0,7,6,5,8,3,2,4,1,4,5,8,2,0,1,7,6,3,2,3,1,7,4,6,5,0,8]}
-PUZZLE:
-7 _ _  _ _ _  9 _ _
-_ _ _  9 7 5  _ _ _
-_ 2 _  _ 8 _  _ 3 _
-
-_ 9 _  _ _ _  2 _ 7
-2 _ _  4 _ 1  _ _ _
-_ 5 _  _ _ _  _ 6 8
-
-_ _ 7  _ _ _  _ _ _
-5 6 _  _ 1 2  _ _ _
-_ _ _  8 _ _  _ 1 _
-
-SOLUTION:
-7 1 5  2 4 3  9 8 6
-8 3 6  9 7 5  4 2 1
-9 2 4  1 8 6  7 3 5
-
-6 9 1  5 3 8  2 4 7
-2 7 8  4 6 1  5 9 3
-4 5 3  7 2 9  1 6 8
-
-1 8 7  6 9 4  3 5 2
-5 6 9  3 1 2  8 7 4
-3 4 2  8 5 7  6 1 9
-
-RATING: 1.75
-DATA:
-{"puzzle":[2,8,null,5,null,null,null,6,null,7,3,null,null,2,null,null,null,null,null,null,5,null,null,null,1,null,null,null,null,null,null,null,null,4,1,null,null,null,7,0,null,6,null,null,null,null,null,null,8,3,null,null,null,null,8,null,2,null,null,null,7,null,null,null,null,null,null,0,null,null,3,null,null,null,null,7,null,1,null,null,2],"solution":[2,8,1,5,4,0,3,6,7,7,3,6,1,2,8,0,5,4,0,4,5,3,6,7,1,2,8,3,6,8,2,7,5,4,1,0,4,5,7,0,1,6,2,8,3,1,2,0,8,3,4,6,7,5,8,1,2,4,5,3,7,0,6,5,7,4,6,0,2,8,3,1,6,0,3,7,8,1,5,4,2]}
-PUZZLE:
-3 9 _  6 _ _  _ 7 _
-8 4 _  _ 3 _  _ _ _
-_ _ 6  _ _ _  2 _ _
-
-_ _ _  _ _ _  5 2 _
-_ _ 8  1 _ 7  _ _ _
-_ _ _  9 4 _  _ _ _
-
-9 _ 3  _ _ _  8 _ _
-_ _ _  _ 1 _  _ 4 _
-_ _ _  8 _ 2  _ _ 3
-
-SOLUTION:
-3 9 2  6 5 1  4 7 8
-8 4 7  2 3 9  1 6 5
-1 5 6  4 7 8  2 3 9
-
-4 7 9  3 8 6  5 2 1
-5 6 8  1 2 7  3 9 4
-2 3 1  9 4 5  7 8 6
-
-9 2 3  5 6 4  8 1 7
-6 8 5  7 1 3  9 4 2
-7 1 4  8 9 2  6 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[5,7,null,6,null,null,4,null,null,8,null,2,0,null,null,null,7,5,null,null,null,null,null,null,null,null,null,4,null,null,null,null,1,null,null,7,null,null,7,null,null,null,null,6,null,null,null,6,null,8,null,5,null,null,6,1,null,2,null,null,null,null,null,null,2,4,null,null,null,null,null,0,null,null,null,null,4,null,null,null,1],"solution":[5,7,1,6,3,8,4,0,2,8,6,2,0,1,4,3,7,5,0,4,3,5,2,7,8,1,6,4,8,5,3,6,1,0,2,7,2,3,7,4,5,0,1,6,8,1,0,6,7,8,2,5,4,3,6,1,8,2,0,3,7,5,4,3,2,4,1,7,5,6,8,0,7,5,0,8,4,6,2,3,1]}
-PUZZLE:
-6 8 _  7 _ _  5 _ _
-9 _ 3  1 _ _  _ 8 6
-_ _ _  _ _ _  _ _ _
-
-5 _ _  _ _ 2  _ _ 8
-_ _ 8  _ _ _  _ 7 _
-_ _ 7  _ 9 _  6 _ _
-
-7 2 _  3 _ _  _ _ _
-_ 3 5  _ _ _  _ _ 1
-_ _ _  _ 5 _  _ _ 2
-
-SOLUTION:
-6 8 2  7 4 9  5 1 3
-9 7 3  1 2 5  4 8 6
-1 5 4  6 3 8  9 2 7
-
-5 9 6  4 7 2  1 3 8
-3 4 8  5 6 1  2 7 9
-2 1 7  8 9 3  6 5 4
-
-7 2 9  3 1 4  8 6 5
-4 3 5  2 8 6  7 9 1
-8 6 1  9 5 7  3 4 2
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,8,null,null,null,null,null,3,null,0,null,null,3,null,7,null,2,null,null,null,null,null,null,null,7,null,null,null,1,null,null,1,null,2,null,8,null,0,2,null,null,null,8,6,4,null,null,4,null,null,null,null,8,null,null,null,null,7,null,6,4,0,null,null,null,6,null,null,null,null,null,null,2,null],"solution":[0,2,6,4,5,1,7,3,8,7,1,4,8,6,3,5,0,2,8,3,5,7,0,2,1,4,6,3,4,8,0,7,5,2,6,1,5,6,1,3,2,4,8,7,0,2,0,7,1,8,6,4,5,3,4,5,0,2,3,8,6,1,7,1,7,2,6,4,0,3,8,5,6,8,3,5,1,7,0,2,4]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 9
-_ _ _  _ _ 4  _ 1 _
-_ 4 _  8 _ 3  _ _ _
-
-_ _ _  _ 8 _  _ _ 2
-_ _ 2  _ 3 _  9 _ 1
-3 _ _  _ 9 7  5 _ _
-
-5 _ _  _ _ 9  _ _ _
-_ 8 _  7 5 1  _ _ _
-7 _ _  _ _ _  _ 3 _
-
-SOLUTION:
-1 3 7  5 6 2  8 4 9
-8 2 5  9 7 4  6 1 3
-9 4 6  8 1 3  2 5 7
-
-4 5 9  1 8 6  3 7 2
-6 7 2  4 3 5  9 8 1
-3 1 8  2 9 7  5 6 4
-
-5 6 1  3 4 9  7 2 8
-2 8 3  7 5 1  4 9 6
-7 9 4  6 2 8  1 3 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,8,1,null,null,7,null,6,null,null,4,null,8,null,0,null,null,null,null,null,7,null,8,null,5,null,null,null,null,null,3,null,null,null,null,7,5,null,6,null,null,null,4,null,3,null,2,null,null,null,8,null,null,null,null,null,null,1,4,null,0,null,null,2,null,null,null,2,null,null,4,null,null,null,3],"solution":[4,6,2,7,5,0,3,8,1,5,3,7,8,6,1,0,4,2,8,1,0,3,2,4,6,5,7,2,8,1,5,0,6,7,3,4,3,0,4,2,8,7,5,1,6,7,5,6,4,1,3,8,2,0,6,7,8,1,3,2,4,0,5,1,4,3,0,7,5,2,6,8,0,2,5,6,4,8,1,7,3]}
-PUZZLE:
-_ _ _  _ _ _  _ 9 2
-_ _ 8  _ 7 _  _ 5 _
-9 _ 1  _ _ _  _ _ 8
-
-_ 9 _  6 _ _  _ _ _
-4 _ _  _ _ 8  6 _ 7
-_ _ _  5 _ 4  _ 3 _
-
-_ _ 9  _ _ _  _ _ _
-2 5 _  1 _ _  3 _ _
-_ 3 _  _ 5 _  _ _ 4
-
-SOLUTION:
-5 7 3  8 6 1  4 9 2
-6 4 8  9 7 2  1 5 3
-9 2 1  4 3 5  7 6 8
-
-3 9 2  6 1 7  8 4 5
-4 1 5  3 9 8  6 2 7
-8 6 7  5 2 4  9 3 1
-
-7 8 9  2 4 3  5 1 6
-2 5 4  1 8 6  3 7 9
-1 3 6  7 5 9  2 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,6,null,1,null,null,null,null,null,null,1,null,null,7,null,null,4,null,null,7,null,null,5,null,null,3,null,null,null,null,6,null,null,5,null,null,null,null,4,null,3,2,null,null,null,8,null,1,null,null,null,null,7,null,7,null,8,null,null,null,null,0,6,1,null,null,null,null,null,null,null,null,null,4,null,3,null,8,null,null],"solution":[0,2,6,3,1,4,7,8,5,3,5,1,6,8,7,0,2,4,8,4,7,2,0,5,6,1,3,7,3,2,0,6,8,4,5,1,1,6,5,4,7,3,2,0,8,4,8,0,1,5,2,3,6,7,5,7,3,8,2,6,1,4,0,6,1,8,7,4,0,5,3,2,2,0,4,5,3,1,8,7,6]}
-PUZZLE:
-_ 3 7  _ 2 _  _ _ _
-_ _ 2  _ _ 8  _ _ 5
-_ _ 8  _ _ 6  _ _ 4
-
-_ _ _  _ 7 _  _ 6 _
-_ _ _  5 _ 4  3 _ _
-_ 9 _  2 _ _  _ _ 8
-
-_ 8 _  9 _ _  _ _ 1
-7 2 _  _ _ _  _ _ _
-_ _ 5  _ 4 _  9 _ _
-
-SOLUTION:
-1 3 7  4 2 5  8 9 6
-4 6 2  7 9 8  1 3 5
-9 5 8  3 1 6  7 2 4
-
-8 4 3  1 7 9  5 6 2
-2 7 6  5 8 4  3 1 9
-5 9 1  2 6 3  4 7 8
-
-6 8 4  9 3 7  2 5 1
-7 2 9  8 5 1  6 4 3
-3 1 5  6 4 2  9 8 7
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,6,8,null,null,null,null,5,null,2,null,null,null,5,null,3,7,null,null,null,4,null,null,null,6,null,null,null,0,null,null,null,null,null,null,8,null,4,null,1,2,7,null,null,null,null,null,null,5,null,null,8,null,null,null,null,null,null,7,null,2,null,null,1,null,null,4,null,null,null,null,5,6,2,null,null,null,null,null,null],"solution":[7,4,6,8,2,3,0,1,5,1,2,8,6,0,5,4,3,7,3,0,5,4,7,1,2,6,8,2,3,0,7,8,6,5,4,1,8,5,4,3,1,2,7,0,6,6,7,1,0,5,4,3,8,2,4,8,3,5,6,7,1,2,0,0,1,7,2,4,8,6,5,3,5,6,2,1,3,0,8,7,4]}
-PUZZLE:
-_ _ 7  9 _ _  _ _ 6
-_ 3 _  _ _ 6  _ 4 8
-_ _ _  5 _ _  _ 7 _
-
-_ _ 1  _ _ _  _ _ _
-9 _ 5  _ 2 3  8 _ _
-_ _ _  _ 6 _  _ 9 _
-
-_ _ _  _ _ 8  _ 3 _
-_ 2 _  _ 5 _  _ _ _
-6 7 3  _ _ _  _ _ _
-
-SOLUTION:
-8 5 7  9 3 4  1 2 6
-2 3 9  7 1 6  5 4 8
-4 1 6  5 8 2  3 7 9
-
-3 4 1  8 9 7  6 5 2
-9 6 5  4 2 3  8 1 7
-7 8 2  1 6 5  4 9 3
-
-5 9 4  6 7 8  2 3 1
-1 2 8  3 5 9  7 6 4
-6 7 3  2 4 1  9 8 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,3,null,null,null,8,null,null,null,null,null,6,null,2,null,null,null,1,null,null,null,null,null,null,0,null,null,5,null,null,null,4,1,null,null,null,null,null,null,2,0,null,null,8,null,null,null,null,null,null,7,null,3,5,null,null,7,6,8,null,null,null,4,null,4,null,null,null,null,6,null,null,null,1,null,null,null,2,null,5,null],"solution":[7,3,4,0,1,8,5,6,2,0,8,6,5,2,4,3,7,1,1,2,5,7,3,6,0,4,8,5,6,8,3,4,1,7,2,0,4,7,3,2,0,5,1,8,6,2,0,1,8,6,7,4,3,5,3,5,7,6,8,0,2,1,4,8,4,2,1,5,3,6,0,7,6,1,0,4,7,2,8,5,3]}
-PUZZLE:
-_ 4 _  _ _ 9  _ _ _
-_ _ 7  _ 3 _  _ _ 2
-_ _ _  _ _ _  1 _ _
-
-6 _ _  _ 5 2  _ _ _
-_ _ _  3 1 _  _ 9 _
-_ _ _  _ _ 8  _ 4 6
-
-_ _ 8  7 9 _  _ _ 5
-_ 5 _  _ _ _  7 _ _
-_ 2 _  _ _ 3  _ 6 _
-
-SOLUTION:
-8 4 5  1 2 9  6 7 3
-1 9 7  6 3 5  4 8 2
-2 3 6  8 4 7  1 5 9
-
-6 7 9  4 5 2  8 3 1
-5 8 4  3 1 6  2 9 7
-3 1 2  9 7 8  5 4 6
-
-4 6 8  7 9 1  3 2 5
-9 5 3  2 6 4  7 1 8
-7 2 1  5 8 3  9 6 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,null,null,null,null,null,3,null,4,2,6,null,null,null,null,null,1,3,5,null,null,3,2,null,4,0,null,null,1,null,0,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,7,null,8,null,2,null,null,null,0,null,5,4,0,null,null,null,null,null,null,3,null,null,null,5,null,null,1,null],"solution":[4,5,3,6,8,2,1,7,0,0,1,8,7,3,5,4,2,6,2,7,6,4,0,1,3,5,8,7,3,2,5,4,0,6,8,1,8,0,4,1,6,7,2,3,5,1,6,5,3,2,8,0,4,7,6,8,1,2,7,4,5,0,3,5,4,0,8,1,3,7,6,2,3,2,7,0,5,6,8,1,4]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ _
-_ _ _  _ 4 _  5 3 7
-_ _ _  _ _ 2  4 6 _
-
-_ 4 3  _ 5 1  _ _ 2
-_ 1 _  _ _ _  _ _ _
-_ _ _  4 _ _  _ _ 8
-
-_ 9 _  3 _ _  _ 1 _
-6 5 1  _ _ _  _ _ _
-4 _ _  _ 6 _  _ 2 _
-
-SOLUTION:
-5 6 4  7 9 3  2 8 1
-1 2 9  8 4 6  5 3 7
-3 8 7  5 1 2  4 6 9
-
-8 4 3  6 5 1  7 9 2
-9 1 5  2 7 8  3 4 6
-2 7 6  4 3 9  1 5 8
-
-7 9 2  3 8 5  6 1 4
-6 5 1  9 2 4  8 7 3
-4 3 8  1 6 7  9 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,3,null,null,null,null,null,null,0,5,null,null,null,null,null,8,3,null,6,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,3,null,1,null,null,null,6,1,2,5,null,7,null,null,5,null,null,7,null,null,null,null,2,null,null,null,null,null,4,null,1,null,null,3,null,null,null,0,null,4,7],"solution":[8,2,7,3,0,5,4,6,1,1,0,5,4,7,6,2,3,8,3,4,6,1,8,2,5,7,0,7,5,3,0,4,1,8,2,6,0,8,2,6,3,7,1,5,4,4,6,1,2,5,8,7,0,3,5,1,4,7,6,3,0,8,2,6,7,0,8,2,4,3,1,5,2,3,8,5,1,0,6,4,7]}
-PUZZLE:
-_ 3 _  4 _ _  _ _ _
-_ 1 6  _ _ _  _ _ 9
-4 _ 7  _ _ _  6 _ _
-
-_ _ _  _ _ _  _ _ _
-1 _ _  _ 4 _  2 _ _
-_ 7 2  3 6 _  8 _ _
-
-6 _ _  8 _ _  _ _ 3
-_ _ _  _ _ 5  _ 2 _
-_ 4 _  _ _ 1  _ 5 8
-
-SOLUTION:
-9 3 8  4 1 6  5 7 2
-2 1 6  5 8 7  3 4 9
-4 5 7  2 9 3  6 8 1
-
-8 6 4  1 5 2  9 3 7
-1 9 3  7 4 8  2 6 5
-5 7 2  3 6 9  8 1 4
-
-6 2 5  8 7 4  1 9 3
-7 8 1  9 3 5  4 2 6
-3 4 9  6 2 1  7 5 8
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,7,null,3,null,null,null,5,null,1,null,null,7,8,null,null,4,null,5,1,3,1,4,null,null,null,null,8,6,null,null,5,null,null,3,null,null,null,null,0,null,7,null,null,null,3,null,null,null,null,2,null,8,null,null,null,2,null,null,null,5,null,1,null,null],"solution":[8,5,0,1,7,2,4,6,3,4,6,1,3,8,0,5,2,7,7,3,2,4,6,5,0,1,8,0,7,8,6,2,4,3,5,1,3,1,4,5,0,7,2,8,6,6,2,5,8,1,3,7,4,0,5,0,6,7,4,1,8,3,2,1,4,7,2,3,8,6,0,5,2,8,3,0,5,6,1,7,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 7 _
-_ _ _  _ _ _  _ _ 8
-_ 4 _  _ _ 6  _ 2 _
-
-_ 8 9  _ _ 5  _ 6 2
-4 2 5  _ _ _  _ 9 7
-_ _ 6  _ _ 4  _ _ _
-
-_ 1 _  8 _ _  _ 4 _
-_ _ _  3 _ 9  _ _ _
-3 _ _  _ 6 _  2 _ _
-
-SOLUTION:
-9 6 1  2 8 3  5 7 4
-5 7 2  4 9 1  6 3 8
-8 4 3  5 7 6  1 2 9
-
-1 8 9  7 3 5  4 6 2
-4 2 5  6 1 8  3 9 7
-7 3 6  9 2 4  8 5 1
-
-6 1 7  8 5 2  9 4 3
-2 5 8  3 4 9  7 1 6
-3 9 4  1 6 7  2 8 5
-
-RATING: 0
-DATA:
-{"puzzle":[4,2,6,null,null,null,null,0,null,null,3,null,null,null,null,8,null,6,8,null,null,null,0,null,null,null,null,null,null,3,null,null,null,5,null,2,null,null,null,2,null,8,6,null,null,null,4,1,null,null,null,null,null,null,null,null,null,5,6,null,null,null,null,null,null,null,null,1,null,0,null,null,null,null,null,null,null,2,null,4,null],"solution":[4,2,6,1,8,5,7,0,3,1,3,0,4,2,7,8,5,6,8,7,5,6,0,3,4,2,1,6,8,3,0,4,1,5,7,2,5,0,7,2,3,8,6,1,4,2,4,1,7,5,6,3,8,0,7,1,4,5,6,0,2,3,8,3,5,2,8,1,4,0,6,7,0,6,8,3,7,2,1,4,5]}
-PUZZLE:
-5 3 7  _ _ _  _ 1 _
-_ 4 _  _ _ _  9 _ 7
-9 _ _  _ 1 _  _ _ _
-
-_ _ 4  _ _ _  6 _ 3
-_ _ _  3 _ 9  7 _ _
-_ 5 2  _ _ _  _ _ _
-
-_ _ _  6 7 _  _ _ _
-_ _ _  _ 2 _  1 _ _
-_ _ _  _ _ 3  _ 5 _
-
-SOLUTION:
-5 3 7  2 9 6  8 1 4
-2 4 1  5 3 8  9 6 7
-9 8 6  7 1 4  5 3 2
-
-7 9 4  1 5 2  6 8 3
-6 1 8  3 4 9  7 2 5
-3 5 2  8 6 7  4 9 1
-
-8 2 5  6 7 1  3 4 9
-4 6 3  9 2 5  1 7 8
-1 7 9  4 8 3  2 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,7,null,0,null,null,6,null,4,null,null,null,1,null,null,null,null,null,null,null,null,null,1,5,3,null,1,0,null,null,null,6,null,null,3,null,5,null,null,null,null,null,null,null,null,null,8,null,null,null,null,0,null,null,null,null,null,null,0,null,8,null,null,7,0,5,null,null,null,null,null,null,8,null,null,null,2,6,null],"solution":[1,5,3,7,2,0,8,4,6,8,4,6,5,3,1,7,0,2,0,7,2,4,8,6,1,5,3,2,1,0,3,4,5,6,8,7,3,8,5,6,0,7,4,2,1,7,6,4,8,1,2,5,3,0,5,3,1,2,6,4,0,7,8,6,2,7,0,5,8,3,1,4,4,0,8,1,7,3,2,6,5]}
-PUZZLE:
-_ _ 4  8 _ 1  _ _ 7
-_ 5 _  _ _ 2  _ _ _
-_ _ _  _ _ _  2 6 4
-
-_ 2 1  _ _ _  7 _ _
-4 _ 6  _ _ _  _ _ _
-_ _ _  9 _ _  _ _ 1
-
-_ _ _  _ _ _  1 _ 9
-_ _ 8  1 6 _  _ _ _
-_ _ 9  _ _ _  3 7 _
-
-SOLUTION:
-2 6 4  8 3 1  9 5 7
-9 5 7  6 4 2  8 1 3
-1 8 3  5 9 7  2 6 4
-
-3 2 1  4 5 6  7 9 8
-4 9 6  7 1 8  5 3 2
-8 7 5  9 2 3  6 4 1
-
-6 4 2  3 7 5  1 8 9
-7 3 8  1 6 9  4 2 5
-5 1 9  2 8 4  3 7 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,6,null,null,4,null,null,1,null,null,8,null,null,6,5,null,null,null,null,null,2,null,null,4,null,0,null,null,1,7,null,null,0,8,null,null,4,null,null,null,null,null,null,3,null,null,5,8,null,null,null,null,null,3,null,null,null,0,null,null,1,null,null,7,null,null,7,null,null,0,4,null,null,null,1],"solution":[8,0,7,3,2,5,1,6,4,2,4,3,6,1,7,5,8,0,1,6,5,4,8,0,3,7,2,3,8,4,5,0,2,6,1,7,5,7,0,8,6,1,4,2,3,6,2,1,7,3,4,0,5,8,4,1,6,2,7,3,8,0,5,0,3,2,1,5,8,7,4,6,7,5,8,0,4,6,2,3,1]}
-PUZZLE:
-_ _ _  _ _ 6  _ 7 _
-_ 5 _  _ 2 _  _ 9 _
-_ 7 6  _ _ _  _ _ 3
-
-_ _ 5  _ 1 _  _ 2 8
-_ _ 1  9 _ _  5 _ _
-_ _ _  _ 4 _  _ 6 9
-
-_ _ _  _ _ 4  _ _ _
-1 _ _  2 _ _  8 _ _
-8 _ _  1 5 _  _ _ 2
-
-SOLUTION:
-9 1 8  4 3 6  2 7 5
-3 5 4  7 2 8  6 9 1
-2 7 6  5 9 1  4 8 3
-
-4 9 5  6 1 3  7 2 8
-6 8 1  9 7 2  5 3 4
-7 3 2  8 4 5  1 6 9
-
-5 2 7  3 8 4  9 1 6
-1 4 3  2 6 9  8 5 7
-8 6 9  1 5 7  3 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,null,null,null,null,7,null,null,1,null,null,null,null,null,5,null,7,null,null,null,4,null,6,null,4,2,null,null,3,null,null,null,null,null,null,null,6,5,null,null,null,null,null,null,8,null,null,7,null,7,4,null,null,5,null,2,null,null,3,0,null,null,null,8,null,null,null,null,null,8,null,null,3,null,null],"solution":[4,2,3,5,8,0,7,6,1,6,8,7,2,4,1,5,0,3,0,1,5,3,7,6,2,8,4,5,6,1,4,2,7,0,3,8,7,4,8,1,0,3,6,5,2,3,0,2,6,5,8,4,1,7,8,7,4,0,3,5,1,2,6,1,3,0,7,6,2,8,4,5,2,5,6,8,1,4,3,7,0]}
-PUZZLE:
-_ _ _  _ _ 1  _ _ _
-_ _ 8  _ _ 2  _ _ _
-_ _ 6  _ 8 _  _ _ 5
-
-_ 7 _  5 3 _  _ 4 _
-_ _ _  _ _ _  7 6 _
-_ _ _  _ _ 9  _ _ 8
-
-_ 8 5  _ _ 6  _ 3 _
-_ 4 1  _ _ _  9 _ _
-_ _ _  9 _ _  4 _ _
-
-SOLUTION:
-5 3 4  6 9 1  8 7 2
-7 9 8  3 5 2  6 1 4
-1 2 6  4 8 7  3 9 5
-
-6 7 2  5 3 8  1 4 9
-8 5 9  2 1 4  7 6 3
-4 1 3  7 6 9  5 2 8
-
-9 8 5  1 4 6  2 3 7
-2 4 1  8 7 3  9 5 6
-3 6 7  9 2 5  4 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,0,1,null,null,8,5,null,null,2,5,3,null,null,null,null,null,null,null,2,null,4,null,null,null,6,null,null,null,null,0,4,null,null,null,null,null,null,null,6,5,null,0,3,8,null,null,null,null,null,2,null,null,null,null,1,4,2,null,null,null,2,null,null,null,null,null,6,null,null,null,5,null,null,null,null,0,null,null],"solution":[4,3,6,0,1,7,2,8,5,7,0,2,5,3,8,1,6,4,5,1,8,2,6,4,3,0,7,6,7,5,3,2,0,4,1,8,1,2,4,7,8,6,5,3,0,3,8,0,4,5,1,7,2,6,0,6,7,1,4,2,8,5,3,2,4,3,8,0,5,6,7,1,8,5,1,6,7,3,0,4,2]}
-PUZZLE:
-_ _ _  1 2 _  _ 9 6
-_ _ 3  6 4 _  _ _ _
-_ _ _  3 _ 5  _ _ _
-
-7 _ _  _ _ 1  5 _ _
-_ _ _  _ _ 7  6 _ 1
-4 9 _  _ _ _  _ 3 _
-
-_ _ _  2 5 3  _ _ _
-3 _ _  _ _ _  7 _ _
-_ 6 _  _ _ _  1 _ _
-
-SOLUTION:
-5 4 7  1 2 8  3 9 6
-8 1 3  6 4 9  2 7 5
-6 2 9  3 7 5  4 1 8
-
-7 8 6  4 3 1  5 2 9
-2 3 5  8 9 7  6 4 1
-4 9 1  5 6 2  8 3 7
-
-1 7 8  2 5 3  9 6 4
-3 5 4  9 1 6  7 8 2
-9 6 2  7 8 4  1 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,6,null,7,null,null,null,null,null,null,null,1,null,6,5,null,0,null,null,null,null,null,null,null,null,null,null,null,null,7,3,null,null,5,null,null,null,2,null,null,null,null,null,null,null,7,5,0,null,1,null,8,7,6,null,null,null,null,null,null,null,null,8,null,null,null,null,null,4,null,null,5,3,null,null,6,null],"solution":[3,1,8,2,5,6,4,7,0,2,7,4,0,8,3,1,5,6,5,6,0,7,4,1,3,8,2,1,0,2,4,6,8,7,3,5,7,5,3,1,0,2,6,4,8,8,4,6,3,7,5,0,2,1,0,8,7,6,2,4,5,1,3,6,3,5,8,1,7,2,0,4,4,2,1,5,3,0,8,6,7]}
-PUZZLE:
-4 _ _  _ _ 7  _ 8 _
-_ _ _  _ _ _  2 _ 7
-6 _ 1  _ _ _  _ _ _
-
-_ _ _  _ _ _  8 4 _
-_ 6 _  _ _ 3  _ _ _
-_ _ _  _ 8 6  1 _ 2
-
-_ 9 8  7 _ _  _ _ _
-_ _ _  9 _ _  _ _ _
-5 _ _  6 4 _  _ 7 _
-
-SOLUTION:
-4 2 9  3 6 7  5 8 1
-3 8 5  1 9 4  2 6 7
-6 7 1  8 5 2  4 9 3
-
-2 1 3  5 7 9  8 4 6
-8 6 4  2 1 3  7 5 9
-9 5 7  4 8 6  1 3 2
-
-1 9 8  7 3 5  6 2 4
-7 4 6  9 2 8  3 1 5
-5 3 2  6 4 1  9 7 8
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,8,null,null,null,6,null,null,null,null,null,null,3,null,null,2,null,0,5,null,0,null,null,null,null,null,6,null,null,3,2,null,null,5,7,null,null,1,null,null,null,null,null,null,null,null,null,null,null,5,null,1,null,null,2,null,null,5,7,null,null,null,null,null,null,7,null,8,null,null,null,null,6,null,null,null,null,null,null,1,null],"solution":[4,8,2,7,0,6,3,5,1,1,7,6,3,4,5,2,8,0,5,3,0,1,2,8,7,4,6,8,6,3,2,1,0,5,7,4,7,1,5,4,6,3,8,0,2,0,2,4,8,5,7,1,6,3,2,0,1,5,7,4,6,3,8,3,4,7,6,8,1,0,2,5,6,5,8,0,3,2,4,1,7]}
-PUZZLE:
-_ 9 _  _ _ 7  _ _ _
-_ _ _  4 _ _  3 _ 1
-6 _ 1  _ _ _  _ _ 7
-
-_ _ 4  3 _ _  6 8 _
-_ 2 _  _ _ _  _ _ _
-_ _ _  _ 6 _  2 _ _
-
-3 _ _  6 8 _  _ _ _
-_ _ 8  _ 9 _  _ _ _
-7 _ _  _ _ _  _ 2 _
-
-SOLUTION:
-5 9 3  8 1 7  4 6 2
-2 8 7  4 5 6  3 9 1
-6 4 1  2 3 9  8 5 7
-
-9 7 4  3 2 1  6 8 5
-8 2 6  5 7 4  9 1 3
-1 3 5  9 6 8  2 7 4
-
-3 1 2  6 8 5  7 4 9
-4 5 8  7 9 2  1 3 6
-7 6 9  1 4 3  5 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,5,null,6,7,4,null,null,null,null,null,7,null,null,5,null,null,3,null,null,null,null,null,null,null,null,null,null,4,6,null,null,null,null,1,null,null,null,null,2,null,0,5,null,null,0,null,null,7,2,null,null,null,7,4,null,null,null,null,null,null,null,null,null,null,null,null,0,2,4,null,2,null,null,3,null,5,null,null],"solution":[8,1,2,5,0,6,7,4,3,4,0,6,8,7,3,1,5,2,7,3,5,2,4,1,8,6,0,2,5,8,4,6,0,3,1,7,1,6,7,3,8,2,4,0,5,3,4,0,1,5,7,2,8,6,5,7,4,0,2,8,6,3,1,6,8,3,7,1,5,0,2,4,0,2,1,6,3,4,5,7,8]}
-PUZZLE:
-9 _ _  6 _ 7  8 5 _
-_ _ _  _ 8 _  _ 6 _
-_ 4 _  _ _ _  _ _ _
-
-_ _ _  5 7 _  _ _ _
-2 _ _  _ _ 3  _ 1 6
-_ _ 1  _ _ 8  3 _ _
-
-_ 8 5  _ _ _  _ _ _
-_ _ _  _ _ _  1 3 5
-_ 3 _  _ 4 _  6 _ _
-
-SOLUTION:
-9 2 3  6 1 7  8 5 4
-5 1 7  9 8 4  2 6 3
-8 4 6  3 5 2  9 7 1
-
-3 6 9  5 7 1  4 2 8
-2 7 8  4 9 3  5 1 6
-4 5 1  2 6 8  3 9 7
-
-6 8 5  1 3 9  7 4 2
-7 9 4  8 2 6  1 3 5
-1 3 2  7 4 5  6 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,3,null,null,null,null,null,0,null,6,null,null,null,2,4,null,null,null,null,7,null,8,0,null,null,null,2,null,1,2,null,null,null,6,null,3,null,null,null,4,null,null,null,5,null,8,null,8,null,null,7,0,null,null,1,null,null,3,null,null,null,null,null,null,null,0,null,null,null,null,4,5,null,null],"solution":[7,0,4,5,8,6,1,2,3,3,1,8,2,7,0,4,6,5,5,6,2,4,3,1,8,0,7,6,8,0,3,4,7,2,5,1,2,5,7,1,6,8,3,4,0,1,4,3,0,2,5,7,8,6,8,2,5,7,0,3,6,1,4,4,3,1,6,5,2,0,7,8,0,7,6,8,1,4,5,3,2]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ 4
-_ _ _  _ _ 1  _ 7 _
-_ _ 3  5 _ _  _ _ 8
-
-_ 9 1  _ _ _  3 _ 2
-3 _ _  _ 7 _  4 _ _
-_ 5 _  _ _ 6  _ 9 _
-
-9 _ _  8 1 _  _ 2 _
-_ 4 _  _ _ _  _ _ _
-1 _ _  _ _ 5  6 _ _
-
-SOLUTION:
-8 1 5  6 9 7  2 3 4
-4 2 9  3 8 1  5 7 6
-6 7 3  5 4 2  9 1 8
-
-7 9 1  4 5 8  3 6 2
-3 6 8  2 7 9  4 5 1
-2 5 4  1 3 6  8 9 7
-
-9 3 6  8 1 4  7 2 5
-5 4 2  7 6 3  1 8 9
-1 8 7  9 2 5  6 4 3
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,7,null,5,0,2,null,7,1,null,null,null,null,null,5,null,6,null,null,null,null,0,null,null,1,3,null,7,null,null,6,null,null,null,8,null,3,null,null,null,1,null,0,2,null,null,4,8,null,null,null,null,null,null,1,6,null,1,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,0],"solution":[2,4,3,1,8,0,6,5,7,6,5,0,2,4,7,1,8,3,1,8,7,5,3,6,4,0,2,4,0,8,6,1,3,2,7,5,7,6,2,4,5,8,0,3,1,5,3,1,7,0,2,8,6,4,8,2,5,0,7,4,3,1,6,0,1,6,3,2,5,7,4,8,3,7,4,8,6,1,5,2,0]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ 8
-_ 6 1  3 _ 8  2 _ _
-_ _ _  6 _ 7  _ _ _
-
-_ 1 _  _ 2 4  _ 8 _
-_ 7 _  _ _ 9  _ 4 _
-_ _ 2  _ 1 3  _ _ 5
-
-9 _ _  _ _ _  _ 2 7
-_ 2 _  _ _ _  _ 5 _
-_ _ _  _ _ _  _ _ 1
-
-SOLUTION:
-3 5 4  2 9 1  7 6 8
-7 6 1  3 5 8  2 9 4
-2 9 8  6 4 7  5 1 3
-
-5 1 9  7 2 4  3 8 6
-8 7 3  5 6 9  1 4 2
-6 4 2  8 1 3  9 7 5
-
-9 3 6  1 8 5  4 2 7
-1 2 7  4 3 6  8 5 9
-4 8 5  9 7 2  6 3 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,7,null,null,2,8,null,7,null,null,null,null,6,null,null,null,null,null,2,null,1,null,null,null,1,null,null,null,null,null,3,null,null,null,null,null,null,8,null,8,null,null,6,null,4,0,null,null,null,null,5,4,3,null,null,null,null,1,null,null,null,0,null,4,null,null,null,null,7,null,null,null,null,0,6],"solution":[5,4,1,3,6,2,8,7,0,0,2,8,5,7,1,3,6,4,6,7,3,8,4,0,2,5,1,7,5,0,1,8,3,6,4,2,3,6,4,0,2,7,1,8,5,8,1,2,6,5,4,0,3,7,2,0,5,4,3,6,7,1,8,1,8,6,7,0,5,4,2,3,4,3,7,2,1,8,5,0,6]}
-PUZZLE:
-_ _ 2  _ _ _  _ 8 _
-_ 3 9  _ 8 _  _ _ _
-7 _ _  _ _ _  3 _ 2
-
-_ _ _  2 _ _  _ _ _
-4 _ _  _ _ _  _ 9 _
-9 _ _  7 _ 5  1 _ _
-
-_ _ 6  5 4 _  _ _ _
-2 _ _  _ 1 _  5 _ _
-_ _ 8  _ _ _  _ 1 7
-
-SOLUTION:
-6 5 2  4 7 3  9 8 1
-1 3 9  6 8 2  4 7 5
-7 8 4  9 5 1  3 6 2
-
-8 6 1  2 9 4  7 5 3
-4 7 5  1 3 8  2 9 6
-9 2 3  7 6 5  1 4 8
-
-3 1 6  5 4 7  8 2 9
-2 9 7  8 1 6  5 3 4
-5 4 8  3 2 9  6 1 7
-
-RATING: 1
-DATA:
-{"puzzle":[3,null,null,0,null,null,2,8,null,0,null,null,null,7,null,null,null,null,null,null,5,null,null,8,6,null,null,null,5,null,3,null,null,4,null,null,4,null,3,null,null,7,null,5,null,null,0,null,null,8,null,null,null,null,null,null,null,null,null,4,1,null,8,null,null,4,null,null,null,null,null,null,1,null,7,null,2,null,null,null,null],"solution":[3,4,1,0,5,6,2,8,7,0,8,6,2,7,3,5,1,4,2,7,5,1,4,8,6,0,3,7,5,8,3,1,2,4,6,0,4,1,3,6,0,7,8,5,2,6,0,2,4,8,5,7,3,1,5,3,0,7,6,4,1,2,8,8,2,4,5,3,1,0,7,6,1,6,7,8,2,0,3,4,5]}
-PUZZLE:
-4 _ _  1 _ _  3 9 _
-1 _ _  _ 8 _  _ _ _
-_ _ 6  _ _ 9  7 _ _
-
-_ 6 _  4 _ _  5 _ _
-5 _ 4  _ _ 8  _ 6 _
-_ 1 _  _ 9 _  _ _ _
-
-_ _ _  _ _ 5  2 _ 9
-_ _ 5  _ _ _  _ _ _
-2 _ 8  _ 3 _  _ _ _
-
-SOLUTION:
-4 5 2  1 6 7  3 9 8
-1 9 7  3 8 4  6 2 5
-3 8 6  2 5 9  7 1 4
-
-8 6 9  4 2 3  5 7 1
-5 2 4  7 1 8  9 6 3
-7 1 3  5 9 6  8 4 2
-
-6 4 1  8 7 5  2 3 9
-9 3 5  6 4 2  1 8 7
-2 7 8  9 3 1  4 5 6
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,3,null,null,null,5,null,null,null,4,null,5,1,8,null,null,3,null,null,7,6,null,2,4,null,7,0,null,null,null,null,null,1,null,null,null,8,null,null,6,null,null,null,null,1,null,null,8,null,null,null,null,null,null,null,null,null,5,null,null,7,null,null,2,null,null,null,4,null,0,null,7,null,4,null,null,null,null,null],"solution":[1,8,7,3,4,2,0,5,6,2,6,4,0,5,1,8,7,3,3,5,0,7,6,8,2,4,1,7,0,5,2,3,4,6,1,8,4,2,8,1,7,6,3,0,5,6,1,3,5,8,0,7,2,4,0,4,6,8,2,5,1,3,7,5,3,2,6,1,7,4,8,0,8,7,1,4,0,3,5,6,2]}
-PUZZLE:
-_ _ _  4 _ _  _ 6 _
-_ _ 5  _ 6 2  9 _ _
-4 _ _  8 7 _  3 5 _
-
-8 1 _  _ _ _  _ 2 _
-_ _ 9  _ _ 7  _ _ _
-_ 2 _  _ 9 _  _ _ _
-
-_ _ _  _ _ 6  _ _ 8
-_ _ 3  _ _ _  5 _ 1
-_ 8 _  5 _ _  _ _ _
-
-SOLUTION:
-2 9 8  4 5 3  1 6 7
-3 7 5  1 6 2  9 8 4
-4 6 1  8 7 9  3 5 2
-
-8 1 6  3 4 5  7 2 9
-5 3 9  2 8 7  4 1 6
-7 2 4  6 9 1  8 3 5
-
-1 5 7  9 3 6  2 4 8
-6 4 3  7 2 8  5 9 1
-9 8 2  5 1 4  6 7 3
-
-RATING: 5
-DATA:
-{"puzzle":[null,null,8,3,6,null,null,null,null,null,6,null,null,null,null,4,null,null,null,null,5,null,null,2,7,null,null,null,null,3,0,null,null,null,null,8,6,null,null,1,null,null,null,null,null,7,null,4,null,null,null,5,null,null,null,null,6,null,0,null,null,5,null,null,null,null,null,null,null,1,2,null,null,null,null,null,8,1,null,null,7],"solution":[4,7,8,3,6,5,0,1,2,2,6,1,8,7,0,4,3,5,0,3,5,4,1,2,7,8,6,5,1,3,0,4,7,2,6,8,6,0,2,1,5,8,3,7,4,7,8,4,6,2,3,5,0,1,1,2,6,7,0,4,8,5,3,8,4,7,5,3,6,1,2,0,3,5,0,2,8,1,6,4,7]}
-PUZZLE:
-_ _ 9  4 7 _  _ _ _
-_ 7 _  _ _ _  5 _ _
-_ _ 6  _ _ 3  8 _ _
-
-_ _ 4  1 _ _  _ _ 9
-7 _ _  2 _ _  _ _ _
-8 _ 5  _ _ _  6 _ _
-
-_ _ 7  _ 1 _  _ 6 _
-_ _ _  _ _ _  2 3 _
-_ _ _  _ 9 2  _ _ 8
-
-SOLUTION:
-5 8 9  4 7 6  1 2 3
-3 7 2  9 8 1  5 4 6
-1 4 6  5 2 3  8 9 7
-
-6 2 4  1 5 8  3 7 9
-7 1 3  2 6 9  4 8 5
-8 9 5  7 3 4  6 1 2
-
-2 3 7  8 1 5  9 6 4
-9 5 8  6 4 7  2 3 1
-4 6 1  3 9 2  7 5 8
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,3,null,null,null,8,1,null,4,null,8,null,null,7,3,null,5,null,null,null,7,2,null,5,null,null,6,8,null,null,null,null,7,null,null,null,2,0,6,8,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,2,4,3,null,null,null,null,null,null,null,null,null,null,null,null,3,5,null,null,0,null,1],"solution":[5,3,2,0,6,8,1,7,4,6,8,4,1,7,3,2,5,0,0,1,7,2,4,5,3,8,6,8,4,1,6,3,7,5,0,2,2,0,6,8,5,1,7,4,3,3,7,5,4,2,0,6,1,8,1,6,8,7,0,2,4,3,5,4,5,0,3,1,6,8,2,7,7,2,3,5,8,4,0,6,1]}
-PUZZLE:
-_ 4 _  _ _ 9  2 _ 5
-_ 9 _  _ 8 4  _ 6 _
-_ _ 8  3 _ 6  _ _ 7
-
-9 _ _  _ _ 8  _ _ _
-3 1 7  9 _ _  _ _ _
-_ _ _  _ _ _  7 _ _
-
-_ _ _  _ _ 3  5 4 _
-_ _ _  _ _ _  _ _ _
-_ _ 4  6 _ _  1 _ 2
-
-SOLUTION:
-6 4 3  1 7 9  2 8 5
-7 9 5  2 8 4  3 6 1
-1 2 8  3 5 6  4 9 7
-
-9 5 2  7 4 8  6 1 3
-3 1 7  9 6 2  8 5 4
-4 8 6  5 3 1  7 2 9
-
-2 7 9  8 1 3  5 4 6
-5 6 1  4 2 7  9 3 8
-8 3 4  6 9 5  1 7 2
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,0,null,null,6,null,null,2,6,5,7,null,null,null,null,null,null,null,3,null,null,null,null,null,6,null,null,null,null,null,8,1,4,null,8,3,null,null,null,null,null,7,null,null,null,7,null,null,null,2,null,null,null,7,8,2,1,null,null,null,null,3,4,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null],"solution":[4,5,8,1,0,2,7,6,3,3,2,6,5,7,8,1,4,0,7,1,0,3,6,4,2,5,8,6,7,5,2,3,0,8,1,4,2,8,3,4,1,5,6,0,7,0,4,1,7,8,6,3,2,5,5,0,7,8,2,1,4,3,6,1,3,4,6,5,7,0,8,2,8,6,2,0,4,3,5,7,1]}
-PUZZLE:
-5 _ _  _ 1 _  _ 7 _
-_ 3 7  6 8 _  _ _ _
-_ _ _  4 _ _  _ _ _
-
-7 _ _  _ _ _  9 2 5
-_ 9 4  _ _ _  _ _ 8
-_ _ _  8 _ _  _ 3 _
-
-_ _ 8  9 3 2  _ _ _
-_ 4 5  _ _ _  _ _ _
-_ 7 _  _ _ _  _ _ _
-
-SOLUTION:
-5 6 9  2 1 3  8 7 4
-4 3 7  6 8 9  2 5 1
-8 2 1  4 7 5  3 6 9
-
-7 8 6  3 4 1  9 2 5
-3 9 4  5 2 6  7 1 8
-1 5 2  8 9 7  4 3 6
-
-6 1 8  9 3 2  5 4 7
-2 4 5  7 6 8  1 9 3
-9 7 3  1 5 4  6 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,null,1,null,null,null,null,null,null,2,null,null,null,3,6,null,null,2,0,null,8,null,5,8,4,null,null,1,null,null,2,null,null,null,null,0,8,3,null,null,4,null,null,null,null,null,null,0,null,null,2,null,null,null,6,0,7,5,null,null,null,null,3,null,null,null,null,8,null,null,null,null,null,null,null],"solution":[8,2,5,0,7,4,3,6,1,1,0,4,3,6,8,2,7,5,7,3,6,5,1,2,0,4,8,0,5,8,4,3,7,1,2,6,2,7,1,6,5,0,8,3,4,6,4,3,2,8,1,7,5,0,3,1,2,8,4,5,6,0,7,5,6,7,1,0,3,4,8,2,4,8,0,7,2,6,5,1,3]}
-PUZZLE:
-_ _ _  _ 8 _  _ _ 2
-_ _ _  _ _ _  3 _ _
-_ 4 7  _ _ 3  1 _ 9
-
-_ 6 9  5 _ _  2 _ _
-3 _ _  _ _ 1  9 4 _
-_ 5 _  _ _ _  _ _ 1
-
-_ _ 3  _ _ _  7 1 8
-6 _ _  _ _ 4  _ _ _
-_ 9 _  _ _ _  _ _ _
-
-SOLUTION:
-9 3 6  1 8 5  4 7 2
-2 1 5  4 7 9  3 8 6
-8 4 7  6 2 3  1 5 9
-
-1 6 9  5 4 8  2 3 7
-3 8 2  7 6 1  9 4 5
-7 5 4  3 9 2  8 6 1
-
-4 2 3  9 5 6  7 1 8
-6 7 8  2 1 4  5 9 3
-5 9 1  8 3 7  6 2 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,3,null,null,null,null,null,null,null,null,null,null,1,5,null,null,3,7,null,null,null,null,4,null,null,null,null,null,2,null,7,6,0,null,null,null,null,null,4,null,null,null,null,2,null,null,6,8,null,3,null,null,1,null,null,8,3,null,null,null,6,null,null,7,null,null,null,null,null,5,null,null,2,0,null,null,null,null,1],"solution":[0,5,8,3,6,4,1,7,2,4,2,6,7,0,1,5,8,3,3,7,1,5,2,8,4,6,0,8,1,3,2,5,7,6,0,4,7,6,0,1,4,3,2,5,8,2,4,5,6,8,0,3,1,7,1,0,4,8,3,5,7,2,6,6,8,7,4,1,2,0,3,5,5,3,2,0,7,6,8,4,1]}
-PUZZLE:
-_ _ _  4 _ _  _ _ _
-_ _ _  _ _ 2  6 _ _
-4 8 _  _ _ _  5 _ _
-
-_ _ _  3 _ 8  7 1 _
-_ _ _  _ 5 _  _ _ _
-3 _ _  7 9 _  4 _ _
-
-2 _ _  9 4 _  _ _ 7
-_ _ 8  _ _ _  _ _ 6
-_ _ 3  1 _ _  _ _ 2
-
-SOLUTION:
-1 6 9  4 7 5  2 8 3
-5 3 7  8 1 2  6 9 4
-4 8 2  6 3 9  5 7 1
-
-9 2 4  3 6 8  7 1 5
-8 7 1  2 5 4  3 6 9
-3 5 6  7 9 1  4 2 8
-
-2 1 5  9 4 6  8 3 7
-7 9 8  5 2 3  1 4 6
-6 4 3  1 8 7  9 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,2,4,0,null,null,null,null,null,1,null,6,4,8,7,null,null,null,null,null,5,null,1,null,null,null,null,7,4,null,null,null,null,null,null,null,0,null,null,8,null,3,null,null,5,2,5,null,null,0,null,null,null,null,null,null,null,null,2,5,3,7,null,3,null,null,null,null,null,null,8,null],"solution":[8,7,3,2,5,1,6,0,4,5,2,4,0,3,6,8,1,7,1,0,6,4,8,7,2,5,3,6,3,5,7,1,0,4,2,8,7,4,8,5,6,2,0,3,1,0,1,2,8,4,3,7,6,5,2,5,7,3,0,8,1,4,6,4,8,1,6,2,5,3,7,0,3,6,0,1,7,4,5,8,2]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 3 5  1 _ _  _ _ _
-2 _ 7  5 9 8  _ _ _
-
-_ _ 6  _ 2 _  _ _ _
-8 5 _  _ _ _  _ _ _
-1 _ _  9 _ 4  _ _ 6
-
-3 6 _  _ 1 _  _ _ _
-_ _ _  _ 3 6  4 8 _
-4 _ _  _ _ _  _ 9 _
-
-SOLUTION:
-9 8 4  3 6 2  7 1 5
-6 3 5  1 4 7  9 2 8
-2 1 7  5 9 8  3 6 4
-
-7 4 6  8 2 1  5 3 9
-8 5 9  6 7 3  1 4 2
-1 2 3  9 5 4  8 7 6
-
-3 6 8  4 1 9  2 5 7
-5 9 2  7 3 6  4 8 1
-4 7 1  2 8 5  6 9 3
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,null,null,null,null,4,null,8,null,null,null,4,null,1,null,3,null,null,null,null,0,null,8,7,null,null,null,null,null,5,null,null,null,null,null,6,null,null,null,null,null,3,null,null,2,8,null,null,null,4,5,null,null,null,null,2,null,null,null,6,null,7,null,0,null,8,null,null,null,null,4,null,5,4,null,1,null,null,null,null],"solution":[5,6,1,7,2,3,4,0,8,0,7,8,4,6,1,2,3,5,4,2,3,0,5,8,7,6,1,1,3,7,5,0,6,8,4,2,6,4,5,2,8,7,3,1,0,2,8,0,1,3,4,5,7,6,8,1,2,3,4,0,6,5,7,3,0,6,8,7,5,1,2,4,7,5,4,6,1,2,0,8,3]}
-PUZZLE:
-6 _ _  _ _ _  5 _ 9
-_ _ _  5 _ 2  _ 4 _
-_ _ _  1 _ 9  8 _ _
-
-_ _ _  6 _ _  _ _ _
-7 _ _  _ _ _  4 _ _
-3 9 _  _ _ 5  6 _ _
-
-_ _ 3  _ _ _  7 _ 8
-_ 1 _  9 _ _  _ _ 5
-_ 6 5  _ 2 _  _ _ _
-
-SOLUTION:
-6 7 2  8 3 4  5 1 9
-1 8 9  5 7 2  3 4 6
-5 3 4  1 6 9  8 7 2
-
-2 4 8  6 1 7  9 5 3
-7 5 6  3 9 8  4 2 1
-3 9 1  2 4 5  6 8 7
-
-9 2 3  4 5 1  7 6 8
-4 1 7  9 8 6  2 3 5
-8 6 5  7 2 3  1 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,2,3,1,null,null,0,null,null,null,null,null,8,null,5,null,null,null,null,null,6,null,null,null,null,null,4,null,3,7,null,null,null,3,null,null,6,8,null,null,8,null,null,7,null,null,null,null,null,7,6,8,null,null,null,null,2,null,5,null,null,null,null,null,null,8,4,null,null,1,null,2,7,null,null],"solution":[7,6,0,4,1,5,8,2,3,1,2,3,0,6,8,4,7,5,8,4,5,2,3,7,1,0,6,6,1,2,5,8,4,0,3,7,5,0,7,3,2,1,6,8,4,3,8,4,6,7,0,2,5,1,0,7,6,8,4,3,5,1,2,2,5,1,7,0,6,3,4,8,4,3,8,1,5,2,7,6,0]}
-PUZZLE:
-_ _ _  _ _ _  _ 3 4
-2 _ _  1 _ _  _ _ _
-9 _ 6  _ _ _  _ _ 7
-
-_ _ _  _ _ 5  _ 4 8
-_ _ _  4 _ _  7 9 _
-_ 9 _  _ 8 _  _ _ _
-
-_ 8 7  9 _ _  _ _ 3
-_ 6 _  _ _ _  _ _ 9
-5 _ _  2 _ 3  8 _ _
-
-SOLUTION:
-8 7 1  5 2 6  9 3 4
-2 3 4  1 7 9  5 8 6
-9 5 6  3 4 8  2 1 7
-
-7 2 3  6 9 5  1 4 8
-6 1 8  4 3 2  7 9 5
-4 9 5  7 8 1  3 6 2
-
-1 8 7  9 5 4  6 2 3
-3 6 2  8 1 7  4 5 9
-5 4 9  2 6 3  8 7 1
-
-RATING: 5
-DATA:
-{"puzzle":[null,5,null,null,null,8,null,null,null,3,null,null,null,null,null,null,8,2,null,0,null,null,null,2,3,7,4,null,7,null,null,8,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,8,null,null,7,null,0,null,null,8,null,5,null,null,null,null,null,4,null,null,null,null,null,null,null,0,null,null,null,1,3,null,2,null,null],"solution":[2,5,7,3,4,8,0,6,1,3,4,6,7,0,1,5,8,2,8,0,1,6,5,2,3,7,4,6,7,4,0,8,3,1,2,5,0,1,3,2,6,5,8,4,7,5,2,8,4,1,7,6,0,3,1,8,2,5,7,0,4,3,6,4,3,5,8,2,6,7,1,0,7,6,0,1,3,4,2,5,8]}
-PUZZLE:
-_ 6 _  _ _ 9  _ _ _
-4 _ _  _ _ _  _ 9 3
-_ 1 _  _ _ 3  4 8 5
-
-_ 8 _  _ 9 _  _ _ _
-_ _ 4  _ _ _  _ _ _
-_ _ 9  _ _ 8  _ 1 _
-
-_ 9 _  6 _ _  _ _ _
-5 _ _  _ _ _  _ _ 1
-_ _ _  2 4 _  3 _ _
-
-SOLUTION:
-3 6 8  4 5 9  1 7 2
-4 5 7  8 1 2  6 9 3
-9 1 2  7 6 3  4 8 5
-
-7 8 5  1 9 4  2 3 6
-1 2 4  3 7 6  9 5 8
-6 3 9  5 2 8  7 1 4
-
-2 9 3  6 8 1  5 4 7
-5 4 6  9 3 7  8 2 1
-8 7 1  2 4 5  3 6 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,6,5,null,null,null,1,7,null,null,null,null,7,null,null,null,2,8,null,null,null,null,null,5,null,null,4,null,8,2,1,null,3,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,5,3,8,0,null,null,null,null,null,null,null,null,null,3,null,7,null,null,null,null,null,null,4,null,2,6,null,null,null],"solution":[4,6,5,3,8,2,1,7,0,0,3,1,7,6,4,5,2,8,7,2,8,0,1,5,6,3,4,5,8,2,1,0,3,4,6,7,3,4,0,6,5,7,2,8,1,6,1,7,2,4,8,0,5,3,8,0,6,5,3,1,7,4,2,2,5,3,4,7,0,8,1,6,1,7,4,8,2,6,3,0,5]}
-PUZZLE:
-_ 7 6  _ _ _  2 8 _
-_ _ _  8 _ _  _ 3 9
-_ _ _  _ _ 6  _ _ 5
-
-_ 9 3  2 _ 4  5 _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 5 _  _ 6 4
-
-9 1 _  _ _ _  _ _ _
-_ _ 4  _ 8 _  _ _ _
-_ _ 5  _ 3 7  _ _ _
-
-SOLUTION:
-5 7 6  4 9 3  2 8 1
-1 4 2  8 7 5  6 3 9
-8 3 9  1 2 6  7 4 5
-
-6 9 3  2 1 4  5 7 8
-4 5 1  7 6 8  3 9 2
-7 2 8  3 5 9  1 6 4
-
-9 1 7  6 4 2  8 5 3
-3 6 4  5 8 1  9 2 7
-2 8 5  9 3 7  4 1 6
-
-RATING: 4
-DATA:
-{"puzzle":[null,7,null,null,6,null,null,null,null,null,null,null,null,null,null,6,4,null,null,null,null,5,1,null,8,null,null,null,null,null,null,7,0,4,1,null,null,null,0,null,null,null,null,6,null,7,null,8,null,null,null,null,0,null,null,6,4,7,8,null,null,null,null,3,2,null,null,0,4,null,null,null,0,null,7,null,null,null,null,null,null],"solution":[5,7,2,4,6,8,0,3,1,8,3,1,0,2,7,6,4,5,4,0,6,5,1,3,8,7,2,6,5,3,2,7,0,4,1,8,2,4,0,8,3,1,5,6,7,7,1,8,6,4,5,2,0,3,1,6,4,7,8,2,3,5,0,3,2,5,1,0,4,7,8,6,0,8,7,3,5,6,1,2,4]}
-PUZZLE:
-_ 8 _  _ 7 _  _ _ _
-_ _ _  _ _ _  7 5 _
-_ _ _  6 2 _  9 _ _
-
-_ _ _  _ 8 1  5 2 _
-_ _ 1  _ _ _  _ 7 _
-8 _ 9  _ _ _  _ 1 _
-
-_ 7 5  8 9 _  _ _ _
-4 3 _  _ 1 5  _ _ _
-1 _ 8  _ _ _  _ _ _
-
-SOLUTION:
-6 8 3  5 7 9  1 4 2
-9 4 2  1 3 8  7 5 6
-5 1 7  6 2 4  9 8 3
-
-7 6 4  3 8 1  5 2 9
-3 5 1  9 4 2  6 7 8
-8 2 9  7 5 6  3 1 4
-
-2 7 5  8 9 3  4 6 1
-4 3 6  2 1 5  8 9 7
-1 9 8  4 6 7  2 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,8,2,6,null,5,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,4,3,null,null,3,null,5,null,null,1,null,null,0,1,null,null,null,null,2,null,8,null,null,null,null,null,7,null,null,null,null,null,1,8,5,2,null,null,5,null,null,null,null,null,null,null,0,6,null,2,null,null,null,null,null,null],"solution":[3,7,8,2,6,4,5,0,1,0,5,4,3,1,8,6,7,2,1,2,6,5,7,0,8,4,3,2,6,3,4,5,7,0,1,8,7,0,1,8,3,6,4,2,5,8,4,5,0,2,1,7,3,6,4,3,0,1,8,5,2,6,7,5,1,7,6,4,2,3,8,0,6,8,2,7,0,3,1,5,4]}
-PUZZLE:
-4 _ 9  3 7 _  6 _ _
-_ _ 5  _ _ _  _ _ _
-_ _ _  _ _ _  _ 5 4
-
-_ _ 4  _ 6 _  _ 2 _
-_ 1 2  _ _ _  _ 3 _
-9 _ _  _ _ _  8 _ _
-
-_ _ _  2 9 6  3 _ _
-6 _ _  _ _ _  _ _ 1
-7 _ 3  _ _ _  _ _ _
-
-SOLUTION:
-4 8 9  3 7 5  6 1 2
-1 6 5  4 2 9  7 8 3
-2 3 7  6 8 1  9 5 4
-
-3 7 4  5 6 8  1 2 9
-8 1 2  9 4 7  5 3 6
-9 5 6  1 3 2  8 4 7
-
-5 4 1  2 9 6  3 7 8
-6 2 8  7 5 3  4 9 1
-7 9 3  8 1 4  2 6 5
-
-RATING: 1
-DATA:
-{"puzzle":[4,null,null,null,2,null,null,null,null,null,2,null,8,null,null,0,null,3,null,null,7,4,null,5,null,null,1,null,7,null,null,4,null,null,null,null,null,0,null,null,null,null,null,null,2,null,null,null,null,8,6,null,5,null,null,null,null,null,null,null,4,6,null,1,4,null,6,null,null,null,null,null,null,null,null,null,7,null,null,0,null],"solution":[4,8,1,3,2,0,5,7,6,6,2,5,8,1,7,0,4,3,0,3,7,4,6,5,8,2,1,8,7,6,5,4,2,3,1,0,5,0,4,7,3,1,6,8,2,2,1,3,0,8,6,7,5,4,7,5,2,1,0,3,4,6,8,1,4,0,6,5,8,2,3,7,3,6,8,2,7,4,1,0,5]}
-PUZZLE:
-5 _ _  _ 3 _  _ _ _
-_ 3 _  9 _ _  1 _ 4
-_ _ 8  5 _ 6  _ _ 2
-
-_ 8 _  _ 5 _  _ _ _
-_ 1 _  _ _ _  _ _ 3
-_ _ _  _ 9 7  _ 6 _
-
-_ _ _  _ _ _  5 7 _
-2 5 _  7 _ _  _ _ _
-_ _ _  _ 8 _  _ 1 _
-
-SOLUTION:
-5 9 2  4 3 1  6 8 7
-7 3 6  9 2 8  1 5 4
-1 4 8  5 7 6  9 3 2
-
-9 8 7  6 5 3  4 2 1
-6 1 5  8 4 2  7 9 3
-3 2 4  1 9 7  8 6 5
-
-8 6 3  2 1 4  5 7 9
-2 5 1  7 6 9  3 4 8
-4 7 9  3 8 5  2 1 6
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,5,null,null,0,null,7,4,null,null,null,null,6,null,null,0,null,3,7,null,null,7,null,null,null,2,null,null,null,null,null,5,null,null,null,1,null,4,null,null,4,null,null,null,null,0,7,3,1,null,null,null,null,null,null,null,2,null,null,3,null,null,null,null,null,null,0,8,null,null,1,null,5,null,null],"solution":[4,7,8,1,6,2,3,5,0,3,0,2,7,4,5,6,1,8,6,1,5,0,8,3,7,2,4,7,3,6,4,2,0,1,8,5,8,5,0,3,7,1,2,4,6,2,4,1,6,5,8,0,7,3,1,6,7,5,3,4,8,0,2,5,2,3,8,0,7,4,6,1,0,8,4,2,1,6,5,3,7]}
-PUZZLE:
-_ _ _  _ _ 3  _ 6 _
-_ 1 _  8 5 _  _ _ _
-7 _ _  1 _ 4  8 _ _
-
-8 _ _  _ 3 _  _ _ _
-_ 6 _  _ _ 2  _ 5 _
-_ 5 _  _ _ _  1 8 4
-
-2 _ _  _ _ _  _ _ 3
-_ _ 4  _ _ _  _ _ _
-1 9 _  _ 2 _  6 _ _
-
-SOLUTION:
-5 8 9  2 7 3  4 6 1
-4 1 3  8 5 6  7 2 9
-7 2 6  1 9 4  8 3 5
-
-8 4 7  5 3 1  2 9 6
-9 6 1  4 8 2  3 5 7
-3 5 2  7 6 9  1 8 4
-
-2 7 8  6 4 5  9 1 3
-6 3 4  9 1 8  5 7 2
-1 9 5  3 2 7  6 4 8
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,3,7,null,null,null,null,null,null,6,5,null,null,null,null,2,3,null,null,null,null,4,null,null,null,null,8,null,null,4,null,null,null,1,null,null,1,null,null,2,8,null,4,null,6,null,null,null,1,null,null,null,2,null,2,null,6,null,7,0,null,null,null,null,null,null,null,null,null,null,null,null,3,7,null,8,4,null,null,6,null],"solution":[4,3,7,5,2,8,6,0,1,6,5,8,7,0,1,2,3,4,0,1,2,4,6,3,5,7,8,7,2,4,0,5,6,1,8,3,1,0,3,2,8,7,4,5,6,8,6,5,1,3,4,7,2,0,2,4,6,3,7,0,8,1,5,5,8,0,6,1,2,3,4,7,3,7,1,8,4,5,0,6,2]}
-PUZZLE:
-_ 4 8  _ _ _  _ _ _
-7 6 _  _ _ _  3 4 _
-_ _ _  5 _ _  _ _ 9
-
-_ _ 5  _ _ _  2 _ _
-2 _ _  3 9 _  5 _ 7
-_ _ _  2 _ _  _ 3 _
-
-3 _ 7  _ 8 1  _ _ _
-_ _ _  _ _ _  _ _ _
-4 8 _  9 5 _  _ 7 _
-
-SOLUTION:
-5 4 8  6 3 9  7 1 2
-7 6 9  8 1 2  3 4 5
-1 2 3  5 7 4  6 8 9
-
-8 3 5  1 6 7  2 9 4
-2 1 4  3 9 8  5 6 7
-9 7 6  2 4 5  8 3 1
-
-3 5 7  4 8 1  9 2 6
-6 9 1  7 2 3  4 5 8
-4 8 2  9 5 6  1 7 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,8,6,null,null,0,null,2,null,null,null,null,null,null,null,5,null,6,null,null,null,null,null,null,null,null,null,4,null,7,null,null,null,null,8,null,null,null,null,null,8,null,7,0,1,null,null,2,null,null,5,null,null,null,null,null,null,null,2,null,null,null,null,null,6,4,0,null,null,null,null,null,null,null,5,1,7,null,0,null,null],"solution":[3,8,6,5,1,0,4,2,7,7,2,0,8,4,3,5,1,6,5,4,1,2,6,7,8,3,0,4,0,7,6,3,1,2,8,5,6,5,3,4,8,2,7,0,1,8,1,2,7,0,5,6,4,3,0,7,8,3,2,6,1,5,4,1,6,4,0,5,8,3,7,2,2,3,5,1,7,4,0,6,8]}
-PUZZLE:
-_ 9 7  _ _ 1  _ 3 _
-_ _ _  _ _ _  6 _ 7
-_ _ _  _ _ _  _ _ _
-
-5 _ 8  _ _ _  _ 9 _
-_ _ _  _ 9 _  8 1 2
-_ _ 3  _ _ 6  _ _ _
-
-_ _ _  _ 3 _  _ _ _
-_ 7 5  1 _ _  _ _ _
-_ _ 6  2 8 _  1 _ _
-
-SOLUTION:
-4 9 7  6 2 1  5 3 8
-8 3 1  9 5 4  6 2 7
-6 5 2  3 7 8  9 4 1
-
-5 1 8  7 4 2  3 9 6
-7 6 4  5 9 3  8 1 2
-9 2 3  8 1 6  7 5 4
-
-1 8 9  4 3 7  2 6 5
-2 7 5  1 6 9  4 8 3
-3 4 6  2 8 5  1 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,4,3,null,null,null,6,4,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,6,null,null,null,null,null,2,null,null,null,3,5,null,null,null,null,null,null,null,null,null,null,1,2,4,null,null,8,null,null,5,4,null,null,null,0,null,2,null,null,null,6,null,null,1,null,null,7,null,0,null,3,null,null],"solution":[7,5,2,4,3,0,1,8,6,4,0,1,8,6,7,5,3,2,3,8,6,1,2,5,0,7,4,6,1,4,7,5,3,2,0,8,2,3,5,0,8,4,6,1,7,0,7,8,6,1,2,4,5,3,8,6,3,5,4,1,7,2,0,5,2,0,3,7,6,8,4,1,1,4,7,2,0,8,3,6,5]}
-PUZZLE:
-8 _ _  5 4 _  _ _ 7
-5 _ _  _ _ _  _ _ _
-_ _ _  _ _ 6  _ _ _
-
-7 _ _  _ _ _  3 _ _
-_ 4 6  _ _ _  _ _ _
-_ _ _  _ 2 3  5 _ _
-
-9 _ _  6 5 _  _ _ 1
-_ 3 _  _ _ 7  _ _ 2
-_ _ 8  _ 1 _  4 _ _
-
-SOLUTION:
-8 6 3  5 4 1  2 9 7
-5 1 2  9 7 8  6 4 3
-4 9 7  2 3 6  1 8 5
-
-7 2 5  8 6 4  3 1 9
-3 4 6  1 9 5  7 2 8
-1 8 9  7 2 3  5 6 4
-
-9 7 4  6 5 2  8 3 1
-6 3 1  4 8 7  9 5 2
-2 5 8  3 1 9  4 7 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,4,null,null,null,null,6,null,7,5,null,8,null,0,null,8,null,1,null,null,null,7,2,null,0,1,8,null,null,null,null,7,null,null,2,null,0,null,null,null,null,null,null,4,null,null,2,null,null,null,null,4,null,null,null,null,null,8,8,null,1,3,null,null,7,5,null,null,null,null,null,null,null,null,3,null],"solution":[1,5,7,8,3,2,4,0,6,4,2,6,0,7,5,3,8,1,0,3,8,6,1,4,5,2,7,2,4,0,1,8,3,6,7,5,7,1,5,2,6,0,8,4,3,6,8,3,4,5,7,2,1,0,3,7,4,5,2,1,0,6,8,8,0,1,3,4,6,7,5,2,5,6,2,7,0,8,1,3,4]}
-PUZZLE:
-_ _ _  _ _ _  5 _ _
-_ _ 7  _ 8 6  _ 9 _
-1 _ 9  _ 2 _  _ _ 8
-
-3 _ 1  2 9 _  _ _ _
-8 _ _  3 _ 1  _ _ _
-_ _ _  5 _ _  3 _ _
-
-_ _ 5  _ _ _  _ _ 9
-9 _ 2  4 _ _  8 6 _
-_ _ _  _ _ _  _ 4 _
-
-SOLUTION:
-2 6 8  9 4 3  5 1 7
-5 3 7  1 8 6  4 9 2
-1 4 9  7 2 5  6 3 8
-
-3 5 1  2 9 4  7 8 6
-8 2 6  3 7 1  9 5 4
-7 9 4  5 6 8  3 2 1
-
-4 8 5  6 3 2  1 7 9
-9 1 2  4 5 7  8 6 3
-6 7 3  8 1 9  2 4 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[8,null,null,null,4,3,null,null,7,4,null,3,7,null,null,0,2,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,8,null,null,null,null,null,null,4,1,null,null,null,null,1,null,null,null,0,null,6,null,4,2,0,4,null,null,null,null,null,null,null,null,null,0,5,null,null,null,null,7,null,5,null,null,null,8,3,null],"solution":[8,1,0,2,4,3,5,6,7,4,5,3,7,6,1,0,2,8,6,2,7,5,8,0,4,1,3,5,4,2,6,7,8,3,0,1,0,3,6,4,1,5,7,8,2,1,7,8,3,0,2,6,5,4,2,0,4,8,3,6,1,7,5,3,8,1,0,5,7,2,4,6,7,6,5,1,2,4,8,3,0]}
-PUZZLE:
-9 _ _  _ 5 4  _ _ 8
-5 _ 4  8 _ _  1 3 _
-_ _ _  _ _ _  _ _ 4
-
-_ _ _  _ _ 9  _ _ _
-_ _ _  5 2 _  _ _ _
-2 _ _  _ 1 _  7 _ 5
-
-3 1 5  _ _ _  _ _ _
-_ _ _  1 6 _  _ _ _
-8 _ 6  _ _ _  9 4 _
-
-SOLUTION:
-9 2 1  3 5 4  6 7 8
-5 6 4  8 7 2  1 3 9
-7 3 8  6 9 1  5 2 4
-
-6 5 3  7 8 9  4 1 2
-1 4 7  5 2 6  8 9 3
-2 8 9  4 1 3  7 6 5
-
-3 1 5  9 4 7  2 8 6
-4 9 2  1 6 8  3 5 7
-8 7 6  2 3 5  9 4 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,5,null,null,null,null,5,null,null,6,1,null,null,null,null,3,6,7,null,null,null,null,5,null,null,4,null,null,null,null,null,null,null,1,5,3,4,null,null,null,6,null,null,null,null,null,null,null,2,1,null,7,null,null,null,6,2,null,null,5,null,null,null,0,null,null,null,3,6,null,null,null,null,null,7,null,0,null],"solution":[4,0,1,7,5,3,6,2,8,5,2,8,6,1,4,3,7,0,3,6,7,2,8,0,4,5,1,0,4,2,1,7,6,5,8,3,1,5,3,4,2,8,0,6,7,8,7,6,3,0,5,2,1,4,7,3,0,8,6,2,1,4,5,2,8,5,0,4,1,7,3,6,6,1,4,5,3,7,8,0,2]}
-PUZZLE:
-_ _ _  _ 6 _  _ _ _
-6 _ _  7 2 _  _ _ _
-4 7 8  _ _ _  _ 6 _
-
-_ 5 _  _ _ _  _ _ _
-2 6 4  5 _ _  _ 7 _
-_ _ _  _ _ _  3 2 _
-
-8 _ _  _ 7 3  _ _ 6
-_ _ _  1 _ _  _ 4 7
-_ _ _  _ _ 8  _ 1 _
-
-SOLUTION:
-5 1 2  8 6 4  7 3 9
-6 3 9  7 2 5  4 8 1
-4 7 8  3 9 1  5 6 2
-
-1 5 3  2 8 7  6 9 4
-2 6 4  5 3 9  1 7 8
-9 8 7  4 1 6  3 2 5
-
-8 4 1  9 7 3  2 5 6
-3 9 6  1 5 2  8 4 7
-7 2 5  6 4 8  9 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,null,2,3,null,null,null,5,null,null,1,6,0,null,null,null,3,5,null,null,null,null,null,null,null,null,null,null,6,null,null,0,2,null,null,7,null,null,3,null,null,5,null,null,8,5,null,null,null,null,null,0,4,null,null,null,null,null,null,null,4,null,null,7,null,null,null,null,null,null,6,null,null,null,8,2,7,null,null,null],"solution":[6,0,7,2,3,8,4,1,5,2,4,1,6,0,5,8,7,3,5,3,8,1,7,4,6,2,0,4,1,6,5,8,0,2,3,7,7,2,0,3,4,1,5,6,8,8,5,3,7,6,2,1,0,4,3,8,5,0,1,6,7,4,2,1,7,2,4,5,3,0,8,6,0,6,4,8,2,7,3,5,1]}
-PUZZLE:
-_ 1 _  3 4 _  _ _ 6
-_ _ 2  7 1 _  _ _ 4
-6 _ _  _ _ _  _ _ _
-
-_ _ 7  _ _ 1  3 _ _
-8 _ _  4 _ _  6 _ _
-9 6 _  _ _ _  _ 1 5
-
-_ _ _  _ _ _  _ 5 _
-_ 8 _  _ _ _  _ _ 7
-_ _ _  9 3 8  _ _ _
-
-SOLUTION:
-7 1 8  3 4 9  5 2 6
-3 5 2  7 1 6  9 8 4
-6 4 9  2 8 5  7 3 1
-
-5 2 7  6 9 1  3 4 8
-8 3 1  4 5 2  6 7 9
-9 6 4  8 7 3  2 1 5
-
-4 9 6  1 2 7  8 5 3
-2 8 3  5 6 4  1 9 7
-1 7 5  9 3 8  4 6 2
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,6,null,0,8,4,null,null,null,null,4,null,7,null,null,null,null,null,null,5,null,null,null,3,null,null,null,null,null,null,null,1,2,7,null,null,null,0,8,null,null,null,1,null,null,1,null,0,null,null,null,null,5,3,null,null,null,8,null,null,null,null,6,null,null,null,null,null,0,null,2,null,null,null,null,null,3,null,6,null],"solution":[7,3,6,5,0,8,4,2,1,1,8,4,3,7,2,5,0,6,0,2,5,1,6,4,3,8,7,8,6,3,4,5,1,2,7,0,4,5,0,8,2,7,6,1,3,2,1,7,0,3,6,8,4,5,3,7,2,6,8,0,1,5,4,6,4,8,7,1,5,0,3,2,5,0,1,2,4,3,7,6,8]}
-PUZZLE:
-_ _ 7  _ 1 9  5 _ _
-_ _ 5  _ 8 _  _ _ _
-_ _ 6  _ _ _  4 _ _
-
-_ _ _  _ _ 2  3 8 _
-_ _ 1  9 _ _  _ 2 _
-_ 2 _  1 _ _  _ _ 6
-
-4 _ _  _ 9 _  _ _ _
-7 _ _  _ _ _  1 _ 3
-_ _ _  _ _ 4  _ 7 _
-
-SOLUTION:
-8 4 7  6 1 9  5 3 2
-2 9 5  4 8 3  6 1 7
-1 3 6  2 7 5  4 9 8
-
-9 7 4  5 6 2  3 8 1
-5 6 1  9 3 8  7 2 4
-3 2 8  1 4 7  9 5 6
-
-4 8 3  7 9 1  2 6 5
-7 5 9  8 2 6  1 4 3
-6 1 2  3 5 4  8 7 9
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,7,null,null,null,null,1,null,null,null,null,null,7,4,8,null,4,null,null,null,null,null,0,null,5,null,1,null,null,null,null,null,null,null,8,null,null,null,null,5,null,null,null,null,4,null,6,null,null,2,5,null,null,3,1,null,null,null,null,null,0,null,null,null,null,null,8,null,null,null,null,null,7,2,6,null,null],"solution":[0,2,5,6,4,7,1,3,8,6,1,3,8,0,5,2,7,4,8,7,4,2,3,1,5,6,0,4,5,2,1,8,3,7,0,6,1,6,8,7,2,0,4,5,3,7,3,0,4,5,6,8,1,2,5,4,6,3,1,8,0,2,7,2,0,7,5,6,4,3,8,1,3,8,1,0,7,2,6,4,5]}
-PUZZLE:
-_ _ _  _ _ 8  _ _ _
-_ 2 _  _ _ _  _ 8 5
-9 _ 5  _ _ _  _ _ 1
-
-_ 6 _  2 _ _  _ _ _
-_ _ 9  _ _ _  _ 6 _
-_ _ _  5 _ 7  _ _ 3
-
-6 _ _  4 2 _  _ _ _
-_ 1 _  _ _ _  _ 9 _
-_ _ _  _ 8 3  7 _ _
-
-SOLUTION:
-1 3 6  7 5 8  2 4 9
-7 2 4  9 1 6  3 8 5
-9 8 5  3 4 2  6 7 1
-
-5 6 3  2 9 4  8 1 7
-2 7 9  8 3 1  5 6 4
-8 4 1  5 6 7  9 2 3
-
-6 5 7  4 2 9  1 3 8
-3 1 8  6 7 5  4 9 2
-4 9 2  1 8 3  7 5 6
-
-RATING: 3
-DATA:
-{"puzzle":[8,null,null,null,null,3,null,null,null,2,3,null,null,null,null,null,null,7,null,7,null,null,4,5,null,null,null,null,2,null,null,3,null,0,null,null,null,null,null,null,7,8,5,3,6,null,null,null,null,null,null,1,null,4,null,null,2,8,null,null,null,null,null,1,null,null,null,6,null,null,null,null,6,5,8,null,null,2,null,null,null],"solution":[8,6,5,7,2,3,4,1,0,2,3,4,1,8,0,6,5,7,0,7,1,6,4,5,2,8,3,5,2,6,4,3,1,0,7,8,4,1,0,2,7,8,5,3,6,3,8,7,0,5,6,1,2,4,7,0,2,8,1,4,3,6,5,1,4,3,5,6,7,8,0,2,6,5,8,3,0,2,7,4,1]}
-PUZZLE:
-9 _ _  _ _ 4  _ _ _
-3 4 _  _ _ _  _ _ 8
-_ 8 _  _ 5 6  _ _ _
-
-_ 3 _  _ 4 _  1 _ _
-_ _ _  _ 8 9  6 4 7
-_ _ _  _ _ _  2 _ 5
-
-_ _ 3  9 _ _  _ _ _
-2 _ _  _ 7 _  _ _ _
-7 6 9  _ _ 3  _ _ _
-
-SOLUTION:
-9 7 6  8 3 4  5 2 1
-3 4 5  2 9 1  7 6 8
-1 8 2  7 5 6  3 9 4
-
-6 3 7  5 4 2  1 8 9
-5 2 1  3 8 9  6 4 7
-4 9 8  1 6 7  2 3 5
-
-8 1 3  9 2 5  4 7 6
-2 5 4  6 7 8  9 1 3
-7 6 9  4 1 3  8 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,null,7,1,null,5,null,null,null,null,null,null,8,null,null,null,null,1,null,7,null,3,null,null,null,1,null,0,2,null,null,null,6,null,null,null,null,null,null,null,4,null,4,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,2,null,6,null,2,1,8,null,null,null,7,null,3,6,null,4,null,null,null],"solution":[3,8,2,5,4,6,7,1,0,5,1,7,0,2,3,4,8,6,4,0,6,1,8,7,2,3,5,8,7,1,4,0,2,5,6,3,6,3,0,8,7,5,1,2,4,2,4,5,3,6,1,0,7,8,1,5,8,7,3,0,6,4,2,0,6,4,2,1,8,3,5,7,7,2,3,6,5,4,8,0,1]}
-PUZZLE:
-4 _ _  _ _ _  8 2 _
-6 _ _  _ _ _  _ 9 _
-_ _ _  2 _ 8  _ 4 _
-
-_ _ 2  _ 1 3  _ _ _
-7 _ _  _ _ _  _ _ 5
-_ 5 _  _ _ 2  _ _ _
-
-_ _ _  _ _ _  _ _ 3
-_ 7 _  3 2 9  _ _ _
-8 _ 4  7 _ 5  _ _ _
-
-SOLUTION:
-4 9 3  6 5 7  8 2 1
-6 2 8  1 3 4  5 9 7
-5 1 7  2 9 8  3 4 6
-
-9 8 2  5 1 3  6 7 4
-7 4 1  9 8 6  2 3 5
-3 5 6  4 7 2  1 8 9
-
-2 6 9  8 4 1  7 5 3
-1 7 5  3 2 9  4 6 8
-8 3 4  7 6 5  9 1 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,7,null,null,null,2,null,7,null,null,0,4,null,6,null,null,4,null,5,null,1,null,0,null,null,0,null,3,null,null,null,5,null,null,2,null,null,4,null,null,null,8,null,null,7,null,1,null,null,null,null,3,null,null,null,null,null,null,null,null,4,null,null,null,8,null,0,null,null,null,null,6,null,null,null,2,null,null],"solution":[0,6,5,8,7,3,1,4,2,1,7,8,2,0,4,5,6,3,2,4,3,5,6,1,8,0,7,8,0,4,3,2,7,6,5,1,6,2,1,0,4,5,3,7,8,5,3,7,6,1,8,4,2,0,3,8,0,4,5,2,7,1,6,4,1,2,7,8,6,0,3,5,7,5,6,1,3,0,2,8,4]}
-PUZZLE:
-_ _ 6  _ 8 _  _ _ 3
-_ 8 _  _ 1 5  _ 7 _
-_ 5 _  6 _ 2  _ 1 _
-
-_ 1 _  4 _ _  _ 6 _
-_ 3 _  _ 5 _  _ _ 9
-_ _ 8  _ 2 _  _ _ _
-
-4 _ _  _ _ _  _ _ _
-5 _ _  _ 9 _  1 _ _
-_ _ 7  _ _ _  3 _ _
-
-SOLUTION:
-1 7 6  9 8 4  2 5 3
-2 8 9  3 1 5  6 7 4
-3 5 4  6 7 2  9 1 8
-
-9 1 5  4 3 8  7 6 2
-7 3 2  1 5 6  4 8 9
-6 4 8  7 2 9  5 3 1
-
-4 9 1  5 6 3  8 2 7
-5 2 3  8 9 7  1 4 6
-8 6 7  2 4 1  3 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[0,4,null,null,5,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,4,8,3,5,null,0,7,null,null,null,4,0,null,null,null,null,null,null,2,null,null,null,null,3,null,null,null,null,null,8,null,null,null,null,0,null,null,null,6,null,3,5,1,3,2,null,null,null,0,null,8,null,6,null,null,null,null,null,null,null],"solution":[0,4,8,6,5,7,3,2,1,5,7,3,1,0,2,6,8,4,2,1,6,4,8,3,5,7,0,7,2,1,3,4,0,8,5,6,6,8,4,2,1,5,7,0,3,3,5,0,7,6,8,4,1,2,4,0,7,8,2,6,1,3,5,1,3,2,5,7,4,0,6,8,8,6,5,0,3,1,2,4,7]}
-PUZZLE:
-1 5 _  _ 6 _  _ _ 2
-_ _ _  _ _ _  _ _ _
-_ _ _  5 9 4  6 _ 1
-
-8 _ _  _ 5 1  _ _ _
-_ _ _  3 _ _  _ _ 4
-_ _ _  _ _ 9  _ _ _
-
-_ 1 _  _ _ 7  _ 4 6
-2 4 3  _ _ _  1 _ 9
-_ 7 _  _ _ _  _ _ _
-
-SOLUTION:
-1 5 9  7 6 8  4 3 2
-6 8 4  2 1 3  7 9 5
-3 2 7  5 9 4  6 8 1
-
-8 3 2  4 5 1  9 6 7
-7 9 5  3 2 6  8 1 4
-4 6 1  8 7 9  5 2 3
-
-5 1 8  9 3 7  2 4 6
-2 4 3  6 8 5  1 7 9
-9 7 6  1 4 2  3 5 8
-
-RATING: 3.25
-DATA:
-{"puzzle":[6,null,null,3,null,null,null,1,7,null,null,8,4,null,null,null,null,null,null,7,3,5,null,null,8,null,null,null,null,5,8,null,null,null,null,null,null,null,null,7,3,5,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,6,null,4,null,null,8,null,4,1,null,null,null,2,null,null,null,null,7,null,null,8,0,4,null],"solution":[6,0,4,3,8,2,5,1,7,5,1,8,4,0,7,3,6,2,2,7,3,5,1,6,8,0,4,7,3,5,8,4,0,6,2,1,1,2,6,7,3,5,4,8,0,4,8,0,2,6,1,7,5,3,0,5,2,6,7,4,1,3,8,8,4,1,0,5,3,2,7,6,3,6,7,1,2,8,0,4,5]}
-PUZZLE:
-7 _ _  4 _ _  _ 2 8
-_ _ 9  5 _ _  _ _ _
-_ 8 4  6 _ _  9 _ _
-
-_ _ 6  9 _ _  _ _ _
-_ _ _  8 4 6  _ _ _
-_ _ _  _ 7 _  _ _ _
-
-_ _ _  7 _ 5  _ _ 9
-_ 5 2  _ _ _  3 _ _
-_ _ 8  _ _ 9  1 5 _
-
-SOLUTION:
-7 1 5  4 9 3  6 2 8
-6 2 9  5 1 8  4 7 3
-3 8 4  6 2 7  9 1 5
-
-8 4 6  9 5 1  7 3 2
-2 3 7  8 4 6  5 9 1
-5 9 1  3 7 2  8 6 4
-
-1 6 3  7 8 5  2 4 9
-9 5 2  1 6 4  3 8 7
-4 7 8  2 3 9  1 5 6
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,1,2,1,null,null,null,null,4,null,0,null,null,6,null,3,null,5,null,null,null,null,null,null,0,null,2,null,4,5,null,null,null,null,6,null,0,null,null,4,null,null,null,null,null,null,null,null,null,null,0,6,null,null,1,null,null,7,null,1,null,null,null,8,null,null,0,null,null,null,8,null,null,2],"solution":[4,5,7,6,2,0,8,3,1,2,1,3,5,8,7,4,6,0,0,8,6,4,3,1,5,2,7,7,6,1,8,0,3,2,5,4,5,3,2,7,4,6,1,0,8,8,4,0,2,1,5,3,7,6,3,2,8,0,6,4,7,1,5,6,7,4,1,5,2,0,8,3,1,0,5,3,7,8,6,4,2]}
-PUZZLE:
-_ _ _  _ 3 _  _ _ 2
-3 2 _  _ _ _  5 _ 1
-_ _ 7  _ 4 _  6 _ _
-
-_ _ _  _ 1 _  3 _ 5
-6 _ _  _ _ 7  _ 1 _
-_ 5 _  _ _ _  _ _ _
-
-_ _ _  1 7 _  _ 2 _
-_ 8 _  2 _ _  _ 9 _
-_ 1 _  _ _ 9  _ _ 3
-
-SOLUTION:
-5 6 8  7 3 1  9 4 2
-3 2 4  6 9 8  5 7 1
-1 9 7  5 4 2  6 3 8
-
-8 7 2  9 1 4  3 6 5
-6 4 3  8 5 7  2 1 9
-9 5 1  3 2 6  4 8 7
-
-4 3 9  1 7 5  8 2 6
-7 8 5  2 6 3  1 9 4
-2 1 6  4 8 9  7 5 3
-
-RATING: 1
-DATA:
-{"puzzle":[7,null,null,null,null,null,1,null,6,3,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,0,null,null,3,2,null,5,null,null,null,null,2,5,null,null,null,0,null,null,null,5,6,null,null,null,null,4,1,5,null,null,null,8,7,3,null,null,null,null,4,null,null,null,1,null,null,null,0,null,null,null,null,null,2],"solution":[7,2,8,0,4,3,1,5,6,3,0,1,8,5,6,4,2,7,5,4,6,7,1,2,0,8,3,0,1,7,3,2,4,5,6,8,4,6,2,5,8,7,3,0,1,8,3,5,6,0,1,2,7,4,1,5,4,2,6,8,7,3,0,2,8,3,4,7,0,6,1,5,6,7,0,1,3,5,8,4,2]}
-PUZZLE:
-8 _ _  _ _ _  2 _ 7
-4 _ _  _ _ _  _ _ _
-_ 5 _  _ _ _  _ _ _
-
-1 _ _  4 3 _  6 _ _
-_ _ 3  6 _ _  _ 1 _
-_ _ 6  7 _ _  _ _ 5
-
-2 6 _  _ _ 9  8 4 _
-_ _ _  5 _ _  _ 2 _
-_ _ 1  _ _ _  _ _ 3
-
-SOLUTION:
-8 3 9  1 5 4  2 6 7
-4 1 2  9 6 7  5 3 8
-6 5 7  8 2 3  1 9 4
-
-1 2 8  4 3 5  6 7 9
-5 7 3  6 9 8  4 1 2
-9 4 6  7 1 2  3 8 5
-
-2 6 5  3 7 9  8 4 1
-3 9 4  5 8 1  7 2 6
-7 8 1  2 4 6  9 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,7,null,null,null,null,null,null,null,null,null,null,null,null,4,null,3,null,6,null,8,null,4,null,0,null,7,null,3,null,null,null,null,null,6,null,null,null,7,null,null,2,null,4,0,null,null,null,5,null,null,null,null,6,null,null,1,null,5,null,null,null,null,null,1,null,null,null,null,8,0,null,null,0,null,7,null,null,null,null],"solution":[2,4,7,0,3,1,8,6,5,1,0,8,5,6,7,4,2,3,3,6,5,8,2,4,7,0,1,7,1,3,4,8,2,0,5,6,8,5,6,7,1,0,2,3,4,0,2,4,3,5,6,1,7,8,6,8,2,1,0,5,3,4,7,5,7,1,2,4,3,6,8,0,4,3,0,6,7,8,5,1,2]}
-PUZZLE:
-3 _ 8  _ _ _  _ _ _
-_ _ _  _ _ _  5 _ 4
-_ 7 _  9 _ 5  _ 1 _
-
-8 _ 4  _ _ _  _ _ 7
-_ _ _  8 _ _  3 _ 5
-1 _ _  _ 6 _  _ _ _
-
-7 _ _  2 _ 6  _ _ _
-_ _ 2  _ _ _  _ 9 1
-_ _ 1  _ 8 _  _ _ _
-
-SOLUTION:
-3 5 8  1 4 2  9 7 6
-2 1 9  6 7 8  5 3 4
-4 7 6  9 3 5  8 1 2
-
-8 2 4  5 9 3  1 6 7
-9 6 7  8 2 1  3 4 5
-1 3 5  4 6 7  2 8 9
-
-7 9 3  2 1 6  4 5 8
-6 8 2  3 5 4  7 9 1
-5 4 1  7 8 9  6 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,5,null,null,null,null,null,null,null,null,null,3,6,null,7,null,null,2,null,4,null,8,null,null,null,8,null,null,null,null,null,null,null,4,null,null,7,null,null,null,0,null,null,null,null,4,null,null,null,null,null,1,null,7,null,8,null,2,1,null,null,null,null,null,null,1,null,null,0,null,null,8,null,3,null,null,null,null,6],"solution":[3,4,1,5,2,7,6,8,0,0,5,8,1,3,6,4,7,2,7,2,6,4,0,8,3,1,5,8,6,3,0,5,1,7,2,4,5,1,7,2,6,4,0,3,8,2,0,4,7,8,3,5,6,1,6,7,0,8,4,2,1,5,3,4,3,2,6,1,5,8,0,7,1,8,5,3,7,0,2,4,6]}
-PUZZLE:
-4 _ _  6 _ _  _ _ _
-_ _ _  _ 4 7  _ 8 _
-_ 3 _  5 _ 9  _ _ _
-
-9 _ _  _ _ _  _ _ 5
-_ _ 8  _ _ _  1 _ _
-_ _ 5  _ _ _  _ _ 2
-
-_ 8 _  9 _ 3  2 _ _
-_ _ _  _ 2 _  _ 1 _
-_ 9 _  4 _ _  _ _ 7
-
-SOLUTION:
-4 5 2  6 3 8  7 9 1
-1 6 9  2 4 7  5 8 3
-8 3 7  5 1 9  4 2 6
-
-9 7 4  1 6 2  8 3 5
-6 2 8  3 7 5  1 4 9
-3 1 5  8 9 4  6 7 2
-
-7 8 1  9 5 3  2 6 4
-5 4 3  7 2 6  9 1 8
-2 9 6  4 8 1  3 5 7
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,null,3,null,7,null,null,null,null,null,null,null,2,null,null,null,null,8,null,null,7,null,null,null,2,null,null,4,1,null,null,8,1,null,3,null,null,5,null,null,null,null,null,0,null,3,null,null,4,null,null,null,null,2,null,null,null,null,null,3,8,null,6,null,null,5,6,null,null,null,4,null,null,null,2],"solution":[8,5,6,4,7,0,1,2,3,1,7,0,5,2,3,6,8,4,2,3,4,1,6,8,5,0,7,3,6,7,2,8,5,4,1,0,0,8,1,7,3,4,2,5,6,5,4,2,6,0,1,3,7,8,4,0,8,3,5,2,7,6,1,7,2,3,8,1,6,0,4,5,6,1,5,0,4,7,8,3,2]}
-PUZZLE:
-_ _ _  _ _ 1  _ _ 4
-_ 8 _  _ _ _  _ _ _
-3 _ _  _ _ 9  _ _ 8
-
-_ _ _  3 _ _  5 2 _
-_ 9 2  _ 4 _  _ 6 _
-_ _ _  _ 1 _  4 _ _
-
-5 _ _  _ _ 3  _ _ _
-_ _ 4  9 _ 7  _ _ 6
-7 _ _  _ 5 _  _ _ 3
-
-SOLUTION:
-9 6 7  5 8 1  2 3 4
-2 8 1  6 3 4  7 9 5
-3 4 5  2 7 9  6 1 8
-
-4 7 8  3 9 6  5 2 1
-1 9 2  8 4 5  3 6 7
-6 5 3  7 1 2  4 8 9
-
-5 1 9  4 6 3  8 7 2
-8 3 4  9 2 7  1 5 6
-7 2 6  1 5 8  9 4 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,null,null,7,null,null,null,null,6,null,null,null,null,1,0,null,null,null,null,null,4,null,3,null,null,1,null,7,null,null,8,null,2,0,2,null,null,null,null,3,null,null,null,null,0,4,null,null,null,null,5,null,null,null,8,null,3,null,null,1,6,5,null,null,null,null,6,4,null,null,null,null,null,null,7,null,null,null,null],"solution":[4,2,0,3,1,7,5,6,8,7,6,3,2,8,5,1,0,4,8,5,1,6,4,0,3,7,2,1,3,7,4,5,8,6,2,0,2,8,5,0,6,3,7,4,1,6,0,4,7,2,1,8,5,3,0,7,8,5,3,4,2,1,6,5,1,2,8,0,6,4,3,7,3,4,6,1,7,2,0,8,5]}
-PUZZLE:
-_ 3 _  _ _ 8  _ _ _
-_ 7 _  _ _ _  2 1 _
-_ _ _  _ 5 _  4 _ _
-
-2 _ 8  _ _ 9  _ 3 1
-3 _ _  _ _ 4  _ _ _
-_ 1 5  _ _ _  _ 6 _
-
-_ _ 9  _ 4 _  _ 2 7
-6 _ _  _ _ 7  5 _ _
-_ _ _  _ 8 _  _ _ _
-
-SOLUTION:
-5 3 1  4 2 8  6 7 9
-8 7 4  3 9 6  2 1 5
-9 6 2  7 5 1  4 8 3
-
-2 4 8  5 6 9  7 3 1
-3 9 6  1 7 4  8 5 2
-7 1 5  8 3 2  9 6 4
-
-1 8 9  6 4 5  3 2 7
-6 2 3  9 1 7  5 4 8
-4 5 7  2 8 3  1 9 6
-
-RATING: 1
-DATA:
-{"puzzle":[7,null,null,null,2,null,null,null,null,null,null,5,null,null,4,6,null,null,null,null,null,null,0,null,2,3,null,4,null,null,null,null,5,3,0,null,null,null,null,null,6,null,null,null,null,3,2,null,null,null,null,null,1,null,null,null,null,1,null,6,4,null,5,null,null,null,null,4,3,null,null,null,null,null,null,null,null,null,0,7,null],"solution":[7,0,3,6,2,8,1,5,4,2,1,5,7,3,4,6,8,0,6,8,4,5,0,1,2,3,7,4,6,7,2,1,5,3,0,8,8,5,1,3,6,0,7,4,2,3,2,0,4,8,7,5,1,6,0,3,8,1,7,6,4,2,5,5,7,2,0,4,3,8,6,1,1,4,6,8,5,2,0,7,3]}
-PUZZLE:
-8 _ _  _ 3 _  _ _ _
-_ _ 6  _ _ 5  7 _ _
-_ _ _  _ 1 _  3 4 _
-
-5 _ _  _ _ 6  4 1 _
-_ _ _  _ 7 _  _ _ _
-4 3 _  _ _ _  _ 2 _
-
-_ _ _  2 _ 7  5 _ 6
-_ _ _  _ 5 4  _ _ _
-_ _ _  _ _ _  1 8 _
-
-SOLUTION:
-8 1 4  7 3 9  2 6 5
-3 2 6  8 4 5  7 9 1
-7 9 5  6 1 2  3 4 8
-
-5 7 8  3 2 6  4 1 9
-9 6 2  4 7 1  8 5 3
-4 3 1  5 9 8  6 2 7
-
-1 4 9  2 8 7  5 3 6
-6 8 3  1 5 4  9 7 2
-2 5 7  9 6 3  1 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,null,null,null,null,null,null,null,null,null,0,8,null,null,5,null,5,8,2,null,null,null,1,null,null,null,5,null,null,null,null,null,null,null,null,null,null,4,6,null,null,3,null,null,null,7,null,null,null,null,8,null,6,null,null,5,null,null,null,4,null,4,null,null,null,null,null,2,null,5,null,1,null,null,null,2,8,null,null],"solution":[0,4,6,1,2,5,3,7,8,1,7,3,0,8,4,6,5,2,5,8,2,6,3,7,1,0,4,8,5,4,7,1,3,0,2,6,2,0,1,4,6,8,5,3,7,3,6,7,2,5,0,4,8,1,6,2,8,5,0,1,7,4,3,4,3,0,8,7,6,2,1,5,7,1,5,3,4,2,8,6,0]}
-PUZZLE:
-_ _ 7  _ _ _  _ _ _
-_ _ _  1 9 _  _ 6 _
-6 9 3  _ _ _  2 _ _
-
-_ 6 _  _ _ _  _ _ _
-_ _ _  5 7 _  _ 4 _
-_ _ 8  _ _ _  _ 9 _
-
-7 _ _  6 _ _  _ 5 _
-5 _ _  _ _ _  3 _ 6
-_ 2 _  _ _ 3  9 _ _
-
-SOLUTION:
-1 5 7  2 3 6  4 8 9
-2 8 4  1 9 5  7 6 3
-6 9 3  7 4 8  2 1 5
-
-9 6 5  8 2 4  1 3 7
-3 1 2  5 7 9  6 4 8
-4 7 8  3 6 1  5 9 2
-
-7 3 9  6 1 2  8 5 4
-5 4 1  9 8 7  3 2 6
-8 2 6  4 5 3  9 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,null,2,null,null,null,null,2,null,0,null,null,null,null,2,null,1,null,8,7,4,null,null,null,2,0,null,null,null,null,null,null,null,4,null,3,null,5,null,7,4,null,null,8,null,null,null,null,null,8,null,null,null,null,1,null,0,null,null,null,5,null,null,null,null,null,3,2,null,null,null,null,null,null,8],"solution":[8,1,0,7,5,4,6,3,2,4,7,3,8,2,6,0,1,5,6,5,2,3,1,0,8,7,4,1,3,5,2,0,7,4,8,6,2,0,8,4,6,3,7,5,1,7,4,6,1,8,5,2,0,3,5,8,7,6,3,2,1,4,0,0,6,1,5,4,8,3,2,7,3,2,4,0,7,1,5,6,8]}
-PUZZLE:
-_ 2 _  _ _ _  _ _ 3
-_ _ _  _ 3 _  1 _ _
-_ _ 3  _ 2 _  9 8 5
-
-_ _ _  3 1 _  _ _ _
-_ _ _  5 _ 4  _ 6 _
-8 5 _  _ 9 _  _ _ _
-
-_ 9 _  _ _ _  2 _ 1
-_ _ _  6 _ _  _ _ _
-4 3 _  _ _ _  _ _ 9
-
-SOLUTION:
-9 2 1  8 6 5  7 4 3
-5 8 4  9 3 7  1 2 6
-7 6 3  4 2 1  9 8 5
-
-2 4 6  3 1 8  5 9 7
-3 1 9  5 7 4  8 6 2
-8 5 7  2 9 6  3 1 4
-
-6 9 8  7 4 3  2 5 1
-1 7 2  6 5 9  4 3 8
-4 3 5  1 8 2  6 7 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,7,0,null,null,2,null,null,null,null,4,null,3,6,null,null,null,2,6,null,null,null,null,null,null,null,7,null,null,1,0,null,null,2,4,null,null,null,null,null,8,null,5,null,6,null,null,2,null,null,3,null,null,null,null,null,null,null,null,6,null,null,null,2,null,null,7,null,null,6,null,null,null,0,null,1,4,null,null,null,null],"solution":[1,7,0,4,5,2,3,6,8,5,4,8,3,6,7,1,0,2,6,2,3,8,0,1,4,5,7,8,6,1,0,7,5,2,4,3,0,3,7,2,8,4,5,1,6,4,5,2,6,1,3,8,7,0,7,8,4,5,2,6,0,3,1,2,1,5,7,3,0,6,8,4,3,0,6,1,4,8,7,2,5]}
-PUZZLE:
-_ 8 1  _ _ 3  _ _ _
-_ 5 _  4 7 _  _ _ 3
-7 _ _  _ _ _  _ _ 8
-
-_ _ 2  1 _ _  3 5 _
-_ _ _  _ 9 _  6 _ 7
-_ _ 3  _ _ 4  _ _ _
-
-_ _ _  _ _ 7  _ _ _
-3 _ _  8 _ _  7 _ _
-_ 1 _  2 5 _  _ _ _
-
-SOLUTION:
-2 8 1  5 6 3  4 7 9
-6 5 9  4 7 8  2 1 3
-7 3 4  9 1 2  5 6 8
-
-9 7 2  1 8 6  3 5 4
-1 4 8  3 9 5  6 2 7
-5 6 3  7 2 4  9 8 1
-
-8 9 5  6 3 7  1 4 2
-3 2 6  8 4 1  7 9 5
-4 1 7  2 5 9  8 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,null,null,1,null,4,null,null,null,1,null,5,null,null,null,null,2,8,7,null,null,null,6,null,null,null,1,null,null,null,null,0,null,null,7,null,null,null,4,7,5,null,6,null,4,null,null,null,null,null,2,null,null,null,null,2,1,5,null,null,null,null,null,null,3,null,null,null,0,null,null,null,null,null,null,8,3,null,null,null],"solution":[5,2,0,7,1,8,4,3,6,3,1,6,5,0,4,8,7,2,8,7,4,2,3,6,5,0,1,1,6,5,8,2,0,3,4,7,2,3,8,4,7,5,1,6,0,4,0,7,3,6,1,2,5,8,0,4,2,1,5,7,6,8,3,7,8,3,6,4,2,0,1,5,6,5,1,0,8,3,7,2,4]}
-PUZZLE:
-6 _ _  _ 2 _  5 _ _
-_ 2 _  6 _ _  _ _ 3
-9 8 _  _ _ 7  _ _ _
-
-2 _ _  _ _ 1  _ _ 8
-_ _ _  5 8 6  _ 7 _
-5 _ _  _ _ _  3 _ _
-
-_ _ 3  2 6 _  _ _ _
-_ _ 4  _ _ _  1 _ _
-_ _ _  _ 9 4  _ _ _
-
-SOLUTION:
-6 3 1  8 2 9  5 4 7
-4 2 7  6 1 5  9 8 3
-9 8 5  3 4 7  6 1 2
-
-2 7 6  9 3 1  4 5 8
-3 4 9  5 8 6  2 7 1
-5 1 8  4 7 2  3 6 9
-
-1 5 3  2 6 8  7 9 4
-8 9 4  7 5 3  1 2 6
-7 6 2  1 9 4  8 3 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[0,null,null,null,1,null,null,6,null,null,null,4,null,0,null,null,null,3,1,null,null,3,null,null,null,null,null,8,null,null,null,5,1,7,null,null,null,null,null,null,6,null,null,3,1,null,null,7,4,null,null,0,null,null,null,null,null,5,null,6,4,null,null,null,null,null,null,4,7,6,null,0,null,null,2,null,null,null,null,null,null],"solution":[0,7,3,8,1,4,2,6,5,2,8,4,6,0,5,1,7,3,1,6,5,3,7,2,8,0,4,8,3,6,0,5,1,7,4,2,4,2,0,7,6,8,5,3,1,5,1,7,4,2,3,0,8,6,7,0,1,5,3,6,4,2,8,3,5,8,2,4,7,6,1,0,6,4,2,1,8,0,3,5,7]}
-PUZZLE:
-1 _ _  _ 2 _  _ 7 _
-_ _ 5  _ 1 _  _ _ 4
-2 _ _  4 _ _  _ _ _
-
-9 _ _  _ 6 2  8 _ _
-_ _ _  _ 7 _  _ 4 2
-_ _ 8  5 _ _  1 _ _
-
-_ _ _  6 _ 7  5 _ _
-_ _ _  _ 5 8  7 _ 1
-_ _ 3  _ _ _  _ _ _
-
-SOLUTION:
-1 8 4  9 2 5  3 7 6
-3 9 5  7 1 6  2 8 4
-2 7 6  4 8 3  9 1 5
-
-9 4 7  1 6 2  8 5 3
-5 3 1  8 7 9  6 4 2
-6 2 8  5 3 4  1 9 7
-
-8 1 2  6 4 7  5 3 9
-4 6 9  3 5 8  7 2 1
-7 5 3  2 9 1  4 6 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,3,null,7,null,null,null,2,null,null,null,null,null,null,6,3,null,null,null,null,2,null,null,null,null,5,null,null,null,4,null,null,null,0,7,null,0,1,null,3,null,null,null,null,null,null,null,null,5,null,null,1,null,1,8,null,null,4,null,null,null,null,null,4,null,null,null,5,null,null,6,null,null,5,6,null,7,null,null,null],"solution":[5,6,3,1,7,4,0,8,2,4,7,2,5,8,0,6,3,1,8,1,0,2,6,3,4,7,5,6,5,8,4,2,1,3,0,7,2,0,1,7,3,8,5,6,4,7,3,4,0,5,6,2,1,8,1,8,6,3,4,2,7,5,0,3,4,7,8,0,5,1,2,6,0,2,5,6,1,7,8,4,3]}
-PUZZLE:
-_ 7 4  _ 8 _  _ _ 3
-_ _ _  _ _ _  7 4 _
-_ _ _  3 _ _  _ _ 6
-
-_ _ _  5 _ _  _ 1 8
-_ 1 2  _ 4 _  _ _ _
-_ _ _  _ 6 _  _ 2 _
-
-2 9 _  _ 5 _  _ _ _
-_ 5 _  _ _ 6  _ _ 7
-_ _ 6  7 _ 8  _ _ _
-
-SOLUTION:
-6 7 4  2 8 5  1 9 3
-5 8 3  6 9 1  7 4 2
-9 2 1  3 7 4  5 8 6
-
-7 6 9  5 3 2  4 1 8
-3 1 2  8 4 9  6 7 5
-8 4 5  1 6 7  3 2 9
-
-2 9 7  4 5 3  8 6 1
-4 5 8  9 1 6  2 3 7
-1 3 6  7 2 8  9 5 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[6,null,null,null,null,3,null,null,null,null,0,null,8,null,6,null,null,3,4,null,2,0,null,null,null,6,null,null,6,null,null,5,null,null,null,null,2,null,8,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,3,null,0,0,7,null,3,null,null,6,5,null,null,null,null,null,null,7,null,8,null],"solution":[6,8,7,2,4,3,0,1,5,1,0,5,8,7,6,2,4,3,4,3,2,0,1,5,8,6,7,7,6,3,1,5,2,4,0,8,2,4,8,7,6,0,5,3,1,5,1,0,4,3,8,7,2,6,8,5,4,6,2,1,3,7,0,0,7,1,3,8,4,6,5,2,3,2,6,5,0,7,1,8,4]}
-PUZZLE:
-7 _ _  _ _ 4  _ _ _
-_ 1 _  9 _ 7  _ _ 4
-5 _ 3  1 _ _  _ 7 _
-
-_ 7 _  _ 6 _  _ _ _
-3 _ 9  _ _ _  _ _ 2
-_ _ _  _ _ _  _ _ _
-
-_ _ 5  _ _ _  4 _ 1
-1 8 _  4 _ _  7 6 _
-_ _ _  _ _ 8  _ 9 _
-
-SOLUTION:
-7 9 8  3 5 4  1 2 6
-2 1 6  9 8 7  3 5 4
-5 4 3  1 2 6  9 7 8
-
-8 7 4  2 6 3  5 1 9
-3 5 9  8 7 1  6 4 2
-6 2 1  5 4 9  8 3 7
-
-9 6 5  7 3 2  4 8 1
-1 8 2  4 9 5  7 6 3
-4 3 7  6 1 8  2 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,null,null,null,null,0,null,7,5,1,null,6,2,null,null,null,null,4,0,null,null,3,0,null,null,null,7,6,null,null,null,1,null,5,null,null,null,null,7,null,null,null,null,null,null,null,null,4,null,3,null,null,2,null,null,null,null,null,null,2,6,null,null,3,null,null,null,4,null,null,1,null,null,null,null],"solution":[7,6,3,1,0,2,4,8,5,4,8,0,3,7,5,1,2,6,2,5,1,8,6,4,0,7,3,3,0,5,2,4,7,6,1,8,8,1,4,5,3,6,2,0,7,6,2,7,0,8,1,5,3,4,5,3,8,4,2,0,7,6,1,1,7,2,6,5,8,3,4,0,0,4,6,7,1,3,8,5,2]}
-PUZZLE:
-_ 7 _  _ _ _  _ _ _
-_ _ 1  _ 8 6  2 _ 7
-3 _ _  _ _ 5  1 _ _
-
-4 1 _  _ _ 8  7 _ _
-_ 2 _  6 _ _  _ _ 8
-_ _ _  _ _ _  _ _ 5
-
-_ 4 _  _ 3 _  _ _ _
-_ _ 3  7 _ _  4 _ _
-_ 5 _  _ 2 _  _ _ _
-
-SOLUTION:
-8 7 4  2 1 3  5 9 6
-5 9 1  4 8 6  2 3 7
-3 6 2  9 7 5  1 8 4
-
-4 1 6  3 5 8  7 2 9
-9 2 5  6 4 7  3 1 8
-7 3 8  1 9 2  6 4 5
-
-6 4 9  5 3 1  8 7 2
-2 8 3  7 6 9  4 5 1
-1 5 7  8 2 4  9 6 3
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,2,null,null,null,null,null,1,null,null,null,5,null,3,null,null,null,null,null,null,null,null,7,4,null,6,null,7,null,null,8,null,null,null,3,null,null,null,null,null,1,null,2,null,4,null,null,6,null,null,null,null,null,null,6,3,null,7,2,null,null,null,3,1,null,null,null,null,null,null,5,null,null,null,null,null,6,null,1],"solution":[7,6,3,2,8,4,0,1,5,1,0,4,7,5,6,3,2,8,8,2,5,0,3,1,7,4,6,6,1,7,5,2,8,4,0,3,3,5,8,4,7,0,1,6,2,0,4,2,1,6,3,5,8,7,4,8,6,3,1,7,2,5,0,2,3,1,6,0,5,8,7,4,5,7,0,8,4,2,6,3,1]}
-PUZZLE:
-_ _ _  3 _ _  _ _ _
-2 _ _  _ 6 _  4 _ _
-_ _ _  _ _ _  8 5 _
-
-7 _ 8  _ _ 9  _ _ _
-4 _ _  _ _ _  2 _ 3
-_ 5 _  _ 7 _  _ _ _
-
-_ _ 7  4 _ 8  3 _ _
-_ 4 2  _ _ _  _ _ _
-6 _ _  _ _ _  7 _ 2
-
-SOLUTION:
-8 7 4  3 9 5  1 2 6
-2 1 5  8 6 7  4 3 9
-9 3 6  1 4 2  8 5 7
-
-7 2 8  6 3 9  5 1 4
-4 6 9  5 8 1  2 7 3
-1 5 3  2 7 4  6 9 8
-
-5 9 7  4 2 8  3 6 1
-3 4 2  7 1 6  9 8 5
-6 8 1  9 5 3  7 4 2
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,0,null,5,null,4,null,null,null,null,null,null,null,6,null,5,null,null,2,null,null,null,1,null,0,8,8,null,5,null,null,null,null,null,1,null,3,null,null,0,null,null,null,4,2,null,4,null,null,null,null,3,null,null,8,null,null,null,null,null,null,null,null,null,1,5,null,null,3,null,0,null,null,null,6,null,8,null,null,null],"solution":[7,6,0,8,5,3,4,1,2,4,1,8,0,2,6,7,5,3,5,2,3,7,4,1,6,0,8,8,7,5,3,6,4,0,2,1,1,3,6,2,0,5,8,7,4,2,0,4,1,8,7,5,3,6,3,8,7,4,1,0,2,6,5,6,4,1,5,7,2,3,8,0,0,5,2,6,3,8,1,4,7]}
-PUZZLE:
-_ _ 1  _ 6 _  5 _ _
-_ _ _  _ _ 7  _ 6 _
-_ 3 _  _ _ 2  _ 1 9
-
-9 _ 6  _ _ _  _ _ 2
-_ 4 _  _ 1 _  _ _ 5
-3 _ 5  _ _ _  _ 4 _
-
-_ 9 _  _ _ _  _ _ _
-_ _ 2  6 _ _  4 _ 1
-_ _ _  7 _ 9  _ _ _
-
-SOLUTION:
-8 7 1  9 6 4  5 2 3
-5 2 9  1 3 7  8 6 4
-6 3 4  8 5 2  7 1 9
-
-9 8 6  4 7 5  1 3 2
-2 4 7  3 1 6  9 8 5
-3 1 5  2 9 8  6 4 7
-
-4 9 8  5 2 1  3 7 6
-7 5 2  6 8 3  4 9 1
-1 6 3  7 4 9  2 5 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,0,1,null,8,null,7,null,null,2,null,null,null,3,null,null,0,null,null,null,null,8,null,null,null,5,null,null,1,null,null,null,3,null,8,6,7,null,null,3,null,null,1,null,null,3,null,7,null,null,null,0,null,null,null,4,null,null,null,null,5,null,null,null,null,null,null,0,4,null,6,null,null,null,null,0,null,null,2],"solution":[3,4,5,0,1,6,8,2,7,1,8,2,5,4,7,3,0,6,0,7,6,3,2,8,5,1,4,5,2,0,1,6,4,7,3,8,8,6,7,2,0,3,4,5,1,4,1,3,8,7,5,2,6,0,2,0,8,4,3,1,6,7,5,7,5,1,6,8,2,0,4,3,6,3,4,7,5,0,1,8,2]}
-PUZZLE:
-_ _ _  1 2 _  9 _ 8
-_ _ 3  _ _ _  4 _ _
-1 _ _  _ _ 9  _ _ _
-
-6 _ _  2 _ _  _ 4 _
-9 7 8  _ _ 4  _ _ 2
-_ _ 4  _ 8 _  _ _ 1
-
-_ _ _  5 _ _  _ _ 6
-_ _ _  _ _ _  1 5 _
-7 _ _  _ _ 1  _ _ 3
-
-SOLUTION:
-4 5 6  1 2 7  9 3 8
-2 9 3  6 5 8  4 1 7
-1 8 7  4 3 9  6 2 5
-
-6 3 1  2 7 5  8 4 9
-9 7 8  3 1 4  5 6 2
-5 2 4  9 8 6  3 7 1
-
-3 1 9  5 4 2  7 8 6
-8 6 2  7 9 3  1 5 4
-7 4 5  8 6 1  2 9 3
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,null,7,null,0,null,null,8,null,null,null,null,null,null,2,null,5,2,null,null,0,6,8,null,null,null,null,null,3,null,null,1,null,null,1,null,null,null,null,0,null,null,null,6,0,null,null,2,null,null,null,null,null,null,5,null,null,null,4,null,null,null,null,null,8,null,null,3,null,7,2,6,null,null,null,null,null,8,null],"solution":[3,1,6,2,7,8,0,4,5,8,7,0,4,3,5,6,2,1,5,2,4,1,0,6,8,7,3,4,5,2,3,8,7,1,0,6,1,3,7,6,4,0,2,5,8,6,0,8,5,2,1,7,3,4,7,8,5,0,6,3,4,1,2,0,4,1,8,5,2,3,6,7,2,6,3,7,1,4,5,8,0]}
-PUZZLE:
-_ _ _  _ 8 _  1 _ _
-9 _ _  _ _ _  _ 3 _
-6 3 _  _ 1 7  9 _ _
-
-_ _ _  4 _ _  2 _ _
-2 _ _  _ _ 1  _ _ _
-7 1 _  _ 3 _  _ _ _
-
-_ _ 6  _ _ _  5 _ _
-_ _ _  9 _ _  4 _ 8
-3 7 _  _ _ _  _ 9 _
-
-SOLUTION:
-4 2 7  3 8 9  1 5 6
-9 8 1  5 4 6  7 3 2
-6 3 5  2 1 7  9 8 4
-
-5 6 3  4 9 8  2 1 7
-2 4 8  7 5 1  3 6 9
-7 1 9  6 3 2  8 4 5
-
-8 9 6  1 7 4  5 2 3
-1 5 2  9 6 3  4 7 8
-3 7 4  8 2 5  6 9 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[7,null,null,null,null,null,4,3,null,null,5,null,1,4,null,null,null,null,0,null,null,null,2,null,null,null,null,4,null,null,null,null,null,1,null,3,null,null,null,5,0,null,null,null,null,null,8,null,null,null,null,null,0,null,null,null,3,null,null,null,null,7,null,8,0,2,null,null,null,null,null,null,null,null,6,8,null,null,null,1,null],"solution":[7,2,1,0,5,8,4,3,6,6,5,8,1,4,3,7,2,0,0,3,4,6,2,7,5,8,1,4,6,0,7,8,2,1,5,3,3,1,7,5,0,6,8,4,2,2,8,5,3,1,4,6,0,7,1,4,3,2,6,5,0,7,8,8,0,2,4,7,1,3,6,5,5,7,6,8,3,0,2,1,4]}
-PUZZLE:
-8 _ _  _ _ _  5 4 _
-_ 6 _  2 5 _  _ _ _
-1 _ _  _ 3 _  _ _ _
-
-5 _ _  _ _ _  2 _ 4
-_ _ _  6 1 _  _ _ _
-_ 9 _  _ _ _  _ 1 _
-
-_ _ 4  _ _ _  _ 8 _
-9 1 3  _ _ _  _ _ _
-_ _ 7  9 _ _  _ 2 _
-
-SOLUTION:
-8 3 2  1 6 9  5 4 7
-7 6 9  2 5 4  8 3 1
-1 4 5  7 3 8  6 9 2
-
-5 7 1  8 9 3  2 6 4
-4 2 8  6 1 7  9 5 3
-3 9 6  4 2 5  7 1 8
-
-2 5 4  3 7 6  1 8 9
-9 1 3  5 8 2  4 7 6
-6 8 7  9 4 1  3 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,8,null,1,null,null,4,null,null,null,null,7,null,null,null,null,null,null,5,null,null,null,0,3,null,null,null,6,0,5,null,null,1,null,2,null,null,null,null,5,null,null,null,8,null,0,null,1,null,5,null,null,6,null,null,null,null,null,null,null,3,null,7,2],"solution":[7,3,0,6,2,1,4,5,8,5,4,6,8,0,7,3,2,1,8,2,1,3,5,4,0,6,7,6,7,3,2,4,8,1,0,5,1,8,2,0,3,5,7,4,6,0,5,4,7,1,6,2,8,3,3,6,5,4,7,2,8,1,0,2,1,7,5,8,0,6,3,4,4,0,8,1,6,3,5,7,2]}
-PUZZLE:
-_ 4 _  _ _ _  _ _ _
-_ _ _  _ _ 8  _ _ _
-9 _ 2  _ _ 5  _ _ _
-
-_ 8 _  _ _ _  _ _ 6
-_ _ _  1 4 _  _ _ 7
-1 6 _  _ 2 _  3 _ _
-
-_ _ 6  _ _ _  9 _ 1
-_ 2 _  6 _ _  7 _ _
-_ _ _  _ _ 4  _ 8 3
-
-SOLUTION:
-8 4 1  7 3 2  5 6 9
-6 5 7  9 1 8  4 3 2
-9 3 2  4 6 5  1 7 8
-
-7 8 4  3 5 9  2 1 6
-2 9 3  1 4 6  8 5 7
-1 6 5  8 2 7  3 9 4
-
-4 7 6  5 8 3  9 2 1
-3 2 8  6 9 1  7 4 5
-5 1 9  2 7 4  6 8 3
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,8,null,1,7,null,2,null,0,null,null,null,null,null,null,null,null,5,null,null,6,null,null,3,null,1,null,null,5,null,7,null,null,4,null,null,null,null,0,8,null,5,null,null,null,null,null,null,null,6,8,0,null,null,null,1,null,null,2,null,null,null,null,null,4,3,null,null,null,null,null,3,null,null,null,null,8,null,null,null],"solution":[6,3,8,4,1,7,0,2,5,0,1,2,8,3,5,4,6,7,5,4,7,6,2,0,3,8,1,8,0,5,2,7,3,1,4,6,1,2,6,0,8,4,5,7,3,4,7,3,1,5,6,8,0,2,7,8,1,5,4,2,6,3,0,2,6,4,3,0,1,7,5,8,3,5,0,7,6,8,2,1,4]}
-PUZZLE:
-_ _ 9  _ 2 8  _ 3 _
-1 _ _  _ _ _  _ _ _
-6 _ _  7 _ _  4 _ 2
-
-_ _ 6  _ 8 _  _ 5 _
-_ _ _  1 9 _  6 _ _
-_ _ _  _ _ 7  9 1 _
-
-_ _ 2  _ _ 3  _ _ _
-_ _ 5  4 _ _  _ _ _
-4 _ _  _ _ 9  _ _ _
-
-SOLUTION:
-7 4 9  5 2 8  1 3 6
-1 2 3  9 4 6  5 7 8
-6 5 8  7 3 1  4 9 2
-
-9 1 6  3 8 4  2 5 7
-2 3 7  1 9 5  6 8 4
-5 8 4  2 6 7  9 1 3
-
-8 9 2  6 5 3  7 4 1
-3 7 5  4 1 2  8 6 9
-4 6 1  8 7 9  3 2 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,1,6,2,null,null,2,1,null,null,null,null,null,null,null,8,6,null,4,null,null,5,null,null,4,null,null,null,null,5,null,3,null,null,2,null,null,null,0,1,null,null,null,3,1,null,6,8,null,null,null,null,null,null,5,null,null,0,null,null,null,null,4,null,2,null,null,null,null,null,4,8,null,7,null,null,null],"solution":[4,3,5,7,8,1,6,2,0,0,2,1,3,6,5,4,7,8,7,8,6,2,4,0,3,5,1,1,4,7,0,2,8,5,6,3,8,6,2,5,3,4,0,1,7,5,0,3,1,7,6,8,4,2,2,7,8,6,5,3,1,0,4,3,5,0,4,1,2,7,8,6,6,1,4,8,0,7,2,3,5]}
-PUZZLE:
-_ _ _  _ _ 2  7 3 _
-_ 3 2  _ _ _  _ _ _
-_ 9 7  _ 5 _  _ 6 _
-
-_ 5 _  _ _ _  6 _ 4
-_ _ 3  _ _ _  1 2 _
-_ _ 4  2 _ 7  9 _ _
-
-_ _ _  _ 6 _  _ 1 _
-_ _ _  5 _ 3  _ _ _
-_ _ 5  9 _ 8  _ _ _
-
-SOLUTION:
-5 4 6  8 9 2  7 3 1
-1 3 2  4 7 6  5 8 9
-8 9 7  3 5 1  4 6 2
-
-2 5 8  1 3 9  6 7 4
-9 7 3  6 4 5  1 2 8
-6 1 4  2 8 7  9 5 3
-
-3 8 9  7 6 4  2 1 5
-4 6 1  5 2 3  8 9 7
-7 2 5  9 1 8  3 4 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,3,null,null,null,null,null,null,2,null,1,null,null,3,null,null,null,6,null,null,null,2,null,null,4,8,null,null,null,null,null,1,null,null,1,null,null,null,null,null,6,5,null,null,null,3,4,null,null,8,null,null,null,null,2,null,8,null,null,null,null,null,null,null,0,3,null,null,1,null,null,null,null,5,null,4,null,null,null],"solution":[4,0,5,3,6,8,7,2,1,7,2,8,1,4,5,3,6,0,3,6,1,7,0,2,5,8,4,8,7,6,2,5,0,1,4,3,1,4,0,8,7,3,6,5,2,2,5,3,4,1,6,8,0,7,0,3,2,6,8,1,4,7,5,5,8,4,0,3,7,2,1,6,6,1,7,5,2,4,0,3,8]}
-PUZZLE:
-_ _ 6  4 _ _  _ _ _
-_ 3 _  2 _ _  4 _ _
-_ 7 _  _ _ 3  _ _ 5
-
-9 _ _  _ _ _  2 _ _
-2 _ _  _ _ _  7 6 _
-_ _ 4  5 _ _  9 _ _
-
-_ _ 3  _ 9 _  _ _ _
-_ _ _  1 4 _  _ 2 _
-_ _ _  6 _ 5  _ _ _
-
-SOLUTION:
-5 1 6  4 7 9  8 3 2
-8 3 9  2 5 6  4 7 1
-4 7 2  8 1 3  6 9 5
-
-9 8 7  3 6 1  2 5 4
-2 5 1  9 8 4  7 6 3
-3 6 4  5 2 7  9 1 8
-
-1 4 3  7 9 2  5 8 6
-6 9 5  1 4 8  3 2 7
-7 2 8  6 3 5  1 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[2,6,null,null,null,null,null,null,null,null,1,0,null,null,null,null,7,null,null,null,4,null,null,3,null,null,null,null,null,null,null,null,5,null,3,null,5,4,null,7,0,null,null,null,1,8,null,null,null,null,1,null,2,null,null,null,null,null,2,null,6,1,7,null,null,null,null,null,null,null,5,null,1,null,null,5,null,7,3,null,null],"solution":[2,6,5,0,7,4,1,8,3,3,1,0,8,5,6,4,7,2,7,8,4,2,1,3,5,0,6,0,2,1,6,8,5,7,3,4,5,4,3,7,0,2,8,6,1,8,7,6,4,3,1,0,2,5,4,5,8,3,2,0,6,1,7,6,3,7,1,4,8,2,5,0,1,0,2,5,6,7,3,4,8]}
-PUZZLE:
-3 7 _  _ _ _  _ _ _
-_ 2 1  _ _ _  _ 8 _
-_ _ 5  _ _ 4  _ _ _
-
-_ _ _  _ _ 6  _ 4 _
-6 5 _  8 1 _  _ _ 2
-9 _ _  _ _ 2  _ 3 _
-
-_ _ _  _ 3 _  7 2 8
 _ _ _  _ _ _  _ 6 _
-2 _ _  6 _ 8  4 _ _
+_ _ 7  _ _ _  _ _ 5
+9 8 5  _ _ _  4 _ 3
 
 SOLUTION:
-3 7 6  1 8 5  2 9 4
-4 2 1  9 6 7  5 8 3
-8 9 5  3 2 4  6 1 7
+8 1 2  4 7 9  3 5 6
+5 7 4  6 3 2  9 1 8
+6 3 9  8 1 5  2 4 7
 
-1 3 2  7 9 6  8 4 5
-6 5 4  8 1 3  9 7 2
-9 8 7  5 4 2  1 3 6
+3 9 1  2 8 6  5 7 4
+7 2 8  5 4 1  6 3 9
+4 5 6  7 9 3  1 8 2
 
-5 6 9  4 3 1  7 2 8
-7 4 8  2 5 9  3 6 1
-2 1 3  6 7 8  4 5 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[5,null,6,2,3,null,1,null,null,null,null,null,null,5,8,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,1,null,null,null,1,7,2,null,8,null,null,null,7,null,null,null,null,null,0,null,null,null,5,null,null,4,null,null,null,null,3,null,null,1,null,7,null,null,0,null,null,3,null,null,null,2,6],"solution":[5,0,6,2,3,7,1,4,8,7,4,3,1,5,8,0,6,2,1,2,8,4,0,6,5,7,3,4,8,0,5,6,3,2,1,7,6,5,1,7,2,0,8,3,4,3,7,2,8,4,1,6,0,5,2,6,5,0,7,4,3,8,1,8,3,4,6,1,2,7,5,0,0,1,7,3,8,5,4,2,6]}
-PUZZLE:
-6 _ 7  3 4 _  2 _ _
-_ _ _  _ 6 9  _ _ _
-_ _ _  _ _ _  _ _ _
-
-_ 9 _  _ _ _  _ 2 _
-_ _ 2  8 3 _  9 _ _
-_ 8 _  _ _ _  _ 1 _
-
-_ _ 6  _ _ 5  _ _ _
-_ 4 _  _ 2 _  8 _ _
-1 _ _  4 _ _  _ 3 7
-
-SOLUTION:
-6 1 7  3 4 8  2 5 9
-8 5 4  2 6 9  1 7 3
-2 3 9  5 1 7  6 8 4
-
-5 9 1  6 7 4  3 2 8
-7 6 2  8 3 1  9 4 5
-4 8 3  9 5 2  7 1 6
-
-3 7 6  1 8 5  4 9 2
-9 4 5  7 2 3  8 6 1
-1 2 8  4 9 6  5 3 7
+2 4 3  9 5 8  7 6 1
+1 6 7  3 2 4  8 9 5
+9 8 5  1 6 7  4 2 3
 
 RATING: 0
 DATA:
-{"puzzle":[null,4,null,null,null,5,1,null,null,null,null,6,0,null,7,null,null,null,null,null,1,4,null,null,0,null,null,6,null,3,5,null,null,null,null,null,null,null,null,null,null,3,null,6,null,2,7,null,null,null,null,null,null,8,3,null,null,null,null,null,null,8,2,null,null,null,null,7,null,3,5,1,null,null,null,null,8,null,null,null,7],"solution":[7,4,0,8,3,5,1,2,6,5,2,6,0,1,7,8,4,3,8,3,1,4,6,2,0,7,5,6,0,3,5,2,8,7,1,4,1,8,5,7,4,3,2,6,0,2,7,4,1,0,6,5,3,8,3,1,7,6,5,0,4,8,2,0,6,8,2,7,4,3,5,1,4,5,2,3,8,1,6,0,7]}
+{"puzzle":[2,0,5,null,null,null,3,null,null,null,7,6,null,5,null,null,null,null,null,null,null,null,null,7,null,1,null,null,5,null,null,null,null,null,null,2,null,null,null,null,null,0,6,null,4,3,2,null,null,null,8,1,null,null,8,null,null,1,null,null,null,null,null,null,4,null,3,6,2,null,8,null,null,null,null,null,null,null,null,null,null],"solution":[2,0,5,4,1,6,3,7,8,1,7,6,8,5,3,4,2,0,4,8,3,2,0,7,5,1,6,6,5,4,7,3,1,8,0,2,7,1,8,5,2,0,6,3,4,3,2,0,6,4,8,1,5,7,8,6,2,1,7,5,0,4,3,0,4,1,3,6,2,7,8,5,5,3,7,0,8,4,2,6,1]}
 PUZZLE:
-_ 5 _  _ _ 6  2 _ _
-_ _ 7  1 _ 8  _ _ _
-_ _ 2  5 _ _  1 _ _
+3 1 6  _ _ _  4 _ _
+_ 8 7  _ 6 _  _ _ _
+_ _ _  _ _ 8  _ 2 _
 
-7 _ 4  6 _ _  _ _ _
-_ _ _  _ _ 4  _ 7 _
-3 8 _  _ _ _  _ _ 9
-
-4 _ _  _ _ _  _ 9 3
-_ _ _  _ 8 _  4 6 2
-_ _ _  _ 9 _  _ _ 8
-
-SOLUTION:
-8 5 1  9 4 6  2 3 7
-6 3 7  1 2 8  9 5 4
-9 4 2  5 7 3  1 8 6
-
-7 1 4  6 3 9  8 2 5
-2 9 6  8 5 4  3 7 1
-3 8 5  2 1 7  6 4 9
-
-4 2 8  7 6 1  5 9 3
-1 7 9  3 8 5  4 6 2
-5 6 3  4 9 2  7 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,2,5,null,null,6,null,1,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,4,3,1,null,null,null,8,null,null,null,7,null,null,null,2,6,null,3,8,null,null,null,7,null,null,null,null,null,null,null,null,4,null,2,null,null,null,null,6,null,5,null],"solution":[4,7,0,3,2,5,1,8,6,5,1,2,0,6,8,7,3,4,3,6,8,1,4,7,0,2,5,1,0,4,5,8,2,3,6,7,7,2,6,4,3,1,5,0,8,8,3,5,6,7,0,4,1,2,6,5,3,8,1,4,2,7,0,0,8,7,2,5,3,6,4,1,2,4,1,7,0,6,8,5,3]}
-PUZZLE:
-_ _ 1  _ 3 6  _ _ 7
-_ 2 _  _ _ _  _ 4 _
-_ _ _  _ _ _  _ _ _
-
-_ 1 _  _ _ _  _ _ _
-_ _ _  5 4 2  _ _ _
-9 _ _  _ 8 _  _ _ 3
-
-7 _ 4  9 _ _  _ 8 _
-_ _ _  _ _ _  _ 5 _
-3 _ _  _ _ 7  _ 6 _
-
-SOLUTION:
-5 8 1  4 3 6  2 9 7
-6 2 3  1 7 9  8 4 5
-4 7 9  2 5 8  1 3 6
-
-2 1 5  6 9 3  4 7 8
-8 3 7  5 4 2  6 1 9
-9 4 6  7 8 1  5 2 3
-
-7 6 4  9 2 5  3 8 1
-1 9 8  3 6 4  7 5 2
-3 5 2  8 1 7  9 6 4
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,1,null,7,null,null,null,null,2,6,null,2,null,1,0,null,5,null,null,null,null,null,null,null,3,null,1,7,null,null,4,5,1,null,null,null,null,8,null,null,null,null,null,null,null,1,null,null,2,null,null,0,null,null,4,null,null,null,6,null,2,null,3,null,null,7,null,null,null,null,null,null,null,null,null,null,2,null,1,4,null],"solution":[3,1,5,7,8,6,4,0,2,6,4,2,3,1,0,7,5,8,0,7,8,5,4,2,3,6,1,7,3,0,4,5,1,8,2,6,2,8,4,6,0,3,5,1,7,1,5,6,2,7,8,0,3,4,4,0,1,8,6,5,2,7,3,5,2,7,1,3,4,6,8,0,8,6,3,0,2,7,1,4,5]}
-PUZZLE:
-_ 2 _  8 _ _  _ _ 3
-7 _ 3  _ 2 1  _ 6 _
-_ _ _  _ _ _  4 _ 2
-
-8 _ _  5 6 2  _ _ _
-_ 9 _  _ _ _  _ _ _
-2 _ _  3 _ _  1 _ _
-
-5 _ _  _ 7 _  3 _ 4
-_ _ 8  _ _ _  _ _ _
-_ _ _  _ 3 _  2 5 _
-
-SOLUTION:
-4 2 6  8 9 7  5 1 3
-7 5 3  4 2 1  8 6 9
-1 8 9  6 5 3  4 7 2
-
-8 4 1  5 6 2  9 3 7
-3 9 5  7 1 4  6 2 8
-2 6 7  3 8 9  1 4 5
-
-5 1 2  9 7 6  3 8 4
-6 3 8  2 4 5  7 9 1
-9 7 4  1 3 8  2 5 6
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,3,null,7,1,null,null,null,null,null,2,null,null,null,null,null,null,2,7,null,null,null,null,null,null,null,null,null,null,0,null,7,null,null,null,0,null,4,null,6,5,null,null,null,null,6,null,7,null,3,null,8,null,1,null,null,3,null,null,null,4,null,4,null,null,null,null,null,null,0,null,null,null,6,null,5,null,null,null],"solution":[0,6,4,3,5,7,1,8,2,5,3,8,2,1,4,0,6,7,1,2,7,0,6,8,4,3,5,2,8,1,5,0,3,7,4,6,7,0,3,4,8,6,5,2,1,4,5,6,1,7,2,3,0,8,6,1,2,7,3,0,8,5,4,3,4,5,8,2,1,6,7,0,8,7,0,6,4,5,2,1,3]}
-PUZZLE:
-_ _ _  4 _ 8  2 _ _
-_ _ _  3 _ _  _ _ _
-_ 3 8  _ _ _  _ _ _
-
-_ _ _  _ 1 _  8 _ _
-_ 1 _  5 _ 7  6 _ _
-_ _ 7  _ 8 _  4 _ 9
-
-_ 2 _  _ 4 _  _ _ 5
-_ 5 _  _ _ _  _ _ 1
-_ _ _  7 _ 6  _ _ _
-
-SOLUTION:
-1 7 5  4 6 8  2 9 3
-6 4 9  3 2 5  1 7 8
-2 3 8  1 7 9  5 4 6
-
-3 9 2  6 1 4  8 5 7
-8 1 4  5 9 7  6 3 2
-5 6 7  2 8 3  4 1 9
-
-7 2 3  8 4 1  9 6 5
-4 5 6  9 3 2  7 8 1
-9 8 1  7 5 6  3 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,2,null,7,null,null,null,null,5,4,null,null,null,null,1,null,6,null,null,null,null,2,null,null,null,null,null,5,null,4,0,null,null,null,3,2,null,6,null,null,null,null,null,8,null,null,null,null,null,8,null,null,null,6,7,null,null,null,null,5,null,null,null,null,null,3,4,null,0,null,null,null,null,null,null,null,null,null,null,7],"solution":[0,3,2,6,7,1,8,5,4,5,4,7,8,3,0,1,2,6,8,6,1,5,2,4,7,3,0,7,5,8,4,0,6,2,1,3,2,1,6,7,5,3,4,0,8,3,0,4,2,1,8,6,7,5,6,7,3,0,8,2,5,4,1,1,8,5,3,4,7,0,6,2,4,2,0,1,6,5,3,8,7]}
-PUZZLE:
-_ 4 3  _ 8 _  _ _ _
-6 5 _  _ _ _  2 _ 7
-_ _ _  _ 3 _  _ _ _
-
-_ 6 _  5 1 _  _ _ 4
-3 _ 7  _ _ _  _ _ 9
-_ _ _  _ _ 9  _ _ _
-
-7 8 _  _ _ _  6 _ _
-_ _ _  4 5 _  1 _ _
-_ _ _  _ _ _  _ _ 8
-
-SOLUTION:
-1 4 3  7 8 2  9 6 5
-6 5 8  9 4 1  2 3 7
-9 7 2  6 3 5  8 4 1
-
-8 6 9  5 1 7  3 2 4
-3 2 7  8 6 4  5 1 9
-4 1 5  3 2 9  7 8 6
-
-7 8 4  1 9 3  6 5 2
-2 9 6  4 5 8  1 7 3
-5 3 1  2 7 6  4 9 8
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,null,null,2,8,null,3,7,4,null,null,null,null,null,null,8,0,null,3,null,null,null,null,null,0,null,null,null,1,2,null,null,null,null,null,0,6,null,null,6,null,null,1,null,7,null,null,null,null,null,4,7,null,6,null,null,null,null,null,null,null,6,null,7,null,null,null,5,3,null,8,null,null,null],"solution":[7,3,1,2,6,4,8,5,0,0,2,8,5,3,7,4,1,6,4,5,6,1,8,0,2,3,7,8,4,7,6,0,3,5,2,1,2,1,3,7,4,5,0,6,8,5,6,0,8,1,2,7,4,3,3,0,2,4,7,1,6,8,5,1,8,4,0,5,6,3,7,2,6,7,5,3,2,8,1,0,4]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ _
-_ 3 9  _ 4 8  5 _ _
-_ _ _  _ 9 1  _ 4 _
-
-_ _ _  _ 1 _  _ _ 2
-3 _ _  _ _ _  1 7 _
-_ 7 _  _ 2 _  8 _ _
-
-_ _ _  5 8 _  7 _ _
-_ _ _  _ _ 7  _ 8 _
-_ _ 6  4 _ 9  _ _ _
-
-SOLUTION:
-8 4 2  3 7 5  9 6 1
-1 3 9  6 4 8  5 2 7
-5 6 7  2 9 1  3 4 8
-
-9 5 8  7 1 4  6 3 2
-3 2 4  8 5 6  1 7 9
-6 7 1  9 2 3  8 5 4
-
-4 1 3  5 8 2  7 9 6
-2 9 5  1 6 7  4 8 3
-7 8 6  4 3 9  2 1 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,6,5,null,null,null,null,null,null,null,null,4,null,null,null,1,3,null,2,0,null,null,6,null,8,0,8,null,3,null,null,null,2,null,null,2,1,null,null,null,null,null,null,null,null,null,null,null,5,null,null,7,null,null,null,null,3,null,1,null,5,null,null,null,null,7,0,3,null,null,null,null,5,null,null,null,null,null,2],"solution":[1,7,8,6,5,3,2,4,0,6,5,0,2,4,8,7,3,1,3,4,2,0,1,7,6,5,8,0,8,7,3,6,1,5,2,4,5,2,1,7,0,4,8,6,3,4,6,3,8,2,5,0,1,7,8,0,6,4,3,2,1,7,5,2,1,4,5,7,0,3,8,6,7,3,5,1,8,6,4,0,2]}
-PUZZLE:
-_ _ _  7 6 _  _ _ _
-_ _ _  _ 5 _  _ _ 2
-4 _ 3  1 _ _  7 _ 9
-
-1 9 _  4 _ _  _ 3 _
-_ 3 2  _ _ _  _ _ _
-_ _ _  _ _ 6  _ _ 8
-
-_ _ _  _ 4 _  2 _ 6
-_ _ _  _ 8 1  4 _ _
-_ _ 6  _ _ _  _ _ 3
-
-SOLUTION:
-2 8 9  7 6 4  3 5 1
-7 6 1  3 5 9  8 4 2
-4 5 3  1 2 8  7 6 9
-
-1 9 8  4 7 2  6 3 5
-6 3 2  8 1 5  9 7 4
-5 7 4  9 3 6  1 2 8
-
-9 1 7  5 4 3  2 8 6
-3 2 5  6 8 1  4 9 7
-8 4 6  2 9 7  5 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,0,4,null,null,2,null,8,null,null,null,6,null,1,null,null,null,3,null,5,null,null,null,8,8,null,null,null,null,null,null,null,null,null,null,7,6,null,null,null,null,4,2,null,null,5,null,null,6,7,0,null,null,null,1,null,null,2,null,null,4,null,null,null,2,null,null,null,null,null,null,null,0,null,5,null,3,null],"solution":[7,1,5,8,0,4,3,6,2,0,8,4,2,3,6,7,1,5,6,2,3,7,5,1,4,0,8,8,5,6,4,7,0,1,2,3,3,0,7,6,1,2,5,8,4,2,4,1,5,8,3,6,7,0,5,3,0,1,6,8,2,4,7,4,6,8,3,2,7,0,5,1,1,7,2,0,4,5,8,3,6]}
-PUZZLE:
-_ 2 _  _ 1 5  _ _ 3
-_ 9 _  _ _ 7  _ 2 _
-_ _ 4  _ 6 _  _ _ 9
-
-9 _ _  _ _ _  _ _ _
-_ _ 8  7 _ _  _ _ 5
-3 _ _  6 _ _  7 8 1
-
-_ _ _  2 _ _  3 _ _
-5 _ _  _ 3 _  _ _ _
-_ _ _  1 _ 6  _ 4 _
-
-SOLUTION:
-8 2 6  9 1 5  4 7 3
-1 9 5  3 4 7  8 2 6
-7 3 4  8 6 2  5 1 9
-
-9 6 7  5 8 1  2 3 4
-4 1 8  7 2 3  6 9 5
-3 5 2  6 9 4  7 8 1
-
-6 4 1  2 7 9  3 5 8
-5 7 9  4 3 8  1 6 2
-2 8 3  1 5 6  9 4 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,5,null,2,null,7,0,null,4,null,null,null,null,null,null,null,8,null,4,2,1,8,null,null,null,7,null,null,null,null,null,null,null,7,null,null,null,null,8,5,null,null,null,1,null,6,null,null,null,null,0,null,null,null,null,3,null,null,5,null,null,null,null,null,8,null,1,4,null,6,null,null,null,null,null,null,null,null,4,null,null],"solution":[8,5,3,2,1,7,0,6,4,7,0,6,4,3,5,1,8,2,4,2,1,8,0,6,5,7,3,2,4,0,3,8,1,7,5,6,3,7,8,5,6,4,2,1,0,6,1,5,7,2,0,3,4,8,1,3,4,6,5,2,8,0,7,0,8,7,1,4,3,6,2,5,5,6,2,0,7,8,4,3,1]}
-PUZZLE:
-_ 6 _  3 _ 8  1 _ 5
-_ _ _  _ _ _  _ 9 _
-5 3 2  9 _ _  _ 8 _
-
-_ _ _  _ _ _  8 _ _
-_ _ 9  6 _ _  _ 2 _
-7 _ _  _ _ 1  _ _ _
-
-_ 4 _  _ 6 _  _ _ _
-_ 9 _  2 5 _  7 _ _
-_ _ _  _ _ _  5 _ _
-
-SOLUTION:
-9 6 4  3 2 8  1 7 5
-8 1 7  5 4 6  2 9 3
-5 3 2  9 1 7  6 8 4
-
-3 5 1  4 9 2  8 6 7
-4 8 9  6 7 5  3 2 1
-7 2 6  8 3 1  4 5 9
-
-2 4 5  7 6 3  9 1 8
-1 9 8  2 5 4  7 3 6
-6 7 3  1 8 9  5 4 2
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,8,null,null,2,null,5,null,6,null,null,null,null,null,6,null,0,8,null,null,null,null,null,null,2,null,null,null,null,null,1,null,null,3,null,null,null,null,4,null,null,null,null,1,0,null,null,5,7,null,0,null,6,null,null,null,null,null,null,null,null,null,null,null,3,1,null,null,null,null,5,3,4,null,6,null],"solution":[1,3,0,2,4,5,8,7,6,2,8,5,3,6,7,1,0,4,7,6,4,0,8,1,5,2,3,0,7,2,4,5,8,6,3,1,5,1,3,7,2,6,0,4,8,6,4,8,1,0,3,2,5,7,3,0,7,6,1,2,4,8,5,4,5,6,8,7,0,3,1,2,8,2,1,5,3,4,7,6,0]}
-PUZZLE:
-_ _ _  _ _ _  9 _ _
-3 _ 6  _ 7 _  _ _ _
-_ 7 _  1 9 _  _ _ _
-
-_ _ 3  _ _ _  _ _ 2
-_ _ 4  _ _ _  _ 5 _
-_ _ _  2 1 _  _ 6 8
-
-_ 1 _  7 _ _  _ _ _
-_ _ _  _ _ _  4 2 _
-_ _ _  6 4 5  _ 7 _
-
-SOLUTION:
-2 4 1  3 5 6  9 8 7
-3 9 6  4 7 8  2 1 5
-8 7 5  1 9 2  6 3 4
-
-1 8 3  5 6 9  7 4 2
-6 2 4  8 3 7  1 5 9
-7 5 9  2 1 4  3 6 8
-
-4 1 8  7 2 3  5 9 6
-5 6 7  9 8 1  4 2 3
-9 3 2  6 4 5  8 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,8,null,6,null,null,null,null,null,null,7,2,null,null,1,null,7,null,null,3,8,null,null,8,5,null,null,null,null,null,null,2,null,null,1,null,null,null,null,3,null,2,null,null,4,null,null,null,null,0,null,null,2,null,7,null,null,null,null,5,7,3,null,null,6,null,null,null,null,null,null,null,5,4,null,null,null],"solution":[3,2,4,5,1,8,0,6,7,6,8,5,0,4,7,2,1,3,1,0,7,2,6,3,8,5,4,8,5,0,7,3,1,6,4,2,7,4,1,6,0,2,5,3,8,2,3,6,4,8,5,1,7,0,4,6,2,1,7,0,3,8,5,5,7,3,8,2,6,4,0,1,0,1,8,3,5,4,7,2,6]}
-PUZZLE:
-_ _ 5  _ _ 9  _ 7 _
-_ _ _  _ _ 8  3 _ _
-2 _ 8  _ _ 4  9 _ _
-
-9 6 _  _ _ _  _ _ 3
-_ _ 2  _ _ _  _ 4 _
-3 _ _  5 _ _  _ _ 1
-
-_ _ 3  _ 8 _  _ _ _
-6 8 4  _ _ 7  _ _ _
-_ _ _  _ 6 5  _ _ _
-
-SOLUTION:
-4 3 5  6 2 9  1 7 8
-7 9 6  1 5 8  3 2 4
-2 1 8  3 7 4  9 6 5
-
-9 6 1  8 4 2  7 5 3
-8 5 2  7 1 3  6 4 9
-3 4 7  5 9 6  2 8 1
-
-5 7 3  2 8 1  4 9 6
-6 8 4  9 3 7  5 1 2
-1 2 9  4 6 5  8 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[1,7,2,null,null,5,null,0,null,0,8,null,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null,2,null,7,4,null,null,null,null,8,null,null,5,null,null,null,2,null,7,null,null,null,null,1,null,null,null,5,8,4,null,null,null,6,null,null,null,null,null,null,null,8,null,null,5,null,null,2,null,null,null,null,null,6,null],"solution":[1,7,2,8,3,5,4,0,6,0,8,3,6,4,1,5,7,2,6,5,4,0,2,7,3,8,1,2,1,7,4,5,0,6,3,8,4,0,5,3,6,8,2,1,7,3,6,8,7,1,2,0,4,5,8,4,1,5,0,6,7,2,3,7,3,6,2,8,4,1,5,0,5,2,0,1,7,3,8,6,4]}
-PUZZLE:
-2 8 3  _ _ 6  _ 1 _
-1 9 _  _ _ _  _ _ _
-_ _ _  _ _ _  4 _ _
-
-3 _ 8  5 _ _  _ _ 9
-_ _ 6  _ _ _  3 _ 8
-_ _ _  _ 2 _  _ _ 6
-
-9 5 _  _ _ 7  _ _ _
-_ _ _  _ 9 _  _ 6 _
-_ 3 _  _ _ _  _ 7 _
-
-SOLUTION:
-2 8 3  9 4 6  5 1 7
-1 9 4  7 5 2  6 8 3
-7 6 5  1 3 8  4 9 2
-
-3 2 8  5 6 1  7 4 9
-5 1 6  4 7 9  3 2 8
-4 7 9  8 2 3  1 5 6
-
-9 5 2  6 1 7  8 3 4
-8 4 7  3 9 5  2 6 1
-6 3 1  2 8 4  9 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,3,5,null,2,null,null,null,null,null,8,null,1,7,null,null,null,0,4,7,null,null,null,null,null,null,7,null,null,null,null,5,2,6,null,2,null,null,4,null,null,7,8,null,null,null,null,2,null,null,null,7,null,5,1,null,null,null,8,null,null,null,null,null,null,null,0,null,null,null,null,null,null,0,null,null,null,1],"solution":[1,7,8,6,3,5,4,2,0,5,6,4,2,8,0,1,7,3,3,2,0,4,7,1,5,6,8,0,4,7,3,1,8,6,5,2,6,3,2,0,5,4,8,1,7,8,5,1,7,6,2,3,0,4,7,0,5,1,4,3,2,8,6,4,1,6,8,2,7,0,3,5,2,8,3,5,0,6,7,4,1]}
-PUZZLE:
-_ _ _  _ 4 6  _ 3 _
-_ _ _  _ 9 _  2 8 _
-_ _ 1  5 8 _  _ _ _
-
-_ _ 8  _ _ _  _ 6 3
-7 _ 3  _ _ 5  _ _ 8
-9 _ _  _ _ 3  _ _ _
-
-8 _ 6  2 _ _  _ 9 _
-_ _ _  _ _ _  1 _ _
-_ _ _  _ 1 _  _ _ 2
-
-SOLUTION:
-2 8 9  7 4 6  5 3 1
-6 7 5  3 9 1  2 8 4
-4 3 1  5 8 2  6 7 9
-
-1 5 8  4 2 9  7 6 3
-7 4 3  1 6 5  9 2 8
-9 6 2  8 7 3  4 1 5
-
-8 1 6  2 5 4  3 9 7
-5 2 7  9 3 8  1 4 6
-3 9 4  6 1 7  8 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,8,null,6,null,null,null,null,5,null,null,4,null,7,2,null,null,null,6,null,null,null,null,null,7,null,null,null,4,null,null,null,null,null,null,null,8,null,null,null,5,null,null,5,6,3,null,null,2,null,1,0,null,null,null,3,1,null,null,null,null,7,1,null,null,null,null,6,null,null,null,null,4,null,8,null,null,null],"solution":[1,3,0,2,8,7,6,4,5,6,8,5,1,0,4,3,7,2,2,4,7,6,5,3,8,1,0,7,1,8,5,4,2,0,3,6,3,0,2,8,1,6,7,5,4,4,5,6,3,7,0,2,8,1,0,6,4,7,3,1,5,2,8,8,7,1,0,2,5,4,6,3,5,2,3,4,6,8,1,0,7]}
-PUZZLE:
-_ 4 _  _ 9 _  7 _ _
-_ _ 6  _ _ 5  _ 8 3
-_ _ _  7 _ _  _ _ _
-
-8 _ _  _ 5 _  _ _ _
-_ _ _  9 _ _  _ 6 _
-_ 6 7  4 _ _  3 _ 2
-
-1 _ _  _ 4 2  _ _ _
-_ 8 2  _ _ _  _ 7 _
-_ _ _  5 _ 9  _ _ _
-
-SOLUTION:
-2 4 1  3 9 8  7 5 6
-7 9 6  2 1 5  4 8 3
-3 5 8  7 6 4  9 2 1
-
-8 2 9  6 5 3  1 4 7
-4 1 3  9 2 7  8 6 5
-5 6 7  4 8 1  3 9 2
-
-1 7 5  8 4 2  6 3 9
-9 8 2  1 3 6  5 7 4
-6 3 4  5 7 9  2 1 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,6,8,null,null,1,null,null,8,null,null,null,null,null,null,null,null,7,null,null,null,5,null,8,null,null,5,4,null,null,2,0,null,null,null,3,null,2,null,null,7,null,null,null,null,null,1,6,null,null,2,null,null,1,3,null,7,null,5,null,4,null,null,null,null,null,6,null,7,8,null,null,null,null,null,null,null],"solution":[0,5,2,4,1,6,8,7,3,1,7,4,8,5,3,2,0,6,6,3,8,7,2,0,4,5,1,8,6,3,5,4,7,1,2,0,4,1,0,3,6,2,5,8,7,5,2,7,0,8,1,6,3,4,2,0,6,1,3,8,7,4,5,3,4,1,2,7,5,0,6,8,7,8,5,6,0,4,3,1,2]}
-PUZZLE:
-_ _ _  _ _ 7  9 _ _
-2 _ _  9 _ _  _ _ _
-_ _ _  8 _ _  _ 6 _
-
-9 _ _  6 5 _  _ 3 1
-_ _ _  4 _ 3  _ _ 8
-_ _ _  _ _ 2  7 _ _
-
-3 _ _  2 4 _  8 _ 6
-_ 5 _  _ _ _  _ 7 _
-8 9 _  _ _ _  _ _ _
-
-SOLUTION:
-1 6 3  5 2 7  9 8 4
-2 8 5  9 6 4  3 1 7
-7 4 9  8 3 1  5 6 2
-
-9 7 4  6 5 8  2 3 1
-5 2 1  4 7 3  6 9 8
-6 3 8  1 9 2  7 4 5
-
-3 1 7  2 4 9  8 5 6
-4 5 2  3 8 6  1 7 9
-8 9 6  7 1 5  4 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,1,null,null,null,7,null,null,null,7,0,null,null,8,null,null,null,3,2,null,null,6,null,0,0,null,7,null,null,null,4,null,null,null,3,null,null,null,null,0,null,null,null,1,null,4,8,null,null,null,null,3,4,null,null,null,null,null,null,null,null,7,null,null,null,2,null,null,6,null,null,null,5,null,null,7,null,null],"solution":[4,0,8,6,1,5,2,3,7,1,6,2,7,0,3,5,8,4,7,5,3,2,4,8,6,1,0,0,8,7,3,2,6,4,5,1,2,3,4,1,5,7,0,6,8,6,1,5,4,8,0,3,7,2,3,4,6,0,7,1,8,2,5,5,7,0,8,3,2,1,4,6,8,2,1,5,6,4,7,0,3]}
-PUZZLE:
-_ _ 9  _ 2 _  _ _ 8
-_ _ _  8 1 _  _ 9 _
-_ _ 4  3 _ _  7 _ 1
-
-1 _ 8  _ _ _  5 _ _
-_ 4 _  _ _ _  1 _ _
-_ 2 _  5 9 _  _ _ _
-
-4 5 _  _ _ _  _ _ _
-_ 8 _  _ _ 3  _ _ 7
-_ _ _  6 _ _  8 _ _
-
-SOLUTION:
-5 1 9  7 2 6  3 4 8
-2 7 3  8 1 4  6 9 5
-8 6 4  3 5 9  7 2 1
-
-1 9 8  4 3 7  5 6 2
-3 4 5  2 6 8  1 7 9
-7 2 6  5 9 1  4 8 3
-
-4 5 7  1 8 2  9 3 6
-6 8 1  9 4 3  2 5 7
-9 3 2  6 7 5  8 1 4
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,5,7,null,null,null,null,6,4,null,null,null,8,null,null,null,null,null,0,null,null,6,null,null,5,null,null,null,2,null,1,null,null,3,2,null,null,null,null,null,null,4,null,8,null,6,null,null,null,null,3,null,null,0,null,null,5,0,null,null,null,null,null,7,null],"solution":[4,5,1,0,2,3,6,8,7,6,3,0,7,8,4,2,1,5,7,2,8,5,1,6,4,3,0,2,8,5,1,4,7,3,0,6,3,6,7,8,5,0,1,4,2,0,1,4,6,3,2,7,5,8,1,7,2,4,0,8,5,6,3,8,4,6,3,7,5,0,2,1,5,0,3,2,6,1,8,7,4]}
-PUZZLE:
-5 _ _  _ _ _  _ _ _
-_ _ _  _ 9 _  _ _ 6
-8 _ _  _ _ 7  5 _ _
-
-_ 9 _  _ _ _  _ 1 _
-_ 7 _  _ 6 _  _ _ 3
-_ 2 _  _ 4 3  _ _ _
-
-_ _ _  5 _ 9  _ 7 _
-_ _ _  4 _ _  1 _ _
-6 1 _  _ _ _  _ 8 _
-
-SOLUTION:
-5 6 2  1 3 4  7 9 8
-7 4 1  8 9 5  3 2 6
-8 3 9  6 2 7  5 4 1
-
-3 9 6  2 5 8  4 1 7
-4 7 8  9 6 1  2 5 3
-1 2 5  7 4 3  8 6 9
-
-2 8 3  5 1 9  6 7 4
-9 5 7  4 8 6  1 3 2
-6 1 4  3 7 2  9 8 5
-
-RATING: 0
-DATA:
-{"puzzle":[2,0,null,7,null,null,null,null,4,null,null,null,null,null,4,null,null,null,null,5,4,null,0,8,3,null,7,null,7,null,4,null,null,null,1,null,null,1,null,null,null,null,4,null,null,6,null,null,null,5,null,null,null,0,null,8,null,5,null,1,null,null,null,null,null,null,null,2,null,null,8,6,null,null,null,null,null,null,null,null,null],"solution":[2,0,3,7,1,5,8,6,4,8,6,7,2,3,4,1,0,5,1,5,4,6,0,8,3,2,7,3,7,5,4,8,0,6,1,2,0,1,2,3,7,6,4,5,8,6,4,8,1,5,2,7,3,0,7,8,0,5,6,1,2,4,3,4,3,1,0,2,7,5,8,6,5,2,6,8,4,3,0,7,1]}
-PUZZLE:
-3 1 _  8 _ _  _ _ 5
-_ _ _  _ _ 5  _ _ _
-_ 6 5  _ 1 9  4 _ 8
-
-_ 8 _  5 _ _  _ 2 _
-_ 2 _  _ _ _  5 _ _
-7 _ _  _ 6 _  _ _ 1
-
-_ 9 _  6 _ 2  _ _ _
-_ _ _  _ 3 _  _ 9 7
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-3 1 4  8 2 6  9 7 5
-9 7 8  3 4 5  2 1 6
-2 6 5  7 1 9  4 3 8
-
-4 8 6  5 9 1  7 2 3
-1 2 3  4 8 7  5 6 9
-7 5 9  2 6 3  8 4 1
-
-8 9 1  6 7 2  3 5 4
-5 4 2  1 3 8  6 9 7
-6 3 7  9 5 4  1 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,4,null,null,null,null,8,null,null,4,null,0,null,null,7,2,null,null,null,null,null,8,null,3,null,null,4,null,null,null,null,null,null,null,null,null,null,null,5,0,null,2,null,7,8,null,null,6,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,3,5,null,null,3,null,7,null,null,5,null,1,null],"solution":[2,1,5,4,3,7,6,0,8,8,3,4,5,0,6,1,7,2,0,7,6,1,2,8,4,3,5,5,4,0,7,1,2,3,8,6,1,6,3,8,5,0,7,2,4,7,8,2,3,6,4,0,5,1,4,5,8,0,7,1,2,6,3,6,0,1,2,8,3,5,4,7,3,2,7,6,4,5,8,1,0]}
-PUZZLE:
-_ 2 _  5 _ _  _ _ 9
-_ _ 5  _ 1 _  _ 8 3
-_ _ _  _ _ 9  _ 4 _
-
-_ 5 _  _ _ _  _ _ _
-_ _ _  _ 6 1  _ 3 _
-8 9 _  _ 7 _  _ _ _
-
-_ _ _  _ _ _  _ 7 _
-_ _ _  _ _ 4  6 _ _
-4 _ 8  _ _ 6  _ 2 _
-
-SOLUTION:
-3 2 6  5 4 8  7 1 9
-9 4 5  6 1 7  2 8 3
-1 8 7  2 3 9  5 4 6
-
-6 5 1  8 2 3  4 9 7
-2 7 4  9 6 1  8 3 5
-8 9 3  4 7 5  1 6 2
-
-5 6 9  1 8 2  3 7 4
-7 1 2  3 9 4  6 5 8
-4 3 8  7 5 6  9 2 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,7,null,4,null,3,null,0,3,null,null,null,1,5,null,null,null,null,null,null,null,null,null,4,null,null,null,6,0,null,7,4,null,null,2,1,null,null,null,null,null,null,null,null,null,null,null,null,8,null,1,null,null,7,null,6,null,null,0,null,null,null,null,null,null,null,null,null,6,4,null,0,5,null,null,null,8,null,3],"solution":[5,2,1,7,0,4,6,3,8,0,3,4,8,6,1,5,2,7,8,6,7,3,2,5,1,4,0,3,5,6,0,1,7,4,8,2,2,1,8,4,3,6,7,0,5,7,4,0,2,5,8,3,1,6,4,7,2,6,8,3,0,5,1,1,8,3,5,7,0,2,6,4,6,0,5,1,4,2,8,7,3]}
-PUZZLE:
-_ _ _  8 _ 5  _ 4 _
-1 4 _  _ _ 2  6 _ _
-_ _ _  _ _ _  _ 5 _
-
-_ _ 7  1 _ 8  5 _ _
-3 2 _  _ _ _  _ _ _
-_ _ _  _ _ 9  _ 2 _
-
-_ 8 _  7 _ _  1 _ _
-_ _ _  _ _ _  _ 7 5
-_ 1 6  _ _ _  9 _ 4
-
-SOLUTION:
-6 3 2  8 1 5  7 4 9
-1 4 5  9 7 2  6 3 8
-9 7 8  4 3 6  2 5 1
-
-4 6 7  1 2 8  5 9 3
-3 2 9  5 4 7  8 1 6
-8 5 1  3 6 9  4 2 7
-
-5 8 3  7 9 4  1 6 2
-2 9 4  6 8 1  3 7 5
-7 1 6  2 5 3  9 8 4
-
-RATING: 1
-DATA:
-{"puzzle":[2,null,null,null,null,null,4,null,7,null,null,null,4,null,null,3,null,null,null,6,3,null,8,null,null,null,null,1,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,4,5,null,null,null,6,null,null,null,null,7,6,null,null,2,null,null,0,8,null,null,4,6,null,5,7,null,null,null,5,null,null,null,8],"solution":[2,1,0,6,3,5,4,8,7,8,5,7,4,0,2,3,1,6,4,6,3,1,8,7,2,5,0,1,8,2,0,7,6,5,3,4,6,3,5,8,4,1,7,0,2,0,7,4,5,2,3,8,6,1,5,4,1,7,6,8,0,2,3,3,0,8,2,1,4,6,7,5,7,2,6,3,5,0,1,4,8]}
-PUZZLE:
-3 _ _  _ _ _  5 _ 8
-_ _ _  5 _ _  4 _ _
-_ 7 4  _ 9 _  _ _ _
-
-2 9 _  _ _ _  _ _ _
-_ _ _  _ _ _  _ _ 3
-_ _ 5  6 _ _  _ 7 _
-
-_ _ _  8 7 _  _ 3 _
-_ 1 9  _ _ 5  7 _ 6
-8 _ _  _ 6 _  _ _ 9
-
-SOLUTION:
-3 2 1  7 4 6  5 9 8
-9 6 8  5 1 3  4 2 7
-5 7 4  2 9 8  3 6 1
-
-2 9 3  1 8 7  6 4 5
-7 4 6  9 5 2  8 1 3
-1 8 5  6 3 4  9 7 2
-
-6 5 2  8 7 9  1 3 4
-4 1 9  3 2 5  7 8 6
-8 3 7  4 6 1  2 5 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,2,null,4,null,7,6,null,null,null,null,null,null,null,null,4,3,null,null,8,null,null,7,null,null,0,8,null,7,null,2,6,4,null,null,null,null,null,null,null,null,null,5,6,null,4,null,1,null,null,8,null,null,null,null,0,null,null,4,6,null,null,null,null,4,null,null,null,null,3,null,1,null,null,null,null,null,null,null,null],"solution":[3,0,2,5,4,1,7,6,8,7,1,5,6,8,0,2,4,3,4,6,8,2,3,7,5,1,0,8,5,7,3,2,6,4,0,1,0,2,1,4,7,8,3,5,6,6,4,3,1,0,5,8,7,2,2,3,0,7,1,4,6,8,5,5,8,4,0,6,2,1,3,7,1,7,6,8,5,3,0,2,4]}
-PUZZLE:
-_ 1 3  _ 5 _  8 7 _
-_ _ _  _ _ _  _ 5 4
-_ _ 9  _ _ 8  _ _ 1
-
-9 _ 8  _ 3 7  5 _ _
-_ _ _  _ _ _  _ 6 7
-_ 5 _  2 _ _  9 _ _
-
-_ _ 1  _ _ 5  7 _ _
-_ _ 5  _ _ _  _ 4 _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 1 3  6 5 2  8 7 9
-8 2 6  7 9 1  3 5 4
-5 7 9  3 4 8  6 2 1
-
-9 6 8  4 3 7  5 1 2
-1 3 2  5 8 9  4 6 7
-7 5 4  2 1 6  9 8 3
-
-3 4 1  8 2 5  7 9 6
-6 9 5  1 7 3  2 4 8
-2 8 7  9 6 4  1 3 5
-
-RATING: 4
-DATA:
-{"puzzle":[null,8,null,7,null,3,null,null,null,3,4,5,null,0,null,null,null,null,null,6,null,null,null,2,null,null,null,null,null,null,null,7,null,0,null,null,null,2,null,null,3,0,4,null,6,0,null,null,8,null,null,null,null,7,null,7,null,null,null,null,6,null,null,null,null,null,null,2,null,null,null,1,null,null,null,4,null,5,8,null,3],"solution":[2,8,0,7,4,3,1,6,5,3,4,5,6,0,1,7,8,2,7,6,1,5,8,2,3,0,4,4,5,3,2,7,6,0,1,8,8,2,7,1,3,0,4,5,6,0,1,6,8,5,4,2,3,7,5,7,4,3,1,8,6,2,0,6,3,8,0,2,7,5,4,1,1,0,2,4,6,5,8,7,3]}
-PUZZLE:
-_ 9 _  8 _ 4  _ _ _
-4 5 6  _ 1 _  _ _ _
-_ 7 _  _ _ 3  _ _ _
-
-_ _ _  _ 8 _  1 _ _
-_ 3 _  _ 4 1  5 _ 7
-1 _ _  9 _ _  _ _ 8
-
-_ 8 _  _ _ _  7 _ _
-_ _ _  _ 3 _  _ _ 2
-_ _ _  5 _ 6  9 _ 4
-
-SOLUTION:
-3 9 1  8 5 4  2 7 6
-4 5 6  7 1 2  8 9 3
-8 7 2  6 9 3  4 1 5
-
-5 6 4  3 8 7  1 2 9
-9 3 8  2 4 1  5 6 7
-1 2 7  9 6 5  3 4 8
-
-6 8 5  4 2 9  7 3 1
-7 4 9  1 3 8  6 5 2
-2 1 3  5 7 6  9 8 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[2,null,null,null,null,6,null,0,null,null,7,5,8,null,null,null,null,null,1,null,null,null,7,null,null,5,4,null,null,4,1,null,null,null,null,null,null,null,null,0,null,7,3,null,5,null,5,null,null,null,null,null,null,2,null,null,null,null,2,null,null,null,null,null,null,null,3,null,1,null,null,null,4,null,7,null,null,null,1,3,null],"solution":[2,4,8,5,1,6,7,0,3,0,7,5,8,4,3,2,6,1,1,6,3,2,7,0,8,5,4,6,3,4,1,5,2,0,7,8,8,1,2,0,6,7,3,4,5,7,5,0,4,3,8,6,1,2,3,0,1,7,2,4,5,8,6,5,8,6,3,0,1,4,2,7,4,2,7,6,8,5,1,3,0]}
-PUZZLE:
-3 _ _  _ _ 7  _ 1 _
-_ 8 6  9 _ _  _ _ _
-2 _ _  _ 8 _  _ 6 5
-
-_ _ 5  2 _ _  _ _ _
-_ _ _  1 _ 8  4 _ 6
 _ 6 _  _ _ _  _ _ 3
+_ _ _  _ _ 1  7 _ 5
+4 3 _  _ _ 9  2 _ _
 
-_ _ _  _ 3 _  _ _ _
-_ _ _  4 _ 2  _ _ _
-5 _ 8  _ _ _  2 4 _
-
-SOLUTION:
-3 5 9  6 2 7  8 1 4
-1 8 6  9 5 4  3 7 2
-2 7 4  3 8 1  9 6 5
-
-7 4 5  2 6 3  1 8 9
-9 2 3  1 7 8  4 5 6
-8 6 1  5 4 9  7 2 3
-
-4 1 2  8 3 5  6 9 7
-6 9 7  4 1 2  5 3 8
-5 3 8  7 9 6  2 4 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,8,null,3,null,null,null,null,null,null,null,null,4,null,null,null,null,4,1,null,5,null,7,null,null,5,null,null,0,7,8,2,null,1,null,null,null,null,4,null,null,7,8,null,0,null,null,null,null,null,6,null,1,null,2,null,0,null,8,null,7,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null],"solution":[5,6,7,4,8,2,3,1,0,2,3,1,0,7,6,4,5,8,0,8,4,1,3,5,6,7,2,4,5,3,6,0,7,8,2,1,1,2,6,8,5,4,0,3,7,8,7,0,3,2,1,5,4,6,3,1,5,2,6,0,7,8,4,7,0,2,5,4,8,1,6,3,6,4,8,7,1,3,2,0,5]}
-PUZZLE:
-_ _ _  _ 9 _  4 _ _
-_ _ _  _ _ _  5 _ _
-_ _ 5  2 _ 6  _ 8 _
-
-_ 6 _  _ 1 8  9 3 _
-2 _ _  _ _ 5  _ _ 8
-9 _ 1  _ _ _  _ _ 7
-
-_ 2 _  3 _ 1  _ 9 _
-8 _ _  _ _ _  _ _ _
-7 _ _  _ _ _  _ _ _
-
-SOLUTION:
-6 7 8  5 9 3  4 2 1
-3 4 2  1 8 7  5 6 9
-1 9 5  2 4 6  7 8 3
-
-5 6 4  7 1 8  9 3 2
-2 3 7  9 6 5  1 4 8
-9 8 1  4 3 2  6 5 7
-
-4 2 6  3 7 1  8 9 5
-8 1 3  6 5 9  2 7 4
-7 5 9  8 2 4  3 1 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,8,null,null,6,null,4,3,null,null,null,0,null,4,null,2,null,null,null,null,null,null,2,null,null,null,null,null,2,null,null,null,null,5,null,7,null,null,null,8,5,3,null,null,1,null,null,null,null,null,null,null,4,null,0,5,null,6,null,null,null,null,3,null,null,null,4,null,null,null,null,null,null,null,null,null,8,7,0,null,null],"solution":[7,8,2,0,6,1,4,3,5,3,6,0,7,4,5,2,1,8,1,4,5,3,2,8,7,0,6,6,2,3,1,0,4,5,8,7,4,0,7,8,5,3,6,2,1,5,1,8,2,7,6,3,4,0,0,5,4,6,1,2,8,7,3,8,7,6,4,3,0,1,5,2,2,3,1,5,8,7,0,6,4]}
-PUZZLE:
-_ 9 _  _ 7 _  5 4 _
-_ _ 1  _ 5 _  3 _ _
-_ _ _  _ 3 _  _ _ _
-
-_ 3 _  _ _ _  6 _ 8
-_ _ _  9 6 4  _ _ 2
-_ _ _  _ _ _  _ 5 _
-
-1 6 _  7 _ _  _ _ 4
-_ _ _  5 _ _  _ _ _
-_ _ _  _ 9 8  1 _ _
-
-SOLUTION:
-8 9 3  1 7 2  5 4 6
-4 7 1  8 5 6  3 2 9
-2 5 6  4 3 9  8 1 7
-
-7 3 4  2 1 5  6 9 8
-5 1 8  9 6 4  7 3 2
-6 2 9  3 8 7  4 5 1
-
-1 6 5  7 2 3  9 8 4
-9 8 7  5 4 1  2 6 3
-3 4 2  6 9 8  1 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,null,7,null,null,4,null,null,null,null,null,null,8,2,null,6,null,null,null,null,0,4,null,null,null,8,2,null,null,4,null,null,null,null,6,null,null,null,null,null,0,null,3,null,4,1,null,null,null,null,7,null,null,1,8,null,null,2,null,null,null,null,null,null,null,1,null,null,null,null,4,null,0,3,null,6,null],"solution":[3,2,1,0,4,8,7,5,6,4,5,0,6,7,1,3,8,2,8,6,7,3,5,2,0,4,1,1,7,8,2,6,0,4,3,5,5,4,6,8,3,7,2,1,0,0,3,2,4,1,5,6,7,8,7,0,3,1,8,6,5,2,4,6,8,5,7,2,4,1,0,3,2,1,4,5,0,3,8,6,7]}
-PUZZLE:
-4 _ _  _ _ _  8 _ _
-5 _ _  _ _ _  _ 9 3
-_ 7 _  _ _ _  1 5 _
-
-_ _ 9  3 _ _  5 _ _
-_ _ 7  _ _ _  _ _ 1
-_ 4 _  5 2 _  _ _ _
-
-8 _ _  2 9 _  _ 3 _
-_ _ _  _ _ _  2 _ _
-_ _ 5  _ 1 4  _ 7 _
-
-SOLUTION:
-4 3 2  1 5 9  8 6 7
-5 6 1  7 8 2  4 9 3
-9 7 8  4 6 3  1 5 2
-
-2 8 9  3 7 1  5 4 6
-6 5 7  9 4 8  3 2 1
-1 4 3  5 2 6  7 8 9
-
-8 1 4  2 9 7  6 3 5
-7 9 6  8 3 5  2 1 4
-3 2 5  6 1 4  9 7 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[8,null,null,null,3,6,null,0,null,null,7,null,null,null,null,null,null,6,null,null,2,null,null,null,4,null,null,null,3,4,null,null,2,5,null,null,6,null,null,null,7,null,2,null,null,null,8,null,0,null,4,null,null,null,4,null,null,2,8,null,null,null,null,null,null,null,null,0,3,null,null,null,null,null,null,null,null,null,null,3,null],"solution":[8,4,5,7,3,6,1,0,2,1,7,0,4,2,5,3,8,6,3,6,2,8,1,0,4,5,7,0,3,4,1,6,2,5,7,8,6,5,1,3,7,8,2,4,0,2,8,7,0,5,4,6,1,3,4,0,3,2,8,1,7,6,5,7,1,6,5,0,3,8,2,4,5,2,8,6,4,7,0,3,1]}
-PUZZLE:
-9 _ _  _ 4 7  _ 1 _
-_ 8 _  _ _ _  _ _ 7
-_ _ 3  _ _ _  5 _ _
-
-_ 4 5  _ _ 3  6 _ _
-7 _ _  _ 8 _  3 _ _
-_ 9 _  1 _ 5  _ _ _
-
-5 _ _  3 9 _  _ _ _
-_ _ _  _ 1 4  _ _ _
-_ _ _  _ _ _  _ 4 _
-
-SOLUTION:
-9 5 6  8 4 7  2 1 3
-2 8 1  5 3 6  4 9 7
-4 7 3  9 2 1  5 6 8
-
-1 4 5  2 7 3  6 8 9
-7 6 2  4 8 9  3 5 1
-3 9 8  1 6 5  7 2 4
-
-5 1 4  3 9 2  8 7 6
-8 2 7  6 1 4  9 3 5
-6 3 9  7 5 8  1 4 2
-
-RATING: 2.75
-DATA:
-{"puzzle":[2,null,null,null,1,null,null,null,null,null,4,null,2,null,0,5,null,null,null,null,7,null,null,null,null,0,null,5,null,null,7,6,null,null,null,null,null,null,0,null,null,5,null,null,null,null,null,4,null,3,null,null,null,1,null,null,null,6,7,null,0,null,null,3,null,null,null,null,null,8,1,null,null,null,null,null,null,null,null,null,5],"solution":[2,0,5,3,1,7,6,8,4,1,4,6,2,8,0,5,3,7,8,3,7,4,5,6,1,0,2,5,1,3,7,6,8,2,4,0,7,2,0,1,4,5,3,6,8,6,8,4,0,3,2,7,5,1,4,5,8,6,7,1,0,2,3,3,7,2,5,0,4,8,1,6,0,6,1,8,2,3,4,7,5]}
-PUZZLE:
-3 _ _  _ 2 _  _ _ _
-_ 5 _  3 _ 1  6 _ _
-_ _ 8  _ _ _  _ 1 _
-
-6 _ _  8 7 _  _ _ _
-_ _ 1  _ _ 6  _ _ _
-_ _ 5  _ 4 _  _ _ 2
-
-_ _ _  7 8 _  1 _ _
-4 _ _  _ _ _  9 2 _
-_ _ _  _ _ _  _ _ 6
-
-SOLUTION:
-3 1 6  4 2 8  7 9 5
-2 5 7  3 9 1  6 4 8
-9 4 8  5 6 7  2 1 3
-
-6 2 4  8 7 9  3 5 1
-8 3 1  2 5 6  4 7 9
-7 9 5  1 4 3  8 6 2
-
-5 6 9  7 8 2  1 3 4
-4 8 3  6 1 5  9 2 7
-1 7 2  9 3 4  5 8 6
-
-RATING: 1
-DATA:
-{"puzzle":[8,1,null,null,6,5,null,null,null,null,null,null,null,null,null,null,null,4,2,null,null,8,null,null,3,null,5,null,null,null,null,1,0,null,4,null,null,null,null,null,null,7,null,null,8,7,null,null,5,3,null,null,0,2,null,2,null,null,null,null,5,null,null,null,7,null,null,0,null,null,null,null,null,null,3,null,null,6,null,null,null],"solution":[8,1,4,3,6,5,0,2,7,3,5,7,0,2,1,8,6,4,2,6,0,8,7,4,3,1,5,6,8,5,2,1,0,7,4,3,0,3,2,6,4,7,1,5,8,7,4,1,5,3,8,6,0,2,1,2,6,4,8,3,5,7,0,5,7,8,1,0,2,4,3,6,4,0,3,7,5,6,2,8,1]}
-PUZZLE:
-9 2 _  _ 7 6  _ _ _
-_ _ _  _ _ _  _ _ 5
-3 _ _  9 _ _  4 _ 6
-
-_ _ _  _ 2 1  _ 5 _
-_ _ _  _ _ 8  _ _ 9
-8 _ _  6 4 _  _ 1 3
-
-_ 3 _  _ _ _  6 _ _
-_ 8 _  _ 1 _  _ _ _
-_ _ 4  _ _ 7  _ _ _
-
-SOLUTION:
-9 2 5  4 7 6  1 3 8
-4 6 8  1 3 2  9 7 5
-3 7 1  9 8 5  4 2 6
-
-7 9 6  3 2 1  8 5 4
-1 4 3  7 5 8  2 6 9
-8 5 2  6 4 9  7 1 3
-
-2 3 7  5 9 4  6 8 1
-6 8 9  2 1 3  5 4 7
-5 1 4  8 6 7  3 9 2
-
-RATING: 2
-DATA:
-{"puzzle":[null,7,0,3,null,4,null,1,5,8,1,null,0,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,2,null,5,null,7,null,null,3,null,null,null,1,null,6,null,4,null,null,null,null,null,null,8,null,0,null,null,null,null,null,null,null,null,5,null,null,null,2,null,null,null,null,null,null,null,null,3,null,8,null,4],"solution":[6,7,0,3,8,4,2,1,5,8,1,5,0,7,2,3,4,6,3,4,2,1,5,6,7,0,8,1,0,8,2,6,5,4,7,3,2,3,7,8,4,1,5,6,0,4,5,6,7,0,3,1,8,2,0,2,3,4,1,8,6,5,7,5,8,4,6,2,7,0,3,1,7,6,1,5,3,0,8,2,4]}
-PUZZLE:
-_ 8 1  4 _ 5  _ 2 6
-9 2 _  1 _ _  _ _ _
-_ _ _  _ 6 _  _ _ _
-
-_ _ _  3 _ 6  _ 8 _
-_ 4 _  _ _ 2  _ 7 _
-5 _ _  _ _ _  _ 9 _
-
-1 _ _  _ _ _  _ _ _
-6 _ _  _ 3 _  _ _ _
-_ _ _  _ 4 _  9 _ 5
-
-SOLUTION:
-7 8 1  4 9 5  3 2 6
-9 2 6  1 8 3  4 5 7
-4 5 3  2 6 7  8 1 9
-
-2 1 9  3 7 6  5 8 4
-3 4 8  9 5 2  6 7 1
-5 6 7  8 1 4  2 9 3
-
-1 3 4  5 2 9  7 6 8
-6 9 5  7 3 8  1 4 2
-8 7 2  6 4 1  9 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,5,6,null,null,1,null,null,null,null,1,3,null,null,null,6,null,null,null,null,null,null,1,null,8,0,null,null,6,null,3,null,0,null,null,7,null,null,null,8,null,null,4,2,null,null,null,null,null,4,null,null,null,null,null,null,null,4,null,5,1,null,null,null,null,8,7,null,null,null,null,null,null,null,1,null,0,8,null,null],"solution":[0,8,5,6,2,7,1,3,4,4,2,1,3,0,8,7,6,5,3,6,7,4,5,1,2,8,0,8,4,6,7,3,2,0,5,1,7,1,0,5,8,6,3,4,2,2,5,3,0,1,4,6,7,8,6,0,8,2,4,3,5,1,7,1,3,2,8,7,5,4,0,6,5,7,4,1,6,0,8,2,3]}
-PUZZLE:
-1 _ 6  7 _ _  2 _ _
-_ _ 2  4 _ _  _ 7 _
-_ _ _  _ _ 2  _ 9 1
-
-_ _ 7  _ 4 _  1 _ _
-8 _ _  _ 9 _  _ 5 3
-_ _ _  _ _ 5  _ _ _
-
-_ _ _  _ 5 _  6 2 _
-_ _ _  9 8 _  _ _ _
-_ _ _  2 _ 1  9 _ _
-
-SOLUTION:
-1 9 6  7 3 8  2 4 5
-5 3 2  4 1 9  8 7 6
-4 7 8  5 6 2  3 9 1
-
-9 5 7  8 4 3  1 6 2
-8 2 1  6 9 7  4 5 3
-3 6 4  1 2 5  7 8 9
-
-7 1 9  3 5 4  6 2 8
-2 4 3  9 8 6  5 1 7
-6 8 5  2 7 1  9 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,null,null,null,null,4,7,null,1,null,null,null,null,null,null,null,null,0,null,null,null,4,2,3,null,null,null,null,null,6,null,5,null,0,null,7,null,null,null,null,null,null,null,null,null,6,null,null,3,null,null,null,null,3,2,null,null,8,null,1,null,null,null,4,null,null,null,null,2,null,null,null,null,0,null,null,null,null,6],"solution":[8,2,3,5,1,0,6,4,7,4,1,7,3,2,6,8,0,5,6,0,5,8,7,4,2,3,1,3,4,8,2,6,1,5,7,0,2,7,0,4,8,5,1,6,3,1,5,6,7,0,3,4,8,2,0,3,2,6,5,8,7,1,4,5,6,4,1,3,7,0,2,8,7,8,1,0,4,2,3,5,6]}
-PUZZLE:
-9 _ _  _ _ _  _ 5 8
-_ 2 _  _ _ _  _ _ _
-_ 1 _  _ _ 5  3 4 _
-
-_ _ _  _ 7 _  6 _ 1
-_ 8 _  _ _ _  _ _ _
-_ _ 7  _ _ 4  _ _ _
-
-_ 4 3  _ _ 9  _ 2 _
-_ _ 5  _ _ _  _ 3 _
-_ _ _  1 _ _  _ _ 7
-
-SOLUTION:
-9 3 4  6 2 1  7 5 8
-5 2 8  4 3 7  9 1 6
-7 1 6  9 8 5  3 4 2
-
-4 5 9  3 7 2  6 8 1
-3 8 1  5 9 6  2 7 4
-2 6 7  8 1 4  5 9 3
-
-1 4 3  7 6 9  8 2 5
-6 7 5  2 4 8  1 3 9
-8 9 2  1 5 3  4 6 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,8,null,4,null,null,null,null,null,null,null,null,null,2,null,4,null,null,5,null,null,null,1,null,7,3,null,7,null,4,null,null,null,0,null,null,null,null,5,null,3,null,1,null,null,null,6,1,null,null,null,null,null,5,null,null,null,8,null,null,null,null,null,null,4,null,null,null,null,5,null,null,null,null,7,null,null,null,null,6],"solution":[3,2,8,0,4,7,1,6,5,7,6,1,3,5,2,8,4,0,4,5,0,8,6,1,2,7,3,1,7,5,4,2,6,3,0,8,8,4,2,5,0,3,6,1,7,0,3,6,1,7,8,5,2,4,5,1,7,6,8,4,0,3,2,6,8,4,2,3,0,7,5,1,2,0,3,7,1,5,4,8,6]}
-PUZZLE:
-_ 3 9  _ 5 _  _ _ _
-_ _ _  _ _ 3  _ 5 _
-_ 6 _  _ _ 2  _ 8 4
-
-_ 8 _  5 _ _  _ 1 _
-_ _ _  6 _ 4  _ 2 _
-_ _ 7  2 _ _  _ _ _
-
-6 _ _  _ 9 _  _ _ _
-_ _ 5  _ _ _  _ 6 _
-_ _ _  8 _ _  _ _ 7
-
-SOLUTION:
-4 3 9  1 5 8  2 7 6
-8 7 2  4 6 3  9 5 1
-5 6 1  9 7 2  3 8 4
-
-2 8 6  5 3 7  4 1 9
-9 5 3  6 1 4  7 2 8
-1 4 7  2 8 9  6 3 5
-
-6 2 8  7 9 5  1 4 3
-7 9 5  3 4 1  8 6 2
-3 1 4  8 2 6  5 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[4,5,null,null,null,2,null,8,0,null,null,null,null,null,1,3,5,4,null,null,null,0,null,null,null,null,null,null,2,null,null,6,null,null,3,null,null,4,null,null,null,null,8,null,null,null,null,null,7,null,4,null,null,2,null,null,0,null,null,null,2,null,3,null,null,null,null,null,null,null,null,null,8,null,7,null,null,null,null,null,6],"solution":[4,5,1,6,3,2,7,8,0,6,0,2,8,7,1,3,5,4,3,7,8,0,4,5,6,2,1,0,2,5,1,6,8,4,3,7,7,4,6,2,0,3,8,1,5,1,8,3,7,5,4,0,6,2,5,1,0,4,8,6,2,7,3,2,6,4,3,1,7,5,0,8,8,3,7,5,2,0,1,4,6]}
-PUZZLE:
-5 6 _  _ _ 3  _ 9 1
-_ _ _  _ _ 2  4 6 5
-_ _ _  1 _ _  _ _ _
-
-_ 3 _  _ 7 _  _ 4 _
-_ 5 _  _ _ _  9 _ _
-_ _ _  8 _ 5  _ _ 3
-
-_ _ 1  _ _ _  3 _ 4
-_ _ _  _ _ _  _ _ _
-9 _ 8  _ _ _  _ _ 7
-
-SOLUTION:
-5 6 2  7 4 3  8 9 1
-7 1 3  9 8 2  4 6 5
-4 8 9  1 5 6  7 3 2
-
-1 3 6  2 7 9  5 4 8
-8 5 7  3 1 4  9 2 6
-2 9 4  8 6 5  1 7 3
-
-6 2 1  5 9 7  3 8 4
-3 7 5  4 2 8  6 1 9
-9 4 8  6 3 1  2 5 7
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,8,2,null,null,null,3,null,2,1,null,null,null,null,null,null,5,null,null,null,null,7,null,null,null,0,0,null,null,null,null,7,2,null,null,null,null,null,null,1,5,null,null,null,5,null,null,null,null,null,6,null,3,null,null,2,1,null,null,null,null,null,null,6,null,null,2,null,null,null,null,null,null,5,8,null,6,4,null,null],"solution":[7,5,8,2,4,0,1,3,6,2,1,0,6,3,8,7,4,5,4,3,6,5,7,1,8,2,0,0,8,3,4,6,7,2,5,1,6,2,7,3,1,5,0,8,4,5,4,1,0,8,2,6,7,3,8,0,2,1,5,4,3,6,7,1,6,4,7,2,3,5,0,8,3,7,5,8,0,6,4,1,2]}
-PUZZLE:
-_ _ 9  3 _ _  _ 4 _
-3 2 _  _ _ _  _ _ 6
-_ _ _  _ 8 _  _ _ 1
-
-1 _ _  _ _ 8  3 _ _
-_ _ _  _ 2 6  _ _ _
-6 _ _  _ _ _  7 _ 4
-
-_ _ 3  2 _ _  _ _ _
-_ 7 _  _ 3 _  _ _ _
-_ _ 6  9 _ 7  5 _ _
-
-SOLUTION:
-8 6 9  3 5 1  2 4 7
-3 2 1  7 4 9  8 5 6
-5 4 7  6 8 2  9 3 1
-
-1 9 4  5 7 8  3 6 2
-7 3 8  4 2 6  1 9 5
-6 5 2  1 9 3  7 8 4
-
-9 1 3  2 6 5  4 7 8
-2 7 5  8 3 4  6 1 9
-4 8 6  9 1 7  5 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,3,6,4,null,2,3,null,null,7,null,5,null,null,null,null,null,2,null,null,null,null,null,null,null,3,6,null,null,null,null,null,null,null,6,8,null,7,null,null,0,null,null,null,null,5,null,1,7,null,null,4,null,null,null,5,3,null,null,7,null,null,null,null,null,null,2,null,null,8,null,null,null,null,null,null,null],"solution":[8,0,7,5,1,3,6,4,2,2,3,4,0,7,6,5,8,1,6,5,1,2,8,4,7,0,3,0,7,3,6,2,1,8,5,4,5,1,6,8,4,7,2,3,0,4,2,8,3,5,0,1,7,6,1,4,2,7,0,5,3,6,8,7,6,0,1,3,8,4,2,5,3,8,5,4,6,2,0,1,7]}
-PUZZLE:
-_ _ _  _ _ 4  7 5 _
-3 4 _  _ 8 _  6 _ _
-_ _ _  3 _ _  _ _ _
-
-_ _ 4  7 _ _  _ _ _
-_ _ 7  9 _ 8  _ _ 1
-_ _ _  _ 6 _  2 8 _
-
-_ 5 _  _ _ 6  4 _ _
-8 _ _  _ _ _  _ 3 _
-_ 9 _  _ _ _  _ _ _
-
-SOLUTION:
-9 1 8  6 2 4  7 5 3
-3 4 5  1 8 7  6 9 2
-7 6 2  3 9 5  8 1 4
-
-1 8 4  7 3 2  9 6 5
-6 2 7  9 5 8  3 4 1
-5 3 9  4 6 1  2 8 7
-
-2 5 3  8 1 6  4 7 9
-8 7 1  2 4 9  5 3 6
-4 9 6  5 7 3  1 2 8
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,0,7,null,6,null,null,null,null,null,8,null,null,1,5,null,null,null,null,5,null,null,null,7,6,3,null,null,null,null,null,null,2,8,6,4,0,null,8,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,6,null,null,null,0,null,null,1,null,null,0,3,7,null],"solution":[2,3,0,7,5,6,8,4,1,7,6,8,3,4,1,5,0,2,1,4,5,2,0,8,7,6,3,5,1,7,0,3,4,2,8,6,4,0,6,8,2,5,1,3,7,3,8,2,6,1,7,0,5,4,0,5,4,1,7,3,6,2,8,8,7,3,5,6,2,4,1,0,6,2,1,4,8,0,3,7,5]}
-PUZZLE:
-_ _ 1  8 _ 7  _ _ _
-_ _ 9  _ _ 2  6 _ _
-_ _ 6  _ _ _  8 7 4
-
-_ _ _  _ _ _  3 9 7
-5 1 _  9 _ _  _ _ _
-4 _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ 8 _  _ 7 _  _ _ 1
-_ _ 2  _ _ 1  4 8 _
-
-SOLUTION:
-3 4 1  8 6 7  9 5 2
-8 7 9  4 5 2  6 1 3
-2 5 6  3 1 9  8 7 4
-
-6 2 8  1 4 5  3 9 7
-5 1 7  9 3 6  2 4 8
-4 9 3  7 2 8  1 6 5
-
-1 6 5  2 8 4  7 3 9
-9 8 4  6 7 3  5 2 1
-7 3 2  5 9 1  4 8 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,null,3,null,2,null,null,null,7,5,null,6,null,null,null,null,null,null,null,8,null,7,null,null,null,null,null,null,5,null,8,null,null,null,null,1,null,4,null,null,6,4,null,null,null,null,null,1,null,null,null,8,null,null,null,null,0,null,null,null,6,4,null,3,2,null,null,null,null,null,2,0,null,null],"solution":[7,4,8,5,2,1,6,0,3,3,0,2,8,4,6,7,5,1,6,1,5,0,7,3,4,2,8,4,7,1,2,0,8,3,6,5,2,8,0,6,3,5,1,7,4,5,3,6,4,1,7,2,8,0,1,2,3,7,8,0,5,4,6,0,5,7,1,6,4,8,3,2,8,6,4,3,5,2,0,1,7]}
-PUZZLE:
-_ _ _  _ 3 _  _ _ _
-4 _ 3  _ _ _  8 6 _
-7 _ _  _ _ _  _ _ 9
-
-_ 8 _  _ _ _  _ _ 6
-_ 9 _  _ _ _  2 _ 5
-_ _ 7  5 _ _  _ _ _
-
-2 _ _  _ 9 _  _ _ _
-1 _ _  _ 7 5  _ 4 3
-_ _ _  _ _ 3  1 _ _
-
-SOLUTION:
-8 5 9  6 3 2  7 1 4
-4 1 3  9 5 7  8 6 2
-7 2 6  1 8 4  5 3 9
-
-5 8 2  3 1 9  4 7 6
-3 9 1  7 4 6  2 8 5
-6 4 7  5 2 8  3 9 1
-
-2 3 4  8 9 1  6 5 7
-1 6 8  2 7 5  9 4 3
-9 7 5  4 6 3  1 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,3,null,4,null,7,1,null,5,null,null,6,null,null,0,null,null,null,null,null,2,null,4,3,null,0,null,2,6,null,null,null,null,null,7,null,null,null,null,null,null,null,5,8,null,null,null,null,2,null,6,null,null,null,null,4,null,null,null,null,null,null,null,6,null,5,null,8,null,null,2,null,null,null,null,null],"solution":[5,8,6,1,2,0,3,7,4,2,7,1,4,5,3,8,6,0,3,0,4,6,7,8,5,2,1,4,3,7,0,1,2,6,8,5,0,2,8,7,6,5,1,4,3,6,1,5,8,3,4,7,0,2,7,6,2,5,0,1,4,3,8,1,4,0,3,8,6,2,5,7,8,5,3,2,4,7,0,1,6]}
-PUZZLE:
-_ _ _  _ _ _  4 _ 5
-_ 8 2  _ 6 _  _ 7 _
-_ 1 _  _ _ _  _ 3 _
-
-5 4 _  1 _ 3  7 _ _
-_ _ _  8 _ _  _ _ _
-_ _ 6  9 _ _  _ _ 3
-
-_ 7 _  _ _ _  5 _ _
-_ _ _  _ _ 7  _ 6 _
-9 _ _  3 _ _  _ _ _
-
-SOLUTION:
-6 9 7  2 3 1  4 8 5
-3 8 2  5 6 4  9 7 1
-4 1 5  7 8 9  6 3 2
-
-5 4 8  1 2 3  7 9 6
-1 3 9  8 7 6  2 5 4
-7 2 6  9 4 5  8 1 3
-
-8 7 3  6 1 2  5 4 9
-2 5 1  4 9 7  3 6 8
-9 6 4  3 5 8  1 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,0,null,null,null,6,null,null,null,null,null,7,6,null,null,4,8,null,null,3,null,null,null,null,null,null,null,null,6,null,null,null,3,null,null,null,1,null,2,5,null,null,8,5,null,null,null,null,0,null,null,null,null,null,5,null,null,null,7,null,null,null,null,null,null,null,3,null,null,null,null,8,null,null,null,1,3,0,null],"solution":[4,7,2,0,5,8,1,6,3,0,5,3,1,7,6,8,2,4,8,1,6,3,4,2,0,5,7,2,4,8,6,1,7,5,3,0,3,0,1,4,2,5,6,7,8,5,6,7,8,3,0,2,4,1,1,3,5,2,0,4,7,8,6,6,2,0,7,8,3,4,1,5,7,8,4,5,6,1,3,0,2]}
-PUZZLE:
-5 _ _  1 _ _  _ 7 _
-_ _ _  _ 8 7  _ _ 5
-9 _ _  4 _ _  _ _ _
-
-_ _ _  7 _ _  _ 4 _
-_ _ 2  _ 3 6  _ _ 9
-6 _ _  _ _ 1  _ _ _
-
-_ _ 6  _ _ _  8 _ _
-_ _ _  _ _ 4  _ _ _
-_ 9 _  _ _ 2  4 1 _
-
-SOLUTION:
-5 8 3  1 6 9  2 7 4
-1 6 4  2 8 7  9 3 5
-9 2 7  4 5 3  1 6 8
-
-3 5 9  7 2 8  6 4 1
-4 1 2  5 3 6  7 8 9
-6 7 8  9 4 1  3 5 2
-
-2 4 6  3 1 5  8 9 7
-7 3 1  8 9 4  5 2 6
-8 9 5  6 7 2  4 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,8,null,3,null,null,5,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,3,null,null,4,null,null,0,null,null,null,1,2,0,null,null,null,null,3,0,null,null,7,null,null,null,4,6,1,null,null,3,null,4,null,null,0,null,null,4,8,null,1,null,7,null,null,null,null,null,null,null,null,null,null],"solution":[2,0,8,1,3,6,4,5,7,7,4,3,5,8,0,6,2,1,5,6,1,2,4,7,3,0,8,3,7,6,4,2,8,0,1,5,4,1,2,0,6,5,7,8,3,0,8,5,7,1,3,2,4,6,1,2,7,3,5,4,8,6,0,6,3,4,8,0,1,5,7,2,8,5,0,6,7,2,1,3,4]}
-PUZZLE:
-_ 1 9  _ 4 _  _ 6 _
-8 _ _  _ _ _  _ _ _
-_ _ _  _ _ _  _ _ 9
-
-4 _ _  5 _ _  1 _ _
-_ 2 3  1 _ _  _ _ 4
-1 _ _  8 _ _  _ 5 7
-
-2 _ _  4 _ 5  _ _ 1
-_ _ 5  9 _ 2  _ 8 _
+9 _ _  2 _ _  _ _ _
+_ 5 _  4 7 3  _ 9 _
 _ _ _  _ _ _  _ _ _
 
 SOLUTION:
-3 1 9  2 4 7  5 6 8
-8 5 4  6 9 1  7 3 2
-6 7 2  3 5 8  4 1 9
-
-4 8 7  5 3 9  1 2 6
-5 2 3  1 7 6  8 9 4
-1 9 6  8 2 4  3 5 7
-
-2 3 8  4 6 5  9 7 1
-7 4 5  9 1 2  6 8 3
-9 6 1  7 8 3  2 4 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[6,null,0,null,3,null,1,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,8,6,null,null,4,null,null,null,null,6,null,null,4,null,7,5,null,null,null,0,null,null,null,null,0,null,5,null,null,null,null,3,null,null,null,null,4,null,7,5,null,null,2,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,0],"solution":[6,4,0,2,3,5,1,8,7,3,8,1,0,7,4,5,6,2,2,7,5,1,8,6,3,0,4,8,1,2,7,6,3,0,4,5,7,5,3,4,2,0,6,1,8,4,0,6,5,1,8,2,7,3,0,3,8,6,4,2,7,5,1,5,2,7,8,0,1,4,3,6,1,6,4,3,5,7,8,2,0]}
-PUZZLE:
-7 _ 1  _ 4 _  2 _ _
-_ _ 2  _ _ _  _ _ _
-_ _ _  _ 9 7  _ _ 5
-
-_ _ _  _ 7 _  _ 5 _
-8 6 _  _ _ 1  _ _ _
-_ 1 _  6 _ _  _ _ 4
-
-_ _ _  _ 5 _  8 6 _
-_ 3 _  _ _ _  _ _ _
-_ _ _  4 _ _  _ _ 1
-
-SOLUTION:
-7 5 1  3 4 6  2 9 8
-4 9 2  1 8 5  6 7 3
-3 8 6  2 9 7  4 1 5
-
-9 2 3  8 7 4  1 5 6
-8 6 4  5 3 1  7 2 9
-5 1 7  6 2 9  3 8 4
-
-1 4 9  7 5 3  8 6 2
-6 3 8  9 1 2  5 4 7
-2 7 5  4 6 8  9 3 1
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,6,5,null,null,null,null,null,1,null,null,null,3,null,null,0,null,null,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,2,1,null,null,8,4,null,null,null,null,null,0,null,5,3,7,null,null,7,null,null,null,null,0,null,null,5,0,4,null,6,null,null,null,null,null,null,2,null,null,null,null,6,null,null],"solution":[3,0,6,5,2,8,4,1,7,1,7,8,4,3,6,5,0,2,4,5,2,7,0,1,8,6,3,5,3,4,2,6,7,0,8,1,2,1,7,0,8,4,3,5,6,6,8,0,1,5,3,7,2,4,7,6,3,8,1,0,2,4,5,0,4,5,6,7,2,1,3,8,8,2,1,3,4,5,6,7,0]}
-PUZZLE:
-4 _ 7  6 _ _  _ _ _
-2 _ _  _ 4 _  _ 1 _
-_ _ _  _ _ _  9 _ _
-
-_ _ _  _ _ _  _ _ _
-3 2 _  _ 9 5  _ _ _
-_ _ 1  _ 6 4  8 _ _
-
-8 _ _  _ _ 1  _ _ 6
-1 5 _  7 _ _  _ _ _
-_ 3 _  _ _ _  7 _ _
-
-SOLUTION:
-4 1 7  6 3 9  5 2 8
-2 8 9  5 4 7  6 1 3
-5 6 3  8 1 2  9 7 4
-
-6 4 5  3 7 8  1 9 2
-3 2 8  1 9 5  4 6 7
-7 9 1  2 6 4  8 3 5
-
-8 7 4  9 2 1  3 5 6
-1 5 6  7 8 3  2 4 9
-9 3 2  4 5 6  7 8 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,2,3,null,null,5,null,null,null,1,null,null,null,null,6,0,null,8,null,null,null,0,null,null,5,null,null,3,7,2,null,4,null,null,null,6,null,null,4,null,1,null,null,null,7,null,null,null,null,null,null,2,null,null,null,4,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,6,null,7,null,3],"solution":[0,2,3,1,8,5,6,7,4,1,5,7,4,2,6,0,3,8,4,8,6,0,7,3,5,1,2,3,7,2,8,4,0,1,5,6,5,0,4,6,1,2,3,8,7,8,6,1,3,5,7,2,4,0,6,4,0,7,3,1,8,2,5,7,3,5,2,0,8,4,6,1,2,1,8,5,6,4,7,0,3]}
-PUZZLE:
-_ 3 4  _ _ 6  _ _ _
-2 _ _  _ _ 7  1 _ 9
-_ _ _  1 _ _  6 _ _
-
-4 8 3  _ 5 _  _ _ 7
-_ _ 5  _ 2 _  _ _ 8
-_ _ _  _ _ _  3 _ _
-
-_ 5 _  8 _ _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ 9  _ 7 _  8 _ 4
-
-SOLUTION:
-1 3 4  2 9 6  7 8 5
-2 6 8  5 3 7  1 4 9
-5 9 7  1 8 4  6 2 3
-
-4 8 3  9 5 1  2 6 7
-6 1 5  7 2 3  4 9 8
-9 7 2  4 6 8  3 5 1
-
-7 5 1  8 4 2  9 3 6
-8 4 6  3 1 9  5 7 2
-3 2 9  6 7 5  8 1 4
-
-RATING: 2
-DATA:
-{"puzzle":[8,4,null,null,null,null,null,null,null,null,null,null,0,5,null,null,null,null,null,null,6,2,null,null,3,null,null,null,null,null,null,0,7,null,null,null,null,null,null,null,null,null,6,1,null,null,1,null,8,null,4,null,7,0,null,5,null,4,null,6,1,null,null,null,null,null,null,null,null,null,null,null,1,null,null,5,null,null,2,null,null],"solution":[8,4,5,6,7,3,0,2,1,3,2,1,0,5,8,7,4,6,0,7,6,2,4,1,3,8,5,5,6,8,1,0,7,4,3,2,4,0,7,3,2,5,6,1,8,2,1,3,8,6,4,5,7,0,7,5,2,4,8,6,1,0,3,6,3,0,7,1,2,8,5,4,1,8,4,5,3,0,2,6,7]}
-PUZZLE:
-9 5 _  _ _ _  _ _ _
-_ _ _  1 6 _  _ _ _
-_ _ 7  3 _ _  4 _ _
-
-_ _ _  _ 1 8  _ _ _
-_ _ _  _ _ _  7 2 _
-_ 2 _  9 _ 5  _ 8 1
-
-_ 6 _  5 _ 7  2 _ _
-_ _ _  _ _ _  _ _ _
-2 _ _  6 _ _  3 _ _
-
-SOLUTION:
-9 5 6  7 8 4  1 3 2
-4 3 2  1 6 9  8 5 7
-1 8 7  3 5 2  4 9 6
-
-6 7 9  2 1 8  5 4 3
-5 1 8  4 3 6  7 2 9
-3 2 4  9 7 5  6 8 1
-
-8 6 3  5 9 7  2 1 4
-7 4 1  8 2 3  9 6 5
-2 9 5  6 4 1  3 7 8
-
-RATING: 1
-DATA:
-{"puzzle":[3,2,null,null,null,null,null,5,null,null,0,6,3,null,null,null,null,null,null,null,null,0,null,null,null,null,6,null,5,null,null,null,null,null,8,null,4,null,null,2,null,3,null,6,null,null,null,null,1,null,null,3,null,0,5,null,null,4,null,null,null,null,null,null,null,null,null,null,8,1,null,null,2,8,null,7,null,null,null,null,null],"solution":[3,2,4,8,6,1,0,5,7,8,0,6,3,5,7,4,1,2,1,7,5,0,4,2,8,3,6,0,5,3,6,7,4,2,8,1,4,1,8,2,0,3,7,6,5,7,6,2,1,8,5,3,4,0,5,3,7,4,1,0,6,2,8,6,4,0,5,2,8,1,7,3,2,8,1,7,3,6,5,0,4]}
-PUZZLE:
-4 3 _  _ _ _  _ 6 _
-_ 1 7  4 _ _  _ _ _
-_ _ _  1 _ _  _ _ 7
-
-_ 6 _  _ _ _  _ 9 _
-5 _ _  3 _ 4  _ 7 _
-_ _ _  2 _ _  4 _ 1
-
-6 _ _  5 _ _  _ _ _
-_ _ _  _ _ 9  2 _ _
-3 9 _  8 _ _  _ _ _
-
-SOLUTION:
-4 3 5  9 7 2  1 6 8
-9 1 7  4 6 8  5 2 3
-2 8 6  1 5 3  9 4 7
-
-1 6 4  7 8 5  3 9 2
-5 2 9  3 1 4  8 7 6
-8 7 3  2 9 6  4 5 1
-
-6 4 8  5 2 1  7 3 9
-7 5 1  6 3 9  2 8 4
-3 9 2  8 4 7  6 1 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,6,null,8,null,null,null,null,null,null,3,1,7,null,null,null,null,8,null,null,null,null,1,null,null,2,null,null,null,6,null,null,null,null,4,null,null,null,5,null,null,null,2,6,null,null,1,8,5,null,null,null,null,0,null,null,4,1,null,5,null,0,7,null,7,null,null,null,null,null,null,4,null,null,null,null,null,null,null,3,null],"solution":[0,6,2,8,5,4,7,1,3,4,3,1,7,6,2,0,5,8,5,8,7,0,1,3,4,2,6,3,0,6,2,7,1,8,4,5,7,4,5,3,0,8,2,6,1,2,1,8,5,4,6,3,7,0,8,2,4,1,3,5,6,0,7,1,7,3,6,2,0,5,8,4,6,5,0,4,8,7,1,3,2]}
-PUZZLE:
-_ 7 _  9 _ _  _ _ _
-_ 4 2  8 _ _  _ _ 9
-_ _ _  _ 2 _  _ 3 _
-
-_ _ 7  _ _ _  _ 5 _
-_ _ 6  _ _ _  3 7 _
-_ 2 9  6 _ _  _ _ 1
-
-_ _ 5  2 _ 6  _ 1 8
-_ 8 _  _ _ _  _ _ 5
-_ _ _  _ _ _  _ 4 _
-
-SOLUTION:
-1 7 3  9 6 5  8 2 4
-5 4 2  8 7 3  1 6 9
-6 9 8  1 2 4  5 3 7
-
-4 1 7  3 8 2  9 5 6
-8 5 6  4 1 9  3 7 2
-3 2 9  6 5 7  4 8 1
-
-9 3 5  2 4 6  7 1 8
-2 8 4  7 3 1  6 9 5
-7 6 1  5 9 8  2 4 3
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,8,null,null,null,1,null,8,null,null,7,0,null,null,null,2,null,7,null,null,1,1,null,0,5,null,null,null,3,8,null,null,3,0,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,4,null,null,null,null,1,null,2,null,5,8,3,null,null,null,null,null],"solution":[5,8,2,7,0,3,6,1,4,7,0,4,1,6,2,3,8,5,6,3,1,4,8,5,2,7,0,8,6,5,2,3,7,0,4,1,1,2,0,5,4,6,7,3,8,4,7,3,0,1,8,5,2,6,2,1,7,6,5,4,8,0,3,3,4,6,8,7,0,1,5,2,0,5,8,3,2,1,4,6,7]}
-PUZZLE:
-6 _ _  _ _ _  _ _ _
-_ _ _  _ _ 3  _ 9 _
-_ _ 2  _ 9 _  _ 8 1
-
-_ _ _  3 _ 8  _ _ 2
-2 _ 1  6 _ _  _ 4 9
-_ _ 4  1 _ _  _ _ _
-
-_ _ _  _ 6 _  _ _ _
-_ 5 _  _ _ _  2 _ 3
-_ 6 9  4 _ _  _ _ _
-
-SOLUTION:
-6 9 3  8 1 4  7 2 5
-8 1 5  2 7 3  4 9 6
-7 4 2  5 9 6  3 8 1
-
-9 7 6  3 4 8  1 5 2
-2 3 1  6 5 7  8 4 9
-5 8 4  1 2 9  6 3 7
-
-3 2 8  7 6 5  9 1 4
-4 5 7  9 8 1  2 6 3
-1 6 9  4 3 2  5 7 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,3,null,null,null,null,5,8,null,5,null,4,null,null,2,null,null,null,null,null,null,1,6,null,3,null,null,null,4,null,2,8,null,null,null,3,null,null,1,null,null,null,null,null,null,null,5,null,null,null,4,null,7,null,null,null,null,null,7,null,2,null,null,8,null,null,4,null,5,null,null,null,null,0,null,null,null,null,null,null],"solution":[4,6,3,0,7,2,1,5,8,1,5,7,4,8,3,2,0,6,2,0,8,5,1,6,7,3,4,0,1,4,7,2,8,3,6,5,3,7,6,1,5,4,0,8,2,8,2,5,6,3,0,4,1,7,5,4,1,8,0,7,6,2,3,6,8,2,3,4,1,5,7,0,7,3,0,2,6,5,8,4,1]}
-PUZZLE:
-_ _ 4  _ _ _  _ 6 9
-_ 6 _  5 _ _  3 _ _
-_ _ _  _ 2 7  _ 4 _
-
-_ _ 5  _ 3 9  _ _ _
-4 _ _  2 _ _  _ _ _
-_ _ 6  _ _ _  5 _ 8
-
-_ _ _  _ _ 8  _ 3 _
-_ 9 _  _ 5 _  6 _ _
-_ _ 1  _ _ _  _ _ _
-
-SOLUTION:
-5 7 4  1 8 3  2 6 9
-2 6 8  5 9 4  3 1 7
-3 1 9  6 2 7  8 4 5
-
-1 2 5  8 3 9  4 7 6
-4 8 7  2 6 5  1 9 3
-9 3 6  7 4 1  5 2 8
-
-6 5 2  9 1 8  7 3 4
-7 9 3  4 5 2  6 8 1
-8 4 1  3 7 6  9 5 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,4,5,null,1,null,null,null,null,7,null,3,8,null,null,null,null,5,null,null,6,3,null,null,null,8,null,1,null,null,0,2,null,null,null,null,null,null,null,null,null,null,null,1,3,null,null,null,null,null,8,null,null,7,3,null,8,null,null,null,2,4,null,null,null,null,null,null,null,null,null,null,6,2,null,5,7,null],"solution":[3,6,8,0,4,5,2,1,7,4,0,2,7,1,3,8,6,5,1,7,5,2,8,6,3,0,4,5,8,4,1,3,7,0,2,6,7,2,6,8,5,0,4,3,1,0,1,3,4,6,2,7,5,8,6,5,7,3,0,8,1,4,2,2,4,0,5,7,1,6,8,3,8,3,1,6,2,4,5,7,0]}
-PUZZLE:
-_ _ _  _ 5 6  _ 2 _
-_ _ _  8 _ 4  9 _ _
-_ _ 6  _ _ 7  4 _ _
-
-_ 9 _  2 _ _  1 3 _
-_ _ _  _ _ _  _ _ _
-_ 2 4  _ _ _  _ _ 9
-
-_ _ 8  4 _ 9  _ _ _
-3 5 _  _ _ _  _ _ _
-_ _ _  7 3 _  6 8 _
-
-SOLUTION:
-4 7 9  1 5 6  3 2 8
-5 1 3  8 2 4  9 7 6
-2 8 6  3 9 7  4 1 5
-
-6 9 5  2 4 8  1 3 7
-8 3 7  9 6 1  5 4 2
-1 2 4  5 7 3  8 6 9
-
-7 6 8  4 1 9  2 5 3
-3 5 1  6 8 2  7 9 4
-9 4 2  7 3 5  6 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,1,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,6,null,0,null,null,null,8,null,0,null,null,null,5,6,null,null,null,null,null,3,8,null,null,7,null,5,7,null,null,6,null,1,null,null,null,3,null,4,null,null,null,null,2,7,null,null,null,null,null,null,null,null,null,2,null,5,null,8,null,null,null],"solution":[8,5,7,6,1,4,2,3,0,2,4,0,8,5,3,7,6,1,3,1,6,2,0,7,5,4,8,1,0,8,7,4,5,6,2,3,4,6,2,3,8,1,0,7,5,5,7,3,0,6,2,1,8,4,0,3,5,4,7,6,8,1,2,7,8,4,1,2,0,3,5,6,6,2,1,5,3,8,4,0,7]}
-PUZZLE:
-_ _ _  7 2 _  _ _ _
-_ _ _  _ _ _  8 _ _
-_ _ 7  _ 1 _  _ _ 9
-
-_ 1 _  _ _ 6  7 _ _
-_ _ _  4 9 _  _ 8 _
-6 8 _  _ 7 _  2 _ _
-
-_ 4 _  5 _ _  _ _ 3
-8 _ _  _ _ _  _ _ _
-_ 3 _  6 _ 9  _ _ _
-
-SOLUTION:
-9 6 8  7 2 5  3 4 1
-3 5 1  9 6 4  8 7 2
-4 2 7  3 1 8  6 5 9
-
-2 1 9  8 5 6  7 3 4
-5 7 3  4 9 2  1 8 6
-6 8 4  1 7 3  2 9 5
-
-1 4 6  5 8 7  9 2 3
-8 9 5  2 3 1  4 6 7
-7 3 2  6 4 9  5 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,4,null,null,null,null,null,7,2,null,null,null,null,null,4,8,0,5,null,7,6,null,null,null,null,null,6,5,null,4,2,null,null,null,null,8,null,null,null,null,5,8,0,null,null,null,null,null,null,null,null,5,4,null,null,null,null,0,7,null,null,null,null,null,2,null,8,null,null,null,null,null,null,null,1,null,null],"solution":[3,6,2,0,8,4,7,5,1,5,1,7,2,3,6,8,4,0,4,8,0,5,1,7,6,3,2,7,3,1,6,5,0,4,2,8,2,4,6,8,7,3,0,1,5,8,0,5,4,2,1,3,7,6,1,5,4,3,6,8,2,0,7,6,7,3,1,0,2,5,8,4,0,2,8,7,4,5,1,6,3]}
-PUZZLE:
-4 _ _  _ _ 5  _ _ _
-_ _ 8  3 _ _  _ _ _
-5 9 1  6 _ 8  7 _ _
-
-_ _ _  7 6 _  5 3 _
-_ _ _  9 _ _  _ _ 6
-9 1 _  _ _ _  _ _ _
-
-_ 6 5  _ _ _  _ 1 8
-_ _ _  _ _ 3  _ 9 _
-_ _ _  _ _ _  2 _ _
-
-SOLUTION:
-4 7 3  1 9 5  8 6 2
-6 2 8  3 4 7  9 5 1
-5 9 1  6 2 8  7 4 3
-
-8 4 2  7 6 1  5 3 9
-3 5 7  9 8 4  1 2 6
-9 1 6  5 3 2  4 8 7
-
-2 6 5  4 7 9  3 1 8
-7 8 4  2 1 3  6 9 5
-1 3 9  8 5 6  2 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,2,8,null,null,4,null,null,null,4,3,6,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,5,1,null,null,6,null,null,null,null,null,7,null,5,null,null,null,null,null,6,0,8,null,null,0,null,null,null,2,null,null,null,1,null,null,null,null,null,5,null,null,null,null,5,4,1,7,null,null],"solution":[0,3,5,2,8,7,1,4,6,1,2,4,3,6,5,0,8,7,6,7,8,0,1,4,3,2,5,8,0,2,4,7,6,5,1,3,3,6,1,8,5,0,4,7,2,5,4,7,1,2,3,6,0,8,4,5,0,7,3,8,2,6,1,7,1,3,6,0,2,8,5,4,2,8,6,5,4,1,7,3,0]}
-PUZZLE:
-1 _ _  3 9 _  _ 5 _
-_ _ 5  4 7 _  _ 9 _
-_ _ _  _ _ _  _ _ _
-
-_ _ 3  _ _ _  6 2 _
-_ 7 _  _ _ _  _ 8 _
-6 _ _  _ _ _  7 1 9
-
-_ _ 1  _ _ _  3 _ _
-_ 2 _  _ _ _  _ 6 _
-_ _ _  6 5 2  8 _ _
-
-SOLUTION:
-1 4 6  3 9 8  2 5 7
-2 3 5  4 7 6  1 9 8
-7 8 9  1 2 5  4 3 6
-
-9 1 3  5 8 7  6 2 4
-4 7 2  9 6 1  5 8 3
-6 5 8  2 3 4  7 1 9
-
-5 6 1  8 4 9  3 7 2
-8 2 4  7 1 3  9 6 5
-3 9 7  6 5 2  8 4 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,5,null,3,null,8,null,null,null,null,null,null,8,0,null,null,null,7,null,6,null,null,null,5,2,null,8,null,2,null,null,7,null,3,5,null,null,null,4,null,null,null,null,null,6,0,null,null,null,null,null,null,null,null,6,null,3,null,2,null,null,null,null,null,null,null,null,4,null,0,null,null,null,null,8,6,null,null,null],"solution":[2,0,4,5,7,3,6,8,1,6,3,5,1,2,8,0,4,7,1,7,8,6,0,4,3,5,2,4,8,1,2,6,5,7,0,3,5,2,7,3,4,0,8,1,6,3,6,0,8,1,7,5,2,4,0,5,6,4,3,1,2,7,8,8,1,3,7,5,2,4,6,0,7,4,2,0,8,6,1,3,5]}
-PUZZLE:
-_ _ _  6 _ 4  _ 9 _
-_ _ _  _ _ 9  1 _ _
-_ 8 _  7 _ _  _ 6 3
-
-_ 9 _  3 _ _  8 _ 4
-6 _ _  _ 5 _  _ _ _
-_ 7 1  _ _ _  _ _ _
-
-_ _ 7  _ 4 _  3 _ _
-_ _ _  _ _ _  5 _ 1
-_ _ _  _ 9 7  _ _ _
-
-SOLUTION:
-3 1 5  6 8 4  7 9 2
-7 4 6  2 3 9  1 5 8
-2 8 9  7 1 5  4 6 3
-
-5 9 2  3 7 6  8 1 4
-6 3 8  4 5 1  9 2 7
-4 7 1  9 2 8  6 3 5
-
-1 6 7  5 4 2  3 8 9
-9 2 4  8 6 3  5 7 1
-8 5 3  1 9 7  2 4 6
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,null,null,null,0,null,7,6,8,null,null,1,null,6,7,null,null,null,8,3,null,1,null,null,3,null,5,null,6,0,null,null,null,null,4,null,7,null,null,null,7,3,null,8,null,null,null,null,5,null,null,null,2,null,null,null,null,null,3,null,null,null,null,null,1,null,0,null,null,null,null,null,5,null,4],"solution":[8,1,4,2,5,3,0,7,6,3,0,5,7,6,8,2,4,1,2,6,7,4,1,0,8,3,5,1,2,8,3,7,5,4,6,0,6,5,0,1,4,2,7,8,3,4,7,3,0,8,6,1,5,2,5,4,6,8,2,1,3,0,7,7,3,2,5,0,4,6,1,8,0,8,1,6,3,7,5,2,4]}
-PUZZLE:
-_ 2 _  _ _ _  _ _ _
-_ 1 _  8 7 9  _ _ 2
-_ 7 8  _ _ _  9 4 _
-
-2 _ _  4 _ 6  _ 7 1
-_ _ _  _ 5 _  8 _ _
-_ 8 4  _ 9 _  _ _ _
-
-6 _ _  _ 3 _  _ _ _
-_ 4 _  _ _ _  _ 2 _
-1 _ _  _ _ _  6 _ 5
-
-SOLUTION:
-9 2 5  3 6 4  1 8 7
-4 1 6  8 7 9  3 5 2
-3 7 8  5 2 1  9 4 6
-
-2 3 9  4 8 6  5 7 1
-7 6 1  2 5 3  8 9 4
-5 8 4  1 9 7  2 6 3
-
-6 5 7  9 3 2  4 1 8
-8 4 3  6 1 5  7 2 9
-1 9 2  7 4 8  6 3 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,2,null,null,null,null,null,null,null,3,5,null,null,null,null,null,7,null,null,7,null,1,4,null,null,null,6,null,null,null,null,8,null,4,null,null,5,null,null,7,null,3,null,null,null,null,null,null,null,null,null,null,1,8,null,null,4,null,null,null,null,null,null,2,null,null,0,3,7,null,null,null,null,null,null,5,null,null,3,6,null],"solution":[4,2,1,3,7,6,0,8,5,3,5,6,2,0,8,1,7,4,8,7,0,1,4,5,2,3,6,7,1,2,6,8,0,4,5,3,5,4,8,7,1,3,6,0,2,6,0,3,4,5,2,7,1,8,0,3,4,8,6,1,5,2,7,2,6,5,0,3,7,8,4,1,1,8,7,5,2,4,3,6,0]}
-PUZZLE:
-_ 3 _  _ _ _  _ _ _
-4 6 _  _ _ _  _ 8 _
-_ 8 _  2 5 _  _ _ 7
-
-_ _ _  _ 9 _  5 _ _
-6 _ _  8 _ 4  _ _ _
-_ _ _  _ _ _  _ 2 9
-
-_ _ 5  _ _ _  _ _ _
-3 _ _  1 4 8  _ _ _
-_ _ _  6 _ _  4 7 _
-
-SOLUTION:
-5 3 2  4 8 7  1 9 6
-4 6 7  3 1 9  2 8 5
-9 8 1  2 5 6  3 4 7
-
-8 2 3  7 9 1  5 6 4
-6 5 9  8 2 4  7 1 3
-7 1 4  5 6 3  8 2 9
-
-1 4 5  9 7 2  6 3 8
-3 7 6  1 4 8  9 5 2
-2 9 8  6 3 5  4 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,6,0,null,8,4,null,6,7,null,null,4,null,null,null,null,null,null,null,2,null,null,5,null,null,7,3,8,null,null,1,null,null,null,null,8,2,null,null,0,6,null,null,5,null,null,null,3,null,null,null,1,null,null,null,null,null,2,3,7,null,3,null,null,4,null,null,1,null,null,null,null,null,null,null,null,null,null],"solution":[3,2,5,1,6,0,7,8,4,0,6,7,5,8,4,3,2,1,8,4,1,3,2,7,6,5,0,2,7,3,8,0,6,1,4,5,4,1,8,2,7,5,0,6,3,6,5,0,4,1,3,8,7,2,1,0,4,6,5,8,2,3,7,7,3,6,0,4,2,5,1,8,5,8,2,7,3,1,4,0,6]}
-PUZZLE:
-_ _ _  _ 7 1  _ 9 5
-_ 7 8  _ _ 5  _ _ _
-_ _ _  _ 3 _  _ 6 _
-
-_ 8 4  9 _ _  2 _ _
-_ _ 9  3 _ _  1 7 _
-_ 6 _  _ _ 4  _ _ _
-
-2 _ _  _ _ _  3 4 8
-_ 4 _  _ 5 _  _ 2 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 3 6  2 7 1  8 9 5
-1 7 8  6 9 5  4 3 2
-9 5 2  4 3 8  7 6 1
-
-3 8 4  9 1 7  2 5 6
-5 2 9  3 8 6  1 7 4
-7 6 1  5 2 4  9 8 3
-
-2 1 5  7 6 9  3 4 8
-8 4 7  1 5 3  6 2 9
-6 9 3  8 4 2  5 1 7
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,null,null,null,null,4,null,null,1,null,null,null,6,null,null,null,null,null,8,null,null,null,null,1,5,2,null,null,6,3,null,null,null,null,null,null,null,0,null,8,6,null,1,null,null,null,null,null,null,null,8,6,null,null,3,null,null,null,null,null,null,4,null,7,null,null,1,null,null,2,null,null,null,5,null],"solution":[0,1,7,8,3,2,5,4,6,5,8,4,7,6,1,0,3,2,6,3,2,4,5,0,8,1,7,7,0,1,5,2,8,4,6,3,2,4,5,3,7,6,1,0,8,8,6,3,1,0,4,2,7,5,4,5,8,6,1,7,3,2,0,3,2,6,0,4,5,7,8,1,1,7,0,2,8,3,6,5,4]}
-PUZZLE:
-1 _ _  _ _ _  _ _ _
-_ _ 5  _ _ 2  _ _ _
-7 _ _  _ _ _  9 _ _
-
-_ _ 2  6 3 _  _ 7 4
-_ _ _  _ _ _  _ 1 _
-9 7 _  2 _ _  _ _ _
-
-_ _ 9  7 _ _  4 _ _
-_ _ _  _ 5 _  8 _ _
-2 _ _  3 _ _  _ 6 _
-
-SOLUTION:
-1 2 8  9 4 3  6 5 7
-6 9 5  8 7 2  1 4 3
-7 4 3  5 6 1  9 2 8
-
-8 1 2  6 3 9  5 7 4
-3 5 6  4 8 7  2 1 9
-9 7 4  2 1 5  3 8 6
-
-5 6 9  7 2 8  4 3 1
-4 3 7  1 5 6  8 9 2
-2 8 1  3 9 4  7 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,8,2,null,null,null,null,null,null,null,3,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,4,null,null,null,5,null,null,8,3,2,null,null,6,null,null,null,1,null,null,null,null,5,null,null,7,null,null,null,1,null,null,null,null,null,null,4,5,null,null,null,7,null,0,null,null,null,3],"solution":[4,7,8,2,5,3,6,1,0,5,2,3,6,1,0,8,7,4,6,0,1,4,8,7,5,3,2,2,3,0,7,6,5,1,4,8,7,1,5,0,4,8,3,2,6,8,6,4,3,2,1,7,0,5,3,5,2,8,7,4,0,6,1,0,8,6,1,3,2,4,5,7,1,4,7,5,0,6,2,8,3]}
-PUZZLE:
-5 _ 9  3 _ _  _ _ _
-_ _ 4  _ _ _  _ 8 _
-_ _ _  _ _ _  _ _ _
-
-_ _ _  _ _ 6  _ 5 _
-_ _ 6  _ _ 9  4 3 _
-_ 7 _  _ _ 2  _ _ _
-
-_ 6 _  _ 8 _  _ _ 2
-_ _ _  _ _ _  5 6 _
-_ _ 8  _ 1 _  _ _ 4
-
-SOLUTION:
-5 8 9  3 6 4  7 2 1
-6 3 4  7 2 1  9 8 5
-7 1 2  5 9 8  6 4 3
-
-3 4 1  8 7 6  2 5 9
-8 2 6  1 5 9  4 3 7
-9 7 5  4 3 2  8 1 6
-
-4 6 3  9 8 5  1 7 2
-1 9 7  2 4 3  5 6 8
-2 5 8  6 1 7  3 9 4
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,7,null,null,2,null,5,null,null,null,null,1,4,0,8,null,null,null,5,null,null,null,4,null,null,null,1,null,null,null,null,null,null,null,0,null,null,null,3,null,8,null,null,7,6,null,4,null,3,null,0,null,2,null,null,6,null,null,null,null,null,null,8,3,null,null,null,null,null,null,null,null,0,null],"solution":[8,5,3,2,0,1,4,6,7,6,7,2,4,5,3,0,1,8,1,4,0,8,7,6,2,5,3,5,6,4,3,2,8,1,7,0,2,1,7,6,4,0,3,8,5,3,0,8,5,1,7,6,2,4,7,3,1,0,8,2,5,4,6,0,2,5,7,6,4,8,3,1,4,8,6,1,3,5,7,0,2]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 8
-_ _ 3  _ 6 _  _ _ _
-2 5 1  9 _ _  _ 6 _
-
-_ _ 5  _ _ _  2 _ _
-_ _ _  _ _ 1  _ _ _
-4 _ 9  _ _ 8  7 _ 5
-
-_ 4 _  1 _ 3  _ _ 7
-_ _ _  _ _ _  9 4 _
-_ _ _  _ _ _  _ 1 _
-
-SOLUTION:
-9 6 4  3 1 2  5 7 8
-7 8 3  5 6 4  1 2 9
-2 5 1  9 8 7  3 6 4
-
-6 7 5  4 3 9  2 8 1
-3 2 8  7 5 1  4 9 6
-4 1 9  6 2 8  7 3 5
-
-8 4 2  1 9 3  6 5 7
-1 3 6  8 7 5  9 4 2
-5 9 7  2 4 6  8 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,null,null,null,2,8,null,null,null,null,null,0,6,null,null,null,null,5,8,null,1,null,null,null,null,null,3,null,null,4,null,null,null,null,8,null,null,1,null,null,3,null,null,null,null,null,null,null,1,6,5,null,null,null,6,null,8,null,4,null,6,null,null,null,5,null,8,null,null,null,5,null,null,null,2,0,1,null],"solution":[1,3,0,5,7,6,4,2,8,8,2,7,4,3,0,6,5,1,4,6,5,8,2,1,3,0,7,5,1,3,2,6,4,7,8,0,7,8,6,0,1,5,2,3,4,0,4,2,3,8,7,1,6,5,2,7,1,6,0,8,5,4,3,6,0,4,1,5,3,8,7,2,3,5,8,7,4,2,0,1,6]}
-PUZZLE:
-_ _ 1  _ _ _  _ 3 9
-_ _ _  _ _ 1  7 _ _
-_ _ 6  9 _ 2  _ _ _
-
-_ _ 4  _ _ 5  _ _ _
-_ 9 _  _ 2 _  _ 4 _
-_ _ _  _ _ _  2 7 6
-
-_ _ _  7 _ 9  _ 5 _
-7 _ _  _ 6 _  9 _ _
-_ 6 _  _ _ 3  1 2 _
-
-SOLUTION:
-2 4 1  6 8 7  5 3 9
-9 3 8  5 4 1  7 6 2
-5 7 6  9 3 2  4 1 8
-
-6 2 4  3 7 5  8 9 1
-8 9 7  1 2 6  3 4 5
-1 5 3  4 9 8  2 7 6
-
-3 8 2  7 1 9  6 5 4
-7 1 5  2 6 4  9 8 3
-4 6 9  8 5 3  1 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,1,null,null,null,null,null,null,null,2,null,0,1,null,null,null,8,null,5,null,null,null,6,3,null,null,null,6,null,2,5,null,null,null,4,5,0,null,null,6,1,6,0,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,0,8,null,null,null,null,null,3,2,null,1,null,null,null,6,8,null,null],"solution":[2,6,0,3,4,1,5,7,8,7,5,3,6,2,8,0,1,4,1,4,8,0,5,7,3,2,6,3,7,1,8,6,4,2,5,0,8,2,4,5,0,3,7,6,1,6,0,5,7,1,2,4,8,3,5,3,2,1,8,0,6,4,7,0,8,6,4,7,5,1,3,2,4,1,7,2,3,6,8,0,5]}
-PUZZLE:
-_ _ _  4 _ 2  _ _ _
-_ _ _  _ 3 _  1 2 _
-_ _ 9  _ 6 _  _ _ 7
-
-4 _ _  _ 7 _  3 6 _
-_ _ 5  6 1 _  _ 7 2
-7 1 _  8 _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-1 9 _  _ _ _  _ 4 3
-_ 2 _  _ _ 7  9 _ _
-
-SOLUTION:
-3 7 1  4 5 2  6 8 9
-8 6 4  7 3 9  1 2 5
-2 5 9  1 6 8  4 3 7
-
-4 8 2  9 7 5  3 6 1
-9 3 5  6 1 4  8 7 2
-7 1 6  8 2 3  5 9 4
-
-6 4 3  2 9 1  7 5 8
-1 9 7  5 8 6  2 4 3
-5 2 8  3 4 7  9 1 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,8,6,null,null,null,null,6,0,null,null,3,7,null,null,8,null,null,3,null,null,null,7,null,2,null,2,null,null,null,null,null,1,null,null,null,null,1,5,null,null,null,3,0,null,null,7,null,null,null,null,null,null,null,null,4,null,1,null,5,null,null,null,null,null,null,null,3,null,null,null,null,2,null,null,null,null,null,7],"solution":[2,7,4,8,6,5,1,3,0,6,0,1,2,3,7,5,4,8,5,8,3,0,1,4,7,6,2,3,2,7,6,4,0,8,1,5,4,6,8,1,5,2,0,7,3,0,1,5,7,8,3,6,2,4,8,3,0,4,7,1,2,5,6,7,4,6,5,2,8,3,0,1,1,5,2,3,0,6,4,8,7]}
-PUZZLE:
-_ _ _  9 7 _  _ _ _
-7 1 _  _ 4 8  _ _ 9
-_ _ 4  _ _ _  8 _ 3
-
-_ 3 _  _ _ _  _ 2 _
-_ _ _  2 6 _  _ _ 4
-1 _ _  8 _ _  _ _ _
-
-_ _ _  5 _ 2  _ 6 _
-_ _ _  _ _ _  4 _ _
-_ _ 3  _ _ _  _ _ 8
-
-SOLUTION:
-3 8 5  9 7 6  2 4 1
-7 1 2  3 4 8  6 5 9
-6 9 4  1 2 5  8 7 3
-
-4 3 8  7 5 1  9 2 6
-5 7 9  2 6 3  1 8 4
-1 2 6  8 9 4  7 3 5
-
-9 4 1  5 8 2  3 6 7
-8 5 7  6 3 9  4 1 2
-2 6 3  4 1 7  5 9 8
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,2,null,null,null,null,8,4,null,null,null,null,null,null,null,null,0,null,5,null,null,null,6,3,2,null,3,null,8,2,null,null,null,null,null,null,6,null,null,0,4,null,null,null,null,null,null,null,null,5,1,6,null,0,null,4,null,null,2,null,5,6,null,null,1,null,null,null,4,null,null,6,null,null,null,null,null,8,null,null],"solution":[1,0,2,7,5,3,6,8,4,8,3,6,4,2,1,5,7,0,4,5,7,0,8,6,3,2,1,3,1,8,2,6,7,0,4,5,7,6,5,1,0,4,2,3,8,2,4,0,8,3,5,1,6,7,0,8,4,3,1,2,7,5,6,5,2,1,6,7,8,4,0,3,6,7,3,5,4,0,8,1,2]}
-PUZZLE:
-_ _ 3  _ _ _  _ 9 5
-_ _ _  _ _ _  _ _ 1
-_ 6 _  _ _ 7  4 3 _
-
-4 _ 9  3 _ _  _ _ _
-_ 7 _  _ 1 5  _ _ _
-_ _ _  _ _ 6  2 7 _
-
-1 _ 5  _ _ 3  _ 6 7
-_ _ 2  _ _ _  5 _ _
-7 _ _  _ _ _  9 _ _
-
-SOLUTION:
-2 1 3  8 6 4  7 9 5
-9 4 7  5 3 2  6 8 1
-5 6 8  1 9 7  4 3 2
-
-4 2 9  3 7 8  1 5 6
-8 7 6  2 1 5  3 4 9
-3 5 1  9 4 6  2 7 8
-
-1 9 5  4 2 3  8 6 7
-6 3 2  7 8 9  5 1 4
-7 8 4  6 5 1  9 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,null,null,null,4,null,null,null,1,8,null,null,null,8,5,null,7,0,null,3,1,null,3,6,2,null,null,7,null,null,2,null,4,null,0,null,null,null,null,8,5,null,null,null,null,null,null,null,null,null,null,7,2,null,null,null,null,5,null,null,null,4,8,2,null,null,null,null,null,null,null,4,null,null],"solution":[0,3,1,8,4,6,7,5,2,5,7,4,2,0,3,1,8,6,2,6,8,5,1,7,0,4,3,1,0,3,6,2,8,5,7,4,7,2,6,4,5,0,3,1,8,4,8,5,7,3,1,2,6,0,8,4,0,1,7,2,6,3,5,3,5,7,0,6,4,8,2,1,6,1,2,3,8,5,4,0,7]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ _
-_ _ 5  _ _ _  2 9 _
-_ _ 9  6 _ 8  1 _ 4
-
-2 _ 4  7 3 _  _ 8 _
-_ 3 _  5 _ 1  _ _ _
-_ 9 6  _ _ _  _ _ _
-
-_ _ _  _ 8 3  _ _ _
-_ 6 _  _ _ 5  9 3 _
-_ _ _  _ _ _  5 _ _
-
-SOLUTION:
-1 4 2  9 5 7  8 6 3
-6 8 5  3 1 4  2 9 7
-3 7 9  6 2 8  1 5 4
-
-2 1 4  7 3 9  6 8 5
-8 3 7  5 6 1  4 2 9
-5 9 6  8 4 2  3 7 1
-
-9 5 1  2 8 3  7 4 6
-4 6 8  1 7 5  9 3 2
-7 2 3  4 9 6  5 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,null,1,4,null,1,3,null,6,0,null,null,null,null,null,null,2,null,null,7,null,null,null,4,7,3,2,6,null,null,null,null,2,null,0,8,7,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,8,null,null,2,null,null,null,null,0,null,4,null,null,null],"solution":[7,6,5,8,4,0,2,3,1,4,2,1,3,7,6,0,5,8,3,8,0,5,2,1,4,7,6,8,0,4,7,3,2,6,1,5,5,1,2,6,0,8,7,4,3,6,7,3,4,1,5,8,0,2,1,4,7,2,6,3,5,8,0,0,5,6,1,8,7,3,2,4,2,3,8,0,5,4,1,6,7]}
-PUZZLE:
-_ 7 _  _ _ _  _ _ 2
-5 _ 2  4 _ 7  1 _ _
-_ _ _  _ 3 _  _ 8 _
-
-_ _ 5  8 4 3  7 _ _
-_ _ 3  _ 1 9  8 _ _
-7 _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ 6 _  _ 9 _  _ 3 _
-_ _ _  1 _ 5  _ _ _
-
-SOLUTION:
-8 7 6  9 5 1  3 4 2
-5 3 2  4 8 7  1 6 9
-4 9 1  6 3 2  5 8 7
-
-9 1 5  8 4 3  7 2 6
-6 2 3  7 1 9  8 5 4
-7 8 4  5 2 6  9 1 3
-
-2 5 8  3 7 4  6 9 1
-1 6 7  2 9 8  4 3 5
-3 4 9  1 6 5  2 7 8
-
-RATING: 1.5
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,7,8,8,null,null,null,0,3,2,5,null,null,null,6,null,null,null,null,null,null,null,null,4,null,null,5,null,null,null,null,null,null,null,null,null,null,6,null,null,null,0,null,null,7,4,8,null,null,null,null,1,null,null,null,null,null,6,7,null,null,null,null,null,null,2,null,null,null,5,3,null,null,4,null],"solution":[1,0,3,2,5,4,6,7,8,8,4,7,6,0,3,2,5,1,5,2,6,7,8,1,0,3,4,7,8,4,0,6,5,1,2,3,3,5,1,4,2,8,7,6,0,2,6,0,3,1,7,4,8,5,4,3,8,1,7,2,5,0,6,6,7,5,8,4,0,3,1,2,0,1,2,5,3,6,8,4,7]}
-PUZZLE:
-2 _ _  _ _ _  _ 8 9
-9 _ _  _ 1 4  3 6 _
-_ _ 7  _ _ _  _ _ _
-
-_ _ 5  _ _ 6  _ _ _
-_ _ _  _ _ _  _ 7 _
-_ _ 1  _ _ 8  5 9 _
-
-_ _ _  2 _ _  _ _ _
-7 8 _  _ _ _  _ _ 3
-_ _ _  6 4 _  _ 5 _
-
-SOLUTION:
-2 1 4  3 6 5  7 8 9
-9 5 8  7 1 4  3 6 2
-6 3 7  8 9 2  1 4 5
-
-8 9 5  1 7 6  2 3 4
-4 6 2  5 3 9  8 7 1
-3 7 1  4 2 8  5 9 6
-
-5 4 9  2 8 3  6 1 7
-7 8 6  9 5 1  4 2 3
-1 2 3  6 4 7  9 5 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,2,null,4,null,null,null,0,null,null,null,5,null,null,null,null,7,null,null,null,null,null,8,null,3,null,1,null,6,null,null,null,5,2,null,null,null,3,null,null,6,null,null,null,null,null,null,4,8,null,2,null,null,null,null,null,null,7,null,null,0,null,5,5,null,8,1,null,null,null,null,6,null,4,null,null,null,null,null,null,null],"solution":[6,2,3,4,1,7,5,0,8,1,8,5,2,0,3,6,7,4,4,7,0,5,8,6,3,2,1,7,6,1,3,4,5,2,8,0,8,3,2,0,6,1,4,5,7,0,5,4,8,7,2,1,6,3,2,1,6,7,3,8,0,4,5,5,0,8,1,2,4,7,3,6,3,4,7,6,5,0,8,1,2]}
-PUZZLE:
-_ 3 _  5 _ _  _ 1 _
-_ _ 6  _ _ _  _ 8 _
-_ _ _  _ 9 _  4 _ 2
-
-_ 7 _  _ _ 6  3 _ _
-_ 4 _  _ 7 _  _ _ _
-_ _ 5  9 _ 3  _ _ _
-
-_ _ _  8 _ _  1 _ 6
-6 _ 9  2 _ _  _ _ 7
-_ 5 _  _ _ _  _ _ _
-
-SOLUTION:
-7 3 4  5 2 8  6 1 9
-2 9 6  3 1 4  7 8 5
-5 8 1  6 9 7  4 3 2
-
-8 7 2  4 5 6  3 9 1
-9 4 3  1 7 2  5 6 8
-1 6 5  9 8 3  2 7 4
-
-3 2 7  8 4 9  1 5 6
-6 1 9  2 3 5  8 4 7
-4 5 8  7 6 1  9 2 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,5,null,0,null,null,null,null,null,8,null,null,null,null,6,4,0,1,null,3,null,null,null,null,2,null,null,null,null,null,7,null,null,null,8,null,null,4,null,null,3,null,null,null,null,null,7,8,1,null,2,null,null,null,null,null,1,null,2,null,5,null,null,null,1,5,null,null,null,null,null,0,null,null,null,6,null,null,null,null],"solution":[6,4,5,2,0,8,3,7,1,7,8,2,3,5,1,6,4,0,1,0,3,7,4,6,8,2,5,2,3,0,6,7,5,4,1,8,8,1,4,0,2,3,5,6,7,5,6,7,8,1,4,2,0,3,3,7,6,1,8,2,0,5,4,4,2,1,5,3,0,7,8,6,0,5,8,4,6,7,1,3,2]}
-PUZZLE:
-_ _ 6  _ 1 _  _ _ _
-_ 9 _  _ _ _  7 5 1
-2 _ 4  _ _ _  _ 3 _
-
-_ _ _  _ 8 _  _ _ 9
-_ _ 5  _ _ 4  _ _ _
-_ _ 8  9 2 _  3 _ _
-
-_ _ _  2 _ 3  _ 6 _
-_ _ 2  6 _ _  _ _ _
-1 _ _  _ 7 _  _ _ _
-
-SOLUTION:
-7 5 6  3 1 9  4 8 2
-8 9 3  4 6 2  7 5 1
-2 1 4  8 5 7  9 3 6
-
-3 4 1  7 8 6  5 2 9
-9 2 5  1 3 4  6 7 8
-6 7 8  9 2 5  3 1 4
-
-4 8 7  2 9 3  1 6 5
-5 3 2  6 4 1  8 9 7
-1 6 9  5 7 8  2 4 3
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,null,8,null,null,2,null,null,0,null,2,4,null,null,null,3,null,null,null,7,null,1,null,null,null,null,8,null,null,null,null,6,null,null,5,null,null,4,null,null,7,null,7,3,null,0,null,6,null,null,null,null,null,null,1,null,null,null,null,5,null,null,6,null,3,null,null,null,null,null,0,null,null,null,null,null,4,7],"solution":[5,6,7,3,1,8,4,0,2,8,1,0,5,2,4,7,3,6,3,2,4,6,7,0,1,5,8,0,4,8,7,5,1,2,6,3,6,5,1,2,4,3,8,7,0,7,3,2,0,8,6,5,1,4,4,8,3,1,0,7,6,2,5,2,7,6,4,3,5,0,8,1,1,0,5,8,6,2,3,4,7]}
-PUZZLE:
-_ _ _  _ _ 9  _ _ 3
-_ _ 1  _ 3 5  _ _ _
-4 _ _  _ 8 _  2 _ _
-
-_ _ 9  _ _ _  _ 7 _
-_ 6 _  _ 5 _  _ 8 _
-8 4 _  1 _ 7  _ _ _
-
-_ _ _  2 _ _  _ _ 6
-_ _ 7  _ 4 _  _ _ _
-_ 1 _  _ _ _  _ 5 8
-
-SOLUTION:
-6 7 8  4 2 9  5 1 3
-9 2 1  6 3 5  8 4 7
-4 3 5  7 8 1  2 6 9
-
-1 5 9  8 6 2  3 7 4
-7 6 2  3 5 4  9 8 1
-8 4 3  1 9 7  6 2 5
-
-5 9 4  2 1 8  7 3 6
-3 8 7  5 4 6  1 9 2
-2 1 6  9 7 3  4 5 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,2,null,null,6,1,null,4,null,8,null,0,null,5,7,null,null,null,null,1,4,null,null,null,3,2,null,null,null,null,null,null,null,null,null,8,0,5,null,null,null,null,7,null,7,null,null,null,null,null,5,6,null,null,null,4,8,null,null,null,null,null,null,null,null,null,2,null,null,null,7],"solution":[3,1,7,2,8,4,6,0,5,0,5,2,3,7,6,1,8,4,4,8,6,0,1,5,7,2,3,6,7,1,4,5,8,0,3,2,2,4,3,7,0,1,8,5,6,8,0,5,6,3,2,4,7,1,7,2,0,1,4,3,5,6,8,5,3,4,8,6,7,2,1,0,1,6,8,5,2,0,3,4,7]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ 3  _ _ 7  2 _ 5
-_ 9 _  1 _ 6  8 _ _
-
-_ _ 2  5 _ _  _ 4 3
-_ _ _  _ _ _  _ _ _
-9 1 6  _ _ _  _ 8 _
-
-8 _ _  _ _ _  6 7 _
-_ _ 5  9 _ _  _ _ _
-_ _ _  _ 3 _  _ _ 8
-
-SOLUTION:
-4 2 8  3 9 5  7 1 6
-1 6 3  4 8 7  2 9 5
-5 9 7  1 2 6  8 3 4
-
-7 8 2  5 6 9  1 4 3
-3 5 4  8 1 2  9 6 7
-9 1 6  7 4 3  5 8 2
-
-8 3 1  2 5 4  6 7 9
-6 4 5  9 7 8  3 2 1
-2 7 9  6 3 1  4 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,7,0,null,2,6,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,6,5,null,4,7,null,null,4,null,null,null,null,null,null,1,null,2,null,0,null,null,null,null,8,null,1,null,5,null,0,null,null,null,4,null,null,null,null,null,6,null,3,8,null,null,null,4,null,null,null,6,null,0,null,null,null,5,null],"solution":[1,4,5,7,0,3,2,6,8,8,2,6,5,4,1,3,7,0,3,0,7,8,2,6,5,1,4,7,5,0,4,6,8,1,3,2,6,1,3,2,7,0,8,4,5,4,8,2,1,3,5,6,0,7,5,7,4,3,1,2,0,8,6,0,3,8,6,5,7,4,2,1,2,6,1,0,8,4,7,5,3]}
-PUZZLE:
-2 _ _  8 1 _  3 7 _
-_ _ _  _ _ 2  _ _ _
-_ _ _  _ _ 7  6 _ 5
-
-8 _ _  5 _ _  _ _ _
-_ 2 _  3 _ 1  _ _ _
-_ 9 _  2 _ 6  _ 1 _
-
-_ _ 5  _ _ _  _ _ 7
-_ 4 9  _ _ _  5 _ _
-_ 7 _  1 _ _  _ 6 _
-
-SOLUTION:
-2 5 6  8 1 4  3 7 9
-9 3 7  6 5 2  4 8 1
-4 1 8  9 3 7  6 2 5
-
-8 6 1  5 7 9  2 4 3
-7 2 4  3 8 1  9 5 6
-5 9 3  2 4 6  7 1 8
-
-6 8 5  4 2 3  1 9 7
-1 4 9  7 6 8  5 3 2
-3 7 2  1 9 5  8 6 4
-
-RATING: 3.25
-DATA:
-{"puzzle":[7,null,null,5,null,null,null,null,null,5,8,null,null,4,null,null,null,0,null,null,3,null,null,null,null,6,null,null,2,null,null,null,null,null,null,3,1,null,null,null,null,null,null,7,5,null,null,null,6,null,1,null,null,null,8,null,null,null,7,4,null,null,null,4,0,null,null,null,null,7,null,null,null,null,5,null,6,null,null,0,2],"solution":[7,1,0,5,2,6,8,3,4,5,8,6,3,4,7,1,2,0,2,4,3,8,1,0,5,6,7,6,2,4,7,8,5,0,1,3,1,3,8,4,0,2,6,7,5,0,5,7,6,3,1,2,4,8,8,6,2,0,7,4,3,5,1,4,0,1,2,5,3,7,8,6,3,7,5,1,6,8,4,0,2]}
-PUZZLE:
-8 _ _  6 _ _  _ _ _
-6 9 _  _ 5 _  _ _ 1
-_ _ 4  _ _ _  _ 7 _
-
-_ 3 _  _ _ _  _ _ 4
-2 _ _  _ _ _  _ 8 6
-_ _ _  7 _ 2  _ _ _
-
-9 _ _  _ 8 5  _ _ _
-5 1 _  _ _ _  8 _ _
-_ _ 6  _ 7 _  _ 1 3
-
-SOLUTION:
-8 2 1  6 3 7  9 4 5
-6 9 7  4 5 8  2 3 1
-3 5 4  9 2 1  6 7 8
-
-7 3 5  8 9 6  1 2 4
-2 4 9  5 1 3  7 8 6
-1 6 8  7 4 2  3 5 9
-
-9 7 3  1 8 5  4 6 2
-5 1 2  3 6 4  8 9 7
-4 8 6  2 7 9  5 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,null,null,null,1,6,null,null,1,null,null,6,3,2,null,null,null,4,null,0,null,null,5,null,null,5,null,null,6,null,7,3,2,null,null,0,null,null,null,8,null,null,null,null,null,null,null,null,null,null,7,null,null,2,null,null,null,null,6,null,null,null,null,0,null,3,null,null,null,null,null,null,4,null,8,null,null,null,null],"solution":[0,5,3,8,2,4,1,6,7,7,1,8,5,6,3,2,0,4,6,4,2,0,7,1,5,3,8,5,8,1,6,4,7,3,2,0,2,0,7,3,5,8,4,1,6,4,3,6,1,0,2,8,7,5,8,2,5,7,1,0,6,4,3,1,6,0,4,3,5,7,8,2,3,7,4,2,8,6,0,5,1]}
-PUZZLE:
-_ 6 _  _ _ _  2 7 _
-_ 2 _  _ 7 4  3 _ _
-_ 5 _  1 _ _  6 _ _
-
-6 _ _  7 _ 8  4 3 _
-_ 1 _  _ _ 9  _ _ _
-_ _ _  _ _ _  _ 8 _
-
-_ 3 _  _ _ _  7 _ _
-_ _ 1  _ 4 _  _ _ _
-_ _ 5  _ 9 _  _ _ _
-
-SOLUTION:
-1 6 4  9 3 5  2 7 8
-8 2 9  6 7 4  3 1 5
-7 5 3  1 8 2  6 4 9
-
-6 9 2  7 5 8  4 3 1
-3 1 8  4 6 9  5 2 7
-5 4 7  2 1 3  9 8 6
-
-9 3 6  8 2 1  7 5 4
-2 7 1  5 4 6  8 9 3
-4 8 5  3 9 7  1 6 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,1,7,4,null,null,null,null,null,null,null,null,null,3,null,null,null,4,null,null,0,null,null,2,8,null,null,null,null,3,null,null,null,2,null,null,null,null,null,0,null,3,null,7,5,1,null,null,null,null,6,null,null,7,null,null,2,null,null,null,null,4,null,0,null,null,8,null,1,null,null,null,5,null,null,null,null,null,null,null],"solution":[6,2,1,7,4,8,0,5,3,0,8,5,1,2,3,7,4,6,4,3,7,0,5,6,2,8,1,8,7,0,3,6,1,4,2,5,2,4,6,8,0,5,3,1,7,5,1,3,4,7,2,6,0,8,7,6,8,2,1,0,5,3,4,3,0,4,5,8,7,1,6,2,1,5,2,6,3,4,8,7,0]}
-PUZZLE:
-_ _ 2  8 5 _  _ _ _
-_ _ _  _ _ 4  _ _ _
-5 _ _  1 _ _  3 9 _
-
-_ _ _  4 _ _  _ 3 _
-_ _ _  _ 1 _  4 _ 8
-6 2 _  _ _ _  7 _ _
-
-8 _ _  3 _ _  _ _ 5
-_ 1 _  _ 9 _  2 _ _
-_ 6 _  _ _ _  _ _ _
-
-SOLUTION:
-7 3 2  8 5 9  1 6 4
-1 9 6  2 3 4  8 5 7
-5 4 8  1 6 7  3 9 2
-
-9 8 1  4 7 2  5 3 6
-3 5 7  9 1 6  4 2 8
-6 2 4  5 8 3  7 1 9
-
-8 7 9  3 2 1  6 4 5
-4 1 5  6 9 8  2 7 3
-2 6 3  7 4 5  9 8 1
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,2,null,null,1,0,3,null,null,3,null,7,null,5,null,8,null,2,null,null,0,2,null,null,1,null,null,7,null,null,4,null,null,2,5,null,6,null,null,null,null,null,null,null,null,null,0,null,null,2,null,null,null,6,null,null,null,7,null,5,null,3,null,null,null,null,null,null,null,null,null,null],"solution":[0,8,4,3,7,2,6,1,5,5,2,6,8,1,0,3,4,7,3,1,7,6,5,4,8,0,2,8,5,0,2,3,7,1,6,4,7,3,1,4,8,6,2,5,0,6,4,2,5,0,1,7,8,3,4,0,3,1,2,8,5,7,6,2,6,8,7,4,5,0,3,1,1,7,5,0,6,3,4,2,8]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 3 _  _ 2 1  4 _ _
-4 _ 8  _ 6 _  9 _ 3
-
-_ _ 1  3 _ _  2 _ _
-8 _ _  5 _ _  3 6 _
-7 _ _  _ _ _  _ _ _
-
-_ 1 _  _ 3 _  _ _ 7
-_ _ _  8 _ 6  _ 4 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-1 9 5  4 8 3  7 2 6
-6 3 7  9 2 1  4 5 8
-4 2 8  7 6 5  9 1 3
-
-9 6 1  3 4 8  2 7 5
-8 4 2  5 9 7  3 6 1
-7 5 3  6 1 2  8 9 4
-
-5 1 4  2 3 9  6 8 7
-3 7 9  8 5 6  1 4 2
-2 8 6  1 7 4  5 3 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,5,null,null,8,null,7,3,null,null,null,null,null,null,null,null,null,8,null,null,null,1,6,3,null,null,null,null,null,6,null,null,null,2,5,null,null,0,null,null,null,null,null,4,null,null,null,null,null,3,null,6,8,null,0,6,5,7,null,null,null,null,null,null,1,4,null,null,2,null,null,null,8,null,null,null,null,1,null,0,null],"solution":[6,5,2,0,8,4,7,3,1,1,4,3,5,2,7,0,6,8,7,8,0,1,6,3,5,2,4,4,3,6,8,1,0,2,5,7,5,0,8,2,7,6,1,4,3,2,7,1,4,3,5,6,8,0,0,6,5,7,4,8,3,1,2,3,1,4,6,0,2,8,7,5,8,2,7,3,5,1,4,0,6]}
-PUZZLE:
-_ 6 _  _ 9 _  8 4 _
-_ _ _  _ _ _  _ _ 9
-_ _ _  2 7 4  _ _ _
-
-_ _ 7  _ _ _  3 6 _
-_ 1 _  _ _ _  _ 5 _
-_ _ _  _ 4 _  7 9 _
-
-1 7 6  8 _ _  _ _ _
-_ 2 5  _ _ 3  _ _ _
-9 _ _  _ _ 2  _ 1 _
-
-SOLUTION:
-7 6 3  1 9 5  8 4 2
-2 5 4  6 3 8  1 7 9
-8 9 1  2 7 4  6 3 5
-
-5 4 7  9 2 1  3 6 8
-6 1 9  3 8 7  2 5 4
-3 8 2  5 4 6  7 9 1
-
-1 7 6  8 5 9  4 2 3
-4 2 5  7 1 3  9 8 6
-9 3 8  4 6 2  5 1 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,8,null,6,null,null,null,null,2,null,null,null,null,null,null,5,0,null,null,null,1,null,null,7,null,null,null,5,null,null,0,null,1,0,null,null,6,null,null,null,8,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,8,1,null,null,7,null,null,null,null,null,null,null,0,null,null,null,null,2,5,4,6,null],"solution":[3,1,4,2,8,7,6,0,5,6,7,2,4,5,0,3,1,8,5,0,8,3,6,1,2,4,7,8,4,6,5,7,3,0,2,1,0,3,7,6,1,2,5,8,4,2,5,1,8,0,4,7,3,6,4,6,5,0,3,8,1,7,2,7,2,3,1,4,6,8,5,0,1,8,0,7,2,5,4,6,3]}
-PUZZLE:
-_ 2 _  _ 9 _  7 _ _
-_ _ 3  _ _ _  _ _ _
-6 1 _  _ _ 2  _ _ 8
-
-_ _ _  6 _ _  1 _ 2
-1 _ _  7 _ _  _ 9 _
-_ _ _  _ _ _  _ _ _
-
-5 _ _  _ _ 9  2 _ _
-8 _ _  _ _ _  _ _ 1
-_ _ _  _ 3 6  5 7 _
-
-SOLUTION:
-4 2 5  3 9 8  7 1 6
-7 8 3  5 6 1  4 2 9
-6 1 9  4 7 2  3 5 8
-
-9 5 7  6 8 4  1 3 2
-1 4 8  7 2 3  6 9 5
-3 6 2  9 1 5  8 4 7
-
-5 7 6  1 4 9  2 8 3
-8 3 4  2 5 7  9 6 1
-2 9 1  8 3 6  5 7 4
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,2,null,3,null,8,null,null,4,null,null,null,null,1,null,null,8,null,null,null,6,4,7,null,null,null,null,null,null,null,null,4,null,null,6,null,2,null,null,6,null,null,null,null,null,1,null,null,8,2,null,null,4,5,null,null,null,null,5,4,3,7,null,null,null,5,null,null,null,null,null,2,7,null,3,null,null,null,null,null,null],"solution":[5,2,1,3,6,8,7,0,4,4,7,0,2,1,5,6,8,3,8,3,6,4,7,0,5,2,1,3,0,8,5,4,1,2,6,7,2,5,4,6,0,7,1,3,8,1,6,7,8,2,3,0,4,5,6,8,2,1,5,4,3,7,0,0,4,5,7,3,6,8,1,2,7,1,3,0,8,2,4,5,6]}
-PUZZLE:
-_ 3 _  4 _ 9  _ _ 5
-_ _ _  _ 2 _  _ 9 _
-_ _ 7  5 8 _  _ _ _
-
-_ _ _  _ 5 _  _ 7 _
-3 _ _  7 _ _  _ _ _
-2 _ _  9 3 _  _ 5 6
-
-_ _ _  _ 6 5  4 8 _
-_ _ 6  _ _ _  _ _ 3
-8 _ 4  _ _ _  _ _ _
-
-SOLUTION:
-6 3 2  4 7 9  8 1 5
-5 8 1  3 2 6  7 9 4
-9 4 7  5 8 1  6 3 2
-
-4 1 9  6 5 2  3 7 8
-3 6 5  7 1 8  2 4 9
-2 7 8  9 3 4  1 5 6
-
-7 9 3  2 6 5  4 8 1
-1 5 6  8 4 7  9 2 3
-8 2 4  1 9 3  5 6 7
-
-RATING: 2
-DATA:
-{"puzzle":[1,null,null,null,6,0,null,null,null,8,null,null,null,null,null,null,null,null,null,2,6,null,null,null,7,null,8,null,8,null,null,2,null,4,3,null,6,null,null,0,null,null,null,null,null,7,null,null,5,null,null,2,null,null,null,3,5,null,null,1,null,4,null,null,null,null,6,null,null,null,null,3,null,null,null,null,3,null,null,null,null],"solution":[1,7,4,8,6,0,3,5,2,8,5,0,3,7,2,1,6,4,3,2,6,1,5,4,7,0,8,5,8,1,7,2,6,4,3,0,6,4,2,0,1,3,8,7,5,7,0,3,5,4,8,2,1,6,0,3,5,2,8,1,6,4,7,4,1,8,6,0,7,5,2,3,2,6,7,4,3,5,0,8,1]}
-PUZZLE:
-2 _ _  _ 7 1  _ _ _
-9 _ _  _ _ _  _ _ _
-_ 3 7  _ _ _  8 _ 9
-
-_ 9 _  _ 3 _  5 4 _
-7 _ _  1 _ _  _ _ _
-8 _ _  6 _ _  3 _ _
-
-_ 4 6  _ _ 2  _ 5 _
-_ _ _  7 _ _  _ _ 4
-_ _ _  _ 4 _  _ _ _
-
-SOLUTION:
-2 8 5  9 7 1  4 6 3
-9 6 1  4 8 3  2 7 5
-4 3 7  2 6 5  8 1 9
-
-6 9 2  8 3 7  5 4 1
-7 5 3  1 2 4  9 8 6
-8 1 4  6 5 9  3 2 7
-
-1 4 6  3 9 2  7 5 8
-5 2 9  7 1 8  6 3 4
-3 7 8  5 4 6  1 9 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,5,null,null,null,3,null,null,null,0,null,null,7,6,null,null,null,null,null,null,null,null,null,0,2,null,3,null,6,null,2,null,null,null,null,0,null,2,5,8,null,null,null,null,null,8,null,4,null,null,null,null,null,null,null,0,1,5,null,2,null,3,null,null,null,null,3,null,null,null,5,null,7,null,null,null,null,null,4,null],"solution":[7,1,5,0,4,2,3,6,8,2,0,8,3,7,6,1,5,4,6,3,4,8,1,5,0,2,7,3,5,6,7,2,1,4,8,0,0,4,2,5,8,3,7,1,6,1,8,7,4,6,0,5,3,2,8,6,0,1,5,4,2,7,3,4,2,1,6,3,7,8,0,5,5,7,3,2,0,8,6,4,1]}
-PUZZLE:
-_ _ 6  _ _ _  4 _ _
-_ 1 _  _ 8 7  _ _ _
-_ _ _  _ _ _  1 3 _
-
-4 _ 7  _ 3 _  _ _ _
-1 _ 3  6 9 _  _ _ _
-_ 9 _  5 _ _  _ _ _
-
-_ _ 1  2 6 _  3 _ 4
-_ _ _  _ 4 _  _ _ 6
-_ 8 _  _ _ _  _ 5 _
-
-SOLUTION:
-8 2 6  1 5 3  4 7 9
-3 1 9  4 8 7  2 6 5
-7 4 5  9 2 6  1 3 8
-
-4 6 7  8 3 2  5 9 1
-1 5 3  6 9 4  8 2 7
-2 9 8  5 7 1  6 4 3
-
-9 7 1  2 6 5  3 8 4
-5 3 2  7 4 8  9 1 6
-6 8 4  3 1 9  7 5 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,2,null,null,null,null,null,8,3,null,null,0,5,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,0,null,null,1,null,6,null,null,null,null,7,null,3,null,4,null,4,null,null,6,null,null,null,null,1,null,2,null,null,4,8,null,null,6,6,4,null,null,null,null,2,null,null,null,null,7,null,null,null,null,null,0],"solution":[7,0,2,1,6,4,3,5,8,3,8,4,0,5,2,6,1,7,1,6,5,8,3,7,0,2,4,2,7,0,4,8,1,5,6,3,5,1,6,7,0,3,8,4,2,4,3,8,6,2,5,7,0,1,0,2,3,5,4,8,1,7,6,6,4,1,3,7,0,2,8,5,8,5,7,2,1,6,4,3,0]}
-PUZZLE:
-_ 1 3  _ _ _  _ _ 9
-4 _ _  1 6 _  _ _ _
-_ _ 6  _ _ _  _ _ _
-
-_ _ 1  _ _ 2  _ 7 _
-_ _ _  8 _ 4  _ 5 _
-5 _ _  7 _ _  _ _ 2
-
-_ 3 _  _ 5 9  _ _ 7
-7 5 _  _ _ _  3 _ _
-_ _ 8  _ _ _  _ _ 1
-
-SOLUTION:
-8 1 3  2 7 5  4 6 9
-4 9 5  1 6 3  7 2 8
-2 7 6  9 4 8  1 3 5
-
-3 8 1  5 9 2  6 7 4
-6 2 7  8 1 4  9 5 3
-5 4 9  7 3 6  8 1 2
-
-1 3 4  6 5 9  2 8 7
-7 5 2  4 8 1  3 9 6
-9 6 8  3 2 7  5 4 1
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,7,null,null,null,4,null,null,null,null,5,null,null,0,7,null,null,8,null,null,6,null,null,null,1,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,6,null,8,5,null,4,8,null,null,null,2,null,null,null,null,null,4,null,null,null,null,null,null,null,null,0,null,null,null,7,null,1,3,5,null,null,0,null,null],"solution":[2,6,7,3,1,8,4,5,0,1,3,5,4,2,0,7,8,6,8,4,0,6,7,5,2,1,3,6,7,8,1,3,2,5,0,4,3,2,1,0,5,4,6,7,8,5,0,4,8,6,7,3,2,1,0,8,2,7,4,3,1,6,5,4,5,6,2,0,1,8,3,7,7,1,3,5,8,6,0,4,2]}
-PUZZLE:
-3 _ 8  _ _ _  5 _ _
-_ _ 6  _ _ 1  8 _ _
-9 _ _  7 _ _  _ 2 _
-
-_ _ _  2 _ _  _ _ _
-_ _ _  _ _ _  7 _ 9
-6 _ 5  9 _ _  _ 3 _
-
-_ _ _  _ 5 _  _ _ _
-_ _ _  _ 1 _  _ _ 8
-_ 2 4  6 _ _  1 _ _
-
-SOLUTION:
-3 7 8  4 2 9  5 6 1
-2 4 6  5 3 1  8 9 7
-9 5 1  7 8 6  3 2 4
-
-7 8 9  2 4 3  6 1 5
-4 3 2  1 6 5  7 8 9
-6 1 5  9 7 8  4 3 2
-
-1 9 3  8 5 4  2 7 6
-5 6 7  3 1 2  9 4 8
-8 2 4  6 9 7  1 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,2,null,6,null,8,null,null,null,null,7,1,null,2,null,null,null,null,3,3,null,5,null,0,null,null,2,6,null,null,null,null,null,7,1,null,null,null,null,null,null,null,null,5,null,null,null,null,null,1,null,null,8,0,null,1,null,0,6,null,null,null,7,null],"solution":[8,7,1,5,2,4,6,3,0,0,4,3,7,1,6,2,5,8,2,5,6,3,8,0,4,1,7,7,1,4,2,6,5,0,8,3,3,8,5,4,0,1,7,2,6,6,0,2,8,3,7,1,4,5,4,3,8,0,7,2,5,6,1,5,6,7,1,4,3,8,0,2,1,2,0,6,5,8,3,7,4]}
-PUZZLE:
-9 _ _  _ _ _  _ _ _
-_ _ 4  _ _ _  _ _ _
-3 _ 7  _ 9 _  _ _ _
-
-8 2 _  3 _ _  _ _ 4
-4 _ 6  _ 1 _  _ 3 7
-_ _ _  _ _ 8  2 _ _
-
-_ _ _  _ _ _  6 _ _
-_ _ _  2 _ _  9 1 _
-2 _ 1  7 _ _  _ 8 _
-
-SOLUTION:
-9 8 2  6 3 5  7 4 1
-1 5 4  8 2 7  3 6 9
-3 6 7  4 9 1  5 2 8
-
-8 2 5  3 7 6  1 9 4
-4 9 6  5 1 2  8 3 7
-7 1 3  9 4 8  2 5 6
-
-5 4 9  1 8 3  6 7 2
-6 7 8  2 5 4  9 1 3
-2 3 1  7 6 9  4 8 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[6,null,null,3,null,null,null,null,null,null,null,0,null,null,2,6,null,null,null,5,null,null,null,null,1,null,3,null,null,null,null,3,null,8,null,null,null,6,null,null,7,null,null,null,null,null,7,null,2,null,8,null,4,null,null,null,null,null,5,1,null,null,null,null,null,8,null,null,4,null,null,null,1,null,4,null,null,null,null,null,0],"solution":[6,8,2,3,1,7,4,0,5,3,1,0,5,4,2,6,7,8,4,5,7,8,0,6,1,2,3,2,4,5,1,3,0,8,6,7,8,6,1,4,7,5,0,3,2,0,7,3,2,6,8,5,4,1,7,3,6,0,5,1,2,8,4,5,0,8,7,2,4,3,1,6,1,2,4,6,8,3,7,5,0]}
-PUZZLE:
-7 _ _  4 _ _  _ _ _
-_ _ 1  _ _ 3  7 _ _
-_ 6 _  _ _ _  2 _ 4
-
-_ _ _  _ 4 _  9 _ _
-_ 7 _  _ 8 _  _ _ _
-_ 8 _  3 _ 9  _ 5 _
-
-_ _ _  _ 6 2  _ _ _
-_ _ 9  _ _ 5  _ _ _
-2 _ 5  _ _ _  _ _ 1
-
-SOLUTION:
-7 9 3  4 2 8  5 1 6
-4 2 1  6 5 3  7 8 9
-5 6 8  9 1 7  2 3 4
-
-3 5 6  2 4 1  9 7 8
-9 7 2  5 8 6  1 4 3
-1 8 4  3 7 9  6 5 2
-
-8 4 7  1 6 2  3 9 5
-6 1 9  8 3 5  4 2 7
-2 3 5  7 9 4  8 6 1
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,0,8,null,null,null,null,null,null,null,null,null,6,null,null,null,2,null,8,4,3,null,null,null,null,0,null,null,1,null,3,null,5,null,null,3,6,2,null,4,null,null,null,null,null,null,null,5,null,6,null,null,null,null,4,null,null,2,3,2,null,null,6,null,null,null,null,null,null,4,1,null,null,null,null,8],"solution":[2,4,3,6,7,1,0,8,5,8,1,5,3,4,0,7,2,6,7,6,0,2,5,8,4,3,1,4,7,2,0,8,5,1,6,3,1,5,8,7,3,6,2,0,4,0,3,6,4,1,2,8,5,7,6,8,7,5,0,4,3,1,2,3,2,1,8,6,7,5,4,0,5,0,4,1,2,3,6,7,8]}
-PUZZLE:
-_ _ _  _ _ _  1 9 _
-_ _ _  _ _ _  _ _ 7
-_ _ _  3 _ 9  5 4 _
-
-_ _ _  1 _ _  2 _ 4
-_ 6 _  _ 4 7  3 _ 5
-_ _ _  _ _ _  _ 6 _
-
-7 _ _  _ _ 5  _ _ 3
-4 3 _  _ 7 _  _ _ _
-_ _ 5  2 _ _  _ _ 9
-
-SOLUTION:
-3 5 4  7 8 2  1 9 6
-9 2 6  4 5 1  8 3 7
-8 7 1  3 6 9  5 4 2
-
-5 8 3  1 9 6  2 7 4
-2 6 9  8 4 7  3 1 5
-1 4 7  5 2 3  9 6 8
-
-7 9 8  6 1 5  4 2 3
-4 3 2  9 7 8  6 5 1
-6 1 5  2 3 4  7 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,0,null,3,null,null,null,5,null,null,null,null,null,8,null,0,null,2,null,null,null,null,null,1,null,8,6,null,1,null,null,null,3,null,null,0,5,null,null,null,null,null,4,6,null,null,null,null,6,null,2,null,null,null,2,null,null,7,null,null,null,null,3,4,null,1,null,0,null,null,null,null,null,5,null,null,null,null,null,null],"solution":[4,8,0,7,3,1,6,2,5,5,1,3,6,2,8,4,0,7,2,6,7,5,0,4,1,3,8,6,7,1,4,5,2,3,8,0,0,5,2,8,1,3,7,4,6,8,3,4,0,6,7,2,5,1,1,2,8,3,7,5,0,6,4,3,4,6,1,8,0,5,7,2,7,0,5,2,4,6,8,1,3]}
-PUZZLE:
-5 _ 1  _ 4 _  _ _ 6
-_ _ _  _ _ 9  _ 1 _
-3 _ _  _ _ _  2 _ 9
-
-7 _ 2  _ _ _  4 _ _
-1 6 _  _ _ _  _ 5 7
-_ _ _  _ 7 _  3 _ _
-
-_ 3 _  _ 8 _  _ _ _
-4 5 _  2 _ 1  _ _ _
-_ _ 6  _ _ _  _ _ _
-
-SOLUTION:
-5 9 1  8 4 2  7 3 6
-6 2 4  7 3 9  5 1 8
-3 7 8  6 1 5  2 4 9
-
-7 8 2  5 6 3  4 9 1
-1 6 3  9 2 4  8 5 7
-9 4 5  1 7 8  3 6 2
-
-2 3 9  4 8 6  1 7 5
-4 5 7  2 9 1  6 8 3
-8 1 6  3 5 7  9 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,null,null,null,8,null,null,null,null,3,null,null,7,null,0,null,5,null,8,null,2,null,null,null,null,null,5,null,null,null,null,2,3,null,null,null,null,2,4,null,5,4,null,null,null,null,null,3,null,null,null,8,null,null,null,null,null,null,7,null,null,4,null,null,6,0,null,null,null,null,null,null,null,null,null,1,null],"solution":[7,4,3,1,2,0,6,5,8,6,2,8,4,3,5,1,7,0,0,1,5,6,8,7,2,3,4,8,0,1,5,4,3,7,6,2,3,6,7,0,1,2,4,8,5,4,5,2,7,6,8,3,0,1,2,8,6,3,0,1,5,4,7,1,7,4,8,5,6,0,2,3,5,3,0,2,7,4,8,1,6]}
-PUZZLE:
-_ _ _  2 _ _  _ _ 9
-_ _ _  _ 4 _  _ 8 _
-1 _ 6  _ 9 _  3 _ _
-
-_ _ _  6 _ _  _ _ 3
-4 _ _  _ _ 3  5 _ 6
-5 _ _  _ _ _  4 _ _
-
-_ 9 _  _ _ _  _ _ 8
-_ _ 5  _ _ 7  1 _ _
-_ _ _  _ _ _  _ 2 _
-
-SOLUTION:
-8 5 4  2 3 1  7 6 9
-7 3 9  5 4 6  2 8 1
-1 2 6  7 9 8  3 4 5
-
-9 1 2  6 5 4  8 7 3
-4 7 8  1 2 3  5 9 6
-5 6 3  8 7 9  4 1 2
-
-3 9 7  4 1 2  6 5 8
-2 8 5  9 6 7  1 3 4
-6 4 1  3 8 5  9 2 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[7,null,null,null,null,null,8,null,null,null,2,null,null,4,null,null,null,null,null,null,null,null,null,7,null,3,0,8,null,null,3,null,null,7,2,null,null,7,2,null,6,null,null,null,null,null,0,null,null,null,null,3,null,5,0,null,null,null,1,null,null,4,null,null,null,null,2,null,5,null,8,null,null,null,6,null,null,null,null,null,null],"solution":[7,1,0,6,2,3,8,5,4,5,2,3,0,4,8,6,1,7,6,8,4,1,5,7,2,3,0,8,6,5,3,0,4,7,2,1,3,7,2,5,6,1,4,0,8,4,0,1,8,7,2,3,6,5,0,3,8,7,1,6,5,4,2,1,4,7,2,3,5,0,8,6,2,5,6,4,8,0,1,7,3]}
-PUZZLE:
-8 _ _  _ _ _  9 _ _
-_ 3 _  _ 5 _  _ _ _
-_ _ _  _ _ 8  _ 4 1
-
-9 _ _  4 _ _  8 3 _
-_ 8 3  _ 7 _  _ _ _
-_ 1 _  _ _ _  4 _ 6
-
-1 _ _  _ 2 _  _ 5 _
-_ _ _  3 _ 6  _ 9 _
-_ _ 7  _ _ _  _ _ _
-
-SOLUTION:
-8 2 1  7 3 4  9 6 5
-6 3 4  1 5 9  7 2 8
-7 9 5  2 6 8  3 4 1
-
-9 7 6  4 1 5  8 3 2
-4 8 3  6 7 2  5 1 9
-5 1 2  9 8 3  4 7 6
-
-1 4 9  8 2 7  6 5 3
-2 5 8  3 4 6  1 9 7
-3 6 7  5 9 1  2 8 4
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,1,null,4,null,3,null,null,2,null,null,null,null,null,null,4,null,null,null,0,2,null,6,5,8,null,null,4,null,null,null,null,null,null,8,7,null,null,null,null,0,2,null,null,6,null,null,3,null,null,null,7,null,null,null,null,null,6,7,null,null,null,5,1,null,null,null,null,null,2,null,null,7,4,null,null,null,null,null,null],"solution":[8,6,1,7,4,5,3,0,2,2,5,7,8,0,3,6,4,1,4,3,0,2,1,6,5,8,7,1,4,5,6,7,2,0,3,8,7,8,3,1,5,0,2,6,4,6,0,2,3,8,4,1,7,5,0,2,8,5,6,7,4,1,3,5,1,6,4,3,8,7,2,0,3,7,4,0,2,1,8,5,6]}
-PUZZLE:
-_ _ 2  _ 5 _  4 _ _
-3 _ _  _ _ _  _ 5 _
-_ _ 1  3 _ 7  6 9 _
-
-_ 5 _  _ _ _  _ _ 9
-8 _ _  _ _ 1  3 _ _
-7 _ _  4 _ _  _ 8 _
-
-_ _ _  _ 7 8  _ _ _
-6 2 _  _ _ _  _ 3 _
-_ 8 5  _ _ _  _ _ _
-
-SOLUTION:
-9 7 2  8 5 6  4 1 3
-3 6 8  9 1 4  7 5 2
-5 4 1  3 2 7  6 9 8
-
-2 5 6  7 8 3  1 4 9
-8 9 4  2 6 1  3 7 5
-7 1 3  4 9 5  2 8 6
-
-1 3 9  6 7 8  5 2 4
-6 2 7  5 4 9  8 3 1
-4 8 5  1 3 2  9 6 7
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,3,null,6,null,null,null,null,1,2,null,null,null,5,0,null,null,0,null,null,null,null,null,null,null,3,null,null,6,null,null,null,4,null,null,null,null,7,null,null,null,6,null,5,null,1,2,null,8,null,null,7,0,null,null,null,5,3,4,null,6,null,7,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null],"solution":[8,5,4,3,0,6,7,1,2,6,1,2,4,8,7,5,0,3,7,0,3,5,2,1,6,8,4,3,8,7,6,1,0,2,4,5,2,4,0,7,3,5,8,6,1,5,6,1,2,4,8,0,3,7,0,2,8,1,5,3,4,7,6,1,7,5,0,6,4,3,2,8,4,3,6,8,7,2,1,5,0]}
-PUZZLE:
-_ _ _  4 _ 7  _ _ _
-_ 2 3  _ _ _  6 1 _
-_ 1 _  _ _ _  _ _ _
-
-4 _ _  7 _ _  _ 5 _
-_ _ _  8 _ _  _ 7 _
-6 _ 2  3 _ 9  _ _ 8
-
-1 _ _  _ 6 4  5 _ 7
-_ 8 _  _ _ _  _ _ _
-_ _ _  9 _ _  _ _ _
-
-SOLUTION:
-9 6 5  4 1 7  8 2 3
-7 2 3  5 9 8  6 1 4
-8 1 4  6 3 2  7 9 5
-
-4 9 8  7 2 1  3 5 6
-3 5 1  8 4 6  9 7 2
-6 7 2  3 5 9  1 4 8
-
-1 3 9  2 6 4  5 8 7
-2 8 6  1 7 5  4 3 9
-5 4 7  9 8 3  2 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,0,6,null,null,1,5,null,null,null,null,null,null,null,7,null,6,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,6,8,1,null,null,6,1,null,3,5,null,0,null,null,null,null,null,null,0,1,null,null,7,null,2,0,1,8,null,null,8,null,null,null,null,null,null,null,null],"solution":[4,8,0,6,2,7,1,5,3,1,2,5,8,3,4,7,0,6,6,3,7,0,1,5,2,4,8,0,1,8,5,6,2,4,3,7,3,5,2,7,4,0,6,8,1,7,4,6,1,8,3,5,2,0,2,6,4,3,7,8,0,1,5,5,7,3,2,0,1,8,6,4,8,0,1,4,5,6,3,7,2]}
-PUZZLE:
-_ 9 1  7 _ _  2 6 _
-_ _ _  _ _ _  8 _ 7
-_ 4 _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ _ 3  _ _ _  7 9 2
-_ _ 7  2 _ 4  6 _ 1
-
-_ _ _  _ _ _  1 2 _
-_ 8 _  3 1 2  9 _ _
-9 _ _  _ _ _  _ _ _
-
-SOLUTION:
-5 9 1  7 3 8  2 6 4
-2 3 6  9 4 5  8 1 7
-7 4 8  1 2 6  3 5 9
-
-1 2 9  6 7 3  5 4 8
-4 6 3  8 5 1  7 9 2
-8 5 7  2 9 4  6 3 1
-
-3 7 5  4 8 9  1 2 6
-6 8 4  3 1 2  9 7 5
-9 1 2  5 6 7  4 8 3
-
-RATING: 2
-DATA:
-{"puzzle":[5,null,8,null,null,null,null,6,null,null,null,null,6,2,null,null,5,7,null,null,null,8,null,null,null,null,2,null,1,2,0,7,null,null,null,4,null,null,null,null,null,3,null,null,null,null,0,null,null,null,null,null,null,null,null,6,7,null,null,null,null,null,8,null,null,null,null,0,null,1,null,null,8,null,null,2,null,null,null,null,3],"solution":[5,2,8,3,4,7,0,6,1,0,3,4,6,2,1,8,5,7,6,7,1,8,5,0,4,3,2,3,1,2,0,7,5,6,8,4,4,8,5,1,6,3,7,2,0,7,0,6,4,8,2,3,1,5,1,6,7,5,3,4,2,0,8,2,5,3,7,0,8,1,4,6,8,4,0,2,1,6,5,7,3]}
-PUZZLE:
-6 _ 9  _ _ _  _ 7 _
-_ _ _  7 3 _  _ 6 8
-_ _ _  9 _ _  _ _ 3
-
-_ 2 3  1 8 _  _ _ 5
-_ _ _  _ _ 4  _ _ _
-_ 1 _  _ _ _  _ _ _
-
-_ 7 8  _ _ _  _ _ 9
-_ _ _  _ 1 _  2 _ _
-9 _ _  3 _ _  _ _ 4
-
-SOLUTION:
-6 3 9  4 5 8  1 7 2
-1 4 5  7 3 2  9 6 8
-7 8 2  9 6 1  5 4 3
-
-4 2 3  1 8 6  7 9 5
-5 9 6  2 7 4  8 3 1
-8 1 7  5 9 3  4 2 6
-
-2 7 8  6 4 5  3 1 9
-3 6 4  8 1 9  2 5 7
-9 5 1  3 2 7  6 8 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,4,null,null,null,null,null,2,0,null,null,7,0,4,null,6,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,3,null,7,0,8,null,null,null,null,null,null,null,null,3,1,null,4,6,null,1,null,null,null,null,null,3,null,null,null,5,null,null,null,null,null,null,null,null,null,8,null,4,0,2],"solution":[8,4,6,3,1,7,5,2,0,3,5,7,0,4,2,6,8,1,0,1,2,8,6,5,3,4,7,7,6,5,4,2,1,0,3,8,1,3,4,7,0,8,2,6,5,2,8,0,6,5,3,1,7,4,6,0,1,2,7,4,8,5,3,4,2,8,5,3,0,7,1,6,5,7,3,1,8,6,4,0,2]}
-PUZZLE:
-_ 5 _  _ _ _  _ 3 1
-_ _ 8  1 5 _  7 _ _
-1 _ _  _ _ _  _ _ _
-
-_ _ _  _ _ 2  _ _ _
-_ 4 _  8 1 9  _ _ _
-_ _ _  _ _ 4  2 _ 5
-
-7 _ 2  _ _ _  _ _ 4
-_ _ _  6 _ _  _ _ _
-_ _ _  _ 9 _  5 1 3
-
-SOLUTION:
-9 5 7  4 2 8  6 3 1
-4 6 8  1 5 3  7 9 2
-1 2 3  9 7 6  4 5 8
-
-8 7 6  5 3 2  1 4 9
-2 4 5  8 1 9  3 7 6
-3 9 1  7 6 4  2 8 5
-
-7 1 2  3 8 5  9 6 4
-5 3 9  6 4 1  8 2 7
-6 8 4  2 9 7  5 1 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[0,null,null,7,3,null,null,null,null,1,6,null,5,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,null,null,0,3,null,8,null,3,null,null,null,null,4,null,null,7,null,null,4,null,8,null,null,6,null,null,null,null,null,null,null,6,1,null,null,2,1,null,null,null,4,7,null,null,null,null,3,null,null,null,2,null],"solution":[0,5,2,7,3,6,8,4,1,1,6,8,5,4,0,7,3,2,4,7,3,8,2,1,0,5,6,7,1,5,6,0,3,2,8,4,3,8,6,2,5,4,1,0,7,2,0,4,1,8,7,3,6,5,5,3,0,4,7,2,6,1,8,8,2,1,0,6,5,4,7,3,6,4,7,3,1,8,5,2,0]}
-PUZZLE:
-1 _ _  8 4 _  _ _ _
-2 7 _  6 _ _  _ _ _
-_ _ _  _ _ 2  _ _ _
-
-_ _ _  _ 1 4  _ 9 _
-4 _ _  _ _ 5  _ _ 8
-_ _ 5  _ 9 _  _ 7 _
-
-_ _ _  _ _ _  7 2 _
-_ 3 2  _ _ _  5 8 _
-_ _ _  4 _ _  _ 3 _
-
-SOLUTION:
-1 6 3  8 4 7  9 5 2
-2 7 9  6 5 1  8 4 3
-5 8 4  9 3 2  1 6 7
-
-8 2 6  7 1 4  3 9 5
-4 9 7  3 6 5  2 1 8
-3 1 5  2 9 8  4 7 6
-
-6 4 1  5 8 3  7 2 9
-9 3 2  1 7 6  5 8 4
-7 5 8  4 2 9  6 3 1
-
-RATING: 3.75
-DATA:
-{"puzzle":[2,null,6,null,null,null,null,null,null,null,null,null,null,null,4,5,null,null,3,4,null,6,null,null,2,null,8,8,2,null,null,null,0,6,null,null,null,5,null,4,1,null,null,null,null,null,null,7,null,null,null,1,null,null,null,null,null,null,4,null,null,5,null,0,null,null,1,5,null,8,null,3,null,null,null,null,null,null,null,null,2],"solution":[2,0,6,5,8,3,7,1,4,1,7,8,0,2,4,5,3,6,3,4,5,6,7,1,2,0,8,8,2,1,7,3,0,6,4,5,6,5,0,4,1,8,3,2,7,4,3,7,2,6,5,1,8,0,7,8,2,3,4,6,0,5,1,0,6,4,1,5,2,8,7,3,5,1,3,8,0,7,4,6,2]}
-PUZZLE:
-3 _ 7  _ _ _  _ _ _
-_ _ _  _ _ 5  6 _ _
-4 5 _  7 _ _  3 _ 9
-
-9 3 _  _ _ 1  7 _ _
-_ 6 _  5 2 _  _ _ _
-_ _ 8  _ _ _  2 _ _
-
-_ _ _  _ 5 _  _ 6 _
-1 _ _  2 6 _  9 _ 4
-_ _ _  _ _ _  _ _ 3
-
-SOLUTION:
-3 1 7  6 9 4  8 2 5
-2 8 9  1 3 5  6 4 7
-4 5 6  7 8 2  3 1 9
-
-9 3 2  8 4 1  7 5 6
-7 6 1  5 2 9  4 3 8
-5 4 8  3 7 6  2 9 1
-
-8 9 3  4 5 7  1 6 2
-1 7 5  2 6 3  9 8 4
-6 2 4  9 1 8  5 7 3
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,null,5,null,null,1,null,4,null,null,null,null,null,null,null,null,8,null,null,4,null,7,null,null,1,null,3,5,null,null,null,null,null,null,null,null,null,0,6,null,null,3,null,null,2,null,1,8,null,null,null,7,5,null,1,6,null,6,null,null,null,1,null,null,2,null,null,null,null,3,null,8,null,null],"solution":[1,4,8,0,2,3,6,7,5,5,2,7,1,6,4,0,8,3,0,3,6,7,5,8,1,2,4,4,7,2,6,1,0,3,5,8,3,8,1,5,4,2,7,6,0,6,5,0,3,8,7,2,4,1,8,0,3,2,7,5,4,1,6,7,6,4,8,0,1,5,3,2,2,1,5,4,3,6,8,0,7]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 _
-6 _ _  2 _ 5  _ _ _
-_ _ _  _ _ 9  _ _ 5
-
-_ 8 _  _ 2 _  4 6 _
-_ _ _  _ _ _  _ _ 1
-7 _ _  4 _ _  3 _ 2
-
-9 _ _  _ 8 6  _ 2 7
-_ 7 _  _ _ 2  _ _ 3
-_ _ _  _ 4 _  9 _ _
-
-SOLUTION:
-2 5 9  1 3 4  7 8 6
-6 3 8  2 7 5  1 9 4
-1 4 7  8 6 9  2 3 5
-
-5 8 3  7 2 1  4 6 9
-4 9 2  6 5 3  8 7 1
-7 6 1  4 9 8  3 5 2
-
-9 1 4  3 8 6  5 2 7
-8 7 5  9 1 2  6 4 3
-3 2 6  5 4 7  9 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,null,2,null,null,null,null,6,7,null,null,null,null,null,null,8,3,4,null,null,5,null,null,null,null,null,null,null,7,null,null,null,null,1,null,6,null,null,null,null,3,null,null,1,null,null,null,3,null,6,2,null,null,null,null,5,null,null,4,null,null,8,null,7,null,null,0,null,null,null,4,null,null,6,null,8,null,null,null],"solution":[0,5,8,3,2,6,7,1,4,6,7,2,4,0,1,5,3,8,3,4,1,8,5,7,0,6,2,5,2,3,7,6,4,8,0,1,7,6,0,1,8,2,3,4,5,1,8,4,0,3,5,6,2,7,2,1,6,5,7,3,4,8,0,8,3,7,2,4,0,1,5,6,4,0,5,6,1,8,2,7,3]}
-PUZZLE:
-1 _ _  _ 3 _  _ _ _
-7 8 _  _ _ _  _ _ 9
-4 5 _  _ 6 _  _ _ _
-
-_ _ _  8 _ _  _ _ 2
-_ 7 _  _ _ _  4 _ _
-2 _ _  _ 4 _  7 3 _
-
-_ _ _  6 _ _  5 _ _
-9 _ 8  _ _ 1  _ _ _
-5 _ _  7 _ 9  _ _ _
-
-SOLUTION:
-1 6 9  4 3 7  8 2 5
-7 8 3  5 1 2  6 4 9
-4 5 2  9 6 8  1 7 3
-
-6 3 4  8 7 5  9 1 2
-8 7 1  2 9 3  4 5 6
-2 9 5  1 4 6  7 3 8
-
-3 2 7  6 8 4  5 9 1
-9 4 8  3 5 1  2 6 7
-5 1 6  7 2 9  3 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,3,null,1,7,null,null,null,5,null,null,null,6,null,null,null,null,null,null,null,null,null,null,3,6,1,0,null,null,4,7,null,null,null,3,null,null,null,null,8,null,null,null,null,null,null,null,0,null,null,null,2,null,null,null,1,null,null,null,null,null,null,null,null,4,2,null,0,null,7,null,null,null,null,null,null,4,6],"solution":[0,8,6,2,3,5,1,7,4,3,7,5,4,0,1,6,2,8,1,2,4,6,7,8,0,5,3,6,1,0,8,2,4,7,3,5,4,3,2,1,5,7,8,6,0,8,5,7,3,6,0,4,1,2,2,4,3,0,1,6,5,8,7,5,6,8,7,4,2,3,0,1,7,0,1,5,8,3,2,4,6]}
-PUZZLE:
-_ 9 _  _ 4 _  2 8 _
-_ _ 6  _ _ _  7 _ _
-_ _ _  _ _ _  _ _ 4
-
-7 2 1  _ _ 5  8 _ _
-_ 4 _  _ _ _  9 _ _
-_ _ _  _ _ 1  _ _ _
-
-3 _ _  _ 2 _  _ _ _
-_ _ _  _ 5 3  _ 1 _
-8 _ _  _ _ _  _ 5 7
-
-SOLUTION:
-1 9 7  3 4 6  2 8 5
-4 8 6  5 1 2  7 3 9
-2 3 5  7 8 9  1 6 4
-
-7 2 1  9 3 5  8 4 6
-5 4 3  2 6 8  9 7 1
-9 6 8  4 7 1  5 2 3
-
-3 5 4  1 2 7  6 9 8
-6 7 9  8 5 3  4 1 2
-8 1 2  6 9 4  3 5 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,3,0,null,5,null,4,null,null,4,null,null,null,null,null,null,null,2,null,null,6,null,null,null,null,1,null,null,5,null,null,1,2,null,null,null,8,null,3,null,4,6,null,null,null,0,7,null,null,null,null,null,null,null,null,null,null,3,null,null,7,null,null,1,null,null,null,null,0,6,null,null,5,null,4,null,null,null,null,null],"solution":[8,6,3,0,1,5,7,4,2,5,4,1,2,7,3,8,0,6,2,7,0,6,4,8,5,3,1,4,3,5,7,6,1,2,8,0,1,8,2,3,0,4,6,5,7,6,0,7,8,5,2,3,1,4,0,2,8,1,3,6,4,7,5,3,1,4,5,2,7,0,6,8,7,5,6,4,8,0,1,2,3]}
-PUZZLE:
-_ _ 4  1 _ 6  _ 5 _
-_ 5 _  _ _ _  _ _ _
-3 _ _  7 _ _  _ _ 2
-
-_ _ 6  _ _ 2  3 _ _
-_ 9 _  4 _ 5  7 _ _
-_ 1 8  _ _ _  _ _ _
-
-_ _ _  _ 4 _  _ 8 _
-_ 2 _  _ _ _  1 7 _
-_ 6 _  5 _ _  _ _ _
-
-SOLUTION:
-9 7 4  1 2 6  8 5 3
-6 5 2  3 8 4  9 1 7
-3 8 1  7 5 9  6 4 2
-
-5 4 6  8 7 2  3 9 1
-2 9 3  4 1 5  7 6 8
-7 1 8  9 6 3  4 2 5
-
-1 3 9  2 4 7  5 8 6
-4 2 5  6 3 8  1 7 9
-8 6 7  5 9 1  2 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,8,null,null,null,0,null,8,5,0,null,null,null,null,null,null,1,null,null,null,null,3,null,null,6,null,0,1,null,null,null,6,null,8,4,null,null,null,5,null,0,null,null,3,null,8,null,null,6,null,1,null,null,7,null,6,8,null,null,null,null,null,null,5,7,2,4,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[7,3,6,8,4,1,5,0,2,8,5,0,2,6,7,3,4,1,1,4,2,5,0,3,7,8,6,5,0,1,4,3,2,6,7,8,4,6,7,1,5,8,0,2,3,3,2,8,0,7,6,4,1,5,2,7,3,6,8,0,1,5,4,6,1,5,7,2,4,8,3,0,0,8,4,3,1,5,2,6,7]}
-PUZZLE:
-_ _ _  9 _ _  _ 1 _
-9 6 1  _ _ _  _ _ _
-2 _ _  _ _ 4  _ _ 7
-
-_ 1 2  _ _ _  7 _ 9
-5 _ _  _ 6 _  1 _ _
-4 _ 9  _ _ 7  _ 2 _
-
-_ 8 _  7 9 _  _ _ _
-_ _ 6  8 3 5  _ _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 4 7  9 5 2  6 1 3
-9 6 1  3 7 8  4 5 2
-2 5 3  6 1 4  8 9 7
-
-6 1 2  5 4 3  7 8 9
-5 7 8  2 6 9  1 3 4
-4 3 9  1 8 7  5 2 6
-
-3 8 4  7 9 1  2 6 5
-7 2 6  8 3 5  9 4 1
-1 9 5  4 2 6  3 7 8
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,null,null,null,6,null,8,null,3,null,null,null,null,null,2,4,null,null,null,0,null,1,null,null,null,1,null,null,2,0,null,4,null,null,null,null,7,null,5,null,null,null,3,null,2,6,null,null,3,7,null,null,null,null,1,7,null,5,null,null,null,5,0,null,null,null,null,null,null,1,null,null,null,null,8,null,null,null,null],"solution":[2,1,5,3,7,4,6,0,8,7,3,0,5,6,8,1,2,4,4,6,8,0,2,1,5,3,7,1,5,3,2,0,7,4,8,6,0,4,7,8,5,6,2,1,3,8,2,6,4,1,3,7,5,0,3,8,1,7,4,5,0,6,2,5,0,4,6,3,2,8,7,1,6,7,2,1,8,0,3,4,5]}
-PUZZLE:
-_ _ _  _ _ _  7 _ 9
-_ 4 _  _ _ _  _ 3 5
-_ _ _  1 _ 2  _ _ _
-
-2 _ _  3 1 _  5 _ _
-_ _ 8  _ 6 _  _ _ 4
-_ 3 7  _ _ 4  8 _ _
-
-_ _ 2  8 _ 6  _ _ _
-6 1 _  _ _ _  _ _ 2
-_ _ _  _ 9 _  _ _ _
-
-SOLUTION:
-3 2 6  4 8 5  7 1 9
-8 4 1  6 7 9  2 3 5
-5 7 9  1 3 2  6 4 8
-
-2 6 4  3 1 8  5 9 7
-1 5 8  9 6 7  3 2 4
-9 3 7  5 2 4  8 6 1
-
-4 9 2  8 5 6  1 7 3
-6 1 5  7 4 3  9 8 2
-7 8 3  2 9 1  4 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,null,null,null,4,1,null,null,1,null,null,null,3,0,null,2,0,null,7,null,null,5,null,null,null,null,null,null,1,5,null,null,0,null,4,null,8,null,0,6,null,null,3,null,null,null,null,4,null,null,6,null,null,4,1,null,6,null,null,null,8,5,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[8,3,5,6,2,0,4,1,7,6,1,4,8,7,3,0,5,2,0,2,7,4,1,5,3,8,6,2,6,3,1,5,7,8,0,4,4,5,8,2,0,6,1,7,3,1,7,0,3,4,8,2,6,5,7,4,1,0,6,2,5,3,8,5,8,2,7,3,1,6,4,0,3,0,6,5,8,4,7,2,1]}
-PUZZLE:
-9 _ _  _ _ _  5 2 _
-_ 2 _  _ _ 4  1 _ 3
-1 _ 8  _ _ 6  _ _ _
-
-_ _ _  2 6 _  _ 1 _
-5 _ 9  _ 1 7  _ _ 4
-_ _ _  _ 5 _  _ 7 _
-
-_ 5 2  _ 7 _  _ _ 9
-6 _ _  _ _ 2  _ _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-9 4 6  7 3 1  5 2 8
-7 2 5  9 8 4  1 6 3
-1 3 8  5 2 6  4 9 7
-
-3 7 4  2 6 8  9 1 5
-5 6 9  3 1 7  2 8 4
-2 8 1  4 5 9  3 7 6
-
-8 5 2  1 7 3  6 4 9
-6 9 3  8 4 2  7 5 1
-4 1 7  6 9 5  8 3 2
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,3,null,null,null,null,null,null,null,6,null,4,1,null,5,null,null,null,7,null,1,null,null,8,null,null,6,null,null,null,7,null,null,null,null,null,1,null,null,null,null,4,6,null,2,null,null,0,null,6,null,4,8,null,null,null,null,null,8,2,0,3,null,null,null,2,null,null,null,null,null,7,null,null,null,null,null,null,null,1,null],"solution":[0,3,5,2,7,6,8,4,1,6,8,4,1,3,5,7,2,0,7,2,1,0,4,8,3,5,6,4,6,8,7,2,3,1,0,5,1,5,3,8,0,4,6,7,2,2,7,0,5,6,1,4,8,3,5,1,7,6,8,2,0,3,4,8,4,2,3,1,0,5,6,7,3,0,6,4,5,7,2,1,8]}
-PUZZLE:
-_ 4 _  _ _ _  _ _ _
-7 _ 5  2 _ 6  _ _ _
-8 _ 2  _ _ 9  _ _ 7
-
-_ _ _  8 _ _  _ _ _
-2 _ _  _ _ 5  7 _ 3
-_ _ 1  _ 7 _  5 9 _
-
-_ _ _  _ 9 3  1 4 _
-_ _ 3  _ _ _  _ _ 8
-_ _ _  _ _ _  _ 2 _
-
-SOLUTION:
-1 4 6  3 8 7  9 5 2
-7 9 5  2 4 6  8 3 1
-8 3 2  1 5 9  4 6 7
-
-5 7 9  8 3 4  2 1 6
-2 6 4  9 1 5  7 8 3
-3 8 1  6 7 2  5 9 4
-
-6 2 8  7 9 3  1 4 5
-9 5 3  4 2 1  6 7 8
-4 1 7  5 6 8  3 2 9
-
-RATING: 2
-DATA:
-{"puzzle":[5,7,2,4,null,null,null,null,null,null,null,null,3,null,2,null,7,null,null,null,null,null,null,0,null,null,1,null,6,null,null,4,null,null,null,null,null,null,4,1,null,null,null,null,2,null,null,5,null,null,null,null,6,8,null,null,null,0,2,null,null,null,6,0,8,null,null,null,null,1,null,7,null,null,null,null,null,null,null,null,3],"solution":[5,7,2,4,8,1,6,3,0,6,0,1,3,5,2,8,7,4,3,4,8,6,7,0,2,5,1,7,6,0,2,4,8,3,1,5,8,3,4,1,6,5,7,0,2,1,2,5,7,0,3,4,6,8,4,1,3,0,2,7,5,8,6,0,8,6,5,3,4,1,2,7,2,5,7,8,1,6,0,4,3]}
-PUZZLE:
-6 8 3  5 _ _  _ _ _
-_ _ _  4 _ 3  _ 8 _
-_ _ _  _ _ 1  _ _ 2
-
-_ 7 _  _ 5 _  _ _ _
-_ _ 5  2 _ _  _ _ 3
-_ _ 6  _ _ _  _ 7 9
-
-_ _ _  1 3 _  _ _ 7
-1 9 _  _ _ _  2 _ 8
-_ _ _  _ _ _  _ _ 4
-
-SOLUTION:
-6 8 3  5 9 2  7 4 1
-7 1 2  4 6 3  9 8 5
-4 5 9  7 8 1  3 6 2
-
-8 7 1  3 5 9  4 2 6
-9 4 5  2 7 6  8 1 3
-2 3 6  8 1 4  5 7 9
-
-5 2 4  1 3 8  6 9 7
-1 9 7  6 4 5  2 3 8
-3 6 8  9 2 7  1 5 4
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,3,null,1,3,null,null,2,null,null,4,null,null,null,1,null,null,null,null,null,null,7,4,null,null,null,6,null,null,null,null,0,null,null,null,null,null,null,2,null,6,null,null,3,null,4,null,null,8,null,8,null,6,3,null,0,null,null,null,7,null,4,null,1,null,null,null,5,null,null,null,null,null,null,null,null],"solution":[7,4,2,0,8,6,3,5,1,3,6,5,2,1,7,4,8,0,8,1,0,5,4,3,2,6,7,4,2,8,7,6,0,5,1,3,0,3,7,1,5,8,6,2,4,6,5,1,3,2,4,7,0,8,1,8,4,6,3,5,0,7,2,2,7,6,4,0,1,8,3,5,5,0,3,8,7,2,1,4,6]}
-PUZZLE:
-_ _ _  _ _ _  4 _ 2
-4 _ _  3 _ _  5 _ _
-_ 2 _  _ _ _  _ _ 8
-
-5 _ _  _ 7 _  _ _ _
-1 _ _  _ _ _  _ 3 _
-7 _ _  4 _ 5  _ _ 9
-
-_ 9 _  7 4 _  1 _ _
-_ 8 _  5 _ 2  _ _ _
-6 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 5 3  1 9 7  4 6 2
-4 7 6  3 2 8  5 9 1
-9 2 1  6 5 4  3 7 8
-
-5 3 9  8 7 1  6 2 4
-1 4 8  2 6 9  7 3 5
-7 6 2  4 3 5  8 1 9
-
-2 9 5  7 4 6  1 8 3
-3 8 7  5 1 2  9 4 6
-6 1 4  9 8 3  2 5 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[5,null,null,null,0,null,null,null,3,null,null,null,null,null,8,null,6,0,2,6,null,null,null,null,null,null,null,null,null,2,1,null,null,null,5,null,null,null,7,4,null,null,null,1,null,1,8,null,null,null,null,null,null,null,null,3,null,null,null,null,4,null,null,null,null,null,null,null,0,null,7,6,null,1,null,null,null,null,null,null,5],"solution":[5,7,8,6,0,1,2,4,3,3,4,1,2,7,8,5,6,0,2,6,0,5,3,4,7,8,1,4,0,2,1,8,6,3,5,7,6,5,7,4,2,3,0,1,8,1,8,3,0,5,7,6,2,4,7,3,6,8,1,5,4,0,2,8,2,5,3,4,0,1,7,6,0,1,4,7,6,2,8,3,5]}
-PUZZLE:
-6 _ _  _ 1 _  _ _ 4
-_ _ _  _ _ 9  _ 7 1
-3 7 _  _ _ _  _ _ _
-
-_ _ 3  2 _ _  _ 6 _
-_ _ 8  5 _ _  _ 2 _
-2 9 _  _ _ _  _ _ _
-
-_ 4 _  _ _ _  5 _ _
-_ _ _  _ _ 1  _ 8 7
-_ 2 _  _ _ _  _ _ 6
-
-SOLUTION:
-6 8 9  7 1 2  3 5 4
-4 5 2  3 8 9  6 7 1
-3 7 1  6 4 5  8 9 2
-
-5 1 3  2 9 7  4 6 8
-7 6 8  5 3 4  1 2 9
-2 9 4  1 6 8  7 3 5
-
-8 4 7  9 2 6  5 1 3
-9 3 6  4 5 1  2 8 7
-1 2 5  8 7 3  9 4 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,8,null,null,1,6,null,null,4,null,3,null,null,null,2,null,null,1,null,null,0,7,null,7,null,null,0,null,null,null,2,null,null,null,null,8,null,4,null,null,null,4,2,6,null,5,null,null,null,null,null,7,null,null,null,null,6,null,null,null,null,1,null,null,null,5,null,null,null,null,3,null,null,null,8,null,null],"solution":[3,0,5,2,7,8,4,6,1,6,1,7,4,0,3,2,8,5,2,8,4,1,6,5,0,7,3,7,5,8,0,1,6,3,2,4,1,3,0,8,2,4,7,5,6,4,2,6,3,5,7,1,0,8,8,7,2,5,3,1,6,4,0,0,4,1,6,8,2,5,3,7,5,6,3,7,4,0,8,1,2]}
-PUZZLE:
-_ _ _  _ _ 9  _ _ 2
-7 _ _  5 _ 4  _ _ _
-3 _ _  2 _ _  1 8 _
-
-8 _ _  1 _ _  _ 3 _
-_ _ _  9 _ 5  _ _ _
-5 3 7  _ 6 _  _ _ _
-
-_ 8 _  _ _ _  7 _ _
-_ _ 2  _ _ _  6 _ _
-_ _ 4  _ _ _  9 _ _
-
-SOLUTION:
-4 1 6  3 8 9  5 7 2
-7 2 8  5 1 4  3 9 6
-3 9 5  2 7 6  1 8 4
-
-8 6 9  1 2 7  4 3 5
-2 4 1  9 3 5  8 6 7
-5 3 7  4 6 8  2 1 9
-
-9 8 3  6 4 2  7 5 1
-1 5 2  7 9 3  6 4 8
-6 7 4  8 5 1  9 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,null,null,2,null,3,null,8,null,null,null,3,null,null,0,null,null,null,7,1,null,null,5,null,null,null,null,3,6,null,null,null,4,null,null,4,null,null,null,null,2,null,7,null,null,6,null,1,7,null,null,null,null,3,null,null,null,0,null,null,6,null,null,null,null,null,null,null,null,null,0,null,null,5,null,null,3,null,null],"solution":[4,6,0,8,5,2,7,3,1,8,5,1,7,3,4,6,0,2,3,2,7,1,0,6,5,8,4,7,8,3,6,2,5,1,4,0,1,4,5,0,8,3,2,6,7,2,0,6,4,1,7,8,5,3,5,3,8,2,7,0,4,1,6,6,1,2,3,4,8,0,7,5,0,7,4,5,6,1,3,2,8]}
-PUZZLE:
-_ 7 _  _ _ 3  _ 4 _
-9 _ _  _ 4 _  _ 1 _
-_ _ 8  2 _ _  6 _ _
-
-_ _ 4  7 _ _  _ 5 _
-_ 5 _  _ _ _  3 _ 8
-_ _ 7  _ 2 8  _ _ _
-
-_ 4 _  _ _ 1  _ _ 7
-_ _ _  _ _ _  _ _ _
-1 _ _  6 _ _  4 _ _
-
-SOLUTION:
-5 7 1  9 6 3  8 4 2
-9 6 2  8 4 5  7 1 3
-4 3 8  2 1 7  6 9 5
-
-8 9 4  7 3 6  2 5 1
-2 5 6  1 9 4  3 7 8
-3 1 7  5 2 8  9 6 4
-
-6 4 9  3 8 1  5 2 7
-7 2 3  4 5 9  1 8 6
-1 8 5  6 7 2  4 3 9
-
-RATING: 2
-DATA:
-{"puzzle":[5,7,null,null,8,null,3,null,4,1,null,null,3,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,4,6,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,3,null,null,8,null,1,5,null,0,null,8,null,null,null,null,7,null,null,5,null,null,null,4,6,null,null,null,null,null,6,null,2,null,null],"solution":[5,7,0,6,8,1,3,2,4,1,6,2,3,4,0,7,5,8,4,3,8,2,5,7,1,0,6,8,4,6,1,2,5,0,7,3,7,5,1,0,3,6,8,4,2,0,2,3,4,7,8,6,1,5,6,0,4,8,1,2,5,3,7,2,8,5,7,0,3,4,6,1,3,1,7,5,6,4,2,8,0]}
-PUZZLE:
-6 8 _  _ 9 _  4 _ 5
-2 _ _  4 _ 1  _ _ _
-_ _ _  _ _ _  _ _ _
-
-_ 5 7  _ 3 _  _ _ _
-_ _ _  _ _ _  _ _ _
-1 _ 4  _ _ 9  _ 2 6
-
-_ 1 _  9 _ _  _ _ 8
-_ _ 6  _ _ _  5 7 _
-_ _ _  _ 7 _  3 _ _
-
-SOLUTION:
-6 8 1  7 9 2  4 3 5
-2 7 3  4 5 1  8 6 9
-5 4 9  3 6 8  2 1 7
-
-9 5 7  2 3 6  1 8 4
-8 6 2  1 4 7  9 5 3
-1 3 4  5 8 9  7 2 6
-
-7 1 5  9 2 3  6 4 8
-3 9 6  8 1 4  5 7 2
-4 2 8  6 7 5  3 9 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,5,2,null,null,null,7,null,null,null,1,7,null,0,3,null,null,5,null,null,null,8,null,null,null,2,6,null,null,5,null,null,0,null,null,null,null,null,4,0,null,null,null,null,null,4,7,null,null,2,null,null,6,null,null,8,null,null,null,2,null,null,null,2,null,null,null,null,6,3,null,4,null,null,null,null,null,null,null],"solution":[4,1,0,5,2,3,6,8,7,8,2,6,1,7,4,0,3,5,7,5,3,0,6,8,1,4,2,2,6,7,3,5,1,4,0,8,1,8,5,2,4,0,3,7,6,3,0,4,7,8,6,2,5,1,6,3,1,8,0,7,5,2,4,0,7,2,4,1,5,8,6,3,5,4,8,6,3,2,7,1,0]}
-PUZZLE:
-_ _ _  6 3 _  _ _ 8
-_ _ _  2 8 _  1 4 _
-_ 6 _  _ _ 9  _ _ _
-
-3 7 _  _ 6 _  _ 1 _
-_ _ _  _ 5 1  _ _ _
-_ _ 5  8 _ _  3 _ _
-
-7 _ _  9 _ _  _ 3 _
-_ _ 3  _ _ _  _ 7 4
-_ 5 _  _ _ _  _ _ _
-
-SOLUTION:
-5 2 1  6 3 4  7 9 8
-9 3 7  2 8 5  1 4 6
-8 6 4  1 7 9  2 5 3
-
-3 7 8  4 6 2  5 1 9
-2 9 6  3 5 1  4 8 7
-4 1 5  8 9 7  3 6 2
-
-7 4 2  9 1 8  6 3 5
-1 8 3  5 2 6  9 7 4
-6 5 9  7 4 3  8 2 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[4,null,3,null,null,7,6,1,8,null,null,null,null,8,null,null,null,null,null,null,null,5,null,null,4,3,null,0,null,7,null,null,null,1,8,null,null,null,5,null,1,null,null,6,null,null,null,null,null,null,0,7,null,null,1,2,null,null,5,3,null,null,null,null,null,8,null,null,null,null,null,null,3,null,null,null,null,null,0,null,null],"solution":[4,5,3,2,0,7,6,1,8,6,1,2,3,8,4,5,0,7,7,8,0,5,6,1,4,3,2,0,3,7,6,2,5,1,8,4,2,4,5,7,1,8,3,6,0,8,6,1,4,3,0,7,2,5,1,2,4,0,5,3,8,7,6,5,0,8,1,7,6,2,4,3,3,7,6,8,4,2,0,5,1]}
-PUZZLE:
-5 _ 4  _ _ 8  7 2 9
-_ _ _  _ 9 _  _ _ _
-_ _ _  6 _ _  5 4 _
-
-1 _ 8  _ _ _  2 9 _
-_ _ 6  _ 2 _  _ 7 _
-_ _ _  _ _ 1  8 _ _
-
-2 3 _  _ 6 4  _ _ _
-_ _ 9  _ _ _  _ _ _
-4 _ _  _ _ _  1 _ _
-
-SOLUTION:
-5 6 4  3 1 8  7 2 9
-7 2 3  4 9 5  6 1 8
-8 9 1  6 7 2  5 4 3
-
-1 4 8  7 3 6  2 9 5
-3 5 6  8 2 9  4 7 1
-9 7 2  5 4 1  8 3 6
-
-2 3 5  1 6 4  9 8 7
-6 1 9  2 8 7  3 5 4
-4 8 7  9 5 3  1 6 2
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,null,1,null,null,8,null,null,null,null,8,null,null,null,null,2,7,null,1,null,null,6,null,null,null,null,null,null,null,6,8,null,null,null,null,null,7,null,null,5,null,null,null,2,null,6,null,null,null,7,null,3,null,null,8,null,null,null,2,null,0,null,null,null,null,null,1,3,null,null,null,null,null,null,0,null,null,null,null,3],"solution":[5,3,7,1,2,0,8,4,6,6,0,8,4,3,5,1,2,7,4,1,2,7,6,8,3,5,0,3,2,0,6,8,4,7,1,5,8,7,4,3,5,1,0,6,2,1,6,5,2,0,7,4,3,8,7,8,3,5,4,2,6,0,1,0,5,6,8,1,3,2,7,4,2,4,1,0,7,6,5,8,3]}
-PUZZLE:
-6 _ _  2 _ _  9 _ _
-_ _ 9  _ _ _  _ 3 8
-_ 2 _  _ 7 _  _ _ _
-
-_ _ _  7 9 _  _ _ _
-_ 8 _  _ 6 _  _ _ 3
-_ 7 _  _ _ 8  _ 4 _
-
-_ 9 _  _ _ 3  _ 1 _
-_ _ _  _ 2 4  _ _ _
-_ _ _  1 _ _  _ _ 4
-
-SOLUTION:
-6 4 8  2 3 1  9 5 7
-7 1 9  5 4 6  2 3 8
-5 2 3  8 7 9  4 6 1
-
-4 3 1  7 9 5  8 2 6
-9 8 5  4 6 2  1 7 3
-2 7 6  3 1 8  5 4 9
-
-8 9 4  6 5 3  7 1 2
-1 6 7  9 2 4  3 8 5
-3 5 2  1 8 7  6 9 4
-
-RATING: 2
-DATA:
-{"puzzle":[7,2,null,null,8,6,null,null,null,null,null,6,null,null,null,null,null,5,null,0,null,2,null,null,null,null,null,null,null,4,6,3,null,5,7,null,null,null,null,4,1,null,6,3,null,null,null,null,null,null,null,4,null,8,6,null,null,null,5,null,null,null,0,null,1,null,null,null,null,null,null,null,null,null,null,3,2,null,null,null,null],"solution":[7,2,5,1,8,6,0,4,3,1,4,6,7,0,3,2,8,5,8,0,3,2,4,5,1,6,7,2,8,4,6,3,0,5,7,1,0,5,7,4,1,8,6,3,2,3,6,1,5,7,2,4,0,8,6,3,2,8,5,4,7,1,0,5,1,8,0,6,7,3,2,4,4,7,0,3,2,1,8,5,6]}
-PUZZLE:
-8 3 _  _ 9 7  _ _ _
-_ _ 7  _ _ _  _ _ 6
-_ 1 _  3 _ _  _ _ _
-
-_ _ 5  7 4 _  6 8 _
-_ _ _  5 2 _  7 4 _
-_ _ _  _ _ _  5 _ 9
-
-7 _ _  _ 6 _  _ _ 1
-_ 2 _  _ _ _  _ _ _
-_ _ _  4 3 _  _ _ _
-
-SOLUTION:
-8 3 6  2 9 7  1 5 4
-2 5 7  8 1 4  3 9 6
-9 1 4  3 5 6  2 7 8
-
-3 9 5  7 4 1  6 8 2
-1 6 8  5 2 9  7 4 3
-4 7 2  6 8 3  5 1 9
-
-7 4 3  9 6 5  8 2 1
-6 2 9  1 7 8  4 3 5
-5 8 1  4 3 2  9 6 7
-
-RATING: 0
-DATA:
-{"puzzle":[0,7,null,null,null,null,null,null,null,2,null,1,null,null,null,null,null,null,null,null,null,null,6,1,2,8,null,null,null,null,null,null,null,0,null,null,7,4,null,3,8,null,null,null,null,null,2,null,4,null,6,null,null,null,null,null,4,null,null,null,8,2,null,null,null,null,5,null,null,null,6,null,1,null,null,null,null,2,null,0,null],"solution":[0,7,8,2,5,3,6,1,4,2,6,1,8,7,4,5,3,0,4,3,5,0,6,1,2,8,7,8,1,3,7,2,5,0,4,6,7,4,6,3,8,0,1,5,2,5,2,0,4,1,6,3,7,8,6,5,4,1,0,7,8,2,3,3,0,2,5,4,8,7,6,1,1,8,7,6,3,2,4,0,5]}
-PUZZLE:
-1 8 _  _ _ _  _ _ _
-3 _ 2  _ _ _  _ _ _
-_ _ _  _ 7 2  3 9 _
-
-_ _ _  _ _ _  1 _ _
-8 5 _  4 9 _  _ _ _
-_ 3 _  5 _ 7  _ _ _
-
-_ _ 5  _ _ _  9 3 _
-_ _ _  6 _ _  _ 7 _
-2 _ _  _ _ 3  _ 1 _
-
-SOLUTION:
-1 8 9  3 6 4  7 2 5
-3 7 2  9 8 5  6 4 1
-5 4 6  1 7 2  3 9 8
-
-9 2 4  8 3 6  1 5 7
-8 5 7  4 9 1  2 6 3
-6 3 1  5 2 7  4 8 9
-
-7 6 5  2 1 8  9 3 4
-4 1 3  6 5 9  8 7 2
-2 9 8  7 4 3  5 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,4,null,null,0,null,2,null,8,null,0,null,null,null,1,1,null,null,5,null,3,null,null,8,null,null,null,null,7,6,null,null,null,null,6,null,null,1,null,0,null,3,null,null,0,null,null,null,5,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,3,8,null,null,2,8,null,null,null,null,null,null,5,null],"solution":[3,7,6,8,4,1,2,0,5,2,5,8,6,0,7,3,4,1,1,0,4,5,2,3,7,6,8,5,8,3,0,7,6,1,2,4,7,6,2,4,1,5,0,8,3,4,1,0,3,8,2,5,7,6,6,2,7,1,5,4,8,3,0,0,4,5,7,3,8,6,1,2,8,3,1,2,6,0,4,5,7]}
-PUZZLE:
-_ _ _  _ 5 _  _ 1 _
-3 _ 9  _ 1 _  _ _ 2
-2 _ _  6 _ 4  _ _ 9
-
-_ _ _  _ 8 7  _ _ _
-_ 7 _  _ 2 _  1 _ 4
-_ _ 1  _ _ _  6 _ _
-
-_ _ _  _ _ _  _ 4 _
-_ _ _  _ 4 9  _ _ 3
-9 _ _  _ _ _  _ 6 _
-
-SOLUTION:
-4 8 7  9 5 2  3 1 6
-3 6 9  7 1 8  4 5 2
-2 1 5  6 3 4  8 7 9
-
-6 9 4  1 8 7  2 3 5
-8 7 3  5 2 6  1 9 4
-5 2 1  4 9 3  6 8 7
-
-7 3 8  2 6 5  9 4 1
-1 5 6  8 4 9  7 2 3
-9 4 2  3 7 1  5 6 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,3,null,null,null,null,null,8,7,4,null,0,null,null,6,null,1,2,null,null,null,null,null,null,null,null,4,null,6,null,null,null,null,null,null,8,7,null,null,4,3,null,null,null,null,1,null,8,5,null,null,4,7,1,0,null,null,null,8,null,2,null,null,null,7,null,null,null,3,null,null,null,null,null,null],"solution":[2,7,8,5,4,0,6,3,1,3,5,1,6,8,7,4,2,0,0,4,6,3,1,2,8,5,7,8,1,7,0,5,4,3,6,2,6,2,0,1,3,8,7,4,5,4,3,5,7,2,6,1,0,8,5,6,2,4,7,1,0,8,3,1,8,4,2,0,3,5,7,6,7,0,3,8,6,5,2,1,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 4 _
-_ _ _  _ 9 8  5 _ 1
-_ _ 7  _ 2 3  _ _ _
-
-_ _ _  _ _ 5  _ 7 _
-_ _ _  _ _ 9  8 _ _
-5 4 _  _ _ _  2 _ 9
-
-6 _ _  5 8 2  1 _ _
-_ 9 _  3 _ _  _ 8 _
-_ _ 4  _ _ _  _ _ _
-
-SOLUTION:
-3 8 9  6 5 1  7 4 2
-4 6 2  7 9 8  5 3 1
-1 5 7  4 2 3  9 6 8
-
-9 2 8  1 6 5  4 7 3
-7 3 1  2 4 9  8 5 6
-5 4 6  8 3 7  2 1 9
-
-6 7 3  5 8 2  1 9 4
-2 9 5  3 1 4  6 8 7
-8 1 4  9 7 6  3 2 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,6,null,4,null,null,null,null,null,null,7,null,null,null,null,null,null,8,0,null,null,1,3,8,null,null,null,null,null,null,null,null,null,null,null,null,7,null,1,null,null,null,null,null,null,null,4,null,3,null,null,1,6,null,null,null,null,null,null,7,null,null,3,null,null,null,5,null,null,4,null,null,5,null,null,null,0,1,8,null,null],"solution":[1,6,8,4,7,5,3,2,0,4,7,3,0,6,2,5,1,8,0,2,5,1,3,8,7,4,6,3,0,6,7,1,4,2,8,5,7,5,1,2,8,6,0,3,4,8,4,2,3,5,0,1,6,7,2,1,0,8,4,7,6,5,3,6,8,7,5,2,3,4,0,1,5,3,4,6,0,1,8,7,2]}
-PUZZLE:
-_ 7 _  5 _ _  _ _ _
-_ 8 _  _ _ _  _ _ 9
-1 _ _  2 4 9  _ _ _
-
-_ _ _  _ _ _  _ _ _
-8 _ 2  _ _ _  _ _ _
-_ 5 _  4 _ _  2 7 _
-
-_ _ _  _ _ 8  _ _ 4
-_ _ _  6 _ _  5 _ _
-6 _ _  _ 1 2  9 _ _
-
-SOLUTION:
-2 7 9  5 8 6  4 3 1
-5 8 4  1 7 3  6 2 9
-1 3 6  2 4 9  8 5 7
-
-4 1 7  8 2 5  3 9 6
-8 6 2  3 9 7  1 4 5
-9 5 3  4 6 1  2 7 8
-
-3 2 1  9 5 8  7 6 4
-7 9 8  6 3 4  5 1 2
-6 4 5  7 1 2  9 8 3
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,null,null,null,null,null,0,2,null,null,8,7,null,null,null,1,null,null,5,0,null,null,7,null,null,null,null,4,null,null,0,null,3,null,null,null,1,null,null,null,null,6,5,null,null,null,2,null,2,null,null,8,null,3,null,null,null,null,6,4,null,5,null,null,null,null,3,null,7,null,1,4,null,null,null],"solution":[6,0,5,4,7,8,2,1,3,4,3,1,0,2,5,6,8,7,7,2,8,1,3,6,5,0,4,5,7,2,3,0,1,4,6,8,0,4,3,6,8,2,1,7,5,8,1,6,5,4,7,3,2,0,2,5,0,8,6,3,7,4,1,1,6,4,7,5,0,8,3,2,3,8,7,2,1,4,0,5,6]}
-PUZZLE:
-_ _ 6  _ _ _  _ _ _
-_ _ _  1 3 _  _ 9 8
-_ _ _  2 _ _  6 1 _
-
-_ 8 _  _ _ _  5 _ _
-1 _ 4  _ _ _  2 _ _
-_ _ 7  6 _ _  _ 3 _
-
-3 _ _  9 _ 4  _ _ _
-_ 7 5  _ 6 _  _ _ _
-4 _ 8  _ 2 5  _ _ _
-
-SOLUTION:
-7 1 6  5 8 9  3 2 4
-5 4 2  1 3 6  7 9 8
-8 3 9  2 4 7  6 1 5
-
-6 8 3  4 1 2  5 7 9
-1 5 4  7 9 3  2 8 6
-9 2 7  6 5 8  4 3 1
-
-3 6 1  9 7 4  8 5 2
-2 7 5  8 6 1  9 4 3
-4 9 8  3 2 5  1 6 7
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,1,null,null,null,null,null,null,null,null,null,6,5,null,null,null,null,null,null,null,null,null,null,4,null,5,null,null,3,null,null,7,null,null,8,null,4,null,null,7,6,null,null,null,null,null,null,2,null,null,null,1,null,null,6,null,4,null,8,5,null,null,7,null,null,3,null,null,null,0,null,null,null,null,null,null,2,7,null],"solution":[0,2,8,1,7,4,3,6,5,3,4,1,8,6,5,0,2,7,6,5,7,2,0,3,1,4,8,5,6,2,3,8,1,7,0,4,8,1,4,0,5,7,6,3,2,7,3,0,4,2,6,5,8,1,1,0,6,7,4,2,8,5,3,2,7,5,6,3,8,4,1,0,4,8,3,5,1,0,2,7,6]}
-PUZZLE:
-1 _ _  2 _ _  _ _ _
-_ _ _  _ 7 6  _ _ _
-_ _ _  _ _ _  _ 5 _
-
-6 _ _  4 _ _  8 _ _
-9 _ 5  _ _ 8  7 _ _
-_ _ _  _ 3 _  _ _ 2
-
-_ _ 7  _ 5 _  9 6 _
-_ 8 _  _ 4 _  _ _ 1
-_ _ _  _ _ _  3 8 _
-
-SOLUTION:
-1 3 9  2 8 5  4 7 6
-4 5 2  9 7 6  1 3 8
-7 6 8  3 1 4  2 5 9
-
-6 7 3  4 9 2  8 1 5
-9 2 5  1 6 8  7 4 3
-8 4 1  5 3 7  6 9 2
-
-2 1 7  8 5 3  9 6 4
-3 8 6  7 4 9  5 2 1
-5 9 4  6 2 1  3 8 7
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,6,null,null,null,null,2,null,null,4,null,0,null,null,null,null,null,0,null,5,7,null,4,null,6,null,null,2,7,null,3,8,null,null,null,null,6,null,null,7,null,null,null,null,3,null,null,null,null,2,null,null,5,null,null,null,5,4,null,null,null,3,null,null,null,null,null,null,null,null,null,6,null,null,null,null,1,null,null,7],"solution":[1,7,6,8,5,3,4,2,0,2,4,3,0,1,6,5,7,8,0,8,5,7,2,4,3,6,1,5,2,7,4,3,8,1,0,6,4,6,0,1,7,5,8,3,2,3,1,8,6,0,2,7,4,5,8,0,2,5,4,7,6,1,3,7,5,1,3,6,0,2,8,4,6,3,4,2,8,1,0,5,7]}
-PUZZLE:
-_ _ 7  _ _ _  _ 3 _
-_ 5 _  1 _ _  _ _ _
-1 _ 6  8 _ 5  _ 7 _
-
-_ 3 8  _ 4 9  _ _ _
-_ 7 _  _ 8 _  _ _ _
-4 _ _  _ _ 3  _ _ 6
-
-_ _ _  6 5 _  _ _ 4
-_ _ _  _ _ _  _ _ _
-7 _ _  _ _ 2  _ _ 8
-
-SOLUTION:
+3 1 6  5 2 7  4 8 9
 2 8 7  9 6 4  5 3 1
-3 5 4  1 2 7  6 8 9
-1 9 6  8 3 5  4 7 2
+5 9 4  3 1 8  6 2 7
 
-6 3 8  5 4 9  2 1 7
-5 7 1  2 8 6  9 4 3
-4 2 9  7 1 3  8 5 6
+7 6 5  8 4 2  9 1 3
+8 2 9  6 3 1  7 4 5
+4 3 1  7 5 9  2 6 8
 
-9 1 3  6 5 8  7 2 4
-8 6 2  4 7 1  3 9 5
-7 4 5  3 9 2  1 6 8
+9 7 3  2 8 6  1 5 4
+1 5 2  4 7 3  8 9 6
+6 4 8  1 9 5  3 7 2
 
-RATING: 1.25
+RATING: 0
 DATA:
-{"puzzle":[null,null,null,2,null,null,8,null,7,4,7,null,null,null,8,null,null,0,null,2,null,null,1,4,null,null,5,null,4,6,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,3,null,null,null,null,null,2,null,null,null,null,null,7,6,null,null,3,5,null,null,null,6,null,null,null,null,null,0,8,null,null,null,null,null],"solution":[6,3,1,2,5,0,8,4,7,4,7,5,3,6,8,1,2,0,0,2,8,7,1,4,3,6,5,7,4,6,1,0,2,5,3,8,5,8,2,4,7,3,0,1,6,1,0,3,6,8,5,4,7,2,8,1,4,5,2,7,6,0,3,3,5,7,0,4,6,2,8,1,2,6,0,8,3,1,7,5,4]}
+{"puzzle":[null,null,null,null,1,null,6,7,null,null,null,null,7,null,6,null,null,2,4,null,null,3,2,null,null,null,1,null,null,7,null,null,0,8,null,null,null,1,null,6,null,null,7,null,5,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,5,null,null,4,8,null,null,null,2,null,null,null,null,null,5,4,0],"solution":[5,8,2,0,1,4,6,7,3,1,0,3,7,8,6,4,5,2,4,7,6,3,2,5,0,8,1,3,2,7,4,5,0,8,1,6,8,1,4,6,3,2,7,0,5,0,6,5,8,7,1,3,2,4,7,4,1,5,0,3,2,6,8,6,5,0,2,4,8,1,3,7,2,3,8,1,6,7,5,4,0]}
 PUZZLE:
-_ _ _  3 _ _  9 _ 8
-5 8 _  _ _ 9  _ _ 1
-_ 3 _  _ 2 5  _ _ 6
+_ _ _  _ 2 _  7 8 _
+_ _ _  8 _ 7  _ _ 3
+5 _ _  4 3 _  _ _ 2
+
+_ _ 8  _ _ 1  9 _ _
+_ 2 _  7 _ _  8 _ 6
+_ _ _  _ _ _  _ 3 _
 
-_ 5 7  _ 1 _  _ _ _
 _ _ _  _ _ _  _ _ _
-2 _ 4  _ _ _  _ _ 3
-
-_ _ _  _ _ 8  7 _ _
-4 6 _  _ _ 7  _ _ _
-_ _ 1  9 _ _  _ _ _
+_ 6 _  _ 5 9  _ _ _
+3 _ _  _ _ _  6 5 1
 
 SOLUTION:
-7 4 2  3 6 1  9 5 8
-5 8 6  4 7 9  2 3 1
-1 3 9  8 2 5  4 7 6
+6 9 3  1 2 5  7 8 4
+2 1 4  8 9 7  5 6 3
+5 8 7  4 3 6  1 9 2
 
-8 5 7  2 1 3  6 4 9
-6 9 3  5 8 4  1 2 7
-2 1 4  7 9 6  5 8 3
+4 3 8  5 6 1  9 2 7
+9 2 5  7 4 3  8 1 6
+1 7 6  9 8 2  4 3 5
 
-9 2 5  6 3 8  7 1 4
-4 6 8  1 5 7  3 9 2
-3 7 1  9 4 2  8 6 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,7,null,6,null,null,null,null,6,3,null,null,null,5,null,null,8,null,null,null,null,null,3,null,null,null,null,null,1,5,null,null,null,3,null,null,null,3,0,null,2,7,null,7,null,null,null,null,2,8,null,null,null,0,null,null,null,null,null,null,2,null,null,null,8,null,1,null,null,null,5,null,null,null,4,null,null,1,null],"solution":[0,5,4,7,3,6,1,2,8,1,6,3,2,8,0,5,4,7,8,2,7,5,1,4,3,6,0,2,4,8,1,5,7,6,0,3,6,1,5,3,0,8,2,7,4,7,3,0,4,6,2,8,5,1,3,0,1,6,7,5,4,8,2,4,7,6,8,2,1,0,3,5,5,8,2,0,4,3,7,1,6]}
-PUZZLE:
-_ _ _  8 _ 7  _ _ _
-_ 7 4  _ _ _  6 _ _
-9 _ _  _ _ _  4 _ _
-
-_ _ _  2 6 _  _ _ 4
-_ _ _  4 1 _  3 8 _
-8 _ _  _ _ 3  9 _ _
-
-_ 1 _  _ _ _  _ _ 3
-_ _ _  9 _ 2  _ _ _
-6 _ _  _ 5 _  _ 2 _
-
-SOLUTION:
-1 6 5  8 4 7  2 3 9
-2 7 4  3 9 1  6 5 8
-9 3 8  6 2 5  4 7 1
-
-3 5 9  2 6 8  7 1 4
-7 2 6  4 1 9  3 8 5
-8 4 1  5 7 3  9 6 2
-
-4 1 2  7 8 6  5 9 3
-5 8 7  9 3 2  1 4 6
-6 9 3  1 5 4  8 2 7
+8 5 2  6 1 4  3 7 9
+7 6 1  3 5 9  2 4 8
+3 4 9  2 7 8  6 5 1
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,null,null,4,null,null,null,null,5,8,null,2,3,null,7,null,7,null,1,5,null,8,null,2,null,null,null,null,null,null,7,null,4,null,5,null,null,null,null,null,6,null,8,null,0,6,null,null,null,null,1,null,6,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,4,8,0,null,null,null],"solution":[2,8,1,0,3,7,4,5,6,6,0,5,8,4,2,3,1,7,4,7,3,1,5,6,8,0,2,1,3,6,2,0,5,7,8,4,7,5,4,3,1,8,2,6,0,8,2,0,6,7,4,5,3,1,0,6,7,5,2,3,1,4,8,3,4,8,7,6,1,0,2,5,5,1,2,4,8,0,6,7,3]}
+{"puzzle":[8,null,null,null,null,null,7,null,6,null,null,null,5,6,null,null,4,null,null,null,null,null,4,null,null,null,2,null,7,null,null,null,4,8,null,null,4,null,null,null,null,0,null,null,null,null,null,null,null,2,null,null,null,0,null,null,null,null,1,3,null,null,null,7,null,null,null,null,null,0,null,5,null,null,0,null,null,5,null,2,null],"solution":[8,4,5,2,0,1,7,3,6,2,0,3,5,6,7,1,4,8,6,1,7,3,4,8,5,0,2,0,7,2,1,5,4,8,6,3,4,6,8,7,3,0,2,5,1,3,5,1,8,2,6,4,7,0,5,2,4,0,1,3,6,8,7,7,3,6,4,8,2,0,1,5,1,8,0,6,7,5,3,2,4]}
 PUZZLE:
-_ _ _  _ _ _  5 _ _
-_ _ 6  9 _ 3  4 _ 8
-_ 8 _  2 6 _  9 _ 3
+9 _ _  _ _ _  8 _ 7
+_ _ _  6 7 _  _ 5 _
+_ _ _  _ 5 _  _ _ 3
 
-_ _ _  _ _ _  8 _ 5
-_ 6 _  _ _ _  _ 7 _
-9 _ 1  7 _ _  _ _ 2
-
-_ 7 _  _ _ 4  _ _ _
-_ _ _  _ _ _  _ _ 6
-_ _ _  5 9 1  _ _ _
-
-SOLUTION:
-3 9 2  1 4 8  5 6 7
-7 1 6  9 5 3  4 2 8
-5 8 4  2 6 7  9 1 3
-
-2 4 7  3 1 6  8 9 5
-8 6 5  4 2 9  3 7 1
-9 3 1  7 8 5  6 4 2
-
-1 7 8  6 3 4  2 5 9
-4 5 9  8 7 2  1 3 6
-6 2 3  5 9 1  7 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,7,4,null,null,6,0,null,null,null,null,null,2,null,null,null,null,8,null,null,null,null,null,null,6,8,null,null,null,null,7,4,7,3,null,6,1,null,null,null,null,1,null,null,5,null,null,2,null,null,null,null,null,4,7,null,5,null,6,null,null,null,null,null,null,null,null,null,4,null,6,null,null,1,8,null],"solution":[8,2,5,3,0,6,7,4,1,1,6,0,4,7,5,8,3,2,7,3,4,1,8,2,0,6,5,2,5,6,8,3,0,4,1,7,4,7,3,2,6,1,5,0,8,0,1,8,7,5,4,6,2,3,3,8,1,0,4,7,2,5,6,6,0,2,5,1,8,3,7,4,5,4,7,6,2,3,1,8,0]}
-PUZZLE:
-_ _ _  _ _ _  8 5 _
-_ 7 1  _ _ _  _ _ 3
-_ _ _  _ 9 _  _ _ _
-
-_ _ 7  9 _ _  _ _ 8
-5 8 4  _ 7 2  _ _ _
-_ 2 _  _ 6 _  _ 3 _
-
-_ _ _  _ 5 8  _ 6 _
-7 _ _  _ _ _  _ _ _
-_ 5 _  7 _ _  2 9 _
-
-SOLUTION:
-9 3 6  4 1 7  8 5 2
-2 7 1  5 8 6  9 4 3
-8 4 5  2 9 3  1 7 6
-
-3 6 7  9 4 1  5 2 8
-5 8 4  3 7 2  6 1 9
-1 2 9  8 6 5  7 3 4
-
-4 9 2  1 5 8  3 6 7
-7 1 3  6 2 9  4 8 5
-6 5 8  7 3 4  2 9 1
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,8,null,null,null,0,null,7,null,0,null,1,null,null,null,6,2,null,null,null,4,null,null,null,5,1,null,null,null,null,null,null,null,0,null,null,null,null,null,1,7,6,4,null,null,null,2,null,null,5,null,null,null,null,null,4,7,null,6,null,null,null,null,2,null,null,null,null,null,null,null,5,7,null,null,null,null,null,1,null],"solution":[4,1,8,6,5,2,0,3,7,3,0,5,1,7,8,4,6,2,2,6,7,4,0,3,8,5,1,7,5,1,3,6,4,2,0,8,8,3,0,2,1,7,6,4,5,6,4,2,0,8,5,1,7,3,1,8,4,7,3,6,5,2,0,0,2,3,5,4,1,7,8,6,5,7,6,8,2,0,3,1,4]}
-PUZZLE:
-_ _ 9  _ _ _  1 _ 8
-_ 1 _  2 _ _  _ 7 3
-_ _ _  5 _ _  _ 6 2
-
-_ _ _  _ _ _  _ 1 _
-_ _ _  _ 2 8  7 5 _
-_ _ 3  _ _ 6  _ _ _
-
-_ _ 5  8 _ 7  _ _ _
-_ 3 _  _ _ _  _ _ _
-6 8 _  _ _ _  _ 2 _
-
-SOLUTION:
-5 2 9  7 6 3  1 4 8
-4 1 6  2 8 9  5 7 3
-3 7 8  5 1 4  9 6 2
-
-8 6 2  4 7 5  3 1 9
-9 4 1  3 2 8  7 5 6
-7 5 3  1 9 6  2 8 4
-
-2 9 5  8 4 7  6 3 1
-1 3 4  6 5 2  8 9 7
-6 8 7  9 3 1  4 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[0,6,null,7,null,null,3,null,null,7,null,3,null,5,null,null,6,null,null,null,null,null,2,null,7,null,null,null,3,null,8,null,null,5,1,null,null,4,5,3,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,5,7,null,8,null,null,null,2,null,null,0,null,null,0,5,null,null,null,null,null],"solution":[0,6,2,7,8,1,3,4,5,7,1,3,0,5,4,2,6,8,4,5,8,6,2,3,7,0,1,2,3,7,8,6,0,5,1,4,8,4,5,3,1,7,0,2,6,6,0,1,2,4,5,8,7,3,3,2,6,4,0,8,1,5,7,5,8,4,1,7,2,6,3,0,1,7,0,5,3,6,4,8,2]}
-PUZZLE:
-1 7 _  8 _ _  4 _ _
-8 _ 4  _ 6 _  _ 7 _
-_ _ _  _ 3 _  8 _ _
-
-_ 4 _  9 _ _  6 2 _
-_ 5 6  4 _ _  _ _ _
-7 _ _  _ _ _  _ _ _
-
-_ _ _  5 _ _  _ 6 8
-_ 9 _  _ _ 3  _ _ 1
-_ _ 1  6 _ _  _ _ _
-
-SOLUTION:
-1 7 3  8 9 2  4 5 6
-8 2 4  1 6 5  3 7 9
-5 6 9  7 3 4  8 1 2
-
-3 4 8  9 7 1  6 2 5
-9 5 6  4 2 8  1 3 7
-7 1 2  3 5 6  9 8 4
-
-4 3 7  5 1 9  2 6 8
-6 9 5  2 8 3  7 4 1
-2 8 1  6 4 7  5 9 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,5,2,null,7,null,null,0,null,7,null,null,null,null,null,null,1,5,null,4,null,null,null,8,null,null,null,4,null,null,null,3,null,null,7,null,null,3,1,2,6,null,2,null,3,null,7,null,0,null,null,null,null,0,1,null,null,null,null,null,1,6,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null],"solution":[4,3,6,8,5,2,1,7,0,8,0,2,7,1,3,4,5,6,7,1,5,0,4,6,3,2,8,6,5,1,4,2,0,8,3,7,0,7,8,5,3,1,2,6,4,2,4,3,6,7,8,0,1,5,5,2,0,1,6,4,7,8,3,1,6,4,3,8,7,5,0,2,3,8,7,2,0,5,6,4,1]}
-PUZZLE:
-_ _ _  _ 6 3  _ 8 _
-_ 1 _  8 _ _  _ _ _
-_ 2 6  _ 5 _  _ _ 9
-
-_ _ _  5 _ _  _ 4 _
-_ 8 _  _ 4 2  3 7 _
-3 _ 4  _ 8 _  1 _ _
-
-_ _ 1  2 _ _  _ _ _
-2 7 _  _ _ _  _ _ _
-_ _ _  _ _ _  _ 5 _
-
-SOLUTION:
-5 4 7  9 6 3  2 8 1
-9 1 3  8 2 4  5 6 7
-8 2 6  1 5 7  4 3 9
-
-7 6 2  5 3 1  9 4 8
-1 8 9  6 4 2  3 7 5
-3 5 4  7 8 9  1 2 6
-
-6 3 1  2 7 5  8 9 4
-2 7 5  4 9 8  6 1 3
-4 9 8  3 1 6  7 5 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,2,1,null,5,null,null,null,6,null,6,null,null,null,null,2,null,null,5,null,null,6,null,null,1,3,0,null,null,null,null,null,null,null,8,null,4,null,3,null,0,null,null,null,null,null,null,null,7,null,2,4,null,null,null,0,null,null,null,4,null,null,null,null,null,8,null,null,5,null,7,null,null,null,null,2,null,8,null,null,null],"solution":[7,2,1,3,5,0,8,4,6,3,6,0,4,8,1,2,5,7,5,8,4,6,2,7,1,3,0,0,7,2,5,4,3,6,8,1,4,1,3,8,0,6,7,2,5,8,5,6,7,1,2,4,0,3,2,0,7,1,3,4,5,6,8,1,4,8,0,6,5,3,7,2,6,3,5,2,7,8,0,1,4]}
-PUZZLE:
-_ 3 2  _ 6 _  _ _ 7
-_ 7 _  _ _ _  3 _ _
-6 _ _  7 _ _  2 4 1
-
-_ _ _  _ _ _  _ 9 _
-5 _ 4  _ 1 _  _ _ _
-_ _ _  8 _ 3  5 _ _
-
-_ 1 _  _ _ 5  _ _ _
-_ _ 9  _ _ 6  _ 8 _
-_ _ _  3 _ 9  _ _ _
-
-SOLUTION:
-8 3 2  4 6 1  9 5 7
-4 7 1  5 9 2  3 6 8
-6 9 5  7 3 8  2 4 1
-
-1 8 3  6 5 4  7 9 2
-5 2 4  9 1 7  8 3 6
-9 6 7  8 2 3  5 1 4
-
-3 1 8  2 4 5  6 7 9
-2 5 9  1 7 6  4 8 3
-7 4 6  3 8 9  1 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,6,null,null,4,null,null,null,null,null,null,7,null,null,0,6,0,8,3,null,null,null,1,null,3,null,null,null,0,2,null,null,null,null,6,null,null,null,3,0,null,null,null,null,4,null,null,null,null,null,6,null,3,2,null,null,null,1,6,5,null,5,null,null,1,null,null,null,null,null,null,null,null,null,null,null,7,null],"solution":[2,1,7,0,6,8,5,4,3,5,4,3,1,2,7,6,8,0,6,0,8,3,4,5,2,1,7,3,7,1,6,0,2,8,5,4,8,6,5,4,7,3,0,2,1,0,2,4,8,5,1,7,3,6,4,3,2,7,8,0,1,6,5,7,5,6,2,1,4,3,0,8,1,8,0,5,3,6,4,7,2]}
-PUZZLE:
-_ 2 _  _ 7 _  _ 5 _
-_ _ _  _ _ 8  _ _ 1
-7 1 9  4 _ _  _ 2 _
-
-4 _ _  _ 1 3  _ _ _
-_ 7 _  _ _ 4  1 _ _
-_ _ 5  _ _ _  _ _ 7
-
-_ 4 3  _ _ _  2 7 6
-_ 6 _  _ 2 _  _ _ _
-_ _ _  _ _ _  _ 8 _
-
-SOLUTION:
-3 2 8  1 7 9  6 5 4
-6 5 4  2 3 8  7 9 1
-7 1 9  4 5 6  3 2 8
-
-4 8 2  7 1 3  9 6 5
-9 7 6  5 8 4  1 3 2
-1 3 5  9 6 2  8 4 7
-
-5 4 3  8 9 1  2 7 6
-8 6 7  3 2 5  4 1 9
-2 9 1  6 4 7  5 8 3
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,8,null,1,null,null,3,null,0,null,null,6,null,1,null,null,null,null,8,null,null,null,2,6,null,8,null,6,1,0,null,3,null,null,1,null,7,2,8,null,null,null,null,4,null,null,null,null,null,null,8,null,null,null,1,null,null,null,null,null,null,0,7,null,6,null,null,null,null,null,3,null,4,null,null,null,null,2,0],"solution":[6,4,2,8,7,1,0,5,3,7,0,3,5,6,2,1,4,8,5,1,8,4,3,0,2,6,7,8,5,6,1,0,4,3,7,2,1,3,7,2,8,6,4,0,5,4,2,0,3,5,7,6,8,1,2,8,1,0,4,5,7,3,6,0,7,5,6,2,3,8,1,4,3,6,4,7,1,8,5,2,0]}
-PUZZLE:
-_ _ _  9 _ 2  _ _ 4
-_ 1 _  _ 7 _  2 _ _
-_ _ 9  _ _ _  3 7 _
-
-9 _ 7  2 1 _  4 _ _
-2 _ 8  3 9 _  _ _ _
-5 _ _  _ _ _  _ 9 _
-
-_ _ 2  _ _ _  _ _ _
-1 8 _  7 _ _  _ _ _
-4 _ 5  _ _ _  _ 3 1
-
-SOLUTION:
-7 5 3  9 8 2  1 6 4
-8 1 4  6 7 3  2 5 9
-6 2 9  5 4 1  3 7 8
-
-9 6 7  2 1 5  4 8 3
-2 4 8  3 9 7  5 1 6
-5 3 1  4 6 8  7 9 2
-
-3 9 2  1 5 6  8 4 7
-1 8 6  7 3 4  9 2 5
-4 7 5  8 2 9  6 3 1
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,1,null,null,null,null,2,7,3,null,null,null,4,null,null,null,5,null,7,8,null,null,null,2,4,null,null,null,null,1,null,null,8,null,null,null,null,null,0,null,null,null,null,6,4,0,null,null,null,5,null,null,null,null,null,null,null,null,3,null,null,null,null,5,null,null,7,null,null,7,null,6,null,null,null,8,null],"solution":[6,3,8,5,4,1,7,0,2,1,2,7,3,6,0,5,4,8,4,0,5,2,7,8,3,1,6,2,4,0,8,3,5,1,6,7,8,5,3,7,1,6,0,2,4,7,1,6,4,0,2,8,3,5,0,6,4,1,8,7,2,5,3,3,8,2,0,5,4,6,7,1,5,7,1,6,2,3,4,8,0]}
-PUZZLE:
-_ _ _  _ _ 2  _ _ _
-_ 3 8  4 _ _  _ 5 _
-_ _ 6  _ 8 9  _ _ _
-
-3 5 _  _ _ _  2 _ _
-9 _ _  _ _ _  1 _ _
-_ _ 7  5 1 _  _ _ 6
-
-_ _ _  _ _ _  _ _ 4
-_ _ _  _ 6 _  _ 8 _
-_ 8 _  7 _ _  _ 9 _
-
-SOLUTION:
-7 4 9  6 5 2  8 1 3
-2 3 8  4 7 1  6 5 9
-5 1 6  3 8 9  4 2 7
-
-3 5 1  9 4 6  2 7 8
-9 6 4  8 2 7  1 3 5
-8 2 7  5 1 3  9 4 6
-
-1 7 5  2 9 8  3 6 4
-4 9 3  1 6 5  7 8 2
-6 8 2  7 3 4  5 9 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,null,1,null,null,null,4,null,3,null,null,null,null,null,null,null,null,5,null,7,null,3,2,null,null,4,2,null,null,null,8,null,0,null,null,null,0,null,8,null,null,null,null,null,null,null,null,6,null,null,3,null,null,null,null,null,null,null,null,8,null,null,7,5,null,null,null,1,null,null,3,null,null,null,null,7,4,null],"solution":[2,8,6,3,5,1,4,0,7,4,7,3,2,6,0,5,8,1,0,1,5,8,7,4,3,2,6,3,4,2,7,1,5,8,6,0,6,5,1,0,3,8,2,7,4,7,0,8,4,2,6,1,5,3,5,2,4,1,0,7,6,3,8,8,6,7,5,4,3,0,1,2,1,3,0,6,8,2,7,4,5]}
-PUZZLE:
-_ 9 _  _ _ 2  _ _ _
-5 _ 4  _ _ _  _ _ _
-_ _ 6  _ 8 _  4 3 _
-
-_ 5 3  _ _ _  9 _ 1
-_ _ _  1 _ 9  _ _ _
-_ _ _  _ _ 7  _ _ 4
-
-_ _ _  _ _ _  _ _ 9
-_ _ 8  6 _ _  _ 2 _
-_ 4 _  _ _ _  8 5 _
-
-SOLUTION:
-3 9 7  4 6 2  5 1 8
-5 8 4  3 7 1  6 9 2
-1 2 6  9 8 5  4 3 7
-
-4 5 3  8 2 6  9 7 1
-7 6 2  1 4 9  3 8 5
-8 1 9  5 3 7  2 6 4
-
-6 3 5  2 1 8  7 4 9
-9 7 8  6 5 4  1 2 3
-2 4 1  7 9 3  8 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,7,null,null,4,null,null,null,5,null,8,null,null,3,7,null,1,null,null,null,null,0,null,4,null,null,null,6,null,null,null,null,null,5,2,null,null,null,3,null,2,null,null,null,0,null,null,null,7,null,1,null,5,null,2,null,null,null,null,null,null,6,null,null],"solution":[3,2,5,7,0,1,8,6,4,0,4,8,6,5,3,7,2,1,7,1,6,4,2,8,0,5,3,8,6,2,3,7,0,1,4,5,1,5,0,8,4,2,3,7,6,4,7,3,1,6,5,2,8,0,5,3,1,2,8,6,4,0,7,6,8,7,0,1,4,5,3,2,2,0,4,5,3,7,6,1,8]}
-PUZZLE:
-_ 3 _  _ _ _  _ _ _
-_ _ _  _ 6 _  _ _ _
-8 _ _  5 _ _  _ 6 _
-
-9 _ _  4 8 _  2 _ _
-_ _ 1  _ 5 _  _ _ 7
-_ _ _  _ _ 6  3 _ _
-
-_ 4 _  3 _ _  _ 1 _
-_ _ 8  _ 2 _  6 _ 3
-_ _ _  _ _ _  7 _ _
-
-SOLUTION:
-4 3 6  8 1 2  9 7 5
-1 5 9  7 6 4  8 3 2
-8 2 7  5 3 9  1 6 4
-
-9 7 3  4 8 1  2 5 6
-2 6 1  9 5 3  4 8 7
-5 8 4  2 7 6  3 9 1
-
-6 4 2  3 9 7  5 1 8
-7 9 8  1 2 5  6 4 3
-3 1 5  6 4 8  7 2 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,7,null,null,null,null,6,null,0,null,null,null,null,null,null,null,null,null,3,null,1,0,null,null,null,null,4,null,null,null,2,1,4,8,null,null,7,null,null,null,null,null,2,null,null,null,null,null,3,null,null,5,1,null,null,null,3,1,6,null,0,null,2,null,null,null,4,null,null,null,null,null,2,6,null,7,null,null,null,null,null],"solution":[8,7,4,5,3,1,6,2,0,0,2,6,8,4,7,1,3,5,3,5,1,0,2,6,7,8,4,6,3,5,2,1,4,8,0,7,7,1,0,6,8,5,2,4,3,4,8,2,3,7,0,5,1,6,5,4,3,1,6,8,0,7,2,1,0,7,4,5,2,3,6,8,2,6,8,7,0,3,4,5,1]}
-PUZZLE:
-_ 8 _  _ _ _  7 _ 1
-_ _ _  _ _ _  _ _ _
-4 _ 2  1 _ _  _ _ 5
-
-_ _ _  3 2 5  9 _ _
-8 _ _  _ _ _  3 _ _
-_ _ _  4 _ _  6 2 _
-
-_ _ 4  2 7 _  1 _ 3
-_ _ _  5 _ _  _ _ _
-3 7 _  8 _ _  _ _ _
-
-SOLUTION:
-9 8 5  6 4 2  7 3 1
-1 3 7  9 5 8  2 4 6
-4 6 2  1 3 7  8 9 5
-
-7 4 6  3 2 5  9 1 8
-8 2 1  7 9 6  3 5 4
-5 9 3  4 8 1  6 2 7
-
-6 5 4  2 7 9  1 8 3
-2 1 8  5 6 3  4 7 9
-3 7 9  8 1 4  5 6 2
-
-RATING: 2
-DATA:
-{"puzzle":[null,2,3,null,null,6,null,null,null,1,null,null,null,4,null,null,null,null,null,null,null,null,0,null,5,null,null,null,3,null,null,null,null,null,null,4,null,null,null,5,null,null,8,2,3,4,null,null,0,null,null,null,null,null,5,null,6,null,1,null,null,null,null,null,null,null,null,7,null,null,null,null,8,1,null,null,null,3,null,6,null],"solution":[7,2,3,1,5,6,4,8,0,1,5,0,2,4,8,3,7,6,6,8,4,3,0,7,5,1,2,2,3,5,7,8,1,6,0,4,0,7,1,5,6,4,8,2,3,4,6,8,0,3,2,7,5,1,5,4,6,8,1,0,2,3,7,3,0,2,6,7,5,1,4,8,8,1,7,4,2,3,0,6,5]}
-PUZZLE:
-_ 3 4  _ _ 7  _ _ _
-2 _ _  _ 5 _  _ _ _
-_ _ _  _ 1 _  6 _ _
-
-_ 4 _  _ _ _  _ _ 5
-_ _ _  6 _ _  9 3 4
-5 _ _  1 _ _  _ _ _
-
-6 _ 7  _ 2 _  _ _ _
-_ _ _  _ 8 _  _ _ _
-9 2 _  _ _ 4  _ 7 _
-
-SOLUTION:
-8 3 4  2 6 7  5 9 1
-2 6 1  3 5 9  4 8 7
-7 9 5  4 1 8  6 2 3
-
-3 4 6  8 9 2  7 1 5
-1 8 2  6 7 5  9 3 4
-5 7 9  1 4 3  8 6 2
-
-6 5 7  9 2 1  3 4 8
-4 1 3  7 8 6  2 5 9
-9 2 8  5 3 4  1 7 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,2,6,null,null,null,null,null,null,1,null,5,null,2,null,null,6,null,null,null,null,7,null,null,3,2,null,0,6,null,null,8,null,null,8,2,7,null,null,null,null,6,5,null,null,null,8,null,null,4,null,null,null,null,5,null,4,null,null,null,8,null,null,null,null,null,null,null,null,6,7,null,null,0,null,null,null],"solution":[3,7,5,0,8,2,6,4,1,8,0,4,6,1,7,5,3,2,2,1,6,5,4,3,8,7,0,7,3,2,4,0,6,1,5,8,1,4,8,2,7,5,0,6,3,6,5,0,1,3,8,7,2,4,0,2,3,7,5,1,4,8,6,5,8,1,3,6,4,2,0,7,4,6,7,8,2,0,3,1,5]}
-PUZZLE:
-_ _ _  _ _ 3  7 _ _
-_ _ _  _ 2 _  6 _ 3
-_ _ 7  _ _ _  _ 8 _
-
-_ 4 3  _ 1 7  _ _ 9
-_ _ 9  3 8 _  _ _ _
-7 6 _  _ _ 9  _ _ 5
-
-_ _ _  _ 6 _  5 _ _
-_ 9 _  _ _ _  _ _ _
-_ 7 8  _ _ 1  _ _ _
-
-SOLUTION:
-4 8 6  1 9 3  7 5 2
-9 1 5  7 2 8  6 4 3
-3 2 7  6 5 4  9 8 1
-
-8 4 3  5 1 7  2 6 9
-2 5 9  3 8 6  1 7 4
-7 6 1  2 4 9  8 3 5
-
-1 3 4  8 6 2  5 9 7
-6 9 2  4 7 5  3 1 8
-5 7 8  9 3 1  4 2 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,8,4,null,null,null,null,null,null,null,5,null,null,null,7,3,null,null,4,null,null,8,6,3,6,null,4,null,null,null,null,7,null,1,null,5,null,null,null,null,null,null,null,null,6,null,null,1,null,8,null,null,null,null,2,null,null,null,null,null,5,3,7,null,null,null,0,null,6,8,null,null,null,null,2,null,null],"solution":[0,2,5,3,6,8,4,7,1,8,4,6,1,7,5,3,2,0,7,3,1,2,4,0,5,8,6,3,6,2,4,8,1,0,5,7,4,1,8,5,0,7,6,3,2,5,7,0,6,3,2,1,4,8,1,0,4,8,2,3,7,6,5,2,5,3,7,1,6,8,0,4,6,8,7,0,5,4,2,1,3]}
-PUZZLE:
-_ _ 6  _ _ 9  5 _ _
-_ _ _  _ _ 6  _ _ _
-8 4 _  _ 5 _  _ 9 7
-
-4 7 _  5 _ _  _ _ 8
-_ 2 _  6 _ _  _ _ _
-_ _ _  7 _ _  2 _ 9
-
-_ _ _  _ 3 _  _ _ _
-_ 6 4  8 _ _  _ 1 _
-7 9 _  _ _ _  3 _ _
-
-SOLUTION:
-1 3 6  4 7 9  5 8 2
-9 5 7  2 8 6  4 3 1
-8 4 2  3 5 1  6 9 7
-
-4 7 3  5 9 2  1 6 8
-5 2 9  6 1 8  7 4 3
-6 8 1  7 4 3  2 5 9
-
-2 1 5  9 3 4  8 7 6
-3 6 4  8 2 7  9 1 5
-7 9 8  1 6 5  3 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,3,8,null,5,8,0,null,null,5,null,null,null,6,null,null,null,null,null,null,4,null,2,null,2,null,null,null,null,null,null,null,null,null,1,null,null,null,6,null,null,3,5,null,0,null,null,null,null,null,null,4,6,null,null,0,null,null,null,null,null,null,null,2,null,null,1,null,null,null,7,null,null,4,null,null,null],"solution":[7,1,4,2,6,3,8,0,5,8,0,2,4,5,7,1,3,6,5,6,3,8,0,1,4,7,2,6,2,0,1,4,5,3,8,7,4,7,1,3,8,2,6,5,0,3,5,8,0,7,6,2,4,1,1,4,6,7,3,0,5,2,8,0,3,5,6,2,8,7,1,4,2,8,7,5,1,4,0,6,3]}
-PUZZLE:
-_ _ 5  _ _ 4  9 _ 6
-9 1 _  _ 6 _  _ _ 7
-_ _ _  _ _ _  5 _ 3
-
-_ 3 _  _ _ _  _ _ _
-_ _ 2  _ _ _  7 _ _
-4 6 _  1 _ _  _ _ _
-
-_ 5 7  _ _ 1  _ _ _
-_ _ _  _ 3 _  _ 2 _
-_ _ 8  _ _ 5  _ _ _
-
-SOLUTION:
-8 2 5  3 7 4  9 1 6
-9 1 3  5 6 8  2 4 7
-6 7 4  9 1 2  5 8 3
-
-7 3 1  2 5 6  4 9 8
-5 8 2  4 9 3  7 6 1
-4 6 9  1 8 7  3 5 2
-
-2 5 7  8 4 1  6 3 9
-1 4 6  7 3 9  8 2 5
-3 9 8  6 2 5  1 7 4
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,null,3,null,5,null,null,null,null,6,null,null,null,2,null,3,4,null,null,8,1,null,null,null,6,null,null,0,null,5,7,6,null,null,null,2,null,null,null,null,null,3,null,null,null,null,7,null,null,3,null,null,8,1,null,6,null,null,null,0,null,null,0,8,null,null,null,null,null,null,null,null,3,null,null,null,null,8,null,7],"solution":[7,4,1,3,6,5,2,8,0,5,6,0,7,8,2,1,3,4,3,2,8,1,4,0,7,6,5,8,0,3,5,7,6,4,1,2,2,5,4,0,1,8,3,7,6,6,1,7,4,2,3,5,0,8,1,7,6,8,5,4,0,2,3,0,8,5,2,3,7,6,4,1,4,3,2,6,0,1,8,5,7]}
-PUZZLE:
-_ _ _  4 _ 6  _ _ _
-_ 7 _  _ _ 3  _ 4 5
-_ _ 9  2 _ _  _ 7 _
-
-_ 1 _  6 8 7  _ _ _
-3 _ _  _ _ _  4 _ _
-_ _ 8  _ _ 4  _ _ 9
-
-2 _ 7  _ _ _  1 _ _
-1 9 _  _ _ _  _ _ _
-_ 4 _  _ _ _  9 _ 8
-
-SOLUTION:
-8 5 2  4 7 6  3 9 1
-6 7 1  8 9 3  2 4 5
-4 3 9  2 5 1  8 7 6
-
-9 1 4  6 8 7  5 2 3
-3 6 5  1 2 9  4 8 7
-7 2 8  5 3 4  6 1 9
-
-2 8 7  9 6 5  1 3 4
-1 9 6  3 4 8  7 5 2
-5 4 3  7 1 2  9 6 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,4,8,null,null,3,null,6,null,null,null,null,null,null,null,null,7,3,null,null,null,8,6,null,1,4,null,2,null,null,2,null,5,null,null,7,4,null,null,null,null,null,null,null,8,null,null,1,null,7,null,null,2,null,5,null,null,4,null,6,null,null,null,null,null,7,0,null,null,null,null,null,null,null,null],"solution":[6,0,7,5,1,2,3,4,8,5,8,3,0,6,4,7,1,2,1,4,2,8,7,3,0,6,5,8,6,0,1,4,5,2,7,3,2,1,5,6,3,7,4,8,0,7,3,4,2,0,8,6,5,1,3,7,8,4,2,1,5,0,6,4,5,6,3,8,0,1,2,7,0,2,1,7,5,6,8,3,4]}
-PUZZLE:
-_ _ _  _ _ _  _ 5 9
-_ _ 4  _ 7 _  _ _ _
-_ _ _  _ 8 4  _ _ _
-
-9 7 _  2 5 _  3 _ _
-3 _ 6  _ _ 8  5 _ _
-_ _ _  _ _ 9  _ _ 2
-
-_ 8 _  _ 3 _  6 _ _
-5 _ 7  _ _ _  _ _ 8
-1 _ _  _ _ _  _ _ _
-
-SOLUTION:
-7 1 8  6 2 3  4 5 9
-6 9 4  1 7 5  8 2 3
-2 5 3  9 8 4  1 7 6
-
-9 7 1  2 5 6  3 8 4
-3 2 6  7 4 8  5 9 1
-8 4 5  3 1 9  7 6 2
-
-4 8 9  5 3 2  6 1 7
-5 6 7  4 9 1  2 3 8
-1 3 2  8 6 7  9 4 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,6,null,null,1,null,null,null,7,null,null,null,3,null,null,null,null,3,8,null,null,null,null,null,0,4,8,1,null,null,null,5,null,null,6,4,null,null,null,null,null,null,3,null,0,6,null,null,4,null,null,null,null,null,null,null,1,7,null,null,null,null,null,null,7,6,null,null,null,4,3,null,null,null,null,null,null,2,null,null],"solution":[5,4,6,0,8,1,3,7,2,7,2,0,5,3,4,1,6,8,3,8,1,2,6,7,5,0,4,8,1,3,7,0,5,4,2,6,4,7,2,8,1,6,0,3,5,0,6,5,3,4,2,7,8,1,2,3,4,1,7,8,6,5,0,1,5,7,6,2,0,8,4,3,6,0,8,4,5,3,2,1,7]}
-PUZZLE:
-_ _ 7  _ _ 2  _ _ _
-8 _ _  _ 4 _  _ _ _
-4 9 _  _ _ _  _ 1 5
-
-9 2 _  _ _ 6  _ _ 7
-5 _ _  _ _ _  _ 4 _
-1 7 _  _ 5 _  _ _ _
-
-_ _ _  2 8 _  _ _ _
-_ _ 8  7 _ _  _ 5 4
-_ _ _  _ _ _  3 _ _
-
-SOLUTION:
-6 5 7  1 9 2  4 8 3
-8 3 1  6 4 5  2 7 9
-4 9 2  3 7 8  6 1 5
-
-9 2 4  8 1 6  5 3 7
-5 8 3  9 2 7  1 4 6
-1 7 6  4 5 3  8 9 2
-
-3 4 5  2 8 9  7 6 1
-2 6 8  7 3 1  9 5 4
-7 1 9  5 6 4  3 2 8
-
-RATING: 5.25
-DATA:
-{"puzzle":[null,4,null,5,null,null,null,null,null,null,7,6,null,3,null,null,8,null,8,1,null,null,4,null,5,null,3,null,null,null,null,null,1,null,null,4,3,null,null,null,5,null,1,null,null,6,null,null,0,null,null,null,null,null,null,6,null,null,null,null,null,7,0,null,null,null,null,null,null,null,null,5,null,null,null,null,null,2,6,4,null],"solution":[2,4,3,5,1,8,7,0,6,5,7,6,2,3,0,4,8,1,8,1,0,7,4,6,5,2,3,7,2,8,3,6,1,0,5,4,3,0,4,8,5,7,1,6,2,6,5,1,0,2,4,8,3,7,1,6,2,4,8,5,3,7,0,4,8,7,6,0,3,2,1,5,0,3,5,1,7,2,6,4,8]}
-PUZZLE:
-_ 5 _  6 _ _  _ _ _
-_ 8 7  _ 4 _  _ 9 _
-9 2 _  _ 5 _  6 _ 4
-
-_ _ _  _ _ 2  _ _ 5
-4 _ _  _ 6 _  2 _ _
-7 _ _  1 _ _  _ _ _
-
-_ 7 _  _ _ _  _ 8 1
-_ _ _  _ _ _  _ _ 6
-_ _ _  _ _ 3  7 5 _
-
-SOLUTION:
-3 5 4  6 2 9  8 1 7
-6 8 7  3 4 1  5 9 2
-9 2 1  8 5 7  6 3 4
-
-8 3 9  4 7 2  1 6 5
-4 1 5  9 6 8  2 7 3
-7 6 2  1 3 5  9 4 8
-
-2 7 3  5 9 6  4 8 1
-5 9 8  7 1 4  3 2 6
-1 4 6  2 8 3  7 5 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,4,null,null,1,3,null,null,null,null,null,null,null,6,7,0,null,null,2,null,null,null,null,null,null,null,null,0,null,5,1,null,2,null,null,null,4,null,0,null,null,null,null,8,1,null,5,2,6,null,null,null,null,null,null,7,null,null,null,null,null,null,6,null,null,null,null,null,5,3,0,null,null,null,null,null,null],"solution":[8,5,2,3,6,4,7,0,1,3,4,1,5,7,0,8,2,6,7,0,6,8,2,1,3,4,5,4,6,3,2,0,8,5,1,7,2,1,5,7,4,6,0,8,3,0,7,8,1,3,5,2,6,4,6,8,4,0,5,7,1,3,2,1,2,7,6,8,3,4,5,0,5,3,0,4,1,2,6,7,8]}
-PUZZLE:
-_ _ _  _ _ 5  _ _ 2
-4 _ _  _ _ _  _ _ 7
-8 1 _  _ 3 _  _ _ _
-
-_ _ _  _ 1 _  6 2 _
-3 _ _  _ 5 _  1 _ _
-_ _ 9  2 _ 6  3 7 _
-
-_ _ _  _ _ 8  _ _ _
-_ _ _  7 _ _  _ _ _
-6 4 1  _ _ _  _ _ _
-
-SOLUTION:
-9 6 3  4 7 5  8 1 2
-4 5 2  6 8 1  9 3 7
-8 1 7  9 3 2  4 5 6
-
-5 7 4  3 1 9  6 2 8
-3 2 6  8 5 7  1 9 4
-1 8 9  2 4 6  3 7 5
-
-7 9 5  1 6 8  2 4 3
-2 3 8  7 9 4  5 6 1
-6 4 1  5 2 3  7 8 9
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,2,null,3,null,null,null,null,null,null,null,6,6,null,1,null,2,null,null,null,4,null,null,null,null,null,0,6,null,null,null,3,null,null,null,null,5,null,null,null,null,7,5,null,null,0,null,2,null,8,null,1,null,3,2,null,null,7,null,null,null,null,4,null,5,null,null,null,null,null,0,null,null,null,7],"solution":[8,0,4,6,3,1,7,2,5,3,7,2,4,5,8,1,0,6,6,5,1,0,2,7,3,8,4,5,2,8,3,4,0,6,7,1,0,3,6,7,1,2,5,4,8,1,4,7,5,8,6,0,3,2,4,8,5,1,7,3,2,6,0,7,1,0,2,6,4,8,5,3,2,6,3,8,0,5,4,1,7]}
-PUZZLE:
-_ _ 5  _ _ _  _ 3 _
-4 _ _  _ _ _  _ _ 7
-7 _ 2  _ 3 _  _ _ 5
-
-_ _ _  _ _ 1  7 _ _
-_ 4 _  _ _ _  6 _ _
-_ _ 8  6 _ _  1 _ 3
-
-_ 9 _  2 _ 4  3 _ _
-8 _ _  _ _ 5  _ 6 _
-_ _ _  _ 1 _  _ _ 8
-
-SOLUTION:
-9 1 5  7 4 2  8 3 6
-4 8 3  5 6 9  2 1 7
-7 6 2  1 3 8  4 9 5
-
-6 3 9  4 5 1  7 8 2
-1 4 7  8 2 3  6 5 9
-2 5 8  6 9 7  1 4 3
-
-5 9 6  2 8 4  3 7 1
-8 2 1  3 7 5  9 6 4
-3 7 4  9 1 6  5 2 8
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,2,null,null,5,null,6,null,null,null,null,0,null,null,1,null,5,1,null,null,null,2,null,null,null,null,null,null,3,null,null,null,null,null,6,null,1,null,null,6,null,null,0,null,null,null,5,7,4,null,null,null,null,null,null,null,null,null,8,null,null,null,7,null,null,1,null,null,2,null,3,6,null,null,null,null,null,null,8,7],"solution":[3,7,2,8,1,5,0,6,4,4,8,6,0,3,7,1,2,5,1,5,0,6,2,4,3,7,8,0,4,3,2,8,1,7,5,6,8,1,7,5,6,3,4,0,2,2,6,5,7,4,0,8,3,1,5,2,4,3,7,8,6,1,0,7,0,8,1,5,6,2,4,3,6,3,1,4,0,2,5,8,7]}
-PUZZLE:
-_ _ 3  _ _ 6  _ 7 _
-_ _ _  1 _ _  2 _ 6
-2 _ _  _ 3 _  _ _ _
-
-_ _ 4  _ _ _  _ _ 7
-_ 2 _  _ 7 _  _ 1 _
-_ _ 6  8 5 _  _ _ _
-
-_ _ _  _ _ 9  _ _ _
-8 _ _  2 _ _  3 _ 4
-7 _ _  _ _ _  _ 9 8
-
-SOLUTION:
-4 8 3  9 2 6  1 7 5
-5 9 7  1 4 8  2 3 6
-2 6 1  7 3 5  4 8 9
-
-1 5 4  3 9 2  8 6 7
-9 2 8  6 7 4  5 1 3
-3 7 6  8 5 1  9 4 2
-
-6 3 5  4 8 9  7 2 1
-8 1 9  2 6 7  3 5 4
-7 4 2  5 1 3  6 9 8
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,5,null,null,0,null,null,2,null,null,null,null,null,6,null,null,0,null,0,1,null,null,null,2,null,null,null,3,null,null,null,null,5,0,null,null,1,null,null,null,null,3,null,4,null,null,6,7,null,1,null,null,null,5,7,8,null,null,null,null,null,null,null,null,null,null,null,5,4,null,6,8,null,null,null,null,null,null,null,null,3],"solution":[6,5,3,4,0,8,1,2,7,8,7,2,5,6,1,3,0,4,0,1,4,7,3,2,5,8,6,3,2,8,6,4,5,0,7,1,1,0,5,8,7,3,6,4,2,4,6,7,2,1,0,8,3,5,7,8,1,3,2,6,4,5,0,2,3,0,1,5,4,7,6,8,5,4,6,0,8,7,2,1,3]}
-PUZZLE:
-_ 6 _  _ 1 _  _ 3 _
-_ _ _  _ 7 _  _ 1 _
-1 2 _  _ _ 3  _ _ _
-
-4 _ _  _ _ 6  1 _ _
-2 _ _  _ _ 4  _ 5 _
-_ 7 8  _ 2 _  _ _ 6
-
-8 9 _  _ _ _  _ _ _
-_ _ _  _ 6 5  _ 7 9
-_ _ _  _ _ _  _ _ 4
-
-SOLUTION:
-7 6 4  5 1 9  2 3 8
-9 8 3  6 7 2  4 1 5
-1 2 5  8 4 3  6 9 7
-
-4 3 9  7 5 6  1 8 2
-2 1 6  9 8 4  7 5 3
-5 7 8  3 2 1  9 4 6
-
-8 9 2  4 3 7  5 6 1
-3 4 1  2 6 5  8 7 9
-6 5 7  1 9 8  3 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[2,5,null,null,null,null,null,null,1,3,null,null,null,null,null,null,null,null,7,null,null,5,null,4,null,null,null,null,null,7,null,0,null,null,null,null,null,null,null,null,null,null,null,7,null,null,6,0,3,null,null,4,8,null,null,null,null,2,null,null,0,null,null,null,null,null,null,5,null,null,4,6,null,null,null,0,7,1,null,5,null],"solution":[2,5,4,6,8,0,7,3,1,3,0,8,7,1,2,5,6,4,7,1,6,5,3,4,8,0,2,4,8,7,1,0,5,6,2,3,5,2,3,4,6,8,1,7,0,1,6,0,3,2,7,4,8,5,8,3,5,2,4,6,0,1,7,0,7,1,8,5,3,2,4,6,6,4,2,0,7,1,3,5,8]}
-PUZZLE:
-3 6 _  _ _ _  _ _ 2
-4 _ _  _ _ _  _ _ _
-8 _ _  6 _ 5  _ _ _
-
-_ _ 8  _ 1 _  _ _ _
-_ _ _  _ _ _  _ 8 _
-_ 7 1  4 _ _  5 9 _
-
-_ _ _  3 _ _  1 _ _
-_ _ _  _ 6 _  _ 5 7
-_ _ _  1 8 2  _ 6 _
-
-SOLUTION:
-3 6 5  7 9 1  8 4 2
-4 1 9  8 2 3  6 7 5
-8 2 7  6 4 5  9 1 3
-
-5 9 8  2 1 6  7 3 4
-6 3 4  5 7 9  2 8 1
-2 7 1  4 3 8  5 9 6
-
-9 4 6  3 5 7  1 2 8
-1 8 2  9 6 4  3 5 7
-7 5 3  1 8 2  4 6 9
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,4,null,0,2,null,null,null,7,6,null,null,null,null,null,null,null,0,null,0,null,3,null,null,5,null,null,null,6,null,null,7,2,3,null,4,8,null,null,null,null,null,null,null,null,2,null,null,null,6,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,null,5,1,null,null,null,2,null,null,null,null,null,null,0,1,6],"solution":[3,4,5,0,2,1,6,8,7,6,1,2,7,5,8,4,3,0,7,0,8,3,4,6,5,2,1,5,6,1,8,7,2,3,0,4,8,7,4,1,3,0,2,6,5,2,3,0,4,6,5,1,7,8,1,2,7,6,0,4,8,5,3,0,8,6,5,1,3,7,4,2,4,5,3,2,8,7,0,1,6]}
-PUZZLE:
-_ 5 _  1 3 _  _ _ 8
-7 _ _  _ _ _  _ _ 1
-_ 1 _  4 _ _  6 _ _
-
-_ 7 _  _ 8 3  4 _ 5
-9 _ _  _ _ _  _ _ _
-3 _ _  _ 7 _  _ _ _
-
-_ _ _  _ _ 5  _ _ _
-_ _ _  6 2 _  _ _ 3
-_ _ _  _ _ _  1 2 7
-
-SOLUTION:
-4 5 6  1 3 2  7 9 8
-7 2 3  8 6 9  5 4 1
-8 1 9  4 5 7  6 3 2
-
-6 7 2  9 8 3  4 1 5
-9 8 5  2 4 1  3 7 6
-3 4 1  5 7 6  2 8 9
-
-2 3 8  7 1 5  9 6 4
-1 9 7  6 2 4  8 5 3
-5 6 4  3 9 8  1 2 7
-
-RATING: 3.75
-DATA:
-{"puzzle":[6,7,null,null,null,null,null,2,1,null,null,null,null,null,null,null,7,null,3,8,null,null,null,null,4,null,null,null,null,null,null,null,1,null,null,null,null,null,0,7,2,null,null,null,4,null,5,2,8,null,null,0,null,null,null,null,null,0,null,6,2,null,null,null,null,null,null,null,null,null,3,null,null,null,8,null,null,3,null,null,5],"solution":[6,7,5,3,4,0,8,2,1,0,2,4,1,6,8,5,7,3,3,8,1,2,5,7,4,6,0,8,4,3,6,0,1,7,5,2,1,6,0,7,2,5,3,8,4,7,5,2,8,3,4,0,1,6,5,3,7,0,1,6,2,4,8,4,0,6,5,8,2,1,3,7,2,1,8,4,7,3,6,0,5]}
-PUZZLE:
-7 8 _  _ _ _  _ 3 2
-_ _ _  _ _ _  _ 8 _
-4 9 _  _ _ _  5 _ _
-
-_ _ _  _ _ 2  _ _ _
-_ _ 1  8 3 _  _ _ 5
-_ 6 3  9 _ _  1 _ _
-
-_ _ _  1 _ 7  3 _ _
-_ _ _  _ _ _  _ 4 _
-_ _ 9  _ _ 4  _ _ 6
-
-SOLUTION:
-7 8 6  4 5 1  9 3 2
-1 3 5  2 7 9  6 8 4
-4 9 2  3 6 8  5 7 1
-
-9 5 4  7 1 2  8 6 3
-2 7 1  8 3 6  4 9 5
-8 6 3  9 4 5  1 2 7
-
-6 4 8  1 2 7  3 5 9
-5 1 7  6 9 3  2 4 8
-3 2 9  5 8 4  7 1 6
-
-RATING: 2.5
-DATA:
-{"puzzle":[5,2,8,null,null,null,null,null,null,null,null,null,null,null,null,null,0,7,3,null,null,null,null,null,4,null,null,null,null,6,null,null,1,null,7,2,null,null,0,4,null,null,5,null,null,null,null,null,null,null,3,null,null,4,null,6,3,7,null,null,null,null,null,null,null,2,8,null,null,3,6,null,null,null,null,null,2,null,null,null,0],"solution":[5,2,8,0,4,7,6,1,3,6,1,4,2,3,5,8,0,7,3,0,7,1,6,8,4,2,5,4,3,6,5,8,1,0,7,2,1,8,0,4,7,2,5,3,6,2,7,5,6,0,3,1,8,4,0,6,3,7,1,4,2,5,8,7,4,2,8,5,0,3,6,1,8,5,1,3,2,6,7,4,0]}
-PUZZLE:
-6 3 9  _ _ _  _ _ _
-_ _ _  _ _ _  _ 1 8
-4 _ _  _ _ _  5 _ _
-
-_ _ 7  _ _ 2  _ 8 3
-_ _ 1  5 _ _  6 _ _
-_ _ _  _ _ 4  _ _ 5
-
-_ 7 4  8 _ _  _ _ _
-_ _ 3  9 _ _  4 7 _
+_ 8 _  _ _ 5  9 _ _
+5 _ _  _ _ 1  _ _ _
 _ _ _  _ 3 _  _ _ 1
 
-SOLUTION:
-6 3 9  1 5 8  7 2 4
-7 2 5  3 4 6  9 1 8
-4 1 8  2 7 9  5 3 6
-
-5 4 7  6 9 2  1 8 3
-2 9 1  5 8 3  6 4 7
-3 8 6  7 1 4  2 9 5
-
-1 7 4  8 2 5  3 6 9
-8 5 3  9 6 1  4 7 2
-9 6 2  4 3 7  8 5 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,8,null,null,null,0,null,null,4,null,null,null,null,null,8,null,null,3,null,null,6,null,null,4,1,null,null,2,null,1,null,null,null,4,null,8,null,null,null,8,null,null,null,null,null,null,6,null,1,7,null,null,null,null,null,0,null,null,3,null,null,null,null,5,null,null,null,null,null,2,null,6,6,null,3,null,null,null,7,null,null],"solution":[1,8,7,3,2,0,5,6,4,4,2,5,6,1,8,0,7,3,0,3,6,7,5,4,1,8,2,2,7,1,0,6,3,4,5,8,3,5,0,8,4,2,6,1,7,8,6,4,1,7,5,3,2,0,7,0,2,5,3,6,8,4,1,5,1,8,4,0,7,2,3,6,6,4,3,2,8,1,7,0,5]}
-PUZZLE:
-_ 9 _  _ _ 1  _ _ 5
-_ _ _  _ _ 9  _ _ 4
-_ _ 7  _ _ 5  2 _ _
-
-3 _ 2  _ _ _  5 _ 9
-_ _ _  9 _ _  _ _ _
-_ 7 _  2 8 _  _ _ _
-
-_ 1 _  _ 4 _  _ _ _
-6 _ _  _ _ _  3 _ 7
-7 _ 4  _ _ _  8 _ _
+_ _ _  _ 2 4  _ _ _
+8 _ _  _ _ _  1 _ 6
+_ _ 1  _ _ 6  _ 3 _
 
 SOLUTION:
-2 9 8  4 3 1  6 7 5
-5 3 6  7 2 9  1 8 4
-1 4 7  8 6 5  2 9 3
+9 5 6  3 1 2  8 4 7
+3 1 4  6 7 8  2 5 9
+7 2 8  4 5 9  6 1 3
 
-3 8 2  1 7 4  5 6 9
-4 6 1  9 5 3  7 2 8
-9 7 5  2 8 6  4 3 1
+1 8 3  2 6 5  9 7 4
+5 7 9  8 4 1  3 6 2
+4 6 2  9 3 7  5 8 1
 
-8 1 3  6 4 7  9 5 2
-6 2 9  5 1 8  3 4 7
-7 5 4  3 9 2  8 1 6
-
-RATING: 4.5
-DATA:
-{"puzzle":[null,null,null,null,1,null,null,null,null,null,2,null,null,null,0,null,null,6,null,null,1,5,null,null,8,2,null,7,null,0,null,null,null,4,null,null,5,null,null,null,null,8,null,null,null,null,6,null,3,null,null,null,null,0,null,null,8,null,null,null,null,null,5,null,null,null,null,8,6,null,null,null,null,0,null,1,2,null,null,null,3],"solution":[6,8,5,2,1,7,3,0,4,3,2,7,8,4,0,5,1,6,0,4,1,5,6,3,8,2,7,7,1,0,6,5,2,4,3,8,5,3,2,4,0,8,6,7,1,8,6,4,3,7,1,2,5,0,2,7,8,0,3,4,1,6,5,1,5,3,7,8,6,0,4,2,4,0,6,1,2,5,7,8,3]}
-PUZZLE:
-_ _ _  _ 2 _  _ _ _
-_ 3 _  _ _ 1  _ _ 7
-_ _ 2  6 _ _  9 3 _
-
-8 _ 1  _ _ _  5 _ _
-6 _ _  _ _ 9  _ _ _
-_ 7 _  4 _ _  _ _ 1
-
-_ _ 9  _ _ _  _ _ 6
-_ _ _  _ 9 7  _ _ _
-_ 1 _  2 3 _  _ _ 4
-
-SOLUTION:
-7 9 6  3 2 8  4 1 5
-4 3 8  9 5 1  6 2 7
-1 5 2  6 7 4  9 3 8
-
-8 2 1  7 6 3  5 4 9
-6 4 3  5 1 9  7 8 2
-9 7 5  4 8 2  3 6 1
-
-3 8 9  1 4 5  2 7 6
-2 6 4  8 9 7  1 5 3
-5 1 7  2 3 6  8 9 4
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,7,null,5,null,3,7,null,6,4,null,null,null,4,null,null,null,null,null,null,null,3,null,5,null,null,null,null,8,null,null,6,7,null,null,4,null,null,null,null,null,6,4,null,2,null,1,8,7,null,null,null,null,null,null,3,null,null,null,null,2,null,1,null,null,null,0,null,null,null,null,null,7,null],"solution":[2,6,3,4,8,5,0,1,7,0,5,8,3,7,1,6,4,2,7,1,4,2,0,6,3,8,5,4,3,0,5,1,2,7,6,8,1,2,6,7,3,8,4,5,0,5,8,7,6,4,0,2,3,1,8,7,1,0,6,4,5,2,3,3,4,5,8,2,7,1,0,6,6,0,2,1,5,3,8,7,4]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ 8
-_ 6 _  4 8 _  7 5 _
-_ _ 5  _ _ _  _ _ _
-
-_ 4 _  6 _ _  _ _ 9
-_ _ 7  8 _ _  5 _ _
-_ _ _  7 5 _  3 _ 2
-
-9 8 _  _ _ _  _ _ 4
-_ _ _  _ 3 _  2 _ _
-_ 1 _  _ _ _  _ 8 _
-
-SOLUTION:
-3 7 4  5 9 6  1 2 8
-1 6 9  4 8 2  7 5 3
-8 2 5  3 1 7  4 9 6
-
-5 4 1  6 2 3  8 7 9
-2 3 7  8 4 9  5 6 1
-6 9 8  7 5 1  3 4 2
-
-9 8 2  1 7 5  6 3 4
-4 5 6  9 3 8  2 1 7
-7 1 3  2 6 4  9 8 5
+6 3 5  1 2 4  7 9 8
+8 4 7  5 9 3  1 2 6
+2 9 1  7 8 6  4 3 5
 
 RATING: 0
 DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,null,8,7,null,3,null,6,null,null,1,null,null,6,null,null,null,null,2,null,null,6,null,null,null,null,null,4,8,null,null,null,null,7,null,null,0,null,null,0,null,null,6,5,2,null,null,4,null,null,null,null,2,null,null,null,null,2,null,0,null,null,null,8,null,5,null,null,4,null,null,1,null,null],"solution":[1,4,3,5,2,0,8,7,6,8,7,2,3,4,6,0,5,1,0,5,6,7,1,8,3,2,4,7,6,1,2,0,3,5,4,8,2,8,5,1,7,4,6,0,3,3,0,4,8,6,5,2,1,7,4,1,8,6,5,2,7,3,0,6,2,7,0,3,1,4,8,5,5,3,0,4,8,7,1,6,2]}
+{"puzzle":[null,null,null,null,null,0,null,8,3,null,null,8,1,null,null,null,2,null,3,null,null,null,null,6,5,null,7,null,null,4,null,1,null,8,null,5,null,2,null,null,null,null,null,4,null,null,1,null,6,null,null,null,3,null,0,7,null,3,null,null,null,null,null,null,null,null,5,null,null,0,null,null,null,null,null,null,null,4,null,null,null],"solution":[1,6,7,2,5,0,4,8,3,4,5,8,1,3,7,6,2,0,3,0,2,4,8,6,5,1,7,6,3,4,7,1,2,8,0,5,7,2,5,8,0,3,1,4,6,8,1,0,6,4,5,7,3,2,0,7,1,3,6,8,2,5,4,2,4,3,5,7,1,0,6,8,5,8,6,0,2,4,3,7,1]}
 PUZZLE:
-2 _ _  _ _ _  _ _ _
-9 8 _  4 _ 7  _ _ 2
-_ _ 7  _ _ _  _ 3 _
+_ _ _  _ _ 1  _ 9 4
+_ _ 9  2 _ _  _ 3 _
+4 _ _  _ _ 7  6 _ 8
 
-_ 7 _  _ _ _  _ 5 9
-_ _ _  _ 8 _  _ 1 _
-_ 1 _  _ 7 6  3 _ _
+_ _ 5  _ 2 _  9 _ 6
+_ 3 _  _ _ _  _ 5 _
+_ 2 _  7 _ _  _ 4 _
 
-5 _ _  _ _ 3  _ _ _
-_ 3 _  1 _ _  _ 9 _
-6 _ _  5 _ _  2 _ _
+1 8 _  4 _ _  _ _ _
+_ _ _  6 _ _  1 _ _
+_ _ _  _ _ 5  _ _ _
 
 SOLUTION:
-2 5 4  6 3 1  9 8 7
-9 8 3  4 5 7  1 6 2
-1 6 7  8 2 9  4 3 5
+2 7 8  3 6 1  5 9 4
+5 6 9  2 4 8  7 3 1
+4 1 3  5 9 7  6 2 8
 
-8 7 2  3 1 4  6 5 9
-3 9 6  2 8 5  7 1 4
-4 1 5  9 7 6  3 2 8
+7 4 5  8 2 3  9 1 6
+8 3 6  9 1 4  2 5 7
+9 2 1  7 5 6  8 4 3
 
-5 2 9  7 6 3  8 4 1
-7 3 8  1 4 2  5 9 6
-6 4 1  5 9 8  2 7 3
+1 8 2  4 7 9  3 6 5
+3 5 4  6 8 2  1 7 9
+6 9 7  1 3 5  4 8 2
 
-RATING: 2.75
+RATING: 3.5
 DATA:
-{"puzzle":[null,0,null,7,null,null,null,null,4,null,5,null,null,null,null,null,null,null,2,null,4,3,null,null,null,8,null,null,null,1,null,null,null,null,null,null,0,null,null,null,null,4,8,6,null,null,7,null,null,null,null,2,null,5,null,4,null,null,7,null,null,null,null,null,null,2,null,null,null,5,null,3,6,null,null,null,null,0,null,null,null],"solution":[3,0,8,7,1,2,6,5,4,1,5,7,4,8,6,0,3,2,2,6,4,3,0,5,7,8,1,8,2,1,5,6,7,3,4,0,0,3,5,1,2,4,8,6,7,4,7,6,0,3,8,2,1,5,5,4,0,8,7,3,1,2,6,7,8,2,6,4,1,5,0,3,6,1,3,2,5,0,4,7,8]}
+{"puzzle":[null,8,2,null,null,null,null,null,null,null,null,7,5,4,null,2,null,null,null,null,0,3,null,null,4,null,null,null,null,null,null,7,null,null,null,8,null,7,null,6,null,null,null,null,null,null,null,6,null,null,null,1,null,null,null,null,null,1,null,null,null,2,null,0,null,8,null,null,4,null,null,1,null,5,null,null,null,3,null,6,null],"solution":[4,8,2,0,1,6,7,5,3,6,3,7,5,4,8,2,1,0,5,1,0,3,2,7,4,8,6,1,0,5,4,7,2,6,3,8,8,7,4,6,3,1,5,0,2,3,2,6,8,0,5,1,4,7,7,4,3,1,6,0,8,2,5,0,6,8,2,5,4,3,7,1,2,5,1,7,8,3,0,6,4]}
 PUZZLE:
-_ 1 _  8 _ _  _ _ 5
-_ 6 _  _ _ _  _ _ _
-3 _ 5  4 _ _  _ 9 _
+_ 9 3  _ _ _  _ _ _
+_ _ 8  6 5 _  3 _ _
+_ _ 1  4 _ _  5 _ _
 
-_ _ 2  _ _ _  _ _ _
-1 _ _  _ _ 5  9 7 _
-_ 8 _  _ _ _  3 _ 6
+_ _ _  _ 8 _  _ _ 9
+_ 8 _  7 _ _  _ _ _
+_ _ 7  _ _ _  2 _ _
 
-_ 5 _  _ 8 _  _ _ _
-_ _ 3  _ _ _  6 _ 4
-7 _ _  _ _ 1  _ _ _
+_ _ _  2 _ _  _ 3 _
+1 _ 9  _ _ 5  _ _ 2
+_ 6 _  _ _ 4  _ 7 _
 
 SOLUTION:
-4 1 9  8 2 3  7 6 5
-2 6 8  5 9 7  1 4 3
-3 7 5  4 1 6  8 9 2
+5 9 3  1 2 7  8 6 4
+7 4 8  6 5 9  3 2 1
+6 2 1  4 3 8  5 9 7
 
-9 3 2  6 7 8  4 5 1
-1 4 6  2 3 5  9 7 8
-5 8 7  1 4 9  3 2 6
+2 1 6  5 8 3  7 4 9
+9 8 5  7 4 2  6 1 3
+4 3 7  9 1 6  2 5 8
 
-6 5 1  9 8 4  2 3 7
-8 9 3  7 5 2  6 1 4
-7 2 4  3 6 1  5 8 9
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,8,null,null,null,null,null,0,null,null,null,null,2,5,null,null,null,null,null,null,3,null,8,6,2,null,null,8,null,5,3,null,null,7,null,null,null,null,null,null,6,null,8,null,null,4,5,null,null,null,null,0,null,null,5,null,0,null,null,8,null,null,null,null,null,null,4,2,3,6,null,null,null,null,null,null,null,null,null,null],"solution":[2,3,8,1,6,4,7,5,0,1,6,0,7,2,5,4,3,8,5,7,4,3,0,8,6,2,1,6,8,1,5,3,0,2,7,4,7,0,2,4,1,6,5,8,3,3,4,5,2,8,7,1,0,6,4,5,6,0,7,3,8,1,2,0,1,7,8,4,2,3,6,5,8,2,3,6,5,1,0,4,7]}
-PUZZLE:
-_ _ 9  _ _ _  _ _ 1
-_ _ _  _ 3 6  _ _ _
-_ _ _  4 _ 9  7 3 _
-
-_ 9 _  6 4 _  _ 8 _
-_ _ _  _ _ 7  _ 9 _
-_ 5 6  _ _ _  _ 1 _
-
-_ 6 _  1 _ _  9 _ _
-_ _ _  _ 5 3  4 7 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-3 4 9  2 7 5  8 6 1
-2 7 1  8 3 6  5 4 9
-6 8 5  4 1 9  7 3 2
-
-7 9 2  6 4 1  3 8 5
-8 1 3  5 2 7  6 9 4
-4 5 6  3 9 8  2 1 7
-
-5 6 7  1 8 4  9 2 3
-1 2 8  9 5 3  4 7 6
-9 3 4  7 6 2  1 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,null,null,null,null,1,6,null,null,null,3,1,2,8,null,null,null,null,null,7,null,null,null,0,null,null,null,null,null,8,null,7,null,null,4,1,null,null,null,null,null,3,null,null,null,4,null,null,null,null,null,5,6,null,null,null,4,null,null,8,1,null,null,5,null,null,null,null,null,0,null,null,1,null,6,3,null,null],"solution":[3,8,0,6,4,2,7,5,1,6,5,7,0,3,1,2,8,4,4,1,2,8,7,5,6,3,0,2,0,5,3,1,8,4,7,6,8,4,1,2,6,7,5,0,3,7,3,6,4,5,0,8,1,2,5,6,3,7,0,4,1,2,8,1,2,4,5,8,3,0,6,7,0,7,8,1,2,6,3,4,5]}
-PUZZLE:
-_ 9 _  _ _ _  _ _ 2
-7 _ _  _ 4 2  3 9 _
-_ _ _  _ 8 _  _ _ 1
-
-_ _ _  _ _ 9  _ 8 _
-_ 5 2  _ _ _  _ _ 4
-_ _ _  5 _ _  _ _ _
-
-6 7 _  _ _ 5  _ _ 9
-2 _ _  6 _ _  _ _ _
-1 _ _  2 _ 7  4 _ _
-
-SOLUTION:
-4 9 1  7 5 3  8 6 2
-7 6 8  1 4 2  3 9 5
-5 2 3  9 8 6  7 4 1
-
-3 1 6  4 2 9  5 8 7
-9 5 2  3 7 8  6 1 4
-8 4 7  5 6 1  9 2 3
-
-6 7 4  8 1 5  2 3 9
-2 3 5  6 9 4  1 7 8
-1 8 9  2 3 7  4 5 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,5,null,4,null,null,null,null,null,6,null,null,null,null,null,null,1,8,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,4,null,null,3,4,null,null,0,null,null,null,1,5,null,null,null,null,null,null,null,6,null,null,null,3,null,6,null,null,null,2,0,null,7,null,null,null,5,null,null,7,null,null,null,5,null,8,2],"solution":[7,5,2,4,8,1,3,6,0,6,3,4,5,7,0,2,1,8,0,8,1,2,6,3,7,4,5,1,6,0,8,5,2,4,3,7,3,4,8,6,0,7,5,2,1,5,2,7,1,3,4,8,0,6,8,1,5,3,2,6,0,7,4,2,0,6,7,4,8,1,5,3,4,7,3,0,1,5,6,8,2]}
-PUZZLE:
-_ 6 _  5 _ _  _ _ _
-7 _ _  _ _ _  _ 2 9
-_ _ _  _ _ _  _ _ _
-
-_ _ 1  _ _ _  5 _ _
-4 5 _  _ 1 _  _ _ 2
-6 _ _  _ _ _  _ _ 7
-
-_ _ _  4 _ 7  _ _ _
-3 1 _  8 _ _  _ 6 _
-_ 8 _  _ _ 6  _ 9 3
-
-SOLUTION:
-8 6 3  5 9 2  4 7 1
-7 4 5  6 8 1  3 2 9
-1 9 2  3 7 4  8 5 6
-
-2 7 1  9 6 3  5 4 8
-4 5 9  7 1 8  6 3 2
-6 3 8  2 4 5  9 1 7
-
-9 2 6  4 3 7  1 8 5
-3 1 7  8 5 9  2 6 4
-5 8 4  1 2 6  7 9 3
-
-RATING: 2
-DATA:
-{"puzzle":[null,5,1,null,null,null,null,7,null,null,null,null,null,null,1,8,null,null,null,null,8,6,null,null,null,null,null,null,null,null,8,null,null,3,null,null,4,null,null,null,null,2,1,null,null,null,null,0,null,7,null,null,6,2,null,null,null,null,null,8,null,null,null,null,3,null,5,null,null,null,null,6,null,1,null,4,6,null,7,null,0],"solution":[0,5,1,2,8,4,6,7,3,7,6,3,0,5,1,8,2,4,2,4,8,6,3,7,0,1,5,1,2,5,8,4,6,3,0,7,4,7,6,3,0,2,1,5,8,3,8,0,1,7,5,4,6,2,6,0,4,7,2,8,5,3,1,8,3,7,5,1,0,2,4,6,5,1,2,4,6,3,7,8,0]}
-PUZZLE:
-_ 6 2  _ _ _  _ 8 _
-_ _ _  _ _ 2  9 _ _
-_ _ 9  7 _ _  _ _ _
-
-_ _ _  9 _ _  4 _ _
-5 _ _  _ _ 3  2 _ _
-_ _ 1  _ 8 _  _ 7 3
-
-_ _ _  _ _ 9  _ _ _
-_ 4 _  6 _ _  _ _ 7
-_ 2 _  5 7 _  8 _ 1
-
-SOLUTION:
-1 6 2  3 9 5  7 8 4
-8 7 4  1 6 2  9 3 5
-3 5 9  7 4 8  1 2 6
-
-2 3 6  9 5 7  4 1 8
-5 8 7  4 1 3  2 6 9
-4 9 1  2 8 6  5 7 3
-
-7 1 5  8 3 9  6 4 2
-9 4 8  6 2 1  3 5 7
-6 2 3  5 7 4  8 9 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,6,null,null,null,null,null,5,null,2,null,1,null,4,null,8,null,3,null,8,null,null,null,null,1,null,null,8,null,null,6,null,null,null,null,null,null,7,null,0,null,null,null,1,null,null,null,5,null,null,null,null,null,null,null,1,null,null,2,null,null,3,null,null,null,null,null,null,null,6,4,null,0,null,null,3,null,7,null,null],"solution":[4,1,6,3,8,0,2,7,5,7,2,0,1,5,4,3,8,6,3,5,8,7,2,6,4,1,0,1,8,5,2,6,3,0,4,7,2,6,7,4,0,8,5,3,1,0,4,3,5,1,7,6,2,8,5,7,1,6,4,2,8,0,3,8,3,2,0,7,5,1,6,4,6,0,4,8,3,1,7,5,2]}
-PUZZLE:
-_ _ 7  _ _ _  _ _ 6
-_ 3 _  2 _ 5  _ 9 _
-4 _ 9  _ _ _  _ 2 _
-
-_ 9 _  _ 7 _  _ _ _
-_ _ 8  _ 1 _  _ _ 2
-_ _ _  6 _ _  _ _ _
-
-_ _ 2  _ _ 3  _ _ 4
-_ _ _  _ _ _  _ 7 5
-_ 1 _  _ 4 _  8 _ _
-
-SOLUTION:
-5 2 7  4 9 1  3 8 6
-8 3 1  2 6 5  4 9 7
-4 6 9  8 3 7  5 2 1
-
-2 9 6  3 7 4  1 5 8
-3 7 8  5 1 9  6 4 2
-1 5 4  6 2 8  7 3 9
-
-6 8 2  7 5 3  9 1 4
-9 4 3  1 8 6  2 7 5
-7 1 5  9 4 2  8 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,6,null,null,3,null,null,1,null,2,null,7,6,null,null,0,7,null,null,null,1,null,null,5,null,null,null,null,null,null,null,0,null,3,null,5,7,null,null,8,null,null,null,null,2,null,5,null,null,8,7,null,null,null,null,0,null,null,4,null,null,null,null,3,null,null,2,null,null,null,0,null,null,1,null],"solution":[7,1,4,2,3,8,5,6,0,0,3,8,5,1,6,2,4,7,6,5,2,0,7,4,8,3,1,3,2,5,7,6,0,1,8,4,4,0,1,3,8,5,7,2,6,8,7,6,1,4,2,0,5,3,1,8,7,4,5,3,6,0,2,5,4,0,6,2,1,3,7,8,2,6,3,8,0,7,4,1,5]}
-PUZZLE:
-_ _ _  _ _ _  _ 7 _
-_ 4 _  _ 2 _  3 _ 8
-7 _ _  1 8 _  _ _ 2
-
-_ _ 6  _ _ _  _ _ _
-_ 1 _  4 _ 6  8 _ _
-9 _ _  _ _ 3  _ 6 _
-
-_ 9 8  _ _ _  _ 1 _
-_ 5 _  _ _ _  4 _ _
-3 _ _  _ 1 _  _ 2 _
-
-SOLUTION:
-8 2 5  3 4 9  6 7 1
-1 4 9  6 2 7  3 5 8
-7 6 3  1 8 5  9 4 2
-
-4 3 6  8 7 1  2 9 5
-5 1 2  4 9 6  8 3 7
-9 8 7  2 5 3  1 6 4
-
-2 9 8  5 6 4  7 1 3
-6 5 1  7 3 2  4 8 9
-3 7 4  9 1 8  5 2 6
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,6,0,null,null,7,null,6,null,null,null,null,5,null,null,null,null,null,1,2,null,null,2,null,6,null,4,null,null,null,null,null,1,null,2,null,null,5,null,null,null,5,1,null,7,null,null,8,null,null,null,8,null,null,3,1,null,null,null,null,5,null,null,null,null,7,null,1,0,4,null,6,null,null,null],"solution":[1,8,2,3,4,5,7,6,0,0,4,7,2,6,1,8,3,5,5,3,6,7,8,0,1,2,4,8,2,3,6,5,4,0,7,1,4,7,1,0,2,8,6,5,3,6,0,5,1,3,7,2,4,8,7,5,4,8,0,2,3,1,6,2,6,8,5,1,3,4,0,7,3,1,0,4,7,6,5,8,2]}
-PUZZLE:
-_ _ _  _ _ _  _ 7 1
-_ _ 8  _ 7 _  _ _ _
-6 _ _  _ _ _  2 3 _
-
-_ 3 _  7 _ 5  _ _ _
-_ _ 2  _ 3 _  _ 6 _
-_ _ 6  2 _ 8  _ _ 9
-
-_ _ _  9 _ _  4 2 _
-_ _ _  6 _ _  _ _ 8
-_ 2 1  5 _ 7  _ _ _
-
-SOLUTION:
-2 9 3  4 5 6  8 7 1
-1 5 8  3 7 2  9 4 6
-6 4 7  8 9 1  2 3 5
-
-9 3 4  7 6 5  1 8 2
-5 8 2  1 3 9  7 6 4
-7 1 6  2 4 8  3 5 9
-
-8 6 5  9 1 3  4 2 7
-3 7 9  6 2 4  5 1 8
-4 2 1  5 8 7  6 9 3
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,5,3,null,8,null,null,null,6,null,3,null,0,2,null,null,4,null,7,0,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,7,null,null,8,6,null,null,2,1,null,null,null,7,null,null,null,null,0,null,null,null,null,null,null,null,null,2,null,null,2,null,null,0,8,4,null,null,null,null,null,1,4,null,null,null],"solution":[4,2,5,3,7,8,0,1,6,6,8,3,1,0,2,5,7,4,1,7,0,4,5,6,2,8,3,2,5,1,0,4,3,7,6,8,7,0,4,8,6,5,3,2,1,3,6,8,7,2,1,4,5,0,0,4,6,5,8,7,1,3,2,5,1,2,6,3,0,8,4,7,8,3,7,2,1,4,6,0,5]}
-PUZZLE:
-_ _ 6  4 _ 9  _ _ _
-7 _ 4  _ 1 3  _ _ 5
-_ 8 1  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ 7 _
-8 _ _  9 7 _  _ 3 2
-_ _ _  8 _ _  _ _ 1
-
-_ _ _  _ _ _  _ _ 3
-_ _ 3  _ _ 1  9 5 _
-_ _ _  _ 2 5  _ _ _
-
-SOLUTION:
-5 3 6  4 8 9  1 2 7
-7 9 4  2 1 3  6 8 5
-2 8 1  5 6 7  3 9 4
-
-3 6 2  1 5 4  8 7 9
-8 1 5  9 7 6  4 3 2
-4 7 9  8 3 2  5 6 1
-
-1 5 7  6 9 8  2 4 3
-6 2 3  7 4 1  9 5 8
-9 4 8  3 2 5  7 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,1,null,null,null,null,null,6,1,null,null,7,0,null,null,4,null,7,null,8,null,null,null,6,0,3,null,8,null,null,null,null,null,null,null,null,null,null,0,4,null,8,null,null,null,6,null,1,5,7,null,null,null,2,null,null,null,null,null,null,7,null,null,null,null,null,null,4,null,null,0,8,null,null,2],"solution":[7,2,5,3,8,0,4,1,6,8,3,4,5,6,1,0,2,7,0,6,1,4,2,7,5,8,3,2,1,6,0,3,4,8,7,5,3,5,7,8,1,6,2,4,0,4,0,8,2,7,5,6,3,1,5,7,0,1,4,2,3,6,8,6,8,2,7,5,3,1,0,4,1,4,3,6,0,8,7,5,2]}
-PUZZLE:
-_ _ 6  _ _ _  _ 2 _
-_ _ _  _ 7 2  _ _ 8
-1 _ _  5 _ 8  _ 9 _
-
-_ _ 7  1 4 _  9 _ _
-_ _ _  _ _ _  _ _ 1
-5 _ 9  _ _ _  7 _ 2
-
-6 8 _  _ _ 3  _ _ _
-_ _ _  8 _ _  _ _ _
-_ 5 _  _ 1 9  _ _ 3
-
-SOLUTION:
-8 3 6  4 9 1  5 2 7
-9 4 5  6 7 2  1 3 8
-1 7 2  5 3 8  6 9 4
-
-3 2 7  1 4 5  9 8 6
-4 6 8  9 2 7  3 5 1
-5 1 9  3 8 6  7 4 2
-
-6 8 1  2 5 3  4 7 9
-7 9 3  8 6 4  2 1 5
-2 5 4  7 1 9  8 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,null,4,null,null,null,null,null,null,null,null,0,3,null,null,null,null,null,8,null,null,null,2,null,5,null,null,null,null,null,1,null,0,4,null,null,null,0,null,6,5,1,null,null,null,null,null,8,null,null,null,null,null,null,1,8,null,null,6,null,0,8,null,5,null,1,null,null,null,null,7,null,0,null,null,null,8,null,null],"solution":[1,2,7,5,4,8,0,6,3,6,5,4,2,0,3,1,8,7,3,0,8,1,6,7,2,4,5,5,8,6,7,2,1,3,0,4,4,7,2,0,3,6,5,1,8,0,1,3,4,8,5,7,2,6,2,3,1,8,7,4,6,5,0,8,6,5,3,1,0,4,7,2,7,4,0,6,5,2,8,3,1]}
-PUZZLE:
-_ 3 _  _ 5 _  _ _ _
-_ _ _  _ 1 4  _ _ _
-_ _ 9  _ _ _  3 _ 6
-
-_ _ _  _ _ 2  _ 1 5
-_ _ _  1 _ 7  6 2 _
-_ _ _  _ 9 _  _ _ _
-
-_ _ 2  9 _ _  7 _ 1
-9 _ 6  _ 2 _  _ _ _
-8 _ 1  _ _ _  9 _ _
-
-SOLUTION:
-2 3 8  6 5 9  1 7 4
-7 6 5  3 1 4  2 9 8
-4 1 9  2 7 8  3 5 6
-
-6 9 7  8 3 2  4 1 5
-5 8 3  1 4 7  6 2 9
-1 2 4  5 9 6  8 3 7
-
-3 4 2  9 8 5  7 6 1
-9 7 6  4 2 1  5 8 3
-8 5 1  7 6 3  9 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,null,8,null,7,null,4,null,null,6,null,null,null,null,4,1,null,3,7,null,null,null,null,null,5,3,null,null,null,null,8,null,0,null,null,2,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,3,null,null,7,1,null,8,null,null,null,null,4,null,null,null,null,null,6,null,0,null],"solution":[3,6,1,2,7,5,0,4,8,2,7,5,4,0,8,6,3,1,0,8,4,1,6,3,7,2,5,6,4,2,5,3,7,8,1,0,8,5,0,6,1,2,4,7,3,1,3,7,0,8,4,2,5,6,4,0,6,7,5,1,3,8,2,7,1,3,8,2,0,5,6,4,5,2,8,3,4,6,1,0,7]}
-PUZZLE:
-_ _ _  _ _ 6  _ _ 9
-_ 8 _  5 _ _  7 _ _
-_ _ 5  2 _ 4  8 _ _
-
-_ _ _  6 4 _  _ _ _
-9 _ 1  _ _ 3  5 _ _
-_ _ _  _ _ _  _ _ _
-
-_ _ _  _ 6 _  4 _ _
-8 2 _  9 _ _  _ _ 5
-_ _ _  _ _ 7  _ 1 _
-
-SOLUTION:
-4 7 2  3 8 6  1 5 9
-3 8 6  5 1 9  7 4 2
-1 9 5  2 7 4  8 3 6
-
-7 5 3  6 4 8  9 2 1
-9 6 1  7 2 3  5 8 4
-2 4 8  1 9 5  3 6 7
-
-5 1 7  8 6 2  4 9 3
-8 2 4  9 3 1  6 7 5
-6 3 9  4 5 7  2 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,null,null,null,null,null,null,3,null,null,3,8,null,4,7,null,2,5,null,2,6,null,null,8,null,null,null,7,0,null,null,6,null,null,null,4,null,null,null,2,null,null,null,null,null,2,null,null,5,null,null,null,null,6,null,null,null,null,null,null,0,1,null,null,1,null,4,3,null,null,null,null,null,null,null,null,null,4,null,null],"solution":[7,0,8,2,1,5,6,4,3,1,6,3,8,0,4,7,5,2,5,4,2,6,3,7,8,1,0,3,7,0,4,8,6,1,2,5,4,1,5,7,2,0,3,8,6,8,2,6,3,5,1,0,7,4,6,3,4,5,7,8,2,0,1,2,8,1,0,4,3,5,6,7,0,5,7,1,6,2,4,3,8]}
-PUZZLE:
-_ 1 _  _ _ _  _ _ 4
-_ _ 4  9 _ 5  8 _ 3
-6 _ 3  7 _ _  9 _ _
-
-_ 8 1  _ _ 7  _ _ _
-5 _ _  _ 3 _  _ _ _
-_ 3 _  _ 6 _  _ _ _
-
-7 _ _  _ _ _  _ 1 2
-_ _ 2  _ 5 4  _ _ _
-_ _ _  _ _ _  5 _ _
-
-SOLUTION:
-8 1 9  3 2 6  7 5 4
-2 7 4  9 1 5  8 6 3
-6 5 3  7 4 8  9 2 1
-
-4 8 1  5 9 7  2 3 6
-5 2 6  8 3 1  4 9 7
-9 3 7  4 6 2  1 8 5
-
-7 4 5  6 8 9  3 1 2
-3 9 2  1 5 4  6 7 8
-1 6 8  2 7 3  5 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[3,4,null,null,1,null,5,null,null,8,null,1,0,3,null,null,null,null,null,null,null,2,null,null,0,null,null,1,null,7,null,0,null,null,null,null,null,null,null,5,null,null,null,4,null,0,null,null,3,8,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,3,2,4,3,null,null,2,null,6,null,null],"solution":[3,4,0,6,1,7,5,2,8,8,2,1,0,3,5,7,6,4,5,7,6,2,4,8,0,1,3,1,8,7,4,0,2,3,5,6,2,6,3,5,7,1,8,4,0,0,5,4,3,8,6,2,7,1,7,1,2,8,6,3,4,0,5,6,0,8,7,5,4,1,3,2,4,3,5,1,2,0,6,8,7]}
-PUZZLE:
-4 5 _  _ 2 _  6 _ _
-9 _ 2  1 4 _  _ _ _
-_ _ _  3 _ _  1 _ _
-
-2 _ 8  _ 1 _  _ _ _
-_ _ _  6 _ _  _ 5 _
-1 _ _  4 9 _  _ _ _
-
-_ _ _  _ _ _  _ _ 6
-_ _ _  _ _ _  _ 4 3
-5 4 _  _ 3 _  7 _ _
-
-SOLUTION:
-4 5 1  7 2 8  6 3 9
-9 3 2  1 4 6  8 7 5
-6 8 7  3 5 9  1 2 4
-
-2 9 8  5 1 3  4 6 7
-3 7 4  6 8 2  9 5 1
-1 6 5  4 9 7  3 8 2
-
-8 2 3  9 7 4  5 1 6
-7 1 9  8 6 5  2 4 3
-5 4 6  2 3 1  7 9 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,3,null,null,4,null,null,null,5,null,4,null,null,null,1,2,null,8,0,null,null,null,null,null,0,null,null,null,null,null,8,2,null,null,null,3,null,null,null,null,6,null,null,2,null,4,null,null,null,null,7,null,null,null,null,0,null,5,null,null,null,3,null,6,null,7,1,null,null,null,null,null,2,null,null,null,null,8],"solution":[1,0,7,5,3,8,2,4,6,3,6,5,7,4,2,0,8,1,2,4,8,0,6,1,7,5,3,0,1,4,3,7,6,8,2,5,7,8,3,1,2,5,4,6,0,5,2,6,4,8,0,3,1,7,6,7,1,8,0,4,5,3,2,8,3,2,6,5,7,1,0,4,4,5,0,2,1,3,6,7,8]}
-PUZZLE:
-_ _ _  _ 4 _  _ 5 _
-_ _ 6  _ 5 _  _ _ 2
-3 _ 9  1 _ _  _ _ _
-
-1 _ _  _ _ _  9 3 _
-_ _ 4  _ _ _  _ 7 _
-_ 3 _  5 _ _  _ _ 8
-
-_ _ _  _ 1 _  6 _ _
-_ 4 _  7 _ 8  2 _ _
-_ _ _  3 _ _  _ _ 9
-
-SOLUTION:
-2 1 8  6 4 9  3 5 7
-4 7 6  8 5 3  1 9 2
-3 5 9  1 7 2  8 6 4
-
-1 2 5  4 8 7  9 3 6
-8 9 4  2 3 6  5 7 1
-6 3 7  5 9 1  4 2 8
-
-7 8 2  9 1 5  6 4 3
-9 4 3  7 6 8  2 1 5
-5 6 1  3 2 4  7 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,3,null,null,null,null,null,null,1,7,null,null,null,null,null,4,2,null,null,null,null,null,6,null,null,null,0,null,5,null,2,7,3,null,3,5,null,null,null,8,null,0,null,null,null,null,2,null,6,null,null,null,4,null,null,7,null,null,null,null,6,null,null,null,null,null,null,0,null,null,null,2,4,1,null,null,null,null],"solution":[7,8,6,2,3,1,0,5,4,5,0,1,7,4,6,3,2,8,4,2,3,5,0,8,1,6,7,1,6,0,8,5,4,2,7,3,2,3,5,1,6,7,8,4,0,8,7,4,0,2,3,6,1,5,0,4,8,6,7,2,5,3,1,6,1,7,3,8,5,4,0,2,3,5,2,4,1,0,7,8,6]}
-PUZZLE:
-_ 9 _  _ 4 _  _ _ _
-_ _ 2  8 _ _  _ _ _
-5 3 _  _ _ _  _ 7 _
-
-_ _ 1  _ 6 _  3 8 4
-_ 4 6  _ _ _  9 _ 1
-_ _ _  _ 3 _  7 _ _
-
-_ 5 _  _ 8 _  _ _ _
-7 _ _  _ _ _  _ 1 _
-_ _ 3  5 2 _  _ _ _
-
-SOLUTION:
-8 9 7  3 4 2  1 6 5
-6 1 2  8 5 7  4 3 9
-5 3 4  6 1 9  2 7 8
-
-2 7 1  9 6 5  3 8 4
-3 4 6  2 7 8  9 5 1
-9 8 5  1 3 4  7 2 6
-
-1 5 9  7 8 3  6 4 2
-7 2 8  4 9 6  5 1 3
-4 6 3  5 2 1  8 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,null,1,null,3,4,null,1,null,null,null,0,null,null,null,5,null,6,null,4,2,null,4,null,null,null,null,null,null,null,null,2,7,null,null,null,8,null,null,null,null,null,null,0,null,null,6,null,null,null,null,null,null,null,null,3,null,3,5,8,null,6,null,null,0,null,1,null,null,null,null,null,null,null,null],"solution":[7,6,5,0,4,2,3,8,1,2,3,4,7,1,8,6,5,0,8,1,0,5,3,6,7,4,2,6,4,3,8,2,1,0,7,5,0,2,7,6,5,3,8,1,4,5,8,1,4,0,7,2,6,3,4,7,2,1,8,0,5,3,6,3,5,8,2,6,4,1,0,7,1,0,6,3,7,5,4,2,8]}
-PUZZLE:
-_ _ _  _ _ 3  _ _ 2
-_ 4 5  _ 2 _  _ _ 1
-_ _ _  6 _ 7  _ 5 3
-
-_ 5 _  _ _ _  _ _ _
-_ 3 8  _ _ _  9 _ _
-_ _ _  _ 1 _  _ 7 _
-
-_ _ _  _ _ _  _ 4 _
-4 6 9  _ 7 _  _ 1 _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 7 6  1 5 3  4 9 2
-3 4 5  8 2 9  7 6 1
-9 2 1  6 4 7  8 5 3
-
-7 5 4  9 3 2  1 8 6
-1 3 8  7 6 4  9 2 5
-6 9 2  5 1 8  3 7 4
-
-5 8 3  2 9 1  6 4 7
-4 6 9  3 7 5  2 1 8
-2 1 7  4 8 6  5 3 9
-
-RATING: 2
-DATA:
-{"puzzle":[null,5,null,null,null,null,null,null,7,null,null,1,null,null,2,null,null,null,3,null,null,1,0,null,null,null,null,6,null,null,null,5,0,4,null,null,null,4,null,null,6,null,null,null,8,null,null,null,null,null,8,7,1,null,null,null,null,null,null,null,0,null,null,null,null,null,null,3,6,null,null,4,null,3,null,null,7,null,8,null,null],"solution":[8,5,0,6,4,3,1,2,7,7,6,1,5,8,2,3,4,0,3,2,4,1,0,7,6,8,5,6,1,8,7,5,0,4,3,2,2,4,7,3,6,1,5,0,8,5,0,3,4,2,8,7,1,6,4,7,2,8,1,5,0,6,3,1,8,5,0,3,6,2,7,4,0,3,6,2,7,4,8,5,1]}
-PUZZLE:
-_ 6 _  _ _ _  _ _ 8
-_ _ 2  _ _ 3  _ _ _
-4 _ _  2 1 _  _ _ _
-
-7 _ _  _ 6 1  5 _ _
-_ 5 _  _ 7 _  _ _ 9
-_ _ _  _ _ 9  8 2 _
-
-_ _ _  _ _ _  1 _ _
-_ _ _  _ 4 7  _ _ 5
-_ 4 _  _ 8 _  9 _ _
-
-SOLUTION:
-9 6 1  7 5 4  2 3 8
-8 7 2  6 9 3  4 5 1
-4 3 5  2 1 8  7 9 6
-
-7 2 9  8 6 1  5 4 3
-3 5 8  4 7 2  6 1 9
-6 1 4  5 3 9  8 2 7
-
-5 8 3  9 2 6  1 7 4
-2 9 6  1 4 7  3 8 5
-1 4 7  3 8 5  9 6 2
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,7,null,null,null,null,4,null,null,null,null,0,null,8,null,null,null,6,null,null,null,null,4,6,2,1,7,null,null,3,null,null,7,1,null,4,2,8,null,null,null,3,null,null,null,null,1,null,null,null,null,null,3,null,null,null,null,8,null,null,null,null,null,null,6,1,null,null,null,null,null,null,5,null,null,null,null,1,6,null,null],"solution":[6,7,2,1,3,5,4,0,8,1,4,0,7,8,2,3,5,6,8,3,5,0,4,6,2,1,7,0,5,3,6,2,7,1,8,4,2,8,7,4,1,3,0,6,5,4,1,6,5,0,8,7,3,2,3,2,4,8,6,0,5,7,1,7,6,1,3,5,4,8,2,0,5,0,8,2,7,1,6,4,3]}
-PUZZLE:
-_ 8 _  _ _ _  5 _ _
-_ _ 1  _ 9 _  _ _ 7
-_ _ _  _ 5 7  3 2 8
-
-_ _ 4  _ _ 8  2 _ 5
-3 9 _  _ _ 4  _ _ _
-_ 2 _  _ _ _  _ 4 _
-
-_ _ _  9 _ _  _ _ _
-_ 7 2  _ _ _  _ _ _
-6 _ _  _ _ 2  7 _ _
-
-SOLUTION:
-7 8 3  2 4 6  5 1 9
-2 5 1  8 9 3  4 6 7
-9 4 6  1 5 7  3 2 8
-
-1 6 4  7 3 8  2 9 5
-3 9 8  5 2 4  1 7 6
-5 2 7  6 1 9  8 4 3
-
-4 3 5  9 7 1  6 8 2
-8 7 2  4 6 5  9 3 1
-6 1 9  3 8 2  7 5 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,6,3,null,null,null,null,2,null,3,null,6,null,null,1,null,4,2,5,null,null,1,null,null,null,null,null,null,null,0,2,4,null,null,null,1,null,0,null,null,null,null,8,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,8,7,null,null,null,6,4,null,null,5,null,null,null,4,8,null,7,null],"solution":[4,1,6,3,7,5,8,0,2,0,3,7,6,8,2,1,5,4,2,5,8,4,1,0,3,6,7,3,8,5,0,2,4,7,1,6,1,4,0,7,6,3,2,8,5,7,6,2,8,5,1,0,4,3,6,2,4,1,0,7,5,3,8,8,7,1,5,3,6,4,2,0,5,0,3,2,4,8,6,7,1]}
-PUZZLE:
-_ _ 7  4 _ _  _ _ 3
-_ 4 _  7 _ _  2 _ 5
-3 6 _  _ 2 _  _ _ _
-
-_ _ _  1 3 5  _ _ _
-2 _ 1  _ _ _  _ 9 _
-_ _ _  _ _ _  _ _ 4
-
-_ _ _  _ _ _  _ _ _
-9 8 _  _ _ 7  5 _ _
-6 _ _  _ 5 9  _ 8 _
-
-SOLUTION:
-5 2 7  4 8 6  9 1 3
-1 4 8  7 9 3  2 6 5
-3 6 9  5 2 1  4 7 8
-
-4 9 6  1 3 5  8 2 7
-2 5 1  8 7 4  3 9 6
-8 7 3  9 6 2  1 5 4
-
-7 3 5  2 1 8  6 4 9
-9 8 2  6 4 7  5 3 1
-6 1 4  3 5 9  7 8 2
+8 5 4  2 7 1  9 3 6
+1 7 9  3 6 5  4 8 2
+3 6 2  8 9 4  1 7 5
 
 RATING: 4
 DATA:
-{"puzzle":[null,4,null,null,null,null,null,5,null,null,6,null,4,null,7,null,null,3,null,null,null,null,5,6,2,null,null,7,null,8,null,null,4,null,null,null,2,null,null,0,null,1,8,null,7,null,null,null,null,null,2,null,4,null,null,null,null,null,null,null,7,null,null,6,null,null,null,null,null,null,null,1,null,1,0,null,null,null,null,null,2],"solution":[3,4,7,1,2,0,6,5,8,5,6,2,4,8,7,0,1,3,0,8,1,3,5,6,2,7,4,7,0,8,5,3,4,1,2,6,2,5,4,0,6,1,8,3,7,1,3,6,8,7,2,5,4,0,4,2,3,6,1,8,7,0,5,6,7,5,2,0,3,4,8,1,8,1,0,7,4,5,3,6,2]}
+{"puzzle":[null,null,null,6,null,8,1,null,null,null,null,3,null,5,null,4,6,null,null,null,5,null,null,null,null,null,7,null,5,null,7,6,null,null,null,null,null,null,null,null,null,null,null,1,null,1,null,null,null,null,null,null,null,2,7,3,8,1,null,null,0,null,null,null,null,null,null,7,3,null,2,null,2,null,null,null,null,null,5,null,null],"solution":[0,2,7,6,4,8,1,3,5,8,1,3,2,5,7,4,6,0,6,4,5,3,1,0,2,8,7,4,5,2,7,6,1,3,0,8,3,8,6,5,0,2,7,1,4,1,7,0,8,3,4,6,5,2,7,3,8,1,2,5,0,4,6,5,6,4,0,7,3,8,2,1,2,0,1,4,8,6,5,7,3]}
 PUZZLE:
-_ 5 _  _ _ _  _ 6 _
-_ 7 _  5 _ 8  _ _ 4
-_ _ _  _ 6 7  3 _ _
+_ _ _  7 _ 9  2 _ _
+_ _ 4  _ 6 _  5 7 _
+_ _ 6  _ _ _  _ _ 8
 
-8 _ 9  _ _ 5  _ _ _
-3 _ _  1 _ 2  9 _ 8
-_ _ _  _ _ 3  _ 5 _
+_ 6 _  8 7 _  _ _ _
+_ _ _  _ _ _  _ 2 _
+2 _ _  _ _ _  _ _ 3
 
-_ _ _  _ _ _  8 _ _
-7 _ _  _ _ _  _ _ 2
-_ 2 1  _ _ _  _ _ 3
+8 4 9  2 _ _  1 _ _
+_ _ _  _ 8 4  _ 3 _
+3 _ _  _ _ _  6 _ _
 
 SOLUTION:
-4 5 8  2 3 1  7 6 9
-6 7 3  5 9 8  1 2 4
-1 9 2  4 6 7  3 8 5
+1 3 8  7 5 9  2 4 6
+9 2 4  3 6 8  5 7 1
+7 5 6  4 2 1  3 9 8
 
-8 1 9  6 4 5  2 3 7
-3 6 5  1 7 2  9 4 8
-2 4 7  9 8 3  6 5 1
-
-5 3 4  7 2 9  8 1 6
-7 8 6  3 1 4  5 9 2
-9 2 1  8 5 6  4 7 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,2,3,null,null,6,null,null,null,null,null,1,0,5,null,null,null,3,null,null,6,5,null,null,2,6,8,null,null,0,4,7,null,null,2,null,null,5,null,null,null,3,null,null,5,null,null,null,null,4,null,null,null,null,2,null,5,null,null,null,0,null,null,null,null,null,6,null,null,null,1,null,null,null,null,null,null,7,null],"solution":[5,1,4,2,3,8,0,6,7,8,2,6,7,1,0,5,4,3,0,3,7,4,6,5,8,1,2,6,8,1,3,0,4,7,2,5,2,4,0,5,7,1,6,3,8,7,5,3,6,8,2,4,0,1,4,6,2,1,5,7,3,8,0,3,7,8,0,2,6,1,5,4,1,0,5,8,4,3,2,7,6]}
-PUZZLE:
-_ _ _  3 4 _  _ 7 _
-_ _ _  _ 2 1  6 _ _
-_ 4 _  _ 7 6  _ _ 3
-
-7 9 _  _ 1 5  8 _ _
-3 _ _  6 _ _  _ 4 _
-_ 6 _  _ _ _  5 _ _
-
-_ _ 3  _ 6 _  _ _ 1
-_ _ _  _ _ 7  _ _ _
-2 _ _  _ _ _  _ 8 _
-
-SOLUTION:
-6 2 5  3 4 9  1 7 8
-9 3 7  8 2 1  6 5 4
-1 4 8  5 7 6  9 2 3
-
-7 9 2  4 1 5  8 3 6
-3 5 1  6 8 2  7 4 9
-8 6 4  7 9 3  5 1 2
-
-5 7 3  2 6 8  4 9 1
-4 8 9  1 3 7  2 6 5
-2 1 6  9 5 4  3 8 7
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,5,null,null,7,0,null,null,null,2,null,0,null,null,6,null,null,3,3,null,null,null,null,null,null,1,null,null,1,null,5,null,null,null,null,null,null,null,7,null,null,null,2,4,null,null,4,null,null,8,null,null,null,null,null,null,null,0,null,1,null,3,null,null,2,null,null,null,null,4,null,null,4,null,null,null,null,null,null,5,null],"solution":[1,5,4,3,7,0,6,2,8,2,8,0,4,1,6,5,7,3,3,7,6,8,5,2,0,1,4,6,1,2,5,0,4,3,8,7,8,0,7,1,6,3,2,4,5,5,4,3,2,8,7,1,0,6,7,6,5,0,4,1,8,3,2,0,2,8,7,3,5,4,6,1,4,3,1,6,2,8,7,5,0]}
-PUZZLE:
-_ 6 _  _ 8 1  _ _ _
-3 _ 1  _ _ 7  _ _ 4
-4 _ _  _ _ _  _ 2 _
-
-_ 2 _  6 _ _  _ _ _
-_ _ 8  _ _ _  3 5 _
-_ 5 _  _ 9 _  _ _ _
-
-_ _ _  1 _ 2  _ 4 _
-_ 3 _  _ _ _  5 _ _
-5 _ _  _ _ _  _ 6 _
-
-SOLUTION:
-2 6 5  4 8 1  7 3 9
-3 9 1  5 2 7  6 8 4
-4 8 7  9 6 3  1 2 5
-
-7 2 3  6 1 5  4 9 8
-9 1 8  2 7 4  3 5 6
-6 5 4  3 9 8  2 1 7
-
-8 7 6  1 5 2  9 4 3
-1 3 9  8 4 6  5 7 2
-5 4 2  7 3 9  8 6 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[5,null,null,null,null,2,8,7,null,2,6,null,null,null,null,null,null,3,null,null,null,null,null,4,null,null,null,null,null,1,null,null,null,3,5,null,4,2,null,null,null,null,null,8,null,null,null,null,1,null,null,null,null,null,null,1,3,null,7,null,null,null,null,null,null,null,3,null,null,1,null,4,null,null,8,null,null,null,7,null,null],"solution":[5,3,4,6,1,2,8,7,0,2,6,0,8,5,7,4,1,3,1,8,7,0,3,4,2,6,5,8,0,1,2,4,6,3,5,7,4,2,5,7,0,3,6,8,1,3,7,6,1,8,5,0,4,2,6,1,3,4,7,0,5,2,8,7,5,2,3,6,8,1,0,4,0,4,8,5,2,1,7,3,6]}
-PUZZLE:
-6 _ _  _ _ 3  9 8 _
-3 7 _  _ _ _  _ _ 4
-_ _ _  _ _ 5  _ _ _
-
-_ _ 2  _ _ _  4 6 _
-5 3 _  _ _ _  _ 9 _
-_ _ _  2 _ _  _ _ _
-
-_ 2 4  _ 8 _  _ _ _
-_ _ _  4 _ _  2 _ 5
-_ _ 9  _ _ _  8 _ _
-
-SOLUTION:
-6 4 5  7 2 3  9 8 1
-3 7 1  9 6 8  5 2 4
-2 9 8  1 4 5  3 7 6
-
-9 1 2  3 5 7  4 6 8
-5 3 6  8 1 4  7 9 2
-4 8 7  2 9 6  1 5 3
-
-7 2 4  5 8 1  6 3 9
-8 6 3  4 7 9  2 1 5
-1 5 9  6 3 2  8 4 7
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,6,null,null,null,7,null,2,null,null,null,null,null,null,8,7,null,1,5,null,null,null,6,4,0,null,null,7,null,null,null,null,1,null,null,null,1,null,null,5,null,3,4,null,null,null,8,5,null,null,null,null,null,6,0,2,null,null,null,null,null,null,null,null,null,8,3,null,null,null,null,4,null,null,null,null,null,null],"solution":[3,4,0,8,6,2,1,5,7,6,2,5,4,7,1,0,3,8,7,8,1,5,0,3,2,6,4,0,5,8,7,3,6,4,2,1,2,6,7,1,4,0,5,8,3,4,1,3,2,8,5,7,0,6,1,3,6,0,2,4,8,7,5,5,7,2,6,1,8,3,4,0,8,0,4,3,5,7,6,1,2]}
-PUZZLE:
-_ _ _  _ 7 _  _ _ 8
-_ 3 _  _ _ _  _ _ 9
-8 _ 2  6 _ _  _ 7 5
-
-1 _ _  8 _ _  _ _ 2
-_ _ _  2 _ _  6 _ 4
-5 _ _  _ 9 6  _ _ _
-
-_ _ 7  1 3 _  _ _ _
-_ _ _  _ _ 9  4 _ _
-_ _ 5  _ _ _  _ _ _
-
-SOLUTION:
-4 5 1  9 7 3  2 6 8
-7 3 6  5 8 2  1 4 9
-8 9 2  6 1 4  3 7 5
-
-1 6 9  8 4 7  5 3 2
-3 7 8  2 5 1  6 9 4
-5 2 4  3 9 6  8 1 7
-
-2 4 7  1 3 5  9 8 6
-6 8 3  7 2 9  4 5 1
-9 1 5  4 6 8  7 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,3,2,null,null,1,null,2,6,null,5,null,null,null,null,null,null,0,null,null,null,null,7,null,null,7,null,null,4,null,null,5,4,null,null,null,5,null,8,6,null,null,1,6,3,null,null,null,null,null,null,6,null,null,null,null,null,null,null,7,null,null,8,null,null,4,null,0,3,null,null,null,4,null,null,1,null],"solution":[0,7,8,4,1,3,2,5,6,1,3,2,6,7,5,0,8,4,6,4,5,0,2,8,1,3,7,2,8,7,1,6,4,3,0,5,4,0,3,7,5,2,8,6,1,5,1,6,3,8,0,7,4,2,8,6,4,2,0,1,5,7,3,7,5,1,8,3,6,4,2,0,3,2,0,5,4,7,6,1,8]}
-PUZZLE:
-_ _ _  _ _ 4  3 _ _
-2 _ 3  7 _ 6  _ _ _
-_ _ _  1 _ _  _ _ 8
-
-_ _ 8  _ _ 5  _ _ 6
-5 _ _  _ 6 _  9 7 _
-_ 2 7  4 _ _  _ _ _
-
-_ 7 _  _ _ _  _ _ _
-8 _ _  9 _ _  5 _ 1
-4 _ _  _ 5 _  _ 2 _
-
-SOLUTION:
-1 8 9  5 2 4  3 6 7
-2 4 3  7 8 6  1 9 5
-7 5 6  1 3 9  2 4 8
-
-3 9 8  2 7 5  4 1 6
-5 1 4  8 6 3  9 7 2
-6 2 7  4 9 1  8 5 3
-
-9 7 5  3 1 2  6 8 4
-8 6 2  9 4 7  5 3 1
-4 3 1  6 5 8  7 2 9
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,3,7,null,null,0,null,6,null,4,null,null,null,5,null,null,1,null,null,0,2,null,null,null,null,null,null,null,null,null,1,7,null,null,null,5,null,1,8,3,2,null,null,8,0,null,null,null,null,null,null,7,null,null,null,null,3,null,null,null,null,null,null,null,null,null,6,null,null,null,5,null,2,null,null,null,null],"solution":[8,2,4,1,5,3,7,0,6,0,3,6,2,4,7,1,8,5,7,5,1,6,8,0,2,4,3,5,6,2,8,3,4,0,1,7,4,0,7,5,6,1,8,3,2,3,1,8,0,7,2,6,5,4,6,7,0,4,1,5,3,2,8,2,4,3,7,0,8,5,6,1,1,8,5,3,2,6,4,7,0]}
-PUZZLE:
-_ _ _  _ _ 4  8 _ _
-1 _ 7  _ 5 _  _ _ 6
-_ _ 2  _ _ 1  3 _ _
-
-_ _ _  _ _ _  _ 2 8
-_ _ _  6 _ 2  9 4 3
-_ _ 9  1 _ _  _ _ _
-
-_ 8 _  _ _ _  4 _ _
-_ _ _  _ _ _  _ 7 _
-_ _ 6  _ 3 _  _ _ _
-
-SOLUTION:
-9 3 5  2 6 4  8 1 7
-1 4 7  3 5 8  2 9 6
-8 6 2  7 9 1  3 5 4
-
-6 7 3  9 4 5  1 2 8
-5 1 8  6 7 2  9 4 3
-4 2 9  1 8 3  7 6 5
-
-7 8 1  5 2 6  4 3 9
-3 5 4  8 1 9  6 7 2
-2 9 6  4 3 7  5 8 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,4,null,null,3,null,null,null,null,8,null,null,null,5,6,null,2,null,6,null,null,null,null,8,null,3,null,null,8,null,0,null,null,null,6,4,null,null,7,null,null,null,null,null,2,null,null,6,5,7,null,3,0,7,null,null,null,2,8,null,null,4,null,null,2,null,6,null,null,null,null,null,null,null,null,null,null,null],"solution":[6,5,8,7,4,0,1,3,2,1,7,0,8,3,2,4,5,6,4,2,3,6,5,1,7,0,8,7,3,1,2,8,5,0,6,4,5,6,4,3,0,7,8,2,1,0,8,2,4,1,6,5,7,3,3,0,7,1,6,4,2,8,5,8,4,5,0,2,3,6,1,7,2,1,6,5,7,8,3,4,0]}
-PUZZLE:
-_ _ _  _ 5 _  _ 4 _
-_ _ _  9 _ _  _ 6 7
-_ 3 _  7 _ _  _ _ 9
-
-_ 4 _  _ 9 _  1 _ _
-_ 7 5  _ _ 8  _ _ _
-_ _ 3  _ _ 7  6 8 _
-
-4 1 8  _ _ _  3 9 _
-_ 5 _  _ 3 _  7 _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-7 6 9  8 5 1  2 4 3
-2 8 1  9 4 3  5 6 7
-5 3 4  7 6 2  8 1 9
-
-8 4 2  3 9 6  1 7 5
-6 7 5  4 1 8  9 3 2
-1 9 3  5 2 7  6 8 4
-
-4 1 8  2 7 5  3 9 6
-9 5 6  1 3 4  7 2 8
-3 2 7  6 8 9  4 5 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,6,1,null,null,null,3,null,null,null,null,null,null,8,0,6,null,null,null,null,null,7,5,7,null,null,null,2,null,5,null,1,null,null,null,null,5,null,2,0,null,null,null,null,7,null,null,null,null,null,6,null,2,3,null,1,7,null,null,null,null,3,null,0,4,null,null,null,null,null,null,null,null,null,null,null,6],"solution":[8,2,7,5,3,6,1,4,0,1,3,5,0,4,7,6,2,8,0,6,4,8,1,2,3,7,5,7,8,0,4,2,3,5,6,1,3,4,6,1,5,8,2,0,7,2,5,1,7,6,0,4,8,3,6,0,2,3,8,1,7,5,4,5,7,3,6,0,4,8,1,2,4,1,8,2,7,5,0,3,6]}
-PUZZLE:
-_ _ _  _ _ 7  2 _ _
-_ 4 _  _ _ _  _ _ 9
-1 7 _  _ _ _  _ 8 6
-
-8 _ _  _ 3 _  6 _ 2
-_ _ _  _ 6 _  3 1 _
-_ _ _  8 _ _  _ _ _
-
-7 _ 3  4 _ 2  8 _ _
-_ _ 4  _ 1 5  _ _ _
-_ _ _  _ _ _  _ _ 7
-
-SOLUTION:
-9 3 8  6 4 7  2 5 1
-2 4 6  1 5 8  7 3 9
-1 7 5  9 2 3  4 8 6
-
-8 9 1  5 3 4  6 7 2
-4 5 7  2 6 9  3 1 8
-3 6 2  8 7 1  5 9 4
-
-7 1 3  4 9 2  8 6 5
-6 8 4  7 1 5  9 2 3
-5 2 9  3 8 6  1 4 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,6,null,null,6,null,null,1,null,4,3,null,5,3,null,null,null,null,null,null,null,3,null,null,7,8,0,null,null,6,null,null,null,1,null,3,null,null,1,null,null,null,6,null,null,null,7,7,2,1,null,null,5,null,null,8,null,0,null,null,8,null,null,null,null,null,null,5,2,null,null,null,null,null],"solution":[4,1,7,8,2,3,5,0,6,2,8,6,0,5,1,7,4,3,0,5,3,7,4,6,8,1,2,5,3,2,4,7,8,0,6,1,6,7,0,5,1,2,3,8,4,1,4,8,3,6,0,2,5,7,7,2,1,6,0,5,4,3,8,3,0,4,1,8,7,6,2,5,8,6,5,2,3,4,1,7,0]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 7
-_ _ 7  _ _ 2  _ 5 4
-_ 6 4  _ _ _  _ _ _
-
-_ 4 _  _ 8 9  1 _ _
-7 _ _  _ 2 _  4 _ _
-2 _ _  _ 7 _  _ _ 8
-
-8 3 2  _ _ 6  _ _ 9
-_ 1 _  _ 9 _  _ _ _
-_ _ 6  3 _ _  _ _ _
-
-SOLUTION:
-5 2 8  9 3 4  6 1 7
-3 9 7  1 6 2  8 5 4
-1 6 4  8 5 7  9 2 3
-
-6 4 3  5 8 9  1 7 2
-7 8 1  6 2 3  4 9 5
-2 5 9  4 7 1  3 6 8
-
-8 3 2  7 1 6  5 4 9
-4 1 5  2 9 8  7 3 6
-9 7 6  3 4 5  2 8 1
-
-RATING: 2.5
-DATA:
-{"puzzle":[2,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,4,null,7,null,null,null,6,null,null,null,null,4,null,null,null,null,null,null,null,5,null,2,null,3,8,7,null,null,null,null,null,null,null,null,0,null,3,null,null,null,null,7,null,3,8,null,null,1,4,null,null,null,8,5,null,null,null,null,3,null,4,1,null,7,null],"solution":[2,6,8,0,3,4,1,5,7,3,1,5,8,7,2,0,4,6,7,0,4,1,6,5,3,2,8,4,3,0,2,1,6,7,8,5,5,2,1,3,8,7,4,6,0,8,7,6,4,5,0,2,3,1,6,5,2,7,0,3,8,1,4,1,4,7,6,2,8,5,0,3,0,8,3,5,4,1,6,7,2]}
-PUZZLE:
-3 _ _  _ _ _  2 _ _
-_ _ _  _ _ _  _ 5 _
-8 _ _  _ 7 _  _ _ _
-
-5 _ _  _ _ _  _ _ 6
-_ 3 _  4 9 8  _ _ _
-_ _ _  _ _ 1  _ 4 _
-
-_ _ _  8 _ 4  9 _ _
-2 5 _  _ _ 9  6 _ _
-_ _ 4  _ 5 2  _ 8 _
-
-SOLUTION:
-3 7 9  1 4 5  2 6 8
-4 2 6  9 8 3  1 5 7
-8 1 5  2 7 6  4 3 9
-
-5 4 1  3 2 7  8 9 6
-6 3 2  4 9 8  5 7 1
-9 8 7  5 6 1  3 4 2
-
-7 6 3  8 1 4  9 2 5
-2 5 8  7 3 9  6 1 4
-1 9 4  6 5 2  7 8 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,null,7,null,null,0,2,5,null,null,null,null,null,3,1,null,null,0,null,2,null,null,null,null,null,null,5,null,null,null,null,1,2,null,7,null,null,6,5,null,null,null,0,null,null,1,null,null,7,null,3,null,null,null,8,null,0,1,null,null,null,null,4,null,null,8,null,null,4,null,null,null,null,null,null,null,null],"solution":[6,3,8,1,5,4,7,2,0,0,2,5,8,6,7,1,4,3,1,7,4,0,3,2,6,8,5,8,4,6,5,7,0,2,3,1,2,1,7,3,4,6,5,0,8,5,0,3,2,1,8,4,7,6,3,6,2,7,8,5,0,1,4,7,5,1,4,0,3,8,6,2,4,8,0,6,2,1,3,5,7]}
-PUZZLE:
-_ _ 9  _ _ _  8 _ _
-1 3 6  _ _ _  _ _ 4
-2 _ _  1 _ 3  _ _ _
-
-_ _ _  6 _ _  _ _ 2
-3 _ 8  _ _ 7  6 _ _
-_ 1 _  _ 2 _  _ 8 _
-
-4 _ _  _ 9 _  1 2 _
-_ _ _  5 _ _  9 _ _
-5 _ _  _ _ _  _ _ _
-
-SOLUTION:
-7 4 9  2 6 5  8 3 1
-1 3 6  9 7 8  2 5 4
-2 8 5  1 4 3  7 9 6
-
-9 5 7  6 8 1  3 4 2
-3 2 8  4 5 7  6 1 9
-6 1 4  3 2 9  5 8 7
-
-4 7 3  8 9 6  1 2 5
-8 6 2  5 1 4  9 7 3
-5 9 1  7 3 2  4 6 8
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,7,6,null,5,null,null,2,4,null,null,null,3,null,null,null,0,2,6,null,null,null,null,null,null,1,null,2,null,7,null,null,1,null,null,5,null,null,1,null,null,6,null,4,null,null,null,null,null,8,2,5,null,null,8,null,null,null,null,null,null,null,1,null,null,null,4,null,null,null,null,null,null,null,null,null,0,null,null,5],"solution":[3,0,7,6,1,5,8,4,2,4,1,8,2,3,7,5,6,0,2,6,5,0,8,4,7,3,1,8,2,4,7,5,6,1,0,3,5,7,0,1,2,3,6,8,4,6,3,1,4,0,8,2,5,7,0,8,3,5,7,1,4,2,6,1,5,6,3,4,2,0,7,8,7,4,2,8,6,0,3,1,5]}
-PUZZLE:
-_ _ 8  7 _ 6  _ _ 3
-5 _ _  _ 4 _  _ _ 1
-3 7 _  _ _ _  _ _ 2
-
-_ 3 _  8 _ _  2 _ _
-6 _ _  2 _ _  7 _ 5
-_ _ _  _ _ 9  3 6 _
-
-_ 9 _  _ _ _  _ _ _
-2 _ _  _ 5 _  _ _ _
-_ _ _  _ _ 1  _ _ 6
-
-SOLUTION:
-4 1 8  7 2 6  9 5 3
-5 2 9  3 4 8  6 7 1
-3 7 6  1 9 5  8 4 2
-
-9 3 5  8 6 7  2 1 4
-6 8 1  2 3 4  7 9 5
-7 4 2  5 1 9  3 6 8
-
-1 9 4  6 8 2  5 3 7
-2 6 7  4 5 3  1 8 9
-8 5 3  9 7 1  4 2 6
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,null,8,null,null,6,null,null,5,null,3,null,null,1,null,null,null,null,2,null,null,7,null,null,8,null,2,5,null,null,null,null,null,0,null,null,null,null,2,null,null,8,null,null,null,4,null,null,3,7,null,null,null,null,null,null,null,null,null,3,4,0,null,null,null,null,8,null,null,7,1,null,null,null,null,0,null,null],"solution":[1,7,4,0,5,8,2,3,6,2,8,5,6,3,7,4,1,0,3,6,0,2,4,1,7,8,5,8,4,2,5,7,3,6,0,1,0,3,7,1,6,2,5,4,8,6,5,1,4,8,0,3,7,2,5,2,8,7,0,4,1,6,3,4,0,6,3,1,5,8,2,7,7,1,3,8,2,6,0,5,4]}
-PUZZLE:
-_ _ _  _ _ 9  _ _ 7
-_ _ 6  _ 4 _  _ 2 _
-_ _ _  3 _ _  8 _ _
-
-9 _ 3  6 _ _  _ _ _
-1 _ _  _ _ 3  _ _ 9
-_ _ _  5 _ _  4 8 _
-
-_ _ _  _ _ _  _ _ 4
-5 1 _  _ _ _  9 _ _
-8 2 _  _ _ _  1 _ _
-
-SOLUTION:
-2 8 5  1 6 9  3 4 7
-3 9 6  7 4 8  5 2 1
-4 7 1  3 5 2  8 9 6
-
-9 5 3  6 8 4  7 1 2
-1 4 8  2 7 3  6 5 9
-7 6 2  5 9 1  4 8 3
-
-6 3 9  8 1 5  2 7 4
-5 1 7  4 2 6  9 3 8
-8 2 4  9 3 7  1 6 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,5,0,null,null,null,null,8,null,null,8,null,null,5,0,null,2,4,null,null,null,3,8,null,null,null,1,null,0,null,6,null,null,7,null,null,6,null,null,8,1,null,null,null,3,null,null,3,null,null,2,null,null,null,null,null,6,null,null,null,8,null,null,null,null,null,null,null,7,null,null,null,7,4,null,null,null,null,null,null,null],"solution":[4,5,0,1,2,6,3,8,7,3,8,1,7,5,0,6,2,4,2,6,7,3,8,4,0,5,1,5,0,2,6,4,3,7,1,8,6,7,4,8,1,5,2,0,3,8,1,3,0,7,2,5,4,6,0,2,6,4,3,1,8,7,5,1,3,8,5,0,7,4,6,2,7,4,5,2,6,8,1,3,0]}
-PUZZLE:
-_ 6 1  _ _ _  _ 9 _
-_ 9 _  _ 6 1  _ 3 5
-_ _ _  4 9 _  _ _ 2
-
-_ 1 _  7 _ _  8 _ _
-7 _ _  9 2 _  _ _ 4
-_ _ 4  _ _ 3  _ _ _
-
-_ _ 7  _ _ _  9 _ _
-_ _ _  _ _ 8  _ _ _
-8 5 _  _ _ _  _ _ _
-
-SOLUTION:
-5 6 1  2 3 7  4 9 8
-4 9 2  8 6 1  7 3 5
-3 7 8  4 9 5  1 6 2
-
-6 1 3  7 5 4  8 2 9
-7 8 5  9 2 6  3 1 4
-9 2 4  1 8 3  6 5 7
-
-1 3 7  5 4 2  9 8 6
-2 4 9  6 1 8  5 7 3
-8 5 6  3 7 9  2 4 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,1,null,null,null,null,null,null,null,null,null,null,null,null,5,7,4,3,null,null,null,0,null,null,null,0,5,6,null,null,2,null,3,null,null,null,null,8,null,4,null,1,3,null,null,4,null,5,null,null,null,1,null,8,null,null,4,6,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,null,0,7],"solution":[5,6,0,7,1,3,8,2,4,8,1,2,0,4,6,3,7,5,7,4,3,8,5,2,0,1,6,4,0,5,6,7,1,2,8,3,6,2,7,3,8,0,4,5,1,3,8,1,4,2,5,7,6,0,1,7,8,5,0,4,6,3,2,0,5,6,2,3,7,1,4,8,2,3,4,1,6,8,5,0,7]}
-PUZZLE:
-_ _ 1  _ 2 _  _ _ _
-_ _ _  _ _ _  _ _ 6
-8 5 4  _ _ _  1 _ _
-
-_ 1 6  7 _ _  3 _ 4
-_ _ _  _ 9 _  5 _ 2
-4 _ _  5 _ 6  _ _ _
-
-2 _ 9  _ _ 5  7 _ _
-_ _ _  3 _ _  _ _ _
-_ _ _  _ _ _  _ 1 8
-
-SOLUTION:
-6 7 1  8 2 4  9 3 5
-9 2 3  1 5 7  4 8 6
-8 5 4  9 6 3  1 2 7
-
-5 1 6  7 8 2  3 9 4
-7 3 8  4 9 1  5 6 2
-4 9 2  5 3 6  8 7 1
-
-2 8 9  6 1 5  7 4 3
-1 6 7  3 4 8  2 5 9
-3 4 5  2 7 9  6 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,null,null,null,null,null,null,null,null,null,null,4,null,8,null,5,6,null,null,null,null,null,null,7,0,8,0,4,null,null,null,null,null,2,null,null,6,null,null,3,4,null,null,3,null,null,0,8,null,7,null,null,null,2,null,8,null,1,5,null,7,null,null,null,6,null,null,null,null,null,1,null,null,null,null,null,null,null,null],"solution":[7,5,8,3,1,0,6,2,4,2,3,0,7,4,6,8,1,5,6,4,1,2,5,8,3,7,0,8,0,4,5,6,7,1,3,2,5,7,6,1,2,3,4,0,8,3,1,2,0,8,4,7,5,6,4,2,3,8,0,1,5,6,7,0,8,7,6,3,5,2,4,1,1,6,5,4,7,2,0,8,3]}
-PUZZLE:
-8 _ _  _ _ _  _ _ _
-_ _ _  _ 5 _  9 _ 6
-7 _ _  _ _ _  _ 8 1
-
-9 1 5  _ _ _  _ _ 3
-_ _ 7  _ _ 4  5 _ _
-4 _ _  1 9 _  8 _ _
-
-_ 3 _  9 _ 2  6 _ 8
-_ _ _  7 _ _  _ _ _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 6 9  4 2 1  7 3 5
-3 4 1  8 5 7  9 2 6
-7 5 2  3 6 9  4 8 1
-
-9 1 5  6 7 8  2 4 3
-6 8 7  2 3 4  5 1 9
-4 2 3  1 9 5  8 6 7
-
-5 3 4  9 1 2  6 7 8
-1 9 8  7 4 6  3 5 2
-2 7 6  5 8 3  1 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,3,null,2,null,null,null,null,0,7,null,1,5,null,5,null,0,null,null,null,null,3,null,null,3,2,null,null,null,5,null,null,null,null,null,null,2,1,null,null,null,7,null,null,5,null,null,null,null,null,null,null,4,null,null,null,null,null,null,0,null,3,7,6,null,null,1,null,null,null,null,8,null,5,7,null,null],"solution":[1,4,7,6,5,3,0,2,8,3,2,8,0,7,4,1,5,6,5,6,0,2,1,8,4,3,7,6,3,2,4,0,7,5,8,1,4,8,5,3,2,1,6,7,0,7,0,1,5,8,6,3,4,2,8,7,4,1,3,0,2,6,5,0,5,3,7,6,2,8,1,4,2,1,6,8,4,5,7,0,3]}
-PUZZLE:
-_ _ _  _ _ 4  _ 3 _
-_ _ _  1 8 _  2 6 _
-6 _ 1  _ _ _  _ 4 _
-
-_ 4 3  _ _ _  6 _ _
-_ _ _  _ 3 2  _ _ _
-8 _ _  6 _ _  _ _ _
-
-_ _ 5  _ _ _  _ _ _
-1 _ 4  8 7 _  _ 2 _
-_ _ _  9 _ 6  8 _ _
-
-SOLUTION:
-2 5 8  7 6 4  1 3 9
-4 3 9  1 8 5  2 6 7
-6 7 1  3 2 9  5 4 8
-
-7 4 3  5 1 8  6 9 2
-5 9 6  4 3 2  7 8 1
-8 1 2  6 9 7  4 5 3
-
-9 8 5  2 4 1  3 7 6
-1 6 4  8 7 3  9 2 5
-3 2 7  9 5 6  8 1 4
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,4,null,3,null,null,7,null,null,null,null,null,null,5,null,8,1,null,null,null,7,null,2,null,null,null,null,null,7,null,1,6,null,null,8,8,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4,3,null,5,null,null,null,null,6,null,null,null,null,null,null,0,null,null,null,4,1,null,null,null,6,3,2,null,7],"solution":[5,8,4,6,3,1,0,7,2,6,7,2,0,4,5,3,8,1,3,0,1,7,8,2,4,6,5,4,2,7,3,1,6,5,0,8,8,3,5,4,7,0,1,2,6,0,1,6,2,5,8,7,4,3,7,5,8,1,2,4,6,3,0,2,6,3,5,0,7,8,1,4,1,4,0,8,6,3,2,5,7]}
-PUZZLE:
-_ _ 5  _ 4 _  _ 8 _
-_ _ _  _ _ 6  _ 9 2
-_ _ _  8 _ 3  _ _ _
-
-_ _ 8  _ 2 7  _ _ 9
-9 _ _  _ _ _  _ _ _
-_ 2 _  _ _ _  _ 5 4
-
-_ 6 _  _ _ _  7 _ _
-_ _ _  _ 1 _  _ _ 5
-2 _ _  _ 7 4  3 _ 8
-
-SOLUTION:
-6 9 5  7 4 2  1 8 3
-7 8 3  1 5 6  4 9 2
-4 1 2  8 9 3  5 7 6
-
-5 3 8  4 2 7  6 1 9
-9 4 6  5 8 1  2 3 7
-1 2 7  3 6 9  8 5 4
-
-8 6 9  2 3 5  7 4 1
-3 7 4  6 1 8  9 2 5
-2 5 1  9 7 4  3 6 8
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,null,null,null,null,null,null,null,1,null,3,6,null,null,null,2,null,6,4,null,1,8,null,6,null,null,7,null,null,0,null,null,7,0,null,null,5,6,null,2,null,null,null,null,null,null,null,8,null,4,3,6,null,null,null,null,null,5,null,null,3,null,null,null,8,null,null,null,2,null,4,null,3,null,null],"solution":[3,6,1,8,7,4,0,5,2,7,2,4,5,0,1,8,3,6,0,5,8,2,3,6,4,7,1,8,3,6,4,5,7,1,2,0,4,1,7,0,2,8,5,6,3,2,0,5,1,6,3,7,4,8,1,4,3,6,8,5,2,0,7,5,7,0,3,1,2,6,8,4,6,8,2,7,4,0,3,1,5]}
-PUZZLE:
-_ _ _  _ 8 _  _ _ _
-_ _ _  _ _ 2  _ 4 7
-_ _ _  3 _ 7  5 _ 2
-
-9 _ 7  _ _ 8  _ _ 1
-_ _ 8  1 _ _  6 7 _
-3 _ _  _ _ _  _ _ 9
-
-_ 5 4  7 _ _  _ _ _
-6 _ _  4 _ _  _ 9 _
-_ _ 3  _ 5 _  4 _ _
-
-SOLUTION:
-4 7 2  9 8 5  1 6 3
-8 3 5  6 1 2  9 4 7
-1 6 9  3 4 7  5 8 2
-
-9 4 7  5 6 8  2 3 1
-5 2 8  1 3 9  6 7 4
-3 1 6  2 7 4  8 5 9
-
-2 5 4  7 9 6  3 1 8
-6 8 1  4 2 3  7 9 5
-7 9 3  8 5 1  4 2 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,null,null,null,0,null,null,6,2,null,4,null,5,null,null,null,null,null,null,0,null,6,8,2,null,7,6,null,null,null,null,null,null,null,null,3,null,null,1,8,null,null,null,null,null,null,8,null,null,7,null,5,0,null,null,null,8,7,4,null,0,1,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4],"solution":[8,3,7,2,1,0,5,4,6,2,6,4,7,5,3,0,1,8,1,5,0,4,6,8,2,3,7,6,7,2,0,4,5,1,8,3,3,0,5,1,8,6,4,7,2,4,1,8,3,2,7,6,5,0,5,2,6,8,7,4,3,0,1,7,4,3,6,0,1,8,2,5,0,8,1,5,3,2,7,6,4]}
-PUZZLE:
-_ 4 _  _ _ 1  _ _ 7
-3 _ 5  _ 6 _  _ _ _
-_ _ 1  _ 7 9  3 _ 8
-
-7 _ _  _ _ _  _ _ _
-4 _ _  2 9 _  _ _ _
-_ _ 9  _ _ 8  _ 6 1
-
-_ _ _  9 8 5  _ 1 2
-_ _ _  _ _ _  _ _ _
-_ _ 2  _ _ _  _ _ 5
-
-SOLUTION:
-9 4 8  3 2 1  6 5 7
-3 7 5  8 6 4  1 2 9
-2 6 1  5 7 9  3 4 8
-
-7 8 3  1 5 6  2 9 4
-4 1 6  2 9 7  5 8 3
-5 2 9  4 3 8  7 6 1
-
-6 3 7  9 8 5  4 1 2
-8 5 4  7 1 2  9 3 6
-1 9 2  6 4 3  8 7 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,2,0,null,3,null,null,5,null,null,null,null,8,null,null,null,null,6,8,4,null,null,null,null,2,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,1,2,null,6,null,5,null,8,null,6,null,3,null,null,null,1,null,null,7,null,5,null,5,null,null,null,1,null,3,null,null,null,2,null,null,null,null,8,null,null],"solution":[7,1,2,0,4,3,6,8,5,0,3,5,6,8,2,7,4,1,6,8,4,1,7,5,0,2,3,1,0,6,2,3,4,5,7,8,3,4,8,7,5,1,2,0,6,2,5,7,8,0,6,1,3,4,8,6,1,3,2,7,4,5,0,5,7,0,4,1,8,3,6,2,4,2,3,5,6,0,8,1,7]}
-PUZZLE:
-_ _ 3  1 _ 4  _ _ 6
-_ _ _  _ 9 _  _ _ _
-7 9 5  _ _ _  _ 3 _
-
-_ _ _  3 _ _  _ _ _
-_ _ _  _ _ 2  3 _ 7
-_ 6 _  9 _ 7  _ 4 _
-
-_ _ 2  _ _ 8  _ 6 _
-6 _ _  _ 2 _  4 _ _
-_ 3 _  _ _ _  9 _ _
-
-SOLUTION:
-8 2 3  1 5 4  7 9 6
-1 4 6  7 9 3  8 5 2
-7 9 5  2 8 6  1 3 4
-
-2 1 7  3 4 5  6 8 9
-4 5 9  8 6 2  3 1 7
-3 6 8  9 1 7  2 4 5
-
-9 7 2  4 3 8  5 6 1
-6 8 1  5 2 9  4 7 3
-5 3 4  6 7 1  9 2 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,6,4,0,null,null,7,null,0,null,4,null,null,3,null,null,null,1,null,null,null,6,null,null,null,null,null,null,null,null,3,6,null,2,null,null,null,null,1,null,null,null,null,5,null,5,null,null,null,null,null,8,0,null,null,7,null,null,null,2,3,4,null,0,3,null,4,8,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[5,3,6,4,0,2,1,7,8,0,7,4,8,1,3,6,5,2,1,2,8,7,6,5,0,4,3,7,8,0,5,3,6,4,2,1,3,4,2,1,8,0,7,6,5,6,5,1,2,7,4,3,8,0,8,6,7,0,5,1,2,3,4,2,0,3,6,4,8,5,1,7,4,1,5,3,2,7,8,0,6]}
-PUZZLE:
-_ _ 7  5 1 _  _ 8 _
-1 _ 5  _ _ 4  _ _ _
-2 _ _  _ 7 _  _ _ _
-
-_ _ _  _ 4 7  _ 3 _
-_ _ _  2 _ _  _ _ 6
-_ 6 _  _ _ _  _ 9 1
-
-_ _ 8  _ _ _  3 4 5
-_ 1 4  _ 5 9  _ _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-6 4 7  5 1 3  2 8 9
-1 8 5  9 2 4  7 6 3
-2 3 9  8 7 6  1 5 4
-
-8 9 1  6 4 7  5 3 2
-4 5 3  2 9 1  8 7 6
-7 6 2  3 8 5  4 9 1
-
-9 7 8  1 6 2  3 4 5
-3 1 4  7 5 9  6 2 8
-5 2 6  4 3 8  9 1 7
-
-RATING: 2
-DATA:
-{"puzzle":[2,null,null,null,null,null,null,7,null,null,1,null,null,5,null,3,null,4,null,null,null,2,8,null,null,null,null,6,2,null,null,7,null,null,0,null,null,null,3,1,2,null,null,null,null,null,null,7,0,null,null,null,6,null,null,6,null,null,null,null,null,null,null,null,3,null,4,null,null,0,null,5,null,null,null,8,null,0,null,null,null],"solution":[2,4,5,3,0,1,6,7,8,8,1,0,6,5,7,3,2,4,3,7,6,2,8,4,1,5,0,6,2,1,5,7,8,4,0,3,4,0,3,1,2,6,5,8,7,5,8,7,0,4,3,2,6,1,0,6,4,7,1,5,8,3,2,7,3,8,4,6,2,0,1,5,1,5,2,8,3,0,7,4,6]}
-PUZZLE:
-3 _ _  _ _ _  _ 8 _
-_ 2 _  _ 6 _  4 _ 5
-_ _ _  3 9 _  _ _ _
-
-7 3 _  _ 8 _  _ 1 _
-_ _ 4  2 3 _  _ _ _
-_ _ 8  1 _ _  _ 7 _
-
-_ 7 _  _ _ _  _ _ _
-_ 4 _  5 _ _  1 _ 6
-_ _ _  9 _ 1  _ _ _
-
-SOLUTION:
-3 5 6  4 1 2  7 8 9
-9 2 1  7 6 8  4 3 5
-4 8 7  3 9 5  2 6 1
-
-7 3 2  6 8 9  5 1 4
-5 1 4  2 3 7  6 9 8
-6 9 8  1 5 4  3 7 2
-
-1 7 5  8 2 6  9 4 3
-8 4 9  5 7 3  1 2 6
-2 6 3  9 4 1  8 5 7
-
-RATING: 3.25
-DATA:
-{"puzzle":[5,0,null,null,null,null,null,8,null,null,null,null,null,4,null,null,6,1,null,3,null,null,1,null,null,null,null,null,null,7,null,null,null,8,0,null,null,null,3,null,null,8,null,null,null,4,null,null,null,null,null,7,3,null,8,null,null,6,null,null,null,null,5,null,6,null,4,5,null,null,null,null,null,null,null,null,null,null,null,7,null],"solution":[5,0,1,2,7,6,4,8,3,2,7,8,0,4,3,5,6,1,6,3,4,8,1,5,0,2,7,1,5,7,3,2,4,8,0,6,0,2,3,7,6,8,1,5,4,4,8,6,5,0,1,7,3,2,8,1,0,6,3,7,2,4,5,7,6,2,4,5,0,3,1,8,3,4,5,1,8,2,6,7,0]}
-PUZZLE:
-6 1 _  _ _ _  _ 9 _
-_ _ _  _ 5 _  _ 7 2
-_ 4 _  _ 2 _  _ _ _
-
-_ _ 8  _ _ _  9 1 _
-_ _ 4  _ _ 9  _ _ _
-5 _ _  _ _ _  8 4 _
-
-9 _ _  7 _ _  _ _ 6
-_ 7 _  5 6 _  _ _ _
-_ _ _  _ _ _  _ 8 _
-
-SOLUTION:
-6 1 2  3 8 7  5 9 4
-3 8 9  1 5 4  6 7 2
-7 4 5  9 2 6  1 3 8
-
-2 6 8  4 3 5  9 1 7
-1 3 4  8 7 9  2 6 5
-5 9 7  6 1 2  8 4 3
-
-9 2 1  7 4 8  3 5 6
-8 7 3  5 6 1  4 2 9
-4 5 6  2 9 3  7 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,null,4,null,7,null,2,null,6,4,8,null,null,0,null,null,null,null,6,4,2,null,null,null,null,8,7,null,null,3,1,null,null,null,null,null,5,null,null,null,null,null,null,null,5,8,null,0,null,3,null,null,4,1,null,null,null,null,null,null,null,null,null,null,null,6,8,null,null,7,null],"solution":[2,3,7,8,5,6,4,0,1,0,1,5,4,3,7,8,2,6,6,4,8,1,2,0,3,5,7,3,6,4,2,0,5,7,1,8,7,2,0,3,1,8,6,4,5,8,5,1,7,6,4,2,3,0,5,8,2,0,7,3,1,6,4,1,7,6,5,4,2,0,8,3,4,0,3,6,8,1,5,7,2]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ _  5 _ 8  _ 3 _
-7 5 9  _ _ 1  _ _ _
-
-_ 7 5  3 _ _  _ _ 9
-8 _ _  4 2 _  _ _ _
-_ 6 _  _ _ _  _ _ _
-
-6 9 _  1 _ 4  _ _ 5
-2 _ _  _ _ _  _ _ _
-_ _ _  7 9 _  _ 8 _
-
-SOLUTION:
-3 4 8  9 6 7  5 1 2
-1 2 6  5 4 8  9 3 7
-7 5 9  2 3 1  4 6 8
-
-4 7 5  3 1 6  8 2 9
-8 3 1  4 2 9  7 5 6
-9 6 2  8 7 5  3 4 1
-
-6 9 3  1 8 4  2 7 5
-2 8 7  6 5 3  1 9 4
-5 1 4  7 9 2  6 8 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,3,null,null,7,4,null,null,0,null,null,null,null,null,null,8,null,null,6,null,8,null,null,7,3,null,null,0,null,null,null,null,null,6,null,1,null,null,3,null,null,5,null,8,null,null,null,7,5,null,null,null,null,null,8,1,null,6,4,null,null,null,null,7,null,null,null,null,null,null,4,null,null,null],"solution":[2,0,1,6,5,7,8,4,3,6,8,7,4,2,3,0,1,5,5,4,3,1,8,0,2,6,7,8,2,6,7,3,1,5,0,4,4,7,5,0,6,2,1,3,8,3,1,0,5,4,8,7,2,6,7,5,2,3,0,6,4,8,1,0,6,4,8,1,5,3,7,2,1,3,8,2,7,4,6,5,0]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ 4
-_ _ 8  5 _ _  1 _ _
-_ _ _  _ 9 _  _ 7 _
-
-9 _ _  8 4 _  _ 1 _
-_ _ _  _ 7 _  2 _ _
-4 _ _  6 _ 9  _ _ _
-
-8 6 _  _ _ _  _ 9 2
-_ 7 5  _ _ _  _ 8 _
-_ _ _  _ _ 5  _ _ _
-
-SOLUTION:
-3 1 2  7 6 8  9 5 4
-7 9 8  5 3 4  1 2 6
-6 5 4  2 9 1  3 7 8
-
-9 3 7  8 4 2  6 1 5
-5 8 6  1 7 3  2 4 9
-4 2 1  6 5 9  8 3 7
-
-8 6 3  4 1 7  5 9 2
-1 7 5  9 2 6  4 8 3
-2 4 9  3 8 5  7 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,4,null,null,7,null,null,null,0,null,null,null,null,null,null,6,3,null,null,null,null,2,null,0,null,null,null,null,null,6,null,null,null,null,null,2,null,0,8,3,null,1,null,null,8,null,null,null,null,null,6,1,null,null,4,null,null,null,null,null,2,null,null,0,6,null,null,null,null,null,0,null,7,5,null,8,null,null],"solution":[5,2,1,3,4,0,6,7,8,8,7,0,6,2,5,1,3,4,6,3,4,8,1,7,2,5,0,0,4,5,1,3,6,7,8,2,7,6,2,5,0,8,3,4,1,3,1,8,2,7,4,5,0,6,1,5,3,4,8,2,0,6,7,2,8,7,0,6,3,4,1,5,4,0,6,7,5,1,8,2,3]}
-PUZZLE:
-_ _ _  _ 5 _  _ 8 _
-_ _ 1  _ _ _  _ _ _
-7 4 _  _ _ _  3 _ 1
-
-_ _ _  _ _ 7  _ _ _
-_ _ 3  _ 1 9  4 _ 2
-_ _ 9  _ _ _  _ _ 7
-
-2 _ _  5 _ _  _ _ _
-3 _ _  1 7 _  _ _ _
-_ 1 _  8 6 _  9 _ _
-
-SOLUTION:
-6 3 2  4 5 1  7 8 9
-9 8 1  7 3 6  2 4 5
-7 4 5  9 2 8  3 6 1
-
-1 5 6  2 4 7  8 9 3
-8 7 3  6 1 9  4 5 2
-4 2 9  3 8 5  6 1 7
-
-2 6 4  5 9 3  1 7 8
-3 9 8  1 7 4  5 2 6
-5 1 7  8 6 2  9 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,null,4,5,null,7,null,null,null,null,null,null,null,null,null,null,null,1,5,7,3,null,null,null,null,null,null,null,null,null,null,6,4,null,null,null,2,8,null,null,2,null,null,8,null,null,null,1,null,3,null,null,4,null,null,1,2,7,8,2,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null],"solution":[3,1,6,7,5,0,8,2,4,5,4,7,8,3,2,1,0,6,2,0,8,4,6,1,5,7,3,8,7,3,1,2,4,6,5,0,1,6,4,3,0,5,2,8,7,0,2,5,6,8,7,3,4,1,6,3,0,5,4,8,7,1,2,7,8,2,0,1,3,4,6,5,4,5,1,2,7,6,0,3,8]}
-PUZZLE:
-_ _ _  _ _ 1  _ _ 5
-6 _ 8  _ _ _  _ _ _
-_ _ _  _ _ 2  6 8 4
-
-_ _ _  _ _ _  _ _ _
-_ 7 5  _ _ _  3 9 _
-_ 3 _  _ 9 _  _ _ 2
-
-_ 4 _  _ 5 _  _ 2 3
-8 9 3  _ _ _  _ 7 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 2 7  8 6 1  9 3 5
-6 5 8  9 4 3  2 1 7
-3 1 9  5 7 2  6 8 4
-
-9 8 4  2 3 5  7 6 1
-2 7 5  4 1 6  3 9 8
-1 3 6  7 9 8  4 5 2
-
-7 4 1  6 5 9  8 2 3
-8 9 3  1 2 4  5 7 6
-5 6 2  3 8 7  1 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,0,null,null,null,null,8,null,null,null,null,5,null,null,null,null,7,null,null,null,null,1,0,null,5,3,null,null,null,null,null,null,null,4,null,null,null,7,null,null,1,null,null,1,null,null,8,null,4,null,null,2,null,null,5,1,null,null,7,null,0,null,2,null,null,null,null,3,null,null,null,null,null,2,null,null,null,4,null],"solution":[4,5,1,0,7,6,2,3,8,2,0,6,3,5,8,4,1,7,7,3,8,4,2,1,0,6,5,3,6,2,5,1,0,8,7,4,5,8,4,7,6,2,1,0,3,1,7,0,8,3,4,6,5,2,6,4,5,1,8,3,7,2,0,0,2,7,6,4,5,3,8,1,8,1,3,2,0,7,5,4,6]}
-PUZZLE:
-5 _ _  1 _ _  _ _ 9
-_ _ _  _ 6 _  _ _ _
-8 _ _  _ _ 2  1 _ 6
-
-4 _ _  _ _ _  _ _ 5
-_ _ _  8 _ _  2 _ _
-2 _ _  9 _ 5  _ _ 3
-
-_ _ 6  2 _ _  8 _ 1
-_ 3 _  _ _ _  4 _ _
-_ _ _  3 _ _  _ 5 _
-
-SOLUTION:
-5 6 2  1 8 7  3 4 9
-3 1 7  4 6 9  5 2 8
-8 4 9  5 3 2  1 7 6
-
-4 7 3  6 2 1  9 8 5
-6 9 5  8 7 3  2 1 4
+5 6 3  8 7 2  4 1 9
+4 9 7  6 1 3  8 2 5
 2 8 1  9 4 5  7 6 3
 
-7 5 6  2 9 4  8 3 1
-1 3 8  7 5 6  4 9 2
-9 2 4  3 1 8  6 5 7
+8 4 9  2 3 6  1 5 7
+6 7 5  1 8 4  9 3 2
+3 1 2  5 9 7  6 8 4
 
-RATING: 3
+RATING: 2
 DATA:
-{"puzzle":[null,null,null,7,1,0,null,8,null,null,5,null,3,null,8,null,null,2,null,null,null,null,null,null,null,null,null,null,3,null,null,6,null,null,null,5,null,null,2,1,7,null,null,4,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,null,7,6,null,null,null,5,null,1,null,3,null,null,0,null,null,null,null,null],"solution":[6,2,3,7,1,0,5,8,4,0,5,1,3,4,8,7,6,2,4,7,8,2,5,6,1,3,0,1,3,7,8,6,4,2,0,5,5,0,2,1,7,3,6,4,8,8,4,6,5,0,2,3,7,1,2,8,4,6,3,1,0,5,7,7,6,0,4,2,5,8,1,3,3,1,5,0,8,7,4,2,6]}
+{"puzzle":[5,3,null,null,null,null,null,2,null,null,0,null,2,null,null,null,null,null,2,null,null,6,null,8,3,null,null,0,null,null,null,null,6,null,1,null,null,null,8,null,7,null,null,null,2,null,null,null,null,null,null,0,null,null,6,null,null,0,null,null,null,null,null,null,null,null,null,5,null,4,7,null,null,null,null,null,null,7,5,3,null],"solution":[5,3,6,7,0,4,1,2,8,8,0,1,2,3,5,7,6,4,2,4,7,6,1,8,3,0,5,0,5,3,4,2,6,8,1,7,4,1,8,3,7,0,6,5,2,7,6,2,5,8,1,0,4,3,6,7,5,0,4,3,2,8,1,3,8,0,1,5,2,4,7,6,1,2,4,8,6,7,5,3,0]}
 PUZZLE:
-_ _ _  8 2 1  _ 9 _
-_ 6 _  4 _ 9  _ _ 3
-_ _ _  _ _ _  _ _ _
+6 4 _  _ _ _  _ 3 _
+_ 1 _  3 _ _  _ _ _
+3 _ _  7 _ 9  4 _ _
 
-_ 4 _  _ 7 _  _ _ 6
-_ _ 3  2 8 _  _ 5 _
-_ 5 _  _ _ _  _ _ _
-
-_ _ _  _ _ _  1 _ _
-8 7 _  _ _ 6  _ 2 _
-4 _ _  1 _ _  _ _ _
-
-SOLUTION:
-7 3 4  8 2 1  6 9 5
-1 6 2  4 5 9  8 7 3
-5 8 9  3 6 7  2 4 1
-
-2 4 8  9 7 5  3 1 6
-6 1 3  2 8 4  7 5 9
-9 5 7  6 1 3  4 8 2
-
-3 9 5  7 4 2  1 6 8
-8 7 1  5 3 6  9 2 4
-4 2 6  1 9 8  5 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,0,5,null,null,7,null,6,null,8,null,null,6,null,null,null,5,null,null,null,null,3,null,0,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,5,null,3,7,null,7,null,null,0,null,null,null,8,1,null,2,null,3,8,null,6,1,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null],"solution":[1,3,0,5,2,8,7,4,6,2,8,4,7,6,0,1,3,5,5,7,6,1,3,4,0,2,8,3,5,8,2,7,1,4,6,0,4,0,1,8,5,6,3,7,2,7,6,2,0,4,3,5,8,1,0,2,5,3,8,7,6,1,4,8,4,7,6,1,5,2,0,3,6,1,3,4,0,2,8,5,7]}
-PUZZLE:
-_ 4 1  6 _ _  8 _ 7
-_ 9 _  _ 7 _  _ _ 6
-_ _ _  _ 4 _  1 _ _
-
-_ _ _  _ _ _  _ _ _
-5 _ _  _ 6 _  4 8 _
-8 _ _  1 _ _  _ 9 2
-
-_ 3 _  4 9 _  7 2 _
-_ _ 8  _ _ _  _ _ _
-_ _ _  _ _ 3  _ _ _
-
-SOLUTION:
-2 4 1  6 3 9  8 5 7
-3 9 5  8 7 1  2 4 6
-6 8 7  2 4 5  1 3 9
-
-4 6 9  3 8 2  5 7 1
-5 1 2  9 6 7  4 8 3
-8 7 3  1 5 4  6 9 2
-
-1 3 6  4 9 8  7 2 5
-9 5 8  7 2 6  3 1 4
-7 2 4  5 1 3  9 6 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,null,8,null,null,6,null,null,null,null,null,5,null,7,7,null,null,8,null,null,null,1,4,1,null,null,4,null,null,null,null,null,null,null,8,null,0,null,3,null,null,null,null,null,null,null,null,null,2,8,null,5,3,null,null,null,7,4,null,null,null,2,null,null,null,null,null,5,null,null,null,null,null,3,null,null,0],"solution":[2,0,4,1,5,7,8,6,3,6,8,1,3,4,2,5,0,7,7,3,5,8,6,0,2,1,4,1,2,7,4,3,8,0,5,6,5,4,8,2,0,6,3,7,1,3,6,0,7,1,5,4,2,8,0,5,3,6,8,1,7,4,2,8,1,2,0,7,4,6,3,5,4,7,6,5,2,3,1,8,0]}
-PUZZLE:
-_ _ _  2 _ _  9 _ _
-7 _ _  _ _ _  6 _ 8
-8 _ _  9 _ _  _ 2 5
-
-2 _ _  5 _ _  _ _ _
-_ _ 9  _ 1 _  4 _ _
-_ _ _  _ _ _  _ 3 9
-
-_ 6 4  _ _ _  8 5 _
-_ _ 3  _ _ _  _ _ 6
-_ _ _  _ _ 4  _ _ 1
-
-SOLUTION:
-3 1 5  2 6 8  9 7 4
-7 9 2  4 5 3  6 1 8
-8 4 6  9 7 1  3 2 5
-
-2 3 8  5 4 9  1 6 7
-6 5 9  3 1 7  4 8 2
-4 7 1  8 2 6  5 3 9
-
-1 6 4  7 9 2  8 5 3
-9 2 3  1 8 5  7 4 6
-5 8 7  6 3 4  2 9 1
-
-RATING: 1
-DATA:
-{"puzzle":[null,6,null,null,null,null,8,null,4,null,4,null,null,8,null,null,null,null,null,null,0,null,null,null,1,7,null,5,null,2,8,null,null,4,null,1,null,1,null,null,6,null,5,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,5,6,0,null,null,2,null,3,null,null,null,null,null,null,null,null,null,4,null,3,null,null,2],"solution":[3,6,1,0,2,7,8,5,4,7,4,5,6,8,1,3,2,0,8,2,0,3,4,5,1,7,6,5,7,2,8,3,0,4,6,1,0,1,4,7,6,2,5,3,8,6,3,8,5,1,4,2,0,7,4,8,7,2,5,6,0,1,3,2,0,3,1,7,8,6,4,5,1,5,6,4,0,3,7,8,2]}
-PUZZLE:
-_ 7 _  _ _ _  9 _ 5
-_ 5 _  _ 9 _  _ _ _
-_ _ 1  _ _ _  2 8 _
-
-6 _ 3  9 _ _  5 _ 2
-_ 2 _  _ 7 _  6 _ _
-7 _ _  _ _ _  _ _ _
-
-_ _ _  _ 6 7  1 _ _
-3 _ 4  _ _ _  _ _ _
-_ _ _  5 _ 4  _ _ 3
-
-SOLUTION:
-4 7 2  1 3 8  9 6 5
-8 5 6  7 9 2  4 3 1
-9 3 1  4 5 6  2 8 7
-
-6 8 3  9 4 1  5 7 2
-1 2 5  8 7 3  6 4 9
-7 4 9  6 2 5  3 1 8
-
-5 9 8  3 6 7  1 2 4
-3 1 4  2 8 9  7 5 6
-2 6 7  5 1 4  8 9 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[1,null,8,null,5,4,null,null,null,null,null,null,null,null,0,3,null,null,0,null,null,null,6,null,null,2,null,null,6,7,2,null,null,null,null,null,null,4,null,null,3,null,1,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,6,3,1,null,null,2,5,null,null,null,0,null,null,null,null,null,null,7,null,null,null],"solution":[1,2,8,3,5,4,7,6,0,4,5,6,7,2,0,3,1,8,0,7,3,1,6,8,5,2,4,5,6,7,2,0,1,8,4,3,2,4,0,8,3,5,1,7,6,8,3,1,4,7,6,0,5,2,7,8,5,0,4,2,6,3,1,6,1,2,5,8,3,4,0,7,3,0,4,6,1,7,2,8,5]}
-PUZZLE:
-2 _ 9  _ 6 5  _ _ _
-_ _ _  _ _ 1  4 _ _
-1 _ _  _ 7 _  _ 3 _
-
-_ 7 8  3 _ _  _ _ _
-_ 5 _  _ 4 _  2 _ _
+1 _ _  _ _ 7  _ 2 _
+_ _ 9  _ 8 _  _ _ 3
 _ _ _  _ _ _  1 _ _
 
-_ _ _  _ _ _  7 4 2
-_ _ 3  6 _ _  _ 1 _
-_ _ _  _ _ 8  _ _ _
+7 _ _  1 _ _  _ _ _
+_ _ _  _ 6 _  5 8 _
+_ _ _  _ _ 8  6 4 _
 
 SOLUTION:
-2 3 9  4 6 5  8 7 1
-5 6 7  8 3 1  4 2 9
-1 8 4  2 7 9  6 3 5
+6 4 7  8 1 5  2 3 9
+9 1 2  3 4 6  8 7 5
+3 5 8  7 2 9  4 1 6
 
-6 7 8  3 1 2  9 5 4
-3 5 1  9 4 6  2 8 7
-9 4 2  5 8 7  1 6 3
+1 6 4  5 3 7  9 2 8
+5 2 9  4 8 1  7 6 3
+8 7 3  6 9 2  1 5 4
 
-8 9 6  1 5 3  7 4 2
-7 2 3  6 9 4  5 1 8
-4 1 5  7 2 8  3 9 6
+7 8 6  1 5 4  3 9 2
+4 9 1  2 6 3  5 8 7
+2 3 5  9 7 8  6 4 1
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,3,1,null,null,null,null,6,null,null,null,2,null,null,7,null,4,1,null,7,8,null,2,null,null,2,null,5,null,null,null,3,null,8,null,0,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,3,3,null,null,1,null,null,null,0,null,null,4,null,null,null,2,1,null,null],"solution":[7,5,2,3,1,4,8,6,0,6,3,8,5,2,0,4,7,1,4,1,0,7,8,6,2,3,5,2,6,5,4,0,7,3,1,8,8,0,3,2,6,1,7,5,4,1,7,4,8,5,3,0,2,6,0,2,1,6,7,8,5,4,3,3,8,7,1,4,5,6,0,2,5,4,6,0,3,2,1,8,7]}
+{"puzzle":[null,null,5,null,null,null,null,7,null,6,8,null,3,null,null,1,null,null,null,7,null,1,null,null,null,null,null,null,2,6,null,null,null,null,null,null,null,4,null,null,null,5,null,2,8,null,null,null,6,null,null,null,4,7,3,null,null,5,null,8,null,null,null,null,6,4,null,null,null,null,3,null,null,null,null,0,null,null,null,1,null],"solution":[4,1,5,8,0,6,2,7,3,6,8,2,3,7,4,1,0,5,0,7,3,1,5,2,4,8,6,7,2,6,4,8,0,3,5,1,1,4,0,7,3,5,6,2,8,5,3,8,6,2,1,0,4,7,3,0,1,5,4,8,7,6,2,8,6,4,2,1,7,5,3,0,2,5,7,0,6,3,8,1,4]}
 PUZZLE:
-_ _ _  4 2 _  _ _ _
-7 _ _  _ 3 _  _ 8 _
-5 2 _  8 9 _  3 _ _
+_ _ 6  _ _ _  _ 8 _
+7 9 _  4 _ _  2 _ _
+_ 8 _  2 _ _  _ _ _
 
-3 _ 6  _ _ _  4 _ 9
-_ 1 4  _ _ _  _ _ _
-_ _ _  _ _ _  _ _ 7
-
-_ _ _  _ _ _  _ _ 4
-4 _ _  2 _ _  _ 1 _
-_ 5 _  _ _ 3  2 _ _
-
-SOLUTION:
-8 6 3  4 2 5  9 7 1
-7 4 9  6 3 1  5 8 2
-5 2 1  8 9 7  3 4 6
-
-3 7 6  5 1 8  4 2 9
-9 1 4  3 7 2  8 6 5
-2 8 5  9 6 4  1 3 7
-
-1 3 2  7 8 9  6 5 4
-4 9 8  2 5 6  7 1 3
-6 5 7  1 4 3  2 9 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[4,null,null,null,null,2,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,5,3,8,null,null,null,6,null,null,null,8,null,null,0,null,null,null,null,null,null,3,null,null,null,null,7,2,0,null,null,1,null,5,null,2,8,null,null,0,null,null,null,null,4,null,null,null,null,2,1,null,7,null,null,null,5,4,null,null],"solution":[4,5,8,6,1,2,7,0,3,3,2,6,7,8,0,1,5,4,7,0,1,4,5,3,8,6,2,1,6,5,3,7,8,2,4,0,2,4,0,5,6,1,3,7,8,8,3,7,2,0,4,6,1,5,5,1,2,8,4,6,0,3,7,6,8,4,0,3,7,5,2,1,0,7,3,1,2,5,4,8,6]}
-PUZZLE:
-5 _ _  _ _ 3  _ _ _
-_ _ _  8 _ _  _ _ _
-_ _ _  _ 6 4  9 _ _
-
-_ 7 _  _ _ 9  _ _ 1
-_ _ _  _ _ _  4 _ _
-_ _ 8  3 1 _  _ 2 _
-
-6 _ 3  9 _ _  1 _ _
-_ _ 5  _ _ _  _ 3 2
-_ 8 _  _ _ 6  5 _ _
-
-SOLUTION:
-5 6 9  7 2 3  8 1 4
-4 3 7  8 9 1  2 6 5
-8 1 2  5 6 4  9 7 3
-
-2 7 6  4 8 9  3 5 1
-3 5 1  6 7 2  4 8 9
-9 4 8  3 1 5  7 2 6
-
-6 2 3  9 5 7  1 4 8
-7 9 5  1 4 8  6 3 2
-1 8 4  2 3 6  5 9 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[3,null,0,5,null,8,null,null,null,null,2,null,1,null,null,7,null,5,null,null,null,null,null,6,null,0,null,null,7,null,null,4,0,null,null,8,null,4,5,null,null,null,null,2,null,null,null,null,null,null,null,null,4,null,null,null,null,0,null,5,2,null,null,6,3,null,null,2,1,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[3,1,0,5,7,8,4,6,2,8,2,6,1,0,4,7,3,5,7,5,4,2,3,6,8,0,1,2,7,3,6,4,0,1,5,8,0,4,5,8,1,7,3,2,6,1,6,8,3,5,2,0,4,7,4,8,1,0,6,5,2,7,3,6,3,7,4,2,1,5,8,0,5,0,2,7,8,3,6,1,4]}
-PUZZLE:
-4 _ 1  6 _ 9  _ _ _
-_ 3 _  2 _ _  8 _ 6
-_ _ _  _ _ 7  _ 1 _
-
-_ 8 _  _ 5 1  _ _ 9
-_ 5 6  _ _ _  _ 3 _
-_ _ _  _ _ _  _ 5 _
-
-_ _ _  1 _ 6  3 _ _
-7 4 _  _ 3 2  _ _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 2 1  6 8 9  5 7 3
-9 3 7  2 1 5  8 4 6
-8 6 5  3 4 7  9 1 2
-
-3 8 4  7 5 1  2 6 9
-1 5 6  9 2 8  4 3 7
-2 7 9  4 6 3  1 5 8
-
-5 9 2  1 7 6  3 8 4
-7 4 8  5 3 2  6 9 1
-6 1 3  8 9 4  7 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,5,7,null,null,null,null,6,null,3,null,0,null,null,4,null,null,null,6,2,null,null,null,null,null,5,null,null,6,null,null,null,null,null,3,null,0,null,5,null,null,null,null,null,null,null,3,null,null,null,7,4,null,null,8,null,null,0,null,null,null,7,null,null,null,null,4,null,null,1,2,null,null,null,null,null,5,6,null,null],"solution":[4,1,5,7,2,3,0,8,6,7,3,8,0,5,6,4,2,1,0,6,2,4,1,8,3,7,5,8,4,6,2,7,0,1,5,3,1,0,7,5,3,4,2,6,8,5,2,3,8,6,1,7,4,0,6,8,4,1,0,2,5,3,7,3,5,0,6,4,7,8,1,2,2,7,1,3,8,5,6,0,4]}
-PUZZLE:
-_ 2 6  8 _ _  _ _ 7
-_ 4 _  1 _ _  5 _ _
-_ 7 3  _ _ _  _ _ 6
-
-_ _ 7  _ _ _  _ _ 4
-_ 1 _  6 _ _  _ _ _
-_ _ 4  _ _ _  8 5 _
-
-_ 9 _  _ 1 _  _ _ 8
-_ _ _  _ 5 _  _ 2 3
-_ _ _  _ _ 6  7 _ _
-
-SOLUTION:
-5 2 6  8 3 4  1 9 7
-8 4 9  1 6 7  5 3 2
-1 7 3  5 2 9  4 8 6
-
-9 5 7  3 8 1  2 6 4
-2 1 8  6 4 5  3 7 9
-6 3 4  9 7 2  8 5 1
-
-7 9 5  2 1 3  6 4 8
-4 6 1  7 5 8  9 2 3
-3 8 2  4 9 6  7 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,0,null,8,2,6,null,null,null,null,null,null,null,7,null,5,null,null,1,6,null,null,null,null,1,5,null,null,null,null,6,8,0,7,null,1,null,null,null,4,null,3,null,0,null,null,null,null,null,null,4,null,null,null,8,null,7,null,null,null,null,null,2,null,null,null,null,null,null,null,null,7,null,null,2,null],"solution":[3,1,4,7,6,2,0,5,8,2,6,0,8,5,4,3,1,7,7,8,5,3,0,1,6,4,2,4,2,1,5,8,3,7,0,6,8,0,7,2,1,6,5,3,4,5,3,6,0,4,7,2,8,1,0,4,2,6,3,8,1,7,5,1,7,3,4,2,5,8,6,0,6,5,8,1,7,0,4,2,3]}
-PUZZLE:
-_ _ _  _ _ _  1 _ 9
-3 7 _  _ _ _  _ _ _
-8 _ 6  _ _ 2  7 _ _
-
-_ _ 2  6 _ _  _ _ 7
-9 1 8  _ 2 _  _ _ 5
-_ 4 _  1 _ _  _ _ _
-
-_ 5 _  _ _ 9  _ 8 _
-_ _ _  _ 3 _  _ _ _
-_ _ _  _ 8 _  _ 3 _
-
-SOLUTION:
-4 2 5  8 7 3  1 6 9
-3 7 1  9 6 5  4 2 8
-8 9 6  4 1 2  7 5 3
-
-5 3 2  6 9 4  8 1 7
-9 1 8  3 2 7  6 4 5
-6 4 7  1 5 8  3 9 2
-
-1 5 3  7 4 9  2 8 6
-2 8 4  5 3 6  9 7 1
-7 6 9  2 8 1  5 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,8,null,null,3,null,3,2,null,null,null,6,null,null,1,5,null,null,null,4,null,null,2,8,null,null,null,6,0,null,null,null,3,6,null,null,null,null,2,null,null,4,null,0,null,5,null,null,7,null,null,null,null,null,null,2,null,null,4,null,null,null,8,null,5,1,null,null,null,null,null,null,null,null,null,null,null],"solution":[6,7,4,0,2,8,5,1,3,0,3,2,5,1,7,6,4,8,1,5,8,6,3,4,7,0,2,8,2,5,7,6,0,4,3,1,3,6,7,4,8,1,2,5,0,4,1,0,2,5,3,8,7,6,5,0,6,1,7,2,3,8,4,2,4,3,8,0,5,1,6,7,7,8,1,3,4,6,0,2,5]}
-PUZZLE:
-_ _ 5  _ _ 9  _ _ 4
-_ 4 3  _ _ _  7 _ _
-2 6 _  _ _ 5  _ _ 3
-
-9 _ _  _ 7 1  _ _ _
-4 7 _  _ _ _  3 _ _
-5 _ 1  _ 6 _  _ 8 _
-
-_ _ _  _ _ 3  _ _ 5
-_ _ _  9 _ 6  2 _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-7 8 5  1 3 9  6 2 4
-1 4 3  6 2 8  7 5 9
-2 6 9  7 4 5  8 1 3
-
-9 3 6  8 7 1  5 4 2
-4 7 8  5 9 2  3 6 1
-5 2 1  3 6 4  9 8 7
-
-6 1 7  2 8 3  4 9 5
-3 5 4  9 1 6  2 7 8
-8 9 2  4 5 7  1 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,5,null,7,null,null,null,null,7,null,null,5,null,0,8,null,null,4,6,null,1,null,2,null,null,null,null,null,null,null,null,null,1,null,null,2,null,1,null,null,null,6,5,7,null,null,null,null,3,null,null,null,4,null,null,null,null,null,null,null,6,null,6,null,null,4,null,5,null,0,null,null,null,null,7,null,null,null,4,null],"solution":[1,8,5,3,7,6,4,2,0,7,2,3,5,4,0,8,1,6,4,6,0,1,8,2,5,7,3,8,0,4,6,5,7,1,3,2,2,3,1,8,0,4,6,5,7,5,7,6,2,3,1,0,8,4,3,4,2,0,1,8,7,6,5,6,1,7,4,2,5,3,0,8,0,5,8,7,6,3,2,4,1]}
-PUZZLE:
-2 _ 6  _ 8 _  _ _ _
-8 _ _  6 _ 1  9 _ _
-5 7 _  2 _ 3  _ _ _
-
-_ _ _  _ _ _  2 _ _
-3 _ 2  _ _ _  7 6 8
-_ _ _  _ 4 _  _ _ 5
-
-_ _ _  _ _ _  _ 7 _
-7 _ _  5 _ 6  _ 1 _
-_ _ _  8 _ _  _ 5 _
-
-SOLUTION:
-2 9 6  4 8 7  5 3 1
-8 3 4  6 5 1  9 2 7
-5 7 1  2 9 3  6 8 4
-
-9 1 5  7 6 8  2 4 3
-3 4 2  9 1 5  7 6 8
-6 8 7  3 4 2  1 9 5
-
-4 5 3  1 2 9  8 7 6
-7 2 8  5 3 6  4 1 9
-1 6 9  8 7 4  3 5 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,7,null,null,null,null,null,null,null,null,2,6,null,null,null,3,null,null,4,null,0,null,null,3,null,null,6,5,null,null,null,6,null,null,null,null,null,null,1,5,null,4,null,null,2,null,4,7,null,null,null,null,8,null,null,null,null,6,null,null,7,1,8,null,null,null,null,null,5,null,null,null,6,null,3,null,null,null,null,null,null],"solution":[3,7,5,4,0,6,8,2,1,1,2,6,8,5,7,3,0,4,4,8,0,2,1,3,5,7,6,5,3,2,0,6,8,1,4,7,8,6,1,5,7,4,0,3,2,0,4,7,3,2,1,6,8,5,2,5,4,6,3,0,7,1,8,7,0,8,1,4,5,2,6,3,6,1,3,7,8,2,4,5,0]}
-PUZZLE:
-_ 8 _  _ _ _  _ _ _
-_ 3 7  _ _ _  4 _ _
-5 _ 1  _ _ 4  _ _ 7
-
-6 _ _  _ 7 _  _ _ _
-_ _ 2  6 _ 5  _ _ 3
-_ 5 8  _ _ _  _ 9 _
-
-_ _ _  7 _ _  8 2 9
-_ _ _  _ _ 6  _ _ _
-7 _ 4  _ _ _  _ _ _
-
-SOLUTION:
-4 8 6  5 1 7  9 3 2
-2 3 7  9 6 8  4 1 5
-5 9 1  3 2 4  6 8 7
-
-6 4 3  1 7 9  2 5 8
-9 7 2  6 8 5  1 4 3
-1 5 8  4 3 2  7 9 6
-
-3 6 5  7 4 1  8 2 9
-8 1 9  2 5 6  3 7 4
-7 2 4  8 9 3  5 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,null,null,null,2,6,null,null,8,4,1,null,null,null,3,null,0,null,null,null,null,null,null,null,null,null,4,null,null,6,2,null,null,7,null,1,3,null,null,null,null,null,null,8,null,null,null,null,null,5,4,null,null,6,null,7,null,null,null,null,5,4,null,null,null,null,null,3,null,null,null,null,1,null,null],"solution":[0,1,7,4,6,5,8,3,2,5,2,6,3,7,8,4,1,0,4,8,3,1,0,2,6,5,7,7,0,1,2,3,4,5,8,6,2,6,8,7,5,1,3,0,4,3,4,5,6,8,0,7,2,1,8,5,4,0,1,6,2,7,3,1,7,2,5,4,3,0,6,8,6,3,0,8,2,7,1,4,5]}
-PUZZLE:
-_ 2 _  _ _ _  _ _ _
-_ 3 7  _ _ 9  5 2 _
-_ _ 4  _ 1 _  _ _ _
-
-_ _ _  _ _ 5  _ _ 7
-3 _ _  8 _ 2  4 _ _
-_ _ _  _ 9 _  _ _ _
-
-_ 6 5  _ _ 7  _ 8 _
-_ _ _  6 5 _  _ _ _
-_ 4 _  _ _ _  2 _ _
-
-SOLUTION:
-1 2 8  5 7 6  9 4 3
-6 3 7  4 8 9  5 2 1
-5 9 4  2 1 3  7 6 8
-
-8 1 2  3 4 5  6 9 7
-3 7 9  8 6 2  4 1 5
-4 5 6  7 9 1  8 3 2
-
-9 6 5  1 2 7  3 8 4
-2 8 3  6 5 4  1 7 9
-7 4 1  9 3 8  2 5 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,8,null,null,4,null,null,null,null,null,null,null,null,2,0,3,null,null,5,null,null,null,null,null,8,null,null,3,6,null,null,null,null,1,null,null,null,4,null,7,null,null,null,null,5,null,null,null,null,null,4,null,6,null,4,null,null,3,1,null,null,null,8,0,null,null,null,8,null,null,null,null,null,null,null,null,null,null,6,1,null],"solution":[6,8,3,5,4,1,7,2,0,1,7,4,8,2,0,3,5,6,5,0,2,6,7,3,8,4,1,3,6,7,0,5,2,1,8,4,2,4,1,7,6,8,0,3,5,8,5,0,1,3,4,2,6,7,4,2,6,3,1,7,5,0,8,0,1,5,2,8,6,4,7,3,7,3,8,4,0,5,6,1,2]}
-PUZZLE:
-_ 9 _  _ 5 _  _ _ _
-_ _ _  _ 3 1  4 _ _
-6 _ _  _ _ _  9 _ _
-
-4 7 _  _ _ _  2 _ _
-_ 5 _  8 _ _  _ _ 6
-_ _ _  _ _ 5  _ 7 _
-
-5 _ _  4 2 _  _ _ 9
-1 _ _  _ 9 _  _ _ _
-_ _ _  _ _ _  7 2 _
-
-SOLUTION:
-7 9 4  6 5 2  8 3 1
-2 8 5  9 3 1  4 6 7
-6 1 3  7 8 4  9 5 2
-
-4 7 8  1 6 3  2 9 5
-3 5 2  8 7 9  1 4 6
-9 6 1  2 4 5  3 7 8
-
-5 3 7  4 2 8  6 1 9
-1 2 6  3 9 7  5 8 4
-8 4 9  5 1 6  7 2 3
-
-RATING: 2.5
-DATA:
-{"puzzle":[5,null,null,1,null,null,null,null,null,null,null,null,2,null,null,null,null,6,4,6,null,null,0,5,8,1,null,null,0,null,3,null,null,7,4,null,null,null,null,null,null,2,null,null,null,3,null,null,null,null,null,null,null,null,null,1,null,null,null,null,0,5,null,null,null,5,null,null,null,2,null,null,null,8,0,null,7,null,null,null,4],"solution":[5,2,8,1,3,6,4,7,0,0,7,1,2,8,4,5,3,6,4,6,3,7,0,5,8,1,2,1,0,2,3,6,8,7,4,5,8,5,7,4,1,2,6,0,3,3,4,6,0,5,7,1,2,8,6,1,4,8,2,3,0,5,7,7,3,5,6,4,0,2,8,1,2,8,0,5,7,1,3,6,4]}
-PUZZLE:
-6 _ _  2 _ _  _ _ _
-_ _ _  3 _ _  _ _ 7
-5 7 _  _ 1 6  9 2 _
-
-_ 1 _  4 _ _  8 5 _
-_ _ _  _ _ 3  _ _ _
-4 _ _  _ _ _  _ _ _
-
-_ 2 _  _ _ _  1 6 _
-_ _ 6  _ _ _  3 _ _
-_ 9 1  _ 8 _  _ _ 5
-
-SOLUTION:
-6 3 9  2 4 7  5 8 1
-1 8 2  3 9 5  6 4 7
-5 7 4  8 1 6  9 2 3
-
-2 1 3  4 7 9  8 5 6
-9 6 8  5 2 3  7 1 4
-4 5 7  1 6 8  2 3 9
-
-7 2 5  9 3 4  1 6 8
-8 4 6  7 5 1  3 9 2
-3 9 1  6 8 2  4 7 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,3,null,null,6,null,1,null,null,null,null,null,8,null,null,3,0,null,null,null,null,7,4,null,null,6,null,null,null,null,null,null,null,null,4,null,8,null,null,1,0,null,null,null,null,null,null,7,null,5,null,null,null,3,6,null,5,null,null,null,null,2,null,4,null,null,null,null,6,null,5,null,null,1,null,0,null,null,4],"solution":[8,4,2,3,0,5,6,7,1,7,5,1,6,4,8,2,0,3,0,6,3,2,1,7,4,5,8,6,2,5,0,3,4,8,1,7,4,7,8,5,2,1,0,3,6,3,1,0,8,7,6,5,4,2,1,3,6,4,5,2,7,8,0,2,0,4,7,8,3,1,6,5,5,8,7,1,6,0,3,2,4]}
-PUZZLE:
-_ _ _  4 _ _  7 _ 2
-_ _ _  _ _ 9  _ _ 4
-1 _ _  _ _ 8  5 _ _
-
-7 _ _  _ _ _  _ _ _
-5 _ 9  _ _ 2  1 _ _
-_ _ _  _ 8 _  6 _ _
-
-_ 4 7  _ 6 _  _ _ _
-3 _ 5  _ _ _  _ 7 _
-6 _ _  2 _ 1  _ _ 5
-
-SOLUTION:
-9 5 3  4 1 6  7 8 2
-8 6 2  7 5 9  3 1 4
-1 7 4  3 2 8  5 6 9
-
-7 3 6  1 4 5  9 2 8
-5 8 9  6 3 2  1 4 7
-4 2 1  9 8 7  6 5 3
-
-2 4 7  5 6 3  8 9 1
-3 1 5  8 9 4  2 7 6
-6 9 8  2 7 1  4 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,6,null,7,null,7,1,null,null,null,3,null,null,null,null,null,null,null,null,null,null,0,null,null,null,4,null,3,null,1,null,2,null,8,null,2,null,null,null,null,5,6,null,2,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,4,null,6,null,null,0,null,null,null,null,null,0,7,null,null,null,3,null],"solution":[0,4,8,1,2,6,5,7,3,7,1,5,0,4,3,8,2,6,2,6,3,8,7,5,4,0,1,5,0,4,6,3,7,1,8,2,1,8,7,2,0,4,3,6,5,6,3,2,5,8,1,0,4,7,3,2,1,4,6,8,7,5,0,4,7,6,3,5,0,2,1,8,8,5,0,7,1,2,6,3,4]}
-PUZZLE:
-_ _ 9  _ _ 7  _ 8 _
-8 2 _  _ _ 4  _ _ _
-_ _ _  _ _ _  _ 1 _
-
-_ _ 5  _ 4 _  2 _ 3
-_ 9 _  3 _ _  _ _ 6
-7 _ 3  _ _ _  _ _ _
-
-_ _ _  _ _ _  8 _ _
-5 _ 7  _ _ 1  _ _ _
-_ _ 1  8 _ _  _ 4 _
-
-SOLUTION:
-1 5 9  2 3 7  6 8 4
-8 2 6  1 5 4  9 3 7
-3 7 4  9 8 6  5 1 2
-
-6 1 5  7 4 8  2 9 3
-2 9 8  3 1 5  4 7 6
-7 4 3  6 9 2  1 5 8
-
-4 3 2  5 7 9  8 6 1
-5 8 7  4 6 1  3 2 9
-9 6 1  8 2 3  7 4 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,8,null,null,null,null,3,null,null,null,null,null,null,null,null,null,6,null,0,null,null,null,null,2,null,null,null,3,null,4,0,null,null,null,null,null,null,4,null,null,8,null,6,0,6,null,null,null,null,3,5,null,null,0,8,null,null,null,1,null,4,null,null,null,null,null,5,null,1,null,null,null,null,null,7,null,null,null,null,null],"solution":[2,1,8,0,6,5,4,3,7,7,5,3,1,4,2,8,0,6,4,0,6,8,3,7,2,5,1,8,3,5,4,0,6,7,1,2,1,2,4,5,7,8,3,6,0,6,7,0,2,1,3,5,8,4,0,8,7,3,2,1,6,4,5,3,4,2,6,5,0,1,7,8,5,6,1,7,8,4,0,2,3]}
-PUZZLE:
-_ 2 9  _ _ _  _ 4 _
-_ _ _  _ _ _  _ _ 7
-_ 1 _  _ _ _  3 _ _
-
-_ 4 _  5 1 _  _ _ _
-_ _ 5  _ _ 9  _ 7 1
-7 _ _  _ _ 4  6 _ _
-
-1 9 _  _ _ 2  _ 5 _
-_ _ _  _ 6 _  2 _ _
-_ _ _  8 _ _  _ _ _
-
-SOLUTION:
-3 2 9  1 7 6  5 4 8
-8 6 4  2 5 3  9 1 7
-5 1 7  9 4 8  3 6 2
-
-9 4 6  5 1 7  8 2 3
-2 3 5  6 8 9  4 7 1
-7 8 1  3 2 4  6 9 5
-
-1 9 8  4 3 2  7 5 6
-4 5 3  7 6 1  2 8 9
-6 7 2  8 9 5  1 3 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[2,null,null,null,null,3,null,null,8,null,null,null,null,null,null,4,5,null,null,null,null,0,null,null,6,null,2,6,7,null,null,2,null,null,4,0,null,null,null,8,null,null,1,null,null,null,null,8,null,7,null,null,null,null,null,null,null,null,0,null,null,1,4,null,5,null,null,6,null,null,7,null,1,null,4,null,null,null,2,null,null],"solution":[2,4,6,5,1,3,7,0,8,7,3,0,6,8,2,4,5,1,5,8,1,0,4,7,6,3,2,6,7,5,3,2,1,8,4,0,4,2,3,8,5,0,1,6,7,0,1,8,4,7,6,3,2,5,3,6,7,2,0,8,5,1,4,8,5,2,1,6,4,0,7,3,1,0,4,7,3,5,2,8,6]}
-PUZZLE:
-3 _ _  _ _ 4  _ _ 9
-_ _ _  _ _ _  5 6 _
-_ _ _  1 _ _  7 _ 3
-
-7 8 _  _ 3 _  _ 5 1
-_ _ _  9 _ _  2 _ _
-_ _ 9  _ 8 _  _ _ _
-
-_ _ _  _ 1 _  _ 2 5
-_ 6 _  _ 7 _  _ 8 _
-2 _ 5  _ _ _  3 _ _
-
-SOLUTION:
-3 5 7  6 2 4  8 1 9
-8 4 1  7 9 3  5 6 2
-6 9 2  1 5 8  7 4 3
-
-7 8 6  4 3 2  9 5 1
-5 3 4  9 6 1  2 7 8
-1 2 9  5 8 7  4 3 6
-
-4 7 8  3 1 9  6 2 5
-9 6 3  2 7 5  1 8 4
-2 1 5  8 4 6  3 9 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,2,4,3,null,null,2,8,null,null,null,null,null,null,null,0,null,null,8,null,1,null,null,null,1,null,null,null,8,null,7,null,null,null,null,null,5,null,null,null,null,null,null,null,3,6,1,2,null,null,null,3,5,null,null,null,null,null,null,null,null,null,6,null,null,null,4,7,1,null,null,null,0,null,null,5,null],"solution":[5,6,1,0,7,2,4,3,8,4,2,8,1,3,6,7,0,5,7,0,3,5,8,4,1,6,2,3,1,6,4,2,8,5,7,0,8,4,2,7,5,0,6,1,3,0,5,7,3,6,1,2,8,4,6,3,5,8,4,7,0,2,1,2,8,0,6,1,5,3,4,7,1,7,4,2,0,3,8,5,6]}
-PUZZLE:
-_ _ _  _ _ 3  5 4 _
-_ 3 9  _ _ _  _ _ _
-_ 1 _  _ 9 _  2 _ _
-
-_ 2 _  _ _ 9  _ 8 _
-_ _ _  _ 6 _  _ _ _
-_ _ _  4 7 2  3 _ _
-
-_ 4 6  _ _ _  _ _ _
+_ 3 7  _ _ _  _ _ _
+_ 5 _  _ _ 6  _ 3 9
 _ _ _  7 _ _  _ 5 8
-2 _ _  _ 1 _  _ 6 _
 
-SOLUTION:
-6 7 2  1 8 3  5 4 9
-5 3 9  2 4 7  8 1 6
-8 1 4  6 9 5  2 7 3
-
-4 2 7  5 3 9  6 8 1
-9 5 3  8 6 1  7 2 4
-1 6 8  4 7 2  3 9 5
-
-7 4 6  9 5 8  1 3 2
-3 9 1  7 2 6  4 5 8
-2 8 5  3 1 4  9 6 7
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,5,null,null,null,null,8,null,0,7,null,null,null,null,null,null,null,null,8,null,5,1,null,null,null,null,2,null,null,8,null,6,null,3,0,null,null,null,4,null,null,null,null,null,4,null,null,null,null,null,null,null,null,5,6,null,null,null,1,null,null,4,null,null,null,null,null,0,6,null,8,null,3,null,null,null,null,2,null,null],"solution":[3,2,5,0,6,4,1,8,7,0,7,1,3,2,8,5,4,6,6,8,4,5,1,7,0,2,3,2,1,7,8,5,6,4,3,0,8,5,6,4,0,3,7,1,2,4,0,3,1,7,2,8,6,5,5,6,0,2,8,1,3,7,4,1,4,2,7,3,0,6,5,8,7,3,8,6,4,5,2,0,1]}
-PUZZLE:
-4 _ 6  _ _ _  _ 9 _
-1 8 _  _ _ _  _ _ _
-_ 9 _  6 2 _  _ _ _
-
-3 _ _  9 _ 7  _ 4 1
-_ _ _  5 _ _  _ _ _
-5 _ _  _ _ _  _ _ _
-
-6 7 _  _ _ 2  _ _ 5
-_ _ _  _ _ 1  7 _ 9
-_ 4 _  _ _ _  3 _ _
-
-SOLUTION:
-4 3 6  1 7 5  2 9 8
-1 8 2  4 3 9  6 5 7
-7 9 5  6 2 8  1 3 4
-
-3 2 8  9 6 7  5 4 1
-9 6 7  5 1 4  8 2 3
-5 1 4  2 8 3  9 7 6
-
-6 7 1  3 9 2  4 8 5
-2 5 3  8 4 1  7 6 9
-8 4 9  7 5 6  3 1 2
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,6,7,1,0,null,null,3,null,8,null,null,null,null,null,6,7,null,null,5,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,5,null,1,null,null,null,null,null,null,7,0,5,3,1,null,null,2,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,1,null,null,3,null,4,0,null,8,null],"solution":[5,2,4,6,7,1,0,3,8,3,1,8,4,0,2,7,5,6,7,0,6,5,3,8,4,1,2,1,3,2,7,8,4,6,0,5,0,4,5,2,1,6,8,7,3,8,6,7,0,5,3,1,2,4,2,8,1,3,6,7,5,4,0,4,7,0,8,2,5,3,6,1,6,5,3,1,4,0,2,8,7]}
-PUZZLE:
-_ _ _  7 8 2  1 _ _
-4 _ 9  _ _ _  _ _ 7
-8 _ _  6 _ _  _ _ _
-
-_ _ 3  _ _ _  _ _ _
-_ _ 6  _ 2 _  _ _ _
-_ _ 8  1 6 4  2 _ _
-
-3 _ _  _ _ _  _ _ _
-_ _ _  9 _ _  _ _ 2
-_ _ 4  _ 5 1  _ 9 _
-
-SOLUTION:
-6 3 5  7 8 2  1 4 9
-4 2 9  5 1 3  8 6 7
-8 1 7  6 4 9  5 2 3
-
-2 4 3  8 9 5  7 1 6
-1 5 6  3 2 7  9 8 4
-9 7 8  1 6 4  2 3 5
-
-3 9 2  4 7 8  6 5 1
-5 8 1  9 3 6  4 7 2
-7 6 4  2 5 1  3 9 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,0,null,2,null,null,4,null,4,5,null,null,3,0,null,null,2,null,null,null,null,4,null,null,null,3,null,null,null,8,1,6,5,null,null,8,1,null,null,null,null,null,null,null,5,null,6,null,null,null,4,null,null,null,null,null,null,null,4,2,null,null,null,null,null,1,null,5,null,null,null,0,null,null,null,null,null,6,null,null],"solution":[3,8,0,6,2,1,7,4,5,4,5,1,7,3,0,8,6,2,7,6,2,5,4,8,1,0,3,2,0,4,8,1,6,5,3,7,8,1,7,4,5,3,0,2,6,5,3,6,0,7,2,4,1,8,1,7,5,3,6,4,2,8,0,6,2,8,1,0,5,3,7,4,0,4,3,2,8,7,6,5,1]}
-PUZZLE:
-_ 9 1  _ 3 _  _ 5 _
-5 6 _  _ 4 1  _ _ 3
-_ _ _  _ 5 _  _ _ 4
-
-_ _ _  9 2 7  6 _ _
-9 2 _  _ _ _  _ _ _
-6 _ 7  _ _ _  5 _ _
-
-_ _ _  _ _ 5  3 _ _
-_ _ _  2 _ 6  _ _ _
-1 _ _  _ _ _  7 _ _
-
-SOLUTION:
-4 9 1  7 3 2  8 5 6
-5 6 2  8 4 1  9 7 3
-8 7 3  6 5 9  2 1 4
-
-3 1 5  9 2 7  6 4 8
-9 2 8  5 6 4  1 3 7
-6 4 7  1 8 3  5 2 9
-
-2 8 6  4 7 5  3 9 1
-7 3 9  2 1 6  4 8 5
-1 5 4  3 9 8  7 6 2
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,4,7,null,null,null,null,null,0,1,null,null,null,null,null,7,null,null,null,null,0,null,null,null,1,2,null,null,null,null,null,0,null,null,null,null,6,1,null,null,null,4,3,null,null,7,null,null,4,3,null,6,null,null,null,null,2,null,7,1,null,null,null,4,null,null,null,null,5,null,7,null,8,null,null,6,null,null,null,null],"solution":[8,2,4,7,1,6,3,0,5,0,1,3,8,5,2,6,7,4,7,5,6,0,3,4,8,1,2,4,3,8,6,2,0,7,5,1,2,6,1,5,7,8,4,3,0,5,7,0,1,4,3,2,6,8,3,0,5,2,8,7,1,4,6,6,4,2,3,0,1,5,8,7,1,8,7,4,6,5,0,2,3]}
-PUZZLE:
-_ _ 5  8 _ _  _ _ _
-1 2 _  _ _ _  _ 8 _
-_ _ _  1 _ _  _ 2 3
-
-_ _ _  _ _ 1  _ _ _
-_ 7 2  _ _ _  5 4 _
-_ 8 _  _ 5 4  _ 7 _
-
-_ _ _  3 _ 8  2 _ _
-_ 5 _  _ _ _  6 _ 8
-_ 9 _  _ 7 _  _ _ _
-
-SOLUTION:
-9 3 5  8 2 7  4 1 6
-1 2 4  9 6 3  7 8 5
-8 6 7  1 4 5  9 2 3
-
-5 4 9  7 3 1  8 6 2
-3 7 2  6 8 9  5 4 1
-6 8 1  2 5 4  3 7 9
-
-4 1 6  3 9 8  2 5 7
-7 5 3  4 1 2  6 9 8
-2 9 8  5 7 6  1 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,5,null,null,null,null,null,null,1,4,null,null,null,null,null,null,null,null,null,null,null,null,null,3,5,1,5,null,null,4,null,null,null,6,null,6,null,null,0,1,null,null,8,4,null,1,null,null,2,null,null,null,null,null,null,6,1,null,null,5,null,8,null,null,null,null,6,4,null,null,null,null,3,null,null,null,7,null,null,0],"solution":[3,8,5,6,7,1,4,0,2,1,4,0,3,5,2,8,7,6,2,6,7,8,4,0,3,5,1,5,0,2,4,3,8,1,6,7,6,7,3,0,1,5,2,8,4,8,1,4,7,2,6,0,3,5,7,2,6,1,0,3,5,4,8,0,5,8,2,6,4,7,1,3,4,3,1,5,8,7,6,2,0]}
-PUZZLE:
-_ 9 6  _ _ _  _ _ _
-2 5 _  _ _ _  _ _ _
-_ _ _  _ _ _  4 6 2
-
-6 _ _  5 _ _  _ 7 _
-7 _ _  1 2 _  _ 9 5
-_ 2 _  _ 3 _  _ _ _
-
-_ _ 7  2 _ _  6 _ 9
-_ _ _  _ 7 5  _ _ _
-_ 4 _  _ _ 8  _ _ 1
-
-SOLUTION:
-4 9 6  7 8 2  5 1 3
-2 5 1  4 6 3  9 8 7
-3 7 8  9 5 1  4 6 2
-
-6 1 3  5 4 9  2 7 8
-7 8 4  1 2 6  3 9 5
-9 2 5  8 3 7  1 4 6
-
-8 3 7  2 1 4  6 5 9
-1 6 9  3 7 5  8 2 4
-5 4 2  6 9 8  7 3 1
-
-RATING: 2
-DATA:
-{"puzzle":[4,null,null,8,null,null,6,null,null,5,null,null,null,7,null,null,null,null,null,8,0,2,5,null,null,null,7,0,4,null,null,null,null,null,null,null,null,null,null,null,null,null,8,6,null,null,null,null,6,null,null,null,null,3,null,null,4,null,null,null,1,null,null,null,null,null,null,null,1,null,5,0,null,7,null,null,0,null,null,null,null],"solution":[4,2,7,8,1,3,6,0,5,5,3,1,0,7,6,2,4,8,6,8,0,2,5,4,3,1,7,0,4,6,7,3,8,5,2,1,7,5,3,1,2,0,8,6,4,2,1,8,6,4,5,0,7,3,8,0,4,5,6,7,1,3,2,3,6,2,4,8,1,7,5,0,1,7,5,3,0,2,4,8,6]}
-PUZZLE:
-5 _ _  9 _ _  7 _ _
-6 _ _  _ 8 _  _ _ _
-_ 9 1  3 6 _  _ _ 8
-
-1 5 _  _ _ _  _ _ _
-_ _ _  _ _ _  9 7 _
-_ _ _  7 _ _  _ _ 4
-
-_ _ 5  _ _ _  2 _ _
-_ _ _  _ _ 2  _ 6 1
-_ 8 _  _ 1 _  _ _ _
-
-SOLUTION:
-5 3 8  9 2 4  7 1 6
-6 4 2  1 8 7  3 5 9
-7 9 1  3 6 5  4 2 8
-
-1 5 7  8 4 9  6 3 2
-8 6 4  2 3 1  9 7 5
-3 2 9  7 5 6  1 8 4
-
-9 1 5  6 7 8  2 4 3
-4 7 3  5 9 2  8 6 1
-2 8 6  4 1 3  5 9 7
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,6,null,null,3,null,null,null,null,5,null,7,null,null,null,8,null,7,1,null,2,null,null,null,5,1,null,null,5,null,3,null,null,4,5,null,0,null,6,null,null,null,7,3,null,null,null,null,null,null,null,null,0,null,3,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,3,6,null,0,null],"solution":[8,0,4,6,5,1,3,7,2,2,3,5,4,7,0,6,1,8,6,7,1,3,2,8,0,4,5,1,2,7,5,0,3,8,6,4,5,4,0,8,6,2,1,3,7,3,6,8,1,4,7,2,5,0,0,5,3,2,1,4,7,8,6,7,1,6,0,8,5,4,2,3,4,8,2,7,3,6,5,0,1]}
-PUZZLE:
-_ _ _  7 _ _  4 _ _
-_ _ 6  _ 8 _  _ _ 9
-_ 8 2  _ 3 _  _ _ 6
-
-2 _ _  6 _ 4  _ _ 5
-6 _ 1  _ 7 _  _ _ 8
-4 _ _  _ _ _  _ _ _
-
-1 _ 4  _ 2 _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ 9 _  _ 4 7  _ 1 _
-
-SOLUTION:
-9 1 5  7 6 2  4 8 3
-3 4 6  5 8 1  7 2 9
-7 8 2  4 3 9  1 5 6
-
-2 3 8  6 1 4  9 7 5
-6 5 1  9 7 3  2 4 8
-4 7 9  2 5 8  3 6 1
-
-1 6 4  3 2 5  8 9 7
-8 2 7  1 9 6  5 3 4
-5 9 3  8 4 7  6 1 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,4,6,null,2,6,null,null,null,null,null,null,1,4,null,null,null,null,7,null,null,0,null,null,null,null,null,6,null,null,null,3,1,0,6,null,null,5,null,null,null,null,8,null,null,1,7,null,null,null,2,null,1,null,null,null,8,6,null,null,null,8,null,null,null,3,null,null,null,4,null,5,null,null,null,null,null],"solution":[8,5,7,1,0,4,6,3,2,6,3,0,8,5,2,7,1,4,4,1,2,6,7,3,5,0,8,7,2,4,0,6,8,1,5,3,1,0,6,2,3,5,4,8,7,3,8,5,4,1,7,0,2,6,2,7,1,3,4,0,8,6,5,5,6,8,7,2,1,3,4,0,0,4,3,5,8,6,2,7,1]}
-PUZZLE:
-_ _ _  _ _ 5  7 _ 3
-7 _ _  _ _ _  _ 2 5
-_ _ _  _ 8 _  _ 1 _
-
-_ _ _  _ 7 _  _ _ 4
-2 1 7  _ _ 6  _ _ _
-_ 9 _  _ 2 8  _ _ _
-
-3 _ 2  _ _ _  9 7 _
-_ _ 9  _ _ _  4 _ _
-_ 5 _  6 _ _  _ _ _
-
-SOLUTION:
-9 6 8  2 1 5  7 4 3
-7 4 1  9 6 3  8 2 5
-5 2 3  7 8 4  6 1 9
-
-8 3 5  1 7 9  2 6 4
-2 1 7  3 4 6  5 9 8
-4 9 6  5 2 8  1 3 7
-
-3 8 2  4 5 1  9 7 6
-6 7 9  8 3 2  4 5 1
-1 5 4  6 9 7  3 8 2
-
-RATING: 2.75
-DATA:
-{"puzzle":[1,null,6,null,7,null,null,3,5,null,null,null,null,null,null,null,null,1,null,null,null,null,null,6,null,2,null,null,7,null,null,1,null,null,5,null,6,null,null,5,null,null,null,8,7,3,null,null,8,0,null,null,null,null,2,0,8,null,null,null,null,null,null,null,5,null,2,8,null,null,6,null,null,null,null,null,null,null,null,null,null],"solution":[1,2,6,0,7,8,4,3,5,0,8,4,3,2,5,6,7,1,5,3,7,1,4,6,0,2,8,8,7,2,6,1,4,3,5,0,6,4,0,5,3,2,1,8,7,3,1,5,8,0,7,2,4,6,2,0,8,7,6,3,5,1,4,4,5,1,2,8,0,7,6,3,7,6,3,4,5,1,8,0,2]}
-PUZZLE:
-2 _ 7  _ 8 _  _ 4 6
-_ _ _  _ _ _  _ _ 2
-_ _ _  _ _ 7  _ 3 _
-
-_ 8 _  _ 2 _  _ 6 _
-7 _ _  6 _ _  _ 9 8
-4 _ _  9 1 _  _ _ _
-
-3 1 9  _ _ _  _ _ _
-_ 6 _  3 9 _  _ 7 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-2 3 7  1 8 9  5 4 6
-1 9 5  4 3 6  7 8 2
-6 4 8  2 5 7  1 3 9
-
-9 8 3  7 2 5  4 6 1
-7 5 1  6 4 3  2 9 8
-4 2 6  9 1 8  3 5 7
-
-3 1 9  8 7 4  6 2 5
-5 6 2  3 9 1  8 7 4
-8 7 4  5 6 2  9 1 3
-
-RATING: 3.75
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,5,null,6,null,null,null,null,null,null,null,null,null,7,3,null,0,4,null,null,null,null,2,4,null,null,null,null,0,null,null,null,null,8,3,null,null,null,null,null,null,6,null,null,1,null,null,null,null,null,null,4,8,null,null,3,null,null,0,null,2,null,null,5,null,null,null,1,null,null,null,3,7,null,null],"solution":[1,8,0,3,7,6,2,5,4,6,4,5,1,2,8,0,7,3,2,7,3,5,0,4,6,1,8,8,2,4,7,6,5,3,0,1,0,5,1,8,3,2,4,6,7,7,3,6,0,4,1,8,2,5,5,6,7,4,8,0,1,3,2,3,0,8,2,1,7,5,4,6,4,1,2,6,5,3,7,8,0]}
-PUZZLE:
-2 _ _  _ _ _  _ 6 _
-7 _ _  _ _ _  _ _ _
-_ 8 4  _ 1 5  _ _ _
-
-_ 3 5  _ _ _  _ 1 _
-_ _ _  9 4 _  _ _ _
-_ _ 7  _ _ 2  _ _ _
-
-_ _ _  5 9 _  _ 4 _
-_ 1 _  3 _ _  6 _ _
-_ 2 _  _ _ 4  8 _ _
-
-SOLUTION:
-2 9 1  4 8 7  3 6 5
-7 5 6  2 3 9  1 8 4
-3 8 4  6 1 5  7 2 9
-
-9 3 5  8 7 6  4 1 2
-1 6 2  9 4 3  5 7 8
-8 4 7  1 5 2  9 3 6
-
-6 7 8  5 9 1  2 4 3
-4 1 9  3 2 8  6 5 7
-5 2 3  7 6 4  8 9 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,null,null,null,null,0,1,null,null,null,5,4,5,null,null,null,null,null,0,3,null,null,5,null,8,null,null,null,null,null,8,null,null,6,null,null,null,4,null,null,4,null,null,null,7,6,null,null,4,null,null,null,8,null,7,null,null,null,null,5,null,null,null,3,1,null,null,null,null,3,null,null,null,0,8],"solution":[3,2,4,5,7,0,8,6,1,7,6,0,1,3,8,2,5,4,5,1,8,4,2,6,0,3,7,6,5,2,8,0,4,1,7,3,8,0,7,6,1,3,5,4,2,1,4,3,2,5,7,6,8,0,4,3,6,0,8,1,7,2,5,0,8,5,7,4,2,3,1,6,2,7,1,3,6,5,4,0,8]}
-PUZZLE:
-_ _ _  _ 8 _  _ _ _
-_ _ 1  2 _ _  _ 6 5
-6 _ _  _ _ _  1 4 _
-
-_ 6 _  9 _ _  _ _ _
-9 _ _  7 _ _  _ 5 _
-_ 5 _  _ _ 8  7 _ _
-
-5 _ _  _ 9 _  8 _ _
-_ _ 6  _ _ _  4 2 _
-_ _ _  4 _ _  _ 1 9
-
-SOLUTION:
-4 3 5  6 8 1  9 7 2
-8 7 1  2 4 9  3 6 5
-6 2 9  5 3 7  1 4 8
-
-7 6 3  9 1 5  2 8 4
-9 1 8  7 2 4  6 5 3
-2 5 4  3 6 8  7 9 1
-
-5 4 7  1 9 2  8 3 6
-1 9 6  8 5 3  4 2 7
-3 8 2  4 7 6  5 1 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,7,null,null,1,null,null,null,0,6,null,5,null,8,null,null,null,null,null,null,null,null,null,6,null,4,3,null,null,0,null,null,null,null,null,null,null,null,null,5,null,null,null,1,null,null,3,null,null,null,null,6,null,null,8,null,null,3,4,2,null,5,null,0,null,4,null,6,null,1,null,null,null,null,null,1,null,0,null],"solution":[8,2,4,7,3,6,1,5,0,3,0,6,1,5,4,8,7,2,7,5,1,2,8,0,3,6,4,4,3,2,6,0,8,5,1,7,0,6,7,4,1,5,2,8,3,1,8,5,3,2,7,0,4,6,6,1,8,0,7,3,4,2,5,5,7,0,8,4,2,6,3,1,2,4,3,5,6,1,7,0,8]}
-PUZZLE:
-_ _ _  8 _ _  2 _ _
-_ 1 7  _ 6 _  9 _ _
-_ _ _  _ _ _  _ 7 _
-
-5 4 _  _ 1 _  _ _ _
-_ _ _  _ _ 6  _ _ _
-2 _ _  4 _ _  _ _ 7
-
-_ _ 9  _ _ 4  5 3 _
-6 _ 1  _ 5 _  7 _ 2
-_ _ _  _ _ 2  _ 1 _
-
-SOLUTION:
-9 3 5  8 4 7  2 6 1
-4 1 7  2 6 5  9 8 3
-8 6 2  3 9 1  4 7 5
-
-5 4 3  7 1 9  6 2 8
-1 7 8  5 2 6  3 9 4
-2 9 6  4 3 8  1 5 7
-
-7 2 9  1 8 4  5 3 6
-6 8 1  9 5 3  7 4 2
-3 5 4  6 7 2  8 1 9
-
-RATING: 1
-DATA:
-{"puzzle":[null,6,null,4,null,null,5,3,null,5,null,null,null,null,2,null,null,null,null,8,null,null,null,null,null,4,null,3,null,null,null,null,8,2,null,null,null,null,null,null,null,null,3,null,null,null,null,null,0,null,6,8,null,null,null,null,1,6,5,null,null,null,null,null,4,null,null,null,null,null,null,null,6,null,2,null,7,1,null,null,8],"solution":[1,6,0,4,8,7,5,3,2,5,3,4,1,6,2,0,8,7,2,8,7,5,0,3,1,4,6,3,1,6,7,4,8,2,5,0,0,7,8,2,1,5,3,6,4,4,2,5,0,3,6,8,7,1,8,0,1,6,5,4,7,2,3,7,4,3,8,2,0,6,1,5,6,5,2,3,7,1,4,0,8]}
-PUZZLE:
-_ 7 _  5 _ _  6 4 _
-6 _ _  _ _ 3  _ _ _
-_ 9 _  _ _ _  _ 5 _
-
-4 _ _  _ _ 9  3 _ _
-_ _ _  _ _ _  4 _ _
-_ _ _  1 _ 7  9 _ _
-
-_ _ 2  7 6 _  _ _ _
-_ 5 _  _ _ _  _ _ _
-7 _ 3  _ 8 2  _ _ 9
-
-SOLUTION:
-2 7 1  5 9 8  6 4 3
-6 4 5  2 7 3  1 9 8
-3 9 8  6 1 4  2 5 7
-
-4 2 7  8 5 9  3 6 1
-1 8 9  3 2 6  4 7 5
-5 3 6  1 4 7  9 8 2
-
-9 1 2  7 6 5  8 3 4
-8 5 4  9 3 1  7 2 6
-7 6 3  4 8 2  5 1 9
-
-RATING: 0
-DATA:
-{"puzzle":[1,6,null,null,2,4,null,null,null,null,null,null,null,null,null,3,6,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,7,8,0,null,1,4,null,null,null,null,2,null,null,null,null,null,null,1,null,null,null,null,null,6,null,2,0,null,null,4,null,8,1,null,null,null,null,null,7,null,null,null,0,null,null,null,null],"solution":[1,6,3,8,2,4,7,0,5,2,8,7,0,5,1,3,6,4,5,4,0,3,6,7,8,2,1,6,3,4,2,1,0,5,7,8,0,7,1,4,8,5,6,3,2,8,5,2,7,3,6,1,4,0,3,1,5,6,4,2,0,8,7,4,0,8,1,7,3,2,5,6,7,2,6,5,0,8,4,1,3]}
-PUZZLE:
-2 7 _  _ 3 5  _ _ _
-_ _ _  _ _ _  4 7 _
-_ _ _  _ _ 8  _ _ _
-
-_ _ _  _ _ _  _ 8 9
-1 _ 2  5 _ _  _ _ 3
-_ _ _  _ _ _  2 _ _
-
-_ _ _  7 _ 3  1 _ _
-5 _ 9  2 _ _  _ _ _
-8 _ _  _ 1 _  _ _ _
-
-SOLUTION:
-2 7 4  9 3 5  8 1 6
-3 9 8  1 6 2  4 7 5
-6 5 1  4 7 8  9 3 2
-
-7 4 5  3 2 1  6 8 9
-1 8 2  5 9 6  7 4 3
-9 6 3  8 4 7  2 5 1
-
-4 2 6  7 5 3  1 9 8
-5 1 9  2 8 4  3 6 7
-8 3 7  6 1 9  5 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,null,null,2,null,0,null,null,null,null,null,null,0,null,null,7,3,null,3,null,null,5,null,4,2,null,null,4,null,0,6,null,null,null,null,null,null,null,1,null,null,null,null,5,null,null,2,null,null,null,3,null,null,4,null,6,null,1,null,null,5,null,0,null,null,null,null,null,null,null,8,null,8,null,null,null,null,2,null,null],"solution":[5,7,4,6,2,3,0,8,1,2,6,1,8,0,4,5,7,3,8,3,0,7,5,1,4,2,6,3,4,5,0,6,7,8,1,2,7,0,8,1,3,2,6,4,5,6,1,2,4,8,5,3,0,7,4,2,6,3,1,8,7,5,0,0,5,7,2,4,6,1,3,8,1,8,3,5,7,0,2,6,4]}
-PUZZLE:
-6 _ _  _ 3 _  1 _ _
-_ _ _  _ 1 _  _ 8 4
-_ 4 _  _ 6 _  5 3 _
-
-_ 5 _  1 7 _  _ _ _
-_ _ _  2 _ _  _ _ 6
-_ _ 3  _ _ _  4 _ _
-
-5 _ 7  _ 2 _  _ 6 _
-1 _ _  _ _ _  _ _ 9
-_ 9 _  _ _ _  3 _ _
-
-SOLUTION:
-6 8 5  7 3 4  1 9 2
-3 7 2  9 1 5  6 8 4
-9 4 1  8 6 2  5 3 7
-
-4 5 6  1 7 8  9 2 3
-8 1 9  2 4 3  7 5 6
-7 2 3  5 9 6  4 1 8
-
-5 3 7  4 2 9  8 6 1
-1 6 8  3 5 7  2 4 9
-2 9 4  6 8 1  3 7 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,3,null,0,null,null,null,null,2,null,null,8,6,null,null,null,5,null,7,null,null,null,null,null,3,8,null,1,null,null,null,2,null,null,null,null,0,null,null,null,null,5,null,null,4,null,6,null,null,null,null,null,null,null,null,null,null,1,null,3,null,null,null,null,null,2,null,null,1,0,null,5,3,null,7,null,null,null,null],"solution":[6,1,8,3,5,0,7,4,2,3,2,4,7,8,6,1,0,5,5,0,7,1,4,2,8,6,3,8,3,1,4,0,5,2,7,6,7,6,0,2,1,8,3,5,4,2,4,5,6,3,7,0,8,1,0,8,2,5,6,1,4,3,7,4,7,6,8,2,3,5,1,0,1,5,3,0,7,4,6,2,8]}
-PUZZLE:
-_ _ _  4 _ 1  _ _ _
-_ 3 _  _ 9 7  _ _ _
-6 _ 8  _ _ _  _ _ 4
-
-9 _ 2  _ _ _  3 _ _
-_ _ 1  _ _ _  _ 6 _
-_ 5 _  7 _ _  _ _ _
-
-_ _ _  _ _ 2  _ 4 _
-_ _ _  _ 3 _  _ 2 1
-_ 6 4  _ 8 _  _ _ _
-
-SOLUTION:
-7 2 9  4 6 1  8 5 3
-4 3 5  8 9 7  2 1 6
-6 1 8  2 5 3  9 7 4
-
-9 4 2  5 1 6  3 8 7
-8 7 1  3 2 9  4 6 5
-3 5 6  7 4 8  1 9 2
-
-1 9 3  6 7 2  5 4 8
-5 8 7  9 3 4  6 2 1
-2 6 4  1 8 5  7 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,4,null,7,1,null,null,null,null,5,null,0,null,4,8,null,null,null,2,1,null,null,null,5,0,7,null,3,null,null,null,null,1,null,null,3,null,null,null,null,null,null,1,null,2,null,null,7,null,0,null,null,8,4,null,null,null,null,null,null,7,null,null,null,6,null,4,null,null,null,null,null,null,null,null,2,null,null],"solution":[6,0,5,8,4,3,7,1,2,2,3,1,5,7,0,6,4,8,8,4,7,2,1,6,0,3,5,0,7,8,3,2,4,5,6,1,4,6,3,0,5,1,8,2,7,1,5,2,6,8,7,3,0,4,3,8,4,7,0,2,1,5,6,7,2,0,1,6,5,4,8,3,5,1,6,4,3,8,2,7,0]}
-PUZZLE:
-_ _ 6  _ 5 _  8 2 _
-_ _ _  6 _ 1  _ 5 9
-_ _ _  3 2 _  _ _ 6
-
-1 8 _  4 _ _  _ _ 2
-_ _ 4  _ _ _  _ _ _
-2 _ 3  _ _ 8  _ 1 _
-
-_ 9 5  _ _ _  _ _ _
-8 _ _  _ 7 _  5 _ _
-_ _ _  _ _ _  3 _ _
-
-SOLUTION:
-7 1 6  9 5 4  8 2 3
-3 4 2  6 8 1  7 5 9
-9 5 8  3 2 7  1 4 6
-
-1 8 9  4 3 5  6 7 2
-5 7 4  1 6 2  9 3 8
-2 6 3  7 9 8  4 1 5
-
-4 9 5  8 1 3  2 6 7
-8 3 1  2 7 6  5 9 4
-6 2 7  5 4 9  3 8 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,3,null,null,null,null,4,null,0,null,null,5,null,null,2,null,null,null,7,null,null,2,null,null,0,null,null,null,null,null,null,null,null,6,5,6,null,null,3,null,null,null,null,null,null,2,null,1,null,5,3,null,null,1,null,8,null,null,4,null,null,3,null,null,0,null,null,2,null,null,null,null,null,null,null,4,8,null,null],"solution":[2,5,1,3,0,6,7,8,4,4,0,6,7,5,8,3,2,1,8,3,7,1,4,2,6,5,0,1,7,3,2,8,5,0,4,6,5,6,8,4,3,0,1,7,2,0,4,2,6,1,7,5,3,8,6,1,5,8,2,3,4,0,7,3,8,4,0,7,1,2,6,5,7,2,0,5,6,4,8,1,3]}
-PUZZLE:
-_ _ _  4 _ _  _ _ 5
-_ 1 _  _ 6 _  _ 3 _
-_ _ 8  _ _ 3  _ _ 1
-
-_ _ _  _ _ _  _ _ 7
-6 7 _  _ 4 _  _ _ _
-_ _ 3  _ 2 _  6 4 _
-
-_ 2 _  9 _ _  5 _ _
-4 _ _  1 _ _  3 _ _
-_ _ _  _ _ 5  9 _ _
-
-SOLUTION:
-3 6 2  4 1 7  8 9 5
-5 1 7  8 6 9  4 3 2
-9 4 8  2 5 3  7 6 1
-
-2 8 4  3 9 6  1 5 7
-6 7 9  5 4 1  2 8 3
-1 5 3  7 2 8  6 4 9
-
-7 2 6  9 3 4  5 1 8
-4 9 5  1 8 2  3 7 6
-8 3 1  6 7 5  9 2 4
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,4,8,4,null,2,null,null,null,null,0,null,null,null,null,6,null,null,null,null,null,null,4,null,1,null,null,null,null,null,6,null,8,null,null,2,5,null,3,1,3,null,null,null,null,7,null,null,7,null,null,4,null,null,null,8,null,null,null,null,null,null,8,null,null,null,null,null,null,null,6,5,3,null,null],"solution":[3,7,1,5,2,0,6,4,8,4,6,2,3,8,7,1,0,5,5,8,0,6,1,4,2,3,7,2,4,7,1,5,3,8,6,0,6,0,8,7,4,2,5,1,3,1,3,5,8,0,6,7,2,4,7,5,6,4,3,1,0,8,2,0,1,3,2,7,8,4,5,6,8,2,4,0,6,5,3,7,1]}
-PUZZLE:
-_ _ _  _ _ _  _ 5 9
-5 _ 3  _ _ _  _ 1 _
-_ _ _  7 _ _  _ _ _
-
-_ 5 _  2 _ _  _ _ _
-7 _ 9  _ _ 3  6 _ 4
-2 4 _  _ _ _  8 _ _
-
-8 _ _  5 _ _  _ 9 _
-_ _ _  _ _ 9  _ _ _
-_ _ _  _ 7 6  4 _ _
-
-SOLUTION:
-4 8 2  6 3 1  7 5 9
-5 7 3  4 9 8  2 1 6
-6 9 1  7 2 5  3 4 8
-
-3 5 8  2 6 4  9 7 1
-7 1 9  8 5 3  6 2 4
-2 4 6  9 1 7  8 3 5
-
-8 6 7  5 4 2  1 9 3
-1 2 4  3 8 9  5 6 7
-9 3 5  1 7 6  4 8 2
-
-RATING: 2.25
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,4,null,null,null,null,4,null,7,6,null,2,1,null,null,null,null,null,null,null,0,null,4,null,null,null,null,null,5,null,2,null,null,5,3,null,null,null,null,6,null,null,1,null,null,7,null,null,null,0,null,null,null,null,null,3,8,5,2,null,null,null,0,null,null,null],"solution":[0,6,4,2,1,3,5,8,7,7,1,2,8,6,5,0,4,3,8,5,3,4,0,7,6,1,2,1,7,5,6,4,8,3,2,0,3,4,6,0,7,2,8,5,1,2,8,0,5,3,1,4,7,6,6,3,8,1,2,4,7,0,5,4,0,1,7,5,6,2,3,8,5,2,7,3,8,0,1,6,4]}
-PUZZLE:
-1 _ _  _ _ _  _ _ _
-_ _ _  _ 7 _  _ 5 _
-_ _ _  5 _ 8  7 _ 3
-
-2 _ _  _ _ _  _ _ 1
-_ 5 _  _ _ _  _ 6 _
-3 _ _  6 4 _  _ _ _
-
-7 _ _  2 _ _  8 _ _
-_ 1 _  _ _ _  _ 4 9
-6 3 _  _ _ 1  _ _ _
-
-SOLUTION:
-1 7 5  3 2 4  6 9 8
-8 2 3  9 7 6  1 5 4
-9 6 4  5 1 8  7 2 3
-
-2 8 6  7 5 9  4 3 1
-4 5 7  1 8 3  9 6 2
-3 9 1  6 4 2  5 8 7
-
-7 4 9  2 3 5  8 1 6
-5 1 2  8 6 7  3 4 9
-6 3 8  4 9 1  2 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,null,2,3,null,null,null,null,6,null,null,null,4,null,null,0,null,null,null,null,null,null,6,null,null,null,1,null,null,null,null,7,null,null,null,null,5,null,1,8,null,8,null,7,null,null,null,null,0,null,4,null,null,7,null,3,null,null,2,2,3,null,null,null,1,null,null,null,6,null,null,null,null,null,null,null,null],"solution":[7,6,4,0,8,5,2,3,1,1,8,3,6,7,2,5,4,0,5,0,2,3,1,4,8,7,6,3,4,5,1,0,8,6,2,7,0,2,6,4,5,7,1,8,3,8,1,7,2,3,6,4,0,5,4,5,8,7,6,3,0,1,2,2,3,0,5,4,1,7,6,8,6,7,1,8,2,0,3,5,4]}
-PUZZLE:
-_ _ _  _ 9 _  3 4 _
-_ _ _  7 _ _  _ 5 _
-_ 1 _  _ _ _  _ _ 7
-
-_ _ _  2 _ _  _ _ 8
-_ _ _  _ 6 _  2 9 _
-9 _ 8  _ _ _  _ 1 _
-
-5 _ _  8 _ 4  _ _ 3
-3 4 _  _ _ 2  _ _ _
-7 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 7 5  1 9 6  3 4 2
-2 9 4  7 8 3  6 5 1
-6 1 3  4 2 5  9 8 7
-
-4 5 6  2 1 9  7 3 8
-1 3 7  5 6 8  2 9 4
-9 2 8  3 4 7  5 1 6
-
-5 6 9  8 7 4  1 2 3
-3 4 1  6 5 2  8 7 9
-7 8 2  9 3 1  4 6 5
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,3,4,8,null,null,null,0,null,7,null,null,2,null,5,null,null,null,null,null,null,null,null,8,null,null,5,6,null,1,null,0,null,null,null,1,null,null,5,null,null,null,null,null,null,2,null,null,3,null,null,5,4,null,null,null,null,6,null,3,null,null,2,null,null,null,null,7,null,1,null,null,null,null,2,null,null],"solution":[6,7,2,0,5,3,4,8,1,4,8,0,6,7,1,3,2,5,5,3,1,4,8,2,7,0,6,8,2,3,5,6,4,1,7,0,0,6,7,1,3,8,5,4,2,1,4,5,7,2,0,6,3,8,2,5,4,8,1,7,0,6,3,3,0,6,2,4,5,8,1,7,7,1,8,3,0,6,2,5,4]}
-PUZZLE:
-_ _ _  _ _ 4  5 9 _
-_ _ 1  _ 8 _  _ 3 _
-6 _ _  _ _ _  _ _ _
-
-9 _ _  6 7 _  2 _ 1
-_ _ _  2 _ _  6 _ _
-_ _ _  _ 3 _  _ 4 _
-
-_ 6 5  _ _ _  _ 7 _
-4 _ _  3 _ _  _ _ 8
-_ 2 _  _ _ _  3 _ _
-
-SOLUTION:
-7 8 3  1 6 4  5 9 2
-5 9 1  7 8 2  4 3 6
-6 4 2  5 9 3  8 1 7
-
-9 3 4  6 7 5  2 8 1
-1 7 8  2 4 9  6 5 3
-2 5 6  8 3 1  7 4 9
-
-3 6 5  9 2 8  1 7 4
-4 1 7  3 5 6  9 2 8
-8 2 9  4 1 7  3 6 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,8,null,7,null,null,null,8,null,null,0,null,null,null,2,null,null,5,null,null,3,null,null,null,null,2,null,null,3,5,null,null,8,null,5,0,null,null,null,null,null,1,null,null,null,null,4,null,null,null,0,6,null,2,7,null,null,1,null,null,null,null,8,null,null,null,null,0,null,null,0,null,null,5,4,null,null,null,null],"solution":[1,6,0,8,2,7,4,3,5,8,4,3,0,6,5,1,2,7,7,5,2,1,3,4,8,6,0,2,1,6,3,5,0,7,8,4,5,0,4,7,8,6,2,1,3,3,7,8,4,1,2,5,0,6,4,2,7,6,0,1,3,5,8,6,8,5,2,7,3,0,4,1,0,3,1,5,4,8,6,7,2]}
-PUZZLE:
-_ _ _  9 _ 8  _ _ _
-9 _ _  1 _ _  _ 3 _
-_ 6 _  _ 4 _  _ _ _
-
-3 _ _  4 6 _  _ 9 _
-6 1 _  _ _ _  _ 2 _
-_ _ _  5 _ _  _ 1 7
-
-_ 3 8  _ _ 2  _ _ _
-_ 9 _  _ _ _  1 _ _
-1 _ _  6 5 _  _ _ _
-
-SOLUTION:
-2 7 1  9 3 8  5 4 6
-9 5 4  1 7 6  2 3 8
-8 6 3  2 4 5  9 7 1
-
-3 2 7  4 6 1  8 9 5
-6 1 5  8 9 7  3 2 4
-4 8 9  5 2 3  6 1 7
-
-5 3 8  7 1 2  4 6 9
-7 9 6  3 8 4  1 5 2
-1 4 2  6 5 9  7 8 3
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,8,5,null,null,3,null,null,6,null,2,null,null,4,null,null,7,null,5,null,null,0,null,null,null,null,null,null,3,7,null,null,5,null,null,7,4,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,8,null,0,6,null,2,null,null,null,4,null,1,null,null,null,5,null,null,null,null],"solution":[4,7,8,5,6,2,3,0,1,6,0,2,1,3,4,8,5,7,3,5,1,8,0,7,4,2,6,8,1,3,7,2,0,5,6,4,7,4,6,3,8,5,2,1,0,5,2,0,6,4,1,7,3,8,2,3,7,4,1,6,0,8,5,0,6,5,2,7,8,1,4,3,1,8,4,0,5,3,6,7,2]}
-PUZZLE:
-_ _ 9  6 _ _  4 _ _
-7 _ 3  _ _ 5  _ _ 8
-_ 6 _  _ 1 _  _ _ _
-
-_ _ 4  8 _ _  6 _ _
-8 5 _  _ _ _  _ _ 1
-_ _ _  _ _ _  _ _ _
-
-_ _ _  _ _ 7  _ 9 _
-1 7 _  3 _ _  _ 5 _
-2 _ _  _ 6 _  _ _ _
-
-SOLUTION:
-5 8 9  6 7 3  4 1 2
-7 1 3  2 4 5  9 6 8
-4 6 2  9 1 8  5 3 7
-
-9 2 4  8 3 1  6 7 5
-8 5 7  4 9 6  3 2 1
-6 3 1  7 5 2  8 4 9
-
-3 4 8  5 2 7  1 9 6
-1 7 6  3 8 9  2 5 4
-2 9 5  1 6 4  7 8 3
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,6,null,null,4,null,null,null,null,5,null,8,1,null,null,null,null,3,null,4,null,null,null,2,null,null,2,null,null,null,null,null,null,5,null,null,null,null,4,null,3,0,null,4,null,2,0,null,null,null,7,8,null,null,null,null,null,null,null,null,6,null,0,null,null,null,null,null,null,3,1,null,null,5,null,null,null,8],"solution":[2,8,1,3,6,7,0,4,5,4,0,6,5,2,8,1,7,3,7,5,3,1,4,0,6,8,2,0,3,2,6,7,5,8,1,4,5,6,7,8,1,4,2,3,0,1,4,8,2,0,3,5,6,7,8,2,5,7,3,1,4,0,6,6,7,0,4,8,2,3,5,1,3,1,4,0,5,6,7,2,8]}
-PUZZLE:
-_ _ _  _ 7 _  _ 5 _
-_ _ _  6 _ 9  2 _ _
-_ _ 4  _ 5 _  _ _ 3
-
-_ _ 3  _ _ _  _ _ _
-6 _ _  _ _ 5  _ 4 1
-_ 5 _  3 1 _  _ _ 8
-
-9 _ _  _ _ _  _ _ _
-7 _ 1  _ _ _  _ _ _
-4 2 _  _ 6 _  _ _ 9
-
-SOLUTION:
-3 9 2  4 7 8  1 5 6
-5 1 7  6 3 9  2 8 4
-8 6 4  2 5 1  7 9 3
-
-1 4 3  7 8 6  9 2 5
-6 7 8  9 2 5  3 4 1
-2 5 9  3 1 4  6 7 8
-
-9 3 6  8 4 2  5 1 7
-7 8 1  5 9 3  4 6 2
-4 2 5  1 6 7  8 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,3,null,null,8,null,null,null,8,null,null,2,null,1,null,null,null,3,null,5,null,4,null,null,1,null,null,null,null,null,null,null,null,null,null,6,null,4,null,1,null,null,7,5,null,null,null,null,null,4,0,null,null,5,null,null,6,null,null,null,8,null,1,null,7,null,6,null,null,null,0,null,null,null,8,null,null,null],"solution":[5,1,7,6,3,4,0,8,2,4,6,8,7,0,2,5,1,3,0,2,3,8,5,1,4,6,7,1,4,0,5,8,7,2,3,6,3,8,6,2,4,0,1,7,5,7,5,2,1,6,3,8,4,0,2,7,5,4,1,6,3,0,8,8,3,1,0,7,5,6,2,4,6,0,4,3,2,8,7,5,1]}
-PUZZLE:
-_ _ _  7 4 _  _ 9 _
-_ _ 9  _ _ 3  _ 2 _
-_ _ 4  _ 6 _  5 _ _
-
-2 _ _  _ _ _  _ _ _
-_ _ 7  _ 5 _  2 _ _
-8 6 _  _ _ _  _ 5 1
-
-_ _ 6  _ _ 7  _ _ _
-9 _ 2  _ 8 _  7 _ _
-_ 1 _  _ _ 9  _ _ _
-
-SOLUTION:
-6 2 8  7 4 5  1 9 3
-5 7 9  8 1 3  6 2 4
-1 3 4  9 6 2  5 7 8
-
-2 5 1  6 9 8  3 4 7
-4 9 7  3 5 1  2 8 6
-8 6 3  2 7 4  9 5 1
-
-3 8 6  5 2 7  4 1 9
-9 4 2  1 8 6  7 3 5
-7 1 5  4 3 9  8 6 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[1,null,null,null,3,null,null,null,null,0,6,null,null,null,7,null,null,null,null,2,null,null,0,null,null,6,1,8,null,null,null,null,5,null,4,null,null,null,null,null,null,null,0,null,null,null,null,null,0,4,8,null,null,null,4,null,null,null,7,null,null,0,null,null,8,2,null,null,null,5,null,null,null,null,null,null,null,null,1,null,3],"solution":[1,4,8,2,3,6,7,5,0,0,6,5,1,8,7,4,3,2,7,2,3,5,0,4,8,6,1,8,1,0,3,2,5,6,4,7,5,3,4,7,6,1,0,2,8,2,7,6,0,4,8,3,1,5,4,5,1,8,7,3,2,0,6,3,8,2,6,1,0,5,7,4,6,0,7,4,5,2,1,8,3]}
-PUZZLE:
-2 _ _  _ 4 _  _ _ _
-1 7 _  _ _ 8  _ _ _
-_ 3 _  _ 1 _  _ 7 2
-
-9 _ _  _ _ 6  _ 5 _
-_ _ _  _ _ _  1 _ _
-_ _ _  1 5 9  _ _ _
-
-5 _ _  _ 8 _  _ 1 _
-_ 9 3  _ _ _  6 _ _
-_ _ _  _ _ _  2 _ 4
-
-SOLUTION:
-2 5 9  3 4 7  8 6 1
-1 7 6  2 9 8  5 4 3
-8 3 4  6 1 5  9 7 2
-
-9 2 1  4 3 6  7 5 8
-6 4 5  8 7 2  1 3 9
-3 8 7  1 5 9  4 2 6
-
-5 6 2  9 8 4  3 1 7
-4 9 3  7 2 1  6 8 5
-7 1 8  5 6 3  2 9 4
-
-RATING: 3.25
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,null,5,null,1,null,3,null,null,7,null,null,null,null,null,null,null,null,null,2,null,null,7,null,null,null,6,null,3,1,null,5,null,0,null,null,null,null,null,2,3,null,null,null,null,null,null,8,null,null,null,null,2,null,4,null,3,6,8,null,5,1,null,null,null,null,5,null,2,null,0,null,null,null,null],"solution":[0,2,7,4,6,1,3,8,5,8,1,4,3,5,2,7,6,0,3,6,5,8,7,0,1,2,4,4,7,0,2,8,6,5,3,1,1,5,8,0,3,7,6,4,2,2,3,6,1,4,5,0,7,8,7,0,1,6,2,8,4,5,3,6,8,3,5,1,4,2,0,7,5,4,2,7,0,3,8,1,6]}
-PUZZLE:
-1 _ _  _ _ _  _ _ 6
-_ 2 _  4 _ _  8 _ _
-_ _ _  _ _ _  _ 3 _
-
-_ 8 _  _ _ 7  _ 4 2
-_ 6 _  1 _ _  _ _ _
-3 4 _  _ _ _  _ _ 9
-
-_ _ _  _ 3 _  5 _ 4
-7 9 _  6 2 _  _ _ _
-6 _ 3  _ 1 _  _ _ _
-
-SOLUTION:
-1 3 8  5 7 2  4 9 6
-9 2 5  4 6 3  8 7 1
-4 7 6  9 8 1  2 3 5
-
-5 8 1  3 9 7  6 4 2
-2 6 9  1 4 8  7 5 3
-3 4 7  2 5 6  1 8 9
-
-8 1 2  7 3 9  5 6 4
-7 9 4  6 2 5  3 1 8
-6 5 3  8 1 4  9 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,null,3,7,null,6,null,null,0,null,null,null,null,null,8,null,null,7,4,null,8,null,5,null,null,null,null,null,null,null,4,null,null,7,null,null,null,null,null,null,null,null,null,null,3,null,2,null,5,8,null,null,null,null,6,null,null,null,null,null,null,5,null,1,null,7,8,null,null,null,null,null,null,null,null,2,null,1,null],"solution":[1,5,8,4,3,7,2,6,0,6,0,3,5,2,1,7,8,4,2,7,4,0,8,6,5,3,1,0,1,2,8,6,4,3,5,7,8,6,5,7,0,3,1,4,2,4,3,7,2,1,5,8,0,6,3,2,6,1,5,0,4,7,8,5,4,1,6,7,8,0,2,3,7,8,0,3,4,2,6,1,5]}
-PUZZLE:
-2 _ _  _ 4 8  _ 7 _
-_ 1 _  _ _ _  _ 9 _
-_ 8 5  _ 9 _  6 _ _
-
-_ _ _  _ _ 5  _ _ 8
-_ _ _  _ _ _  _ _ _
-_ 4 _  3 _ 6  9 _ _
-
-_ _ 7  _ _ _  _ _ _
-6 _ 2  _ 8 9  _ _ _
-_ _ _  _ _ 3  _ 2 _
-
-SOLUTION:
-2 6 9  5 4 8  3 7 1
-7 1 4  6 3 2  8 9 5
-3 8 5  1 9 7  6 4 2
-
-1 2 3  9 7 5  4 6 8
-9 7 6  8 1 4  2 5 3
-5 4 8  3 2 6  9 1 7
-
-4 3 7  2 6 1  5 8 9
-6 5 2  7 8 9  1 3 4
-8 9 1  4 5 3  7 2 6
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,1,null,null,null,null,6,7,5,null,null,2,null,null,1,null,3,null,8,null,null,5,null,null,1,null,7,null,null,null,0,null,2,null,4,null,null,null,null,3,null,null,0,8,null,6,null,null,null,2,8,3,null,null,null,null,6,null,null,null,null,6,null,7,null,null,4,null,null,null,null,null,null,null,5,null],"solution":[8,5,7,2,0,4,1,3,6,0,3,6,7,5,1,4,2,8,4,1,2,3,6,8,7,0,5,3,6,1,5,7,2,8,4,0,5,2,8,4,1,0,6,7,3,7,4,0,8,3,6,5,1,2,2,8,3,1,4,5,0,6,7,1,0,5,6,2,7,3,8,4,6,7,4,0,8,3,2,5,1]}
-PUZZLE:
-_ _ _  _ _ _  2 _ _
-_ _ 7  8 6 _  _ 3 _
-_ 2 _  4 _ 9  _ _ 6
-
-_ _ 2  _ 8 _  _ _ 1
-_ 3 _  5 _ _  _ _ 4
-_ _ 1  9 _ 7  _ _ _
-
-3 9 4  _ _ _  _ 7 _
-_ _ _  7 _ 8  _ _ 5
-_ _ _  _ _ _  _ 6 _
-
-SOLUTION:
-9 6 8  3 1 5  2 4 7
-1 4 7  8 6 2  5 3 9
-5 2 3  4 7 9  8 1 6
-
-4 7 2  6 8 3  9 5 1
-6 3 9  5 2 1  7 8 4
-8 5 1  9 4 7  6 2 3
-
-3 9 4  2 5 6  1 7 8
-2 1 6  7 3 8  4 9 5
-7 8 5  1 9 4  3 6 2
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,8,7,null,6,null,null,null,6,null,1,null,null,null,null,2,4,null,null,null,null,0,null,1,null,0,5,null,2,null,null,1,null,null,2,null,null,null,null,null,3,null,7,null,null,3,6,null,null,null,5,null,null,8,null,null,null,null,null,null,null,7,null,null,null,8,null,null,0,null,3,null,null,null,null,null,null,null,null],"solution":[1,3,0,8,7,2,6,4,5,5,6,8,1,4,3,0,7,2,4,7,2,5,6,0,8,1,3,0,5,7,2,3,8,1,6,4,2,1,6,4,0,5,3,8,7,8,4,3,6,1,7,2,5,0,6,8,5,0,2,4,7,3,1,7,2,4,3,8,1,5,0,6,3,0,1,7,5,6,4,2,8]}
-PUZZLE:
-_ _ _  9 8 _  7 _ _
-_ 7 _  2 _ _  _ _ 3
-5 _ _  _ _ 1  _ 2 _
-
-1 6 _  3 _ _  2 _ _
-3 _ _  _ _ _  4 _ 8
-_ _ 4  7 _ _  _ 6 _
-
-_ 9 _  _ _ _  _ _ _
-8 _ _  _ 9 _  _ 1 _
-4 _ _  _ _ _  _ _ _
-
-SOLUTION:
-2 4 1  9 8 3  7 5 6
-6 7 9  2 5 4  1 8 3
-5 8 3  6 7 1  9 2 4
-
-1 6 8  3 4 9  2 7 5
-3 2 7  5 1 6  4 9 8
-9 5 4  7 2 8  3 6 1
-
-7 9 6  1 3 5  8 4 2
-8 3 5  4 9 2  6 1 7
-4 1 2  8 6 7  5 3 9
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,6,null,null,1,null,null,null,2,4,null,null,null,null,null,null,null,null,null,null,null,null,3,null,4,7,null,null,null,null,null,null,5,1,null,1,null,null,8,5,4,null,0,null,null,3,null,null,null,null,null,null,8,null,8,7,4,null,0,null,null,null,null,null,null,5,2,null,null,null,null,null,null,0,null,null,null,null,3,5],"solution":[8,7,6,0,4,1,3,5,2,2,4,3,6,7,5,0,8,1,0,5,1,2,8,3,6,4,7,7,0,8,3,6,2,5,1,4,1,6,2,8,5,4,7,0,3,4,3,5,1,0,7,2,6,8,5,8,7,4,3,0,1,2,6,3,1,4,5,2,6,8,7,0,6,2,0,7,1,8,4,3,5]}
-PUZZLE:
-_ _ 7  _ _ 2  _ _ _
-3 5 _  _ _ _  _ _ _
-_ _ _  _ _ 4  _ 5 8
-
-_ _ _  _ _ _  6 2 _
-2 _ _  9 6 5  _ 1 _
-_ 4 _  _ _ _  _ _ 9
-
-_ 9 8  5 _ 1  _ _ _
-_ _ _  6 3 _  _ _ _
-_ _ 1  _ _ _  _ 4 6
-
-SOLUTION:
-9 8 7  1 5 2  4 6 3
-3 5 4  7 8 6  1 9 2
-1 6 2  3 9 4  7 5 8
-
-8 1 9  4 7 3  6 2 5
-2 7 3  9 6 5  8 1 4
-5 4 6  2 1 8  3 7 9
-
-6 9 8  5 4 1  2 3 7
-4 2 5  6 3 7  9 8 1
-7 3 1  8 2 9  5 4 6
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,3,null,null,null,4,null,null,null,null,null,8,null,null,null,6,null,8,null,5,null,null,4,null,3,0,2,null,null,null,3,null,null,null,null,4,6,null,null,null,null,0,null,null,null,3,1,7,null,null,null,5,null,null,null,null,1,null,null,null,null,2,null,0,null,3,null,null,null,7,null,1,null,2,null,5,null,null,null,null],"solution":[6,1,3,2,0,5,4,8,7,7,4,0,8,1,3,2,6,5,8,2,5,6,7,4,1,3,0,2,5,8,4,3,0,7,1,6,4,6,7,5,8,1,0,2,3,0,3,1,7,6,2,8,5,4,3,8,6,1,4,7,5,0,2,5,0,4,3,2,8,6,7,1,1,7,2,0,5,6,3,4,8]}
-PUZZLE:
-_ _ 4  _ _ _  5 _ _
-_ _ _  9 _ _  _ 7 _
-9 _ 6  _ _ 5  _ 4 1
-
-3 _ _  _ 4 _  _ _ _
-5 7 _  _ _ _  1 _ _
-_ 4 2  8 _ _  _ 6 _
-
-_ _ _  2 _ _  _ _ 3
-_ 1 _  4 _ _  _ 8 _
-2 _ 3  _ 6 _  _ _ _
-
-SOLUTION:
-7 2 4  3 1 6  5 9 8
-8 5 1  9 2 4  3 7 6
-9 3 6  7 8 5  2 4 1
-
-3 6 9  5 4 1  8 2 7
-5 7 8  6 9 2  1 3 4
-1 4 2  8 7 3  9 6 5
-
-4 9 7  2 5 8  6 1 3
-6 1 5  4 3 9  7 8 2
-2 8 3  1 6 7  4 5 9
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,7,null,null,1,4,3,0,8,null,null,null,null,null,null,null,null,null,null,1,null,null,0,7,null,null,null,null,null,3,null,null,5,null,null,null,null,5,null,7,null,8,1,null,7,null,3,null,null,null,0,null,null,null,2,null,7,null,null,null,4,null,1,null,6,null,null,null,null,null,null,0,null,null,null,null,5,null,null,6],"solution":[5,6,7,2,8,1,4,3,0,8,0,2,4,3,7,6,5,1,4,3,1,6,5,0,7,2,8,2,1,0,3,6,8,5,7,4,6,4,5,0,7,2,8,1,3,7,8,3,5,1,4,0,6,2,3,2,8,7,0,6,1,4,5,1,5,6,8,4,3,2,0,7,0,7,4,1,2,5,3,8,6]}
-PUZZLE:
-_ _ 8  _ _ 2  5 4 1
-9 _ _  _ _ _  _ _ _
-_ _ 2  _ _ 1  8 _ _
-
-_ _ _  4 _ _  6 _ _
-_ _ 6  _ 8 _  9 2 _
-8 _ 4  _ _ _  1 _ _
-
-_ 3 _  8 _ _  _ 5 _
-2 _ 7  _ _ _  _ _ _
-1 _ _  _ _ 6  _ _ 7
-
-SOLUTION:
-6 7 8  3 9 2  5 4 1
-9 1 3  5 4 8  7 6 2
-5 4 2  7 6 1  8 3 9
-
-3 2 1  4 7 9  6 8 5
-7 5 6  1 8 3  9 2 4
-8 9 4  6 2 5  1 7 3
-
-4 3 9  8 1 7  2 5 6
-2 6 7  9 5 4  3 1 8
-1 8 5  2 3 6  4 9 7
-
-RATING: 0
-DATA:
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-PUZZLE:
-_ _ 1  _ 4 _  _ 9 _
-_ 7 6  _ _ 9  2 _ _
-_ _ _  5 _ _  _ 6 _
-
-2 _ _  _ _ _  _ 4 _
-_ _ 5  _ 6 _  8 _ _
-4 1 _  _ 5 _  _ _ _
-
-_ _ _  1 9 _  _ _ 5
-_ 2 _  _ _ 8  _ _ _
-_ _ _  _ _ _  3 _ _
-
-SOLUTION:
-8 5 1  2 4 6  7 9 3
-3 7 6  8 1 9  2 5 4
-9 4 2  5 7 3  1 6 8
-
-2 6 9  3 8 1  5 4 7
-7 3 5  9 6 4  8 1 2
-4 1 8  7 5 2  6 3 9
-
-6 8 3  1 9 7  4 2 5
-5 2 4  6 3 8  9 7 1
-1 9 7  4 2 5  3 8 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,4,null,null,null,8,null,1,null,null,null,null,null,null,5,null,null,null,null,null,1,7,0,null,null,2,0,null,null,null,3,null,null,null,null,null,null,7,0,null,2,4,6,null,null,3,null,null,null,null,null,null,null,null,7,null,null,6,1,null,null,null,4,null,null,null,8,null,null,3,null,null,6,8,4,null,5],"solution":[7,0,6,3,1,4,5,2,8,8,2,1,7,5,0,3,4,6,5,4,3,8,2,6,1,7,0,1,7,2,0,8,5,6,3,4,3,5,8,6,4,7,0,1,2,4,6,0,2,3,1,8,5,7,0,8,4,5,7,3,2,6,1,6,1,5,4,0,2,7,8,3,2,3,7,1,6,8,4,0,5]}
-PUZZLE:
-_ _ _  _ _ 5  _ _ _
-9 _ 2  _ _ _  _ _ _
-6 _ _  _ _ _  2 8 1
-
-_ _ 3  1 _ _  _ 4 _
-_ _ _  _ _ 8  1 _ 3
-5 7 _  _ 4 _  _ _ _
-
-_ _ _  _ 8 _  _ 7 2
-_ _ _  5 _ _  _ 9 _
-_ 4 _  _ 7 9  5 _ 6
-
-SOLUTION:
-8 1 7  4 2 5  6 3 9
-9 3 2  8 6 1  4 5 7
-6 5 4  9 3 7  2 8 1
-
-2 8 3  1 9 6  7 4 5
-4 6 9  7 5 8  1 2 3
-5 7 1  3 4 2  9 6 8
-
-1 9 5  6 8 4  3 7 2
-7 2 6  5 1 3  8 9 4
-3 4 8  2 7 9  5 1 6
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,2,5,null,null,null,null,0,1,3,null,7,null,null,5,null,null,null,null,null,null,null,1,3,null,null,null,null,null,6,null,null,null,8,7,null,null,null,null,null,2,6,null,3,3,null,5,1,null,null,null,null,2,null,null,3,null,null,null,null,null,6,null,4,null,null,null,null,0,null,null,null,null,0,null,6,7,null,null,null],"solution":[4,8,2,5,3,6,7,1,0,1,3,6,7,0,4,5,2,8,5,0,7,2,8,1,3,6,4,0,2,4,6,5,3,1,8,7,8,7,1,0,4,2,6,5,3,3,6,5,1,7,8,4,0,2,7,5,3,8,1,0,2,4,6,6,4,8,3,2,5,0,7,1,2,1,0,4,6,7,8,3,5]}
-PUZZLE:
-_ _ 3  6 _ _  _ _ 1
-2 4 _  8 _ _  6 _ _
-_ _ _  _ _ 2  4 _ _
-
-_ _ _  7 _ _  _ 9 8
-_ _ _  _ _ 3  7 _ 4
-4 _ 6  2 _ _  _ _ 3
-
-_ _ 4  _ _ _  _ _ 7
-_ 5 _  _ _ _  1 _ _
-_ _ 1  _ 7 8  _ _ _
-
-SOLUTION:
-5 9 3  6 4 7  8 2 1
-2 4 7  8 1 5  6 3 9
-6 1 8  3 9 2  4 7 5
-
-1 3 5  7 6 4  2 9 8
-9 8 2  1 5 3  7 6 4
-4 7 6  2 8 9  5 1 3
-
-8 6 4  9 2 1  3 5 7
-7 5 9  4 3 6  1 8 2
-3 2 1  5 7 8  9 4 6
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,1,5,1,0,null,3,6,null,null,8,null,null,null,4,5,null,null,null,null,6,null,null,1,6,null,null,null,null,null,null,null,6,null,8,null,null,null,null,null,5,8,null,null,4,null,null,null,null,4,null,1,null,5,null,3,null,null,null,null,null,null,null,7,null,null,null,3,null,null,null,null,null,null,2],"solution":[2,6,3,7,4,8,0,1,5,1,0,5,3,6,2,4,8,7,7,8,4,5,0,1,3,2,6,4,7,1,6,5,3,2,0,8,3,2,6,0,8,7,5,4,1,0,5,8,2,1,4,6,7,3,6,4,7,1,2,5,8,3,0,5,1,2,8,3,0,7,6,4,8,3,0,4,7,6,1,5,2]}
-PUZZLE:
-_ _ _  8 _ _  _ 2 6
-2 1 _  4 7 _  _ 9 _
-_ _ 5  6 _ _  _ _ 7
-
-_ _ 2  7 _ _  _ _ _
-_ _ 7  _ 9 _  _ _ _
-_ 6 9  _ _ 5  _ _ _
-
-_ 5 _  2 _ 6  _ 4 _
-_ _ _  _ _ _  8 _ _
-_ 4 _  _ _ _  _ _ 3
-
-SOLUTION:
-3 7 4  8 5 9  1 2 6
-2 1 6  4 7 3  5 9 8
-8 9 5  6 1 2  4 3 7
-
-5 8 2  7 6 4  3 1 9
-4 3 7  1 9 8  6 5 2
-1 6 9  3 2 5  7 8 4
-
-7 5 8  2 3 6  9 4 1
-6 2 3  9 4 1  8 7 5
-9 4 1  5 8 7  2 6 3
-
-RATING: 1
-DATA:
-{"puzzle":[null,7,null,null,null,4,0,null,null,0,null,2,null,null,null,null,1,null,null,null,null,null,8,null,null,null,6,null,null,1,8,5,null,null,null,null,null,null,5,null,1,null,null,2,3,null,null,null,6,null,3,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,3,null,6,null,null,1,8,3,null,null,null,null,null,null],"solution":[3,7,8,1,6,4,0,5,2,0,6,2,3,7,5,4,1,8,5,1,4,2,8,0,3,7,6,4,3,1,8,5,2,7,6,0,6,0,5,4,1,7,8,2,3,8,2,7,6,0,3,1,4,5,7,4,6,0,2,8,5,3,1,2,5,0,7,3,1,6,8,4,1,8,3,5,4,6,2,0,7]}
-PUZZLE:
-_ 8 _  _ _ 5  1 _ _
-1 _ 3  _ _ _  _ 2 _
-_ _ _  _ 9 _  _ _ 7
-
-_ _ 2  9 6 _  _ _ _
-_ _ 6  _ 2 _  _ 3 4
-_ _ _  7 _ 4  _ _ _
-
-_ _ _  _ _ _  6 _ _
-_ _ _  _ 4 _  7 _ _
-2 9 4  _ _ _  _ _ _
-
-SOLUTION:
-4 8 9  2 7 5  1 6 3
-1 7 3  4 8 6  5 2 9
-6 2 5  3 9 1  4 8 7
-
-5 4 2  9 6 3  8 7 1
-7 1 6  5 2 8  9 3 4
-9 3 8  7 1 4  2 5 6
-
-8 5 7  1 3 9  6 4 2
-3 6 1  8 4 2  7 9 5
-2 9 4  6 5 7  3 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,3,null,null,null,null,null,2,null,0,null,2,7,null,null,null,null,null,null,null,null,1,null,null,3,5,6,null,8,null,0,null,1,null,3,null,null,null,null,null,null,null,7,null,null,null,null,null,2,null,null,8,0,4,null,null,null,null,1,null,null,null,null,6,7,null,null,null,0,null,8,8,null,null,null,null,null,null,null,null],"solution":[1,4,3,8,5,6,7,0,2,5,0,6,2,7,3,8,4,1,7,8,2,4,1,0,6,3,5,6,7,8,5,0,4,1,2,3,0,2,4,1,3,8,5,7,6,3,5,1,6,2,7,4,8,0,4,3,5,0,8,1,2,6,7,2,6,7,3,4,5,0,1,8,8,1,0,7,6,2,3,5,4]}
-PUZZLE:
-_ 5 4  _ _ _  _ _ 3
-_ 1 _  3 8 _  _ _ _
-_ _ _  _ 2 _  _ 4 6
-
-7 _ 9  _ 1 _  2 _ 4
-_ _ _  _ _ _  _ 8 _
-_ _ _  _ 3 _  _ 9 1
-
-5 _ _  _ _ 2  _ _ _
-_ 7 8  _ _ _  1 _ 9
-9 _ _  _ _ _  _ _ _
-
-SOLUTION:
-2 5 4  9 6 7  8 1 3
-6 1 7  3 8 4  9 5 2
-8 9 3  5 2 1  7 4 6
-
-7 8 9  6 1 5  2 3 4
-1 3 5  2 4 9  6 8 7
-4 6 2  7 3 8  5 9 1
-
-5 4 6  1 9 2  3 7 8
-3 7 8  4 5 6  1 2 9
-9 2 1  8 7 3  4 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,null,4,2,null,null,null,null,null,null,1,null,null,0,7,null,8,null,null,null,null,6,null,null,null,0,null,null,null,null,null,null,null,null,null,2,null,null,null,null,4,null,7,1,null,8,3,null,0,3,null,null,null,4,null,null,null,4,null,null,null,2,null,null,null,null,null,6,null,null,null,null,7,null,null],"solution":[8,1,6,2,5,0,3,7,4,2,5,4,3,6,7,0,1,8,3,0,7,4,8,1,5,2,6,6,2,1,8,0,3,4,5,7,7,8,3,5,4,2,1,6,0,5,4,0,7,1,6,8,3,2,0,3,5,6,7,4,2,8,1,4,7,8,1,2,5,6,0,3,1,6,2,0,3,8,7,4,5]}
-PUZZLE:
-_ _ _  _ _ 1  _ _ 5
-3 _ _  _ _ _  _ 2 _
-_ 1 8  _ 9 _  _ _ _
-
-7 _ _  _ 1 _  _ _ _
-_ _ _  _ _ 3  _ _ _
-_ 5 _  8 2 _  9 4 _
-
-1 4 _  _ _ 5  _ _ _
-5 _ _  _ 3 _  _ _ _
-_ 7 _  _ _ _  8 _ _
-
-SOLUTION:
-9 2 7  3 6 1  4 8 5
-3 6 5  4 7 8  1 2 9
-4 1 8  5 9 2  6 3 7
-
-7 3 2  9 1 4  5 6 8
-8 9 4  6 5 3  2 7 1
-6 5 1  8 2 7  9 4 3
-
-1 4 6  7 8 5  3 9 2
-5 8 9  2 3 6  7 1 4
-2 7 3  1 4 9  8 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,1,null,2,null,null,null,null,0,2,null,null,null,null,4,5,null,null,3,null,7,0,null,null,null,7,null,null,null,4,null,null,null,null,null,3,null,7,null,null,null,null,null,null,null,null,null,null,null,0,null,6,null,null,null,3,null,null,2,null,null,8,null,1,2,null,6,null,null,null,null,null,null,null,null,null,6,null,null],"solution":[4,7,8,1,5,2,3,6,0,1,0,2,6,3,8,7,4,5,6,5,3,4,7,0,8,1,2,7,8,6,0,4,5,1,2,3,2,3,0,7,6,1,4,5,8,5,1,4,8,2,3,0,7,6,0,6,5,3,1,7,2,8,4,8,4,1,2,0,6,5,3,7,3,2,7,5,8,4,6,0,1]}
-PUZZLE:
-5 _ _  2 _ 3  _ _ _
-_ 1 3  _ _ _  _ 5 6
-_ _ 4  _ 8 1  _ _ _
-
-8 _ _  _ 5 _  _ _ _
-_ 4 _  8 _ _  _ _ _
-_ _ _  _ _ _  1 _ 7
-
-_ _ _  4 _ _  3 _ _
-9 _ 2  3 _ 7  _ _ _
-_ _ _  _ _ _  7 _ _
-
-SOLUTION:
-5 8 9  2 6 3  4 7 1
-2 1 3  7 4 9  8 5 6
-7 6 4  5 8 1  9 2 3
-
-8 9 7  1 5 6  2 3 4
-3 4 1  8 7 2  5 6 9
-6 2 5  9 3 4  1 8 7
-
-1 7 6  4 2 8  3 9 5
-9 5 2  3 1 7  6 4 8
-4 3 8  6 9 5  7 1 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,2,8,5,null,null,null,6,null,null,null,null,4,null,null,null,null,null,null,null,null,null,6,null,null,1,6,null,null,null,null,null,3,null,null,4,null,null,null,8,null,5,null,2,0,8,null,null,null,null,2,null,null,null,null,null,null,0,8,null,7,null,null,5,0,null,null,null,null,null,null,null,null,1,5,null,4],"solution":[4,1,0,3,6,2,8,5,7,7,5,6,1,0,8,3,4,2,8,2,3,5,7,4,0,1,6,0,8,1,6,2,7,4,3,5,3,6,7,4,1,5,2,8,0,5,4,2,0,8,3,7,6,1,2,3,5,7,4,6,1,0,8,1,7,4,8,5,0,6,2,3,6,0,8,2,3,1,5,7,4]}
-PUZZLE:
-_ _ _  4 _ 3  9 6 _
-_ _ 7  _ _ _  _ 5 _
-_ _ _  _ _ _  _ _ 7
-
-_ _ 2  7 _ _  _ _ _
-4 _ _  5 _ _  _ 9 _
-6 _ 3  1 9 _  _ _ _
-
-3 _ _  _ _ _  _ 1 9
-_ 8 _  _ 6 1  _ _ _
-_ _ _  _ _ 2  6 _ 5
-
-SOLUTION:
-5 2 1  4 7 3  9 6 8
-8 6 7  2 1 9  4 5 3
-9 3 4  6 8 5  1 2 7
-
-1 9 2  7 3 8  5 4 6
-4 7 8  5 2 6  3 9 1
-6 5 3  1 9 4  8 7 2
-
-3 4 6  8 5 7  2 1 9
-2 8 5  9 6 1  7 3 4
-7 1 9  3 4 2  6 8 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,5,null,3,1,null,null,null,null,null,null,2,7,null,null,4,null,1,6,null,null,null,null,null,null,null,null,1,2,4,6,null,null,null,null,null,null,null,null,null,null,null,0,null,0,null,null,7,null,null,null,2,3,null,null,null,null,1,4,null,null,null,6,null,null,null,null,null,null,null,0,null,null,null,null,null,null,7,3,null],"solution":[4,2,5,8,3,1,0,6,7,8,0,3,2,7,6,5,4,1,1,6,7,0,4,5,3,8,2,3,1,2,4,6,0,8,7,5,7,5,8,1,2,3,4,0,6,0,4,6,7,5,8,1,2,3,2,7,0,3,1,4,6,5,8,6,3,4,5,8,7,2,1,0,5,8,1,6,0,2,7,3,4]}
-PUZZLE:
-_ _ 6  _ 4 2  _ _ _
-_ _ _  3 8 _  _ 5 _
-2 7 _  _ _ _  _ _ _
-
-_ 2 3  5 7 _  _ _ _
-_ _ _  _ _ _  _ 1 _
-1 _ _  8 _ _  _ 3 4
-
-_ _ _  _ 2 5  _ _ _
-7 _ _  _ _ _  _ _ 1
-_ _ _  _ _ _  8 4 _
-
-SOLUTION:
-5 3 6  9 4 2  1 7 8
-9 1 4  3 8 7  6 5 2
-2 7 8  1 5 6  4 9 3
-
-4 2 3  5 7 1  9 8 6
-8 6 9  2 3 4  5 1 7
-1 5 7  8 6 9  2 3 4
-
-3 8 1  4 2 5  7 6 9
-7 4 5  6 9 8  3 2 1
-6 9 2  7 1 3  8 4 5
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,null,5,null,null,null,null,null,8,null,1,null,null,null,null,null,null,5,2,null,null,null,0,null,null,4,1,null,6,7,null,null,7,null,null,null,5,null,null,null,null,null,6,8,null,null,null,null,null,null,null,1,null,null,null,7,null,0,null,null,null,null,null,6,3,null,null,null,null,null,0,null,null,null,null,2,null],"solution":[3,2,1,6,7,0,5,4,8,0,4,5,8,3,1,2,7,6,8,7,6,5,2,4,1,3,0,5,3,4,1,0,6,7,8,2,7,0,2,3,5,8,4,6,1,1,6,8,7,4,2,0,5,3,4,1,3,2,8,7,6,0,5,2,5,7,0,6,3,8,1,4,6,8,0,4,1,5,3,2,7]}
-PUZZLE:
-4 _ _  _ _ _  6 _ _
-_ _ _  9 _ 2  _ _ _
-_ _ _  6 3 _  _ _ 1
-
-_ _ 5  2 _ 7  8 _ _
-8 _ _  _ 6 _  _ _ _
-_ 7 9  _ _ _  _ _ _
-
-_ 2 _  _ _ 8  _ 1 _
-_ _ _  _ 7 4  _ _ _
-_ _ 1  _ _ _  _ 3 _
-
-SOLUTION:
-4 3 2  7 8 1  6 5 9
-1 5 6  9 4 2  3 8 7
-9 8 7  6 3 5  2 4 1
-
-6 4 5  2 1 7  8 9 3
-8 1 3  4 6 9  5 7 2
-2 7 9  8 5 3  1 6 4
-
-5 2 4  3 9 8  7 1 6
-3 6 8  1 7 4  9 2 5
-7 9 1  5 2 6  4 3 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[1,null,null,null,2,null,7,null,null,null,null,0,null,4,null,null,6,null,null,null,7,null,null,3,null,null,5,null,3,8,null,null,null,null,null,null,null,5,null,null,null,null,1,null,3,7,null,null,6,null,null,null,null,null,null,null,null,7,null,null,null,null,null,0,null,null,null,null,null,2,8,null,3,null,null,null,null,1,null,null,4],"solution":[1,6,3,5,2,8,7,4,0,5,8,0,1,4,7,3,6,2,4,2,7,0,6,3,8,1,5,2,3,8,4,1,5,0,7,6,6,5,4,8,7,0,1,2,3,7,0,1,6,3,2,4,5,8,8,4,2,7,0,6,5,3,1,0,1,6,3,5,4,2,8,7,3,7,5,2,8,1,6,0,4]}
-PUZZLE:
-2 _ _  _ 3 _  8 _ _
-_ _ 1  _ 5 _  _ 7 _
-_ _ 8  _ _ 4  _ _ 6
-
-_ 4 9  _ _ _  _ _ _
-_ 6 _  _ _ _  2 _ 4
-8 _ _  7 _ _  _ _ _
-
-_ _ _  8 _ _  _ _ _
-1 _ _  _ _ _  3 9 _
-4 _ _  _ _ 2  _ _ 5
-
-SOLUTION:
-2 7 4  6 3 9  8 5 1
-6 9 1  2 5 8  4 7 3
-5 3 8  1 7 4  9 2 6
-
-3 4 9  5 2 6  1 8 7
-7 6 5  9 8 1  2 3 4
-8 1 2  7 4 3  5 6 9
-
-9 5 3  8 1 7  6 4 2
-1 2 7  4 6 5  3 9 8
-4 8 6  3 9 2  7 1 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,8,null,null,3,null,null,null,null,null,null,2,null,null,null,8,5,3,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,2,6,null,null,0,null,null,7,null,3,8,null,2,4,null,null,null,null,1,0,null,null,2,null,4,null,1,null,null,null,5,null,null,null,null,null,null,2,null,null,7,null,5,null,6,null],"solution":[7,2,0,8,5,1,3,4,6,1,4,6,3,2,0,5,7,8,5,3,8,6,4,7,1,2,0,3,7,1,5,6,8,4,0,2,6,5,4,0,1,2,7,8,3,8,0,2,4,7,3,6,5,1,0,6,7,2,3,4,8,1,5,4,8,5,1,0,6,2,3,7,2,1,3,7,8,5,0,6,4]}
-PUZZLE:
-_ _ _  9 _ _  4 _ _
-_ _ _  _ 3 _  _ _ 9
-6 4 _  _ _ _  _ _ _
-
-_ 8 _  _ _ _  _ _ 3
-7 _ _  1 _ _  8 _ 4
-9 _ 3  5 _ _  _ _ 2
-
-1 _ _  3 _ 5  _ 2 _
-_ _ 6  _ _ _  _ _ _
-3 _ _  8 _ 6  _ 7 _
-
-SOLUTION:
-8 3 1  9 6 2  4 5 7
-2 5 7  4 3 1  6 8 9
-6 4 9  7 5 8  2 3 1
-
-4 8 2  6 7 9  5 1 3
-7 6 5  1 2 3  8 9 4
-9 1 3  5 8 4  7 6 2
-
-1 7 8  3 4 5  9 2 6
-5 9 6  2 1 7  3 4 8
-3 2 4  8 9 6  1 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[3,2,null,null,0,8,null,7,null,null,null,null,4,null,null,null,null,5,null,null,8,null,1,null,3,null,null,5,null,3,null,null,null,null,0,null,null,4,null,null,null,5,null,null,6,null,0,null,null,2,null,null,4,null,null,3,null,null,6,null,null,null,null,null,null,null,null,3,0,null,null,2,null,null,null,1,null,null,null,null,null],"solution":[3,2,5,6,0,8,1,7,4,0,1,6,4,7,3,8,2,5,4,7,8,5,1,2,3,6,0,5,8,3,7,4,6,2,0,1,1,4,2,0,8,5,7,3,6,6,0,7,3,2,1,5,4,8,8,3,1,2,6,4,0,5,7,7,5,4,8,3,0,6,1,2,2,6,0,1,5,7,4,8,3]}
-PUZZLE:
-4 3 _  _ 1 9  _ 8 _
-_ _ _  5 _ _  _ _ 6
-_ _ 9  _ 2 _  4 _ _
-
-6 _ 4  _ _ _  _ 1 _
-_ 5 _  _ _ 6  _ _ 7
-_ 1 _  _ 3 _  _ 5 _
-
-_ 4 _  _ 7 _  _ _ _
-_ _ _  _ 4 1  _ _ 3
-_ _ _  2 _ _  _ _ _
-
-SOLUTION:
-4 3 6  7 1 9  2 8 5
-1 2 7  5 8 4  9 3 6
-5 8 9  6 2 3  4 7 1
-
-6 9 4  8 5 7  3 1 2
-2 5 3  1 9 6  8 4 7
-7 1 8  4 3 2  6 5 9
-
-9 4 2  3 7 5  1 6 8
-8 6 5  9 4 1  7 2 3
-3 7 1  2 6 8  5 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,null,4,null,null,2,null,1,null,null,null,null,null,null,null,3,5,null,8,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,null,5,null,null,null,7,4,null,null,null,null,null,1,null,4,null,0,null,null,null,null,null,null,null,null,2,null,null,7,0,null,null,6,null,4,null,null,4,5,null,null,0,null,null,3],"solution":[5,6,7,4,0,3,2,8,1,1,0,4,6,2,8,7,3,5,3,8,2,5,7,1,0,6,4,4,1,8,0,6,2,3,5,7,0,5,6,8,3,7,4,1,2,7,2,3,1,5,4,8,0,6,8,3,1,7,4,5,6,2,0,2,7,0,3,1,6,5,4,8,6,4,5,2,8,0,1,7,3]}
-PUZZLE:
-_ 7 _  5 _ _  3 _ 2
-_ _ _  _ _ _  _ 4 6
-_ 9 _  _ _ _  _ _ _
-
-_ _ 9  _ _ _  _ _ _
-_ 6 _  _ _ 8  5 _ _
-_ _ _  2 _ 5  _ 1 _
-
-_ _ _  _ _ _  _ 3 _
-_ 8 1  _ _ 7  _ 5 _
-_ 5 6  _ _ 1  _ _ 4
-
-SOLUTION:
-6 7 8  5 1 4  3 9 2
-2 1 5  7 3 9  8 4 6
-4 9 3  6 8 2  1 7 5
-
-5 2 9  1 7 3  4 6 8
-1 6 7  9 4 8  5 2 3
-8 3 4  2 6 5  9 1 7
-
-9 4 2  8 5 6  7 3 1
-3 8 1  4 2 7  6 5 9
-7 5 6  3 9 1  2 8 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,8,null,null,6,null,null,null,null,null,null,null,7,null,null,null,4,null,null,null,6,3,null,null,null,8,null,null,0,2,null,null,null,null,null,1,null,null,null,null,null,1,7,6,null,null,null,5,null,8,null,null,0,null,null,null,3,null,null,5,null,null,null,8,null,0,null,null,null,4,null,2,null,7,null,null,null,null,null,null,null],"solution":[5,8,7,0,6,4,1,2,3,3,2,1,7,5,8,6,4,0,0,4,6,3,1,2,5,8,7,6,0,2,5,4,7,8,3,1,4,3,8,2,0,1,7,6,5,7,1,5,6,8,3,2,0,4,2,6,3,4,7,5,0,1,8,8,5,0,1,3,6,4,7,2,1,7,4,8,2,0,3,5,6]}
-PUZZLE:
-_ 9 _  _ 7 _  _ _ _
-_ _ _  8 _ _  _ 5 _
-_ _ 7  4 _ _  _ 9 _
-
-_ 1 3  _ _ _  _ _ 2
-_ _ _  _ _ 2  8 7 _
-_ _ 6  _ 9 _  _ 1 _
-
-_ _ 4  _ _ 6  _ _ _
-9 _ 1  _ _ _  5 _ 3
-_ 8 _  _ _ _  _ _ _
-
-SOLUTION:
-6 9 8  1 7 5  2 3 4
-4 3 2  8 6 9  7 5 1
-1 5 7  4 2 3  6 9 8
-
-7 1 3  6 5 8  9 4 2
-5 4 9  3 1 2  8 7 6
-8 2 6  7 9 4  3 1 5
-
-3 7 4  5 8 6  1 2 9
-9 6 1  2 4 7  5 8 3
-2 8 5  9 3 1  4 6 7
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,1,null,8,null,3,null,null,0,null,3,null,null,2,null,4,7,null,null,null,null,null,null,6,1,null,null,null,null,null,2,null,null,0,6,null,0,null,null,null,null,null,2,null,null,null,null,4,null,null,1,null,null,null,null,7,null,6,null,null,null,null,null,null,null,5,null,null,null,null,null,7,8,null,null,null,4,null,5,null,null],"solution":[4,1,2,8,7,3,6,5,0,5,3,6,1,2,0,4,7,8,7,0,8,4,5,6,1,3,2,1,8,7,2,3,4,0,6,5,0,5,3,7,6,8,2,4,1,2,6,4,5,0,1,7,8,3,3,7,0,6,1,5,8,2,4,6,4,5,0,8,2,3,1,7,8,2,1,3,4,7,5,0,6]}
-PUZZLE:
-_ 2 _  9 _ 4  _ _ 1
-_ 4 _  _ 3 _  5 8 _
-_ _ _  _ _ 7  2 _ _
-
-_ _ _  3 _ _  1 7 _
-1 _ _  _ _ _  3 _ _
-_ _ 5  _ _ 2  _ _ _
-
-_ 8 _  7 _ _  _ _ _
-_ _ 6  _ _ _  _ _ 8
-9 _ _  _ 5 _  6 _ _
-
-SOLUTION:
-5 2 3  9 8 4  7 6 1
-6 4 7  2 3 1  5 8 9
-8 1 9  5 6 7  2 4 3
-
-2 9 8  3 4 5  1 7 6
-1 6 4  8 7 9  3 5 2
-3 7 5  6 1 2  8 9 4
-
-4 8 1  7 2 6  9 3 5
-7 5 6  1 9 3  4 2 8
-9 3 2  4 5 8  6 1 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,1,6,null,null,null,null,null,7,null,8,3,null,5,1,null,1,null,null,null,null,5,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,7,null,null,8,4,null,null,null,5,null,null,6,2,null,0,null,8,null,null,null,null,null,null,3,null,6,4,null,null,null,null,0,null,null,5,null,2,0,null,null,null],"solution":[5,8,3,1,6,7,4,0,2,4,7,0,8,3,2,5,1,6,1,6,2,0,4,5,8,3,7,6,3,4,2,0,8,1,7,5,2,5,1,3,7,6,0,8,4,8,0,7,5,1,4,6,2,3,0,4,8,7,5,3,2,6,1,3,2,6,4,8,1,7,5,0,7,1,5,6,2,0,3,4,8]}
-PUZZLE:
-_ _ _  2 7 _  _ _ _
-_ 8 _  9 4 _  6 2 _
-2 _ _  _ _ 6  _ _ _
-
-_ _ _  _ 1 _  _ _ _
-_ _ _  _ 8 _  _ 9 5
-_ _ _  6 _ _  7 3 _
-
-1 _ 9  _ _ _  _ _ _
-4 _ 7  5 _ _  _ _ 1
-_ _ 6  _ 3 1  _ _ _
-
-SOLUTION:
-6 9 4  2 7 8  5 1 3
-5 8 1  9 4 3  6 2 7
-2 7 3  1 5 6  9 4 8
-
-7 4 5  3 1 9  2 8 6
-3 6 2  4 8 7  1 9 5
-9 1 8  6 2 5  7 3 4
-
-1 5 9  8 6 4  3 7 2
-4 3 7  5 9 2  8 6 1
-8 2 6  7 3 1  4 5 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,7,2,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,0,5,null,null,null,null,2,null,3,1,null,null,null,null,2,null,null,null,6,null,null,null,1,null,null,7,null,null,null,null,null,null,null,8,null,5,null,null,4,null,7,null,null,null,0,null,null,8,null,null,null,3,null,null,null,null,null,0,null,1,5],"solution":[5,4,7,2,0,8,6,3,1,8,1,2,6,7,3,5,0,4,3,6,0,5,1,4,8,7,2,4,3,1,8,5,7,0,2,6,0,8,6,4,3,2,1,5,7,7,2,5,0,6,1,3,4,8,2,5,3,1,4,6,7,8,0,1,0,4,7,8,5,2,6,3,6,7,8,3,2,0,4,1,5]}
-PUZZLE:
-_ 5 8  3 _ _  _ _ _
-_ _ _  7 _ _  _ _ _
-_ _ 1  6 _ _  _ _ 3
-
-_ 4 2  _ _ _  _ 3 _
-_ _ 7  _ _ _  2 _ _
-8 _ _  _ _ _  _ _ 9
-
-_ 6 _  _ 5 _  8 _ _
-_ 1 _  _ 9 _  _ _ 4
-_ _ _  _ _ 1  _ 2 6
-
-SOLUTION:
-6 5 8  3 1 9  7 4 2
-9 2 3  7 8 4  6 1 5
-4 7 1  6 2 5  9 8 3
-
-5 4 2  9 6 8  1 3 7
-1 9 7  5 4 3  2 6 8
-8 3 6  1 7 2  4 5 9
-
-3 6 4  2 5 7  8 9 1
-2 1 5  8 9 6  3 7 4
-7 8 9  4 3 1  5 2 6
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,1,null,7,6,null,null,0,null,null,null,null,2,null,null,null,6,null,2,0,null,4,null,3,null,null,7,5,4,null,null,null,2,1,null,null,null,null,null,null,null,4,5,null,null,null,null,null,3,1,null,null,null,6,null,null,null,1,null,null,null,7,2,null,null,4,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null],"solution":[3,1,5,7,6,8,2,0,4,4,7,8,2,0,1,3,6,5,2,0,6,4,5,3,8,1,7,5,4,3,6,7,2,1,8,0,7,6,1,0,8,4,5,2,3,0,8,2,3,1,5,7,4,6,8,5,0,1,3,6,4,7,2,6,3,4,8,2,7,0,5,1,1,2,7,5,4,0,6,3,8]}
-PUZZLE:
-_ 2 _  8 7 _  _ 1 _
-_ _ _  3 _ _  _ 7 _
-3 1 _  5 _ 4  _ _ 8
-
-6 5 _  _ _ 3  2 _ _
-_ _ _  _ _ 5  6 _ _
-_ _ _  4 2 _  _ _ 7
-
-_ _ _  2 _ _  _ 8 3
-_ _ 5  _ _ _  _ _ _
-_ _ 8  _ _ _  _ _ _
-
-SOLUTION:
-4 2 6  8 7 9  3 1 5
-5 8 9  3 1 2  4 7 6
-3 1 7  5 6 4  9 2 8
-
-6 5 4  7 8 3  2 9 1
-8 7 2  1 9 5  6 3 4
-1 9 3  4 2 6  8 5 7
-
-9 6 1  2 4 7  5 8 3
-7 4 5  9 3 8  1 6 2
-2 3 8  6 5 1  7 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,0,null,7,null,4,null,null,null,null,null,1,null,null,null,null,null,null,1,4,null,null,null,0,null,null,null,7,null,2,5,null,null,8,5,6,null,null,null,8,null,3,null,null,8,null,null,null,null,null,null,2,null,0,null,null,null,4,null,null,null,8,5,null,null,null,null,null,null,3,null,null,null,null,null,null,7,8,null],"solution":[2,3,8,0,5,7,6,4,1,0,4,5,8,1,6,3,2,7,6,7,1,4,3,2,8,0,5,4,1,7,3,2,5,0,6,8,5,6,2,7,0,8,1,3,4,3,8,0,6,4,1,5,7,2,7,0,3,1,8,4,2,5,6,8,5,6,2,7,0,4,1,3,1,2,4,5,6,3,7,8,0]}
-PUZZLE:
-_ _ _  1 _ 8  _ 5 _
-_ _ _  _ 2 _  _ _ _
-_ _ 2  5 _ _  _ 1 _
-
-_ _ 8  _ 3 6  _ _ 9
-6 7 _  _ _ 9  _ 4 _
-_ 9 _  _ _ _  _ _ 3
-
-_ 1 _  _ _ 5  _ _ _
-9 6 _  _ _ _  _ _ 4
-_ _ _  _ _ _  8 9 _
-
-SOLUTION:
-3 4 9  1 6 8  7 5 2
-1 5 6  9 2 7  4 3 8
-7 8 2  5 4 3  9 1 6
-
-5 2 8  4 3 6  1 7 9
-6 7 3  8 1 9  2 4 5
-4 9 1  7 5 2  6 8 3
-
-8 1 4  2 9 5  3 6 7
-9 6 7  3 8 1  5 2 4
-2 3 5  6 7 4  8 9 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,4,null,null,null,1,null,7,null,null,null,null,1,null,null,2,null,2,0,null,null,null,5,null,8,null,7,null,2,null,null,null,null,6,null,null,4,null,3,null,null,null,7,null,null,3,null,null,null,null,0,null,6,0,null,null,null,2,null,null,null,null,8,null,null,null,5,null,null,null,null,null,2,1,6,null,null,null,null],"solution":[5,3,6,4,2,8,7,1,0,7,4,8,5,0,1,3,6,2,1,2,0,6,7,3,5,4,8,0,7,5,2,1,4,8,3,6,2,6,4,8,3,0,1,5,7,8,1,3,7,5,6,2,0,4,6,0,1,3,8,2,4,7,5,3,8,7,0,4,5,6,2,1,4,5,2,1,6,7,0,8,3]}
-PUZZLE:
-_ _ _  5 _ _  _ 2 _
-8 _ _  _ _ 2  _ _ 3
-_ 3 1  _ _ _  6 _ 9
-
-_ 8 _  3 _ _  _ _ 7
-_ _ 5  _ 4 _  _ _ 8
-_ _ 4  _ _ _  _ 1 _
-
-7 1 _  _ _ 3  _ _ _
-_ 9 _  _ _ 6  _ _ _
-_ _ 3  2 7 _  _ _ _
-
-SOLUTION:
-6 4 7  5 3 9  8 2 1
-8 5 9  6 1 2  4 7 3
-2 3 1  7 8 4  6 5 9
-
-1 8 6  3 2 5  9 4 7
-3 7 5  9 4 1  2 6 8
-9 2 4  8 6 7  3 1 5
-
-7 1 2  4 9 3  5 8 6
-4 9 8  1 5 6  7 3 2
-5 6 3  2 7 8  1 9 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,null,0,null,null,null,null,5,6,null,4,null,6,null,null,null,null,3,null,null,null,null,7,0,null,null,1,null,3,6,null,1,null,null,null,null,null,null,3,0,null,null,7,null,5,null,null,null,null,null,null,null,null,null,8,1,2,null,null,null,4,8,null,null,null,1,null,null,6,null,null,null,5,null],"solution":[4,1,3,7,2,6,8,0,5,0,7,2,3,8,5,6,1,4,8,6,5,4,1,0,3,7,2,5,8,7,0,6,4,1,2,3,6,2,1,8,5,3,0,4,7,3,0,4,2,7,1,5,6,8,7,3,6,5,0,2,4,8,1,2,5,0,1,4,8,7,3,6,1,4,8,6,3,7,2,5,0]}
-PUZZLE:
-_ _ _  _ 3 _  _ _ _
-1 _ _  _ _ 6  7 _ 5
-_ 7 _  _ _ _  4 _ _
-
-_ _ 8  1 _ _  2 _ 4
-7 _ 2  _ _ _  _ _ _
-4 1 _  _ 8 _  6 _ _
-
-_ _ _  _ _ _  _ 9 2
-3 _ _  _ 5 9  _ _ _
-2 _ _  7 _ _  _ 6 _
-
-SOLUTION:
-5 2 4  8 3 7  9 1 6
-1 8 3  4 9 6  7 2 5
-9 7 6  5 2 1  4 8 3
-
-6 9 8  1 7 5  2 3 4
-7 3 2  9 6 4  1 5 8
-4 1 5  3 8 2  6 7 9
-
-8 4 7  6 1 3  5 9 2
-3 6 1  2 5 9  8 4 7
-2 5 9  7 4 8  3 6 1
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,1,null,null,null,null,5,null,null,null,8,7,4,null,7,null,null,null,5,null,null,null,null,null,null,8,4,6,null,null,null,3,null,null,null,null,7,null,null,null,null,null,0,null,null,null,null,null,0,2,null,4,null,5,null,null,1,null,null,6,2,0,null,null,null,null,null,null,5,8,null,null,null,null,4],"solution":[5,6,0,7,4,8,2,1,3,2,1,3,5,6,0,4,8,7,4,8,7,1,3,2,5,0,6,7,0,1,3,8,4,6,5,2,8,3,2,6,5,1,7,4,0,6,5,4,0,2,7,1,3,8,0,2,8,4,7,5,3,6,1,1,4,6,2,0,3,8,7,5,3,7,5,8,1,6,0,2,4]}
-PUZZLE:
-_ 7 _  _ _ _  _ 2 _
-_ _ _  6 _ _  _ 9 8
-5 _ 8  _ _ _  6 _ _
-
-_ _ _  _ 9 5  7 _ _
-_ 4 _  _ _ _  8 _ _
-_ _ _  1 _ _  _ _ _
-
-1 3 _  5 _ 6  _ _ 2
-_ _ 7  3 1 _  _ _ _
-_ _ 6  9 _ _  _ _ 5
-
-SOLUTION:
-6 7 1  8 5 9  3 2 4
-3 2 4  6 7 1  5 9 8
-5 9 8  2 4 3  6 1 7
-
-8 1 2  4 9 5  7 6 3
-9 4 3  7 6 2  8 5 1
-7 6 5  1 3 8  2 4 9
-
-1 3 9  5 8 6  4 7 2
-2 5 7  3 1 4  9 8 6
-4 8 6  9 2 7  1 3 5
-
-RATING: 5.5
-DATA:
-{"puzzle":[4,7,null,3,2,null,5,null,null,null,2,null,null,null,null,null,0,7,null,null,null,5,0,null,null,null,null,7,null,null,null,null,null,null,null,5,null,null,2,null,6,null,7,null,null,0,null,null,null,null,1,null,8,null,null,null,3,1,null,null,null,6,4,null,8,null,null,3,null,null,null,null,null,null,null,null,null,8,null,null,null],"solution":[4,7,0,3,2,6,5,1,8,5,2,6,8,1,4,3,0,7,3,1,8,5,0,7,4,2,6,7,6,1,2,8,3,0,4,5,8,4,2,0,6,5,7,3,1,0,3,5,7,4,1,6,8,2,2,5,3,1,7,0,8,6,4,6,8,7,4,3,2,1,5,0,1,0,4,6,5,8,2,7,3]}
-PUZZLE:
-5 8 _  4 3 _  6 _ _
-_ 3 _  _ _ _  _ 1 8
-_ _ _  6 1 _  _ _ _
-
-8 _ _  _ _ _  _ _ 6
-_ _ 3  _ 7 _  8 _ _
-1 _ _  _ _ 2  _ 9 _
-
-_ _ 4  2 _ _  _ 7 5
-_ 9 _  _ 4 _  _ _ _
-_ _ _  _ _ 9  _ _ _
-
-SOLUTION:
-5 8 1  4 3 7  6 2 9
-6 3 7  9 2 5  4 1 8
-4 2 9  6 1 8  5 3 7
-
-8 7 2  3 9 4  1 5 6
-9 5 3  1 7 6  8 4 2
-1 4 6  8 5 2  7 9 3
-
-3 6 4  2 8 1  9 7 5
-7 9 8  5 4 3  2 6 1
-2 1 5  7 6 9  3 8 4
-
-RATING: 2.5
-DATA:
-{"puzzle":[4,6,null,null,null,null,3,null,null,null,null,null,6,4,null,7,5,null,7,null,null,0,null,2,null,null,null,null,null,8,4,null,null,null,null,0,1,null,0,null,8,null,6,null,null,6,null,null,null,null,5,null,1,8,null,null,null,8,2,null,null,null,null,8,null,7,null,5,0,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[4,6,2,5,7,8,3,0,1,0,8,3,6,4,1,7,5,2,7,1,5,0,3,2,8,6,4,3,2,8,4,1,6,5,7,0,1,5,0,2,8,7,6,4,3,6,7,4,3,0,5,2,1,8,5,0,6,8,2,4,1,3,7,8,3,7,1,5,0,4,2,6,2,4,1,7,6,3,0,8,5]}
-PUZZLE:
-5 7 _  _ _ _  4 _ _
-_ _ _  7 5 _  8 6 _
-8 _ _  1 _ 3  _ _ _
-
-_ _ 9  5 _ _  _ _ 1
-2 _ 1  _ 9 _  7 _ _
-7 _ _  _ _ 6  _ 2 9
-
-_ _ _  9 3 _  _ _ _
-9 _ 8  _ 6 1  _ _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-5 7 3  6 8 9  4 1 2
-1 9 4  7 5 2  8 6 3
-8 2 6  1 4 3  9 7 5
-
-4 3 9  5 2 7  6 8 1
-2 6 1  3 9 8  7 5 4
-7 8 5  4 1 6  3 2 9
-
-6 1 7  9 3 5  2 4 8
-9 4 8  2 6 1  5 3 7
-3 5 2  8 7 4  1 9 6
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,6,null,null,null,1,null,null,null,null,null,null,null,null,null,null,0,null,null,null,5,7,null,null,null,null,6,7,0,null,4,null,null,null,null,8,3,null,null,2,null,5,7,null,null,1,null,null,null,null,null,null,null,null,null,null,4,null,null,null,5,3,null,8,null,null,null,null,null,1,null,null,null,null,null,null,6,null,null,null,7],"solution":[0,6,3,8,4,1,2,7,5,4,8,7,6,5,2,3,0,1,2,1,5,7,3,0,8,4,6,7,0,2,4,1,3,6,5,8,3,4,6,2,8,5,7,1,0,1,5,8,0,7,6,4,2,3,6,7,4,1,0,8,5,3,2,8,3,0,5,2,7,1,6,4,5,2,1,3,6,4,0,8,7]}
-PUZZLE:
-_ 7 _  _ _ 2  _ _ _
-_ _ _  _ _ _  _ 1 _
-_ _ 6  8 _ _  _ _ 7
-
-8 1 _  5 _ _  _ _ 9
-4 _ _  3 _ 6  8 _ _
-2 _ _  _ _ _  _ _ _
-
-_ _ 5  _ _ _  6 4 _
-9 _ _  _ _ _  2 _ _
-_ _ _  _ 7 _  _ _ 8
-
-SOLUTION:
-1 7 4  9 5 2  3 8 6
-5 9 8  7 6 3  4 1 2
-3 2 6  8 4 1  9 5 7
-
-8 1 3  5 2 4  7 6 9
-4 5 7  3 9 6  8 2 1
-2 6 9  1 8 7  5 3 4
-
-7 8 5  2 1 9  6 4 3
-9 4 1  6 3 8  2 7 5
-6 3 2  4 7 5  1 9 8
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,4,null,null,null,1,null,null,null,0,null,5,null,null,6,null,4,null,2,null,null,null,null,null,7,null,null,1,null,null,null,null,null,3,7,null,null,null,null,null,1,5,null,8,5,null,null,2,7,null,null,1,null,null,null,7,null,null,null,null,null,null,0,null,2,8,null,4,null,null,null,8,null,null,null,null,0,null,null,null],"solution":[3,8,4,0,6,7,1,2,5,7,0,1,5,3,2,6,8,4,6,2,5,1,4,8,0,7,3,4,1,0,6,8,5,2,3,7,2,7,3,4,0,1,5,6,8,5,6,8,2,7,3,4,1,0,1,4,7,3,5,6,8,0,2,0,3,2,8,1,4,7,5,6,8,5,6,7,2,0,3,4,1]}
-PUZZLE:
-4 _ 5  _ _ _  2 _ _
-_ 1 _  6 _ _  7 _ 5
-_ 3 _  _ _ _  _ 8 _
-
-_ 2 _  _ _ _  _ 4 8
-_ _ _  _ _ 2  6 _ 9
-6 _ _  3 8 _  _ 2 _
-
-_ _ 8  _ _ _  _ _ _
-1 _ 3  9 _ 5  _ _ _
-9 _ _  _ _ 1  _ _ _
-
-SOLUTION:
-4 9 5  1 7 8  2 3 6
-8 1 2  6 4 3  7 9 5
-7 3 6  2 5 9  1 8 4
-
-5 2 1  7 9 6  3 4 8
-3 8 4  5 1 2  6 7 9
-6 7 9  3 8 4  5 2 1
-
-2 5 8  4 6 7  9 1 3
-1 4 3  9 2 5  8 6 7
-9 6 7  8 3 1  4 5 2
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,0,1,3,4,null,null,4,null,null,null,7,0,null,null,null,null,null,null,3,null,null,null,null,0,5,null,7,8,null,6,null,null,null,8,null,null,null,null,null,null,3,null,6,null,null,null,null,8,1,null,null,null,7,8,null,null,null,null,1,null,null,5,null,6,null,null,null,null,null,null,null,null,null,5,null,null,0],"solution":[8,7,6,5,0,1,3,4,2,1,4,3,6,2,7,0,8,5,5,2,0,4,3,8,1,7,6,0,5,1,7,8,3,6,2,4,7,8,4,2,1,6,5,0,3,3,6,2,0,5,4,8,1,7,6,3,7,8,4,0,2,5,1,4,0,5,1,6,2,7,3,8,2,1,8,3,7,5,4,6,0]}
-PUZZLE:
-_ _ _  _ 1 2  4 5 _
-_ 5 _  _ _ 8  1 _ _
-_ _ _  _ 4 _  _ _ _
-
-1 6 _  8 9 _  7 _ _
-_ 9 _  _ _ _  _ _ 4
-_ 7 _  _ _ _  9 2 _
-
-_ _ 8  9 _ _  _ _ 2
-_ _ 6  _ 7 _  _ _ _
-_ _ _  _ _ 6  _ _ 1
-
-SOLUTION:
-9 8 7  6 1 2  4 5 3
-2 5 4  7 3 8  1 9 6
-6 3 1  5 4 9  2 8 7
-
-1 6 2  8 9 4  7 3 5
-8 9 5  3 2 7  6 1 4
-4 7 3  1 6 5  9 2 8
-
-7 4 8  9 5 1  3 6 2
-5 1 6  2 7 3  8 4 9
-3 2 9  4 8 6  5 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,8,0,null,null,null,null,null,null,8,2,3,null,null,null,6,3,null,null,null,null,null,7,null,null,null,null,null,0,null,2,null,5,null,null,null,null,null,1,5,8,null,null,null,null,2,null,null,6,3,null,null,null,2,null,null,null,null,null,null,null,1,3,null,null,7,null,null,6,null,null,0,null,null,null,null,4,7,null],"solution":[2,6,1,8,0,7,5,4,3,7,5,8,2,3,4,0,1,6,3,4,0,6,5,1,7,8,2,4,1,3,0,8,2,6,5,7,0,7,6,3,1,5,8,2,4,5,8,2,7,4,6,3,0,1,8,2,7,4,6,0,1,3,5,1,3,4,5,7,8,2,6,0,6,0,5,1,2,3,4,7,8]}
-PUZZLE:
-_ _ _  9 1 _  _ _ _
-_ _ 9  3 4 _  _ _ 7
-4 _ _  _ _ _  8 _ _
-
-_ _ _  1 _ 3  _ 6 _
-_ _ _  _ 2 6  9 _ _
-_ _ 3  _ _ 7  4 _ _
-
-_ 3 _  _ _ _  _ _ _
-2 4 _  _ 8 _  _ 7 _
-_ 1 _  _ _ _  5 8 _
-
-SOLUTION:
-3 7 2  9 1 8  6 5 4
-8 6 9  3 4 5  1 2 7
-4 5 1  7 6 2  8 9 3
-
-5 2 4  1 9 3  7 6 8
-1 8 7  4 2 6  9 3 5
-6 9 3  8 5 7  4 1 2
-
-9 3 8  5 7 1  2 4 6
-2 4 5  6 8 9  3 7 1
-7 1 6  2 3 4  5 8 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,3,null,6,null,7,null,null,null,null,2,null,null,null,null,4,1,null,0,null,null,null,null,null,null,null,null,4,0,6,null,8,null,null,null,null,null,null,null,null,2,null,null,null,3,null,null,1,null,null,5,6,0,null,8,null,null,null,null,null,5,7,null,null,null,null,null,null,2,null,4,null,7,null,null],"solution":[1,4,0,7,2,5,6,3,8,6,5,7,8,3,0,1,2,4,2,3,8,4,1,6,0,5,7,5,1,3,2,8,7,4,0,6,0,8,6,1,5,4,3,7,2,7,2,4,0,6,3,5,8,1,4,7,5,6,0,2,8,1,3,3,6,1,5,7,8,2,4,0,8,0,2,3,4,1,7,6,5]}
-PUZZLE:
-_ _ _  _ _ _  _ 4 _
-7 _ 8  _ _ _  _ 3 _
-_ _ _  5 2 _  1 _ _
-
-_ _ _  _ _ _  5 1 7
-_ 9 _  _ _ _  _ _ _
-_ 3 _  _ _ 4  _ _ 2
-
-_ _ 6  7 1 _  9 _ _
-_ _ _  6 8 _  _ _ _
-_ _ 3  _ 5 _  8 _ _
-
-SOLUTION:
-2 5 1  8 3 6  7 4 9
-7 6 8  9 4 1  2 3 5
-3 4 9  5 2 7  1 6 8
-
-6 2 4  3 9 8  5 1 7
-1 9 7  2 6 5  4 8 3
-8 3 5  1 7 4  6 9 2
-
-5 8 6  7 1 3  9 2 4
-4 7 2  6 8 9  3 5 1
-9 1 3  4 5 2  8 7 6
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,3,null,null,4,0,null,5,7,5,null,null,3,null,null,null,null,null,null,null,null,null,1,null,null,null,4,null,1,null,null,6,null,null,null,3,3,null,null,2,null,null,8,4,null,null,null,null,null,null,null,null,null,2,7,null,null,6,2,null,null,null,null,null,null,0,null,null,8,null,6,1,null,null,null,null,null,null,7,null,null],"solution":[1,3,6,8,4,0,2,5,7,5,2,4,3,7,6,0,1,8,0,7,8,5,1,2,6,3,4,8,1,2,4,6,7,5,0,3,3,0,7,2,5,1,8,4,6,4,6,5,0,8,3,1,7,2,7,4,1,6,2,5,3,8,0,2,5,0,7,3,8,4,6,1,6,8,3,1,0,4,7,2,5]}
-PUZZLE:
-_ 4 _  _ 5 1  _ 6 8
-6 _ _  4 _ _  _ _ _
-_ _ _  _ 2 _  _ _ 5
-
-_ 2 _  _ 7 _  _ _ 4
-4 _ _  3 _ _  9 5 _
-_ _ _  _ _ _  _ _ 3
-
-8 _ _  7 3 _  _ _ _
-_ _ 1  _ _ 9  _ 7 2
-_ _ _  _ _ _  8 _ _
-
-SOLUTION:
-2 4 7  9 5 1  3 6 8
-6 3 5  4 8 7  1 2 9
-1 8 9  6 2 3  7 4 5
-
-9 2 3  5 7 8  6 1 4
-4 1 8  3 6 2  9 5 7
-5 7 6  1 9 4  2 8 3
-
-8 5 2  7 3 6  4 9 1
-3 6 1  8 4 9  5 7 2
-7 9 4  2 1 5  8 3 6
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,null,null,null,null,8,null,null,null,null,1,0,7,null,5,null,null,null,null,null,null,null,null,null,2,7,null,8,null,6,null,4,null,0,null,1,null,null,null,null,0,null,null,8,null,null,null,null,null,null,7,null,null,3,7,2,null,null,null,1,null,4,null,null,null,4,null,null,0,null,null,4,null,null,null,null,6,null,null,null],"solution":[5,4,7,3,6,2,8,1,0,2,6,1,0,7,8,5,4,3,8,3,0,5,4,1,6,2,7,7,8,3,6,5,4,2,0,1,1,5,6,7,2,0,4,3,8,0,2,4,1,8,3,7,5,6,3,7,2,8,0,5,1,6,4,6,1,5,4,3,7,0,8,2,4,0,8,2,1,6,3,7,5]}
-PUZZLE:
-6 _ _  _ _ _  9 _ _
-_ _ 2  1 8 _  6 _ _
-_ _ _  _ _ _  _ 3 8
-
-_ 9 _  7 _ 5  _ 1 _
-2 _ _  _ _ 1  _ _ 9
-_ _ _  _ _ _  8 _ _
-
-4 8 3  _ _ _  2 _ 5
-_ _ _  5 _ _  1 _ _
-5 _ _  _ _ 7  _ _ _
-
-SOLUTION:
-6 5 8  4 7 3  9 2 1
-3 7 2  1 8 9  6 5 4
-9 4 1  6 5 2  7 3 8
-
-8 9 4  7 6 5  3 1 2
-2 6 7  8 3 1  5 4 9
-1 3 5  2 9 4  8 6 7
-
-4 8 3  9 1 6  2 7 5
-7 2 6  5 4 8  1 9 3
-5 1 9  3 2 7  4 8 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,0,6,7,5,null,null,2,null,1,null,3,null,0,null,6,null,null,8,null,null,null,1,null,null,null,null,null,null,2,null,null,null,null,null,null,5,8,null,0,7,7,null,null,null,null,6,null,null,3,null,null,null,4,null,null,null,null,null,2,null,null,5,0,null,null,4,null,3,null,null,null,null,null,null,null,null],"solution":[4,8,1,3,2,0,6,7,5,5,7,2,6,1,4,3,8,0,0,6,3,7,8,5,4,2,1,1,5,8,0,3,7,2,6,4,6,3,4,2,5,8,1,0,7,7,2,0,1,4,6,8,5,3,8,0,7,4,6,1,5,3,2,2,1,6,5,0,3,7,4,8,3,4,5,8,7,2,0,1,6]}
-PUZZLE:
-_ _ _  _ _ 1  7 8 6
-_ _ 3  _ 2 _  4 _ 1
-_ 7 _  _ 9 _  _ _ 2
-
-_ _ _  _ _ _  3 _ _
-_ _ _  _ 6 9  _ 1 8
-8 _ _  _ _ 7  _ _ 4
-
-_ _ _  5 _ _  _ _ _
-3 _ _  6 1 _  _ 5 _
-4 _ _  _ _ _  _ _ _
-
-SOLUTION:
-5 9 2  4 3 1  7 8 6
-6 8 3  7 2 5  4 9 1
-1 7 4  8 9 6  5 3 2
-
-2 6 9  1 4 8  3 7 5
-7 4 5  3 6 9  2 1 8
-8 3 1  2 5 7  9 6 4
-
-9 1 8  5 7 2  6 4 3
-3 2 7  6 1 4  8 5 9
-4 5 6  9 8 3  1 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,3,null,null,null,null,2,4,null,null,null,1,null,0,5,null,null,null,null,null,null,null,2,7,null,3,null,null,1,7,null,null,null,7,null,6,null,null,5,null,null,null,8,5,null,null,null,null,null,null,3,5,null,null,null,8,null,0,null,null,null,7,null,null,null,6,null,null,1,null,6,8,null,null,null,null,null,null],"solution":[0,8,7,5,3,2,1,6,4,2,4,3,7,6,1,8,0,5,6,1,5,4,0,8,3,2,7,4,3,2,8,1,7,6,5,0,7,0,6,3,4,5,2,1,8,8,5,1,6,2,0,7,4,3,5,2,4,1,8,3,0,7,6,3,7,0,2,5,6,4,8,1,1,6,8,0,7,4,5,3,2]}
-PUZZLE:
-_ _ _  _ 4 _  _ _ _
-3 5 _  _ _ 2  _ 1 6
-_ _ _  _ _ _  _ 3 8
-
-_ 4 _  _ 2 8  _ _ _
-8 _ 7  _ _ 6  _ _ _
-9 6 _  _ _ _  _ _ 4
-
-6 _ _  _ 9 _  1 _ _
-_ 8 _  _ _ 7  _ _ 2
-_ 7 9  _ _ _  _ _ _
-
-SOLUTION:
-1 9 8  6 4 3  2 7 5
-3 5 4  8 7 2  9 1 6
-7 2 6  5 1 9  4 3 8
-
-5 4 3  9 2 8  7 6 1
-8 1 7  4 5 6  3 2 9
-9 6 2  7 3 1  8 5 4
-
-6 3 5  2 9 4  1 8 7
-4 8 1  3 6 7  5 9 2
-2 7 9  1 8 5  6 4 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,null,null,null,null,null,null,6,null,4,null,null,null,null,null,3,null,null,null,6,1,5,null,3,null,0,4,null,null,null,null,2,null,null,null,null,null,null,null,null,null,6,null,2,0,1,null,null,null,0,null,null,1,6,null,2,8,null,null,5,null,null,null,null,null,null,2,null,null,null,null,1,5,null],"solution":[6,1,5,4,8,7,2,3,0,7,8,3,2,0,6,5,4,1,2,0,4,1,3,5,8,7,6,1,5,6,3,7,0,4,2,8,0,7,2,8,1,4,3,6,5,3,4,8,6,5,2,0,1,7,5,3,0,7,4,1,6,8,2,8,6,1,5,2,3,7,0,4,4,2,7,0,6,8,1,5,3]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ _
-_ _ _  _ _ 7  _ 5 _
-_ _ _  _ 4 _  _ _ 7
-
-2 6 _  4 _ 1  5 _ _
-_ _ 3  _ _ _  _ _ _
-_ _ _  7 _ 3  1 2 _
-
-_ _ 1  _ _ 2  7 _ 3
-9 _ _  6 _ _  _ _ _
-_ 3 _  _ _ _  2 6 _
-
-SOLUTION:
-7 2 6  5 9 8  3 4 1
-8 9 4  3 1 7  6 5 2
-3 1 5  2 4 6  9 8 7
-
-2 6 7  4 8 1  5 3 9
-1 8 3  9 2 5  4 7 6
-4 5 9  7 6 3  1 2 8
-
-6 4 1  8 5 2  7 9 3
-9 7 2  6 3 4  8 1 5
-5 3 8  1 7 9  2 6 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,8,null,1,null,5,7,2,null,null,null,null,null,null,null,null,null,3,null,0,null,null,null,2,null,3,null,null,null,7,null,6,0,null,null,null,0,null,null,4,null,null,5,null,null,null,1,null,6,2,null,null,1,null,2,null,null,null,null,null,null,7,null,null,null,null,5,null,null,null,5,null,null,6,8,null,null,null,null],"solution":[0,6,4,8,2,1,3,5,7,2,1,7,4,5,3,0,6,8,8,3,5,0,6,7,4,2,1,3,2,1,5,7,8,6,0,4,6,7,0,2,3,4,1,8,5,4,5,8,1,0,6,2,7,3,1,8,2,7,4,0,5,3,6,7,0,6,3,1,5,8,4,2,5,4,3,6,8,2,7,1,0]}
-PUZZLE:
-_ _ _  9 _ 2  _ 6 8
-3 _ _  _ _ _  _ _ _
-_ 4 _  1 _ _  _ 3 _
-
-4 _ _  _ 8 _  7 1 _
-_ _ 1  _ _ 5  _ _ 6
-_ _ _  2 _ 7  3 _ _
-
-2 _ 3  _ _ _  _ _ _
-8 _ _  _ _ 6  _ _ _
-6 _ _  7 9 _  _ _ _
-
-SOLUTION:
-1 7 5  9 3 2  4 6 8
-3 2 8  5 6 4  1 7 9
-9 4 6  1 7 8  5 3 2
-
-4 3 2  6 8 9  7 1 5
-7 8 1  3 4 5  2 9 6
-5 6 9  2 1 7  3 8 4
-
-2 9 3  8 5 1  6 4 7
-8 1 7  4 2 6  9 5 3
-6 5 4  7 9 3  8 2 1
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,5,null,2,1,null,null,7,null,null,null,null,null,null,null,null,null,null,5,1,null,4,null,8,null,null,5,6,null,null,null,8,null,null,8,3,null,null,null,null,5,2,null,null,null,null,6,null,null,null,7,4,null,null,1,null,null,7,null,null,null,null,null,4,null,null,null,2,null,null,3,null,null,null,8,null,null,1,null],"solution":[6,4,8,5,7,2,1,3,0,7,1,3,8,0,6,4,5,2,2,0,5,1,3,4,6,8,7,4,5,6,7,2,3,8,0,1,8,3,7,0,4,1,5,2,6,1,2,0,6,5,8,3,7,4,5,8,1,2,6,7,0,4,3,0,7,4,3,1,5,2,6,8,3,6,2,4,8,0,7,1,5]}
-PUZZLE:
-_ _ _  6 _ 3  2 _ _
-8 _ _  _ _ _  _ _ _
-_ _ 6  2 _ 5  _ 9 _
-
-_ 6 7  _ _ _  9 _ _
-9 4 _  _ _ _  6 3 _
-_ _ _  7 _ _  _ 8 5
-
-_ _ 2  _ _ 8  _ _ _
-_ _ 5  _ _ _  3 _ _
-4 _ _  _ 9 _  _ 2 _
-
-SOLUTION:
-7 5 9  6 8 3  2 4 1
-8 2 4  9 1 7  5 6 3
-3 1 6  2 4 5  7 9 8
-
-5 6 7  8 3 4  9 1 2
-9 4 8  1 5 2  6 3 7
-2 3 1  7 6 9  4 8 5
-
-6 9 2  3 7 8  1 5 4
-1 8 5  4 2 6  3 7 9
-4 7 3  5 9 1  8 2 6
-
-RATING: 0
-DATA:
-{"puzzle":[3,7,null,null,5,null,4,null,null,null,null,null,0,3,6,null,null,null,1,null,8,null,null,null,null,null,null,null,0,null,5,null,1,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,2,null,null,6,3,null,null,null,2,null,null,null,null,null,7,2,null,null,null,null,null,null,5,8,null,null,null,null,null,null,7,null],"solution":[3,7,0,1,5,8,4,2,6,4,5,2,0,3,6,7,1,8,1,6,8,7,4,2,3,5,0,6,0,3,5,8,1,2,4,7,2,4,7,3,6,0,5,8,1,5,8,1,4,2,7,0,6,3,0,1,6,2,7,5,8,3,4,7,2,4,8,1,3,6,0,5,8,3,5,6,0,4,1,7,2]}
-PUZZLE:
-4 8 _  _ 6 _  5 _ _
-_ _ _  1 4 7  _ _ _
-2 _ 9  _ _ _  _ _ _
-
-_ 1 _  6 _ 2  _ _ _
-_ _ _  _ _ _  _ 9 _
-_ _ _  _ 3 _  _ 7 4
-
-_ _ _  3 _ _  _ _ _
-8 3 _  _ _ _  _ _ 6
-9 _ _  _ _ _  _ 8 _
-
-SOLUTION:
-4 8 1  2 6 9  5 3 7
-5 6 3  1 4 7  8 2 9
-2 7 9  8 5 3  4 6 1
-
-7 1 4  6 9 2  3 5 8
-3 5 8  4 7 1  6 9 2
-6 9 2  5 3 8  1 7 4
-
-1 2 7  3 8 6  9 4 5
-8 3 5  9 2 4  7 1 6
-9 4 6  7 1 5  2 8 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,0,null,null,3,null,4,null,null,null,null,8,2,null,null,null,null,6,7,null,null,4,null,null,null,1,null,2,null,null,null,null,null,null,5,null,null,null,null,null,6,7,8,null,null,null,null,5,null,null,null,null,null,4,null,8,null,null,null,null,6,null,3,null,null,null,null,null,null,null,null,null,null,null,1,0,null,null,7,3],"solution":[1,8,0,6,7,3,5,4,2,5,3,4,8,2,1,6,0,7,6,7,2,0,4,5,8,3,1,8,2,6,7,3,4,0,1,5,0,5,3,2,1,6,7,8,4,7,4,1,5,8,0,3,2,6,4,1,8,3,5,7,2,6,0,3,0,7,4,6,2,1,5,8,2,6,5,1,0,8,4,7,3]}
-PUZZLE:
-_ _ 1  _ _ 4  _ 5 _
-_ _ _  9 3 _  _ _ _
-7 8 _  _ 5 _  _ _ 2
-
-_ 3 _  _ _ _  _ _ 6
-_ _ _  _ _ 7  8 9 _
-_ _ _  6 _ _  _ _ _
-
-5 _ 9  _ _ _  _ 7 _
-4 _ _  _ _ _  _ _ _
-_ _ _  2 1 _  _ 8 4
-
-SOLUTION:
-2 9 1  7 8 4  6 5 3
-6 4 5  9 3 2  7 1 8
-7 8 3  1 5 6  9 4 2
-
-9 3 7  8 4 5  1 2 6
-1 6 4  3 2 7  8 9 5
-8 5 2  6 9 1  4 3 7
-
-5 2 9  4 6 8  3 7 1
-4 1 8  5 7 3  2 6 9
-3 7 6  2 1 9  5 8 4
-
-RATING: 3
-DATA:
-{"puzzle":[6,null,null,null,0,null,4,null,2,2,null,7,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,5,6,3,null,null,0,null,null,null,null,null,null,2,0,null,null,8,null,null,null,null,7,null,6,null,null,null,null,null,null,null,3,1,8,null,null,7,3,null,null,8,null,null,null],"solution":[6,8,5,7,0,1,4,3,2,2,4,7,8,3,6,5,1,0,3,0,1,5,4,2,8,7,6,0,3,2,4,8,5,7,6,1,8,5,6,3,1,7,0,2,4,7,1,4,6,2,0,3,5,8,5,2,8,1,7,4,6,0,3,4,6,0,2,5,3,1,8,7,1,7,3,0,6,8,2,4,5]}
-PUZZLE:
-7 _ _  _ 1 _  5 _ 3
-3 _ 8  _ _ _  _ _ _
-_ _ _  6 _ _  _ _ _
-
-_ 4 _  _ _ _  _ _ _
-_ 6 7  4 _ _  1 _ _
-_ _ _  _ 3 1  _ _ 9
-
-_ _ _  _ 8 _  7 _ _
-_ _ _  _ _ 4  2 9 _
-_ 8 4  _ _ 9  _ _ _
-
-SOLUTION:
-7 9 6  8 1 2  5 4 3
-3 5 8  9 4 7  6 2 1
-4 1 2  6 5 3  9 8 7
-
-1 4 3  5 9 6  8 7 2
-9 6 7  4 2 8  1 3 5
-8 2 5  7 3 1  4 6 9
-
-6 3 9  2 8 5  7 1 4
-5 7 1  3 6 4  2 9 8
-2 8 4  1 7 9  3 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,6,null,null,null,1,null,null,0,2,null,null,5,4,null,null,null,null,null,null,null,1,null,null,2,7,4,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,3,4,null,null,null,null,null,null,null,0,null,null,null,1,4,null,null,null,null,null,2,null,null,null,7,3,null,7,8,null,null,null,6,null,null],"solution":[7,4,5,3,1,6,8,0,2,1,6,3,0,2,8,7,5,4,2,8,0,7,4,5,3,1,6,5,2,7,4,6,0,1,3,8,0,1,6,8,3,2,5,4,7,8,3,4,1,5,7,2,6,0,3,0,2,6,7,1,4,8,5,6,5,1,2,8,4,0,7,3,4,7,8,5,0,3,6,2,1]}
-PUZZLE:
-_ _ _  4 _ 7  _ _ _
-2 _ _  1 3 _  _ 6 5
-_ _ _  _ _ _  _ 2 _
-
-_ 3 8  5 _ _  _ _ _
-_ _ _  9 _ _  _ _ _
-_ 4 5  _ _ _  _ _ _
-
-_ 1 _  _ _ 2  5 _ _
-_ _ _  3 _ _  _ 8 4
-_ 8 9  _ _ _  7 _ _
-
-SOLUTION:
-8 5 6  4 2 7  9 1 3
-2 7 4  1 3 9  8 6 5
-3 9 1  8 5 6  4 2 7
-
-6 3 8  5 7 1  2 4 9
-1 2 7  9 4 3  6 5 8
-9 4 5  2 6 8  3 7 1
-
-4 1 3  7 8 2  5 9 6
-7 6 2  3 9 5  1 8 4
-5 8 9  6 1 4  7 3 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,7,2,null,null,null,null,null,5,8,null,null,7,8,null,4,null,null,null,null,1,null,null,null,8,0,null,null,4,null,null,null,null,3,null,null,6,null,null,null,5,3,null,null,null,null,null,null,null,null,2,null,null,null,4,null,7,3,null,null,null,7,0,null,null,null,null,null,5,null,null,null,null,null,null],"solution":[5,1,4,0,6,8,3,7,2,2,3,0,7,1,5,8,6,4,7,8,6,4,2,3,0,5,1,1,6,7,8,0,2,5,4,3,4,2,8,3,5,7,6,1,0,0,5,3,1,4,6,7,2,8,6,0,2,5,8,1,4,3,7,3,4,1,6,7,0,2,8,5,8,7,5,2,3,4,1,0,6]}
-PUZZLE:
-_ _ 5  _ _ _  _ 8 3
-_ _ _  _ _ 6  9 _ _
-8 9 _  5 _ _  _ _ 2
-
-_ _ _  9 1 _  _ 5 _
-_ _ _  4 _ _  7 _ _
-_ 6 4  _ _ _  _ _ _
-
-_ _ 3  _ _ _  5 _ 8
-4 _ _  _ 8 1  _ _ _
-_ _ 6  _ _ _  _ _ _
-
-SOLUTION:
-6 2 5  1 7 9  4 8 3
-3 4 1  8 2 6  9 7 5
-8 9 7  5 3 4  1 6 2
-
-2 7 8  9 1 3  6 5 4
-5 3 9  4 6 8  7 2 1
-1 6 4  2 5 7  8 3 9
-
-7 1 3  6 9 2  5 4 8
-4 5 2  7 8 1  3 9 6
-9 8 6  3 4 5  2 1 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,1,null,7,null,0,null,2,3,null,null,null,null,6,null,5,null,null,null,null,null,null,null,null,null,null,null,null,5,2,null,3,1,null,8,null,null,null,null,5,8,null,6,null,6,null,8,null,1,null,5,null,null,1,null,null,null,null,null,8,null,null,null,null,null,4,null,null,null,null,null,4,7,null,null,null,2,null,null,null],"solution":[8,6,1,3,7,5,0,4,2,3,0,4,8,2,6,7,5,1,5,2,7,1,4,0,3,8,6,7,4,5,2,6,3,1,0,8,2,1,0,7,5,8,4,6,3,6,3,8,0,1,4,5,2,7,1,5,2,6,0,7,8,3,4,0,8,6,4,3,1,2,7,5,4,7,3,5,8,2,6,1,0]}
-PUZZLE:
-_ _ 2  _ 8 _  1 _ 3
-4 _ _  _ _ 7  _ 6 _
-_ _ _  _ _ _  _ _ _
-
-_ _ 6  3 _ 4  2 _ 9
-_ _ _  _ 6 9  _ 7 _
-7 _ 9  _ 2 _  6 _ _
-
-2 _ _  _ _ _  9 _ _
-_ _ _  5 _ _  _ _ _
-5 8 _  _ _ 3  _ _ _
-
-SOLUTION:
-9 7 2  4 8 6  1 5 3
-4 1 5  9 3 7  8 6 2
-6 3 8  2 5 1  4 9 7
-
-8 5 6  3 7 4  2 1 9
-3 2 1  8 6 9  5 7 4
-7 4 9  1 2 5  6 3 8
-
-2 6 3  7 1 8  9 4 5
-1 9 7  5 4 2  3 8 6
-5 8 4  6 9 3  7 2 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,8,3,null,null,null,4,null,null,null,null,null,2,null,0,null,7,null,null,null,null,null,5,4,null,6,7,1,null,null,null,null,null,null,2,null,7,null,null,null,null,null,null,null,null,null,null,0,1,null,5,null,8,null,null,7,2,3,null,null,2,null,null,null,4,null,5,null,null,null,null,null,null,null,null,null,null,8],"solution":[0,5,2,4,8,3,7,1,6,4,1,8,5,6,7,2,3,0,3,7,6,2,0,1,8,5,4,5,6,7,1,3,4,0,8,2,1,2,0,7,5,8,4,6,3,8,4,3,6,2,0,1,7,5,6,8,5,0,7,2,3,4,1,2,3,1,8,4,6,5,0,7,7,0,4,3,1,5,6,2,8]}
-PUZZLE:
-_ _ _  _ 9 4  _ _ _
-5 _ _  _ _ _  3 _ 1
-_ 8 _  _ _ _  _ 6 5
-
-_ 7 8  2 _ _  _ _ _
-_ 3 _  8 _ _  _ _ _
-_ _ _  _ _ 1  2 _ 6
-
-_ 9 _  _ 8 3  4 _ _
-3 _ _  _ 5 _  6 _ _
-_ _ _  _ _ _  _ _ 9
-
-SOLUTION:
-1 6 3  5 9 4  8 2 7
-5 2 9  6 7 8  3 4 1
-4 8 7  3 1 2  9 6 5
-
-6 7 8  2 4 5  1 9 3
-2 3 1  8 6 9  5 7 4
-9 5 4  7 3 1  2 8 6
-
-7 9 6  1 8 3  4 5 2
-3 4 2  9 5 7  6 1 8
-8 1 5  4 2 6  7 3 9
-
-RATING: 1.75
-DATA:
-{"puzzle":[2,null,null,6,null,4,null,null,null,null,null,null,null,null,2,null,7,1,null,null,8,null,null,0,2,null,null,null,null,4,null,5,null,null,null,3,1,5,6,null,null,null,null,0,null,null,null,null,null,0,7,null,null,null,8,null,null,null,4,null,0,null,null,null,null,null,7,null,null,null,null,null,null,6,null,null,null,null,null,5,4],"solution":[2,3,7,6,1,4,5,8,0,6,0,5,8,3,2,4,7,1,4,1,8,5,7,0,2,3,6,0,7,4,2,5,6,8,1,3,1,5,6,4,8,3,7,0,2,3,8,2,1,0,7,6,4,5,8,2,1,3,4,5,0,6,7,5,4,0,7,6,1,3,2,8,7,6,3,0,2,8,1,5,4]}
-PUZZLE:
-3 _ _  7 _ 5  _ _ _
-_ _ _  _ _ 3  _ 8 2
-_ _ 9  _ _ 1  3 _ _
-
-_ _ 5  _ 6 _  _ _ 4
-2 6 7  _ _ _  _ 1 _
-_ _ _  _ 1 8  _ _ _
-
-9 _ _  _ 5 _  1 _ _
-_ _ _  8 _ _  _ _ _
-_ 7 _  _ _ _  _ 6 5
-
-SOLUTION:
-3 4 8  7 2 5  6 9 1
-7 1 6  9 4 3  5 8 2
-5 2 9  6 8 1  3 4 7
-
-1 8 5  3 6 7  9 2 4
-2 6 7  5 9 4  8 1 3
-4 9 3  2 1 8  7 5 6
-
-9 3 2  4 5 6  1 7 8
-6 5 1  8 7 2  4 3 9
-8 7 4  1 3 9  2 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,1,null,null,3,null,null,null,null,null,6,null,4,null,null,null,3,null,8,5,6,null,null,2,null,null,null,0,2,1,6,null,null,null,null,null,null,null,null,0,null,null,7,null,null,null,3,null,null,2,null,null,null,null,null,null,null,null,null,null,0,6,5,null,null,null,null,null,null,null,null,1,null,8,null,2,null,null,4,null],"solution":[0,4,1,2,8,3,6,5,7,2,7,6,5,4,1,0,8,3,3,8,5,6,7,0,2,1,4,7,0,2,1,6,4,5,3,8,6,5,4,3,0,8,1,7,2,8,1,3,7,5,2,4,6,0,4,2,7,8,1,5,3,0,6,5,6,0,4,3,7,8,2,1,1,3,8,0,2,6,7,4,5]}
-PUZZLE:
-1 _ 2  _ _ 4  _ _ _
-_ _ 7  _ 5 _  _ _ 4
-_ 9 6  7 _ _  3 _ _
-
-_ 1 3  2 7 _  _ _ _
-_ _ _  _ 1 _  _ 8 _
-_ _ 4  _ _ 3  _ _ _
-
-_ _ _  _ _ _  _ 1 7
-6 _ _  _ _ _  _ _ _
-2 _ 9  _ 3 _  _ 5 _
-
-SOLUTION:
-1 5 2  3 9 4  7 6 8
-3 8 7  6 5 2  1 9 4
-4 9 6  7 8 1  3 2 5
-
-8 1 3  2 7 5  6 4 9
-7 6 5  4 1 9  2 8 3
-9 2 4  8 6 3  5 7 1
-
-5 3 8  9 2 6  4 1 7
-6 7 1  5 4 8  9 3 2
-2 4 9  1 3 7  8 5 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,1,5,7,null,null,null,null,null,null,6,null,null,null,8,null,null,null,3,null,null,null,null,null,3,null,null,null,null,7,null,3,null,8,4,null,null,null,0,6,null,null,null,5,null,null,null,2,null,null,4,0,null,1,null,null,null,null,6,null,null,3,null,5,null,null,2,null,null,null,null,null,null,null,null],"solution":[3,4,6,2,7,8,0,1,5,7,5,1,4,0,3,2,6,8,0,2,8,6,1,5,3,7,4,4,0,5,3,2,6,1,8,7,1,3,2,8,4,7,6,5,0,6,8,7,1,5,0,4,3,2,5,7,4,0,6,1,8,2,3,8,6,0,7,3,2,5,4,1,2,1,3,5,8,4,7,0,6]}
-PUZZLE:
-_ _ _  _ _ _  _ 2 6
-8 _ _  _ _ _  _ 7 _
-_ _ 9  _ _ _  4 _ _
-
-_ _ _  4 _ _  _ _ 8
-_ 4 _  9 5 _  _ _ 1
-7 _ _  _ 6 _  _ _ 3
-
-_ _ 5  1 _ 2  _ _ _
-_ 7 _  _ 4 _  6 _ _
-3 _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 5 7  3 8 9  1 2 6
-8 6 2  5 1 4  3 7 9
-1 3 9  7 2 6  4 8 5
-
-5 1 6  4 3 7  2 9 8
-2 4 3  9 5 8  7 6 1
-7 9 8  2 6 1  5 4 3
-
-6 8 5  1 7 2  9 3 4
-9 7 1  8 4 3  6 5 2
-3 2 4  6 9 5  8 1 7
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,4,null,0,2,null,8,2,null,null,3,null,null,7,null,null,null,6,null,null,1,null,null,3,null,null,null,5,7,null,null,null,null,0,null,null,1,null,null,null,null,2,null,null,null,4,null,null,null,null,7,6,null,1,8,null,null,null,null,5,null,null,4,null,null,null,null,null,null,5,7,null,null,null,null,8,null,null],"solution":[1,3,5,7,4,8,0,2,6,8,2,0,6,3,5,1,7,4,7,4,6,2,0,1,5,8,3,4,1,3,5,7,2,6,0,8,0,6,7,1,8,3,4,5,2,2,5,8,4,6,0,3,1,7,6,0,1,8,2,4,7,3,5,3,8,4,0,5,7,2,6,1,5,7,2,3,1,6,8,4,0]}
-PUZZLE:
-_ _ _  _ 5 _  1 3 _
-9 3 _  _ 4 _  _ 8 _
-_ _ 7  _ _ 2  _ _ 4
-
-_ _ _  6 8 _  _ _ _
-1 _ _  2 _ _  _ _ 3
-_ _ _  5 _ _  _ _ 8
-
-7 _ 2  9 _ _  _ _ 6
-_ _ 5  _ _ _  _ _ _
-6 8 _  _ _ _  9 _ _
-
-SOLUTION:
-2 4 6  8 5 9  1 3 7
-9 3 1  7 4 6  2 8 5
-8 5 7  3 1 2  6 9 4
-
-5 2 4  6 8 3  7 1 9
-1 7 8  2 9 4  5 6 3
-3 6 9  5 7 1  4 2 8
-
-7 1 2  9 3 5  8 4 6
-4 9 5  1 6 8  3 7 2
-6 8 3  4 2 7  9 5 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,null,5,null,null,6,null,0,null,1,2,null,8,null,null,7,null,5,0,null,null,null,0,null,null,null,null,null,null,null,null,null,7,null,null,null,4,null,null,null,4,8,null,null,null,null,0,3,null,3,null,6,null,null,8,null,null,1,null,null,null,null,null,null,6,7,null,null,2,null,null,3,null,null,null],"solution":[0,1,3,4,6,2,7,8,5,7,5,6,3,0,8,1,2,4,8,2,4,7,1,5,0,3,6,3,0,1,5,4,6,2,7,8,2,6,7,8,3,0,4,5,1,5,4,8,2,7,1,6,0,3,4,3,0,6,5,7,8,1,2,1,8,5,0,2,4,3,6,7,6,7,2,1,8,3,5,4,0]}
-PUZZLE:
-_ _ _  _ _ 3  _ _ 6
-_ _ 7  _ 1 _  2 3 _
-9 _ _  8 _ 6  1 _ _
-
-_ 1 _  _ _ _  _ _ _
-_ _ 8  _ _ _  5 _ _
-_ 5 9  _ _ _  _ 1 4
-
-_ 4 _  7 _ _  9 _ _
-2 _ _  _ _ _  _ 7 8
-_ _ 3  _ _ 4  _ _ _
-
-SOLUTION:
-1 2 4  5 7 3  8 9 6
-8 6 7  4 1 9  2 3 5
-9 3 5  8 2 6  1 4 7
-
-4 1 2  6 5 7  3 8 9
-3 7 8  9 4 1  5 6 2
-6 5 9  3 8 2  7 1 4
-
-5 4 1  7 6 8  9 2 3
-2 9 6  1 3 5  4 7 8
-7 8 3  2 9 4  6 5 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,4,null,null,null,null,1,4,null,null,null,3,6,null,7,8,null,null,null,null,null,null,7,null,2,null,null,null,1,null,1,null,2,6,8,null,null,null,null,0,3,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,3,0,null,null,null,6,null,null,4,null,null,null,3,0,null,null,8,null],"solution":[5,1,3,0,6,2,7,4,8,2,8,0,1,4,7,5,6,3,6,4,7,8,3,5,2,0,1,8,7,4,2,5,0,3,1,6,1,5,2,6,8,3,4,7,0,0,3,6,7,1,4,8,5,2,7,6,1,4,2,8,0,3,5,3,0,8,5,7,6,1,2,4,4,2,5,3,0,1,6,8,7]}
-PUZZLE:
-_ _ _  _ _ 3  _ 5 _
-_ _ _  2 5 _  _ _ 4
-7 _ 8  9 _ _  _ _ _
-
-_ 8 _  3 _ _  _ 2 _
-2 _ 3  7 9 _  _ _ _
-1 4 _  _ 2 _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-4 1 _  _ _ 7  _ _ 5
-_ _ _  4 1 _  _ 9 _
-
-SOLUTION:
-6 2 4  1 7 3  8 5 9
-3 9 1  2 5 8  6 7 4
-7 5 8  9 4 6  3 1 2
-
-9 8 5  3 6 1  4 2 7
-2 6 3  7 9 4  5 8 1
-1 4 7  8 2 5  9 6 3
-
-8 7 2  5 3 9  1 4 6
-4 1 9  6 8 7  2 3 5
-5 3 6  4 1 2  7 9 8
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,null,1,null,null,null,null,null,null,null,8,null,null,null,4,null,5,null,null,null,null,2,null,6,null,null,null,null,2,3,null,null,null,7,1,null,null,null,null,null,null,null,null,6,null,2,null,4,null,null,null,null,3,null,1,null,null,6,0,5,null,null,null,null,null,null,null,3,null,null,null,null,4,5,7,null,null,null,null],"solution":[8,2,6,3,1,4,7,0,5,7,1,0,8,6,5,2,4,3,5,4,3,7,0,2,8,6,1,4,5,8,2,3,0,6,1,7,1,0,7,6,5,8,4,3,2,6,3,2,1,4,7,5,8,0,3,7,1,4,2,6,0,5,8,2,6,5,0,8,1,3,7,4,0,8,4,5,7,3,1,2,6]}
-PUZZLE:
-9 _ _  _ 2 _  _ _ _
-_ _ _  9 _ _  _ 5 _
-6 _ _  _ _ 3  _ 7 _
-
-_ _ _  3 4 _  _ _ 8
-2 _ _  _ _ _  _ _ _
-7 _ 3  _ 5 _  _ _ _
-
-4 _ 2  _ _ 7  1 6 _
-_ _ _  _ _ _  4 _ _
-_ _ 5  6 8 _  _ _ _
-
-SOLUTION:
-9 3 7  4 2 5  8 1 6
-8 2 1  9 7 6  3 5 4
-6 5 4  8 1 3  9 7 2
-
-5 6 9  3 4 1  7 2 8
-2 1 8  7 6 9  5 4 3
-7 4 3  2 5 8  6 9 1
-
-4 8 2  5 3 7  1 6 9
-3 7 6  1 9 2  4 8 5
-1 9 5  6 8 4  2 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,null,1,null,null,7,null,8,null,null,null,null,0,null,null,null,null,null,8,null,4,null,null,8,7,0,null,null,4,null,6,null,null,4,null,null,null,7,null,null,0,null,null,null,3,null,null,null,null,null,null,null,5,2,1,null,null,null,1,null,null,null,null,null,null,null,3,6,null,null,null,null,null,0,null],"solution":[2,8,3,0,4,5,7,6,1,1,4,7,2,8,6,3,5,0,0,5,6,1,3,7,8,2,4,5,2,8,7,0,1,6,4,3,6,3,1,4,2,8,0,7,5,7,0,4,5,6,3,2,1,8,4,7,0,3,5,2,1,8,6,8,1,5,6,7,0,4,3,2,3,6,2,8,1,4,5,0,7]}
-PUZZLE:
-_ _ _  _ _ 6  _ _ 2
-_ _ 8  _ 9 _  _ _ _
-1 _ _  _ _ _  9 _ 5
-
-_ _ 9  8 1 _  _ 5 _
-7 _ _  5 _ _  _ 8 _
-_ 1 _  _ _ 4  _ _ _
-
-_ _ _  _ 6 3  2 _ _
-_ 2 _  _ _ _  _ _ _
-4 7 _  _ _ _  _ 1 _
-
-SOLUTION:
-3 9 4  1 5 6  8 7 2
-2 5 8  3 9 7  4 6 1
-1 6 7  2 4 8  9 3 5
-
-6 3 9  8 1 2  7 5 4
-7 4 2  5 3 9  1 8 6
-8 1 5  6 7 4  3 2 9
-
-5 8 1  4 6 3  2 9 7
-9 2 6  7 8 1  5 4 3
-4 7 3  9 2 5  6 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,0,null,7,4,null,null,null,null,null,null,null,null,null,null,null,6,null,null,2,null,null,0,null,5,1,null,null,null,8,null,null,4,null,null,null,null,null,4,null,8,null,2,null,null,null,1,null,null,null,0,7,null,null,6,null,2,null,null,null,3,null,null,null,null,0,null,7,null,null,null,null,null,null,null,5,null,null],"solution":[1,8,5,3,0,6,7,4,2,0,7,2,8,4,5,3,6,1,4,6,3,1,2,7,8,0,5,5,1,7,0,6,8,2,3,4,6,3,0,2,5,4,1,8,7,2,4,8,7,1,3,6,5,0,7,5,4,6,3,2,0,1,8,3,2,1,5,8,0,4,7,6,8,0,6,4,7,1,5,2,3]}
-PUZZLE:
-_ _ 6  _ 1 _  8 5 _
-_ _ _  _ _ _  _ _ _
-_ 7 _  _ 3 _  _ 1 _
-
-6 2 _  _ _ 9  _ _ 5
-_ _ _  _ _ 5  _ 9 _
-3 _ _  _ 2 _  _ _ 1
-
-8 _ _  7 _ 3  _ _ _
-4 _ _  _ _ 1  _ 8 _
-_ _ _  _ _ _  6 _ _
-
-SOLUTION:
-2 9 6  4 1 7  8 5 3
-1 8 3  9 5 6  4 7 2
-5 7 4  2 3 8  9 1 6
-
-6 2 8  1 7 9  3 4 5
-7 4 1  3 6 5  2 9 8
-3 5 9  8 2 4  7 6 1
-
-8 6 5  7 4 3  1 2 9
-4 3 2  6 9 1  5 8 7
-9 1 7  5 8 2  6 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[1,8,2,null,0,null,null,null,null,6,null,7,2,null,null,null,null,8,null,null,0,null,null,null,null,3,null,8,7,null,null,null,2,null,null,null,2,null,5,null,null,7,null,null,3,null,0,1,null,null,null,2,null,null,null,null,null,1,6,8,null,null,null,null,null,null,3,null,null,0,null,null,null,null,null,null,5,null,null,null,null],"solution":[1,8,2,5,0,3,7,4,6,6,3,7,2,4,1,5,0,8,5,4,0,8,7,6,1,3,2,8,7,3,4,1,2,6,5,0,2,6,5,0,8,7,4,1,3,4,0,1,6,3,5,2,8,7,0,2,4,1,6,8,3,7,5,7,5,8,3,2,4,0,6,1,3,1,6,7,5,0,8,2,4]}
-PUZZLE:
-2 9 3  _ 1 _  _ _ _
-7 _ 8  3 _ _  _ _ 9
-_ _ 1  _ _ _  _ 4 _
-
-9 8 _  _ _ 3  _ _ _
-3 _ 6  _ _ 8  _ _ 4
-_ 1 2  _ _ _  3 _ _
-
-_ _ _  2 7 9  _ _ _
-_ _ _  4 _ _  1 _ _
-_ _ _  _ 6 _  _ _ _
-
-SOLUTION:
-2 9 3  6 1 4  8 5 7
-7 4 8  3 5 2  6 1 9
-6 5 1  9 8 7  2 4 3
-
-9 8 4  5 2 3  7 6 1
-3 7 6  1 9 8  5 2 4
-5 1 2  7 4 6  3 9 8
-
-1 3 5  2 7 9  4 8 6
-8 6 9  4 3 5  1 7 2
-4 2 7  8 6 1  9 3 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[2,null,null,null,null,7,null,null,null,null,0,null,null,null,6,7,null,null,null,null,null,null,null,null,null,null,8,null,null,5,null,null,2,null,4,null,1,null,null,null,null,null,3,null,null,null,4,null,7,null,null,null,null,1,null,null,2,8,7,null,null,null,null,3,null,null,null,6,0,null,null,7,null,null,null,2,null,5,null,3,null],"solution":[2,1,6,0,8,7,4,5,3,8,0,3,5,4,6,7,1,2,5,7,4,3,2,1,0,6,8,7,3,5,1,0,2,8,4,6,1,2,8,6,5,4,3,7,0,6,4,0,7,3,8,5,2,1,4,6,2,8,7,3,1,0,5,3,5,1,4,6,0,2,8,7,0,8,7,2,1,5,6,3,4]}
-PUZZLE:
-3 _ _  _ _ 8  _ _ _
-_ 1 _  _ _ 7  8 _ _
-_ _ _  _ _ _  _ _ 9
-
-_ _ 6  _ _ 3  _ 5 _
-2 _ _  _ _ _  4 _ _
-_ 5 _  8 _ _  _ _ 2
-
-_ _ 3  9 8 _  _ _ _
-4 _ _  _ 7 1  _ _ 8
-_ _ _  3 _ 6  _ 4 _
-
-SOLUTION:
-3 2 7  1 9 8  5 6 4
-9 1 4  6 5 7  8 2 3
-6 8 5  4 3 2  1 7 9
-
-8 4 6  2 1 3  9 5 7
-2 3 9  7 6 5  4 8 1
-7 5 1  8 4 9  6 3 2
-
-5 7 3  9 8 4  2 1 6
-4 6 2  5 7 1  3 9 8
-1 9 8  3 2 6  7 4 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,1,null,null,null,null,0,0,5,null,null,null,null,8,1,null,null,null,null,2,null,null,3,null,6,null,7,null,null,null,null,null,null,null,null,null,null,null,null,1,5,null,null,1,2,null,null,null,3,7,null,null,5,null,null,null,null,null,6,null,null,null,null,2,7,8,null,1,null,null,3,null,null,0,null,4,null,null,null],"solution":[2,3,6,1,5,8,4,7,0,0,5,4,6,3,7,8,1,2,7,8,1,2,4,0,3,5,6,8,7,3,5,2,6,0,4,1,4,6,0,8,7,1,5,2,3,1,2,5,4,0,3,7,6,8,5,4,8,3,1,2,6,0,7,6,0,2,7,8,5,1,3,4,3,1,7,0,6,4,2,8,5]}
-PUZZLE:
-_ _ _  2 _ _  _ _ 1
-1 6 _  _ _ _  9 2 _
-_ _ _  3 _ _  4 _ 7
-
-_ 8 _  _ _ _  _ _ _
-_ _ _  _ _ 2  6 _ _
-2 3 _  _ _ 4  8 _ _
-
-6 _ _  _ _ _  7 _ _
-_ _ 3  8 9 _  2 _ _
-4 _ _  1 _ 5  _ _ _
-
-SOLUTION:
-3 4 7  2 6 9  5 8 1
-1 6 5  7 4 8  9 2 3
-8 9 2  3 5 1  4 6 7
-
-9 8 4  6 3 7  1 5 2
-5 7 1  9 8 2  6 3 4
-2 3 6  5 1 4  8 7 9
-
-6 5 9  4 2 3  7 1 8
-7 1 3  8 9 6  2 4 5
-4 2 8  1 7 5  3 9 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,4,null,null,null,null,null,7,null,null,null,8,null,null,null,5,null,null,null,1,5,null,null,null,null,null,1,null,null,null,null,null,null,null,2,null,null,3,null,null,null,null,null,null,null,null,null,7,2,null,null,6,null,5,null,null,1,null,null,8,null,null,null,2,null,null,6,null,0,null,0,null,null,null,null,5,null,7,3],"solution":[5,3,0,4,6,7,8,2,1,7,4,1,2,8,0,3,6,5,6,2,8,1,5,3,7,4,0,4,1,5,6,0,8,2,3,7,2,7,6,3,4,1,0,5,8,8,0,3,5,7,2,4,1,6,3,5,7,0,1,4,6,8,2,1,8,2,7,3,6,5,0,4,0,6,4,8,2,5,1,7,3]}
-PUZZLE:
-_ _ 1  5 _ _  _ _ _
-8 _ _  _ 9 _  _ _ 6
-_ _ _  2 6 _  _ _ _
-
-_ 2 _  _ _ _  _ _ _
-3 _ _  4 _ _  _ _ _
-_ _ _  _ 8 3  _ _ 7
-
-_ 6 _  _ 2 _  _ 9 _
-_ _ 3  _ _ 7  _ 1 _
-1 _ _  _ _ 6  _ 8 4
-
-SOLUTION:
-6 4 1  5 7 8  9 3 2
-8 5 2  3 9 1  4 7 6
-7 3 9  2 6 4  8 5 1
-
-5 2 6  7 1 9  3 4 8
-3 8 7  4 5 2  1 6 9
-9 1 4  6 8 3  5 2 7
-
-4 6 8  1 2 5  7 9 3
-2 9 3  8 4 7  6 1 5
-1 7 5  9 3 6  2 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,null,7,null,4,1,null,null,6,4,1,3,2,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,6,null,null,null,null,null,4,2,3,null,null,null,8,null,null,null,null,8,null,null,null,null,7,null,null,null,null,null,null,0,3,null,6,3,null,7,null,5,null,null,null],"solution":[3,8,0,6,2,7,5,4,1,7,5,6,4,1,3,2,0,8,4,2,1,0,5,8,6,7,3,1,6,3,5,8,4,7,2,0,0,7,8,1,6,2,3,5,4,5,4,2,3,7,0,1,8,6,2,0,5,8,3,1,4,6,7,8,1,7,2,4,6,0,3,5,6,3,4,7,0,5,8,1,2]}
-PUZZLE:
-_ 9 _  _ _ 8  _ 5 2
-_ _ 7  5 2 4  3 _ _
-_ _ _  _ _ _  7 _ _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  2 7 _  _ _ _
-_ 5 3  4 _ _  _ 9 _
-
-_ _ _  9 _ _  _ _ 8
-_ _ _  _ _ _  1 4 _
-7 4 _  8 _ 6  _ _ _
-
-SOLUTION:
-4 9 1  7 3 8  6 5 2
-8 6 7  5 2 4  3 1 9
-5 3 2  1 6 9  7 8 4
-
-2 7 4  6 9 5  8 3 1
-1 8 9  2 7 3  4 6 5
-6 5 3  4 8 1  2 9 7
-
-3 1 6  9 4 2  5 7 8
-9 2 8  3 5 7  1 4 6
-7 4 5  8 1 6  9 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,6,null,null,4,null,0,6,null,7,null,null,null,2,3,null,null,null,null,null,3,null,null,1,null,null,null,null,null,7,null,null,null,7,null,2,3,1,null,6,8,null,null,null,null,null,null,null,4,null,null,5,null,null,null,null,null,null,null,null,6,null,null,2,null,8,null,null,null,null,0,3,6,4,null,null,null,null],"solution":[3,7,8,1,6,2,5,4,0,0,6,1,7,5,4,8,2,3,4,2,5,8,0,3,7,6,1,1,5,6,4,8,7,3,0,2,7,4,2,3,1,0,6,8,5,8,3,0,5,2,6,4,1,7,5,8,4,0,7,1,2,3,6,6,1,7,2,3,8,0,5,4,2,0,3,6,4,5,1,7,8]}
-PUZZLE:
-4 _ _  _ 7 _  _ 5 _
-1 7 _  8 _ _  _ 3 4
-_ _ _  _ _ 4  _ _ 2
-
-_ _ _  _ _ 8  _ _ _
-8 _ 3  4 2 _  7 9 _
-_ _ _  _ _ _  5 _ _
-
-6 _ _  _ _ _  _ _ _
-7 _ _  3 _ 9  _ _ _
-_ 1 4  7 5 _  _ _ _
-
-SOLUTION:
-4 8 9  2 7 3  6 5 1
-1 7 2  8 6 5  9 3 4
-5 3 6  9 1 4  8 7 2
-
-2 6 7  5 9 8  4 1 3
-8 5 3  4 2 1  7 9 6
-9 4 1  6 3 7  5 2 8
-
-6 9 5  1 8 2  3 4 7
-7 2 8  3 4 9  1 6 5
-3 1 4  7 5 6  2 8 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,2,null,null,4,null,null,null,null,null,4,1,3,2,null,null,null,0,null,null,null,null,null,null,null,1,null,5,null,null,null,0,null,7,null,null,4,3,null,null,null,7,null,null,5,null,null,null,8,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,3,null,6,null,null,null,null,8,5,null,null,2,3,null],"solution":[0,2,7,1,4,5,3,6,8,8,4,1,3,2,6,5,7,0,3,6,5,7,8,0,4,1,2,5,8,6,4,0,1,7,2,3,4,3,0,2,6,7,1,8,5,7,1,2,8,5,3,0,4,6,1,5,3,6,7,2,8,0,4,2,7,4,0,3,8,6,5,1,6,0,8,5,1,4,2,3,7]}
-PUZZLE:
-_ 3 _  _ 5 _  _ _ _
-_ 5 2  4 3 _  _ _ 1
-_ _ _  _ _ _  _ 2 _
-
-6 _ _  _ 1 _  8 _ _
-5 4 _  _ _ 8  _ _ 6
-_ _ _  9 _ _  _ _ _
-
-2 _ _  _ _ _  _ _ _
-_ _ _  _ 4 _  7 _ _
-_ _ 9  6 _ _  3 4 _
-
-SOLUTION:
-1 3 8  2 5 6  4 7 9
-9 5 2  4 3 7  6 8 1
-4 7 6  8 9 1  5 2 3
-
-6 9 7  5 1 2  8 3 4
-5 4 1  3 7 8  2 9 6
-8 2 3  9 6 4  1 5 7
-
-2 6 4  7 8 3  9 1 5
-3 8 5  1 4 9  7 6 2
-7 1 9  6 2 5  3 4 8
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,8,null,null,2,null,null,null,null,null,null,null,null,null,4,2,null,null,null,4,null,null,null,null,null,0,5,8,null,null,7,null,3,null,5,null,null,null,null,4,null,null,6,null,null,null,null,3,null,null,null,0,null,null,null,3,6,null,null,null,7,1,null,null,null,1,2,0,null,null,null,null,null,5,null,null,1,null,null,null,null],"solution":[6,8,7,0,2,5,3,4,1,5,1,0,8,3,4,2,6,7,3,4,2,6,7,1,8,0,5,8,0,4,7,6,3,1,5,2,1,2,5,4,8,0,6,7,3,7,6,3,1,5,2,0,8,4,2,3,6,5,4,8,7,1,0,4,7,1,2,0,6,5,3,8,0,5,8,3,1,7,4,2,6]}
-PUZZLE:
-_ 9 _  _ 3 _  _ _ _
-_ _ _  _ _ 5  3 _ _
-_ 5 _  _ _ _  _ 1 6
-
-9 _ _  8 _ 4  _ 6 _
-_ _ _  5 _ _  7 _ _
-_ _ 4  _ _ _  1 _ _
-
-_ 4 7  _ _ _  8 2 _
-_ _ 2  3 1 _  _ _ _
-_ 6 _  _ 2 _  _ _ _
-
-SOLUTION:
-7 9 8  1 3 6  4 5 2
-6 2 1  9 4 5  3 7 8
-4 5 3  7 8 2  9 1 6
-
-9 1 5  8 7 4  2 6 3
-2 3 6  5 9 1  7 8 4
-8 7 4  2 6 3  1 9 5
-
-3 4 7  6 5 9  8 2 1
-5 8 2  3 1 7  6 4 9
-1 6 9  4 2 8  5 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,null,0,null,null,null,2,null,2,null,null,null,null,null,null,null,null,null,null,1,null,null,4,null,0,8,null,null,null,6,null,null,7,4,null,null,null,null,null,null,7,null,null,0,null,null,2,null,null,3,null,1,null,null,null,null,null,null,null,null,null,null,null,8,null,null,7,null,null,null,4,null,7,null,null,3,1,5,null,null],"solution":[6,4,7,0,1,8,3,2,5,2,0,8,3,6,5,4,7,1,5,3,1,7,2,4,6,0,8,8,1,0,6,5,2,7,4,3,4,6,3,1,8,7,2,5,0,7,5,2,4,0,3,8,1,6,3,2,6,5,4,0,1,8,7,1,8,5,2,7,6,0,3,4,0,7,4,8,3,1,5,6,2]}
-PUZZLE:
-7 _ _  1 _ _  _ 3 _
-3 _ _  _ _ _  _ _ _
-_ _ 2  _ _ 5  _ 1 9
-
-_ _ _  7 _ _  8 5 _
-_ _ _  _ _ 8  _ _ 1
-_ _ 3  _ _ 4  _ 2 _
-
-_ _ _  _ _ _  _ _ _
-_ 9 _  _ 8 _  _ _ 5
-_ 8 _  _ 4 2  6 _ _
-
-SOLUTION:
-7 5 8  1 2 9  4 3 6
-3 1 9  4 7 6  5 8 2
-6 4 2  8 3 5  7 1 9
-
-9 2 1  7 6 3  8 5 4
-5 7 4  2 9 8  3 6 1
-8 6 3  5 1 4  9 2 7
-
-4 3 7  6 5 1  2 9 8
-2 9 6  3 8 7  1 4 5
-1 8 5  9 4 2  6 7 3
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,2,null,null,null,null,1,null,null,null,6,null,null,null,7,null,4,null,null,null,5,1,null,null,null,null,null,null,null,0,null,null,5,null,7,null,4,null,null,null,2,null,null,null,5,null,null,null,7,null,null,null,2,7,null,null,null,6,0,null,8,null,0,null,null,3,null,null,6,null,null,null,null,4,null,null,null,null,3,null],"solution":[8,5,2,4,3,7,0,1,6,3,1,6,2,0,8,7,5,4,4,7,0,5,1,6,3,2,8,2,3,8,0,4,1,5,6,7,6,4,7,8,5,2,1,0,3,5,0,1,6,7,3,8,4,2,7,2,3,1,6,0,4,8,5,0,8,5,3,2,4,6,7,1,1,6,4,7,8,5,2,3,0]}
-PUZZLE:
-_ _ 3  _ _ _  _ 2 _
-_ _ 7  _ _ _  8 _ 5
-_ _ _  6 2 _  _ _ _
-
-_ _ _  1 _ _  6 _ 8
-_ 5 _  _ _ 3  _ _ _
-6 _ _  _ 8 _  _ _ 3
-
-8 _ _  _ 7 1  _ 9 _
-1 _ _  4 _ _  7 _ _
-_ _ 5  _ _ _  _ 4 _
-
-SOLUTION:
-9 6 3  5 4 8  1 2 7
-4 2 7  3 1 9  8 6 5
-5 8 1  6 2 7  4 3 9
-
-3 4 9  1 5 2  6 7 8
-7 5 8  9 6 3  2 1 4
-6 1 2  7 8 4  9 5 3
-
-8 3 4  2 7 1  5 9 6
-1 9 6  4 3 5  7 8 2
-2 7 5  8 9 6  3 4 1
-
-RATING: 2
-DATA:
-{"puzzle":[null,6,null,null,null,null,null,4,null,null,null,7,null,null,null,null,5,null,null,null,null,0,3,null,null,null,null,6,null,null,null,null,null,null,null,8,null,null,8,null,null,6,null,null,null,null,1,null,null,7,null,null,3,null,null,null,null,5,2,null,null,null,1,null,5,0,null,null,null,8,null,null,8,null,null,3,null,null,4,2,null],"solution":[0,6,3,7,8,5,1,4,2,1,8,7,6,4,2,3,5,0,4,2,5,0,3,1,6,8,7,6,0,4,1,5,3,2,7,8,7,3,8,2,0,6,5,1,4,5,1,2,8,7,4,0,3,6,3,4,6,5,2,8,7,0,1,2,5,0,4,1,7,8,6,3,8,7,1,3,6,0,4,2,5]}
-PUZZLE:
-_ 7 _  _ _ _  _ 5 _
-_ _ 8  _ _ _  _ 6 _
-_ _ _  1 4 _  _ _ _
-
-7 _ _  _ _ _  _ _ 9
-_ _ 9  _ _ 7  _ _ _
-_ 2 _  _ 8 _  _ 4 _
-
-_ _ _  6 3 _  _ _ 2
-_ 6 1  _ _ _  9 _ _
-9 _ _  4 _ _  5 3 _
-
-SOLUTION:
-1 7 4  8 9 6  2 5 3
-2 9 8  7 5 3  4 6 1
-5 3 6  1 4 2  7 9 8
-
-7 1 5  2 6 4  3 8 9
-8 4 9  3 1 7  6 2 5
-6 2 3  9 8 5  1 4 7
-
-4 5 7  6 3 9  8 1 2
-3 6 1  5 2 8  9 7 4
-9 8 2  4 7 1  5 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,5,null,null,null,null,8,null,1,null,4,null,0,2,null,null,null,6,null,null,0,null,4,1,null,null,0,null,null,null,null,null,null,null,null,null,null,null,2,null,8,7,null,1,null,null,null,null,6,5,null,null,null,null,null,null,null,8,null,null,0,null,null,3,null,null,null,null,null,4,null,3,null,6,8,null,null,null],"solution":[3,0,4,2,5,1,7,6,8,8,7,1,6,4,3,0,2,5,5,2,6,8,7,0,3,4,1,7,4,0,5,8,6,2,1,3,6,3,5,1,0,2,4,8,7,2,1,8,4,3,7,6,5,0,1,6,7,0,2,5,8,3,4,0,8,2,3,1,4,5,7,6,4,5,3,7,6,8,1,0,2]}
-PUZZLE:
-_ _ _  _ 6 _  _ _ _
-9 _ 2  _ 5 _  1 3 _
-_ _ 7  _ _ 1  _ 5 2
-
-_ _ 1  _ _ _  _ _ _
-_ _ _  _ _ 3  _ 9 8
-_ 2 _  _ _ _  7 6 _
-
-_ _ _  _ _ _  9 _ _
-1 _ _  4 _ _  _ _ _
-5 _ 4  _ 7 9  _ _ _
-
-SOLUTION:
-4 1 5  3 6 2  8 7 9
-9 8 2  7 5 4  1 3 6
-6 3 7  9 8 1  4 5 2
-
-8 5 1  6 9 7  3 2 4
-7 4 6  2 1 3  5 9 8
-3 2 9  5 4 8  7 6 1
-
-2 7 8  1 3 6  9 4 5
-1 9 3  4 2 5  6 8 7
-5 6 4  8 7 9  2 1 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,4,null,3,null,1,null,null,null,null,8,null,7,null,null,6,null,null,null,null,null,6,5,null,3,null,null,0,null,null,5,6,null,8,null,null,2,null,null,null,null,null,null,null,3,null,null,7,1,null,null,4,null,null,null,null,null,null,null,null,5,3,8,null,null,null,null,null,null,null,2,null,4,2,null,null,null,null,null,7],"solution":[7,6,4,8,3,0,1,2,5,5,3,8,2,7,1,0,6,4,2,1,0,4,6,5,7,3,8,4,0,7,3,5,6,2,8,1,1,2,5,0,8,4,3,7,6,3,8,6,7,1,2,5,4,0,0,7,1,6,2,8,4,5,3,8,5,3,1,4,7,6,0,2,6,4,2,5,0,3,8,1,7]}
-PUZZLE:
-_ _ 5  _ 4 _  2 _ _
-_ _ 9  _ 8 _  _ 7 _
-_ _ _  _ 7 6  _ 4 _
-
-_ 1 _  _ 6 7  _ 9 _
-_ 3 _  _ _ _  _ _ _
-4 _ _  8 2 _  _ 5 _
-
-_ _ _  _ _ _  _ 6 4
-9 _ _  _ _ _  _ _ 3
-_ 5 3  _ _ _  _ _ 8
-
-SOLUTION:
-8 7 5  9 4 1  2 3 6
-6 4 9  3 8 2  1 7 5
-3 2 1  5 7 6  8 4 9
-
-5 1 8  4 6 7  3 9 2
-2 3 6  1 9 5  4 8 7
-4 9 7  8 2 3  6 5 1
-
-1 8 2  7 3 9  5 6 4
-9 6 4  2 5 8  7 1 3
-7 5 3  6 1 4  9 2 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,5,3,null,1,3,null,4,null,null,null,null,null,null,null,6,null,null,null,null,0,null,null,null,4,null,6,null,null,null,2,null,null,null,1,null,null,null,null,null,null,null,0,null,null,null,7,5,null,null,7,null,0,null,null,null,null,null,null,null,2,null,5,6,null,null,3,null,0,null,null,null,4,null,null],"solution":[8,6,4,1,7,0,2,5,3,0,1,3,5,4,2,7,8,6,5,7,2,6,8,3,1,4,0,7,3,8,4,5,6,0,1,2,2,0,5,3,1,7,8,6,4,1,4,6,0,2,8,3,7,5,6,2,7,8,0,4,5,3,1,4,8,1,2,3,5,6,0,7,3,5,0,7,6,1,4,2,8]}
-PUZZLE:
-_ _ 5  _ _ _  _ 6 4
-_ 2 4  _ 5 _  _ _ _
-_ _ _  7 _ _  _ _ 1
-
-_ _ _  5 _ 7  _ _ _
-3 _ _  _ 2 _  _ _ _
-_ _ _  1 _ _  _ 8 6
-
-_ _ 8  _ 1 _  _ _ _
-_ _ _  3 _ 6  7 _ _
-4 _ 1  _ _ _  5 _ _
-
-SOLUTION:
-9 7 5  2 8 1  3 6 4
-1 2 4  6 5 3  8 9 7
-6 8 3  7 9 4  2 5 1
-
-8 4 9  5 6 7  1 2 3
-3 1 6  4 2 8  9 7 5
-2 5 7  1 3 9  4 8 6
-
-7 3 8  9 1 5  6 4 2
-5 9 2  3 4 6  7 1 8
-4 6 1  8 7 2  5 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[3,4,null,6,null,null,2,null,null,2,null,7,null,null,8,null,null,null,8,null,null,null,null,4,null,3,6,null,null,null,null,1,7,null,2,null,7,null,null,null,3,null,null,null,null,null,1,null,8,null,5,0,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,4,2,null,null,null,null,3,8,null],"solution":[3,4,0,6,7,1,2,5,8,2,6,7,3,5,8,1,0,4,8,5,1,2,0,4,7,3,6,5,8,4,0,1,7,6,2,3,7,0,2,4,3,6,8,1,5,6,1,3,8,2,5,0,4,7,1,3,6,5,8,2,4,7,0,0,7,8,1,4,3,5,6,2,4,2,5,7,6,0,3,8,1]}
-PUZZLE:
-4 5 _  7 _ _  3 _ _
-3 _ 8  _ _ 9  _ _ _
-9 _ _  _ _ 5  _ 4 7
-
-_ _ _  _ 2 8  _ 3 _
-8 _ _  _ 4 _  _ _ _
-_ 2 _  9 _ 6  1 _ _
-
-_ _ _  _ _ _  _ 8 _
-_ _ _  _ _ _  _ _ _
-5 3 _  _ _ _  4 9 _
-
-SOLUTION:
-4 5 1  7 8 2  3 6 9
-3 7 8  4 6 9  2 1 5
-9 6 2  3 1 5  8 4 7
-
-6 9 5  1 2 8  7 3 4
-8 1 3  5 4 7  9 2 6
-7 2 4  9 3 6  1 5 8
-
-2 4 7  6 9 3  5 8 1
-1 8 9  2 5 4  6 7 3
-5 3 6  8 7 1  4 9 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,0,7,null,null,6,null,5,null,null,8,null,null,1,2,null,null,3,null,null,null,null,null,4,1,null,null,null,null,null,null,null,1,5,null,null,null,null,null,1,0,null,null,7,null,null,5,null,8,null,null,null,null,null,null,null,8,null,null,null,null,null,6,null,null,3,4,null,null,null,null,null,null,7,null,null,null,null,null,null],"solution":[2,1,0,7,3,4,6,8,5,4,5,8,0,6,1,2,7,3,3,7,6,2,5,8,4,1,0,7,0,4,6,2,3,1,5,8,8,6,2,5,1,0,3,4,7,1,3,5,4,8,7,0,2,6,0,4,3,8,7,2,5,6,1,6,8,1,3,4,5,7,0,2,5,2,7,1,0,6,8,3,4]}
-PUZZLE:
-_ 2 1  8 _ _  7 _ 6
-_ _ 9  _ _ 2  3 _ _
-4 _ _  _ _ _  5 2 _
-
-_ _ _  _ _ _  2 6 _
-_ _ _  _ 2 1  _ _ 8
-_ _ 6  _ 9 _  _ _ _
-
-_ _ _  9 _ _  _ _ _
-7 _ _  4 5 _  _ _ _
-_ _ 8  _ _ _  _ _ _
-
-SOLUTION:
-3 2 1  8 4 5  7 9 6
-5 6 9  1 7 2  3 8 4
-4 8 7  3 6 9  5 2 1
-
-8 1 5  7 3 4  2 6 9
-9 7 3  6 2 1  4 5 8
-2 4 6  5 9 8  1 3 7
-
-1 5 4  9 8 3  6 7 2
-7 9 2  4 5 6  8 1 3
-6 3 8  2 1 7  9 4 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,null,null,null,null,3,0,1,null,4,null,null,null,null,5,null,3,null,null,7,null,null,null,4,5,7,null,null,null,0,2,null,null,null,null,null,null,null,null,null,null,null,2,null,null,7,6,8,null,0,null,null,0,null,null,null,null,null,null,null,7,null,null,8,null,null,null,null,null,null,null,null,1,2,null,null,7,null],"solution":[4,2,7,6,8,5,0,1,3,0,1,8,4,3,2,7,6,5,6,3,5,0,7,1,8,2,4,5,7,6,3,1,0,2,4,8,1,8,0,2,5,4,6,3,7,2,4,3,7,6,8,5,0,1,3,0,2,5,4,7,1,8,6,7,6,1,8,0,3,4,5,2,8,5,4,1,2,6,3,7,0]}
-PUZZLE:
-_ _ _  7 _ _  _ _ 4
-1 2 _  5 _ _  _ _ 6
-_ 4 _  _ 8 _  _ _ 5
-
-6 8 _  _ _ 1  3 _ _
-_ _ _  _ _ _  _ _ _
-3 _ _  8 7 9  _ 1 _
-
-_ 1 _  _ _ _  _ _ _
-8 _ _  9 _ _  _ _ _
-_ _ _  2 3 _  _ 8 _
-
-SOLUTION:
-5 3 8  7 9 6  1 2 4
-1 2 9  5 4 3  8 7 6
-7 4 6  1 8 2  9 3 5
-
-6 8 7  4 2 1  3 5 9
-2 9 1  3 6 5  7 4 8
-3 5 4  8 7 9  6 1 2
-
-4 1 3  6 5 8  2 9 7
-8 7 2  9 1 4  5 6 3
-9 6 5  2 3 7  4 8 1
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,3,null,null,8,7,null,0,null,null,null,7,4,null,null,null,5,null,null,null,null,null,null,null,null,null,null,2,0,null,null,null,1,5,null,3,null,5,null,7,null,null,null,null,4,null,null,null,null,1,3,null,6,null,3,null,null,null,2,8,6,null,null,null,null,5,null,null,null,null,null,8,null,null,null,null,null,null,null,2],"solution":[2,5,3,1,6,8,7,4,0,0,8,6,7,4,3,2,1,5,7,4,1,0,2,5,6,8,3,6,2,0,8,3,4,1,5,7,3,1,5,6,7,0,4,2,8,4,7,8,2,5,1,3,0,6,5,3,7,4,0,2,8,6,1,1,6,2,5,8,7,0,3,4,8,0,4,3,1,6,5,7,2]}
-PUZZLE:
-_ _ 4  _ _ 9  8 _ 1
-_ _ _  8 5 _  _ _ 6
-_ _ _  _ _ _  _ _ _
-
-_ 3 1  _ _ _  2 6 _
-4 _ 6  _ 8 _  _ _ _
-5 _ _  _ _ 2  4 _ 7
-
-_ 4 _  _ _ 3  9 7 _
-_ _ _  6 _ _  _ _ _
-9 _ _  _ _ _  _ _ 3
-
-SOLUTION:
-3 6 4  2 7 9  8 5 1
-1 9 7  8 5 4  3 2 6
-8 5 2  1 3 6  7 9 4
-
-7 3 1  9 4 5  2 6 8
-4 2 6  7 8 1  5 3 9
-5 8 9  3 6 2  4 1 7
-
-6 4 8  5 1 3  9 7 2
-2 7 3  6 9 8  1 4 5
-9 1 5  4 2 7  6 8 3
-
-RATING: 1.25
-DATA:
-{"puzzle":[8,6,4,null,null,0,null,null,null,2,null,null,null,null,null,null,0,null,null,null,5,null,8,4,2,null,null,null,7,null,null,null,1,null,5,null,null,null,null,null,null,null,null,4,null,null,null,1,4,null,null,null,null,6,null,null,null,null,null,6,null,1,null,null,0,null,null,5,null,null,null,null,null,null,null,1,null,7,null,null,8],"solution":[8,6,4,3,2,0,1,7,5,2,3,7,6,1,5,8,0,4,0,1,5,7,8,4,2,6,3,4,7,8,0,6,1,3,5,2,6,2,0,5,3,8,7,4,1,3,5,1,4,7,2,0,8,6,7,8,3,2,4,6,5,1,0,1,0,6,8,5,3,4,2,7,5,4,2,1,0,7,6,3,8]}
-PUZZLE:
-9 7 5  _ _ 1  _ _ _
-3 _ _  _ _ _  _ 1 _
-_ _ 6  _ 9 5  3 _ _
-
-_ 8 _  _ _ 2  _ 6 _
-_ _ _  _ _ _  _ 5 _
-_ _ 2  5 _ _  _ _ 7
-
-_ _ _  _ _ 7  _ 2 _
-_ 1 _  _ 6 _  _ _ _
-_ _ _  2 _ 8  _ _ 9
-
-SOLUTION:
-9 7 5  4 3 1  2 8 6
-3 4 8  7 2 6  9 1 5
-1 2 6  8 9 5  3 7 4
-
-5 8 9  1 7 2  4 6 3
-7 3 1  6 4 9  8 5 2
-4 6 2  5 8 3  1 9 7
-
-8 9 4  3 5 7  6 2 1
-2 1 7  9 6 4  5 3 8
-6 5 3  2 1 8  7 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,2,null,3,0,null,null,null,null,7,null,null,null,null,null,3,null,null,6,0,null,null,8,null,8,null,5,null,null,6,null,2,null,null,5,4,1,3,null,null,null,null,null,null,null,null,null,null,null,null,5,6,null,null,null,null,null,8,4,null,null,8,6,null,null,null,2,null,null,null,3,null,4,null,null,null,null],"solution":[1,7,6,8,5,2,4,3,0,8,5,0,3,7,4,2,1,6,4,3,2,1,6,0,5,7,8,3,8,1,5,0,7,6,4,2,6,2,5,4,1,3,8,0,7,7,0,4,2,8,6,1,5,3,5,6,7,0,2,1,3,8,4,0,4,8,6,3,5,7,2,1,2,1,3,7,4,8,0,6,5]}
-PUZZLE:
-_ _ _  _ _ 3  _ 4 1
-_ _ _  _ 8 _  _ _ _
-_ 4 _  _ 7 1  _ _ 9
-
-_ 9 _  6 _ _  7 _ 3
-_ _ 6  5 2 4  _ _ _
-_ _ _  _ _ _  _ _ _
-
-6 7 _  _ _ _  _ 9 5
-_ _ 9  7 _ _  _ 3 _
-_ _ 4  _ 5 _  _ _ _
-
-SOLUTION:
-2 8 7  9 6 3  5 4 1
-9 6 1  4 8 5  3 2 7
-5 4 3  2 7 1  6 8 9
-
-4 9 2  6 1 8  7 5 3
-7 3 6  5 2 4  9 1 8
-8 1 5  3 9 7  2 6 4
-
-6 7 8  1 3 2  4 9 5
-1 5 9  7 4 6  8 3 2
-3 2 4  8 5 9  1 7 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,7,null,null,2,null,null,null,2,5,8,null,3,null,null,null,null,null,4,null,null,6,null,null,3,4,1,null,null,8,null,null,null,null,null,5,null,null,null,null,null,8,null,7,null,null,null,null,0,null,1,null,2,null,7,null,null,null,null,null,1,null,8,null,null,null,null,null,5,null,null,null,3,6,null,7,null,null,null],"solution":[3,6,1,7,0,5,2,4,8,0,2,5,8,4,3,1,7,6,8,7,4,1,2,6,5,0,3,4,1,0,3,8,2,7,6,5,6,5,2,4,7,1,3,8,0,7,3,8,5,6,0,4,1,2,2,4,7,0,5,8,6,3,1,1,8,6,2,3,4,0,5,7,5,0,3,6,1,7,8,2,4]}
-PUZZLE:
-_ _ _  8 _ _  3 _ _
-_ 3 6  9 _ 4  _ _ _
-_ _ 5  _ _ 7  _ _ 4
-
-5 2 _  _ 9 _  _ _ _
-_ 6 _  _ _ _  _ 9 _
-8 _ _  _ _ 1  _ 2 _
-
-3 _ 8  _ _ _  _ _ 2
-_ 9 _  _ _ _  _ 6 _
-_ _ 4  7 _ 8  _ _ _
-
-SOLUTION:
-4 7 2  8 1 6  3 5 9
-1 3 6  9 5 4  2 8 7
-9 8 5  2 3 7  6 1 4
-
-5 2 1  4 9 3  8 7 6
-7 6 3  5 8 2  4 9 1
-8 4 9  6 7 1  5 2 3
-
-3 5 8  1 6 9  7 4 2
-2 9 7  3 4 5  1 6 8
-6 1 4  7 2 8  9 3 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,0,null,null,8,4,6,null,null,null,null,null,null,null,null,4,0,null,null,8,null,5,7,null,null,null,null,null,null,3,null,null,null,5,2,null,null,null,null,null,4,null,null,null,null,5,null,null,null,null,null,null,1,null,2,null,null,null,1,null,null,null,null,null,7,null,null,null,8,null,null,null,1,null,null,3,null,6,8,null,null],"solution":[3,0,2,1,8,4,6,5,7,7,5,1,6,3,2,4,0,8,4,8,6,5,7,0,2,3,1,8,6,3,7,0,1,5,2,4,0,1,7,2,4,5,3,8,6,5,2,4,8,6,3,7,1,0,2,3,8,4,1,7,0,6,5,6,7,5,0,2,8,1,4,3,1,4,0,3,5,6,8,7,2]}
-PUZZLE:
-_ 1 _  _ 9 5  7 _ _
-_ _ _  _ _ _  5 1 _
-_ 9 _  6 8 _  _ _ _
-
-_ _ 4  _ _ _  6 3 _
-_ _ _  _ 5 _  _ _ _
-6 _ _  _ _ _  _ 2 _
-
-3 _ _  _ 2 _  _ _ _
-_ 8 _  _ _ 9  _ _ _
-2 _ _  4 _ 7  9 _ _
-
-SOLUTION:
-4 1 3  2 9 5  7 6 8
-8 6 2  7 4 3  5 1 9
-5 9 7  6 8 1  3 4 2
-
-9 7 4  8 1 2  6 3 5
-1 2 8  3 5 6  4 9 7
-6 3 5  9 7 4  8 2 1
-
-3 4 9  5 2 8  1 7 6
-7 8 6  1 3 9  2 5 4
-2 5 1  4 6 7  9 8 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,7,null,null,5,null,2,null,null,null,0,null,null,null,8,6,null,null,null,3,6,null,7,null,null,null,1,null,null,null,null,2,null,null,6,null,null,null,2,null,4,null,null,null,null,null,null,1,null,null,6,null,null,null,3,null,null,null,null,null,1,4,null,8,null,null,null,null,1,null,7,null,null,null,5,null,null,7,null,8,null],"solution":[1,7,8,6,5,0,2,3,4,2,0,4,3,1,8,6,5,7,5,3,6,2,7,4,8,0,1,0,4,3,1,2,5,7,6,8,6,8,2,7,4,3,0,1,5,7,5,1,8,0,6,4,2,3,3,6,7,5,8,2,1,4,0,8,2,0,4,3,1,5,7,6,4,1,5,0,6,7,3,8,2]}
-PUZZLE:
-_ 8 _  _ 6 _  3 _ _
-_ 1 _  _ _ 9  7 _ _
-_ 4 7  _ 8 _  _ _ 2
-
-_ _ _  _ 3 _  _ 7 _
-_ _ 3  _ 5 _  _ _ _
-_ _ 2  _ _ 7  _ _ _
-
-4 _ _  _ _ _  2 5 _
-9 _ _  _ _ 2  _ 8 _
-_ _ 6  _ _ 8  _ 9 _
-
-SOLUTION:
-2 8 9  7 6 1  3 4 5
-3 1 5  4 2 9  7 6 8
-6 4 7  3 8 5  9 1 2
-
-1 5 4  2 3 6  8 7 9
-7 9 3  8 5 4  1 2 6
-8 6 2  9 1 7  5 3 4
-
-4 7 8  6 9 3  2 5 1
-9 3 1  5 4 2  6 8 7
-5 2 6  1 7 8  4 9 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,null,6,null,null,null,null,4,null,null,null,null,null,null,2,6,null,5,null,null,null,0,null,null,null,3,null,null,null,null,null,null,null,3,null,null,null,3,0,null,4,null,1,null,null,5,0,null,null,null,null,null,null,null,7,null,null,3,null,null,null,6,3,null,1,4,null,6,5,null,null,null,8,null,null,7,null,null,null,null],"solution":[2,0,7,6,1,3,8,5,4,1,3,8,7,4,5,2,6,0,5,4,6,2,0,8,1,7,3,4,1,2,8,6,7,0,3,5,8,6,3,0,5,4,7,1,2,7,5,0,3,2,1,6,4,8,0,7,5,1,3,2,4,8,6,3,2,1,4,8,6,5,0,7,6,8,4,5,7,0,3,2,1]}
-PUZZLE:
-_ 1 _  7 _ _  _ _ 5
-_ _ _  _ _ _  3 7 _
-6 _ _  _ 1 _  _ _ 4
-
-_ _ _  _ _ _  _ 4 _
-_ _ 4  1 _ 5  _ 2 _
-_ 6 1  _ _ _  _ _ _
-
-_ 8 _  _ 4 _  _ _ 7
-4 _ 2  5 _ 7  6 _ _
-_ 9 _  _ 8 _  _ _ _
-
-SOLUTION:
-3 1 8  7 2 4  9 6 5
-2 4 9  8 5 6  3 7 1
-6 5 7  3 1 9  2 8 4
-
-5 2 3  9 7 8  1 4 6
-9 7 4  1 6 5  8 2 3
-8 6 1  4 3 2  7 5 9
-
-1 8 6  2 4 3  5 9 7
-4 3 2  5 9 7  6 1 8
-7 9 5  6 8 1  4 3 2
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,null,4,1,null,6,null,null,null,null,null,null,3,null,null,7,5,4,null,null,null,null,null,null,null,null,8,null,null,2,null,null,null,null,null,null,null,null,null,6,null,0,1,null,6,1,null,null,null,null,null,null,7,null,null,null,null,2,null,null,5,3,0,null,null,1,null,6,null,null,null,null,null,2,null,null,4,7,null,null],"solution":[5,3,8,4,1,7,6,0,2,2,0,1,6,3,8,4,7,5,4,6,7,5,0,2,3,8,1,8,7,0,2,4,1,5,3,6,3,2,4,7,6,5,0,1,8,6,1,5,0,8,3,2,4,7,7,4,6,8,2,0,1,5,3,0,5,3,1,7,6,8,2,4,1,8,2,3,5,4,7,6,0]}
-PUZZLE:
-6 _ _  5 2 _  7 _ _
-_ _ _  _ 4 _  _ 8 6
-5 _ _  _ _ _  _ _ _
-
-9 _ _  3 _ _  _ _ _
-_ _ _  _ 7 _  1 2 _
-7 2 _  _ _ _  _ _ 8
-
-_ _ _  _ 3 _  _ 6 4
-1 _ _  2 _ 7  _ _ _
-_ _ 3  _ _ 5  8 _ _
-
-SOLUTION:
-6 4 9  5 2 8  7 1 3
-3 1 2  7 4 9  5 8 6
-5 7 8  6 1 3  4 9 2
-
-9 8 1  3 5 2  6 4 7
-4 3 5  8 7 6  1 2 9
-7 2 6  1 9 4  3 5 8
-
-8 5 7  9 3 1  2 6 4
-1 6 4  2 8 7  9 3 5
-2 9 3  4 6 5  8 7 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,8,null,null,null,0,4,null,1,4,null,null,null,null,null,null,5,null,null,null,null,null,null,null,0,null,2,5,null,null,null,4,null,null,null,null,null,null,1,null,null,8,null,7,null,null,null,null,2,1,6,null,null,null,null,6,null,null,null,null,7,null,null,2,null,5,6,null,null,null,null,4,null,null,null,1,3,null,5,null,null],"solution":[7,8,2,3,5,0,4,6,1,4,1,0,8,6,2,3,5,7,3,5,6,4,7,1,0,8,2,5,2,8,7,4,3,6,1,0,6,4,1,5,0,8,2,7,3,0,7,3,2,1,6,8,4,5,1,6,4,0,2,5,7,3,8,2,3,5,6,8,7,1,0,4,8,0,7,1,3,4,5,2,6]}
-PUZZLE:
-_ 9 _  _ _ 1  5 _ 2
-5 _ _  _ _ _  _ 6 _
-_ _ _  _ _ _  1 _ 3
-
-6 _ _  _ 5 _  _ _ _
-_ _ 2  _ _ 9  _ 8 _
-_ _ _  3 2 7  _ _ _
-
-_ 7 _  _ _ _  8 _ _
-3 _ 6  7 _ _  _ _ 5
-_ _ _  2 4 _  6 _ _
-
-SOLUTION:
-8 9 3  4 6 1  5 7 2
-5 2 1  9 7 3  4 6 8
-4 6 7  5 8 2  1 9 3
-
-6 3 9  8 5 4  7 2 1
-7 5 2  6 1 9  3 8 4
-1 8 4  3 2 7  9 5 6
-
-2 7 5  1 3 6  8 4 9
-3 4 6  7 9 8  2 1 5
-9 1 8  2 4 5  6 3 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[0,null,6,null,3,null,null,null,null,null,5,8,null,2,null,null,1,null,null,null,null,null,null,null,7,0,null,null,3,null,null,null,null,5,7,null,null,8,null,6,null,null,null,null,null,null,null,null,null,null,3,2,null,null,null,null,1,null,null,null,null,null,null,null,null,3,5,null,4,null,null,1,6,null,null,null,7,2,null,null,null],"solution":[0,1,6,7,3,5,8,4,2,7,5,8,4,2,0,6,1,3,3,4,2,8,1,6,7,0,5,4,3,0,2,8,1,5,7,6,2,8,5,6,4,7,1,3,0,1,6,7,0,5,3,2,8,4,5,2,1,3,0,8,4,6,7,8,7,3,5,6,4,0,2,1,6,0,4,1,7,2,3,5,8]}
-PUZZLE:
-1 _ 7  _ 4 _  _ _ _
-_ 6 9  _ 3 _  _ 2 _
-_ _ _  _ _ _  8 1 _
-
-_ 4 _  _ _ _  6 8 _
-_ 9 _  7 _ _  _ _ _
-_ _ _  _ _ 4  3 _ _
-
-_ _ 2  _ _ _  _ _ _
-_ _ 4  6 _ 5  _ _ 2
-7 _ _  _ 8 3  _ _ _
-
-SOLUTION:
-1 2 7  8 4 6  9 5 3
-8 6 9  5 3 1  7 2 4
-4 5 3  9 2 7  8 1 6
-
-5 4 1  3 9 2  6 8 7
-3 9 6  7 5 8  2 4 1
-2 7 8  1 6 4  3 9 5
-
-6 3 2  4 1 9  5 7 8
-9 8 4  6 7 5  1 3 2
-7 1 5  2 8 3  4 6 9
-
-RATING: 3
-DATA:
-{"puzzle":[null,7,5,null,null,3,8,null,null,1,null,null,null,0,2,6,null,null,null,null,null,5,null,null,null,7,null,null,null,7,null,null,null,4,3,null,null,null,null,null,null,null,null,null,8,null,null,null,2,null,6,null,null,null,3,null,null,null,null,5,null,null,6,4,null,null,null,1,null,null,null,3,null,null,null,0,null,null,null,1,null],"solution":[0,7,5,4,6,3,8,2,1,1,8,3,7,0,2,6,5,4,2,4,6,5,8,1,3,7,0,6,0,7,1,5,8,4,3,2,5,2,4,3,7,0,1,6,8,8,3,1,2,4,6,5,0,7,3,1,0,8,2,5,7,4,6,4,5,2,6,1,7,0,8,3,7,6,8,0,3,4,2,1,5]}
-PUZZLE:
-_ 8 6  _ _ 4  9 _ _
-2 _ _  _ 1 3  7 _ _
-_ _ _  6 _ _  _ 8 _
-
-_ _ 8  _ _ _  5 4 _
-_ _ _  _ _ _  _ _ 9
-_ _ _  3 _ 7  _ _ _
-
-4 _ _  _ _ 6  _ _ 7
-5 _ _  _ 2 _  _ _ 4
+4 _ _  6 _ 9  _ _ _
+_ 7 5  _ _ _  _ 4 _
 _ _ _  1 _ _  _ 2 _
 
 SOLUTION:
-1 8 6  5 7 4  9 3 2
-2 9 4  8 1 3  7 6 5
-3 5 7  6 9 2  4 8 1
+5 2 6  9 1 7  3 8 4
+7 9 3  4 8 5  2 1 6
+1 8 4  2 6 3  5 9 7
 
-7 1 8  2 6 9  5 4 3
-6 3 5  4 8 1  2 7 9
-9 4 2  3 5 7  6 1 8
+8 3 7  5 9 1  4 6 2
+2 5 1  8 4 6  7 3 9
+6 4 9  7 3 2  1 5 8
 
-4 2 1  9 3 6  8 5 7
-5 6 3  7 2 8  1 9 4
-8 7 9  1 4 5  3 2 6
+4 1 2  6 5 9  8 7 3
+9 7 5  3 2 8  6 4 1
+3 6 8  1 7 4  9 2 5
 
 RATING: 2
 DATA:
-{"puzzle":[null,1,null,null,null,8,4,null,5,2,null,null,null,null,null,null,7,null,null,null,null,null,0,null,null,3,null,3,null,null,null,null,6,8,null,null,null,2,8,null,1,null,null,null,null,6,null,null,null,null,null,null,null,4,null,null,3,4,null,null,7,null,null,null,null,null,null,5,null,null,null,null,7,null,null,2,null,null,null,null,0],"solution":[0,1,6,3,7,8,4,2,5,2,3,5,6,4,1,0,7,8,4,8,7,5,0,2,1,3,6,3,4,0,7,2,6,8,5,1,5,2,8,0,1,4,3,6,7,6,7,1,8,3,5,2,0,4,1,5,3,4,6,0,7,8,2,8,0,2,1,5,7,6,4,3,7,6,4,2,8,3,5,1,0]}
+{"puzzle":[null,1,null,null,5,null,0,null,6,null,3,null,null,null,1,null,null,null,null,null,null,0,2,null,null,8,null,7,null,null,null,null,null,4,null,null,3,null,null,null,7,6,null,2,8,null,null,null,null,4,2,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,8,null,null,4,null,6,0,null,null,null,null,null,null,null],"solution":[2,1,7,4,5,8,0,3,6,0,3,8,7,6,1,2,5,4,4,5,6,0,2,3,7,8,1,7,2,5,8,1,0,4,6,3,3,4,0,5,7,6,1,2,8,8,6,1,3,4,2,5,0,7,5,8,3,1,0,4,6,7,2,1,7,2,6,8,5,3,4,0,6,0,4,2,3,7,8,1,5]}
 PUZZLE:
-_ 2 _  _ _ 9  5 _ 6
-3 _ _  _ _ _  _ 8 _
-_ _ _  _ 1 _  _ 4 _
+_ 2 _  _ 6 _  1 _ 7
+_ 4 _  _ _ 2  _ _ _
+_ _ _  1 3 _  _ 9 _
 
-4 _ _  _ _ 7  9 _ _
-_ 3 9  _ 2 _  _ _ _
-7 _ _  _ _ _  _ _ 5
+8 _ _  _ _ _  5 _ _
+4 _ _  _ 8 7  _ 3 9
+_ _ _  _ 5 3  _ _ _
 
-_ _ 4  5 _ _  8 _ _
-_ _ _  _ 6 _  _ _ _
-8 _ _  3 _ _  _ _ 1
+_ _ _  2 _ _  _ _ _
+_ _ _  _ 9 _  _ 5 _
+7 1 _  _ _ _  _ _ _
 
 SOLUTION:
-1 2 7  4 8 9  5 3 6
-3 4 6  7 5 2  1 8 9
-5 9 8  6 1 3  2 4 7
+3 2 8  5 6 9  1 4 7
+1 4 9  8 7 2  3 6 5
+5 6 7  1 3 4  8 9 2
 
-4 5 1  8 3 7  9 6 2
-6 3 9  1 2 5  4 7 8
-7 8 2  9 4 6  3 1 5
+8 3 6  9 2 1  5 7 4
+4 5 1  6 8 7  2 3 9
+9 7 2  4 5 3  6 1 8
 
-2 6 4  5 7 1  8 9 3
-9 1 3  2 6 8  7 5 4
-8 7 5  3 9 4  6 2 1
-
-RATING: 6.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,1,null,null,0,null,null,null,8,7,null,null,null,4,5,8,null,null,3,null,6,null,null,null,null,null,null,5,null,null,3,null,null,4,null,7,null,null,5,null,null,null,1,null,null,0,null,2,null,null,null,0,null,null,null,4,null,null,null,null,null,8,null,1,2,null,null,null,3,null,null,2,null,null,null,null],"solution":[7,6,3,5,4,2,1,8,0,0,1,2,6,8,7,3,4,5,4,5,8,1,0,3,7,6,2,2,8,6,4,1,5,0,7,3,3,0,4,2,7,8,6,5,1,5,7,1,3,6,0,8,2,4,1,2,0,7,5,6,4,3,8,6,4,5,8,3,1,2,0,7,8,3,7,0,2,4,5,1,6]}
-PUZZLE:
-_ _ _  _ _ _  2 _ _
-1 _ _  _ 9 8  _ _ _
-5 6 9  _ _ 4  _ 7 _
-
-_ _ _  _ _ 6  _ _ 4
-_ _ 5  _ 8 _  _ 6 _
-_ _ 2  _ _ 1  _ 3 _
-
-_ _ 1  _ _ _  5 _ _
-_ _ _  9 _ 2  3 _ _
-_ 4 _  _ 3 _  _ _ _
-
-SOLUTION:
-8 7 4  6 5 3  2 9 1
-1 2 3  7 9 8  4 5 6
-5 6 9  2 1 4  8 7 3
-
-3 9 7  5 2 6  1 8 4
-4 1 5  3 8 9  7 6 2
-6 8 2  4 7 1  9 3 5
-
-2 3 1  8 6 7  5 4 9
-7 5 6  9 4 2  3 1 8
-9 4 8  1 3 5  6 2 7
+6 9 4  2 1 5  7 8 3
+2 8 3  7 9 6  4 5 1
+7 1 5  3 4 8  9 2 6
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,3,8,null,6,null,6,null,null,null,null,null,3,2,null,null,null,null,null,null,null,null,5,8,null,5,null,null,null,null,null,null,null,3,null,4,2,6,null,null,null,5,null,null,1,null,4,null,null,null,null,8,0,null,1,null,7,4,null,null,null,null,null,null,null,null,null,null,null,null,7,3,null,5,null,null,1,null],"solution":[5,2,0,7,3,8,1,6,4,6,1,8,5,0,4,3,2,7,4,3,7,6,1,2,0,5,8,0,5,2,8,7,3,6,4,1,3,8,4,2,6,1,7,0,5,7,6,1,0,4,5,2,8,3,8,0,5,1,2,7,4,3,6,1,4,6,3,8,0,5,7,2,2,7,3,4,5,6,8,1,0]}
+{"puzzle":[null,null,4,null,6,1,null,null,null,null,2,null,null,0,null,null,null,5,null,null,null,null,null,null,3,null,1,2,8,null,null,null,null,null,3,null,null,null,null,null,7,null,null,null,null,6,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,5,null,null,4,0,5,null,8,null,null,2,7,null,null,2,null,null,null,4,null],"solution":[5,3,4,8,6,1,2,0,7,1,2,8,7,0,3,4,6,5,0,6,7,4,2,5,3,8,1,2,8,1,0,5,6,7,3,4,4,0,5,3,7,2,8,1,6,6,7,3,1,8,4,5,2,0,8,1,2,6,4,7,0,5,3,3,4,0,5,1,8,6,7,2,7,5,6,2,3,0,1,4,8]}
 PUZZLE:
-_ _ _  _ 4 9  _ 7 _
-7 _ _  _ _ _  4 3 _
-_ _ _  _ _ _  _ 6 9
+_ _ 5  _ 7 2  _ _ _
+_ 3 _  _ 1 _  _ _ 6
+_ _ _  _ _ _  4 _ 2
 
-_ 6 _  _ _ _  _ _ _
-4 _ 5  3 7 _  _ _ 6
-_ _ 2  _ 5 _  _ _ _
-
-9 1 _  2 _ 8  5 _ _
-_ _ _  _ _ _  _ _ _
-_ 8 4  _ 6 _  _ 2 _
-
-SOLUTION:
-6 3 1  8 4 9  2 7 5
-7 2 9  6 1 5  4 3 8
-5 4 8  7 2 3  1 6 9
-
-1 6 3  9 8 4  7 5 2
-4 9 5  3 7 2  8 1 6
-8 7 2  1 5 6  3 9 4
-
-9 1 6  2 3 8  5 4 7
-2 5 7  4 9 1  6 8 3
-3 8 4  5 6 7  9 2 1
-
-RATING: 0
-DATA:
-{"puzzle":[8,null,null,3,0,null,null,null,null,5,null,null,null,6,null,2,null,null,null,null,null,null,1,null,4,0,null,4,null,3,null,null,8,1,null,null,null,null,7,null,null,null,null,null,6,null,5,null,7,null,null,null,null,2,3,null,null,null,null,null,0,null,null,null,null,null,0,null,null,null,null,8,null,null,6,null,null,3,5,null,null],"solution":[8,1,4,3,0,2,7,6,5,5,3,0,4,6,7,2,8,1,6,7,2,8,1,5,4,0,3,4,6,3,5,2,8,1,7,0,2,8,7,1,4,0,3,5,6,0,5,1,7,3,6,8,4,2,3,4,8,6,5,1,0,2,7,1,2,5,0,7,4,6,3,8,7,0,6,2,8,3,5,1,4]}
-PUZZLE:
-9 _ _  4 1 _  _ _ _
-6 _ _  _ 7 _  3 _ _
-_ _ _  _ 2 _  5 1 _
-
-5 _ 4  _ _ 9  2 _ _
-_ _ 8  _ _ _  _ _ 7
-_ 6 _  8 _ _  _ _ 3
-
-4 _ _  _ _ _  1 _ _
-_ _ _  1 _ _  _ _ 9
-_ _ 7  _ _ 4  6 _ _
-
-SOLUTION:
-9 2 5  4 1 3  8 7 6
-6 4 1  5 7 8  3 9 2
-7 8 3  9 2 6  5 1 4
-
-5 7 4  6 3 9  2 8 1
-3 9 8  2 5 1  4 6 7
-1 6 2  8 4 7  9 5 3
-
-4 5 9  7 6 2  1 3 8
-2 3 6  1 8 5  7 4 9
-8 1 7  3 9 4  6 2 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,0,null,null,null,null,null,4,null,8,null,null,null,3,1,0,null,null,null,null,6,null,null,7,null,null,null,null,8,null,null,null,null,6,3,5,null,7,null,8,null,null,null,null,0,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,7,6,null,null,null,null,null,null,2,3,4,null,1,7,null,null,null,null],"solution":[2,7,0,8,1,5,6,3,4,6,8,4,7,2,3,1,0,5,1,5,3,6,4,0,7,2,8,4,1,8,2,0,7,5,6,3,5,3,7,4,8,6,2,1,0,0,2,6,3,5,1,8,4,7,8,0,2,5,6,4,3,7,1,7,6,1,0,3,8,4,5,2,3,4,5,1,7,2,0,8,6]}
-PUZZLE:
-_ _ 1  _ _ _  _ _ 5
-_ 9 _  _ _ 4  2 1 _
-_ _ _  7 _ _  8 _ _
-
-_ _ 9  _ _ _  _ 7 4
-6 _ 8  _ 9 _  _ _ _
-1 _ _  _ 6 _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-8 7 _  _ _ _  _ _ 3
-4 5 _  2 8 _  _ _ _
-
-SOLUTION:
-3 8 1  9 2 6  7 4 5
-7 9 5  8 3 4  2 1 6
-2 6 4  7 5 1  8 3 9
-
-5 2 9  3 1 8  6 7 4
-6 4 8  5 9 7  3 2 1
-1 3 7  4 6 2  9 5 8
-
-9 1 3  6 7 5  4 8 2
-8 7 2  1 4 9  5 6 3
-4 5 6  2 8 3  1 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,null,null,null,null,null,null,6,7,null,null,8,null,2,null,null,null,1,null,null,2,null,4,null,null,null,8,null,5,null,null,null,null,0,null,null,2,null,null,null,7,null,null,1,4,null,null,null,null,0,null,null,null,null,null,8,null,5,3,7,5,null,null,4,null,1,null,null,null,null,null,null,null,7,null,null,null,null],"solution":[2,8,0,6,4,3,7,5,1,4,6,7,5,1,8,0,2,3,3,5,1,7,0,2,8,4,6,7,2,8,1,5,0,3,6,4,0,3,5,2,6,4,1,7,8,6,1,4,8,3,7,2,0,5,1,4,2,0,8,6,5,3,7,5,7,3,4,2,1,6,8,0,8,0,6,3,7,5,4,1,2]}
-PUZZLE:
-_ _ _  7 _ _  _ _ _
-_ 7 8  _ _ 9  _ 3 _
-_ _ 2  _ _ 3  _ 5 _
-
-_ _ 9  _ 6 _  _ _ _
-1 _ _  3 _ _  _ 8 _
-_ 2 5  _ _ _  _ 1 _
-
-_ _ _  _ 9 _  6 4 8
-6 _ _  5 _ 2  _ _ _
+3 9 _  _ _ _  _ 4 _
 _ _ _  _ 8 _  _ _ _
+7 _ _  _ _ _  _ _ 1
+
+_ _ _  _ _ _  _ 6 _
+_ 5 1  6 _ 9  _ _ 3
+8 _ _  3 _ _  _ 5 _
 
 SOLUTION:
-3 9 1  7 5 4  8 6 2
-5 7 8  6 2 9  1 3 4
-4 6 2  8 1 3  9 5 7
+6 4 5  9 7 2  3 1 8
+2 3 9  8 1 4  5 7 6
+1 7 8  5 3 6  4 9 2
 
-8 3 9  2 6 1  4 7 5
-1 4 6  3 7 5  2 8 9
-7 2 5  9 4 8  3 1 6
+3 9 2  1 6 7  8 4 5
+5 1 6  4 8 3  9 2 7
+7 8 4  2 9 5  6 3 1
 
-2 5 3  1 9 7  6 4 8
-6 8 4  5 3 2  7 9 1
-9 1 7  4 8 6  5 2 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,null,7,0,null,null,null,null,null,8,5,null,6,null,null,null,null,6,null,4,null,null,null,0,null,4,null,null,7,null,5,1,null,null,null,null,2,null,null,null,null,null,8,3,null,null,6,null,null,4,null,null,null,null,null,null,4,null,6,null,3,1,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,8,7],"solution":[5,2,4,8,7,0,3,6,1,0,3,8,5,1,6,2,7,4,7,6,1,4,2,3,8,0,5,4,8,0,7,3,5,1,2,6,6,5,2,1,0,4,7,3,8,3,1,7,6,8,2,4,5,0,8,0,5,2,4,7,6,1,3,1,7,3,0,6,8,5,4,2,2,4,6,3,5,1,0,8,7]}
-PUZZLE:
-_ 3 _  _ 8 1  _ _ _
-_ _ 9  6 _ 7  _ _ _
-_ 7 _  5 _ _  _ 1 _
-
-5 _ _  8 _ 6  2 _ _
-_ _ 3  _ _ _  _ _ 9
-4 _ _  7 _ _  5 _ _
-
-_ _ _  _ 5 _  7 _ 4
-2 _ _  _ _ _  _ _ _
-_ _ _  4 _ _  _ 9 8
-
-SOLUTION:
-6 3 5  9 8 1  4 7 2
-1 4 9  6 2 7  3 8 5
-8 7 2  5 3 4  9 1 6
-
-5 9 1  8 4 6  2 3 7
-7 6 3  2 1 5  8 4 9
-4 2 8  7 9 3  5 6 1
-
-9 1 6  3 5 8  7 2 4
-2 8 4  1 7 9  6 5 3
-3 5 7  4 6 2  1 9 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,4,1,6,7,null,0,null,null,3,6,7,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,5,null,null,8,0,null,null,1,7,1,null,2,3,null,6,null,null,null,null,null,null,null,null,null,6,null,2,null,null,0,null,null,null,7,null,8,null,null,null,2,null,null,null,3,null],"solution":[2,0,5,1,4,8,3,7,6,8,4,1,6,7,3,0,2,5,3,6,7,0,2,5,1,8,4,0,8,4,7,1,2,5,6,3,5,3,6,8,0,4,2,1,7,1,7,2,3,5,6,8,4,0,4,1,3,5,8,7,6,0,2,6,2,0,4,3,1,7,5,8,7,5,8,2,6,0,4,3,1]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 5 2  7 8 _  1 _ _
-4 7 8  _ _ _  2 _ _
-
-_ _ _  _ _ _  _ _ _
-6 _ _  9 1 _  _ 2 8
-2 _ 3  4 _ 7  _ _ _
-
-_ _ _  _ _ _  7 _ 3
-_ _ 1  _ _ _  8 _ 9
-_ _ _  3 _ _  _ 4 _
-
-SOLUTION:
-3 1 6  2 5 9  4 8 7
-9 5 2  7 8 4  1 3 6
-4 7 8  1 3 6  2 9 5
-
-1 9 5  8 2 3  6 7 4
-6 4 7  9 1 5  3 2 8
-2 8 3  4 6 7  9 5 1
-
-5 2 4  6 9 8  7 1 3
-7 3 1  5 4 2  8 6 9
-8 6 9  3 7 1  5 4 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,8,null,null,null,null,null,3,null,null,null,null,0,null,null,7,null,null,null,null,null,null,null,2,null,null,null,null,5,0,5,null,null,3,null,null,1,null,null,null,6,null,1,null,null,2,null,7,null,null,null,6,null,0,null,null,null,6,null,null,null,null,8,null,null,8,null,null,1,0,null,7,null,6],"solution":[3,4,1,0,2,6,5,7,8,6,2,7,5,8,3,1,0,4,5,0,8,4,7,1,2,6,3,1,7,3,2,4,0,6,8,5,0,5,2,6,3,8,4,1,7,4,8,6,7,1,5,3,2,0,7,1,5,8,6,4,0,3,2,2,6,0,3,5,7,8,4,1,8,3,4,1,0,2,7,5,6]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ 9
-_ _ _  _ _ 4  _ _ _
-_ 1 _  _ 8 _  _ _ _
-
-_ _ _  3 _ _  _ _ 6
-1 6 _  _ 4 _  _ 2 _
-_ _ 7  _ 2 _  _ 3 _
-
-8 _ _  _ 7 _  1 _ _
-_ 7 _  _ _ _  9 _ _
-9 _ _  2 1 _  8 _ 7
-
-SOLUTION:
-4 5 2  1 3 7  6 8 9
-7 3 8  6 9 4  2 1 5
-6 1 9  5 8 2  3 7 4
-
-2 8 4  3 5 1  7 9 6
-1 6 3  7 4 9  5 2 8
-5 9 7  8 2 6  4 3 1
-
-8 2 6  9 7 5  1 4 3
-3 7 1  4 6 8  9 5 2
-9 4 5  2 1 3  8 6 7
-
-RATING: 1
-DATA:
-{"puzzle":[5,null,6,4,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,3,1,null,null,6,null,null,7,null,null,null,null,null,null,8,null,0,null,null,null,6,null,7,null,2,null,3,null,null,8,null,null,7,null,1,null,null,7,null,null,null,6,1,null,null,null,null,null,5,0,null,null,null,2,8,null,null,null,null,4,null,null],"solution":[5,0,6,4,7,2,1,8,3,7,2,8,5,1,3,0,4,6,4,3,1,0,8,6,2,5,7,6,7,5,1,2,4,8,3,0,8,1,0,6,3,7,5,2,4,3,4,2,8,0,5,7,6,1,0,5,7,3,4,8,6,1,2,1,6,4,2,5,0,3,7,8,2,8,3,7,6,1,4,0,5]}
-PUZZLE:
-6 _ 7  5 8 _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ 4 2  _ _ 7  _ _ 8
-
-_ _ _  _ _ _  9 _ 1
-_ _ _  7 _ 8  _ 3 _
-4 _ _  9 _ _  8 _ 2
-
-_ _ 8  _ _ _  7 2 _
-_ _ _  _ 6 1  _ _ _
-3 9 _  _ _ _  5 _ _
-
-SOLUTION:
-6 1 7  5 8 3  2 9 4
-8 3 9  6 2 4  1 5 7
-5 4 2  1 9 7  3 6 8
-
-7 8 6  2 3 5  9 4 1
-9 2 1  7 4 8  6 3 5
-4 5 3  9 1 6  8 7 2
-
-1 6 8  4 5 9  7 2 3
-2 7 5  3 6 1  4 8 9
-3 9 4  8 7 2  5 1 6
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,8,null,null,null,2,null,1,null,null,null,null,3,6,null,null,null,2,null,5,null,null,null,null,0,null,5,null,null,null,null,null,4,null,null,null,4,null,3,0,null,null,null,null,null,null,1,null,null,3,null,null,2,6,null,null,null,4,null,null,null,null,null,8,null,null,null,null,null,1,null,7,null,3,6,null,null,null,null],"solution":[5,4,6,8,0,1,7,2,3,1,0,7,4,2,3,6,8,5,8,2,3,5,7,6,4,1,0,3,5,0,6,8,7,1,4,2,6,1,4,2,3,0,5,7,8,7,8,2,1,4,5,3,0,6,2,6,5,0,1,4,8,3,7,4,3,8,7,5,2,0,6,1,0,7,1,3,6,8,2,5,4]}
-PUZZLE:
-_ _ _  9 _ _  _ 3 _
-2 _ _  _ _ 4  7 _ _
-_ 3 _  6 _ _  _ _ 1
-
-_ 6 _  _ _ _  _ 5 _
-_ _ 5  _ 4 1  _ _ _
-_ _ _  2 _ _  4 _ _
-
-3 7 _  _ _ 5  _ _ _
-_ _ 9  _ _ _  _ _ 2
-_ 8 _  4 7 _  _ _ _
-
-SOLUTION:
-6 5 7  9 1 2  8 3 4
-2 1 8  5 3 4  7 9 6
-9 3 4  6 8 7  5 2 1
-
-4 6 1  7 9 8  2 5 3
-7 2 5  3 4 1  6 8 9
-8 9 3  2 5 6  4 1 7
-
-3 7 6  1 2 5  9 4 8
-5 4 9  8 6 3  1 7 2
-1 8 2  4 7 9  3 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,2,null,3,null,null,null,null,4,null,null,null,2,8,null,null,null,8,null,null,4,null,null,null,6,null,null,null,5,null,null,6,null,null,4,null,4,null,null,0,null,null,2,6,6,null,null,5,null,null,null,null,null,7,null,1,null,null,null,3,null,null,null,null,null,0,null,null,7,8,null,0,null,null,8,null,null,null,null,null],"solution":[5,1,2,6,3,0,4,7,8,4,6,3,7,2,8,1,0,5,8,0,7,4,5,1,2,6,3,2,7,5,1,8,6,0,3,4,1,4,8,3,0,7,5,2,6,6,3,0,5,4,2,8,1,7,7,8,1,2,6,5,3,4,0,3,5,6,0,1,4,7,8,2,0,2,4,8,7,3,6,5,1]}
-PUZZLE:
-_ 2 3  _ 4 _  _ _ _
-5 _ _  _ 3 9  _ _ _
-9 _ _  5 _ _  _ 7 _
-
-_ _ 6  _ _ 7  _ _ 5
-_ 5 _  _ 1 _  _ 3 7
-7 _ _  6 _ _  _ _ _
-
-8 _ 2  _ _ _  4 _ _
-_ _ _  1 _ _  8 9 _
-1 _ _  9 _ _  _ _ _
-
-SOLUTION:
-6 2 3  7 4 1  5 8 9
-5 7 4  8 3 9  2 1 6
-9 1 8  5 6 2  3 7 4
-
-3 8 6  2 9 7  1 4 5
-2 5 9  4 1 8  6 3 7
-7 4 1  6 5 3  9 2 8
-
-8 9 2  3 7 6  4 5 1
-4 6 7  1 2 5  8 9 3
-1 3 5  9 8 4  7 6 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,3,null,null,null,null,null,null,null,null,7,0,null,null,8,5,3,null,8,null,null,1,null,null,2,null,null,null,4,2,3,null,null,7,1,null,null,null,null,null,null,null,null,null,null,0,null,null,6,5,null,null,null,null,null,null,5,null,null,null,null,null,8,3,null,null,8,null,null,null,2,null,null,null,null,null,null,7,null,null,6],"solution":[2,3,1,5,7,4,8,6,0,4,7,0,2,6,8,5,3,1,8,5,6,1,0,3,2,7,4,6,4,2,3,8,0,7,1,5,5,8,3,7,4,1,6,0,2,0,1,7,6,5,2,4,8,3,7,2,5,0,3,6,1,4,8,3,6,4,8,1,5,0,2,7,1,0,8,4,2,7,3,5,6]}
-PUZZLE:
-_ 4 _  _ _ _  _ _ _
-_ 8 1  _ _ 9  6 4 _
-9 _ _  2 _ _  3 _ _
-
-_ 5 3  4 _ _  8 2 _
-_ _ _  _ _ _  _ _ _
-1 _ _  7 6 _  _ _ _
-
-_ _ 6  _ _ _  _ _ 9
-4 _ _  9 _ _  _ 3 _
-_ _ _  _ _ 8  _ _ 7
-
-SOLUTION:
-3 4 2  6 8 5  9 7 1
-5 8 1  3 7 9  6 4 2
-9 6 7  2 1 4  3 8 5
-
-7 5 3  4 9 1  8 2 6
-6 9 4  8 5 2  7 1 3
-1 2 8  7 6 3  5 9 4
-
-8 3 6  1 4 7  2 5 9
-4 7 5  9 2 6  1 3 8
-2 1 9  5 3 8  4 6 7
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,5,4,6,null,null,null,null,6,null,null,null,null,null,null,null,7,2,3,null,null,1,null,null,null,2,null,null,1,null,4,null,3,null,null,0,null,null,null,null,6,null,5,null,null,null,null,null,null,0,null,0,1,5,null,null,null,null,null,null,8,null,null,2,6,null,3,null,2,null,null,null,null,4,null,null,null],"solution":[8,2,0,7,1,5,4,6,3,5,1,3,6,4,8,2,0,7,6,4,7,2,3,0,8,1,5,0,6,2,3,5,1,7,4,8,3,7,4,0,8,2,1,5,6,1,5,8,4,6,7,3,2,0,4,0,1,5,7,3,6,8,2,7,8,5,1,2,6,0,3,4,2,3,6,8,0,4,5,7,1]}
-PUZZLE:
-_ _ _  _ _ 6  5 7 _
-_ _ _  7 _ _  _ _ _
-_ _ 8  3 4 _  _ 2 _
-
-_ _ 3  _ _ 2  _ 5 _
-4 _ _  1 _ _  _ _ 7
-_ 6 _  _ _ _  _ _ 1
-
-_ 1 2  6 _ _  _ _ _
-_ 9 _  _ 3 7  _ 4 _
-3 _ _  _ _ 5  _ _ _
-
-SOLUTION:
-9 3 1  8 2 6  5 7 4
-6 2 4  7 5 9  3 1 8
-7 5 8  3 4 1  9 2 6
-
-1 7 3  4 6 2  8 5 9
-4 8 5  1 9 3  2 6 7
-2 6 9  5 7 8  4 3 1
-
-5 1 2  6 8 4  7 9 3
-8 9 6  2 3 7  1 4 5
-3 4 7  9 1 5  6 8 2
-
-RATING: 1
-DATA:
-{"puzzle":[4,null,null,6,null,7,null,null,null,null,null,2,null,null,5,null,null,8,null,null,null,null,0,null,null,null,7,6,null,null,null,null,null,null,null,null,null,3,5,null,null,null,1,null,null,null,1,null,null,null,3,null,null,null,null,null,null,null,null,2,null,7,4,null,7,null,null,5,null,null,0,null,0,null,null,null,null,4,6,8,null],"solution":[4,0,8,6,3,7,5,1,2,7,6,2,1,4,5,0,3,8,1,5,3,2,0,8,4,6,7,6,4,0,5,8,1,7,2,3,8,3,5,7,2,0,1,4,6,2,1,7,4,6,3,8,5,0,5,8,6,0,1,2,3,7,4,3,7,4,8,5,6,2,0,1,0,2,1,3,7,4,6,8,5]}
-PUZZLE:
-5 _ _  7 _ 8  _ _ _
-_ _ 3  _ _ 6  _ _ 9
-_ _ _  _ 1 _  _ _ 8
-
-7 _ _  _ _ _  _ _ _
-_ 4 6  _ _ _  2 _ _
-_ 2 _  _ _ 4  _ _ _
-
-_ _ _  _ _ 3  _ 8 5
-_ 8 _  _ 6 _  _ 1 _
-1 _ _  _ _ 5  7 9 _
-
-SOLUTION:
-5 1 9  7 4 8  6 2 3
-8 7 3  2 5 6  1 4 9
-2 6 4  3 1 9  5 7 8
-
-7 5 1  6 9 2  8 3 4
-9 4 6  8 3 1  2 5 7
-3 2 8  5 7 4  9 6 1
-
-6 9 7  1 2 3  4 8 5
-4 8 5  9 6 7  3 1 2
-1 3 2  4 8 5  7 9 6
+9 2 3  7 5 8  1 6 4
+4 5 1  6 2 9  7 8 3
+8 6 7  3 4 1  2 5 9
 
 RATING: 2.5
 DATA:
-{"puzzle":[3,null,4,0,null,null,7,null,null,null,null,6,3,null,5,null,null,null,null,null,7,8,null,null,1,null,null,0,3,null,6,null,2,null,null,null,null,1,null,null,0,null,8,null,null,null,null,null,5,null,null,null,null,6,null,6,null,null,null,null,null,1,null,null,4,null,null,null,null,null,null,2,null,null,null,null,null,7,null,5,null],"solution":[3,8,4,0,2,1,7,6,5,1,0,6,3,7,5,2,4,8,2,5,7,8,6,4,1,0,3,0,3,8,6,4,2,5,7,1,6,1,5,7,0,3,8,2,4,4,7,2,5,1,8,0,3,6,5,6,3,2,8,0,4,1,7,7,4,0,1,5,6,3,8,2,8,2,1,4,3,7,6,5,0]}
+{"puzzle":[null,null,null,null,5,null,null,2,3,5,null,3,0,null,null,null,null,6,null,null,null,2,null,null,null,7,null,2,null,null,3,8,null,null,null,null,null,6,null,null,null,2,8,null,null,null,null,7,6,null,null,null,null,null,8,null,null,null,null,6,null,null,5,null,null,1,null,0,null,null,8,null,null,null,null,null,null,null,null,4,null],"solution":[6,7,8,4,5,1,0,2,3,5,2,3,0,7,8,4,1,6,4,1,0,2,6,3,5,7,8,2,0,4,3,8,5,1,6,7,1,6,5,7,4,2,8,3,0,3,8,7,6,1,0,2,5,4,8,4,2,1,3,6,7,0,5,7,3,1,5,0,4,6,8,2,0,5,6,8,2,7,3,4,1]}
 PUZZLE:
-4 _ 5  1 _ _  8 _ _
-_ _ 7  4 _ 6  _ _ _
-_ _ 8  9 _ _  2 _ _
+_ _ _  _ 6 _  _ 3 4
+6 _ 4  1 _ _  _ _ 7
+_ _ _  3 _ _  _ 8 _
 
-1 4 _  7 _ 3  _ _ _
-_ 2 _  _ 1 _  9 _ _
-_ _ _  6 _ _  _ _ 7
+3 _ _  4 9 _  _ _ _
+_ 7 _  _ _ 3  9 _ _
+_ _ 8  7 _ _  _ _ _
 
-_ 7 _  _ _ _  _ 2 _
-_ 5 _  _ _ _  _ _ 3
-_ _ _  _ _ 8  _ 6 _
+9 _ _  _ _ 7  _ _ 6
+_ _ 2  _ 1 _  _ 9 _
+_ _ _  _ _ _  _ 5 _
 
 SOLUTION:
-4 9 5  1 3 2  8 7 6
-2 1 7  4 8 6  3 5 9
-3 6 8  9 7 5  2 1 4
+7 8 9  5 6 2  1 3 4
+6 3 4  1 8 9  5 2 7
+5 2 1  3 7 4  6 8 9
 
-1 4 9  7 5 3  6 8 2
-7 2 6  8 1 4  9 3 5
-5 8 3  6 2 9  1 4 7
+3 1 5  4 9 6  2 7 8
+2 7 6  8 5 3  9 4 1
+4 9 8  7 2 1  3 6 5
 
-6 7 4  3 9 1  5 2 8
-8 5 1  2 6 7  4 9 3
-9 3 2  5 4 8  7 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,null,null,0,null,4,7,null,null,null,null,7,5,null,null,null,null,null,6,null,null,8,1,2,null,4,null,null,null,null,1,null,null,8,3,null,8,null,null,null,null,null,null,null,null,null,null,null,null,0,1,null,null,null,null,4,null,null,null,0,null,null,null,null,6,null,2,3,null,null,7,null,4,null,null,null,null,null,null],"solution":[2,5,3,1,6,0,8,4,7,8,4,1,2,7,5,6,3,0,0,7,6,3,4,8,1,2,5,4,0,2,5,3,1,7,6,8,3,1,8,7,0,6,4,5,2,5,6,7,8,2,4,0,1,3,6,3,5,4,8,7,2,0,1,1,8,0,6,5,2,3,7,4,7,2,4,0,1,3,5,8,6]}
-PUZZLE:
-_ 6 _  _ _ 1  _ 5 8
-_ _ _  _ 8 6  _ _ _
-_ _ 7  _ _ 9  2 3 _
-
-5 _ _  _ _ 2  _ _ 9
-4 _ 9  _ _ _  _ _ _
-_ _ _  _ _ _  1 2 _
-
-_ _ _  5 _ _  _ 1 _
-_ _ _  7 _ 3  4 _ _
-8 _ 5  _ _ _  _ _ _
-
-SOLUTION:
-3 6 4  2 7 1  9 5 8
-9 5 2  3 8 6  7 4 1
-1 8 7  4 5 9  2 3 6
-
-5 1 3  6 4 2  8 7 9
-4 2 9  8 1 7  5 6 3
-6 7 8  9 3 5  1 2 4
-
-7 4 6  5 9 8  3 1 2
-2 9 1  7 6 3  4 8 5
-8 3 5  1 2 4  6 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,3,1,null,null,null,null,null,null,null,null,null,null,null,0,null,8,4,2,null,null,null,null,null,null,null,null,8,null,null,2,null,8,null,1,null,4,null,null,null,6,null,7,2,null,null,null,null,1,null,null,null,null,1,null,null,0,null,3,null,6,5,null,null,null,7,null,null,null,null,null,7,null,4,null,null,2],"solution":[5,2,6,8,7,3,1,0,4,3,4,7,5,1,0,2,6,8,0,1,8,4,2,6,3,7,5,6,5,3,0,8,1,4,2,7,8,0,1,2,4,7,5,3,6,4,7,2,6,3,5,8,1,0,7,8,4,1,6,2,0,5,3,2,6,5,3,0,8,7,4,1,1,3,0,7,5,4,6,8,2]}
-PUZZLE:
-_ _ _  _ _ 4  2 _ _
-_ _ _  _ _ _  _ _ _
-1 _ 9  5 3 _  _ _ _
-
-_ _ _  _ 9 _  _ 3 _
-9 _ 2  _ 5 _  _ _ 7
-_ 8 3  _ _ _  _ 2 _
-
-_ _ _  2 _ _  1 _ 4
-_ 7 6  _ _ _  8 _ _
-_ _ _  8 _ 5  _ _ 3
-
-SOLUTION:
-6 3 7  9 8 4  2 1 5
-4 5 8  6 2 1  3 7 9
-1 2 9  5 3 7  4 8 6
-
-7 6 4  1 9 2  5 3 8
-9 1 2  3 5 8  6 4 7
-5 8 3  7 4 6  9 2 1
-
-8 9 5  2 7 3  1 6 4
-3 7 6  4 1 9  8 5 2
-2 4 1  8 6 5  7 9 3
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,null,null,null,2,null,null,null,5,null,3,null,0,null,1,null,null,3,8,null,null,null,null,null,null,null,8,3,null,null,null,null,7,null,null,null,null,6,null,3,null,null,1,null,1,null,null,8,null,null,6,0,null,6,7,null,null,null,null,null,null,8,null,null,null,5,null,0,null,null,null,null,null,null,null,4,5,null,null],"solution":[4,7,0,8,1,6,2,5,3,2,5,6,3,4,0,7,1,8,1,3,8,5,2,7,6,0,4,6,8,3,1,0,2,4,7,5,0,4,5,6,7,3,8,2,1,7,1,2,4,8,5,3,6,0,5,6,7,0,3,8,1,4,2,8,2,4,7,5,1,0,3,6,3,0,1,2,6,4,5,8,7]}
-PUZZLE:
-5 _ _  _ _ _  3 _ _
-_ 6 _  4 _ 1  _ 2 _
-_ 4 9  _ _ _  _ _ _
-
-_ 9 4  _ _ _  _ 8 _
-_ _ _  7 _ 4  _ _ 2
-_ 2 _  _ 9 _  _ 7 1
-
-_ 7 8  _ _ _  _ _ _
-9 _ _  _ 6 _  1 _ _
-_ _ _  _ _ 5  6 _ _
-
-SOLUTION:
-5 8 1  9 2 7  3 6 4
-3 6 7  4 5 1  8 2 9
-2 4 9  6 3 8  7 1 5
-
-7 9 4  2 1 3  5 8 6
-1 5 6  7 8 4  9 3 2
-8 2 3  5 9 6  4 7 1
-
-6 7 8  1 4 9  2 5 3
-9 3 5  8 6 2  1 4 7
-4 1 2  3 7 5  6 9 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,5,null,1,null,4,2,null,null,null,3,null,null,null,3,null,8,null,null,0,null,3,null,null,null,1,null,8,7,null,2,null,null,null,null,null,null,null,4,null,null,null,null,null,null,6,null,null,8,null,5,3,null,null,null,null,null,null,null,null,8,4,null,null,null,null,null,0,null,null,null,6,null,null,null],"solution":[0,2,8,7,3,4,1,5,6,1,5,4,2,6,0,7,3,8,6,7,3,1,8,5,4,0,2,3,4,6,0,1,2,8,7,5,2,8,7,6,5,3,0,1,4,5,1,0,4,7,8,6,2,3,8,6,5,3,0,7,2,4,1,7,3,2,8,4,1,5,6,0,4,0,1,5,2,6,3,8,7]}
-PUZZLE:
-_ _ _  8 _ _  _ 6 _
-2 _ 5  3 _ _  _ 4 _
-_ _ 4  _ 9 _  _ 1 _
-
-4 _ _  _ 2 _  9 8 _
-3 _ _  _ _ _  _ _ 5
-_ _ _  _ _ _  7 _ _
-
-9 _ 6  4 _ _  _ _ _
-_ _ _  9 5 _  _ _ _
-_ 1 _  _ _ 7  _ _ _
-
-SOLUTION:
-1 3 9  8 4 5  2 6 7
-2 6 5  3 7 1  8 4 9
-7 8 4  2 9 6  5 1 3
-
-4 5 7  1 2 3  9 8 6
-3 9 8  7 6 4  1 2 5
-6 2 1  5 8 9  7 3 4
-
-9 7 6  4 1 8  3 5 2
-8 4 3  9 5 2  6 7 1
-5 1 2  6 3 7  4 9 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,1,null,6,null,1,null,4,null,7,null,5,null,null,4,null,null,5,null,null,null,null,4,2,0,null,null,null,null,null,3,1,8,null,null,null,null,6,0,null,null,null,null,null,null,null,null,3,4,5,0,3,8,null,null,null,null,null,null,6,null,7,4,null,null,null,null,null,null,5,null,null,null,null,null],"solution":[5,0,3,6,2,7,8,1,4,6,2,1,8,4,0,7,3,5,8,7,4,1,3,5,6,0,2,7,4,2,0,6,3,5,8,1,3,1,8,7,5,2,4,6,0,0,6,5,4,1,8,2,7,3,4,5,0,3,8,6,1,2,7,1,3,6,2,7,4,0,5,8,2,8,7,5,0,1,3,4,6]}
-PUZZLE:
-_ _ _  _ _ _  _ 2 _
-7 _ 2  _ 5 _  8 _ 6
-_ _ 5  _ _ 6  _ _ _
-
-_ 5 3  1 _ _  _ _ _
-4 2 9  _ _ _  _ 7 1
-_ _ _  _ _ _  _ _ 4
-
-5 6 1  4 9 _  _ _ _
-_ _ 7  _ 8 5  _ _ _
-_ _ _  6 _ _  _ _ _
-
-SOLUTION:
-6 1 4  7 3 8  9 2 5
-7 3 2  9 5 1  8 4 6
-9 8 5  2 4 6  7 1 3
-
-8 5 3  1 7 4  6 9 2
-4 2 9  8 6 3  5 7 1
-1 7 6  5 2 9  3 8 4
-
-5 6 1  4 9 7  2 3 8
-2 4 7  3 8 5  1 6 9
-3 9 8  6 1 2  4 5 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[1,null,null,null,null,2,null,4,null,null,5,null,null,null,null,null,null,null,6,null,null,null,1,4,7,null,null,null,null,4,null,null,6,null,null,null,5,null,null,8,null,null,null,3,null,null,7,null,null,2,null,null,1,null,8,null,2,null,0,null,null,null,null,null,3,null,null,null,5,1,2,null,null,null,null,null,null,8,null,null,null],"solution":[1,8,7,6,5,2,3,4,0,4,5,0,7,8,3,2,6,1,6,2,3,0,1,4,7,8,5,2,0,4,1,3,6,8,5,7,5,6,1,8,4,7,0,3,2,3,7,8,5,2,0,6,1,4,8,4,2,3,0,1,5,7,6,0,3,6,4,7,5,1,2,8,7,1,5,2,6,8,4,0,3]}
-PUZZLE:
-2 _ _  _ _ 3  _ 5 _
-_ 6 _  _ _ _  _ _ _
-7 _ _  _ 2 5  8 _ _
-
-_ _ 5  _ _ 7  _ _ _
-6 _ _  9 _ _  _ 4 _
-_ 8 _  _ 3 _  _ 2 _
-
-9 _ 3  _ 1 _  _ _ _
-_ 4 _  _ _ 6  2 3 _
-_ _ _  _ _ 9  _ _ _
-
-SOLUTION:
-2 9 8  7 6 3  4 5 1
-5 6 1  8 9 4  3 7 2
-7 3 4  1 2 5  8 9 6
-
-3 1 5  2 4 7  9 6 8
-6 7 2  9 5 8  1 4 3
-4 8 9  6 3 1  7 2 5
-
-9 5 3  4 1 2  6 8 7
-1 4 7  5 8 6  2 3 9
-8 2 6  3 7 9  5 1 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,8,null,1,null,null,null,null,7,null,1,8,6,null,8,null,null,null,null,2,7,null,0,null,null,null,null,null,null,4,2,null,7,null,null,1,3,4,0,null,null,null,null,0,8,null,null,null,null,null,0,1,null,null,null,3,null,null,null,3,null,null,null,null,null,null,null,6,null,8,null,0,null,null,null,null,4],"solution":[6,0,7,5,4,8,2,1,3,4,2,3,7,0,1,8,6,5,8,5,1,3,6,2,7,4,0,1,3,8,6,5,0,4,2,7,7,6,2,1,3,4,0,5,8,5,4,0,8,2,7,6,3,1,0,1,6,4,7,3,5,8,2,3,7,4,2,8,5,1,0,6,2,8,5,0,1,6,3,7,4]}
-PUZZLE:
-_ _ _  _ _ 9  _ 2 _
-_ _ _  8 _ 2  9 7 _
-9 _ _  _ _ 3  8 _ 1
-
-_ _ _  _ _ _  5 3 _
-8 _ _  2 4 5  1 _ _
-_ _ 1  9 _ _  _ _ _
-
-1 2 _  _ _ 4  _ _ _
-4 _ _  _ _ _  _ _ 7
-_ 9 _  1 _ _  _ _ 5
-
-SOLUTION:
-7 1 8  6 5 9  3 2 4
-5 3 4  8 1 2  9 7 6
-9 6 2  4 7 3  8 5 1
-
-2 4 9  7 6 1  5 3 8
-8 7 3  2 4 5  1 6 9
-6 5 1  9 3 8  7 4 2
-
-1 2 7  5 8 4  6 9 3
-4 8 5  3 9 6  2 1 7
-3 9 6  1 2 7  4 8 5
+9 5 3  2 4 7  8 1 6
+8 4 2  6 1 5  7 9 3
+1 6 7  9 3 8  4 5 2
 
 RATING: 1.5
 DATA:
-{"puzzle":[null,1,null,7,null,null,null,null,3,2,null,0,null,null,null,null,null,null,null,null,null,1,3,null,null,8,5,3,8,1,null,null,null,null,0,null,null,7,null,null,null,null,5,3,null,null,null,5,null,1,null,null,null,null,null,null,null,6,null,null,2,null,null,null,null,6,null,null,0,null,5,7,null,null,null,null,7,null,null,null,4],"solution":[5,1,8,7,0,6,4,2,3,2,3,0,8,4,5,1,7,6,4,6,7,1,3,2,0,8,5,3,8,1,4,5,7,6,0,2,0,7,4,2,6,8,5,3,1,6,2,5,0,1,3,7,4,8,7,5,3,6,8,4,2,1,0,1,4,6,3,2,0,8,5,7,8,0,2,5,7,1,3,6,4]}
+{"puzzle":[null,null,null,0,null,4,null,3,null,null,null,null,7,null,null,null,null,8,null,null,0,null,null,null,1,null,null,null,null,null,6,2,8,7,null,null,6,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,8,1,null,5,2,null,null,3,null,null,null,8,null,null,5,7,null,null,0,null,0,null,null,null,null,6,null,null,2],"solution":[1,6,7,0,8,4,2,3,5,5,2,3,7,6,1,0,4,8,4,8,0,2,3,5,1,6,7,3,0,1,6,2,8,7,5,4,6,4,8,1,5,7,3,2,0,2,7,5,3,4,0,6,8,1,7,5,2,4,0,3,8,1,6,8,1,6,5,7,2,4,0,3,0,3,4,8,1,6,5,7,2]}
 PUZZLE:
-_ 2 _  8 _ _  _ _ 4
-3 _ 1  _ _ _  _ _ _
-_ _ _  2 4 _  _ 9 6
+_ _ _  1 _ 5  _ 4 _
+_ _ _  8 _ _  _ _ 9
+_ _ 1  _ _ _  2 _ _
 
-4 9 2  _ _ _  _ 1 _
-_ 8 _  _ _ _  6 4 _
-_ _ 6  _ 2 _  _ _ _
+_ _ _  7 3 9  8 _ _
+7 5 _  _ _ _  _ _ _
+_ _ _  _ _ _  _ 9 2
 
-_ _ _  7 _ _  3 _ _
-_ _ 7  _ _ 1  _ 6 8
-_ _ _  _ 8 _  _ _ 5
+_ 6 3  _ _ 4  _ _ _
+9 _ _  6 8 _  _ 1 _
+1 _ _  _ _ 7  _ _ 3
 
 SOLUTION:
-6 2 9  8 1 7  5 3 4
-3 4 1  9 5 6  2 8 7
-5 7 8  2 4 3  1 9 6
+2 7 8  1 9 5  3 4 6
+6 3 4  8 7 2  1 5 9
+5 9 1  3 4 6  2 7 8
 
-4 9 2  5 6 8  7 1 3
-1 8 5  3 7 9  6 4 2
-7 3 6  1 2 4  8 5 9
+4 1 2  7 3 9  8 6 5
+7 5 9  2 6 8  4 3 1
+3 8 6  4 5 1  7 9 2
 
-8 6 4  7 9 5  3 2 1
-2 5 7  4 3 1  9 6 8
-9 1 3  6 8 2  4 7 5
+8 6 3  5 1 4  9 2 7
+9 2 7  6 8 3  5 1 4
+1 4 5  9 2 7  6 8 3
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,1,null,null,7,null,null,4,5,null,null,2,null,null,null,null,null,7,null,null,3,6,null,null,null,6,2,3,null,null,null,8,null,null,null,null,null,null,6,null,null,1,null,null,null,1,4,null,null,null,null,null,null,null,4,null,null,null,5,2,0,null,null,null,null,null,null,null,6,null,null,1,null,5,null,7,null,null],"solution":[6,2,0,8,1,4,3,7,5,3,4,5,7,6,2,1,0,8,8,1,7,5,0,3,6,2,4,1,6,2,3,7,5,4,8,0,4,7,8,0,2,6,5,3,1,5,0,3,1,4,8,2,6,7,7,3,6,4,8,1,0,5,2,0,5,4,2,3,7,8,1,6,2,8,1,6,5,0,7,4,3]}
+PUZZLE:
+_ _ _  _ 2 _  _ 8 _
+_ 5 6  _ _ 3  _ _ _
+_ _ 8  _ _ 4  7 _ _
+
+_ 7 3  4 _ _  _ 9 _
+_ _ _  _ _ 7  _ _ 2
+_ _ _  2 5 _  _ _ _
+
+_ _ _  5 _ _  _ 6 3
+1 _ _  _ _ _  _ _ 7
+_ _ 2  _ 6 _  8 _ _
+
+SOLUTION:
+7 3 1  9 2 5  4 8 6
+4 5 6  8 7 3  2 1 9
+9 2 8  6 1 4  7 3 5
+
+2 7 3  4 8 6  5 9 1
+5 8 9  1 3 7  6 4 2
+6 1 4  2 5 9  3 7 8
+
+8 4 7  5 9 2  1 6 3
+1 6 5  3 4 8  9 2 7
+3 9 2  7 6 1  8 5 4
 
 RATING: 1.75
 DATA:
-{"puzzle":[8,1,null,null,null,4,null,3,null,null,null,null,null,null,3,6,7,null,null,3,null,null,null,null,2,null,8,null,7,null,null,8,null,null,6,4,1,null,null,4,null,null,8,null,null,null,null,null,6,3,null,null,null,null,null,null,5,null,7,6,null,null,null,4,null,null,null,null,null,3,0,null,null,null,null,null,null,null,null,null,7],"solution":[8,1,2,7,6,4,0,3,5,0,5,4,8,2,3,6,7,1,7,3,6,1,0,5,2,4,8,5,7,3,2,8,0,1,6,4,1,6,0,4,5,7,8,2,3,2,4,8,6,3,1,7,5,0,3,8,5,0,7,6,4,1,2,4,2,7,5,1,8,3,0,6,6,0,1,3,4,2,5,8,7]}
+{"puzzle":[null,5,null,7,3,null,null,null,null,7,null,8,null,null,null,6,null,null,null,null,null,null,null,0,8,null,null,4,null,null,null,1,null,null,8,null,null,null,null,null,null,null,5,7,null,null,0,null,null,8,2,null,null,null,null,null,null,null,null,null,null,null,3,null,8,6,null,null,null,null,0,null,null,3,1,null,7,null,null,null,null],"solution":[6,5,0,7,3,8,2,1,4,7,4,8,2,5,1,6,3,0,3,1,2,4,6,0,8,5,7,4,6,5,3,1,7,0,8,2,8,2,3,6,0,4,5,7,1,1,0,7,5,8,2,3,4,6,0,7,4,8,2,5,1,6,3,2,8,6,1,4,3,7,0,5,5,3,1,0,7,6,4,2,8]}
 PUZZLE:
-9 2 _  _ _ 5  _ 4 _
-_ _ _  _ _ 4  7 8 _
-_ 4 _  _ _ _  3 _ 9
+_ 6 _  8 4 _  _ _ _
+8 _ 9  _ _ _  7 _ _
+_ _ _  _ _ 1  9 _ _
 
-_ 8 _  _ 9 _  _ 7 5
-2 _ _  5 _ _  9 _ _
-_ _ _  7 4 _  _ _ _
+5 _ _  _ 2 _  _ 9 _
+_ _ _  _ _ _  6 8 _
+_ 1 _  _ 9 3  _ _ _
 
-_ _ 6  _ 8 7  _ _ _
-5 _ _  _ _ _  4 1 _
-_ _ _  _ _ _  _ _ 8
+_ _ _  _ _ _  _ _ 4
+_ 9 7  _ _ _  _ 1 _
+_ 4 2  _ 8 _  _ _ _
 
 SOLUTION:
-9 2 3  8 7 5  1 4 6
-1 6 5  9 3 4  7 8 2
-8 4 7  2 1 6  3 5 9
+7 6 1  8 4 9  3 2 5
+8 5 9  3 6 2  7 4 1
+4 2 3  5 7 1  9 6 8
 
-6 8 4  3 9 1  2 7 5
-2 7 1  5 6 8  9 3 4
-3 5 9  7 4 2  8 6 1
+5 7 6  4 2 8  1 9 3
+9 3 4  7 1 5  6 8 2
+2 1 8  6 9 3  4 5 7
 
-4 9 6  1 8 7  5 2 3
-5 3 8  6 2 9  4 1 7
-7 1 2  4 5 3  6 9 8
-
-RATING: 1
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,null,8,3,7,null,null,null,null,null,5,null,null,null,null,null,null,7,null,1,null,null,3,null,null,4,null,null,null,5,null,null,4,1,null,0,8,null,null,null,null,null,null,5,null,null,7,null,6,null,null,null,1,null,null,0,null,null,null,8,null,null,null,2,null,null,null,5,null,2,null,4,null,null,null],"solution":[0,1,2,5,3,6,7,4,8,3,7,6,4,8,1,0,5,2,8,4,5,0,2,7,3,1,6,7,3,0,8,4,2,1,6,5,5,6,4,1,7,0,8,2,3,2,8,1,6,5,3,4,7,0,6,2,7,3,1,8,5,0,4,4,0,8,7,6,5,2,3,1,1,5,3,2,0,4,6,8,7]}
-PUZZLE:
-1 _ _  _ _ _  _ _ 9
-4 8 _  _ _ _  _ 6 _
-_ _ _  _ _ 8  _ 2 _
-
-_ 4 _  _ 5 _  _ _ 6
-_ _ 5  2 _ 1  9 _ _
-_ _ _  _ 6 _  _ 8 _
-
-7 _ _  _ 2 _  _ 1 _
-_ _ 9  _ _ _  3 _ _
-_ 6 _  3 _ 5  _ _ _
-
-SOLUTION:
-1 2 3  6 4 7  8 5 9
-4 8 7  5 9 2  1 6 3
-9 5 6  1 3 8  4 2 7
-
-8 4 1  9 5 3  2 7 6
-6 7 5  2 8 1  9 3 4
-3 9 2  7 6 4  5 8 1
-
-7 3 8  4 2 9  6 1 5
-5 1 9  8 7 6  3 4 2
-2 6 4  3 1 5  7 9 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,7,null,null,2,null,5,null,null,null,0,1,null,8,null,null,null,8,null,null,6,null,null,null,1,2,4,null,null,null,null,null,1,null,null,null,8,null,2,4,null,null,null,5,null,2,null,null,null,null,null,7,6,null,6,null,null,3,0,null,null,4,3,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null],"solution":[6,1,7,4,0,2,8,5,3,2,3,0,1,5,8,6,4,7,8,4,5,6,7,3,0,1,2,4,5,3,0,6,7,1,2,8,7,8,6,2,4,1,3,0,5,0,2,1,3,8,5,4,7,6,1,6,2,7,3,0,5,8,4,3,7,8,5,1,4,2,6,0,5,0,4,8,2,6,7,3,1]}
-PUZZLE:
-_ _ 8  _ _ 3  _ 6 _
-_ _ 1  2 _ 9  _ _ _
-9 _ _  7 _ _  _ 2 3
-
-5 _ _  _ _ _  2 _ _
-_ 9 _  3 5 _  _ _ 6
-_ 3 _  _ _ _  _ 8 7
-
-_ 7 _  _ 4 1  _ _ 5
-4 _ _  _ _ _  _ _ _
-_ 1 _  _ _ _  _ _ _
-
-SOLUTION:
-7 2 8  5 1 3  9 6 4
-3 4 1  2 6 9  7 5 8
-9 5 6  7 8 4  1 2 3
-
-5 6 4  1 7 8  2 3 9
-8 9 7  3 5 2  4 1 6
-1 3 2  4 9 6  5 8 7
-
-2 7 3  8 4 1  6 9 5
-4 8 9  6 2 5  3 7 1
-6 1 5  9 3 7  8 4 2
+1 8 5  9 3 6  2 7 4
+3 9 7  2 5 4  8 1 6
+6 4 2  1 8 7  5 3 9
 
 RATING: 0
 DATA:
-{"puzzle":[8,5,6,null,1,null,null,null,null,null,null,null,7,4,null,null,8,null,null,0,null,null,3,null,null,1,6,null,null,null,null,null,null,5,6,null,null,1,null,null,null,null,null,null,4,null,null,0,4,null,5,null,null,null,6,null,null,2,null,0,null,7,null,1,null,7,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null],"solution":[8,5,6,0,1,2,7,4,3,2,3,1,7,4,6,0,8,5,7,0,4,5,3,8,2,1,6,4,7,2,1,0,3,5,6,8,5,1,8,6,2,7,3,0,4,3,6,0,4,8,5,1,2,7,6,8,3,2,5,0,4,7,1,1,2,7,3,6,4,8,5,0,0,4,5,8,7,1,6,3,2]}
+{"puzzle":[null,8,null,null,null,null,3,7,null,0,null,7,null,3,8,null,6,null,null,5,null,null,6,null,null,1,null,2,null,null,null,null,null,8,null,0,null,null,5,null,null,null,null,null,null,null,4,null,null,null,3,null,2,null,5,null,null,null,null,null,1,null,null,null,null,null,null,null,null,5,null,2,null,3,null,null,null,7,null,null,null],"solution":[6,8,2,0,1,5,3,7,4,0,1,7,4,3,8,2,6,5,3,5,4,7,6,2,0,1,8,2,6,3,1,7,4,8,5,0,1,0,5,8,2,6,7,4,3,7,4,8,5,0,3,6,2,1,5,2,6,3,4,0,1,8,7,4,7,0,6,8,1,5,3,2,8,3,1,2,5,7,4,0,6]}
 PUZZLE:
-9 6 7  _ 2 _  _ _ _
-_ _ _  8 5 _  _ 9 _
-_ 1 _  _ 4 _  _ 2 7
+_ 9 _  _ _ _  4 8 _
+1 _ 8  _ 4 9  _ 7 _
+_ 6 _  _ 7 _  _ 2 _
 
-_ _ _  _ _ _  6 7 _
-_ 2 _  _ _ _  _ _ 5
-_ _ 1  5 _ 6  _ _ _
+3 _ _  _ _ _  9 _ 1
+_ _ 6  _ _ _  _ _ _
+_ 5 _  _ _ 4  _ 3 _
 
-7 _ _  3 _ 1  _ 8 _
-2 _ 8  _ _ _  _ _ _
-_ _ _  _ _ 2  _ _ _
+6 _ _  _ _ _  2 _ _
+_ _ _  _ _ _  6 _ 3
+_ 4 _  _ _ 8  _ _ _
 
 SOLUTION:
-9 6 7  1 2 3  8 5 4
-3 4 2  8 5 7  1 9 6
-8 1 5  6 4 9  3 2 7
+7 9 3  1 2 6  4 8 5
+1 2 8  5 4 9  3 7 6
+4 6 5  8 7 3  1 2 9
 
-5 8 3  2 1 4  6 7 9
-6 2 9  7 3 8  4 1 5
-4 7 1  5 9 6  2 3 8
+3 7 4  2 8 5  9 6 1
+2 1 6  9 3 7  8 5 4
+8 5 9  6 1 4  7 3 2
 
-7 9 4  3 6 1  5 8 2
-2 3 8  4 7 5  9 6 1
-1 5 6  9 8 2  7 4 3
+6 3 7  4 5 1  2 9 8
+5 8 1  7 9 2  6 4 3
+9 4 2  3 6 8  5 1 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,6,null,1,null,null,null,null,3,null,null,null,5,null,6,null,8,null,8,null,2,null,null,null,null,null,null,null,null,null,null,8,null,null,0,null,null,null,1,6,null,null,3,null,1,null,null,null,0,null,null,null,7,null,null,2,null,null,null,null,null,5,null,null,3,7,null,null,0,null,null,null,1,null,null,null,4,3,null,null],"solution":[7,5,6,8,1,3,4,0,2,3,2,1,4,5,0,6,7,8,4,8,0,2,7,6,1,5,3,6,7,5,3,4,8,2,1,0,2,0,8,1,6,7,5,3,4,1,3,4,5,0,2,8,6,7,0,4,2,6,3,1,7,8,5,8,6,3,7,2,5,0,4,1,5,1,7,0,8,4,3,2,6]}
+PUZZLE:
+_ 6 7  _ 2 _  _ _ _
+4 _ _  _ 6 _  7 _ 9
+_ 9 _  3 _ _  _ _ _
+
+_ _ _  _ _ 9  _ _ 1
+_ _ _  2 7 _  _ 4 _
+2 _ _  _ 1 _  _ _ 8
+
+_ _ 3  _ _ _  _ _ 6
+_ _ 4  8 _ _  1 _ _
+_ 2 _  _ _ 5  4 _ _
+
+SOLUTION:
+8 6 7  9 2 4  5 1 3
+4 3 2  5 6 1  7 8 9
+5 9 1  3 8 7  2 6 4
+
+7 8 6  4 5 9  3 2 1
+3 1 9  2 7 8  6 4 5
+2 4 5  6 1 3  9 7 8
+
+1 5 3  7 4 2  8 9 6
+9 7 4  8 3 6  1 5 2
+6 2 8  1 9 5  4 3 7
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,5,null,null,1,null,null,null,3,null,null,null,8,0,null,null,1,1,null,null,null,5,null,null,7,null,2,5,null,null,null,8,null,null,null,7,null,null,null,null,3,null,null,2,null,null,null,null,0,null,3,null,null,null,null,6,null,null,null,4,1,null,null,null,null,null,4,null,0,null,7,null,null,4,null,null,null,5,null,null],"solution":[6,0,5,7,2,1,8,3,4,3,4,7,6,8,0,2,5,1,1,2,8,3,5,4,6,7,0,2,5,3,4,1,8,7,0,6,7,8,0,5,6,3,1,4,2,4,6,1,2,0,7,3,8,5,5,7,6,0,3,2,4,1,8,8,3,2,1,4,5,0,6,7,0,1,4,8,7,6,5,2,3]}
+PUZZLE:
+_ _ 6  _ _ 2  _ _ _
+4 _ _  _ 9 1  _ _ 2
+2 _ _  _ 6 _  _ 8 _
+
+3 6 _  _ _ 9  _ _ _
+8 _ _  _ _ 4  _ _ 3
+_ _ _  _ 1 _  4 _ _
+
+_ _ 7  _ _ _  5 2 _
+_ _ _  _ 5 _  1 _ 8
+_ _ 5  _ _ _  6 _ _
+
+SOLUTION:
+7 1 6  8 3 2  9 4 5
+4 5 8  7 9 1  3 6 2
+2 3 9  4 6 5  7 8 1
+
+3 6 4  5 2 9  8 1 7
+8 9 1  6 7 4  2 5 3
+5 7 2  3 1 8  4 9 6
+
+6 8 7  1 4 3  5 2 9
+9 4 3  2 5 6  1 7 8
+1 2 5  9 8 7  6 3 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,2,null,null,null,null,8,null,0,null,null,7,null,null,null,null,3,null,3,null,null,null,4,null,null,5,null,null,6,null,null,null,0,null,null,null,8,null,null,4,6,null,null,null,1,1,null,null,null,null,null,null,7,null,7,null,null,null,null,null,null,4,8,null,4,null,7,2,5,6,null,null,null,null,null,null,0,null,null,null,null],"solution":[4,2,1,5,3,7,8,6,0,5,0,7,6,8,2,1,3,4,3,8,6,0,4,1,7,5,2,2,6,4,1,7,0,3,8,5,8,7,5,4,6,3,2,0,1,1,3,0,2,5,8,4,7,6,7,5,2,3,1,6,0,4,8,0,4,8,7,2,5,6,1,3,6,1,3,8,0,4,5,2,7]}
+PUZZLE:
+_ 3 _  _ _ _  9 _ 1
+_ _ 8  _ _ _  _ 4 _
+4 _ _  _ 5 _  _ 6 _
+
+_ 7 _  _ _ 1  _ _ _
+9 _ _  5 7 _  _ _ 2
+2 _ _  _ _ _  _ 8 _
+
+8 _ _  _ _ _  _ 5 9
+_ 5 _  8 3 6  7 _ _
+_ _ _  _ 1 _  _ _ _
+
+SOLUTION:
+5 3 2  6 4 8  9 7 1
+6 1 8  7 9 3  2 4 5
+4 9 7  1 5 2  8 6 3
+
+3 7 5  2 8 1  4 9 6
+9 8 6  5 7 4  3 1 2
+2 4 1  3 6 9  5 8 7
+
+8 6 3  4 2 7  1 5 9
+1 5 9  8 3 6  7 2 4
+7 2 4  9 1 5  6 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,null,null,null,4,2,null,null,2,null,null,null,null,null,null,1,null,null,5,null,null,7,null,null,0,null,7,1,null,null,6,null,null,null,null,null,null,null,1,null,null,4,null,2,3,null,null,null,null,7,null,null,6,8,null,6,null,null,1,7,null,null,null,null,null,7,null,null,5,null,null,null,null,null,null,null,0,null,8,null],"solution":[0,7,8,3,1,4,2,6,5,2,6,4,0,5,8,3,1,7,1,5,3,6,7,2,8,0,4,7,1,2,4,6,5,0,3,8,6,8,5,1,0,3,4,7,2,3,4,0,8,2,7,1,5,6,8,2,6,5,3,1,7,4,0,4,0,1,7,8,6,5,2,3,5,3,7,2,4,0,6,8,1]}
+PUZZLE:
+_ 8 _  _ _ 5  3 _ _
+3 _ _  _ _ _  _ 2 _
+_ 6 _  _ 8 _  _ 1 _
+
+8 2 _  _ 7 _  _ _ _
+_ _ _  2 _ _  5 _ 3
+4 _ _  _ _ 8  _ _ 7
+
+9 _ 7  _ _ 2  8 _ _
+_ _ _  8 _ _  6 _ _
+_ _ _  _ _ 1  _ 9 _
+
+SOLUTION:
+1 8 9  4 2 5  3 7 6
+3 7 5  1 6 9  4 2 8
+2 6 4  7 8 3  9 1 5
+
+8 2 3  5 7 6  1 4 9
+7 9 6  2 1 4  5 8 3
+4 5 1  9 3 8  2 6 7
+
+9 3 7  6 4 2  8 5 1
+5 1 2  8 9 7  6 3 4
+6 4 8  3 5 1  7 9 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,0,1,3,null,null,null,null,null,null,null,null,null,7,4,8,null,null,2,null,null,null,4,1,null,null,null,null,8,5,6,null,0,null,null,1,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,2,0,null,null,null,4,null,null,1,null,6,null,null,2,null,1,5,null,4,null],"solution":[5,7,8,2,0,6,3,1,4,4,0,1,3,5,8,6,7,2,6,2,3,1,7,4,8,0,5,2,3,6,7,4,1,0,5,8,7,8,5,6,2,0,4,3,1,1,4,0,5,8,3,2,6,7,3,1,4,8,6,7,5,2,0,0,5,7,4,3,2,1,8,6,8,6,2,0,1,5,7,4,3]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+_ 1 2  4 _ _  _ _ _
+_ _ _  _ 8 5  9 _ _
+
+3 _ _  _ 5 2  _ _ _
+_ 9 6  7 _ 1  _ _ 2
+_ _ _  _ _ _  3 _ _
+
+_ _ _  _ _ _  _ 3 1
+_ _ _  5 _ _  2 _ 7
+_ _ 3  _ 2 6  _ 5 _
+
+SOLUTION:
+6 8 9  3 1 7  4 2 5
+5 1 2  4 6 9  7 8 3
+7 3 4  2 8 5  9 1 6
+
+3 4 7  8 5 2  1 6 9
+8 9 6  7 3 1  5 4 2
+2 5 1  6 9 4  3 7 8
+
+4 2 5  9 7 8  6 3 1
+1 6 8  5 4 3  2 9 7
+9 7 3  1 2 6  8 5 4
+
+RATING: 4.25
+DATA:
+{"puzzle":[null,5,null,null,null,null,4,null,null,null,null,4,null,2,null,null,6,1,2,null,7,null,null,null,5,null,3,null,8,null,2,null,null,null,null,6,null,2,null,null,null,null,null,8,null,1,null,3,null,null,null,null,null,4,null,null,null,3,null,7,null,null,null,null,null,null,1,null,null,3,null,null,null,null,6,null,null,5,null,null,null],"solution":[0,5,1,7,3,6,4,2,8,8,3,4,5,2,0,7,6,1,2,6,7,8,1,4,5,0,3,4,8,5,2,7,1,0,3,6,6,2,0,4,5,3,1,8,7,1,7,3,6,0,8,2,5,4,5,4,2,3,8,7,6,1,0,7,0,8,1,6,2,3,4,5,3,1,6,0,4,5,8,7,2]}
+PUZZLE:
+_ 6 _  _ _ _  5 _ _
+_ _ 5  _ 3 _  _ 7 2
+3 _ 8  _ _ _  6 _ 4
+
+_ 9 _  3 _ _  _ _ 7
+_ 3 _  _ _ _  _ 9 _
+2 _ 4  _ _ _  _ _ 5
+
+_ _ _  4 _ 8  _ _ _
+_ _ _  2 _ _  4 _ _
+_ _ 7  _ _ 6  _ _ _
+
+SOLUTION:
+1 6 2  8 4 7  5 3 9
+9 4 5  6 3 1  8 7 2
+3 7 8  9 2 5  6 1 4
+
+5 9 6  3 8 2  1 4 7
+7 3 1  5 6 4  2 9 8
+2 8 4  7 1 9  3 6 5
+
+6 5 3  4 9 8  7 2 1
+8 1 9  2 7 3  4 5 6
+4 2 7  1 5 6  9 8 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,5,null,null,null,null,null,null,4,null,null,null,7,5,null,null,null,7,6,null,null,2,null,4,8,null,3,null,null,5,null,null,null,null,null,null,null,null,7,null,8,null,4,null,null,null,null,null,6,1,null,null,null,8,null,null,null,null,null,0,null,7,null,2,0,null,1,null,null,null,null,null,3,null,null,null,null,6,null],"solution":[0,2,1,5,4,8,3,7,6,3,4,8,6,0,7,5,1,2,5,7,6,3,1,2,0,4,8,8,3,4,1,5,0,6,2,7,6,1,0,2,7,3,8,5,4,2,5,7,4,8,6,1,3,0,1,8,5,7,6,4,2,0,3,7,6,2,0,3,1,4,8,5,4,0,3,8,2,5,7,6,1]}
+PUZZLE:
+_ _ 2  6 _ _  _ _ _
+_ 5 _  _ _ 8  6 _ _
+_ 8 7  _ _ 3  _ 5 9
+
+_ 4 _  _ 6 _  _ _ _
+_ _ _  _ 8 _  9 _ 5
+_ _ _  _ _ 7  2 _ _
+
+_ 9 _  _ _ _  _ 1 _
+8 _ 3  1 _ 2  _ _ _
+_ _ 4  _ _ _  _ 7 _
+
+SOLUTION:
+1 3 2  6 5 9  4 8 7
+4 5 9  7 1 8  6 2 3
+6 8 7  4 2 3  1 5 9
+
+9 4 5  2 6 1  7 3 8
+7 2 1  3 8 4  9 6 5
+3 6 8  5 9 7  2 4 1
+
+2 9 6  8 7 5  3 1 4
+8 7 3  1 4 2  5 9 6
+5 1 4  9 3 6  8 7 2
+
+RATING: 2.75
+DATA:
+{"puzzle":[0,null,null,2,null,8,null,7,5,6,null,null,null,null,null,null,null,2,null,8,3,null,4,null,1,null,null,null,null,null,null,null,1,0,null,null,null,null,null,null,3,null,5,null,null,null,null,null,0,8,null,null,6,1,3,4,1,null,null,null,null,null,null,null,null,7,1,null,null,null,null,null,null,null,null,null,null,null,null,null,8],"solution":[0,1,4,2,6,8,3,7,5,6,7,5,3,1,0,8,4,2,2,8,3,5,4,7,1,0,6,7,5,6,4,2,1,0,8,3,1,0,8,7,3,6,5,2,4,4,3,2,0,8,5,7,6,1,3,4,1,8,0,2,6,5,7,8,6,7,1,5,4,2,3,0,5,2,0,6,7,3,4,1,8]}
+PUZZLE:
+1 _ _  3 _ 9  _ 8 6
+7 _ _  _ _ _  _ _ 3
+_ 9 4  _ 5 _  2 _ _
+
+_ _ _  _ _ 2  1 _ _
+_ _ _  _ 4 _  6 _ _
+_ _ _  1 9 _  _ 7 2
+
+4 5 2  _ _ _  _ _ _
+_ _ 8  2 _ _  _ _ _
+_ _ _  _ _ _  _ _ 9
+
+SOLUTION:
+1 2 5  3 7 9  4 8 6
+7 8 6  4 2 1  9 5 3
+3 9 4  6 5 8  2 1 7
+
+8 6 7  5 3 2  1 9 4
+2 1 9  8 4 7  6 3 5
+5 4 3  1 9 6  8 7 2
+
+4 5 2  9 1 3  7 6 8
+9 7 8  2 6 5  3 4 1
+6 3 1  7 8 4  5 2 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,8,null,null,null,null,null,1,null,null,0,4,null,3,null,null,4,7,5,null,null,null,null,null,1,null,4,3,5,null,null,null,null,null,null,null,2,null,null,4,null,null,5,5,null,null,null,1,null,6,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,6,null,7,2,null,null,null,4,7,0,null,null,null],"solution":[3,6,0,8,5,1,7,2,4,1,2,8,0,4,7,3,5,6,4,7,5,6,3,2,8,0,1,6,4,3,5,0,8,2,1,7,8,1,2,7,6,4,0,3,5,5,0,7,2,1,3,6,4,8,7,3,6,1,2,5,4,8,0,0,5,4,3,8,6,1,7,2,2,8,1,4,7,0,5,6,3]}
+PUZZLE:
+_ _ _  9 _ _  _ _ _
+2 _ _  1 5 _  4 _ _
+5 8 6  _ _ _  _ _ 2
+
+_ 5 4  6 _ _  _ _ _
+_ _ 3  _ _ 5  _ _ 6
+6 _ _  _ 2 _  7 _ _
+
+_ _ 7  _ _ _  _ _ _
+_ _ _  _ _ 7  _ 8 3
+_ _ _  5 8 1  _ _ _
+
+SOLUTION:
+4 7 1  9 6 2  8 3 5
+2 3 9  1 5 8  4 6 7
+5 8 6  7 4 3  9 1 2
+
+7 5 4  6 1 9  3 2 8
+9 2 3  8 7 5  1 4 6
+6 1 8  3 2 4  7 5 9
+
+8 4 7  2 3 6  5 9 1
+1 6 5  4 9 7  2 8 3
+3 9 2  5 8 1  6 7 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[0,null,4,7,1,2,null,null,null,null,null,8,null,null,null,null,null,1,null,null,7,null,3,null,null,null,4,null,7,null,null,null,0,null,null,null,1,null,null,5,null,null,3,null,null,null,null,null,null,6,null,null,null,8,null,0,6,1,null,null,null,null,null,null,null,2,null,null,null,null,null,null,8,null,null,null,5,6,null,null,null],"solution":[0,5,4,7,1,2,8,3,6,3,6,8,4,0,5,2,7,1,2,1,7,6,3,8,0,5,4,6,7,3,2,8,0,1,4,5,1,8,0,5,4,7,3,6,2,4,2,5,3,6,1,7,0,8,7,0,6,1,2,4,5,8,3,5,4,2,8,7,3,6,1,0,8,3,1,0,5,6,4,2,7]}
+PUZZLE:
+1 _ 5  8 2 3  _ _ _
+_ _ 9  _ _ _  _ _ 2
+_ _ 8  _ 4 _  _ _ 5
+
+_ 8 _  _ _ 1  _ _ _
+2 _ _  6 _ _  4 _ _
+_ _ _  _ 7 _  _ _ 9
+
+_ 1 7  2 _ _  _ _ _
+_ _ 3  _ _ _  _ _ _
+9 _ _  _ 6 7  _ _ _
+
+SOLUTION:
+1 6 5  8 2 3  9 4 7
+4 7 9  5 1 6  3 8 2
+3 2 8  7 4 9  1 6 5
+
+7 8 4  3 9 1  2 5 6
+2 9 1  6 5 8  4 7 3
+5 3 6  4 7 2  8 1 9
+
+8 1 7  2 3 5  6 9 4
+6 5 3  9 8 4  7 2 1
+9 4 2  1 6 7  5 3 8
+
+RATING: 4.75
+DATA:
+{"puzzle":[null,null,5,3,null,null,null,null,null,0,null,4,null,null,1,null,null,7,2,null,null,null,null,null,null,null,1,null,null,null,null,null,null,3,null,null,null,6,1,7,null,3,5,null,2,null,null,null,null,2,8,4,null,null,8,null,null,null,null,7,null,null,null,null,7,null,null,4,5,6,null,null,null,null,null,null,null,null,null,null,null],"solution":[7,1,5,3,8,2,0,6,4,0,8,4,6,5,1,2,3,7,2,3,6,0,7,4,8,5,1,5,2,8,4,1,6,3,7,0,4,6,1,7,0,3,5,8,2,3,0,7,5,2,8,4,1,6,8,4,3,2,6,7,1,0,5,1,7,0,8,4,5,6,2,3,6,5,2,1,3,0,7,4,8]}
+PUZZLE:
+_ _ 6  4 _ _  _ _ _
+1 _ 5  _ _ 2  _ _ 8
+3 _ _  _ _ _  _ _ 2
+
+_ _ _  _ _ _  4 _ _
+_ 7 2  8 _ 4  6 _ 3
+_ _ _  _ 3 9  5 _ _
+
+9 _ _  _ _ 8  _ _ _
+_ 8 _  _ 5 6  7 _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+8 2 6  4 9 3  1 7 5
+1 9 5  7 6 2  3 4 8
+3 4 7  1 8 5  9 6 2
+
+6 3 9  5 2 7  4 8 1
+5 7 2  8 1 4  6 9 3
+4 1 8  6 3 9  5 2 7
+
+9 5 4  3 7 8  2 1 6
+2 8 1  9 5 6  7 3 4
+7 6 3  2 4 1  8 5 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,2,null,1,null,null,null,null,null,7,null,7,null,6,3,null,1,2,null,4,0,null,null,1,null,2,null,null,null,null,7,null,null,null,null,6,null,null,null,null,null,null,null,null,0,5,null,null,8,4,null,5,null,null,0,5,null,null,null,null,null,7,null,null,null,null,null,null,null,null,3,null,null],"solution":[0,4,3,2,7,1,5,8,6,2,6,1,8,5,4,0,3,7,8,7,5,6,3,0,1,2,4,4,0,6,5,1,8,2,7,3,3,5,7,0,4,2,8,6,1,1,8,2,7,6,3,4,0,5,7,3,8,4,2,5,6,1,0,5,1,0,3,8,6,7,4,2,6,2,4,1,0,7,3,5,8]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+3 _ 2  _ _ _  _ _ 8
+_ 8 _  7 4 _  2 3 _
+
+5 1 _  _ 2 _  3 _ _
+_ _ 8  _ _ _  _ 7 _
+_ _ _  _ _ _  _ 1 6
+
+_ _ 9  5 _ 6  _ _ 1
+6 _ _  _ _ _  8 _ _
+_ _ _  _ _ _  4 _ _
+
+SOLUTION:
+1 5 4  3 8 2  6 9 7
+3 7 2  9 6 5  1 4 8
+9 8 6  7 4 1  2 3 5
+
+5 1 7  6 2 9  3 8 4
+4 6 8  1 5 3  9 7 2
+2 9 3  8 7 4  5 1 6
+
+8 4 9  5 3 6  7 2 1
+6 2 1  4 9 7  8 5 3
+7 3 5  2 1 8  4 6 9
+
+RATING: 1
+DATA:
+{"puzzle":[4,null,null,null,null,null,7,2,null,7,null,null,5,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,5,8,null,1,null,null,0,null,null,1,null,null,0,6,null,null,null,null,null,null,null,null,null,null,4,null,6,null,null,7,null,1,null,null,null,null,8,null,null,null,null,null,null,null,null,0,4,1,null,null,3,8],"solution":[4,5,6,0,8,3,7,2,1,7,1,2,5,6,4,0,8,3,0,8,3,1,2,7,5,4,6,6,2,5,8,4,1,3,7,0,8,4,1,7,3,0,6,5,2,3,0,7,6,5,2,8,1,4,2,6,4,3,7,8,1,0,5,1,3,8,2,0,5,4,6,7,5,7,0,4,1,6,2,3,8]}
+PUZZLE:
+5 _ _  _ _ _  8 3 _
+8 _ _  6 _ _  _ _ 4
+_ _ _  _ _ _  _ _ _
+
+_ _ 6  9 _ 2  _ _ 1
+_ _ 2  _ _ 1  7 _ _
+_ _ _  _ _ _  _ _ 5
+
+_ 7 _  _ 8 _  2 _ _
+_ _ 9  _ _ _  _ _ _
+_ _ 1  5 2 _  _ 4 9
+
+SOLUTION:
+5 6 7  1 9 4  8 3 2
+8 2 3  6 7 5  1 9 4
+1 9 4  2 3 8  6 5 7
+
+7 3 6  9 5 2  4 8 1
+9 5 2  8 4 1  7 6 3
+4 1 8  7 6 3  9 2 5
+
+3 7 5  4 8 9  2 1 6
+2 4 9  3 1 6  5 7 8
+6 8 1  5 2 7  3 4 9
+
+RATING: 0
+DATA:
+{"puzzle":[6,null,8,null,null,null,4,0,null,null,null,null,1,null,null,3,null,null,null,null,7,null,null,null,null,null,null,null,2,null,null,5,null,null,null,null,0,null,null,null,7,8,null,6,null,null,null,null,3,null,4,7,null,2,null,5,null,null,null,null,null,1,null,null,6,null,null,null,null,null,null,4,2,null,null,null,8,null,0,null,null],"solution":[6,3,8,5,2,7,4,0,1,5,0,2,1,4,6,3,7,8,4,1,7,8,3,0,6,2,5,7,2,3,6,5,1,8,4,0,0,4,5,2,7,8,1,6,3,1,8,6,3,0,4,7,5,2,8,5,4,0,6,3,2,1,7,3,6,0,7,1,2,5,8,4,2,7,1,4,8,5,0,3,6]}
+PUZZLE:
+7 _ 9  _ _ _  5 1 _
+_ _ _  2 _ _  4 _ _
+_ _ 8  _ _ _  _ _ _
+
+_ 3 _  _ 6 _  _ _ _
+1 _ _  _ 8 9  _ 7 _
+_ _ _  4 _ 5  8 _ 3
+
+_ 6 _  _ _ _  _ 2 _
+_ 7 _  _ _ _  _ _ 5
+3 _ _  _ 9 _  1 _ _
+
+SOLUTION:
+7 4 9  6 3 8  5 1 2
+6 1 3  2 5 7  4 8 9
+5 2 8  9 4 1  7 3 6
+
+8 3 4  7 6 2  9 5 1
+1 5 6  3 8 9  2 7 4
+2 9 7  4 1 5  8 6 3
+
+9 6 5  1 7 4  3 2 8
+4 7 1  8 2 3  6 9 5
+3 8 2  5 9 6  1 4 7
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,5,null,null,1,0,8,null,6,null,null,null,null,null,null,null,0,null,3,null,null,3,8,null,4,null,null,null,null,2,null,null,null,null,1,null,null,6,null,null,null,null,null,null,3,7,null,null,2,null,null,3,6,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,8,null,null,0,1],"solution":[8,6,3,7,4,2,1,5,0,5,1,0,8,3,6,4,2,7,7,4,2,1,0,5,3,8,6,3,8,6,4,7,0,5,1,2,4,5,7,2,1,8,0,6,3,0,2,1,6,5,3,7,4,8,2,0,5,3,6,1,8,7,4,1,7,8,0,2,4,6,3,5,6,3,4,5,8,7,2,0,1]}
+PUZZLE:
+_ _ _  _ _ _  _ 6 _
+_ 2 1  9 _ 7  _ _ _
+_ _ _  _ 1 _  4 _ _
+
+4 9 _  5 _ _  _ _ 3
+_ _ _  _ 2 _  _ 7 _
+_ _ _  _ _ 4  8 _ _
+
+3 _ _  4 7 _  _ _ _
+_ _ _  _ _ 5  _ _ _
+_ _ _  _ 9 _  _ 1 2
+
+SOLUTION:
+9 7 4  8 5 3  2 6 1
+6 2 1  9 4 7  5 3 8
+8 5 3  2 1 6  4 9 7
+
+4 9 7  5 8 1  6 2 3
+5 6 8  3 2 9  1 7 4
+1 3 2  7 6 4  8 5 9
+
+3 1 6  4 7 2  9 8 5
+2 8 9  1 3 5  7 4 6
+7 4 5  6 9 8  3 1 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,3,null,null,null,null,null,null,7,0,null,null,6,null,null,2,null,null,null,6,null,null,7,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,7,6,2,null,5,0,null,2,4,null,null,null,4,null,null,null,null,3,0,5,null,null,null,1,null,null,null,3,null,null,null,null,8,null,0,null,null,null,null],"solution":[8,3,5,0,1,2,6,4,7,0,1,7,6,4,8,2,3,5,2,6,4,3,7,5,1,8,0,7,8,2,1,3,6,5,0,4,1,4,3,8,5,0,7,6,2,6,5,0,7,2,4,8,1,3,4,7,6,2,8,3,0,5,1,5,0,1,4,6,7,3,2,8,3,2,8,5,0,1,4,7,6]}
+PUZZLE:
+_ 4 _  _ _ _  _ _ 8
+1 _ _  7 _ _  3 _ _
+_ 7 _  _ 8 _  _ 9 _
+
+_ _ _  _ _ _  _ _ _
+_ _ _  _ 6 _  8 7 3
+_ 6 1  _ 3 5  _ _ _
+
+5 _ _  _ _ 4  1 6 _
+_ _ 2  _ _ _  4 _ _
+_ _ 9  _ 1 _  _ _ _
+
+SOLUTION:
+9 4 6  1 2 3  7 5 8
+1 2 8  7 5 9  3 4 6
+3 7 5  4 8 6  2 9 1
+
+8 9 3  2 4 7  6 1 5
+2 5 4  9 6 1  8 7 3
+7 6 1  8 3 5  9 2 4
+
+5 8 7  3 9 4  1 6 2
+6 1 2  5 7 8  4 3 9
+4 3 9  6 1 2  5 8 7
+
+RATING: 4.25
+DATA:
+{"puzzle":[6,null,null,null,null,3,null,null,5,null,3,null,null,null,null,7,0,null,1,null,7,0,null,null,6,null,null,null,1,3,null,5,6,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,4,null,null,8,null,null,2,null,null,null,null,null,null,null,null,null,null,4,null,8,5,null,3,1,null,null,null,null,4,null,null,null,null],"solution":[6,0,2,8,7,3,1,4,5,4,3,8,5,6,1,7,0,2,1,5,7,0,2,4,6,8,3,8,1,3,7,5,6,4,2,0,7,4,0,2,1,8,3,5,6,5,2,6,4,3,0,8,1,7,2,8,1,3,0,7,5,6,4,0,7,4,6,8,5,2,3,1,3,6,5,1,4,2,0,7,8]}
+PUZZLE:
+7 _ _  _ _ 4  _ _ 6
+_ 4 _  _ _ _  8 1 _
+2 _ 8  1 _ _  7 _ _
+
+_ 2 4  _ 6 7  _ _ _
+_ _ _  _ _ _  _ _ _
+_ 3 _  5 _ _  9 _ _
+
+3 _ _  _ _ _  _ _ _
+_ _ 5  _ 9 6  _ 4 2
+_ _ _  _ 5 _  _ _ _
+
+SOLUTION:
+7 1 3  9 8 4  2 5 6
+5 4 9  6 7 2  8 1 3
+2 6 8  1 3 5  7 9 4
+
+9 2 4  8 6 7  5 3 1
+8 5 1  3 2 9  4 6 7
+6 3 7  5 4 1  9 2 8
+
+3 9 2  4 1 8  6 7 5
+1 8 5  7 9 6  3 4 2
+4 7 6  2 5 3  1 8 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,7,null,null,null,3,null,null,7,2,null,0,null,5,null,null,null,null,3,null,2,null,2,null,null,null,3,8,6,null,null,null,null,8,null,6,null,null,4,null,null,null,6,null,null,null,1,null,null,null,6,1,null,null,null,0,null,4,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,8,null],"solution":[6,8,2,4,0,5,7,1,3,1,3,4,6,7,2,8,0,5,5,0,7,8,1,3,4,2,6,2,4,5,1,3,8,6,7,0,3,1,8,7,6,0,5,4,2,0,7,6,2,5,4,1,3,8,8,6,1,3,2,7,0,5,4,4,2,0,5,8,1,3,6,7,7,5,3,0,4,6,2,8,1]}
+PUZZLE:
+_ _ _  5 _ _  8 _ _
+_ 4 _  _ 8 3  _ 1 _
+6 _ _  _ _ 4  _ 3 _
+
+3 _ _  _ 4 9  7 _ _
+_ _ 9  _ 7 _  _ 5 _
+_ _ 7  _ _ _  2 _ _
+
+_ 7 2  _ _ _  1 _ 5
+_ _ _  6 _ _  _ _ _
+_ _ _  _ _ _  _ 9 _
+
+SOLUTION:
+7 9 3  5 1 6  8 2 4
+2 4 5  7 8 3  9 1 6
+6 1 8  9 2 4  5 3 7
+
+3 5 6  2 4 9  7 8 1
+4 2 9  8 7 1  6 5 3
+1 8 7  3 6 5  2 4 9
+
+9 7 2  4 3 8  1 6 5
+5 3 1  6 9 2  4 7 8
+8 6 4  1 5 7  3 9 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,0,6,null,null,null,5,3,null,4,null,null,null,null,null,null,null,null,null,5,7,null,null,null,6,null,0,null,null,null,5,3,null,null,null,null,null,null,null,null,null,null,null,8,1,null,null,null,null,null,0,3,null,5,null,7,null,1,null,null,null,null,null,8,null,4,null,6,null,null,1,null,null,null,null,0,4,null],"solution":[1,2,8,3,0,6,7,5,4,5,3,7,4,8,1,2,0,6,0,6,4,2,5,7,8,1,3,6,7,0,1,4,2,5,3,8,2,5,3,0,6,8,4,7,1,4,8,1,7,3,5,6,2,0,3,4,5,6,7,0,1,8,2,7,0,2,8,1,4,3,6,5,8,1,6,5,2,3,0,4,7]}
+PUZZLE:
+_ _ _  _ 1 7  _ _ _
+6 4 _  5 _ _  _ _ _
+_ _ _  _ 6 8  _ _ _
+
+7 _ 1  _ _ _  6 4 _
+_ _ _  _ _ _  _ _ _
+_ 9 2  _ _ _  _ _ 1
+
+4 _ 6  _ 8 _  2 _ _
+_ _ _  9 _ 5  _ 7 _
+_ 2 _  _ _ _  1 5 _
+
+SOLUTION:
+2 3 9  4 1 7  8 6 5
+6 4 8  5 9 2  3 1 7
+1 7 5  3 6 8  9 2 4
+
+7 8 1  2 5 3  6 4 9
+3 6 4  1 7 9  5 8 2
+5 9 2  8 4 6  7 3 1
+
+4 5 6  7 8 1  2 9 3
+8 1 3  9 2 5  4 7 6
+9 2 7  6 3 4  1 5 8
 
 RATING: 1.25
 DATA:
-{"puzzle":[null,null,4,null,8,null,null,1,null,null,null,null,null,null,6,null,7,null,7,null,null,null,null,4,null,null,5,null,3,null,4,null,null,2,null,null,1,4,8,null,null,null,0,null,3,null,null,0,null,null,null,null,null,null,8,null,null,null,null,null,3,0,null,4,null,null,null,null,null,null,null,null,null,null,1,null,null,0,null,5,null],"solution":[5,2,4,7,8,3,6,1,0,0,8,3,1,5,6,4,7,2,7,1,6,0,2,4,8,3,5,6,3,5,4,0,1,2,8,7,1,4,8,5,7,2,0,6,3,2,7,0,3,6,8,5,4,1,8,5,2,6,1,7,3,0,4,4,0,7,8,3,5,1,2,6,3,6,1,2,4,0,7,5,8]}
+{"puzzle":[null,7,8,null,4,null,null,6,null,3,null,null,null,null,5,4,null,null,null,null,null,7,null,null,null,null,3,null,5,6,null,null,null,1,null,null,null,null,null,null,null,6,null,3,null,null,null,null,null,7,8,null,null,null,1,null,4,5,null,null,null,null,null,0,null,5,null,null,2,null,null,1,null,null,null,null,null,null,null,0,2],"solution":[5,7,8,3,4,1,2,6,0,3,6,0,2,8,5,4,1,7,2,4,1,7,6,0,8,5,3,8,5,6,0,2,3,1,7,4,7,1,2,4,5,6,0,3,8,4,0,3,1,7,8,6,2,5,1,2,4,5,0,7,3,8,6,0,8,5,6,3,2,7,4,1,6,3,7,8,1,4,5,0,2]}
 PUZZLE:
-_ _ 5  _ 9 _  _ 2 _
-_ _ _  _ _ 7  _ 8 _
-8 _ _  _ _ 5  _ _ 6
+_ 8 9  _ 5 _  _ 7 _
+4 _ _  _ _ 6  5 _ _
+_ _ _  8 _ _  _ _ 4
 
-_ 4 _  5 _ _  3 _ _
-2 5 9  _ _ _  1 _ 4
-_ _ 1  _ _ _  _ _ _
+_ 6 7  _ _ _  2 _ _
+_ _ _  _ _ 7  _ 4 _
+_ _ _  _ 8 9  _ _ _
 
-9 _ _  _ _ _  4 1 _
-5 _ _  _ _ _  _ _ _
-_ _ 2  _ _ 1  _ 6 _
+2 _ 5  6 _ _  _ _ _
+1 _ 6  _ _ 3  _ _ 2
+_ _ _  _ _ _  _ 1 3
 
 SOLUTION:
-6 3 5  8 9 4  7 2 1
-1 9 4  2 6 7  5 8 3
-8 2 7  1 3 5  9 4 6
+6 8 9  4 5 2  3 7 1
+4 7 1  3 9 6  5 2 8
+3 5 2  8 7 1  9 6 4
 
-7 4 6  5 1 2  3 9 8
-2 5 9  6 8 3  1 7 4
-3 8 1  4 7 9  6 5 2
+9 6 7  1 3 4  2 8 5
+8 2 3  5 6 7  1 4 9
+5 1 4  2 8 9  7 3 6
 
-9 6 3  7 2 8  4 1 5
-5 1 8  9 4 6  2 3 7
+2 3 5  6 1 8  4 9 7
+1 9 6  7 4 3  8 5 2
+7 4 8  9 2 5  6 1 3
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,0,null,null,null,null,null,null,2,null,null,1,null,null,null,null,6,4,5,null,null,null,null,0,null,null,null,null,null,3,7,null,2,null,0,null,null,null,2,null,1,null,6,7,null,7,null,null,5,3,null,null,null,null,null,3,8,null,0,null,null,null,null,null,null,null,null,null,null,7,null,null,4,null,null,6,null,null,null,2,null],"solution":[3,0,4,1,7,6,8,5,2,2,7,1,8,5,3,0,6,4,5,8,6,4,2,0,1,3,7,1,4,3,7,6,2,5,0,8,8,5,2,0,1,4,6,7,3,7,6,0,5,3,8,2,4,1,6,3,8,2,0,7,4,1,5,0,2,5,3,4,1,7,8,6,4,1,7,6,8,5,3,2,0]}
+PUZZLE:
+_ 1 _  _ _ _  _ _ 3
+_ _ 2  _ _ _  _ 7 5
+6 _ _  _ _ 1  _ _ _
+
+_ _ 4  8 _ 3  _ 1 _
+_ _ 3  _ 2 _  7 8 _
+8 _ _  6 4 _  _ _ _
+
+_ 4 9  _ 1 _  _ _ _
+_ _ _  _ _ _  8 _ _
+5 _ _  7 _ _  _ 3 _
+
+SOLUTION:
+4 1 5  2 8 7  9 6 3
+3 8 2  9 6 4  1 7 5
+6 9 7  5 3 1  2 4 8
+
+2 5 4  8 7 3  6 1 9
+9 6 3  1 2 5  7 8 4
+8 7 1  6 4 9  3 5 2
+
+7 4 9  3 1 8  5 2 6
+1 3 6  4 5 2  8 9 7
+5 2 8  7 9 6  4 3 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[0,null,null,null,null,null,null,null,6,null,null,5,4,null,null,3,null,7,null,null,3,6,0,null,2,null,null,null,null,null,null,1,null,null,null,null,8,null,1,null,4,null,null,3,null,5,7,null,null,null,6,null,null,null,null,3,8,null,null,null,null,null,null,null,null,2,null,null,null,4,null,5,null,null,null,null,2,null,null,1,null],"solution":[0,1,7,3,5,2,8,4,6,2,6,5,4,8,1,3,0,7,4,8,3,6,0,7,2,5,1,3,4,6,2,1,0,5,7,8,8,2,1,7,4,5,6,3,0,5,7,0,8,3,6,1,2,4,1,3,8,5,7,4,0,6,2,7,0,2,1,6,3,4,8,5,6,5,4,0,2,8,7,1,3]}
+PUZZLE:
+1 _ _  _ _ _  _ _ 7
+_ _ 6  5 _ _  4 _ 8
+_ _ 4  7 1 _  3 _ _
+
+_ _ _  _ 2 _  _ _ _
+9 _ 2  _ 5 _  _ 4 _
+6 8 _  _ _ 7  _ _ _
+
+_ 4 9  _ _ _  _ _ _
+_ _ 3  _ _ _  5 _ 6
+_ _ _  _ 3 _  _ 2 _
+
+SOLUTION:
+1 2 8  4 6 3  9 5 7
+3 7 6  5 9 2  4 1 8
+5 9 4  7 1 8  3 6 2
+
+4 5 7  3 2 1  6 8 9
+9 3 2  8 5 6  7 4 1
+6 8 1  9 4 7  2 3 5
+
+2 4 9  6 8 5  1 7 3
+8 1 3  2 7 4  5 9 6
+7 6 5  1 3 9  8 2 4
+
+RATING: 2
+DATA:
+{"puzzle":[1,5,null,null,null,null,null,null,null,7,null,null,null,1,null,null,null,2,null,3,null,null,null,5,null,0,null,null,8,null,6,null,null,null,2,7,null,4,null,null,3,null,null,1,0,null,6,null,null,null,null,5,null,null,null,null,null,7,null,null,null,null,1,null,null,null,1,null,null,null,null,null,null,null,5,null,null,6,4,null,null],"solution":[1,5,8,0,6,2,7,4,3,7,0,6,4,1,3,8,5,2,4,3,2,8,7,5,1,0,6,5,8,0,6,4,1,3,2,7,2,4,7,5,3,8,6,1,0,3,6,1,2,0,7,5,8,4,8,2,3,7,5,4,0,6,1,6,7,4,1,8,0,2,3,5,0,1,5,3,2,6,4,7,8]}
+PUZZLE:
+2 6 _  _ _ _  _ _ _
+8 _ _  _ 2 _  _ _ 3
+_ 4 _  _ _ 6  _ 1 _
+
+_ 9 _  7 _ _  _ 3 8
+_ 5 _  _ 4 _  _ 2 1
+_ 7 _  _ _ _  6 _ _
+
+_ _ _  8 _ _  _ _ 2
+_ _ _  2 _ _  _ _ _
+_ _ 6  _ _ 7  5 _ _
+
+SOLUTION:
+2 6 9  1 7 3  8 5 4
+8 1 7  5 2 4  9 6 3
+5 4 3  9 8 6  2 1 7
+
+6 9 1  7 5 2  4 3 8
+3 5 8  6 4 9  7 2 1
+4 7 2  3 1 8  6 9 5
+
+9 3 4  8 6 5  1 7 2
+7 8 5  2 9 1  3 4 6
+1 2 6  4 3 7  5 8 9
+
+RATING: 0
+DATA:
+{"puzzle":[4,5,null,null,null,null,null,7,null,null,null,null,0,null,null,6,5,null,null,1,8,null,null,5,null,null,null,null,2,null,null,6,null,1,null,7,null,null,4,null,null,0,3,null,null,null,null,null,null,4,null,null,null,null,null,null,3,6,0,null,2,null,null,null,null,null,8,null,null,null,null,4,7,null,null,null,null,null,null,null,6],"solution":[4,5,0,2,1,6,8,7,3,3,7,2,0,8,4,6,5,1,6,1,8,7,3,5,4,2,0,0,2,5,3,6,8,1,4,7,1,6,4,5,7,0,3,8,2,8,3,7,1,4,2,0,6,5,5,4,3,6,0,7,2,1,8,2,0,6,8,5,1,7,3,4,7,8,1,4,2,3,5,0,6]}
+PUZZLE:
+5 6 _  _ _ _  _ 8 _
+_ _ _  1 _ _  7 6 _
+_ 2 9  _ _ 6  _ _ _
+
+_ 3 _  _ 7 _  2 _ 8
+_ _ 5  _ _ 1  4 _ _
+_ _ _  _ 5 _  _ _ _
+
+_ _ 4  7 1 _  3 _ _
+_ _ _  9 _ _  _ _ 5
+8 _ _  _ _ _  _ _ 7
+
+SOLUTION:
+5 6 1  3 2 7  9 8 4
+4 8 3  1 9 5  7 6 2
+7 2 9  8 4 6  5 3 1
+
+1 3 6  4 7 9  2 5 8
+2 7 5  6 8 1  4 9 3
+9 4 8  2 5 3  1 7 6
+
+6 5 4  7 1 8  3 2 9
+3 1 7  9 6 2  8 4 5
+8 9 2  5 3 4  6 1 7
+
+RATING: 1
+DATA:
+{"puzzle":[5,null,null,1,null,null,2,null,null,2,null,6,5,null,null,null,null,null,null,null,null,null,null,null,null,null,0,6,null,null,3,null,null,8,1,null,null,null,8,null,null,6,7,2,4,null,4,null,8,1,null,null,null,null,null,null,7,null,3,4,null,null,null,null,null,1,null,null,null,null,4,null,null,null,null,null,null,null,6,null,null],"solution":[5,8,4,1,6,0,2,7,3,2,0,6,5,7,3,4,8,1,1,7,3,4,2,8,5,6,0,6,2,0,3,4,7,8,1,5,3,1,8,0,5,6,7,2,4,7,4,5,8,1,2,0,3,6,8,5,7,6,3,4,1,0,2,0,6,1,2,8,5,3,4,7,4,3,2,7,0,1,6,5,8]}
+PUZZLE:
+6 _ _  2 _ _  3 _ _
+3 _ 7  6 _ _  _ _ _
+_ _ _  _ _ _  _ _ 1
+
+7 _ _  4 _ _  9 2 _
+_ _ 9  _ _ 7  8 3 5
+_ 5 _  9 2 _  _ _ _
+
+_ _ 8  _ 4 5  _ _ _
+_ _ 2  _ _ _  _ 5 _
+_ _ _  _ _ _  7 _ _
+
+SOLUTION:
+6 9 5  2 7 1  3 8 4
+3 1 7  6 8 4  5 9 2
+2 8 4  5 3 9  6 7 1
+
+7 3 1  4 5 8  9 2 6
+4 2 9  1 6 7  8 3 5
+8 5 6  9 2 3  1 4 7
+
+9 6 8  7 4 5  2 1 3
+1 7 2  3 9 6  4 5 8
+5 4 3  8 1 2  7 6 9
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,1,8,4,null,null,6,null,null,null,null,null,null,0,null,null,2,3,null,6,null,null,null,null,null,null,null,null,8,null,null,3,null,4,null,6,null,null,null,null,null,null,null,null,null,5,null,null,null,6,2,null,null,null,null,null,null,5,null,7,null,null,null,null,null,null,null,null,1,null,3,2,null,0,null,7,4,null,null,5],"solution":[5,2,1,8,4,7,3,6,0,4,8,7,6,3,0,5,1,2,3,0,6,2,1,5,4,7,8,1,7,8,5,2,3,0,4,6,6,3,2,4,0,1,8,5,7,0,5,4,7,8,6,2,3,1,8,6,3,1,5,2,7,0,4,7,4,5,0,6,8,1,2,3,2,1,0,3,7,4,6,8,5]}
+PUZZLE:
+_ _ 2  9 5 _  _ 7 _
+_ _ _  _ _ 1  _ _ 3
+4 _ 7  _ _ _  _ _ _
+
+_ _ 9  _ _ 4  _ 5 _
+7 _ _  _ _ _  _ _ _
+_ 6 _  _ _ 7  3 _ _
+
+_ _ _  _ 6 _  8 _ _
+_ _ _  _ _ _  2 _ 4
+3 _ 1  _ 8 5  _ _ 6
+
+SOLUTION:
+6 3 2  9 5 8  4 7 1
+5 9 8  7 4 1  6 2 3
+4 1 7  3 2 6  5 8 9
+
+2 8 9  6 3 4  1 5 7
+7 4 3  5 1 2  9 6 8
+1 6 5  8 9 7  3 4 2
+
+9 7 4  2 6 3  8 1 5
+8 5 6  1 7 9  2 3 4
+3 2 1  4 8 5  7 9 6
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,3,null,7,null,null,null,null,null,8,null,1,null,null,null,5,7,2,null,null,null,6,null,4,null,null,8,5,2,null,null,2,null,8,null,null,0,null,null,4,null,null,1,null,null,null,null,0,null,null,null,null,4,null,null,null,null,1,null,3,2,null,6,null,null,null,null,null,null,null,null,null,2,null,null,null],"solution":[6,2,0,5,1,4,3,8,7,4,7,3,6,0,8,5,1,2,1,8,5,7,2,3,0,4,6,0,4,7,1,8,5,2,6,3,2,6,8,3,7,0,1,5,4,3,5,1,2,4,6,7,0,8,5,0,6,4,3,7,8,2,1,8,3,2,0,6,1,4,7,5,7,1,4,8,5,2,6,3,0]}
+PUZZLE:
+_ _ _  _ _ _  4 _ 8
+_ _ _  _ _ 9  _ 2 _
+_ _ 6  8 3 _  _ _ 7
+
+_ 5 _  _ 9 6  3 _ _
+3 _ 9  _ _ 1  _ _ 5
+_ _ 2  _ _ _  _ 1 _
+
+_ _ _  5 _ _  _ _ 2
+_ 4 3  _ 7 _  _ _ _
+_ _ _  _ _ 3  _ _ _
+
+SOLUTION:
+7 3 1  6 2 5  4 9 8
+5 8 4  7 1 9  6 2 3
+2 9 6  8 3 4  1 5 7
+
+1 5 8  2 9 6  3 7 4
+3 7 9  4 8 1  2 6 5
+4 6 2  3 5 7  8 1 9
+
+6 1 7  5 4 8  9 3 2
+9 4 3  1 7 2  5 8 6
+8 2 5  9 6 3  7 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,8,null,null,null,null,0,null,null,null,null,null,2,null,4,1,null,null,7,null,null,null,3,null,null,8,0,1,null,null,5,null,null,null,null,5,null,null,3,4,null,null,6,null,null,null,null,null,null,2,null,null,1,4,null,0,null,null,null,null,null,null,3,2,null,null,null,4,null,null,6,null,null,null,null,null,null],"solution":[6,5,3,2,0,8,4,7,1,8,0,7,1,4,3,5,2,6,4,1,2,6,7,5,0,8,3,3,2,8,0,1,4,6,5,7,1,7,0,5,6,2,3,4,8,5,6,4,8,3,7,1,0,2,7,3,1,4,8,0,2,6,5,0,8,5,3,2,6,7,1,4,2,4,6,7,5,1,8,3,0]}
+PUZZLE:
+_ _ _  _ _ 9  _ _ _
+_ 1 _  _ _ _  _ 3 _
+5 2 _  _ 8 _  _ _ 4
+
+_ _ 9  1 2 _  _ 6 _
+_ _ _  6 _ _  4 5 _
+_ 7 _  _ _ _  _ _ 3
+
+_ _ 2  5 _ 1  _ _ _
+_ _ _  4 3 _  _ _ 5
+_ _ 7  _ _ _  _ _ _
+
+SOLUTION:
+7 6 4  3 1 9  5 8 2
+9 1 8  2 5 4  6 3 7
+5 2 3  7 8 6  1 9 4
+
+4 3 9  1 2 5  7 6 8
+2 8 1  6 7 3  4 5 9
+6 7 5  9 4 8  2 1 3
+
+8 4 2  5 9 1  3 7 6
+1 9 6  4 3 7  8 2 5
+3 5 7  8 6 2  9 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,6,null,7,null,null,3,7,null,null,null,0,null,null,1,null,0,null,null,null,1,null,6,null,6,null,8,null,7,3,null,null,null,null,null,null,5,null,null,null,1,null,null,null,7,null,null,null,null,8,null,8,null,0,null,1,null,null,null,null,2,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,5,null],"solution":[4,8,1,3,6,2,7,0,5,3,7,6,4,5,0,8,2,1,5,0,2,7,8,1,3,6,4,6,5,8,1,7,3,0,4,2,0,4,3,5,2,8,6,1,7,1,2,7,6,0,4,5,8,3,8,3,0,2,1,5,4,7,6,2,6,5,8,4,7,1,3,0,7,1,4,0,3,6,2,5,8]}
+PUZZLE:
+5 _ _  _ 7 _  8 _ _
+4 8 _  _ _ 1  _ _ 2
+_ 1 _  _ _ 2  _ 7 _
+
+7 _ 9  _ 8 4  _ _ _
+_ _ _  6 _ _  _ 2 _
+_ _ 8  _ _ _  _ 9 _
+
+9 _ 1  _ 2 _  _ _ _
+3 _ _  9 _ _  _ _ _
+_ _ _  _ _ _  _ 6 _
+
+SOLUTION:
+5 9 2  4 7 3  8 1 6
+4 8 7  5 6 1  9 3 2
+6 1 3  8 9 2  4 7 5
+
+7 6 9  2 8 4  1 5 3
+1 5 4  6 3 9  7 2 8
+2 3 8  7 1 5  6 9 4
+
+9 4 1  3 2 6  5 8 7
+3 7 6  9 5 8  2 4 1
+8 2 5  1 4 7  3 6 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,null,null,1,null,2,null,7,5,null,null,null,6,null,8,3,null,null,8,null,null,4,null,null,null,null,4,null,null,2,null,null,null,null,2,null,7,5,3,null,4,null,null,null,null,null,null,6,null,7,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,5,null,null,null,1,7,null,null,null,null,null],"solution":[0,3,6,8,7,1,5,2,4,7,5,4,2,0,6,1,8,3,1,2,8,3,5,4,6,7,0,8,4,0,1,2,7,3,6,5,2,6,7,5,3,0,4,1,8,3,1,5,4,6,8,7,0,2,6,8,3,0,1,5,2,4,7,4,7,2,6,8,3,0,5,1,5,0,1,7,4,2,8,3,6]}
+PUZZLE:
+_ 4 _  _ _ 2  _ 3 _
+8 6 _  _ _ 7  _ 9 4
+_ _ 9  _ _ 5  _ _ _
+
+_ 5 _  _ 3 _  _ _ _
+3 _ 8  6 4 _  5 _ _
+_ _ _  _ 7 _  8 _ _
+
+7 _ _  _ _ _  _ _ _
+_ _ _  _ 9 _  _ 6 _
+_ _ 2  8 _ _  _ _ _
+
+SOLUTION:
+1 4 7  9 8 2  6 3 5
+8 6 5  3 1 7  2 9 4
+2 3 9  4 6 5  7 8 1
+
+9 5 1  2 3 8  4 7 6
+3 7 8  6 4 1  5 2 9
+4 2 6  5 7 9  8 1 3
+
+7 9 4  1 2 6  3 5 8
+5 8 3  7 9 4  1 6 2
+6 1 2  8 5 3  9 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,null,0,null,null,3,null,4,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,1,null,null,3,1,null,4,8,7,null,null,null,7,null,null,null,null,null,null,null,null,null,null,8,null,5,null,0,null,7,6,null,3,5,null,8,null,null,0,null,null,null,null,null,null,null,null,null,null,0,4,6,null,null,null],"solution":[7,1,5,8,2,0,4,6,3,3,4,0,6,7,1,2,5,8,8,6,2,4,5,3,7,0,1,0,5,3,1,6,4,8,7,2,4,8,7,5,0,2,3,1,6,6,2,1,3,8,7,5,4,0,1,7,6,2,3,5,0,8,4,2,0,4,7,1,8,6,3,5,5,3,8,0,4,6,1,2,7]}
+PUZZLE:
+_ _ _  9 _ 1  _ _ 4
+_ 5 _  _ _ _  _ _ _
+_ _ 3  _ _ _  _ _ 2
+
+_ _ 4  2 _ 5  9 8 _
+_ _ 8  _ _ _  _ _ _
+_ _ _  _ 9 _  6 _ 1
+
+_ 8 7  _ 4 6  _ 9 _
+_ 1 _  _ _ _  _ _ _
+_ _ _  1 5 7  _ _ _
+
+SOLUTION:
+8 2 6  9 3 1  5 7 4
+4 5 1  7 8 2  3 6 9
+9 7 3  5 6 4  8 1 2
+
+1 6 4  2 7 5  9 8 3
+5 9 8  6 1 3  4 2 7
+7 3 2  4 9 8  6 5 1
+
+2 8 7  3 4 6  1 9 5
+3 1 5  8 2 9  7 4 6
+6 4 9  1 5 7  2 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[8,4,null,null,null,5,1,null,null,null,null,null,null,3,null,7,null,null,null,null,null,null,null,null,6,null,5,null,8,null,null,null,null,null,null,null,null,3,null,4,null,null,null,null,2,0,null,2,null,null,1,5,null,null,null,null,7,2,null,null,null,null,3,null,null,null,null,null,null,null,0,null,null,null,5,null,1,0,null,null,null],"solution":[8,4,6,7,2,5,1,3,0,2,5,0,1,3,6,7,4,8,7,1,3,0,4,8,6,2,5,5,8,4,6,0,2,3,1,7,6,3,1,4,5,7,0,8,2,0,7,2,3,8,1,5,6,4,1,0,7,2,6,4,8,5,3,4,6,8,5,7,3,2,0,1,3,2,5,8,1,0,4,7,6]}
+PUZZLE:
+9 5 _  _ _ 6  2 _ _
+_ _ _  _ 4 _  8 _ _
+_ _ _  _ _ _  7 _ 6
+
+_ 9 _  _ _ _  _ _ _
+_ 4 _  5 _ _  _ _ 3
+1 _ 3  _ _ 2  6 _ _
+
+_ _ 8  3 _ _  _ _ 4
+_ _ _  _ _ _  _ 1 _
+_ _ 6  _ 2 1  _ _ _
+
+SOLUTION:
+9 5 7  8 3 6  2 4 1
+3 6 1  2 4 7  8 5 9
+8 2 4  1 5 9  7 3 6
+
+6 9 5  7 1 3  4 2 8
+7 4 2  5 6 8  1 9 3
+1 8 3  4 9 2  6 7 5
+
+2 1 8  3 7 5  9 6 4
+5 7 9  6 8 4  3 1 2
+4 3 6  9 2 1  5 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,7,5,null,null,0,null,null,0,null,null,null,null,null,6,7,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,0,null,null,null,2,1,6,0,null,null,3,null,null,null,null,4,null,null,null,6,null,4,null,null,null,null,null,null,null,5,8,null,null,2,null,4,null,null,null,null,1,null,null,null,null,2,0],"solution":[8,1,7,5,3,6,0,4,2,0,3,5,4,8,2,6,7,1,6,2,4,7,0,1,5,3,8,1,6,8,3,7,5,2,0,4,4,5,2,1,6,0,7,8,3,7,0,3,2,4,8,1,5,6,2,4,0,8,1,7,3,6,5,5,8,6,0,2,3,4,1,7,3,7,1,6,5,4,8,2,0]}
+PUZZLE:
+9 _ 8  6 _ _  1 _ _
+1 _ _  _ _ _  7 8 _
+_ _ _  _ _ 2  _ _ _
+
+_ _ _  _ _ _  _ 1 _
+_ _ 3  2 7 1  _ _ 4
+_ _ _  _ 5 _  _ _ 7
+
+_ 5 _  _ _ _  _ _ _
+6 9 _  _ 3 _  5 _ _
+_ _ 2  _ _ _  _ 3 1
+
+SOLUTION:
+9 2 8  6 4 7  1 5 3
+1 4 6  5 9 3  7 8 2
+7 3 5  8 1 2  6 4 9
+
+2 7 9  4 8 6  3 1 5
+5 6 3  2 7 1  8 9 4
+8 1 4  3 5 9  2 6 7
+
+3 5 1  9 2 8  4 7 6
+6 9 7  1 3 4  5 2 8
+4 8 2  7 6 5  9 3 1
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,5,null,6,null,null,null,null,null,6,null,7,0,null,null,null,null,null,null,null,5,null,null,null,7,null,null,4,null,3,null,null,null,null,6,null,null,8,null,2,null,null,null,null,null,0,6,null,null,null,null,null,8,3,null,null,null,8,null,4,null,null,null,null,null,null,null,null,null,1,3,1,null,null,null,null,6,2,null,null],"solution":[0,7,5,8,6,2,1,3,4,4,6,3,7,0,1,8,5,2,8,1,2,5,4,3,6,7,0,2,4,1,3,7,8,5,0,6,5,3,8,6,2,0,7,4,1,7,0,6,4,1,5,3,2,8,3,2,0,1,8,7,4,6,5,6,8,7,2,5,4,0,1,3,1,5,4,0,3,6,2,8,7]}
+PUZZLE:
+_ _ 6  _ 7 _  _ _ _
+_ 7 _  8 1 _  _ _ _
+_ _ _  6 _ _  _ 8 _
+
+_ 5 _  4 _ _  _ _ 7
+_ _ 9  _ 3 _  _ _ _
+_ 1 7  _ _ _  _ _ 9
+
+4 _ _  _ 9 _  5 _ _
+_ _ _  _ _ _  _ 2 4
+2 _ _  _ _ 7  3 _ _
+
+SOLUTION:
+1 8 6  9 7 3  2 4 5
+5 7 4  8 1 2  9 6 3
+9 2 3  6 5 4  7 8 1
+
+3 5 2  4 8 9  6 1 7
+6 4 9  7 3 1  8 5 2
+8 1 7  5 2 6  4 3 9
+
+4 3 1  2 9 8  5 7 6
+7 9 8  3 6 5  1 2 4
+2 6 5  1 4 7  3 9 8
+
+RATING: 2.5
+DATA:
+{"puzzle":[7,null,5,0,null,null,null,null,4,null,1,null,null,null,7,3,null,null,null,null,null,null,4,null,null,null,6,null,null,3,4,5,null,8,null,null,null,null,2,8,null,null,null,null,null,null,6,1,null,7,null,null,null,null,null,null,null,null,0,4,null,null,null,null,null,null,null,null,null,null,3,null,null,3,0,null,null,null,4,null,7],"solution":[7,2,5,0,6,3,1,8,4,6,1,4,5,8,7,3,0,2,3,0,8,1,4,2,7,5,6,0,7,3,4,5,6,8,2,1,4,5,2,8,3,1,6,7,0,8,6,1,2,7,0,5,4,3,1,8,7,3,0,4,2,6,5,2,4,6,7,1,5,0,3,8,5,3,0,6,2,8,4,1,7]}
+PUZZLE:
+8 _ 6  1 _ _  _ _ 5
+_ 2 _  _ _ 8  4 _ _
+_ _ _  _ 5 _  _ _ 7
+
+_ _ 4  5 6 _  9 _ _
+_ _ 3  9 _ _  _ _ _
+_ 7 2  _ 8 _  _ _ _
+
+_ _ _  _ 1 5  _ _ _
+_ _ _  _ _ _  _ 4 _
+_ 4 1  _ _ _  5 _ 8
+
+SOLUTION:
+8 3 6  1 7 4  2 9 5
+7 2 5  6 9 8  4 1 3
+4 1 9  2 5 3  8 6 7
+
+1 8 4  5 6 7  9 3 2
+5 6 3  9 4 2  7 8 1
+9 7 2  3 8 1  6 5 4
+
+2 9 8  4 1 5  3 7 6
+3 5 7  8 2 6  1 4 9
+6 4 1  7 3 9  5 2 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[0,5,null,null,null,null,null,null,null,null,null,2,null,null,null,null,6,null,1,null,null,null,null,7,null,5,null,3,null,null,8,2,null,7,null,null,4,null,null,null,null,6,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,1,3,null,5,null,8,null,7,null,2,4,null,null,null,null,4,0,null,null,null,8,1],"solution":[0,5,6,2,4,8,1,3,7,8,7,2,1,5,3,0,6,4,1,4,3,6,0,7,8,5,2,3,6,5,8,2,4,7,1,0,4,0,7,3,1,6,5,2,8,2,1,8,5,7,0,6,4,3,6,2,0,4,8,1,3,7,5,5,8,1,7,3,2,4,0,6,7,3,4,0,6,5,2,8,1]}
+PUZZLE:
+1 6 _  _ _ _  _ _ _
+_ _ 3  _ _ _  _ 7 _
+2 _ _  _ _ 8  _ 6 _
+
+4 _ _  9 3 _  8 _ _
+5 _ _  _ _ 7  _ _ _
+_ _ _  6 _ _  _ _ _
+
+_ _ _  _ _ 2  4 _ 6
+_ 9 _  8 _ 3  5 _ _
+_ _ 5  1 _ _  _ 9 2
+
+SOLUTION:
+1 6 7  3 5 9  2 4 8
+9 8 3  2 6 4  1 7 5
+2 5 4  7 1 8  9 6 3
+
+4 7 6  9 3 5  8 2 1
+5 1 8  4 2 7  6 3 9
+3 2 9  6 8 1  7 5 4
+
+7 3 1  5 9 2  4 8 6
+6 9 2  8 4 3  5 1 7
+8 4 5  1 7 6  3 9 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,4,5,null,1,2,null,4,6,null,null,null,null,7,6,null,null,null,null,null,null,6,null,null,null,null,null,null,2,1,0,null,null,null,5,null,null,null,null,null,8,null,null,null,null,null,null,4,null,null,null,null,6,2,null,0,null,null,null,null,null,null,8,7,1,7,null,2,null,1,null,null,4,null],"solution":[8,2,6,1,7,3,5,0,4,5,3,1,2,0,4,6,8,7,0,4,7,6,5,8,1,2,3,3,6,5,8,4,7,0,1,2,1,0,4,3,2,5,7,6,8,2,7,8,0,6,1,4,3,5,4,1,3,7,8,6,2,5,0,6,5,0,4,3,2,8,7,1,7,8,2,5,1,0,3,4,6]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 5
+6 _ 2  3 _ 5  7 _ _
+_ _ 8  7 _ _  _ _ _
+
+_ 7 _  _ _ _  _ _ 3
+2 1 _  _ _ 6  _ _ _
+_ _ 9  _ _ _  _ _ _
+
+5 _ _  _ _ 7  3 _ 1
+_ _ _  _ _ _  9 8 2
+8 _ 3  _ 2 _  _ 5 _
+
+SOLUTION:
+9 3 7  2 8 4  6 1 5
+6 4 2  3 1 5  7 9 8
+1 5 8  7 6 9  2 3 4
+
+4 7 6  9 5 8  1 2 3
+2 1 5  4 3 6  8 7 9
+3 8 9  1 7 2  5 4 6
+
+5 2 4  8 9 7  3 6 1
+7 6 1  5 4 3  9 8 2
+8 9 3  6 2 1  4 5 7
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,3,null,null,null,null,null,null,0,2,6,5,4,null,3,null,0,null,4,null,6,5,7,null,1,null,5,3,2,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,1,null,null,7,0,8,null,null,null,null,6,null,8,null,null,3,null],"solution":[2,4,0,5,3,6,1,8,7,6,5,7,1,4,8,3,0,2,1,8,3,7,0,2,6,5,4,8,3,2,0,1,4,7,6,5,7,0,1,6,5,3,2,4,8,4,6,5,8,2,7,0,1,3,3,2,8,4,6,1,5,7,0,5,1,4,3,7,0,8,2,6,0,7,6,2,8,5,4,3,1]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+_ _ 8  _ _ _  4 _ _
+_ _ _  _ 1 3  7 6 5
+
+_ 4 _  1 _ 5  _ 7 6
+8 _ 2  _ 6 4  3 _ _
+_ _ 6  _ _ _  _ _ _
+
+_ _ _  _ _ _  _ _ 1
+_ 2 _  _ 8 1  9 _ _
+_ _ 7  _ 9 _  _ 4 _
+
+SOLUTION:
+3 5 1  6 4 7  2 9 8
+7 6 8  2 5 9  4 1 3
+2 9 4  8 1 3  7 6 5
+
+9 4 3  1 2 5  8 7 6
+8 1 2  7 6 4  3 5 9
+5 7 6  9 3 8  1 2 4
+
+4 3 9  5 7 2  6 8 1
+6 2 5  4 8 1  9 3 7
+1 8 7  3 9 6  5 4 2
+
+RATING: 0
+DATA:
+{"puzzle":[5,6,7,null,null,null,null,8,null,null,null,1,5,null,null,null,null,2,2,null,null,1,null,null,null,null,null,null,null,null,null,2,8,null,null,null,null,null,null,null,null,null,7,2,null,null,7,null,null,1,null,6,null,4,0,null,null,2,null,null,null,7,null,null,2,null,null,null,7,null,null,null,null,null,5,null,null,null,null,null,1],"solution":[5,6,7,4,0,2,1,8,3,4,8,1,5,7,3,0,6,2,2,0,3,1,8,6,5,4,7,6,5,4,7,2,8,3,1,0,3,1,0,6,4,5,7,2,8,8,7,2,3,1,0,6,5,4,0,4,6,2,3,1,8,7,5,1,2,8,0,5,7,4,3,6,7,3,5,8,6,4,2,0,1]}
+PUZZLE:
+6 7 8  _ _ _  _ 9 _
+_ _ 2  6 _ _  _ _ 3
+3 _ _  2 _ _  _ _ _
+
+_ _ _  _ 3 9  _ _ _
+_ _ _  _ _ _  8 3 _
+_ 8 _  _ 2 _  7 _ 5
+
+1 _ _  3 _ _  _ 8 _
+_ 3 _  _ _ 8  _ _ _
+_ _ 6  _ _ _  _ _ 2
+
+SOLUTION:
+6 7 8  5 1 3  2 9 4
+5 9 2  6 8 4  1 7 3
+3 1 4  2 9 7  6 5 8
+
+7 6 5  8 3 9  4 2 1
+4 2 1  7 5 6  8 3 9
+9 8 3  4 2 1  7 6 5
+
+1 5 7  3 4 2  9 8 6
+2 3 9  1 6 8  5 4 7
+8 4 6  9 7 5  3 1 2
+
+RATING: 1
+DATA:
+{"puzzle":[null,7,null,null,null,null,null,null,1,null,null,6,8,null,null,null,5,null,null,null,null,5,null,0,8,null,null,8,null,0,null,null,null,null,6,null,null,null,null,2,4,null,null,null,null,null,null,null,3,null,null,null,null,5,null,null,null,null,null,7,4,null,3,null,4,null,null,null,null,null,null,null,null,null,5,null,null,null,null,1,2],"solution":[5,7,8,4,6,2,0,3,1,4,0,6,8,3,1,2,5,7,2,1,3,5,7,0,8,4,6,8,2,0,7,1,5,3,6,4,3,5,7,2,4,6,1,8,0,1,6,4,3,0,8,7,2,5,6,8,2,1,5,7,4,0,3,0,4,1,6,2,3,5,7,8,7,3,5,0,8,4,6,1,2]}
+PUZZLE:
+_ 8 _  _ _ _  _ _ 2
+_ _ 7  9 _ _  _ 6 _
+_ _ _  6 _ 1  9 _ _
+
+9 _ 1  _ _ _  _ 7 _
+_ _ _  3 5 _  _ _ _
+_ _ _  4 _ _  _ _ 6
+
+_ _ _  _ _ 8  5 _ 4
+_ 5 _  _ _ _  _ _ _
+_ _ 6  _ _ _  _ 2 3
+
+SOLUTION:
+6 8 9  5 7 3  1 4 2
+5 1 7  9 4 2  3 6 8
+3 2 4  6 8 1  9 5 7
+
+9 3 1  8 2 6  4 7 5
+4 6 8  3 5 7  2 9 1
+2 7 5  4 1 9  8 3 6
+
+7 9 3  2 6 8  5 1 4
+1 5 2  7 3 4  6 8 9
+8 4 6  1 9 5  7 2 3
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,4,5,null,null,0,null,1,3,null,null,null,1,8,null,null,null,null,null,null,null,4,null,null,null,5,null,3,null,null,null,null,null,null,null,8,null,null,null,0,1,3,6,null,null,6,null,null,null,2,null,null,null,null,0,1,null,5,null,null,null,null,null,null,null,3,null,6,null,null,null,null,null,null,7,null,null,null,1,null,null],"solution":[8,4,5,6,7,0,2,1,3,7,3,2,1,8,5,0,6,4,1,0,6,4,3,2,8,5,7,3,2,1,7,5,6,4,0,8,5,8,4,0,1,3,6,7,2,6,7,0,8,2,4,5,3,1,0,1,8,5,4,7,3,2,6,4,5,3,2,6,1,7,8,0,2,6,7,3,0,8,1,4,5]}
+PUZZLE:
+_ 5 6  _ _ 1  _ 2 4
+_ _ _  2 9 _  _ _ _
+_ _ _  5 _ _  _ 6 _
+
+4 _ _  _ _ _  _ _ 9
+_ _ _  1 2 4  7 _ _
+7 _ _  _ 3 _  _ _ _
+
+1 2 _  6 _ _  _ _ _
+_ _ 4  _ 7 _  _ _ _
+_ _ 8  _ _ _  2 _ _
+
+SOLUTION:
+9 5 6  7 8 1  3 2 4
+8 4 3  2 9 6  1 7 5
+2 1 7  5 4 3  9 6 8
+
+4 3 2  8 6 7  5 1 9
+6 9 5  1 2 4  7 8 3
+7 8 1  9 3 5  6 4 2
+
+1 2 9  6 5 8  4 3 7
+5 6 4  3 7 2  8 9 1
+3 7 8  4 1 9  2 5 6
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,5,2,null,null,null,null,null,null,8,null,4,null,null,0,6,null,null,3,null,null,null,5,null,7,3,null,null,null,null,null,null,2,null,null,1,null,null,null,null,null,null,null,null,null,null,1,6,null,8,null,null,0,null,7,null,null,null,4,null,1,null,null,null,null,8,null,null,null,null,2,6,null,null,1,0,null,null],"solution":[0,7,3,1,5,2,8,6,4,2,1,5,8,6,4,7,3,0,6,8,4,3,7,0,2,5,1,7,3,0,4,8,5,6,1,2,8,6,1,2,3,7,4,0,5,4,5,2,0,1,6,3,8,7,5,0,8,7,2,3,1,4,6,1,4,7,6,0,8,5,2,3,3,2,6,5,4,1,0,7,8]}
+PUZZLE:
+_ _ _  _ 6 3  _ _ _
+_ _ _  9 _ 5  _ _ 1
+7 _ _  4 _ _  _ 6 _
+
+8 4 _  _ _ _  _ _ 3
+_ _ 2  _ _ _  _ _ _
+_ _ _  _ 2 7  _ 9 _
+
+_ 1 _  8 _ _  _ 5 _
+2 _ _  _ _ 9  _ _ _
+_ 3 7  _ _ 2  1 _ _
+
+SOLUTION:
+1 8 4  2 6 3  9 7 5
+3 2 6  9 7 5  8 4 1
+7 9 5  4 8 1  3 6 2
+
+8 4 1  5 9 6  7 2 3
+9 7 2  3 4 8  5 1 6
+5 6 3  1 2 7  4 9 8
+
+6 1 9  8 3 4  2 5 7
+2 5 8  7 1 9  6 3 4
+4 3 7  6 5 2  1 8 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,null,null,1,null,null,2,null,null,6,7,null,null,null,3,null,1,null,4,null,0,null,null,null,7,null,null,null,null,null,8,null,1,null,null,2,null,null,null,7,null,0,null,3,null,null,4,null,null,null,null,5,null,null,null,null,2,null,null,6,null,null,null,null,6,null,0,2,null,null,null,null,null,0,null,null,null,4],"solution":[0,7,4,8,2,3,1,6,5,2,5,8,6,7,1,4,0,3,3,1,6,4,5,0,2,7,8,7,0,5,2,3,6,8,4,1,4,6,2,1,8,5,7,3,0,8,3,1,0,4,7,6,5,2,5,4,0,7,1,2,3,8,6,1,8,3,5,6,4,0,2,7,6,2,7,3,0,8,5,1,4]}
+PUZZLE:
+_ _ _  9 _ _  2 _ _
+3 _ _  7 8 _  _ _ 4
+_ 2 _  5 _ 1  _ _ _
+
+8 _ _  _ _ _  9 _ 2
+_ _ 3  _ _ _  8 _ 1
+_ 4 _  _ 5 _  _ _ _
+
+6 _ _  _ _ 3  _ _ 7
+_ _ _  _ 7 _  1 3 _
+_ _ _  _ 1 _  _ _ 5
+
+SOLUTION:
+1 8 5  9 3 4  2 7 6
+3 6 9  7 8 2  5 1 4
+4 2 7  5 6 1  3 8 9
+
+8 1 6  3 4 7  9 5 2
+5 7 3  2 9 6  8 4 1
+9 4 2  1 5 8  7 6 3
+
+6 5 1  8 2 3  4 9 7
+2 9 4  6 7 5  1 3 8
+7 3 8  4 1 9  6 2 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[4,null,null,null,7,null,null,null,null,6,null,null,null,null,0,null,null,8,null,null,0,null,4,5,null,null,null,null,null,null,null,null,1,0,null,null,2,3,null,null,null,null,null,null,null,null,1,null,7,8,null,4,null,2,null,null,null,null,null,null,null,null,5,null,4,null,null,null,null,2,null,null,null,8,null,null,5,null,6,7,null],"solution":[4,2,8,1,7,6,5,0,3,6,5,1,2,3,0,7,4,8,3,7,0,8,4,5,1,2,6,8,6,4,5,2,1,0,3,7,2,3,7,6,0,4,8,5,1,0,1,5,7,8,3,4,6,2,7,0,2,4,6,8,3,1,5,5,4,6,3,1,7,2,8,0,1,8,3,0,5,2,6,7,4]}
+PUZZLE:
+5 _ _  _ 8 _  _ _ _
+7 _ _  _ _ 1  _ _ 9
+_ _ 1  _ 5 6  _ _ _
+
+_ _ _  _ _ 2  1 _ _
+3 4 _  _ _ _  _ _ _
+_ 2 _  8 9 _  5 _ 3
+
+_ _ _  _ _ _  _ _ 6
+_ 5 _  _ _ _  3 _ _
+_ 9 _  _ 6 _  7 8 _
+
+SOLUTION:
+5 3 9  2 8 7  6 1 4
+7 6 2  3 4 1  8 5 9
+4 8 1  9 5 6  2 3 7
+
+9 7 5  6 3 2  1 4 8
+3 4 8  7 1 5  9 6 2
+1 2 6  8 9 4  5 7 3
+
+8 1 3  5 7 9  4 2 6
+6 5 7  4 2 8  3 9 1
+2 9 4  1 6 3  7 8 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[3,null,null,null,6,null,null,5,7,null,null,4,null,null,null,null,null,8,null,null,null,null,null,null,1,null,null,null,null,5,4,7,null,null,null,3,null,7,null,null,1,null,null,null,null,null,3,6,null,null,null,null,null,null,5,null,null,null,null,7,0,null,null,1,null,null,3,4,null,8,null,null,null,2,7,null,null,null,null,null,6],"solution":[3,0,1,2,6,8,4,5,7,7,5,4,1,3,0,6,2,8,6,8,2,7,5,4,1,3,0,0,1,5,4,7,6,2,8,3,2,7,8,0,1,3,5,6,4,4,3,6,8,2,5,7,0,1,5,4,3,6,8,7,0,1,2,1,6,0,3,4,2,8,7,5,8,2,7,5,0,1,3,4,6]}
+PUZZLE:
+4 _ _  _ 7 _  _ 6 8
+_ _ 5  _ _ _  _ _ 9
+_ _ _  _ _ _  2 _ _
+
+_ _ 6  5 8 _  _ _ 4
+_ 8 _  _ 2 _  _ _ _
+_ 4 7  _ _ _  _ _ _
+
+6 _ _  _ _ 8  1 _ _
+2 _ _  4 5 _  9 _ _
+_ 3 8  _ _ _  _ _ 7
+
+SOLUTION:
+4 1 2  3 7 9  5 6 8
+8 6 5  2 4 1  7 3 9
+7 9 3  8 6 5  2 4 1
+
+1 2 6  5 8 7  3 9 4
+3 8 9  1 2 4  6 7 5
+5 4 7  9 3 6  8 1 2
+
+6 5 4  7 9 8  1 2 3
+2 7 1  4 5 3  9 8 6
+9 3 8  6 1 2  4 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[7,null,null,null,1,2,null,null,null,null,null,8,null,4,3,null,0,null,3,null,null,null,null,null,null,7,null,null,0,null,null,5,null,null,null,null,null,null,null,1,null,4,2,null,null,1,null,null,8,null,null,null,5,null,null,null,null,5,null,null,null,2,6,null,null,1,null,0,null,null,null,null,6,null,null,2,3,1,null,null,null],"solution":[7,5,4,0,1,2,8,6,3,2,6,8,7,4,3,5,0,1,3,1,0,6,8,5,4,7,2,4,0,2,3,5,7,6,1,8,8,7,5,1,6,4,2,3,0,1,3,6,8,2,0,7,5,4,0,4,3,5,7,8,1,2,6,5,2,1,4,0,6,3,8,7,6,8,7,2,3,1,0,4,5]}
+PUZZLE:
+8 _ _  _ 2 3  _ _ _
+_ _ 9  _ 5 4  _ 1 _
+4 _ _  _ _ _  _ 8 _
+
+_ 1 _  _ 6 _  _ _ _
+_ _ _  2 _ 5  3 _ _
+2 _ _  9 _ _  _ 6 _
+
+_ _ _  6 _ _  _ 3 7
+_ _ 2  _ 1 _  _ _ _
+7 _ _  3 4 2  _ _ _
+
+SOLUTION:
+8 6 5  1 2 3  9 7 4
+3 7 9  8 5 4  6 1 2
+4 2 1  7 9 6  5 8 3
+
+5 1 3  4 6 8  7 2 9
+9 8 6  2 7 5  3 4 1
+2 4 7  9 3 1  8 6 5
+
+1 5 4  6 8 9  2 3 7
+6 3 2  5 1 7  4 9 8
+7 9 8  3 4 2  1 5 6
+
+RATING: 0
+DATA:
+{"puzzle":[7,4,8,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null,5,null,3,null,0,null,2,4,null,null,null,null,null,null,null,4,6,5,0,null,null,4,null,null,null,null,null,null,null,7,null,1,null,null,0,null,null,5,null,null,6,null,null,2,null,null,null,null,8,null,null,null,5,null,8,null,1,null,5,3,null,null,null],"solution":[7,4,8,2,3,6,5,1,0,2,0,6,5,4,1,3,8,7,5,1,3,7,0,8,2,4,6,1,8,2,3,7,0,4,6,5,0,6,5,4,8,2,7,3,1,4,3,7,6,1,5,8,0,2,3,5,4,1,6,7,0,2,8,6,7,0,8,2,4,1,5,3,8,2,1,0,5,3,6,7,4]}
+PUZZLE:
+8 5 9  _ _ _  _ _ _
+_ _ _  _ _ _  4 _ _
+6 _ 4  _ 1 _  3 5 _
+
+_ _ _  _ _ _  5 7 6
+1 _ _  5 _ _  _ _ _
+_ _ 8  _ 2 _  _ 1 _
+
+_ 6 _  _ 7 _  _ 3 _
+_ _ _  9 _ _  _ 6 _
+9 _ 2  _ 6 4  _ _ _
+
+SOLUTION:
+8 5 9  3 4 7  6 2 1
+3 1 7  6 5 2  4 9 8
+6 2 4  8 1 9  3 5 7
+
+2 9 3  4 8 1  5 7 6
+1 7 6  5 9 3  8 4 2
+5 4 8  7 2 6  9 1 3
+
+4 6 5  2 7 8  1 3 9
+7 8 1  9 3 5  2 6 4
+9 3 2  1 6 4  7 8 5
+
+RATING: 1
+DATA:
+{"puzzle":[null,4,null,8,null,null,7,null,null,null,null,null,0,4,null,null,5,null,1,null,null,null,null,3,0,null,8,null,8,null,null,null,null,6,null,null,null,1,null,null,null,2,null,null,null,5,null,3,null,null,null,null,null,0,null,null,null,6,null,null,null,null,5,null,7,null,null,8,5,null,null,null,null,null,6,null,1,null,null,null,null],"solution":[0,4,5,8,2,1,7,6,3,8,3,7,0,4,6,2,5,1,1,6,2,5,7,3,0,4,8,7,8,0,1,5,4,6,3,2,6,1,4,3,0,2,5,8,7,5,2,3,7,6,8,4,1,0,4,0,8,6,3,7,1,2,5,2,7,1,4,8,5,3,0,6,3,5,6,2,1,0,8,7,4]}
+PUZZLE:
+_ 5 _  9 _ _  8 _ _
+_ _ _  1 5 _  _ 6 _
+2 _ _  _ _ 4  1 _ 9
+
+_ 9 _  _ _ _  7 _ _
+_ 2 _  _ _ 3  _ _ _
+6 _ 4  _ _ _  _ _ 1
+
+_ _ _  7 _ _  _ _ 6
+_ 8 _  _ 9 6  _ _ _
+_ _ 7  _ 2 _  _ _ _
+
+SOLUTION:
+1 5 6  9 3 2  8 7 4
+9 4 8  1 5 7  3 6 2
+2 7 3  6 8 4  1 5 9
+
+8 9 1  2 6 5  7 4 3
+7 2 5  4 1 3  6 9 8
+6 3 4  8 7 9  5 2 1
+
+5 1 9  7 4 8  2 3 6
+3 8 2  5 9 6  4 1 7
+4 6 7  3 2 1  9 8 5
+
+RATING: 1
+DATA:
+{"puzzle":[6,null,2,3,8,null,null,null,null,null,null,null,null,null,null,null,null,6,null,1,null,6,null,5,7,2,null,null,null,null,null,null,null,null,1,null,null,0,null,null,1,null,null,null,5,null,null,null,null,null,2,0,4,7,2,null,null,null,null,3,1,null,null,null,null,6,null,null,null,null,null,null,null,null,3,null,0,7,null,null,null],"solution":[6,7,2,3,8,0,4,5,1,5,3,4,2,7,1,8,0,6,8,1,0,6,4,5,7,2,3,7,2,5,0,3,4,6,1,8,4,0,8,7,1,6,2,3,5,3,6,1,8,5,2,0,4,7,2,4,7,5,6,3,1,8,0,0,5,6,1,2,8,3,7,4,1,8,3,4,0,7,5,6,2]}
+PUZZLE:
+7 _ 3  4 9 _  _ _ _
+_ _ _  _ _ _  _ _ 7
+_ 2 _  7 _ 6  8 3 _
+
+_ _ _  _ _ _  _ 2 _
+_ 1 _  _ 2 _  _ _ 6
+_ _ _  _ _ 3  1 5 8
+
+3 _ _  _ _ 4  2 _ _
+_ _ 7  _ _ _  _ _ _
+_ _ 4  _ 1 8  _ _ _
+
+SOLUTION:
+7 8 3  4 9 1  5 6 2
+6 4 5  3 8 2  9 1 7
+9 2 1  7 5 6  8 3 4
+
+8 3 6  1 4 5  7 2 9
+5 1 9  8 2 7  3 4 6
+4 7 2  9 6 3  1 5 8
+
+3 5 8  6 7 4  2 9 1
+1 6 7  2 3 9  4 8 5
+2 9 4  5 1 8  6 7 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,5,null,null,null,null,1,null,null,null,null,null,null,2,null,4,null,null,null,null,1,4,null,7,null,null,null,2,null,null,6,0,4,null,3,null,null,8,null,2,null,null,null,null,null,null,null,null,null,null,null,null,4,0,3,null,null,8,null,null,null,0,null,null,null,null,null,3,null,null,null,null,null,null,2,null,null,null,null,6,5],"solution":[4,5,8,3,6,0,1,7,2,7,0,3,1,2,5,4,8,6,6,2,1,4,8,7,0,5,3,2,1,7,6,0,4,5,3,8,0,8,4,2,5,3,6,1,7,5,3,6,7,1,8,2,4,0,3,6,5,8,4,2,7,0,1,1,7,0,5,3,6,8,2,4,8,4,2,0,7,1,3,6,5]}
+PUZZLE:
+_ 6 _  _ _ _  2 _ _
+_ _ _  _ 3 _  5 _ _
+_ _ 2  5 _ 8  _ _ _
+
+3 _ _  7 1 5  _ 4 _
+_ 9 _  3 _ _  _ _ _
+_ _ _  _ _ _  _ 5 1
+
+4 _ _  9 _ _  _ 1 _
+_ _ _  _ 4 _  _ _ _
+_ _ 3  _ _ _  _ 7 6
+
+SOLUTION:
+5 6 9  4 7 1  2 8 3
+8 1 4  2 3 6  5 9 7
+7 3 2  5 9 8  1 6 4
+
+3 2 8  7 1 5  6 4 9
+1 9 5  3 6 4  7 2 8
+6 4 7  8 2 9  3 5 1
+
+4 7 6  9 5 3  8 1 2
+2 8 1  6 4 7  9 3 5
+9 5 3  1 8 2  4 7 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,8,5,2,null,8,null,null,3,7,null,null,6,null,null,2,5,null,null,null,null,null,1,null,null,null,0,null,null,null,null,2,null,0,null,null,1,null,null,4,null,6,null,null,null,4,null,null,null,null,null,null,null,8,null,null,6,0,null,null,5,null,null,null,null,2,null,null,null,3,7,null,null,1,null,null],"solution":[3,7,6,4,1,0,8,5,2,5,8,1,2,3,7,4,0,6,0,4,2,5,6,8,3,7,1,1,3,4,6,0,5,2,8,7,2,5,0,8,7,1,6,3,4,7,6,8,3,2,4,0,1,5,4,2,7,1,8,3,5,6,0,8,1,5,0,4,6,7,2,3,6,0,3,7,5,2,1,4,8]}
+PUZZLE:
+_ _ _  _ _ _  9 6 3
+_ 9 _  _ 4 8  _ _ 7
+_ _ 3  6 _ _  _ _ _
+
+2 _ _  _ 1 _  _ _ _
+3 _ 1  _ _ 2  _ _ 5
+_ 7 _  _ _ 5  _ _ _
+
+_ _ _  _ 9 _  _ 7 1
+_ _ 6  _ _ _  _ 3 _
+_ _ 4  8 _ _  2 _ _
+
+SOLUTION:
+4 8 7  5 2 1  9 6 3
+6 9 2  3 4 8  5 1 7
+1 5 3  6 7 9  4 8 2
+
+2 4 5  7 1 6  3 9 8
+3 6 1  9 8 2  7 4 5
+8 7 9  4 3 5  1 2 6
+
+5 3 8  2 9 4  6 7 1
+9 2 6  1 5 7  8 3 4
+7 1 4  8 6 3  2 5 9
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,6,0,null,null,2,3,7,null,null,null,null,null,null,1,8,null,null,null,null,null,null,null,null,null,5,null,null,4,null,null,null,null,4,null,null,null,3,7,7,null,null,null,null,8,2,null,6,2,null,null,null,null,6,4,8,null,null,null,4,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null],"solution":[3,7,8,5,2,4,1,6,0,6,0,2,3,7,1,8,5,4,4,5,1,8,6,0,7,2,3,1,2,3,6,5,7,0,4,8,0,8,6,4,1,2,5,3,7,7,4,5,0,3,8,2,1,6,2,3,7,1,0,6,4,8,5,5,1,4,7,8,3,6,0,2,8,6,0,2,4,5,3,7,1]}
+PUZZLE:
+_ _ _  _ _ 5  _ 7 1
+_ _ 3  4 8 _  _ _ _
+_ _ 2  9 _ _  _ _ _
+
+_ _ _  _ 6 _  _ 5 _
+_ _ _  5 _ _  _ 4 8
+8 _ _  _ _ 9  3 _ 7
+
+3 _ _  _ _ 7  5 9 _
+_ _ 5  _ _ _  _ _ _
+_ 7 _  _ _ _  _ _ _
+
+SOLUTION:
+4 8 9  6 3 5  2 7 1
+7 1 3  4 8 2  9 6 5
+5 6 2  9 7 1  8 3 4
+
+2 3 4  7 6 8  1 5 9
+1 9 7  5 2 3  6 4 8
+8 5 6  1 4 9  3 2 7
+
+3 4 8  2 1 7  5 9 6
+6 2 5  8 9 4  7 1 3
+9 7 1  3 5 6  4 8 2
+
+RATING: 3.75
+DATA:
+{"puzzle":[2,null,null,null,null,null,4,null,null,null,7,null,null,4,null,null,null,null,null,null,3,null,null,8,null,null,7,null,null,null,null,6,5,null,null,2,null,null,null,3,null,7,5,null,null,null,null,1,null,null,0,null,3,null,null,null,8,7,null,null,null,null,4,null,4,null,0,8,6,null,null,null,1,5,null,null,null,null,null,null,6],"solution":[2,8,6,5,7,3,4,0,1,0,7,5,1,4,2,6,8,3,4,1,3,6,0,8,2,5,7,3,0,7,8,6,5,1,4,2,8,2,4,3,1,7,5,6,0,5,6,1,4,2,0,7,3,8,6,3,8,7,5,1,0,2,4,7,4,2,0,8,6,3,1,5,1,5,0,2,3,4,8,7,6]}
+PUZZLE:
+3 _ _  _ _ _  5 _ _
+_ 8 _  _ 5 _  _ _ _
+_ _ 4  _ _ 9  _ _ 8
+
+_ _ _  _ 7 6  _ _ 3
+_ _ _  4 _ 8  6 _ _
+_ _ 2  _ _ 1  _ 4 _
+
+_ _ 9  8 _ _  _ _ 5
+_ 5 _  1 9 7  _ _ _
+2 6 _  _ _ _  _ _ 7
+
+SOLUTION:
+3 9 7  6 8 4  5 1 2
+1 8 6  2 5 3  7 9 4
+5 2 4  7 1 9  3 6 8
+
+4 1 8  9 7 6  2 5 3
+9 3 5  4 2 8  6 7 1
+6 7 2  5 3 1  8 4 9
+
+7 4 9  8 6 2  1 3 5
+8 5 3  1 9 7  4 2 6
+2 6 1  3 4 5  9 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,null,null,null,null,7,null,null,null,null,null,1,null,6,null,null,1,0,6,2,null,null,null,null,null,null,6,null,null,null,2,4,null,null,null,null,null,null,3,6,8,null,null,null,null,null,5,0,null,null,1,null,null,1,7,null,8,null,null,null,null,null,null,5,null,null,null,7,8,null,null,8,2,null,null,null,null,5,null],"solution":[2,4,8,0,6,3,5,7,1,7,5,3,8,1,4,6,2,0,1,0,6,2,5,7,3,4,8,8,6,0,1,7,2,4,3,5,5,2,1,4,3,6,8,0,7,3,7,4,5,0,8,2,1,6,4,1,7,3,8,5,0,6,2,0,3,5,6,2,1,7,8,4,6,8,2,7,4,0,1,5,3]}
+PUZZLE:
+3 _ _  _ _ _  _ 8 _
+_ _ _  _ 2 _  7 _ _
+2 1 7  3 _ _  _ _ _
+
+_ 7 _  _ _ 3  5 _ _
+_ _ _  _ 4 7  9 _ _
+_ _ _  6 1 _  _ 2 _
+
+_ 2 8  _ 9 _  _ _ _
+_ _ 6  _ _ _  8 9 _
+_ 9 3  _ _ _  _ 6 _
+
+SOLUTION:
+3 5 9  1 7 4  6 8 2
+8 6 4  9 2 5  7 3 1
+2 1 7  3 6 8  4 5 9
+
+9 7 1  2 8 3  5 4 6
+6 3 2  5 4 7  9 1 8
+4 8 5  6 1 9  3 2 7
+
+5 2 8  4 9 6  1 7 3
+1 4 6  7 3 2  8 9 5
+7 9 3  8 5 1  2 6 4
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,0,8,null,null,null,6,null,null,null,null,7,3,2,4,5,null,2,null,null,null,null,null,null,null,3,6,null,4,null,8,null,null,null,null,null,3,null,null,0,1,5,null,null,null,null,1,5,null,null,null,null,null,null,8,null,null,4,6,null,null,null,null,6,3,null,null,null,1,null,null,null,null,null,null,null,null,null,7,null],"solution":[3,4,0,8,1,5,2,6,7,8,1,6,7,3,2,4,5,0,2,7,5,4,6,0,8,1,3,6,5,4,2,8,3,7,0,1,7,3,8,6,0,1,5,4,2,0,2,1,5,7,4,6,3,8,1,8,7,3,4,6,0,2,5,5,6,3,0,2,7,1,8,4,4,0,2,1,5,8,3,7,6]}
+PUZZLE:
+_ _ 1  9 _ _  _ 7 _
+_ _ _  8 4 3  5 6 _
+3 _ _  _ _ _  _ _ 4
+
+7 _ 5  _ 9 _  _ _ _
+_ 4 _  _ 1 2  6 _ _
+_ _ 2  6 _ _  _ _ _
+
+_ 9 _  _ 5 7  _ _ _
+_ 7 4  _ _ _  2 _ _
+_ _ _  _ _ _  _ 8 _
+
+SOLUTION:
+4 5 1  9 2 6  3 7 8
+9 2 7  8 4 3  5 6 1
+3 8 6  5 7 1  9 2 4
+
+7 6 5  3 9 4  8 1 2
+8 4 9  7 1 2  6 5 3
+1 3 2  6 8 5  7 4 9
+
+2 9 8  4 5 7  1 3 6
+6 7 4  1 3 8  2 9 5
+5 1 3  2 6 9  4 8 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,0,null,null,null,0,null,1,null,null,null,null,3,null,null,null,null,6,5,null,null,5,null,null,8,4,null,3,null,0,null,null,null,null,null,null,null,4,null,2,null,null,null,null,null,null,null,null,null,3,7,null,null,8,null,null,1,null,null,6,null,null,null,null,null,8,null,2,5,0,null,null,null,null],"solution":[5,1,8,4,3,6,7,2,0,2,6,7,0,5,1,4,8,3,4,3,0,8,2,7,6,5,1,7,5,1,2,8,4,0,3,6,0,8,6,3,7,5,2,1,4,3,2,4,1,6,0,5,7,8,6,0,3,7,1,2,8,4,5,1,7,5,6,4,8,3,0,2,8,4,2,5,0,3,1,6,7]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 1
+_ _ _  1 _ 2  _ _ _
+_ 4 _  _ _ _  7 6 _
+
+_ 6 _  _ 9 5  _ 4 _
+1 _ _  _ _ _  _ _ 5
+_ 3 _  _ _ _  _ _ _
+
+_ _ 4  8 _ _  9 _ _
+2 _ _  7 _ _  _ _ _
+9 _ 3  6 1 _  _ _ _
+
+SOLUTION:
+6 2 9  5 4 7  8 3 1
+3 7 8  1 6 2  5 9 4
+5 4 1  9 3 8  7 6 2
+
+8 6 2  3 9 5  1 4 7
+1 9 7  4 8 6  3 2 5
+4 3 5  2 7 1  6 8 9
+
+7 1 4  8 2 3  9 5 6
+2 8 6  7 5 9  4 1 3
+9 5 3  6 1 4  2 7 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,4,1,null,5,2,null,null,null,null,null,7,null,null,null,null,null,3,0,null,null,null,null,null,null,null,null,null,null,8,5,null,6,null,null,null,null,null,null,null,null,null,null,null,2,7,8,null,0,null,null,null,null,null,null,6,null,2,3,1,null,null,null,null,2,null,null,null,4,6,null,null,1,null,null,null,null,null,8,null],"solution":[8,6,4,1,3,5,2,7,0,5,2,1,7,4,0,8,3,6,3,0,7,2,6,8,5,4,1,1,3,0,8,5,7,6,2,4,6,4,5,3,1,2,7,0,8,2,7,8,6,0,4,3,1,5,0,8,6,4,2,3,1,5,7,7,5,2,0,8,1,4,6,3,4,1,3,5,7,6,0,8,2]}
+PUZZLE:
+_ _ 5  2 _ 6  3 _ _
+_ _ _  8 _ _  _ _ _
+4 1 _  _ _ _  _ _ _
+
+_ _ _  9 6 _  7 _ _
+_ _ _  _ _ _  _ _ _
+3 8 9  _ 1 _  _ _ _
+
+_ _ 7  _ 3 4  2 _ _
+_ _ 3  _ _ _  5 7 _
+_ 2 _  _ _ _  _ 9 _
+
+SOLUTION:
+9 7 5  2 4 6  3 8 1
+6 3 2  8 5 1  9 4 7
+4 1 8  3 7 9  6 5 2
+
+2 4 1  9 6 8  7 3 5
+7 5 6  4 2 3  8 1 9
+3 8 9  7 1 5  4 2 6
+
+1 9 7  5 3 4  2 6 8
+8 6 3  1 9 2  5 7 4
+5 2 4  6 8 7  1 9 3
+
+RATING: 3.25
+DATA:
+{"puzzle":[0,null,null,null,null,null,6,5,null,null,null,null,5,null,null,null,null,null,null,null,3,null,null,null,null,7,null,null,7,0,null,null,null,null,null,2,null,null,null,4,null,null,null,8,null,null,null,6,null,null,1,null,null,0,null,2,null,null,7,null,3,null,null,8,null,null,1,null,null,null,null,4,null,1,null,null,null,5,null,null,null],"solution":[0,4,2,3,8,7,6,5,1,7,6,8,5,1,2,0,4,3,1,5,3,6,0,4,2,7,8,4,7,0,8,5,3,1,6,2,2,3,1,4,6,0,5,8,7,5,8,6,7,2,1,4,3,0,6,2,4,0,7,8,3,1,5,8,0,5,1,3,6,7,2,4,3,1,7,2,4,5,8,0,6]}
+PUZZLE:
+1 _ _  _ _ _  7 6 _
+_ _ _  6 _ _  _ _ _
+_ _ 4  _ _ _  _ 8 _
+
+_ 8 1  _ _ _  _ _ 3
+_ _ _  5 _ _  _ 9 _
+_ _ 7  _ _ 2  _ _ 1
+
+_ 3 _  _ 8 _  4 _ _
+9 _ _  2 _ _  _ _ 5
+_ 2 _  _ _ 6  _ _ _
+
+SOLUTION:
+1 5 3  4 9 8  7 6 2
+8 7 9  6 2 3  1 5 4
+2 6 4  7 1 5  3 8 9
+
+5 8 1  9 6 4  2 7 3
+3 4 2  5 7 1  6 9 8
+6 9 7  8 3 2  5 4 1
+
+7 3 5  1 8 9  4 2 6
+9 1 6  2 4 7  8 3 5
+4 2 8  3 5 6  9 1 7
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,6,null,null,7,null,null,null,null,1,null,7,0,null,null,null,null,null,null,3,null,null,5,null,2,null,null,null,null,8,null,null,null,null,6,8,null,1,null,5,null,null,null,null,null,null,2,6,null,null,3,4,null,4,null,null,null,null,null,null,5,null,null,null,null,null,1,null,null,null,0,7,null,null,4,null,3,null,null],"solution":[3,0,8,6,5,2,7,4,1,2,5,1,4,7,0,6,8,3,4,6,7,3,1,8,5,0,2,7,2,3,0,8,4,1,5,6,6,8,4,1,3,5,0,2,7,5,1,0,2,6,7,8,3,4,1,4,6,8,0,3,2,7,5,8,3,5,7,2,1,4,6,0,0,7,2,5,4,6,3,1,8]}
+PUZZLE:
+_ _ _  7 _ _  8 _ _
+_ _ 2  _ 8 1  _ _ _
+_ _ _  4 _ _  6 _ 3
+
+_ _ _  _ 9 _  _ _ _
+7 9 _  2 _ 6  _ _ _
+_ _ _  3 7 _  _ 4 5
+
+_ 5 _  _ _ _  _ _ 6
+_ _ _  _ _ 2  _ _ _
+1 8 _  _ 5 _  4 _ _
+
+SOLUTION:
+4 1 9  7 6 3  8 5 2
+3 6 2  5 8 1  7 9 4
+5 7 8  4 2 9  6 1 3
+
+8 3 4  1 9 5  2 6 7
+7 9 5  2 4 6  1 3 8
+6 2 1  3 7 8  9 4 5
+
+2 5 7  9 1 4  3 8 6
+9 4 6  8 3 2  5 7 1
+1 8 3  6 5 7  4 2 9
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,4,null,null,1,null,null,4,1,null,null,null,null,null,7,null,null,8,null,3,null,null,null,null,null,null,5,null,6,null,null,null,null,8,7,4,6,5,null,null,null,null,null,null,null,null,null,null,null,7,null,null,0,null,null,null,null,3,null,null,null,null,null,8,null,null,0,null,6,null,null,null,3,null,null,null,2,8,null],"solution":[6,3,7,4,5,8,1,0,2,4,1,5,0,2,6,8,7,3,2,8,0,3,7,1,6,4,5,3,5,1,6,0,7,4,2,8,7,4,6,5,8,2,0,3,1,8,0,2,1,3,4,7,5,6,0,2,4,8,6,3,5,1,7,5,7,8,2,1,0,3,6,4,1,6,3,7,4,5,2,8,0]}
+PUZZLE:
+_ _ _  5 _ _  2 _ _
+5 2 _  _ _ _  _ 8 _
+_ 9 _  4 _ _  _ _ _
+
+_ 6 _  7 _ _  _ _ 9
+8 5 7  6 _ _  _ _ _
+_ _ _  _ _ _  8 _ _
+
+1 _ _  _ _ 4  _ _ _
+_ _ 9  _ _ 1  _ 7 _
+_ _ 4  _ _ _  3 9 _
+
+SOLUTION:
+7 4 8  5 6 9  2 1 3
+5 2 6  1 3 7  9 8 4
+3 9 1  4 8 2  7 5 6
+
+4 6 2  7 1 8  5 3 9
+8 5 7  6 9 3  1 4 2
+9 1 3  2 4 5  8 6 7
+
+1 3 5  9 7 4  6 2 8
+6 8 9  3 2 1  4 7 5
+2 7 4  8 5 6  3 9 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,7,null,null,null,0,null,null,3,null,8,null,null,3,7,null,5,0,2,null,7,3,5,null,8,1,null,null,null,null,8,null,null,null,null,null,6,null,0,null,6,4,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,1,null,null,null,null,null,null,3,null,7,null,8,3,0,null,null,null],"solution":[2,0,1,3,6,8,5,4,7,5,6,7,0,2,4,3,1,8,8,4,3,7,1,5,0,2,6,7,3,5,6,8,1,4,0,2,1,8,4,2,0,3,7,6,5,0,2,6,4,5,7,8,3,1,3,5,8,1,4,6,2,7,0,4,1,0,5,7,2,6,8,3,6,7,2,8,3,0,1,5,4]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 8
+_ _ _  1 _ _  4 _ 9
+_ _ 4  8 _ 6  1 3 _
+
+8 4 6  _ 9 2  _ _ _
+_ 9 _  _ _ _  _ 7 _
+1 _ 7  5 _ _  _ _ _
+
+_ _ _  _ _ _  3 _ _
+_ 2 _  _ _ _  _ _ 4
+_ 8 _  9 4 1  _ _ _
+
+SOLUTION:
+3 1 2  4 7 9  6 5 8
+6 7 8  1 3 5  4 2 9
+9 5 4  8 2 6  1 3 7
+
+8 4 6  7 9 2  5 1 3
+2 9 5  3 1 4  8 7 6
+1 3 7  5 6 8  9 4 2
+
+4 6 9  2 5 7  3 8 1
+5 2 1  6 8 3  7 9 4
+7 8 3  9 4 1  2 6 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,null,3,null,7,null,null,null,null,null,null,null,4,null,null,2,null,null,null,4,null,null,null,5,null,null,4,null,8,7,null,null,1,null,null,3,4,null,5,8,null,null,null,null,0,null,null,null,null,null,2,null,null,null,5,3,null,null,null,7,null,8,null,null,null,null,null,null,null,5,null,null,2,null,8,null,1,null],"solution":[4,1,5,8,6,3,2,7,0,3,0,7,1,5,2,4,6,8,2,6,8,7,4,0,1,3,5,6,2,4,0,8,7,3,5,1,1,7,3,4,2,5,8,0,6,8,5,0,3,1,6,7,4,2,0,4,2,5,3,1,6,8,7,7,8,1,6,0,4,5,2,3,5,3,6,2,7,8,0,1,4]}
+PUZZLE:
+_ 2 _  _ _ 4  _ 8 _
+_ _ _  _ _ _  5 _ _
+3 _ _  _ 5 _  _ _ 6
+
+_ _ 5  _ 9 8  _ _ 2
+_ _ 4  5 _ 6  9 _ _
+_ _ 1  _ _ _  _ _ 3
+
+_ _ _  6 4 _  _ _ 8
+_ 9 _  _ _ _  _ _ _
+6 _ _  3 _ 9  _ 2 _
+
+SOLUTION:
+5 2 6  9 7 4  3 8 1
+4 1 8  2 6 3  5 7 9
+3 7 9  8 5 1  2 4 6
+
+7 3 5  1 9 8  4 6 2
+2 8 4  5 3 6  9 1 7
+9 6 1  4 2 7  8 5 3
+
+1 5 3  6 4 2  7 9 8
+8 9 2  7 1 5  6 3 4
+6 4 7  3 8 9  1 2 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,8,null,null,3,null,null,null,3,5,null,null,null,1,null,2,null,null,0,6,null,1,null,5,null,null,null,null,null,6,null,null,4,null,null,2,null,null,null,0,null,6,1,null,4,null,null,8,null,2,null,null,7,0,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,null,5],"solution":[4,7,1,8,2,5,3,0,6,6,3,5,0,7,4,1,8,2,2,8,0,6,3,1,4,5,7,0,1,8,2,6,7,5,4,3,3,2,7,4,5,0,8,6,1,5,4,6,1,8,3,2,7,0,7,0,3,5,4,2,6,1,8,8,5,2,7,1,6,0,3,4,1,6,4,3,0,8,7,2,5]}
+PUZZLE:
+_ _ 2  9 _ _  4 _ _
+_ 4 6  _ _ _  2 _ 3
+_ _ 1  7 _ 2  _ 6 _
+
+_ _ _  _ 7 _  _ 5 _
+_ 3 _  _ _ 1  _ 7 2
+_ 5 _  _ 9 _  3 _ _
+
+8 1 _  _ 5 _  _ _ _
+_ _ _  _ _ _  _ _ _
+_ _ _  _ _ _  8 _ 6
+
+SOLUTION:
+5 8 2  9 3 6  4 1 7
+7 4 6  1 8 5  2 9 3
+3 9 1  7 4 2  5 6 8
+
+1 2 9  3 7 8  6 5 4
+4 3 8  5 6 1  9 7 2
+6 5 7  2 9 4  3 8 1
+
+8 1 4  6 5 3  7 2 9
+9 6 3  8 2 7  1 4 5
+2 7 5  4 1 9  8 3 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,null,6,null,null,null,0,null,8,null,null,null,null,null,null,7,null,3,null,0,null,6,null,null,2,null,null,null,null,4,null,5,0,null,null,null,6,null,null,3,1,null,null,null,null,null,null,2,null,null,3,null,null,6,null,7,1,null,null,null,3,0,7,null,null,null,4,null,null,null,null,null,5,null,null],"solution":[0,3,8,4,5,1,7,2,6,7,6,5,0,2,8,1,4,3,1,4,2,7,6,3,8,0,5,6,8,7,2,1,0,3,5,4,2,5,0,8,3,4,6,1,7,3,1,4,6,7,5,0,8,2,8,0,3,5,4,6,2,7,1,5,2,1,3,0,7,4,6,8,4,7,6,1,8,2,5,3,0]}
+PUZZLE:
+_ _ _  5 _ _  _ _ 7
+_ _ _  1 _ 9  _ _ _
+_ _ _  8 _ 4  _ 1 _
+
+7 _ _  3 _ _  _ _ 5
+_ 6 1  _ _ _  7 _ _
+4 2 _  _ _ _  _ _ 3
+
+_ _ 4  _ _ 7  _ 8 2
+_ _ _  4 1 8  _ _ _
+5 _ _  _ _ _  6 _ _
+
+SOLUTION:
+1 4 9  5 6 2  8 3 7
+8 7 6  1 3 9  2 5 4
+2 5 3  8 7 4  9 1 6
+
+7 9 8  3 2 1  4 6 5
+3 6 1  9 4 5  7 2 8
+4 2 5  7 8 6  1 9 3
+
+9 1 4  6 5 7  3 8 2
+6 3 2  4 1 8  5 7 9
+5 8 7  2 9 3  6 4 1
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,null,null,7,null,null,null,null,null,null,null,1,5,1,null,8,null,null,0,null,7,0,7,null,null,6,null,null,null,null,null,5,8,null,null,4,1,null,null,3,null,null,0,7,null,null,null,5,null,6,null,null,0,null,5,4,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null,2],"solution":[2,8,3,7,1,0,4,5,6,7,4,0,3,5,6,2,8,1,5,1,6,8,4,2,0,3,7,0,7,1,5,6,8,3,2,4,6,5,8,2,3,4,1,7,0,3,2,4,0,7,1,8,6,5,8,6,2,1,0,7,5,4,3,1,3,7,4,2,5,6,0,8,4,0,5,6,8,3,7,1,2]}
+PUZZLE:
+_ _ _  _ _ _  5 _ _
+8 _ _  _ _ _  _ _ 2
+6 2 _  9 _ _  1 _ 8
+
+1 8 _  _ 7 _  _ _ _
+_ 6 9  _ _ 5  2 _ _
+4 _ _  1 8 _  _ _ 6
+
+_ 7 _  _ 1 _  6 5 _
+_ 4 _  _ _ _  _ _ _
+_ _ _  _ _ 4  _ _ 3
+
+SOLUTION:
+3 9 4  8 2 1  5 6 7
+8 5 1  4 6 7  3 9 2
+6 2 7  9 5 3  1 4 8
+
+1 8 2  6 7 9  4 3 5
+7 6 9  3 4 5  2 8 1
+4 3 5  1 8 2  9 7 6
+
+9 7 3  2 1 8  6 5 4
+2 4 8  5 3 6  7 1 9
+5 1 6  7 9 4  8 2 3
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,1,null,null,5,null,null,1,null,null,null,4,null,null,null,null,3,null,7,null,null,null,1,null,null,null,8,6,null,5,null,null,null,null,null,null,null,null,2,null,3,8,5,null,null,null,null,null,null,2,null,null,null,7,5,null,null,null,null,3,null,2,0,null,null,null,null,null,7,8,null,null,null,0,null],"solution":[3,7,2,4,8,5,0,1,6,8,5,0,7,1,6,3,2,4,1,4,6,0,3,2,7,5,8,7,1,4,2,0,8,6,3,5,6,0,5,3,7,1,8,4,2,2,3,8,5,6,4,1,7,0,0,2,1,6,4,7,5,8,3,5,8,3,1,2,0,4,6,7,4,6,7,8,5,3,2,0,1]}
+PUZZLE:
+_ _ _  _ _ _  _ 2 _
+_ 6 _  _ 2 _  _ _ 5
+_ _ _  _ 4 _  8 _ _
+
+_ 2 _  _ _ 9  7 _ 6
+_ _ _  _ _ _  _ _ 3
+_ 4 9  6 _ _  _ _ _
+
+_ 3 _  _ _ 8  6 _ _
+_ _ 4  _ 3 1  _ _ _
+_ _ 8  9 _ _  _ 1 _
+
+SOLUTION:
+4 8 3  5 9 6  1 2 7
+9 6 1  8 2 7  4 3 5
+2 5 7  1 4 3  8 6 9
+
+8 2 5  3 1 9  7 4 6
+7 1 6  4 8 2  9 5 3
+3 4 9  6 7 5  2 8 1
+
+1 3 2  7 5 8  6 9 4
+6 9 4  2 3 1  5 7 8
+5 7 8  9 6 4  3 1 2
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,null,7,5,8,null,null,null,null,null,null,null,null,2,3,null,null,4,0,null,2,null,null,null,null,null,null,null,1,null,2,null,null,null,null,7,null,2,0,null,null,5,8,null,null,null,5,4,null,0,null,7,3,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,0,null,null,null,7,3,null],"solution":[2,1,6,4,3,7,5,8,0,0,7,8,5,6,1,4,2,3,3,5,4,0,8,2,1,6,7,5,0,3,8,1,6,2,7,4,6,4,7,3,2,0,8,1,5,8,2,1,7,5,4,3,0,6,7,3,5,1,0,8,6,4,2,4,8,2,6,7,3,0,5,1,1,6,0,2,4,5,7,3,8]}
+PUZZLE:
+_ _ _  _ _ 8  6 9 _
+_ _ _  _ _ _  _ 3 4
+_ _ 5  1 _ 3  _ _ _
+
+_ _ _  _ 2 _  3 _ _
+_ _ 8  _ 3 1  _ _ 6
+9 _ _  _ 6 5  _ 1 _
+
+8 4 _  2 _ _  _ _ _
+_ _ _  _ _ _  _ _ _
+_ 7 1  _ _ _  8 4 _
+
+SOLUTION:
+3 2 7  5 4 8  6 9 1
+1 8 9  6 7 2  5 3 4
+4 6 5  1 9 3  2 7 8
+
+6 1 4  9 2 7  3 8 5
+7 5 8  4 3 1  9 2 6
+9 3 2  8 6 5  4 1 7
+
+8 4 6  2 1 9  7 5 3
+5 9 3  7 8 4  1 6 2
+2 7 1  3 5 6  8 4 9
+
+RATING: 4
+DATA:
+{"puzzle":[null,0,null,null,3,null,8,2,null,null,null,null,null,null,5,null,null,3,null,null,2,1,null,8,null,0,null,null,null,null,null,null,null,3,null,null,null,8,null,null,2,1,null,null,null,4,null,null,null,6,null,null,null,null,2,null,6,8,null,null,7,null,null,null,5,7,null,4,null,null,null,8,null,null,null,null,null,6,5,null,null],"solution":[7,0,1,6,3,4,8,2,5,8,6,4,2,0,5,1,7,3,5,3,2,1,7,8,4,0,6,1,2,0,5,8,7,3,6,4,6,8,3,4,2,1,0,5,7,4,7,5,3,6,0,2,8,1,2,1,6,8,5,3,7,4,0,3,5,7,0,4,2,6,1,8,0,4,8,7,1,6,5,3,2]}
+PUZZLE:
+_ 1 _  _ 4 _  9 3 _
+_ _ _  _ _ 6  _ _ 4
+_ _ 3  2 _ 9  _ 1 _
+
+_ _ _  _ _ _  4 _ _
+_ 9 _  _ 3 2  _ _ _
+5 _ _  _ 7 _  _ _ _
+
+3 _ 7  9 _ _  8 _ _
+_ 6 8  _ 5 _  _ _ 9
+_ _ _  _ _ 7  6 _ _
+
+SOLUTION:
+8 1 2  7 4 5  9 3 6
+9 7 5  3 1 6  2 8 4
+6 4 3  2 8 9  5 1 7
+
+2 3 1  6 9 8  4 7 5
+7 9 4  5 3 2  1 6 8
+5 8 6  4 7 1  3 9 2
+
+3 2 7  9 6 4  8 5 1
+4 6 8  1 5 3  7 2 9
+1 5 9  8 2 7  6 4 3
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,1,null,null,null,null,0,6,1,null,null,2,null,null,5,null,7,null,6,null,null,null,null,8,null,null,null,null,null,null,1,null,null,null,null,null,2,null,5,null,4,2,8,null,null,null,null,3,null,null,1,null,null,5,7,null,null,4,7,null,2,null,null,null,null,null,2,null,6,null,4,null,null,null,null],"solution":[6,2,0,5,8,3,4,1,7,7,8,4,0,6,1,3,5,2,3,1,5,4,7,2,6,0,8,5,3,8,1,2,7,0,4,6,1,6,7,3,0,4,2,8,5,0,4,2,8,5,6,1,7,3,8,0,1,6,3,5,7,2,4,4,7,3,2,1,8,5,6,0,2,5,6,7,4,0,8,3,1]}
+PUZZLE:
+_ _ _  _ _ _  _ 2 _
+_ _ _  1 7 2  _ _ 3
+_ _ 6  _ 8 _  7 _ _
+
+_ _ 9  _ _ _  _ _ _
+2 _ _  _ _ _  3 _ 6
+_ 5 3  9 _ _  _ _ 4
+
+_ _ 2  _ _ 6  8 _ _
+5 8 _  3 _ _  _ _ _
+3 _ 7  _ 5 _  _ _ _
+
+SOLUTION:
+7 3 1  6 9 4  5 2 8
+8 9 5  1 7 2  4 6 3
+4 2 6  5 8 3  7 1 9
+
+6 4 9  2 3 8  1 5 7
+2 7 8  4 1 5  3 9 6
+1 5 3  9 6 7  2 8 4
+
+9 1 2  7 4 6  8 3 5
+5 8 4  3 2 9  6 7 1
+3 6 7  8 5 1  9 4 2
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,3,null,null,null,4,null,null,8,null,null,null,1,null,null,0,null,7,null,null,7,null,null,null,null,4,5,null,null,null,null,null,3,null,null,null,4,0,5,null,null,null,null,null,null,null,null,6,7,null,0,null,null,4,7,null,0,null,null,null,null,null,null,1,5,null,0,null,null,2,null,null,null,null,null,null,null,null,null,null,3],"solution":[0,3,2,5,7,4,6,1,8,5,4,8,1,3,6,0,2,7,6,1,7,8,0,2,3,4,5,2,7,1,4,5,3,8,6,0,4,0,5,6,8,1,7,3,2,3,8,6,7,2,0,1,5,4,7,2,0,3,6,5,4,8,1,1,5,3,0,4,8,2,7,6,8,6,4,2,1,7,5,0,3]}
+PUZZLE:
+_ 4 _  _ _ 5  _ _ 9
+_ _ _  2 _ _  1 _ 8
+_ _ 8  _ _ _  _ 5 6
+
+_ _ _  _ _ 4  _ _ _
+5 1 6  _ _ _  _ _ _
+_ _ 7  8 _ 1  _ _ 5
+
+8 _ 1  _ _ _  _ _ _
+2 6 _  1 _ _  3 _ _
+_ _ _  _ _ _  _ _ 4
+
+SOLUTION:
+1 4 3  6 8 5  7 2 9
+6 5 9  2 4 7  1 3 8
+7 2 8  9 1 3  4 5 6
+
+3 8 2  5 6 4  9 7 1
+5 1 6  7 9 2  8 4 3
+4 9 7  8 3 1  2 6 5
+
+8 3 1  4 7 6  5 9 2
+2 6 4  1 5 9  3 8 7
+9 7 5  3 2 8  6 1 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,0,null,null,null,3,null,null,null,null,7,5,1,2,null,null,null,null,2,6,null,7,null,null,null,null,null,null,null,null,null,null,7,null,1,8,null,null,0,8,null,null,null,null,3,null,null,null,0,null,null,5,null,null,null,null,4,null,3,null,2,0,null,null,1,2,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null],"solution":[8,0,1,4,6,3,7,2,5,4,7,5,1,2,8,3,6,0,2,6,3,7,0,5,4,8,1,5,2,6,3,4,7,0,1,8,1,4,0,8,5,2,6,7,3,7,3,8,0,1,6,5,4,2,6,8,4,5,3,1,2,0,7,3,1,2,6,7,0,8,5,4,0,5,7,2,8,4,1,3,6]}
+PUZZLE:
+_ 1 _  _ _ 4  _ _ _
+_ 8 6  2 3 _  _ _ _
+3 7 _  8 _ _  _ _ _
+
+_ _ _  _ _ 8  _ 2 9
+_ _ 1  9 _ _  _ _ 4
+_ _ _  1 _ _  6 _ _
+
+_ _ 5  _ 4 _  3 1 _
+_ 2 3  _ _ _  _ _ 5
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+9 1 2  5 7 4  8 3 6
+5 8 6  2 3 9  4 7 1
+3 7 4  8 1 6  5 9 2
+
+6 3 7  4 5 8  1 2 9
+2 5 1  9 6 3  7 8 4
+8 4 9  1 2 7  6 5 3
+
+7 9 5  6 4 2  3 1 8
+4 2 3  7 8 1  9 6 5
+1 6 8  3 9 5  2 4 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[3,null,7,8,null,null,null,null,null,null,0,8,null,5,null,null,null,null,null,null,null,null,null,null,null,null,7,null,7,null,null,null,null,null,null,1,2,6,null,0,null,8,4,null,null,null,null,null,6,null,4,2,null,null,null,1,null,null,null,6,null,null,null,null,null,null,2,null,null,3,null,null,8,null,null,5,null,null,null,1,null],"solution":[3,5,7,8,6,2,1,0,4,4,0,8,1,5,7,6,2,3,6,2,1,4,0,3,5,8,7,0,7,4,3,2,5,8,6,1,2,6,3,0,1,8,4,7,5,1,8,5,6,7,4,2,3,0,5,1,2,7,3,6,0,4,8,7,4,0,2,8,1,3,5,6,8,3,6,5,4,0,7,1,2]}
+PUZZLE:
+4 _ 8  9 _ _  _ _ _
+_ 1 9  _ 6 _  _ _ _
+_ _ _  _ _ _  _ _ 8
+
+_ 8 _  _ _ _  _ _ 2
+3 7 _  1 _ 9  5 _ _
+_ _ _  7 _ 5  3 _ _
+
+_ 2 _  _ _ 7  _ _ _
+_ _ _  3 _ _  4 _ _
+9 _ _  6 _ _  _ 2 _
+
+SOLUTION:
+4 6 8  9 7 3  2 1 5
+5 1 9  2 6 8  7 3 4
+7 3 2  5 1 4  6 9 8
+
+1 8 5  4 3 6  9 7 2
+3 7 4  1 2 9  5 8 6
+2 9 6  7 8 5  3 4 1
+
+6 2 3  8 4 7  1 5 9
+8 5 1  3 9 2  4 6 7
+9 4 7  6 5 1  8 2 3
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,4,null,null,2,6,3,null,null,8,null,null,null,null,4,null,1,0,null,null,null,null,3,null,null,4,8,5,null,8,null,null,null,null,null,null,3,null,null,null,null,null,null,null,1,null,6,null,7,5,null,null,null,null,7,1,null,null,null,null,null,8,null,null,null,6,null,1,null,null,3,null,null,null,2,null,null,7,null,null,null],"solution":[1,4,0,8,2,6,3,7,5,8,2,3,5,7,4,6,1,0,6,5,7,0,3,1,2,4,8,5,0,8,1,4,2,7,6,3,3,7,4,6,0,8,5,2,1,2,6,1,7,5,3,8,0,4,7,1,5,3,6,0,4,8,2,4,8,6,2,1,5,0,3,7,0,3,2,4,8,7,1,5,6]}
+PUZZLE:
+_ 5 _  _ 3 7  4 _ _
+9 _ _  _ _ 5  _ 2 1
+_ _ _  _ 4 _  _ 5 9
+
+6 _ 9  _ _ _  _ _ _
+4 _ _  _ _ _  _ _ 2
+_ 7 _  8 6 _  _ _ _
+
+8 2 _  _ _ _  _ 9 _
+_ _ 7  _ 2 _  _ 4 _
+_ _ 3  _ _ 8  _ _ _
+
+SOLUTION:
+2 5 1  9 3 7  4 8 6
+9 3 4  6 8 5  7 2 1
+7 6 8  1 4 2  3 5 9
+
+6 1 9  2 5 3  8 7 4
+4 8 5  7 1 9  6 3 2
+3 7 2  8 6 4  9 1 5
+
+8 2 6  4 7 1  5 9 3
+5 9 7  3 2 6  1 4 8
+1 4 3  5 9 8  2 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,null,null,null,null,null,null,5,null,null,0,1,2,null,7,null,null,8,null,null,null,null,4,null,null,null,null,null,5,8,null,null,5,null,null,2,null,6,null,null,null,null,null,7,null,0,null,null,3,7,null,null,null,null,8,null,5,4,null,null,null,null,null,null,null,null,null,null,null,3,0,null,1,null,null],"solution":[0,5,3,4,2,1,6,8,7,6,8,4,7,5,3,2,0,1,2,1,7,0,6,8,5,3,4,1,4,2,6,3,0,7,5,8,7,0,5,8,1,2,4,6,3,8,3,6,5,7,4,0,1,2,3,7,0,1,4,6,8,2,5,4,6,1,2,8,5,3,7,0,5,2,8,3,0,7,1,4,6]}
+PUZZLE:
+_ _ _  5 _ _  _ _ _
+_ _ _  _ 6 _  _ 1 2
+3 _ 8  _ _ 9  _ _ _
+
+_ 5 _  _ _ _  _ 6 9
+_ _ 6  _ _ 3  _ 7 _
+_ _ _  _ 8 _  1 _ _
+
+4 8 _  _ _ _  9 _ 6
+5 _ _  _ _ _  _ _ _
+_ _ _  4 1 _  2 _ _
+
+SOLUTION:
+1 6 4  5 3 2  7 9 8
+7 9 5  8 6 4  3 1 2
+3 2 8  1 7 9  6 4 5
+
+2 5 3  7 4 1  8 6 9
+8 1 6  9 2 3  5 7 4
+9 4 7  6 8 5  1 2 3
+
+4 8 1  2 5 7  9 3 6
+5 7 2  3 9 6  4 8 1
+6 3 9  4 1 8  2 5 7
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,2,null,3,6,1,null,null,null,null,8,null,null,null,5,null,null,null,null,null,6,null,null,null,null,0,3,null,null,null,1,7,null,null,1,2,null,null,null,7,null,0,null,null,null,6,null,0,2,4,null,null,null,null,1,null,null,null,null,7,null,null,null,null,null,null,null,null,null,6,null,6,3,null,1,null,5,null,8],"solution":[8,4,5,2,7,3,6,1,0,6,1,7,8,4,0,2,5,3,3,0,2,1,6,5,8,4,7,0,3,8,4,5,1,7,6,2,1,2,4,6,8,7,3,0,5,5,7,6,3,0,2,4,8,1,2,8,1,5,3,6,0,7,4,4,5,0,7,2,8,1,3,6,7,6,3,0,1,4,5,2,8]}
+PUZZLE:
+_ _ _  3 _ 4  7 2 _
+_ _ _  9 _ _  _ 6 _
+_ _ _  _ 7 _  _ _ _
+
+1 4 _  _ _ 2  8 _ _
+2 3 _  _ _ 8  _ 1 _
+_ _ 7  _ 1 3  5 _ _
+
+_ _ 2  _ _ _  _ 8 _
+_ _ _  _ _ _  _ _ 7
+_ 7 4  _ 2 _  6 _ 9
+
+SOLUTION:
+9 5 6  3 8 4  7 2 1
+7 2 8  9 5 1  3 6 4
+4 1 3  2 7 6  9 5 8
+
+1 4 9  5 6 2  8 7 3
+2 3 5  7 9 8  4 1 6
+6 8 7  4 1 3  5 9 2
+
+3 9 2  6 4 7  1 8 5
+5 6 1  8 3 9  2 4 7
+8 7 4  1 2 5  6 3 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,8,null,null,null,5,2,null,null,4,null,null,null,null,null,null,null,null,2,null,null,6,5,null,null,4,0,null,2,null,null,null,null,null,null,null,1,null,null,4,null,null,0,null,null,8,4,null,7,3,null,null,null,null,null,6,null,0,null,null,null,null,null,null,null,null,null,null,2,8,null,null,5,null,null,8,7,1,null,null],"solution":[6,0,8,7,3,4,5,2,1,7,4,5,1,2,0,3,6,8,1,2,3,8,6,5,0,7,4,0,6,2,5,1,8,7,4,3,3,1,7,6,4,2,8,0,5,5,8,4,0,7,3,6,1,2,8,3,6,2,0,1,4,5,7,4,7,1,3,5,6,2,8,0,2,5,0,4,8,7,1,3,6]}
+PUZZLE:
+_ _ 9  _ _ _  6 3 _
+_ 5 _  _ _ _  _ _ _
+_ 3 _  _ 7 6  _ _ 5
+
+1 _ 3  _ _ _  _ _ _
+_ 2 _  _ 5 _  _ 1 _
+_ 9 5  _ 8 4  _ _ _
+
+_ _ 7  _ 1 _  _ _ _
+_ _ _  _ _ _  3 9 _
+_ 6 _  _ 9 8  2 _ _
+
+SOLUTION:
+7 1 9  8 4 5  6 3 2
+8 5 6  2 3 1  4 7 9
+2 3 4  9 7 6  1 8 5
+
+1 7 3  6 2 9  8 5 4
+4 2 8  7 5 3  9 1 6
+6 9 5  1 8 4  7 2 3
+
+9 4 7  3 1 2  5 6 8
+5 8 2  4 6 7  3 9 1
+3 6 1  5 9 8  2 4 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,6,null,null,null,null,null,1,3,5,null,null,null,null,3,null,null,null,null,null,7,null,null,null,null,4,null,null,7,null,null,6,null,null,8,null,null,null,null,0,null,1,6,null,2,null,4,null,null,null,null,null,null,null,6,null,4,null,8,null,null,5,null,0,3,null,6,null,null,null,null,8,null,8,null,5,null,null,null,null,null],"solution":[4,6,2,8,5,7,0,1,3,5,1,8,4,0,3,2,6,7,3,0,7,1,2,6,8,4,5,2,7,0,3,6,5,1,8,4,8,5,3,0,4,1,6,7,2,1,4,6,2,7,8,5,3,0,6,2,4,7,8,0,3,5,1,0,3,5,6,1,4,7,2,8,7,8,1,5,3,2,4,0,6]}
+PUZZLE:
+_ 7 _  _ _ _  _ 2 4
+6 _ _  _ _ 4  _ _ _
+_ _ 8  _ _ _  _ 5 _
+
+_ 8 _  _ 7 _  _ 9 _
+_ _ _  1 _ 2  7 _ 3
+_ 5 _  _ _ _  _ _ _
+
+7 _ 5  _ 9 _  _ 6 _
+1 4 _  7 _ _  _ _ 9
+_ 9 _  6 _ _  _ _ _
+
+SOLUTION:
+5 7 3  9 6 8  1 2 4
+6 2 9  5 1 4  3 7 8
+4 1 8  2 3 7  9 5 6
+
+3 8 1  4 7 6  2 9 5
+9 6 4  1 5 2  7 8 3
+2 5 7  3 8 9  6 4 1
+
+7 3 5  8 9 1  4 6 2
+1 4 6  7 2 5  8 3 9
+8 9 2  6 4 3  5 1 7
+
+RATING: 4.25
+DATA:
+{"puzzle":[null,null,null,7,6,null,0,null,null,null,null,null,3,null,null,null,1,null,null,1,8,null,null,2,null,3,null,null,null,3,8,null,null,null,0,null,null,5,null,2,null,null,6,8,null,null,null,1,null,7,null,null,null,null,null,8,null,null,null,null,null,2,null,null,6,null,null,null,5,null,null,null,null,null,4,null,null,null,3,null,null],"solution":[5,3,2,7,6,1,0,4,8,7,0,6,3,4,8,5,1,2,4,1,8,5,0,2,7,3,6,6,2,3,8,5,4,1,0,7,0,5,7,2,1,3,6,8,4,8,4,1,0,7,6,2,5,3,1,8,5,6,3,7,4,2,0,3,6,0,4,2,5,8,7,1,2,7,4,1,8,0,3,6,5]}
+PUZZLE:
+_ _ _  8 7 _  1 _ _
+_ _ _  4 _ _  _ 2 _
+_ 2 9  _ _ 3  _ 4 _
+
+_ _ 4  9 _ _  _ 1 _
+_ 6 _  3 _ _  7 9 _
+_ _ 2  _ 8 _  _ _ _
+
+_ 9 _  _ _ _  _ 3 _
+_ 7 _  _ _ 6  _ _ _
+_ _ 5  _ _ _  4 _ _
+
+SOLUTION:
+6 4 3  8 7 2  1 5 9
+8 1 7  4 5 9  6 2 3
+5 2 9  6 1 3  8 4 7
+
+7 3 4  9 6 5  2 1 8
+1 6 8  3 2 4  7 9 5
+9 5 2  1 8 7  3 6 4
+
+2 9 6  7 4 8  5 3 1
+4 7 1  5 3 6  9 8 2
+3 8 5  2 9 1  4 7 6
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,null,null,null,2,6,null,null,3,null,null,null,null,null,4,null,null,5,null,null,0,3,1,null,null,null,null,8,null,4,1,null,null,null,6,null,null,7,null,null,8,null,null,null,null,3,null,null,null,6,2,null,4,null,null,null,null,null,7,1,null,8,null,5,null,null,2,null,null,3,null,null,7,null,null,null,null,null,null,null],"solution":[7,1,0,8,4,2,6,5,3,3,2,8,7,6,5,4,0,1,5,6,4,0,3,1,8,2,7,2,8,5,4,1,3,0,7,6,6,4,7,2,0,8,3,1,5,0,3,1,5,7,6,2,8,4,4,0,2,3,5,7,1,6,8,8,5,6,1,2,4,7,3,0,1,7,3,6,8,0,5,4,2]}
+PUZZLE:
+_ _ _  _ _ 3  7 _ _
+4 _ _  _ _ _  5 _ _
+6 _ _  1 4 2  _ _ _
+
+_ 9 _  5 2 _  _ _ 7
+_ _ 8  _ _ 9  _ _ _
+_ 4 _  _ _ 7  3 _ 5
+
+_ _ _  _ _ 8  2 _ 9
+_ 6 _  _ 3 _  _ 4 _
+_ 8 _  _ _ _  _ _ _
+
+SOLUTION:
+8 2 1  9 5 3  7 6 4
+4 3 9  8 7 6  5 1 2
+6 7 5  1 4 2  9 3 8
+
+3 9 6  5 2 4  1 8 7
+7 5 8  3 1 9  4 2 6
+1 4 2  6 8 7  3 9 5
+
+5 1 3  4 6 8  2 7 9
+9 6 7  2 3 5  8 4 1
+2 8 4  7 9 1  6 5 3
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,null,null,null,null,null,null,0,null,null,8,null,3,null,0,null,8,null,null,null,1,6,null,null,null,null,7,null,4,5,7,null,null,0,null,null,2,null,null,null,null,null,null,null,null,8,null,6,null,5,null,null,null,null,null,null,7,null,6,null,null,1,3,null,null,null,null,4,3,null,null,null,null,null,null],"solution":[5,1,8,4,3,2,7,6,0,4,7,6,1,0,5,3,8,2,3,2,0,7,8,6,4,5,1,6,3,1,8,2,7,0,4,5,7,8,5,0,6,4,2,1,3,2,0,4,3,5,1,8,7,6,0,5,2,6,4,8,1,3,7,8,6,7,2,1,3,5,0,4,1,4,3,5,7,0,6,2,8]}
+PUZZLE:
+_ _ _  5 _ _  _ _ _
+_ _ _  _ 1 _  _ 9 _
+4 _ 1  _ 9 _  _ _ 2
+
+7 _ _  _ _ 8  _ 5 6
+8 _ _  1 _ _  3 _ _
+_ _ _  _ _ _  9 _ 7
+
+_ 6 _  _ _ _  _ _ 8
+_ 7 _  _ 2 4  _ _ _
+_ 5 4  _ _ _  _ _ _
+
+SOLUTION:
+6 2 9  5 4 3  8 7 1
+5 8 7  2 1 6  4 9 3
+4 3 1  8 9 7  5 6 2
+
+7 4 2  9 3 8  1 5 6
+8 9 6  1 7 5  3 2 4
+3 1 5  4 6 2  9 8 7
+
+1 6 3  7 5 9  2 4 8
+9 7 8  3 2 4  6 1 5
+2 5 4  6 8 1  7 3 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,0,null,null,8,null,null,null,7,null,null,null,null,null,6,null,null,null,null,null,null,null,2,null,6,null,5,null,null,1,null,null,8,0,null,null,null,null,null,3,null,null,null,null,null,null,7,4,1,null,5,2,null,8,null,null,6,null,null,4,null,null,null,null,null,0,null,null,1,5,null,null,7,null,null,null,null,null],"solution":[1,2,6,4,0,5,7,8,3,4,0,7,2,8,3,5,1,6,8,5,3,1,6,7,4,2,0,6,7,5,0,3,1,2,4,8,0,4,1,8,5,2,3,6,7,3,8,2,6,7,4,1,0,5,2,3,8,5,1,6,0,7,4,7,6,4,3,2,0,8,5,1,5,1,0,7,4,8,6,3,2]}
+PUZZLE:
+_ _ _  _ 1 _  _ 9 _
+_ _ 8  _ _ _  _ _ 7
+_ _ _  _ _ _  _ 3 _
+
+7 _ 6  _ _ 2  _ _ 9
+1 _ _  _ _ _  4 _ _
+_ _ _  _ 8 5  2 _ 6
+
+3 _ 9  _ _ 7  _ _ 5
+_ _ _  _ _ 1  _ _ 2
+6 _ _  8 _ _  _ _ _
+
+SOLUTION:
+2 3 7  5 1 6  8 9 4
+5 1 8  3 9 4  6 2 7
+9 6 4  2 7 8  5 3 1
+
+7 8 6  1 4 2  3 5 9
+1 5 2  9 6 3  4 7 8
+4 9 3  7 8 5  2 1 6
+
+3 4 9  6 2 7  1 8 5
+8 7 5  4 3 1  9 6 2
+6 2 1  8 5 9  7 4 3
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,null,null,1,null,null,null,null,null,5,null,null,6,null,null,null,null,null,null,null,null,null,6,2,4,null,2,null,8,null,5,null,6,null,7,null,null,4,null,null,null,8,null,null,null,3,null,1,null,null,null,7,3,null,null,6,null,null,8,null,null,null,null,0,7,null,null,null,null,null,null,null,6,null,2,8,null,null,null],"solution":[4,6,7,2,8,1,3,0,5,2,0,5,3,4,6,7,1,8,1,3,8,5,0,7,6,2,4,0,2,4,8,7,5,1,6,3,7,5,1,4,6,3,0,8,2,6,8,3,0,1,2,5,4,7,3,4,2,6,5,0,8,7,1,8,1,0,7,3,4,2,5,6,5,7,6,1,2,8,4,3,0]}
+PUZZLE:
+_ _ _  _ _ 2  _ _ _
+_ _ 6  _ _ 7  _ _ _
+_ _ _  _ _ _  7 3 5
+
+_ 3 _  9 _ 6  _ 7 _
+8 _ _  5 _ _  _ 9 _
+_ _ 4  _ 2 _  _ _ 8
+
+4 _ _  7 _ _  9 _ _
+_ _ 1  8 _ _  _ _ _
+_ _ 7  _ 3 9  _ _ _
+
+SOLUTION:
+5 7 8  3 9 2  4 1 6
+3 1 6  4 5 7  8 2 9
+2 4 9  6 1 8  7 3 5
+
+1 3 5  9 8 6  2 7 4
+8 6 2  5 7 4  1 9 3
+7 9 4  1 2 3  6 5 8
+
+4 5 3  7 6 1  9 8 2
+9 2 1  8 4 5  3 6 7
+6 8 7  2 3 9  5 4 1
+
+RATING: 1
+DATA:
+{"puzzle":[1,null,null,null,null,null,null,6,8,null,null,3,null,2,null,null,null,5,null,null,null,null,null,5,1,null,null,3,2,null,null,null,6,8,null,null,null,null,0,null,null,null,2,null,null,null,6,null,null,5,null,null,7,null,null,null,1,null,7,null,null,null,null,8,null,5,3,null,null,null,null,0,6,null,null,null,1,null,null,null,null],"solution":[1,5,2,7,4,0,3,6,8,0,8,3,6,2,1,7,4,5,7,4,6,8,3,5,1,0,2,3,2,7,1,0,6,8,5,4,5,1,0,4,8,7,2,3,6,4,6,8,2,5,3,0,7,1,2,0,1,5,7,4,6,8,3,8,7,5,3,6,2,4,1,0,6,3,4,0,1,8,5,2,7]}
+PUZZLE:
+2 _ _  _ _ _  _ 7 9
+_ _ 4  _ 3 _  _ _ 6
+_ _ _  _ _ 6  2 _ _
+
+4 3 _  _ _ 7  9 _ _
+_ _ 1  _ _ _  3 _ _
+_ 7 _  _ 6 _  _ 8 _
+
+_ _ 2  _ 8 _  _ _ _
+9 _ 6  4 _ _  _ _ 1
+7 _ _  _ 2 _  _ _ _
+
+SOLUTION:
+2 6 3  8 5 1  4 7 9
+1 9 4  7 3 2  8 5 6
+8 5 7  9 4 6  2 1 3
+
+4 3 8  2 1 7  9 6 5
+6 2 1  5 9 8  3 4 7
+5 7 9  3 6 4  1 8 2
+
+3 1 2  6 8 5  7 9 4
+9 8 6  4 7 3  5 2 1
+7 4 5  1 2 9  6 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,null,null,null,null,null,null,null,null,null,null,null,6,null,null,1,null,6,null,null,1,null,8,4,0,null,null,0,null,null,null,null,null,null,null,1,null,null,3,5,null,null,4,2,null,5,null,null,2,null,6,null,null,null,null,null,null,null,null,0,null,7,null,null,null,null,3,7,null,null,5,null,null,null,6,0,null,null,3,null],"solution":[8,7,1,0,4,3,5,2,6,0,4,3,5,6,2,7,1,8,6,2,5,1,7,8,4,0,3,2,0,4,7,8,6,3,5,1,1,6,7,3,5,0,8,4,2,3,5,8,4,2,1,6,7,0,5,3,6,2,1,4,0,8,7,4,1,0,8,3,7,2,6,5,7,8,2,6,0,5,1,3,4]}
+PUZZLE:
+_ 8 _  _ _ _  _ _ _
+_ _ _  _ 7 _  _ 2 _
+7 _ _  2 _ 9  5 1 _
+
+_ 1 _  _ _ _  _ _ _
+2 _ _  4 6 _  _ 5 3
+_ 6 _  _ 3 _  7 _ _
+
+_ _ _  _ _ _  1 _ 8
+_ _ _  _ 4 8  _ _ 6
+_ _ _  7 1 _  _ 4 _
+
+SOLUTION:
+9 8 2  1 5 4  6 3 7
+1 5 4  6 7 3  8 2 9
+7 3 6  2 8 9  5 1 4
+
+3 1 5  8 9 7  4 6 2
+2 7 8  4 6 1  9 5 3
+4 6 9  5 3 2  7 8 1
+
+6 4 7  3 2 5  1 9 8
+5 2 1  9 4 8  3 7 6
+8 9 3  7 1 6  2 4 5
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,0,null,null,6,null,null,null,null,null,null,null,7,null,null,5,null,8,null,null,1,4,null,null,null,null,null,2,4,null,null,null,7,3,1,null,null,8,null,null,null,null,null,null,null,3,7,null,6,null,null,4,null,7,null,3,null,null,null,5,0,null,null,null,null,null,null,null,null,8,null,null,null,null,7,null,null,4,null,2],"solution":[4,5,0,3,2,6,1,7,8,3,6,1,0,7,8,2,5,4,8,7,2,1,4,5,0,6,3,6,2,4,5,8,0,7,3,1,1,0,8,4,3,7,6,2,5,5,3,7,2,6,1,8,4,0,7,4,3,8,1,2,5,0,6,2,1,5,6,0,4,3,8,7,0,8,6,7,5,3,4,1,2]}
+PUZZLE:
+5 _ 1  _ _ 7  _ _ _
+_ _ _  _ 8 _  _ 6 _
+9 _ _  2 5 _  _ _ _
+
+_ 3 5  _ _ _  8 4 2
+_ _ 9  _ _ _  _ _ _
+_ 4 8  _ 7 _  _ 5 _
+
+8 _ 4  _ _ _  6 1 _
+_ _ _  _ _ _  _ 9 _
+_ _ _  8 _ _  5 _ 3
+
+SOLUTION:
+5 6 1  4 3 7  2 8 9
+4 7 2  1 8 9  3 6 5
+9 8 3  2 5 6  1 7 4
+
+7 3 5  6 9 1  8 4 2
+2 1 9  5 4 8  7 3 6
+6 4 8  3 7 2  9 5 1
+
+8 5 4  9 2 3  6 1 7
+3 2 6  7 1 5  4 9 8
+1 9 7  8 6 4  5 2 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,1,null,4,null,null,null,null,null,8,null,6,3,null,null,null,null,1,0,null,3,null,6,null,null,2,null,2,null,null,null,null,null,1,null,null,4,null,null,0,null,3,null,5,null,null,null,null,5,null,8,7,null,null,null,null,null,null,null,null,null,null,4,null,5,null,1,null,7,null,null,6,6,null,null,null,null,4,null,null,null],"solution":[5,1,2,4,7,0,3,6,8,8,4,6,3,5,2,0,7,1,0,7,3,8,6,1,4,2,5,2,3,5,7,4,6,1,8,0,4,8,7,0,1,3,6,5,2,1,6,0,5,2,8,7,4,3,7,2,1,6,0,5,8,3,4,3,5,4,1,8,7,2,0,6,6,0,8,2,3,4,5,1,7]}
+PUZZLE:
+_ 2 _  5 _ _  _ _ _
+9 _ 7  4 _ _  _ _ 2
+1 _ 4  _ 7 _  _ 3 _
+
+3 _ _  _ _ _  2 _ _
+5 _ _  1 _ 4  _ 6 _
+_ _ _  6 _ 9  8 _ _
+
+_ _ _  _ _ _  _ _ 5
+_ 6 _  2 _ 8  _ _ 7
+7 _ _  _ _ 5  _ _ _
+
+SOLUTION:
+6 2 3  5 8 1  4 7 9
+9 5 7  4 6 3  1 8 2
+1 8 4  9 7 2  5 3 6
+
+3 4 6  8 5 7  2 9 1
+5 9 8  1 2 4  7 6 3
+2 7 1  6 3 9  8 5 4
+
+8 3 2  7 1 6  9 4 5
+4 6 5  2 9 8  3 1 7
+7 1 9  3 4 5  6 2 8
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,null,6,null,null,null,null,null,5,null,4,null,null,null,null,null,null,null,6,null,null,8,3,1,null,null,null,3,null,7,null,6,null,null,0,null,null,null,null,5,null,null,null,1,2,null,null,null,0,null,8,5,7,6,null,null,null,null,null,7,null,null,null,null,null,null,3,null,0,null,null,null,null,null,null,null,5,null,2,null],"solution":[3,8,1,6,4,0,5,7,2,5,0,4,2,7,1,3,8,6,7,6,2,5,8,3,1,0,4,8,3,5,7,1,6,2,4,0,0,4,7,8,5,2,6,3,1,2,1,6,3,0,4,8,5,7,6,5,0,4,2,8,7,1,3,4,2,8,1,3,7,0,6,5,1,7,3,0,6,5,4,2,8]}
+PUZZLE:
+4 _ _  7 _ _  _ _ _
+6 _ 5  _ _ _  _ _ _
+_ 7 _  _ 9 4  2 _ _
+
+_ 4 _  8 _ 7  _ _ 1
+_ _ _  _ 6 _  _ _ 2
+3 _ _  _ 1 _  9 6 8
+
+7 _ _  _ _ _  8 _ _
+_ _ _  _ 4 _  1 _ _
+_ _ _  _ _ 6  _ 3 _
+
+SOLUTION:
+4 9 2  7 5 1  6 8 3
+6 1 5  3 8 2  4 9 7
+8 7 3  6 9 4  2 1 5
+
+9 4 6  8 2 7  3 5 1
+1 5 8  9 6 3  7 4 2
+3 2 7  4 1 5  9 6 8
+
+7 6 1  5 3 9  8 2 4
+5 3 9  2 4 8  1 7 6
+2 8 4  1 7 6  5 3 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,null,null,null,null,null,5,8,null,3,null,null,null,2,null,null,null,null,null,2,null,null,4,null,null,3,null,null,6,null,4,null,0,1,null,null,null,4,null,null,null,7,null,2,null,null,null,null,null,null,null,7,null,0,null,null,null,1,5,null,null,6,null,null,null,7,null,0,null,null,null,null,null,null,3,null,null,null],"solution":[4,0,2,8,5,6,3,7,1,5,8,1,3,7,4,0,2,6,6,7,3,1,2,0,5,4,8,8,3,7,2,6,5,4,1,0,1,5,6,0,4,8,2,3,7,0,2,4,7,3,1,6,8,5,7,4,0,6,8,2,1,5,3,3,6,5,4,1,7,8,0,2,2,1,8,5,0,3,7,6,4]}
+PUZZLE:
+_ _ _  9 _ _  _ _ _
+6 9 _  4 _ _  _ 3 _
+_ _ _  _ 3 _  _ 5 _
+
+_ 4 _  _ 7 _  5 _ 1
+2 _ _  _ 5 _  _ _ 8
+_ 3 _  _ _ _  _ _ _
+
+8 _ 1  _ _ _  2 6 _
+_ 7 _  _ _ 8  _ 1 _
+_ _ _  _ _ 4  _ _ _
+
+SOLUTION:
+5 1 3  9 6 7  4 8 2
+6 9 2  4 8 5  1 3 7
+7 8 4  2 3 1  6 5 9
+
+9 4 8  3 7 6  5 2 1
+2 6 7  1 5 9  3 4 8
+1 3 5  8 4 2  7 9 6
+
+8 5 1  7 9 3  2 6 4
+4 7 6  5 2 8  9 1 3
+3 2 9  6 1 4  8 7 5
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,3,null,null,2,null,7,null,8,2,null,1,null,null,null,null,null,null,null,null,null,null,3,1,null,null,null,null,7,null,1,null,null,null,null,5,3,null,null,null,null,null,null,0,null,6,1,null,7,null,null,5,null,null,null,4,null,8,null,null,null,null,null,null,null,null,2,0,4,null,6,null,null,null,null,null,6,null,null,null],"solution":[1,5,3,6,4,2,0,7,8,8,2,0,1,5,7,6,4,3,4,7,6,8,0,3,1,2,5,0,4,7,3,1,5,8,6,2,5,3,8,2,6,4,7,1,0,2,6,1,0,7,8,3,5,4,6,0,4,5,8,1,2,3,7,3,1,5,7,2,0,4,8,6,7,8,2,4,3,6,5,0,1]}
+PUZZLE:
+_ _ 4  _ _ 3  _ 8 _
+9 3 _  2 _ _  _ _ _
+_ _ _  _ _ 4  2 _ _
+
+_ _ 8  _ 2 _  _ _ _
+6 4 _  _ _ _  _ _ 1
+_ 7 2  _ 8 _  _ 6 _
+
+_ _ 5  _ 9 _  _ _ _
+_ _ _  _ 3 1  5 _ 7
+_ _ _  _ _ 7  _ _ _
+
+SOLUTION:
+2 6 4  7 5 3  1 8 9
+9 3 1  2 6 8  7 5 4
+5 8 7  9 1 4  2 3 6
+
+1 5 8  4 2 6  9 7 3
+6 4 9  3 7 5  8 2 1
+3 7 2  1 8 9  4 6 5
+
+7 1 5  6 9 2  3 4 8
+4 2 6  8 3 1  5 9 7
+8 9 3  5 4 7  6 1 2
+
+RATING: 1.25
+DATA:
+{"puzzle":[3,null,null,null,5,2,null,8,null,null,4,2,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,0,3,null,null,null,null,null,null,8,null,null,6,null,null,5,null,null,null,null,5,null,null,null,0,6,1,null,null,null,1,6,null,3,5,null,null,null,null,null,null,null,null,null,2,4,2,0,null,null,null,1,null,6,null],"solution":[3,6,7,0,5,2,4,8,1,5,4,2,1,8,7,0,3,6,8,1,0,3,6,4,2,7,5,0,3,4,2,1,6,7,5,8,1,2,6,8,7,5,3,4,0,7,5,8,4,3,0,6,1,2,4,8,1,6,2,3,5,0,7,6,7,3,5,0,8,1,2,4,2,0,5,7,4,1,8,6,3]}
+PUZZLE:
+4 _ _  _ 6 3  _ 9 _
+_ 5 3  _ 9 _  _ _ _
+_ _ _  _ _ _  _ _ _
+
+1 4 _  _ _ _  _ _ 9
+_ _ 7  _ _ 6  _ _ _
+_ 6 _  _ _ 1  7 2 _
+
+_ _ 2  7 _ 4  6 _ _
+_ _ _  _ _ _  _ 3 5
+3 1 _  _ _ 2  _ 7 _
+
+SOLUTION:
+4 7 8  1 6 3  5 9 2
+6 5 3  2 9 8  1 4 7
+9 2 1  4 7 5  3 8 6
+
+1 4 5  3 2 7  8 6 9
+2 3 7  9 8 6  4 5 1
+8 6 9  5 4 1  7 2 3
+
+5 9 2  7 3 4  6 1 8
+7 8 4  6 1 9  2 3 5
+3 1 6  8 5 2  9 7 4
+
+RATING: 1
+DATA:
+{"puzzle":[2,3,6,null,null,null,null,null,null,null,4,null,6,0,null,null,null,1,null,null,null,null,null,null,4,null,null,null,null,5,null,null,4,null,1,2,null,null,8,7,null,null,6,null,null,null,6,4,1,null,null,3,null,null,null,null,null,null,null,null,null,7,6,null,null,null,null,null,null,null,null,null,null,null,null,5,null,0,null,null,8],"solution":[2,3,6,4,5,1,7,8,0,8,4,7,6,0,3,5,2,1,5,0,1,8,2,7,4,6,3,3,7,5,0,6,4,8,1,2,1,2,8,7,3,5,6,0,4,0,6,4,1,8,2,3,5,7,4,5,2,3,1,8,0,7,6,7,8,0,2,4,6,1,3,5,6,1,3,5,7,0,2,4,8]}
+PUZZLE:
+3 4 7  _ _ _  _ _ _
+_ 5 _  7 1 _  _ _ 2
+_ _ _  _ _ _  5 _ _
+
+_ _ 6  _ _ 5  _ 2 3
+_ _ 9  8 _ _  7 _ _
+_ 7 5  2 _ _  4 _ _
+
+_ _ _  _ _ _  _ 8 7
+_ _ _  _ _ _  _ _ _
+_ _ _  6 _ 1  _ _ 9
+
+SOLUTION:
+3 4 7  5 6 2  8 9 1
+9 5 8  7 1 4  6 3 2
+6 1 2  9 3 8  5 7 4
+
+4 8 6  1 7 5  9 2 3
+2 3 9  8 4 6  7 1 5
+1 7 5  2 9 3  4 6 8
+
+5 6 3  4 2 9  1 8 7
+8 9 1  3 5 7  2 4 6
+7 2 4  6 8 1  3 5 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,2,null,null,null,null,null,6,null,1,4,null,null,null,3,null,3,4,null,null,null,5,null,null,null,null,null,null,null,3,null,8,null,null,5,null,4,null,null,null,null,null,null,null,3,6,null,0,null,4,null,null,null,2,null,null,null,1,null,null,0,null,null,8,7,1,null,null,6,null,null,null,5,null,null,null,null,7],"solution":[5,0,1,3,2,6,8,7,4,7,6,8,1,4,5,0,2,3,2,3,4,7,0,8,5,6,1,4,1,7,2,5,3,6,8,0,6,5,0,4,8,7,3,1,2,8,2,3,6,1,0,7,4,5,3,7,2,0,6,4,1,5,8,0,4,5,8,7,1,2,3,6,1,8,6,5,3,2,4,0,7]}
+PUZZLE:
+_ _ _  _ 3 _  _ _ _
+_ 7 _  2 5 _  _ _ 4
+_ 4 5  _ _ _  6 _ _
+
+_ _ _  _ _ 4  _ 9 _
+_ 6 _  5 _ _  _ _ _
+_ _ 4  7 _ 1  _ 5 _
+
+_ _ 3  _ _ _  2 _ _
+1 _ _  9 8 2  _ _ 7
+_ _ _  6 _ _  _ _ 8
+
+SOLUTION:
+6 1 2  4 3 7  9 8 5
+8 7 9  2 5 6  1 3 4
+3 4 5  8 1 9  6 7 2
+
+5 2 8  3 6 4  7 9 1
+7 6 1  5 9 8  4 2 3
+9 3 4  7 2 1  8 5 6
+
+4 8 3  1 7 5  2 6 9
+1 5 6  9 8 2  3 4 7
+2 9 7  6 4 3  5 1 8
+
+RATING: 2
+DATA:
+{"puzzle":[null,3,null,null,null,null,0,8,null,null,null,4,null,null,null,null,2,null,0,null,1,null,2,6,null,null,null,null,null,null,4,null,null,null,7,null,null,null,3,null,0,null,null,null,8,null,1,null,null,null,5,null,null,null,null,8,null,null,null,null,null,0,2,null,null,null,null,null,null,6,null,4,null,7,0,null,null,1,null,null,null],"solution":[2,3,7,1,5,4,0,8,6,8,6,4,3,7,0,5,2,1,0,5,1,8,2,6,4,3,7,6,0,2,4,1,8,3,7,5,5,4,3,7,0,2,1,6,8,7,1,8,6,3,5,2,4,0,1,8,6,5,4,3,7,0,2,3,2,5,0,8,7,6,1,4,4,7,0,2,6,1,8,5,3]}
+PUZZLE:
+_ 4 _  _ _ _  1 9 _
+_ _ 5  _ _ _  _ 3 _
+1 _ 2  _ 3 7  _ _ _
+
+_ _ _  5 _ _  _ 8 _
+_ _ 4  _ 1 _  _ _ 9
+_ 2 _  _ _ 6  _ _ _
+
+_ 9 _  _ _ _  _ 1 3
+_ _ _  _ _ _  7 _ 5
+_ 8 1  _ _ 2  _ _ _
+
+SOLUTION:
+3 4 8  2 6 5  1 9 7
+9 7 5  4 8 1  6 3 2
+1 6 2  9 3 7  5 4 8
+
+7 1 3  5 2 9  4 8 6
+6 5 4  8 1 3  2 7 9
+8 2 9  7 4 6  3 5 1
+
+2 9 7  6 5 4  8 1 3
+4 3 6  1 9 8  7 2 5
+5 8 1  3 7 2  9 6 4
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,3,0,null,null,null,null,1,null,7,null,null,null,null,null,null,6,null,null,1,null,7,4,null,0,null,null,1,null,null,null,null,6,4,0,null,null,null,7,null,null,4,6,null,null,null,null,2,null,null,null,null,null,null,null,null,null,5,null,null,null,null,2,null,8,null,null,0,null,null,null,null,null,null,1,null,7,null,8,null,null],"solution":[2,3,0,6,8,5,7,1,4,7,4,5,1,3,0,2,6,8,8,1,6,7,4,2,0,3,5,1,5,8,3,2,6,4,0,7,3,0,7,8,5,4,6,2,1,4,6,2,0,1,7,5,8,3,0,7,3,5,6,8,1,4,2,5,8,4,2,0,1,3,7,6,6,2,1,4,7,3,8,5,0]}
+PUZZLE:
+_ 4 1  _ _ _  _ 2 _
+8 _ _  _ _ _  _ 7 _
+_ 2 _  8 5 _  1 _ _
+
+2 _ _  _ _ 7  5 1 _
+_ _ 8  _ _ 5  7 _ _
+_ _ 3  _ _ _  _ _ _
+
+_ _ _  6 _ _  _ _ 3
+_ 9 _  _ 1 _  _ _ _
+_ _ 2  _ 8 _  9 _ _
+
+SOLUTION:
+3 4 1  7 9 6  8 2 5
+8 5 6  2 4 1  3 7 9
+9 2 7  8 5 3  1 4 6
+
+2 6 9  4 3 7  5 1 8
+4 1 8  9 6 5  7 3 2
+5 7 3  1 2 8  6 9 4
+
+1 8 4  6 7 9  2 5 3
+6 9 5  3 1 2  4 8 7
+7 3 2  5 8 4  9 6 1
+
+RATING: 2
+DATA:
+{"puzzle":[null,5,null,null,null,null,1,null,null,null,null,6,null,null,2,null,null,null,7,1,3,null,null,6,null,0,null,null,3,5,null,null,null,null,null,7,null,null,null,0,7,5,null,3,6,null,null,null,null,null,null,2,null,null,null,null,null,null,3,null,null,null,null,null,8,1,5,null,null,null,null,3,null,null,null,1,null,8,null,null,null],"solution":[8,5,2,7,0,3,1,6,4,0,4,6,8,1,2,3,7,5,7,1,3,4,5,6,8,0,2,4,3,5,6,2,1,0,8,7,1,2,8,0,7,5,4,3,6,6,7,0,3,8,4,2,5,1,5,0,4,2,3,7,6,1,8,2,8,1,5,6,0,7,4,3,3,6,7,1,4,8,5,2,0]}
+PUZZLE:
+_ 6 _  _ _ _  2 _ _
+_ _ 7  _ _ 3  _ _ _
+8 2 4  _ _ 7  _ 1 _
+
+_ 4 6  _ _ _  _ _ 8
+_ _ _  1 8 6  _ 4 7
+_ _ _  _ _ _  3 _ _
+
+_ _ _  _ 4 _  _ _ _
+_ 9 2  6 _ _  _ _ 4
+_ _ _  2 _ 9  _ _ _
+
+SOLUTION:
+9 6 3  8 1 4  2 7 5
+1 5 7  9 2 3  4 8 6
+8 2 4  5 6 7  9 1 3
+
+5 4 6  7 3 2  1 9 8
+2 3 9  1 8 6  5 4 7
+7 8 1  4 9 5  3 6 2
+
+6 1 5  3 4 8  7 2 9
+3 9 2  6 7 1  8 5 4
+4 7 8  2 5 9  6 3 1
+
+RATING: 2
+DATA:
+{"puzzle":[2,6,null,null,null,null,null,null,null,7,null,3,null,0,null,5,null,null,null,null,4,null,3,null,null,null,8,null,1,null,null,2,null,null,6,null,null,null,null,6,null,null,null,null,0,0,null,null,null,null,null,null,5,null,null,2,null,3,4,1,null,null,null,null,5,null,null,null,2,7,null,null,null,null,null,null,null,null,2,null,3],"solution":[2,6,5,8,7,4,0,3,1,7,8,3,1,0,6,5,2,4,1,0,4,2,3,5,6,7,8,5,1,8,4,2,0,3,6,7,4,7,2,6,5,3,1,8,0,0,3,6,7,1,8,4,5,2,6,2,7,3,4,1,8,0,5,3,5,1,0,8,2,7,4,6,8,4,0,5,6,7,2,1,3]}
+PUZZLE:
+3 7 _  _ _ _  _ _ _
+8 _ 4  _ 1 _  6 _ _
+_ _ 5  _ 4 _  _ _ 9
+
+_ 2 _  _ 3 _  _ 7 _
+_ _ _  7 _ _  _ _ 1
+1 _ _  _ _ _  _ 6 _
+
+_ 3 _  4 5 2  _ _ _
+_ 6 _  _ _ 3  8 _ _
+_ _ _  _ _ _  3 _ 4
+
+SOLUTION:
+3 7 6  9 8 5  1 4 2
+8 9 4  2 1 7  6 3 5
+2 1 5  3 4 6  7 8 9
+
+6 2 9  5 3 1  4 7 8
+5 8 3  7 6 4  2 9 1
+1 4 7  8 2 9  5 6 3
+
+7 3 8  4 5 2  9 1 6
+4 6 2  1 9 3  8 5 7
+9 5 1  6 7 8  3 2 4
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,5,3,null,null,null,null,2,null,null,7,null,null,0,null,null,null,null,null,null,6,null,null,1,8,null,null,null,null,null,4,null,null,null,7,8,4,null,null,3,null,null,null,null,null,null,null,7,null,null,null,6,null,5,null,8,null,null,null,7,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,5,0],"solution":[1,5,3,8,6,4,0,2,7,8,7,4,2,0,3,5,6,1,0,2,6,7,5,1,8,3,4,5,0,2,4,1,6,3,7,8,4,6,8,3,7,5,1,0,2,3,1,7,0,8,2,6,4,5,6,8,0,5,2,7,4,1,3,2,4,5,1,3,0,7,8,6,7,3,1,6,4,8,2,5,0]}
+PUZZLE:
+_ 6 4  _ _ _  _ 3 _
+_ 8 _  _ 1 _  _ _ _
+_ _ 7  _ _ 2  9 _ _
+
+_ _ _  5 _ _  _ 8 9
+5 _ _  4 _ _  _ _ _
+_ _ 8  _ _ _  7 _ 6
+
+_ 9 _  _ _ 8  _ _ _
+3 _ _  _ _ _  _ _ _
+_ _ _  _ 5 _  _ 6 1
+
+SOLUTION:
+2 6 4  9 7 5  1 3 8
+9 8 5  3 1 4  6 7 2
+1 3 7  8 6 2  9 4 5
+
+6 1 3  5 2 7  4 8 9
+5 7 9  4 8 6  2 1 3
+4 2 8  1 9 3  7 5 6
+
+7 9 1  6 3 8  5 2 4
+3 5 6  2 4 1  8 9 7
+8 4 2  7 5 9  3 6 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,null,2,null,2,3,null,null,null,null,null,8,null,4,null,1,null,null,null,5,null,6,7,null,4,null,5,null,null,null,null,null,2,null,null,6,null,7,null,null,0,null,null,null,null,1,null,null,null,null,8,null,null,null,0,6,4,null,5,null,null,null,null,null,null,null,4,null,null,null,2,null,null,null,null],"solution":[0,6,5,8,3,4,7,1,2,1,2,3,5,0,7,6,4,8,8,4,7,1,6,2,3,5,0,6,7,1,4,8,5,2,0,3,3,8,2,0,1,6,4,7,5,5,0,4,2,7,3,1,8,6,2,3,8,7,5,1,0,6,4,7,5,6,3,4,0,8,2,1,4,1,0,6,2,8,5,3,7]}
+PUZZLE:
+_ _ _  _ _ 5  _ _ 3
+_ 3 4  _ _ _  _ _ 9
+_ 5 _  2 _ _  _ 6 _
+
+7 8 _  5 _ 6  _ _ _
+_ _ 3  _ _ 7  _ 8 _
+_ 1 _  _ _ _  2 _ _
+
+_ _ 9  _ _ _  1 7 5
+_ 6 _  _ _ _  _ _ _
+5 _ _  _ 3 _  _ _ _
+
+SOLUTION:
+1 7 6  9 4 5  8 2 3
+2 3 4  6 1 8  7 5 9
+9 5 8  2 7 3  4 6 1
+
+7 8 2  5 9 6  3 1 4
+4 9 3  1 2 7  5 8 6
+6 1 5  3 8 4  2 9 7
+
+3 4 9  8 6 2  1 7 5
+8 6 7  4 5 1  9 3 2
+5 2 1  7 3 9  6 4 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,8,4,null,null,null,null,5,null,null,null,null,null,1,6,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,6,null,null,6,2,null,3,null,null,5,null,null,null,4,7,null,5,null,null,null,8,1,7,null,6,null,null,0,null,3,null,null,null,1,null,3,null,null,null,null,null,null,null,8,null,null,null,null],"solution":[7,6,1,8,4,5,3,0,2,5,8,2,7,3,0,1,6,4,4,0,3,2,6,1,7,8,5,8,1,5,4,7,2,6,3,0,6,2,0,3,1,8,5,4,7,3,4,7,0,5,6,2,1,8,1,7,8,6,2,4,0,5,3,2,5,4,1,0,3,8,7,6,0,3,6,5,8,7,4,2,1]}
+PUZZLE:
+_ _ 2  9 5 _  _ _ _
+6 _ _  _ _ _  2 7 _
+_ _ _  _ _ _  8 _ _
+
+_ _ _  _ _ _  7 _ _
+7 3 _  4 _ _  6 _ _
+_ 5 8  _ 6 _  _ _ 9
+
+2 8 _  7 _ _  1 _ 4
+_ _ _  2 _ 4  _ _ _
+_ _ _  _ 9 _  _ _ _
+
+SOLUTION:
+8 7 2  9 5 6  4 1 3
+6 9 3  8 4 1  2 7 5
+5 1 4  3 7 2  8 9 6
+
+9 2 6  5 8 3  7 4 1
+7 3 1  4 2 9  6 5 8
+4 5 8  1 6 7  3 2 9
+
+2 8 9  7 3 5  1 6 4
+3 6 5  2 1 4  9 8 7
+1 4 7  6 9 8  5 3 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,5,1,null,null,null,null,null,null,null,4,null,0,null,null,3,null,null,null,null,null,2,null,null,null,null,null,7,8,null,null,null,3,null,null,5,null,null,4,null,7,null,6,null,null,0,null,null,6,null,null,2,7,null,6,null,null,null,null,8,null,null,null,null,6,null,null,1,null,null,null,null,3,null,null,null,2,null,5],"solution":[3,0,4,5,1,7,6,2,8,2,6,1,4,8,0,5,7,3,5,7,8,3,6,2,4,0,1,6,1,7,8,2,5,0,3,4,8,5,2,0,4,3,7,1,6,4,3,0,1,7,6,8,5,2,7,4,6,2,5,1,3,8,0,0,2,5,6,3,8,1,4,7,1,8,3,7,0,4,2,6,5]}
+PUZZLE:
+_ 1 _  6 2 _  _ _ _
+_ _ _  5 _ 1  _ _ 4
+_ _ _  _ _ 3  _ _ _
+
+_ _ 8  9 _ _  _ 4 _
+_ 6 _  _ 5 _  8 _ 7
+_ _ 1  _ _ 7  _ _ 3
+
+8 _ 7  _ _ _  _ 9 _
+_ _ _  7 _ _  2 _ _
+_ _ 4  _ _ _  3 _ 6
+
+SOLUTION:
+4 1 5  6 2 8  7 3 9
+3 7 2  5 9 1  6 8 4
+6 8 9  4 7 3  5 1 2
+
+7 2 8  9 3 6  1 4 5
+9 6 3  1 5 4  8 2 7
+5 4 1  2 8 7  9 6 3
+
+8 5 7  3 6 2  4 9 1
+1 3 6  7 4 9  2 5 8
+2 9 4  8 1 5  3 7 6
+
+RATING: 2
+DATA:
+{"puzzle":[2,null,null,8,null,null,6,null,null,7,null,null,null,1,null,null,null,null,null,null,null,2,null,5,null,3,null,null,null,null,null,null,2,null,null,3,0,null,null,null,5,3,null,null,null,null,null,2,null,0,null,8,1,null,8,null,3,7,null,null,null,5,null,null,null,4,null,null,null,null,null,null,null,5,null,null,null,null,0,null,null],"solution":[2,1,5,8,3,4,6,7,0,7,3,8,0,1,6,5,2,4,4,6,0,2,7,5,1,3,8,5,7,6,1,8,2,4,0,3,0,8,1,4,5,3,7,6,2,3,4,2,6,0,7,8,1,5,8,0,3,7,4,1,2,5,6,1,2,4,5,6,0,3,8,7,6,5,7,3,2,8,0,4,1]}
+PUZZLE:
+3 _ _  9 _ _  7 _ _
+8 _ _  _ 2 _  _ _ _
+_ _ _  3 _ 6  _ 4 _
+
+_ _ _  _ _ 3  _ _ 4
+1 _ _  _ 6 4  _ _ _
+_ _ 3  _ 1 _  9 2 _
+
+9 _ 4  8 _ _  _ 6 _
+_ _ 5  _ _ _  _ _ _
+_ 6 _  _ _ _  1 _ _
+
+SOLUTION:
+3 2 6  9 4 5  7 8 1
+8 4 9  1 2 7  6 3 5
+5 7 1  3 8 6  2 4 9
+
+6 8 7  2 9 3  5 1 4
+1 9 2  5 6 4  8 7 3
+4 5 3  7 1 8  9 2 6
+
+9 1 4  8 5 2  3 6 7
+2 3 5  6 7 1  4 9 8
+7 6 8  4 3 9  1 5 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,7,4,6,null,null,null,null,3,null,null,null,null,null,null,4,null,null,8,6,2,0,null,null,null,3,4,null,null,null,null,null,8,null,null,null,null,null,null,null,6,null,null,null,7,null,2,null,null,5,null,null,null,5,null,8,null,null,null,7,null,null,null,null,null,0,3,null,6,3,null,null,7,null,null,null,null,null],"solution":[8,5,0,3,7,4,6,1,2,2,6,3,1,0,5,8,7,4,4,7,1,8,6,2,0,3,5,6,3,4,5,1,7,2,0,8,5,0,2,4,3,8,7,6,1,1,8,7,0,2,6,4,5,3,0,4,5,6,8,3,1,2,7,7,1,8,2,5,0,3,4,6,3,2,6,7,4,1,5,8,0]}
+PUZZLE:
+_ _ _  _ 8 5  7 _ _
+_ _ 4  _ _ _  _ _ _
+5 _ _  9 7 3  1 _ _
+
+_ 4 5  _ _ _  _ _ 9
+_ _ _  _ _ _  _ 7 _
+_ _ 8  _ 3 _  _ 6 _
+
+_ _ 6  _ 9 _  _ _ 8
+_ _ _  _ _ 1  4 _ 7
+4 _ _  8 _ _  _ _ _
+
+SOLUTION:
+9 6 1  4 8 5  7 2 3
+3 7 4  2 1 6  9 8 5
+5 8 2  9 7 3  1 4 6
+
+7 4 5  6 2 8  3 1 9
+6 1 3  5 4 9  8 7 2
+2 9 8  1 3 7  5 6 4
+
+1 5 6  7 9 4  2 3 8
+8 2 9  3 6 1  4 5 7
+4 3 7  8 5 2  6 9 1
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,0,null,4,null,null,null,null,null,5,null,null,null,null,null,2,null,null,null,null,8,0,null,1,null,null,7,8,null,2,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,0,4,null,3,7,null,null,2,null,null,null,null,null,null,2,5,null,null,null,5,7,8,null,null,1,null,null,4,null,1,null,null,null,3,null],"solution":[6,1,0,5,4,2,8,7,3,4,5,8,3,7,1,0,2,6,3,7,2,8,0,6,1,4,5,7,8,6,2,5,4,3,0,1,5,2,3,0,1,8,7,6,4,1,0,4,6,3,7,5,8,2,8,3,1,4,6,0,2,5,7,2,6,5,7,8,3,4,1,0,0,4,7,1,2,5,6,3,8]}
+PUZZLE:
+_ _ 1  _ 5 _  _ _ _
+_ 6 _  _ _ _  _ 3 _
+_ _ _  9 1 _  2 _ _
+
+8 9 _  3 _ _  _ _ _
+_ _ 4  _ _ _  _ _ _
+_ 1 5  _ 4 8  _ _ 3
+
+_ _ _  _ _ _  3 6 _
+_ _ 6  8 9 _  _ 2 _
+_ 5 _  2 _ _  _ 4 _
+
+SOLUTION:
+7 2 1  6 5 3  9 8 4
+5 6 9  4 8 2  1 3 7
+4 8 3  9 1 7  2 5 6
+
+8 9 7  3 6 5  4 1 2
+6 3 4  1 2 9  8 7 5
+2 1 5  7 4 8  6 9 3
+
+9 4 2  5 7 1  3 6 8
+3 7 6  8 9 4  5 2 1
+1 5 8  2 3 6  7 4 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,null,null,0,null,null,null,null,null,3,0,null,4,null,null,null,null,null,null,null,7,null,6,null,null,null,4,null,null,3,1,null,2,null,null,5,null,null,null,null,null,null,2,null,3,null,null,8,null,7,null,0,5,null,null,null,null,null,null,1,null,null,null,null,null,null,null,4,null,null,6,null,2,null,1,null,null,3],"solution":[3,1,6,8,4,5,0,2,7,7,2,8,3,0,6,4,1,5,5,4,0,1,2,7,3,6,8,6,8,4,0,7,3,1,5,2,1,7,5,4,6,2,8,3,0,2,0,3,5,1,8,6,7,4,0,5,2,6,3,4,7,8,1,8,3,1,7,5,0,2,4,6,4,6,7,2,8,1,5,0,3]}
+PUZZLE:
+_ 2 _  _ _ _  1 _ _
+_ _ _  4 1 _  5 _ _
+_ _ _  _ _ 8  _ 7 _
+
+_ _ 5  _ _ 4  2 _ 3
+_ _ 6  _ _ _  _ _ _
+3 _ 4  _ _ 9  _ 8 _
+
+1 6 _  _ _ _  _ _ 2
+_ _ _  _ _ _  _ 5 _
+_ 7 _  3 _ 2  _ _ 4
+
+SOLUTION:
+4 2 7  9 5 6  1 3 8
+8 3 9  4 1 7  5 2 6
+6 5 1  2 3 8  4 7 9
+
+7 9 5  1 8 4  2 6 3
+2 8 6  5 7 3  9 4 1
+3 1 4  6 2 9  7 8 5
+
+1 6 3  7 4 5  8 9 2
+9 4 2  8 6 1  3 5 7
+5 7 8  3 9 2  6 1 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,null,null,null,null,null,null,5,null,0,4,null,8,null,null,null,null,4,null,1,null,null,3,8,null,6,1,null,null,null,5,null,null,null,0,null,2,null,null,null,null,5,null,null,8,null,null,null,null,null,null,4,null,0,null,3,null,null,null,null,1,null,null,null,null,7,null,null,6,null,null,null,null,0,null,2,7,null,null],"solution":[8,3,1,5,2,7,4,0,6,5,6,0,4,3,8,2,1,7,2,4,7,1,0,6,3,8,5,6,1,4,7,8,5,0,3,2,0,7,2,6,4,3,1,5,8,3,8,5,2,1,0,6,7,4,7,0,6,3,5,4,8,2,1,4,2,3,8,7,1,5,6,0,1,5,8,0,6,2,7,4,3]}
+PUZZLE:
+_ _ 2  _ _ _  _ _ _
+6 _ 1  5 _ 9  _ _ _
+_ 5 _  2 _ _  4 9 _
+
+7 2 _  _ _ 6  _ _ _
+1 _ 3  _ _ _  _ 6 _
+_ 9 _  _ _ _  _ _ 5
+
+_ 1 _  4 _ _  _ _ 2
+_ _ _  _ 8 _  _ 7 _
+_ _ _  1 _ 3  8 _ _
+
+SOLUTION:
+9 4 2  6 3 8  5 1 7
+6 7 1  5 4 9  3 2 8
+3 5 8  2 1 7  4 9 6
+
+7 2 5  8 9 6  1 4 3
+1 8 3  7 5 4  2 6 9
+4 9 6  3 2 1  7 8 5
+
+8 1 7  4 6 5  9 3 2
+5 3 4  9 8 2  6 7 1
+2 6 9  1 7 3  8 5 4
+
+RATING: 4.5
+DATA:
+{"puzzle":[7,null,null,1,null,null,3,null,8,null,8,null,null,null,3,null,null,null,null,null,null,null,null,null,null,0,6,null,2,null,4,null,null,null,5,null,null,4,6,null,null,null,null,null,null,null,null,8,0,1,null,null,6,null,null,null,null,null,7,null,null,null,null,null,null,2,8,null,null,null,null,null,null,null,null,null,2,6,5,null,4],"solution":[7,6,0,1,5,4,3,2,8,2,8,1,6,0,3,7,4,5,4,3,5,2,8,7,1,0,6,1,2,3,4,6,8,0,5,7,0,4,6,7,3,5,2,8,1,5,7,8,0,1,2,4,6,3,6,1,4,5,7,0,8,3,2,3,5,2,8,4,1,6,7,0,8,0,7,3,2,6,5,1,4]}
+PUZZLE:
+8 _ _  2 _ _  4 _ 9
+_ 9 _  _ _ 4  _ _ _
+_ _ _  _ _ _  _ 1 7
+
+_ 3 _  5 _ _  _ 6 _
+_ 5 7  _ _ _  _ _ _
+_ _ 9  1 2 _  _ 7 _
+
+_ _ _  _ 8 _  _ _ _
+_ _ 3  9 _ _  _ _ _
+_ _ _  _ 3 7  6 _ 5
+
+SOLUTION:
+8 7 1  2 6 5  4 3 9
+3 9 2  7 1 4  8 5 6
+5 4 6  3 9 8  2 1 7
+
+2 3 4  5 7 9  1 6 8
+1 5 7  8 4 6  3 9 2
+6 8 9  1 2 3  5 7 4
+
+7 2 5  6 8 1  9 4 3
+4 6 3  9 5 2  7 8 1
+9 1 8  4 3 7  6 2 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[0,1,null,7,4,null,null,2,null,4,null,null,null,null,8,0,null,null,6,null,null,2,null,null,null,null,3,null,null,null,1,null,null,null,7,2,null,7,null,null,null,null,null,3,4,null,5,null,null,2,null,6,null,null,5,null,4,8,null,null,null,1,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,8],"solution":[0,1,3,7,4,5,8,2,6,4,2,7,6,3,8,0,5,1,6,8,5,2,1,0,7,4,3,8,4,6,1,0,3,5,7,2,2,7,0,5,8,6,1,3,4,3,5,1,4,2,7,6,8,0,5,0,4,8,6,2,3,1,7,1,3,8,0,7,4,2,6,5,7,6,2,3,5,1,4,0,8]}
+PUZZLE:
+1 2 _  8 5 _  _ 3 _
+5 _ _  _ _ 9  1 _ _
+7 _ _  3 _ _  _ _ 4
+
+_ _ _  2 _ _  _ 8 3
+_ 8 _  _ _ _  _ 4 5
+_ 6 _  _ 3 _  7 _ _
+
+6 _ 5  9 _ _  _ 2 _
+_ _ _  _ _ _  _ 7 _
+_ _ _  _ _ _  _ _ 9
+
+SOLUTION:
+1 2 4  8 5 6  9 3 7
+5 3 8  7 4 9  1 6 2
+7 9 6  3 2 1  8 5 4
+
+9 5 7  2 1 4  6 8 3
+3 8 1  6 9 7  2 4 5
+4 6 2  5 3 8  7 9 1
+
+6 1 5  9 7 3  4 2 8
+2 4 9  1 8 5  3 7 6
+8 7 3  4 6 2  5 1 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,null,null,7,null,null,null,null,null,8,null,null,null,1,null,4,null,0,null,5,null,null,null,8,6,null,2,null,1,3,null,null,null,null,3,null,5,6,0,null,null,null,null,null,null,null,8,null,null,null,5,null,6,5,null,null,null,null,null,null,null,null,3,null,null,null,null,2,null,null,null,null,null,null,null,6,null,null,0],"solution":[4,6,1,2,8,7,0,3,5,5,7,8,0,6,3,1,2,4,2,0,3,5,4,1,7,8,6,7,2,4,1,3,5,6,0,8,3,8,5,6,0,2,4,7,1,0,1,6,8,7,4,3,5,2,6,5,2,7,1,0,8,4,3,1,3,0,4,5,8,2,6,7,8,4,7,3,2,6,5,1,0]}
+PUZZLE:
+_ _ 2  _ _ 8  _ _ _
+_ _ 9  _ _ _  2 _ 5
+_ 1 _  6 _ _  _ 9 7
+
+_ 3 _  2 4 _  _ _ _
+4 _ 6  7 1 _  _ _ _
+_ _ _  9 _ _  _ 6 _
+
+7 6 _  _ _ _  _ _ _
+_ 4 _  _ _ _  3 _ _
+_ _ _  _ _ 7  _ _ 1
+
+SOLUTION:
+5 7 2  3 9 8  1 4 6
+6 8 9  1 7 4  2 3 5
+3 1 4  6 5 2  8 9 7
+
+8 3 5  2 4 6  7 1 9
+4 9 6  7 1 3  5 8 2
+1 2 7  9 8 5  4 6 3
+
+7 6 3  8 2 1  9 5 4
+2 4 1  5 6 9  3 7 8
+9 5 8  4 3 7  6 2 1
+
+RATING: 2.75
+DATA:
+{"puzzle":[0,null,null,null,null,7,null,null,null,8,null,null,6,4,null,null,null,3,null,null,null,null,5,null,6,null,2,4,null,null,null,null,null,null,null,6,null,null,null,7,null,null,null,null,null,null,5,null,8,null,0,null,3,null,null,6,null,5,null,null,null,2,null,1,null,null,null,null,null,null,7,null,null,null,null,null,3,null,null,null,null],"solution":[0,3,6,2,8,7,5,4,1,8,2,5,6,4,1,7,0,3,7,1,4,0,5,3,6,8,2,4,7,8,3,2,5,0,1,6,6,0,3,7,1,4,2,5,8,2,5,1,8,6,0,4,3,7,3,6,0,5,7,8,1,2,4,1,8,2,4,0,6,3,7,5,5,4,7,1,3,2,8,6,0]}
+PUZZLE:
+1 _ _  _ _ 8  _ _ _
+9 _ _  7 5 _  _ _ 4
+_ _ _  _ 6 _  7 _ 3
+
+5 _ _  _ _ _  _ _ 7
+_ _ _  8 _ _  _ _ _
+_ 6 _  9 _ 1  _ 4 _
+
+_ 7 _  6 _ _  _ 3 _
+2 _ _  _ _ _  _ 8 _
+_ _ _  _ 4 _  _ _ _
+
+SOLUTION:
+1 4 7  3 9 8  6 5 2
+9 3 6  7 5 2  8 1 4
+8 2 5  1 6 4  7 9 3
+
+5 8 9  4 3 6  1 2 7
+7 1 4  8 2 5  3 6 9
+3 6 2  9 7 1  5 4 8
+
+4 7 1  6 8 9  2 3 5
+2 9 3  5 1 7  4 8 6
+6 5 8  2 4 3  9 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,null,null,2,null,null,null,8,null,null,5,null,1,4,null,2,null,null,null,null,null,null,null,6,0,null,3,null,null,null,null,null,8,null,5,null,null,7,3,null,null,null,null,null,null,2,null,null,null,null,null,6,null,null,1,null,7,8,null,1,null,null,0,null,null,2,null,null,null,null,7,null,null,null,0],"solution":[3,8,7,5,1,4,0,2,6,2,6,0,3,8,7,4,5,1,1,4,5,2,0,6,7,3,8,7,2,6,0,4,3,8,1,5,4,0,8,1,5,2,6,7,3,5,1,3,7,6,8,2,0,4,0,3,4,6,2,5,1,8,7,8,7,1,4,3,0,5,6,2,6,5,2,8,7,1,3,4,0]}
+PUZZLE:
+_ _ _  _ _ 5  _ _ _
+3 _ _  _ 9 _  _ 6 _
+2 5 _  3 _ _  _ _ _
+
+_ _ 7  1 _ 4  _ _ _
+_ _ 9  _ 6 _  _ 8 4
+_ _ _  _ _ _  3 _ _
+
+_ _ _  7 _ _  2 _ 8
+9 _ 2  _ _ 1  _ _ 3
+_ _ _  _ 8 _  _ _ 1
+
+SOLUTION:
+4 9 8  6 2 5  1 3 7
+3 7 1  4 9 8  5 6 2
+2 5 6  3 1 7  8 4 9
+
+8 3 7  1 5 4  9 2 6
+5 1 9  2 6 3  7 8 4
+6 2 4  8 7 9  3 1 5
+
+1 4 5  7 3 6  2 9 8
+9 8 2  5 4 1  6 7 3
+7 6 3  9 8 2  4 5 1
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,2,null,null,1,null,null,null,4,null,null,null,0,null,5,null,null,null,5,0,null,null,4,null,null,null,null,null,null,0,null,null,6,null,null,null,null,null,5,null,null,null,3,7,6,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,4,7,1,3,null,0,null,null,1,null,null,null,5,3,null,null],"solution":[3,8,2,6,5,1,7,4,0,4,7,6,2,0,8,5,1,3,1,5,0,3,7,4,2,6,8,7,4,5,0,3,2,6,8,1,8,2,1,5,4,6,0,3,7,6,0,3,1,8,7,4,5,2,5,3,8,4,2,0,1,7,6,2,6,4,7,1,3,8,0,5,0,1,7,8,6,5,3,2,4]}
+PUZZLE:
+_ _ 3  _ _ 2  _ _ _
+5 _ _  _ 1 _  6 _ _
+_ 6 1  _ _ 5  _ _ _
+
+_ _ _  1 _ _  7 _ _
+_ _ _  6 _ _  _ 4 8
+7 _ _  _ 9 _  _ _ _
+
+_ _ _  _ _ _  _ _ 7
+_ _ 5  8 2 4  _ 1 _
+_ 2 _  _ _ 6  4 _ _
+
+SOLUTION:
+4 9 3  7 6 2  8 5 1
+5 8 7  3 1 9  6 2 4
+2 6 1  4 8 5  3 7 9
+
+8 5 6  1 4 3  7 9 2
+9 3 2  6 5 7  1 4 8
+7 1 4  2 9 8  5 6 3
+
+6 4 9  5 3 1  2 8 7
+3 7 5  8 2 4  9 1 6
+1 2 8  9 7 6  4 3 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,null,2,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,3,4,4,null,null,null,3,null,null,null,2,null,null,null,null,null,0,null,6,null,null,null,5,null,7,null,8,null,null,null,null,null,4,null,null,2,null,6,null,null,null,8,null,null,null,null,1,null,2,8,null,0,null,null,5,null],"solution":[8,0,4,3,2,6,1,7,5,7,5,3,0,1,4,6,2,8,2,1,6,7,8,5,0,3,4,4,7,0,6,3,8,5,1,2,1,8,2,5,4,0,7,6,3,3,6,5,2,7,1,8,4,0,0,3,1,4,5,7,2,8,6,5,4,7,8,6,2,3,0,1,6,2,8,1,0,3,4,5,7]}
+PUZZLE:
+_ 1 _  _ 3 _  _ _ _
+8 _ _  _ _ _  _ _ _
+_ _ 7  _ _ _  _ 4 5
+
+5 _ _  _ 4 _  _ _ 3
+_ _ _  _ _ 1  _ 7 _
+_ _ 6  _ 8 _  9 _ _
+
+_ _ _  5 _ _  3 _ 7
+_ _ _  9 _ _  _ _ 2
+_ 3 9  _ 1 _  _ 6 _
+
+SOLUTION:
+9 1 5  4 3 7  2 8 6
+8 6 4  1 2 5  7 3 9
+3 2 7  8 9 6  1 4 5
+
+5 8 1  7 4 9  6 2 3
+2 9 3  6 5 1  8 7 4
+4 7 6  3 8 2  9 5 1
+
+1 4 2  5 6 8  3 9 7
+6 5 8  9 7 3  4 1 2
+7 3 9  2 1 4  5 6 8
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,2,null,null,0,null,6,null,null,null,0,5,4,null,null,null,2,null,null,null,6,null,null,null,null,null,null,4,null,7,null,null,null,null,5,null,5,6,null,null,8,0,1,null,8,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,7,null,0,null,null,5,null,3,null,null,null,null,null,null,null,7,6],"solution":[5,8,2,3,7,0,4,6,1,7,6,0,5,4,1,3,8,2,4,1,3,6,8,2,7,5,0,0,4,1,7,6,3,8,2,5,3,5,6,4,2,8,0,1,7,8,2,7,1,0,5,6,3,4,6,3,4,2,5,7,1,0,8,2,7,8,0,1,6,5,4,3,1,0,5,8,3,4,2,7,6]}
+PUZZLE:
+_ _ 3  _ _ 1  _ 7 _
+_ _ 1  6 5 _  _ _ 3
+_ _ _  7 _ _  _ _ _
+
+_ 5 _  8 _ _  _ _ 6
+_ 6 7  _ _ 9  1 2 _
+9 _ _  _ _ _  _ _ _
+
+_ 4 _  _ _ _  _ _ _
+_ 8 _  1 _ _  6 _ 4
+_ _ _  _ _ _  _ 8 7
+
+SOLUTION:
+6 9 3  4 8 1  5 7 2
+8 7 1  6 5 2  4 9 3
+5 2 4  7 9 3  8 6 1
+
+1 5 2  8 7 4  9 3 6
+4 6 7  5 3 9  1 2 8
+9 3 8  2 1 6  7 4 5
+
+7 4 5  3 6 8  2 1 9
+3 8 9  1 2 7  6 5 4
+2 1 6  9 4 5  3 8 7
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,3,null,null,1,7,null,5,null,null,null,null,0,4,null,7,null,null,null,1,5,null,null,null,null,8,null,8,null,null,null,null,null,null,3,7,null,6,null,null,null,null,null,null,null,null,null,null,5,3,null,null,null,null,null,null,null,null,null,null,null,null,null,0,7,null,3,6,null,null,null,null,1,4,null,null,null,null,6,null,null],"solution":[4,3,0,8,1,7,2,5,6,6,8,2,0,4,5,7,1,3,7,1,5,6,2,3,0,8,4,8,5,1,2,0,6,4,3,7,3,6,4,1,7,8,5,0,2,2,0,7,5,3,4,8,6,1,5,2,6,4,8,1,3,7,0,0,7,8,3,6,2,1,4,5,1,4,3,7,5,0,6,2,8]}
+PUZZLE:
+_ 4 _  _ 2 8  _ 6 _
+_ _ _  1 5 _  8 _ _
+_ 2 6  _ _ _  _ 9 _
+
+9 _ _  _ _ _  _ 4 8
+_ 7 _  _ _ _  _ _ _
+_ _ _  6 4 _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+1 8 _  4 7 _  _ _ _
+2 5 _  _ _ _  7 _ _
+
+SOLUTION:
+5 4 1  9 2 8  3 6 7
+7 9 3  1 5 6  8 2 4
+8 2 6  7 3 4  1 9 5
+
+9 6 2  3 1 7  5 4 8
+4 7 5  2 8 9  6 1 3
+3 1 8  6 4 5  9 7 2
+
+6 3 7  5 9 2  4 8 1
+1 8 9  4 7 3  2 5 6
+2 5 4  8 6 1  7 3 9
+
+RATING: 1
+DATA:
+{"puzzle":[null,6,null,null,4,2,null,null,null,null,3,null,null,1,null,null,null,4,null,null,5,null,null,null,null,null,null,1,0,null,5,null,null,null,null,null,null,null,null,null,null,8,1,null,6,null,null,null,null,0,null,2,null,3,null,7,null,null,null,null,8,null,1,null,null,null,null,5,null,3,null,7,null,null,null,null,8,3,null,null,5],"solution":[7,6,8,3,4,2,5,1,0,2,3,0,6,1,5,7,8,4,4,1,5,8,7,0,6,3,2,1,0,2,5,3,6,4,7,8,3,5,7,4,2,8,1,0,6,8,4,6,1,0,7,2,5,3,5,7,3,0,6,4,8,2,1,0,8,4,2,5,1,3,6,7,6,2,1,7,8,3,0,4,5]}
+PUZZLE:
+_ 7 _  _ 5 3  _ _ _
+_ 4 _  _ 2 _  _ _ 5
+_ _ 6  _ _ _  _ _ _
+
+2 1 _  6 _ _  _ _ _
+_ _ _  _ _ 9  2 _ 7
+_ _ _  _ 1 _  3 _ 4
+
+_ 8 _  _ _ _  9 _ 2
+_ _ _  _ 6 _  4 _ 8
+_ _ _  _ 9 4  _ _ 6
+
+SOLUTION:
+8 7 9  4 5 3  6 2 1
+3 4 1  7 2 6  8 9 5
+5 2 6  9 8 1  7 4 3
+
+2 1 3  6 4 7  5 8 9
+4 6 8  5 3 9  2 1 7
+9 5 7  2 1 8  3 6 4
+
+6 8 4  1 7 5  9 3 2
+1 9 5  3 6 2  4 7 8
+7 3 2  8 9 4  1 5 6
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,0,7,6,null,null,null,null,null,null,null,null,null,1,null,7,null,null,3,null,5,0,null,null,null,null,2,null,null,null,null,4,8,null,5,null,0,null,null,null,null,3,null,null,null,null,null,null,null,3,null,null,4,null,null,null,null,8,null,null,1,null,null,null,7,3,null,null,5,null,null,null,null,null,null,1,null,null,null,null],"solution":[1,4,0,7,6,8,2,5,3,5,2,6,4,3,1,0,7,8,7,3,8,5,0,2,6,4,1,2,6,3,1,7,4,8,0,5,4,0,1,8,5,6,3,2,7,8,7,5,0,2,3,1,6,4,3,5,2,6,8,7,4,1,0,6,1,7,3,4,0,5,8,2,0,8,4,2,1,5,7,3,6]}
+PUZZLE:
+_ _ 1  8 7 _  _ _ _
+_ _ _  _ _ 2  _ 8 _
+_ 4 _  6 1 _  _ _ _
+
+3 _ _  _ _ 5  9 _ 6
+_ 1 _  _ _ _  4 _ _
+_ _ _  _ _ 4  _ _ 5
+
+_ _ _  _ 9 _  _ 2 _
+_ _ 8  4 _ _  6 _ _
+_ _ _  _ 2 _  _ _ _
+
+SOLUTION:
+2 5 1  8 7 9  3 6 4
+6 3 7  5 4 2  1 8 9
+8 4 9  6 1 3  7 5 2
+
+3 7 4  2 8 5  9 1 6
+5 1 2  9 6 7  4 3 8
+9 8 6  1 3 4  2 7 5
+
+4 6 3  7 9 8  5 2 1
+7 2 8  4 5 1  6 9 3
+1 9 5  3 2 6  8 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[1,null,8,null,null,null,null,null,2,null,null,null,null,2,0,null,6,5,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,1,null,3,null,3,null,0,null,null,null,2,null,null,1,null,null,null,6,null,null,null,null,null,null,null,null,null,null,7,6,null,null,7,null,5,null,0,null,null,null,0,null,3,null,null,null,5,null],"solution":[1,5,8,7,6,4,3,0,2,4,7,3,1,2,0,8,6,5,0,2,6,5,8,3,7,1,4,5,6,0,4,7,2,1,8,3,8,3,4,0,1,5,6,2,7,7,1,2,8,3,6,5,4,0,3,8,5,2,0,1,4,7,6,2,4,7,6,5,8,0,3,1,6,0,1,3,4,7,2,5,8]}
+PUZZLE:
+2 _ 9  _ _ _  _ _ 3
+_ _ _  _ 3 1  _ 7 6
+_ _ _  _ _ _  _ _ _
+
+_ _ _  5 _ _  2 _ 4
+_ 4 _  1 _ _  _ 3 _
+_ 2 _  _ _ 7  _ _ _
+
+_ _ _  _ _ _  _ 8 7
+_ _ 8  _ 6 _  1 _ _
+_ 1 _  4 _ _  _ 6 _
+
+SOLUTION:
+2 6 9  8 7 5  4 1 3
+5 8 4  2 3 1  9 7 6
+1 3 7  6 9 4  8 2 5
+
+6 7 1  5 8 3  2 9 4
+9 4 5  1 2 6  7 3 8
+8 2 3  9 4 7  6 5 1
+
+4 9 6  3 1 2  5 8 7
+3 5 8  7 6 9  1 4 2
+7 1 2  4 5 8  3 6 9
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,null,3,0,null,null,null,8,null,null,null,null,null,null,5,null,null,null,null,7,null,null,null,3,7,null,null,null,null,6,null,4,null,null,2,6,4,8,null,null,null,null,null,3,null,null,null,null,2,1,null,null,6,null,null,null,null,7,8,null,null,null,1,null,2,null,null,null,null,null,null,null,null,null,null,null,5,2],"solution":[4,5,7,1,6,3,0,2,8,6,8,3,0,4,2,1,7,5,1,0,2,8,7,5,4,6,3,7,1,5,2,3,6,8,4,0,0,2,6,4,8,1,5,3,7,8,3,4,5,0,7,2,1,6,2,6,0,3,5,4,7,8,1,5,7,1,6,2,8,3,0,4,3,4,8,7,1,0,6,5,2]}
+PUZZLE:
+5 _ _  _ _ 4  1 _ _
+_ 9 _  _ _ _  _ _ 6
+_ _ _  _ 8 _  _ _ 4
+
+8 _ _  _ _ 7  _ 5 _
+_ 3 7  5 9 _  _ _ _
+_ 4 _  _ _ _  3 2 _
+
+_ 7 _  _ _ _  8 9 _
+_ _ 2  _ 3 _  _ _ _
+_ _ _  _ _ _  _ 6 3
+
+SOLUTION:
+5 6 8  2 7 4  1 3 9
+7 9 4  1 5 3  2 8 6
+2 1 3  9 8 6  5 7 4
+
+8 2 6  3 4 7  9 5 1
+1 3 7  5 9 2  6 4 8
+9 4 5  6 1 8  3 2 7
+
+3 7 1  4 6 5  8 9 2
+6 8 2  7 3 9  4 1 5
+4 5 9  8 2 1  7 6 3
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,3,null,null,null,4,null,7,null,4,null,null,7,null,null,3,6,null,null,null,null,null,0,null,null,null,null,null,null,4,1,null,null,null,2,null,null,null,null,null,3,null,null,null,null,5,null,null,0,6,null,8,null,null,null,null,null,null,null,8,null,null,null,null,7,0,null,null,null,1,null,null,null,2,8,null,null,null,null,null,null],"solution":[8,3,1,6,2,4,0,7,5,4,0,2,7,5,1,3,6,8,7,5,6,8,0,3,2,1,4,0,6,4,1,8,7,5,2,3,2,8,7,4,3,5,6,0,1,5,1,3,0,6,2,8,4,7,6,4,5,2,1,8,7,3,0,3,7,0,5,4,6,1,8,2,1,2,8,3,7,0,4,5,6]}
+PUZZLE:
+_ 4 _  _ _ 5  _ 8 _
+5 _ _  8 _ _  4 7 _
+_ _ _  _ 1 _  _ _ _
+
+_ _ 5  2 _ _  _ 3 _
+_ _ _  _ 4 _  _ _ _
+6 _ _  1 7 _  9 _ _
+
+_ _ _  _ _ 9  _ _ _
+_ 8 1  _ _ _  2 _ _
+_ 3 9  _ _ _  _ _ _
+
+SOLUTION:
+9 4 2  7 3 5  1 8 6
+5 1 3  8 6 2  4 7 9
+8 6 7  9 1 4  3 2 5
+
+1 7 5  2 9 8  6 3 4
+3 9 8  5 4 6  7 1 2
+6 2 4  1 7 3  9 5 8
+
+7 5 6  3 2 9  8 4 1
+4 8 1  6 5 7  2 9 3
+2 3 9  4 8 1  5 6 7
+
+RATING: 2.5
+DATA:
+{"puzzle":[7,4,null,null,1,null,null,null,null,null,null,null,null,null,8,0,3,null,0,null,null,null,null,null,null,null,null,null,null,8,7,null,4,null,null,1,6,null,null,null,3,2,null,null,null,null,3,null,null,null,null,null,null,null,null,1,null,null,null,0,null,6,null,null,null,null,null,7,null,5,null,3,null,null,null,null,5,1,null,null,2],"solution":[7,4,6,0,1,3,2,8,5,1,5,2,6,4,8,0,3,7,0,8,3,5,2,7,1,4,6,5,0,8,7,6,4,3,2,1,6,7,1,8,3,2,4,5,0,2,3,4,1,0,5,6,7,8,3,1,5,2,8,0,7,6,4,8,2,0,4,7,6,5,1,3,4,6,7,3,5,1,8,0,2]}
+PUZZLE:
+8 5 _  _ 2 _  _ _ _
+_ _ _  _ _ 9  1 4 _
+1 _ _  _ _ _  _ _ _
+
+_ _ 9  8 _ 5  _ _ 2
+7 _ _  _ 4 3  _ _ _
+_ 4 _  _ _ _  _ _ _
+
+_ 2 _  _ _ 1  _ 7 _
+_ _ _  _ 8 _  6 _ 4
+_ _ _  _ 6 2  _ _ 3
+
+SOLUTION:
+8 5 7  1 2 4  3 9 6
+2 6 3  7 5 9  1 4 8
+1 9 4  6 3 8  2 5 7
+
+6 1 9  8 7 5  4 3 2
+7 8 2  9 4 3  5 6 1
+3 4 5  2 1 6  7 8 9
+
+4 2 6  3 9 1  8 7 5
+9 3 1  5 8 7  6 2 4
+5 7 8  4 6 2  9 1 3
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,2,null,null,1,null,null,0,null,8,null,3,null,null,null,7,null,5,null,null,null,null,null,1,2,null,null,null,null,null,null,8,7,null,null,null,7,null,4,null,null,null,null,null,null,null,8,2,1,null,null,5,4,4,null,1,null,null,null,null,null,null,3,null,null,null,7,null,4,null,null,null,0,null,null,6,null,null,null,null],"solution":[7,6,2,5,8,1,3,4,0,1,8,0,3,4,2,5,7,6,5,4,3,7,0,6,1,2,8,2,1,4,6,5,8,7,0,3,6,7,5,4,3,0,8,1,2,0,3,8,2,1,7,6,5,4,4,5,1,8,2,3,0,6,7,3,2,6,0,7,5,4,8,1,8,0,7,1,6,4,2,3,5]}
+PUZZLE:
+_ _ 3  _ _ 2  _ _ 1
+_ 9 _  4 _ _  _ 8 _
+6 _ _  _ _ _  2 3 _
+
+_ _ _  _ _ 9  8 _ _
+_ 8 _  5 _ _  _ _ _
+_ _ 9  3 2 _  _ 6 5
+
+5 _ 2  _ _ _  _ _ _
+4 _ _  _ 8 _  5 _ _
+_ 1 _  _ 7 _  _ _ _
+
+SOLUTION:
+8 7 3  6 9 2  4 5 1
+2 9 1  4 5 3  6 8 7
+6 5 4  8 1 7  2 3 9
+
+3 2 5  7 6 9  8 1 4
+7 8 6  5 4 1  9 2 3
+1 4 9  3 2 8  7 6 5
+
+5 6 2  9 3 4  1 7 8
+4 3 7  1 8 6  5 9 2
+9 1 8  2 7 5  3 4 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,null,5,null,null,null,null,null,4,null,1,2,3,null,null,null,null,null,null,0,null,8,6,null,null,null,null,0,null,null,4,2,null,null,null,8,null,4,null,null,null,6,null,null,null,null,null,null,null,8,null,null,5,null,null,null,null,null,null,null,null,0,null,null,null,7,null,null,3,null,6,null,3,null,4,null,null,5],"solution":[0,2,3,6,8,5,1,7,4,6,8,4,7,1,2,3,5,0,7,1,5,4,0,3,8,6,2,5,3,6,0,7,8,4,2,1,2,7,8,5,4,1,0,3,6,1,4,0,2,3,6,5,8,7,3,5,7,1,6,0,2,4,8,4,0,2,8,5,7,6,1,3,8,6,1,3,2,4,7,0,5]}
+PUZZLE:
+_ _ 4  _ _ 6  _ _ _
+_ _ 5  _ 2 3  4 _ _
+_ _ _  _ 1 _  9 7 _
+
+_ _ _  1 _ _  5 3 _
+_ _ 9  _ 5 _  _ _ 7
+_ _ _  _ _ _  _ 9 _
+
+_ 6 _  _ _ _  _ _ _
+_ 1 _  _ _ 8  _ _ 4
+_ 7 _  4 _ 5  _ _ 6
+
+SOLUTION:
+1 3 4  7 9 6  2 8 5
+7 9 5  8 2 3  4 6 1
+8 2 6  5 1 4  9 7 3
+
+6 4 7  1 8 9  5 3 2
+3 8 9  6 5 2  1 4 7
+2 5 1  3 4 7  6 9 8
+
+4 6 8  2 7 1  3 5 9
+5 1 3  9 6 8  7 2 4
+9 7 2  4 3 5  8 1 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,6,null,7,4,5,null,1,null,null,null,null,null,3,null,4,null,5,null,4,null,null,null,null,8,null,6,null,2,null,1,null,null,null,null,null,null,null,null,null,null,null,6,3,8,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,8,6,null,null,0,1,2,null,3,null,null,null,null,null],"solution":[3,0,6,8,7,4,5,2,1,2,8,1,5,6,3,0,4,7,5,7,4,2,0,1,3,8,6,6,3,2,0,1,8,7,5,4,0,1,7,4,5,2,8,6,3,8,4,5,6,3,7,1,0,2,7,6,8,1,2,0,4,3,5,4,5,3,7,8,6,2,1,0,1,2,0,3,4,5,6,7,8]}
+PUZZLE:
+_ _ 7  _ 8 5  6 _ 2
+_ _ _  _ _ 4  _ 5 _
+6 _ 5  _ _ _  _ 9 _
+
+7 _ 3  _ 2 _  _ _ _
+_ _ _  _ _ _  _ 7 4
+9 _ _  _ _ _  _ _ _
+
+_ _ _  _ _ 1  _ _ _
+_ _ _  _ 9 7  _ _ 1
+2 3 _  4 _ _  _ _ _
+
+SOLUTION:
+4 1 7  9 8 5  6 3 2
+3 9 2  6 7 4  1 5 8
+6 8 5  3 1 2  4 9 7
+
+7 4 3  1 2 9  8 6 5
+1 2 8  5 6 3  9 7 4
+9 5 6  7 4 8  2 1 3
+
+8 7 9  2 3 1  5 4 6
+5 6 4  8 9 7  3 2 1
+2 3 1  4 5 6  7 8 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,5,null,null,null,2,null,0,null,null,null,null,null,7,null,null,1,null,2,4,6,null,null,null,null,6,null,1,0,null,null,null,null,null,2,null,5,7,null,null,3,null,null,null,null,null,null,null,null,8,0,null,4,6,null,null,null,null,null,null,1,null,4,null,null,null,2,null,null,null,7,null,null,null,null,4,0],"solution":[4,6,8,7,3,5,1,0,2,2,5,0,1,6,8,4,3,7,3,7,1,0,2,4,6,8,5,5,8,6,3,1,0,2,7,4,1,4,2,8,5,7,0,6,3,7,0,3,2,4,6,5,1,8,0,3,4,6,7,2,8,5,1,8,1,5,4,0,3,7,2,6,6,2,7,5,8,1,3,4,0]}
+PUZZLE:
+_ _ _  _ _ 6  _ _ _
+3 _ 1  _ _ _  _ _ 8
+_ _ 2  _ 3 5  7 _ _
+
+_ _ 7  _ 2 1  _ _ _
+_ _ 3  _ 6 8  _ _ 4
+_ _ _  _ _ _  _ _ 9
+
+1 _ 5  7 _ _  _ _ _
+_ 2 _  5 _ _  _ 3 _
+_ _ 8  _ _ _  _ 5 1
+
+SOLUTION:
+5 7 9  8 4 6  2 1 3
+3 6 1  2 7 9  5 4 8
+4 8 2  1 3 5  7 9 6
+
+6 9 7  4 2 1  3 8 5
+2 5 3  9 6 8  1 7 4
+8 1 4  3 5 7  6 2 9
+
+1 4 5  7 8 3  9 6 2
+9 2 6  5 1 4  8 3 7
+7 3 8  6 9 2  4 5 1
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,2,null,null,7,null,8,null,null,null,4,null,null,null,1,null,null,1,null,7,null,8,4,null,null,null,null,null,1,0,null,null,null,null,null,6,null,null,null,2,null,null,0,null,null,null,null,3,7,null,null,null,null,2,1,null,null,null,null,0,null,null,null,3,8,null,null,null,null,null,null,null,null,null,null,null,null,5,4],"solution":[3,4,5,2,1,0,7,6,8,2,8,7,4,6,3,0,1,5,6,1,0,7,5,8,4,2,3,5,3,2,1,0,4,6,8,7,7,6,4,5,8,2,1,3,0,1,0,8,6,3,7,5,4,2,4,2,1,3,7,5,8,0,6,0,5,3,8,4,6,2,7,1,8,7,6,0,2,1,3,5,4]}
+PUZZLE:
+_ _ _  3 _ _  8 _ 9
+_ _ _  5 _ _  _ 2 _
+_ 2 _  8 _ 9  5 _ _
+
+_ _ _  2 1 _  _ _ _
+_ 7 _  _ _ 3  _ _ 1
+_ _ _  _ 4 8  _ _ _
+
+_ 3 2  _ _ _  _ 1 _
+_ _ 4  9 _ _  _ _ _
+_ _ _  _ _ _  _ 6 5
+
+SOLUTION:
+4 5 6  3 2 1  8 7 9
+3 9 8  5 7 4  1 2 6
+7 2 1  8 6 9  5 3 4
+
+6 4 3  2 1 5  7 9 8
+8 7 5  6 9 3  2 4 1
+2 1 9  7 4 8  6 5 3
+
+5 3 2  4 8 6  9 1 7
+1 6 4  9 5 7  3 8 2
+9 8 7  1 3 2  4 6 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[2,null,1,null,null,null,4,null,null,8,0,null,null,null,null,null,3,null,5,null,null,null,null,null,2,null,1,7,null,null,5,null,null,6,null,null,null,null,null,7,null,null,null,null,null,null,null,null,3,0,2,null,8,7,1,null,null,2,3,null,8,7,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,1,null,2],"solution":[2,7,1,6,5,3,4,0,8,8,0,6,4,2,1,7,3,5,5,4,3,8,7,0,2,6,1,7,3,2,5,4,8,6,1,0,0,8,5,7,1,6,3,2,4,6,1,4,3,0,2,5,8,7,1,5,0,2,3,4,8,7,6,4,2,8,1,6,7,0,5,3,3,6,7,0,8,5,1,4,2]}
+PUZZLE:
+3 _ 2  _ _ _  5 _ _
+9 1 _  _ _ _  _ 4 _
+6 _ _  _ _ _  3 _ 2
+
+8 _ _  6 _ _  7 _ _
+_ _ _  8 _ _  _ _ _
+_ _ _  4 1 3  _ 9 8
+
+2 _ _  3 4 _  9 8 _
+_ _ _  _ _ _  _ _ _
+_ 7 _  _ _ _  2 _ 3
+
+SOLUTION:
+3 8 2  7 6 4  5 1 9
+9 1 7  5 3 2  8 4 6
+6 5 4  9 8 1  3 7 2
+
+8 4 3  6 5 9  7 2 1
+1 9 6  8 2 7  4 3 5
+7 2 5  4 1 3  6 9 8
+
+2 6 1  3 4 5  9 8 7
+5 3 9  2 7 8  1 6 4
+4 7 8  1 9 6  2 5 3
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,7,null,6,null,null,3,8,4,3,null,8,5,null,null,null,null,null,2,null,null,null,1,null,null,null,null,null,3,null,null,null,8,null,0,null,null,null,null,8,null,3,6,null,1,null,null,null,null,null,null,null,7,null,null,1,null,null,0,2,7,null,null,null,null,2,null,null,0,null,null,null,6,null,null,null,null,null,null,null],"solution":[5,1,7,0,6,2,4,3,8,4,3,0,8,5,7,6,1,2,8,2,6,4,3,1,7,0,5,6,7,3,1,2,5,8,4,0,2,0,5,7,8,4,3,6,1,1,4,8,6,0,3,5,2,7,3,8,1,5,4,0,2,7,6,7,5,4,2,1,6,0,8,3,0,6,2,3,7,8,1,5,4]}
+PUZZLE:
+_ _ 8  _ 7 _  _ 4 9
+5 4 _  9 6 _  _ _ _
+_ 3 _  _ _ 2  _ _ _
+
+_ _ 4  _ _ _  9 _ 1
+_ _ _  _ 9 _  4 7 _
+2 _ _  _ _ _  _ _ 8
+
+_ _ 2  _ _ 1  3 8 _
+_ _ _  3 _ _  1 _ _
+_ 7 _  _ _ _  _ _ _
+
+SOLUTION:
+6 2 8  1 7 3  5 4 9
+5 4 1  9 6 8  7 2 3
+9 3 7  5 4 2  8 1 6
+
+7 8 4  2 3 6  9 5 1
+3 1 6  8 9 5  4 7 2
+2 5 9  7 1 4  6 3 8
+
+4 9 2  6 5 1  3 8 7
+8 6 5  3 2 7  1 9 4
+1 7 3  4 8 9  2 6 5
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,1,null,null,4,null,null,3,null,null,4,3,null,null,null,null,null,5,null,6,null,7,null,1,null,2,null,5,null,4,null,null,null,2,0,null,null,null,null,1,null,0,null,null,null,null,null,null,8,null,null,null,6,null,null,null,6,null,null,null,null,null,null,null,null,8,6,0,null,5,null,null,null,7,null,null,null,8,null,null,null],"solution":[7,1,2,0,4,5,8,3,6,0,4,3,2,8,6,1,7,5,8,6,5,7,3,1,0,2,4,5,8,4,3,6,7,2,0,1,6,3,7,1,2,0,4,5,8,2,0,1,8,5,4,7,6,3,1,5,6,4,7,2,3,8,0,4,2,8,6,0,3,5,1,7,3,7,0,5,1,8,6,4,2]}
+PUZZLE:
+_ 2 _  _ 5 _  _ 4 _
+_ 5 4  _ _ _  _ _ 6
+_ 7 _  8 _ 2  _ 3 _
+
+6 _ 5  _ _ _  3 1 _
+_ _ _  2 _ 1  _ _ _
+_ _ _  9 _ _  _ 7 _
+
+_ _ 7  _ _ _  _ _ _
+_ _ 9  7 1 _  6 _ _
+_ 8 _  _ _ 9  _ _ _
+
+SOLUTION:
+8 2 3  1 5 6  9 4 7
+1 5 4  3 9 7  2 8 6
+9 7 6  8 4 2  1 3 5
+
+6 9 5  4 7 8  3 1 2
+7 4 8  2 3 1  5 6 9
+3 1 2  9 6 5  8 7 4
+
+2 6 7  5 8 3  4 9 1
+5 3 9  7 1 4  6 2 8
+4 8 1  6 2 9  7 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[5,3,null,null,null,2,1,null,null,null,null,null,null,null,7,null,null,null,null,2,4,null,null,8,null,null,3,0,null,null,6,null,null,null,null,2,null,null,null,3,null,null,0,4,null,null,null,6,null,2,null,null,null,null,null,8,null,null,0,null,5,null,1,null,null,null,null,5,null,null,null,null,1,null,null,null,null,null,8,7,null],"solution":[5,3,0,4,6,2,1,8,7,8,6,1,0,3,7,4,2,5,7,2,4,5,1,8,6,0,3,0,7,5,6,8,4,3,1,2,2,1,8,3,7,5,0,4,6,3,4,6,1,2,0,7,5,8,4,8,2,7,0,3,5,6,1,6,0,7,8,5,1,2,3,4,1,5,3,2,4,6,8,7,0]}
+PUZZLE:
+6 4 _  _ _ 3  2 _ _
+_ _ _  _ _ 8  _ _ _
+_ 3 5  _ _ 9  _ _ 4
+
+1 _ _  7 _ _  _ _ 3
+_ _ _  4 _ _  1 5 _
+_ _ 7  _ 3 _  _ _ _
+
+_ 9 _  _ 1 _  6 _ 2
+_ _ _  _ 6 _  _ _ _
+2 _ _  _ _ _  9 8 _
+
+SOLUTION:
+6 4 1  5 7 3  2 9 8
+9 7 2  1 4 8  5 3 6
+8 3 5  6 2 9  7 1 4
+
+1 8 6  7 9 5  4 2 3
+3 2 9  4 8 6  1 5 7
+4 5 7  2 3 1  8 6 9
+
+5 9 3  8 1 4  6 7 2
+7 1 8  9 6 2  3 4 5
+2 6 4  3 5 7  9 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,0,3,2,null,5,null,0,null,4,null,8,6,null,null,null,null,6,null,null,1,null,null,3,null,null,null,null,null,null,null,5,null,8,null,0,2,5,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,3,null,7,null,2,null,null,5,null,null,2,null,1,null,null,1,null,7,null,null,null,6,null],"solution":[1,8,7,6,0,3,2,4,5,5,0,3,4,2,8,6,7,1,4,2,6,5,7,1,0,8,3,2,3,1,0,8,7,4,5,6,8,6,0,2,5,4,1,3,7,7,5,4,3,1,6,8,2,0,6,4,8,1,3,5,7,0,2,0,7,5,8,6,2,3,1,4,3,1,2,7,4,0,5,6,8]}
+PUZZLE:
+_ _ _  _ 1 4  3 _ 6
+_ 1 _  5 _ 9  7 _ _
+_ _ 7  _ _ 2  _ _ 4
+
+_ _ _  _ _ _  _ 6 _
+9 _ 1  3 6 _  _ _ _
+_ _ _  _ _ _  9 _ _
+
+_ _ _  _ 4 _  8 _ 3
+_ _ 6  _ _ 3  _ 2 _
+_ 2 _  8 _ _  _ 7 _
+
+SOLUTION:
+2 9 8  7 1 4  3 5 6
+6 1 4  5 3 9  7 8 2
+5 3 7  6 8 2  1 9 4
+
+3 4 2  1 9 8  5 6 7
+9 7 1  3 6 5  2 4 8
+8 6 5  4 2 7  9 3 1
+
+7 5 9  2 4 6  8 1 3
+1 8 6  9 7 3  4 2 5
+4 2 3  8 5 1  6 7 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,null,null,1,2,null,null,null,null,4,8,5,null,null,7,3,7,null,null,null,null,0,null,null,null,null,null,null,null,null,8,null,5,2,null,1,null,null,null,null,null,null,null,null,null,0,3,null,null,null,null,4,6,0,null,null,2,null,null,null,5,null,null,null,5,null,7,0,2,null,null,null,null,null,null,3,null,null,null],"solution":[8,3,5,7,4,1,2,6,0,0,2,4,8,5,6,1,7,3,7,6,1,2,3,0,5,4,8,4,7,6,0,1,8,3,5,2,3,1,2,4,6,5,8,0,7,5,8,0,3,7,2,6,1,4,6,0,8,1,2,4,7,3,5,1,4,3,5,8,7,0,2,6,2,5,7,6,0,3,4,8,1]}
+PUZZLE:
+_ 4 _  _ _ 2  3 _ _
+_ _ 5  9 6 _  _ 8 4
+8 _ _  _ _ 1  _ _ _
+
+_ _ _  _ _ 9  _ 6 3
+_ 2 _  _ _ _  _ _ _
+_ _ 1  4 _ _  _ _ 5
+
+7 1 _  _ 3 _  _ _ 6
+_ _ _  6 _ 8  1 3 _
+_ _ _  _ _ 4  _ _ _
+
+SOLUTION:
+9 4 6  8 5 2  3 7 1
+1 3 5  9 6 7  2 8 4
+8 7 2  3 4 1  6 5 9
+
+5 8 7  1 2 9  4 6 3
+4 2 3  5 7 6  9 1 8
+6 9 1  4 8 3  7 2 5
+
+7 1 9  2 3 5  8 4 6
+2 5 4  6 9 8  1 3 7
+3 6 8  7 1 4  5 9 2
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,5,null,null,null,0,null,3,null,7,null,null,null,2,null,6,null,null,8,null,null,null,null,7,null,null,null,null,1,null,8,null,null,null,null,7,6,null,null,null,5,null,null,null,null,5,7,null,null,0,6,3,null,null,null,null,null,7,null,4,null,null,0,null,null,null,null,null,2,null,null,null,null,8,3,null,null,null],"solution":[4,7,8,3,5,2,6,1,0,0,3,1,7,4,6,5,2,8,6,2,5,8,0,1,3,4,7,5,6,4,2,1,0,8,7,3,2,0,7,6,3,8,4,5,1,1,8,3,5,7,4,2,0,6,3,1,6,0,2,5,7,8,4,8,5,0,4,6,7,1,3,2,7,4,2,1,8,3,0,6,5]}
+PUZZLE:
+5 _ _  _ 6 _  _ _ 1
+_ 4 _  8 _ _  _ 3 _
+7 _ _  9 _ _  _ _ 8
+
+_ _ _  _ 2 _  9 _ _
+_ _ 8  7 _ _  _ 6 _
+_ _ _  6 8 _  _ 1 7
+
+4 _ _  _ _ _  8 _ 5
+_ _ 1  _ _ _  _ _ 3
+_ _ _  _ 9 4  _ _ _
+
+SOLUTION:
+5 8 9  4 6 3  7 2 1
+1 4 2  8 5 7  6 3 9
+7 3 6  9 1 2  4 5 8
+
+6 7 5  3 2 1  9 8 4
+3 1 8  7 4 9  5 6 2
+2 9 4  6 8 5  3 1 7
+
+4 2 7  1 3 6  8 9 5
+9 6 1  5 7 8  2 4 3
+8 5 3  2 9 4  1 7 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,null,null,null,0,1,3,null,1,0,7,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,2,null,4,null,null,null,null,null,null,1,null,null,8,5,4,null,null,0,4,null,null,6,null,3,null,3,null,null,null,null,2,null,0,null,null,null,null,0,null,null,null,null,5,null,null,8,null,null,null,2,null,null],"solution":[4,8,7,6,2,5,0,1,3,5,1,0,7,8,3,6,2,4,2,6,3,4,1,0,7,5,8,8,5,2,3,4,7,1,6,0,6,3,1,2,0,8,5,4,7,7,0,4,1,5,6,8,3,2,3,7,5,8,6,2,4,0,1,1,2,6,0,7,4,3,8,5,0,4,8,5,3,1,2,7,6]}
+PUZZLE:
+_ 9 _  _ _ _  1 2 4
+_ 2 1  8 _ _  _ _ _
+3 _ _  _ _ _  _ _ _
+
+_ _ 3  _ 5 _  _ _ _
+_ _ 2  _ _ 9  6 5 _
+_ 1 5  _ _ 7  _ 4 _
+
+4 _ _  _ _ 3  _ 1 _
+_ _ _  1 _ _  _ _ 6
+_ _ 9  _ _ _  3 _ _
+
+SOLUTION:
+5 9 8  7 3 6  1 2 4
+6 2 1  8 9 4  7 3 5
+3 7 4  5 2 1  8 6 9
+
+9 6 3  4 5 8  2 7 1
+7 4 2  3 1 9  6 5 8
+8 1 5  2 6 7  9 4 3
+
+4 8 6  9 7 3  5 1 2
+2 3 7  1 8 5  4 9 6
+1 5 9  6 4 2  3 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,3,null,0,null,null,null,2,null,5,null,1,8,4,null,5,null,null,null,null,null,null,6,null,2,null,null,8,0,null,null,null,5,null,6,null,2,null,null,null,null,8,6,null,null,0,5,null,null,null,null,null,null,0,null,null,4,null,null,null,3,null,null,null,null,7],"solution":[7,5,1,0,3,6,4,2,8,6,2,4,1,8,5,7,3,0,0,8,3,4,2,7,5,6,1,8,4,2,5,0,3,1,7,6,3,6,7,2,1,4,8,0,5,1,0,5,7,6,8,2,4,3,4,3,8,6,7,1,0,5,2,2,7,6,8,5,0,3,1,4,5,1,0,3,4,2,6,8,7]}
+PUZZLE:
+_ 6 _  _ _ _  _ _ _
+_ _ _  _ _ _  _ 4 _
+1 _ _  _ 3 _  6 _ 2
+
+9 5 _  6 _ _  _ _ _
+_ 7 _  3 _ _  9 1 _
+_ _ 6  _ 7 _  3 _ _
+
+_ _ 9  7 _ _  1 6 _
+_ _ _  _ _ 1  _ _ 5
+_ _ _  4 _ _  _ _ 8
+
+SOLUTION:
+8 6 2  1 4 7  5 3 9
+7 3 5  2 9 6  8 4 1
+1 9 4  5 3 8  6 7 2
+
+9 5 3  6 1 4  2 8 7
+4 7 8  3 2 5  9 1 6
+2 1 6  8 7 9  3 5 4
+
+5 4 9  7 8 2  1 6 3
+3 8 7  9 6 1  4 2 5
+6 2 1  4 5 3  7 9 8
+
+RATING: 2
+DATA:
+{"puzzle":[null,0,null,2,null,null,5,null,null,null,7,6,null,null,null,null,null,null,null,null,1,null,6,null,null,8,7,null,null,8,null,null,null,null,null,null,2,null,null,null,null,6,null,0,null,null,null,null,null,null,5,3,null,null,null,6,0,null,7,null,null,4,null,null,null,null,null,5,null,null,null,3,null,null,null,3,null,8,null,null,6],"solution":[4,0,3,2,8,7,5,6,1,8,7,6,5,1,4,2,3,0,5,2,1,0,6,3,4,8,7,0,3,8,7,2,1,6,5,4,2,1,5,4,3,6,7,0,8,6,4,7,8,0,5,3,1,2,3,6,0,1,7,2,8,4,5,7,8,4,6,5,0,1,2,3,1,5,2,3,4,8,0,7,6]}
+PUZZLE:
+_ 1 _  3 _ _  6 _ _
+_ 8 7  _ _ _  _ _ _
+_ _ 2  _ 7 _  _ 9 8
+
+_ _ 9  _ _ _  _ _ _
+3 _ _  _ _ 7  _ 1 _
+_ _ _  _ _ 6  4 _ _
+
+_ 7 1  _ 8 _  _ 5 _
+_ _ _  _ 6 _  _ _ 4
+_ _ _  4 _ 9  _ _ 7
+
+SOLUTION:
+5 1 4  3 9 8  6 7 2
+9 8 7  6 2 5  3 4 1
+6 3 2  1 7 4  5 9 8
+
+1 4 9  8 3 2  7 6 5
+3 2 6  5 4 7  8 1 9
+7 5 8  9 1 6  4 2 3
+
+4 7 1  2 8 3  9 5 6
+8 9 5  7 6 1  2 3 4
+2 6 3  4 5 9  1 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[0,null,null,6,4,null,null,null,null,8,null,null,7,null,null,3,null,null,5,6,null,0,3,null,7,null,null,null,null,6,null,null,null,null,null,3,7,null,null,1,null,null,null,6,null,null,null,null,null,null,null,null,null,2,6,null,null,null,null,null,null,4,null,null,7,0,4,null,null,null,null,null,2,null,8,null,0,null,null,5,null],"solution":[0,3,7,6,4,8,1,2,5,8,1,4,7,2,5,3,0,6,5,6,2,0,3,1,7,8,4,4,8,6,2,7,0,5,1,3,7,2,5,1,8,3,4,6,0,3,0,1,5,6,4,8,7,2,6,5,3,8,1,2,0,4,7,1,7,0,4,5,6,2,3,8,2,4,8,3,0,7,6,5,1]}
+PUZZLE:
+1 _ _  7 5 _  _ _ _
+9 _ _  8 _ _  4 _ _
+6 7 _  1 4 _  8 _ _
+
+_ _ 7  _ _ _  _ _ 4
+8 _ _  2 _ _  _ 7 _
+_ _ _  _ _ _  _ _ 3
+
+7 _ _  _ _ _  _ 5 _
+_ 8 1  5 _ _  _ _ _
+3 _ 9  _ 1 _  _ 6 _
+
+SOLUTION:
+1 4 8  7 5 9  2 3 6
+9 2 5  8 3 6  4 1 7
+6 7 3  1 4 2  8 9 5
+
+5 9 7  3 8 1  6 2 4
+8 3 6  2 9 4  5 7 1
+4 1 2  6 7 5  9 8 3
+
+7 6 4  9 2 3  1 5 8
+2 8 1  5 6 7  3 4 9
+3 5 9  4 1 8  7 6 2
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,5,null,6,null,null,null,null,null,3,null,null,1,null,2,7,null,null,5,null,null,8,2,null,null,null,4,null,null,null,null,null,1,null,null,8,7,3,null,null,null,null,null,5,null,null,null,null,4,null,null,8,null,null,null,null,6,null,6,7,3,null,null,null,null,null,5,null,null,null,1,null,null,7,null,null],"solution":[8,0,1,4,7,2,5,3,6,5,6,4,8,0,3,2,7,1,3,2,7,6,1,5,4,0,8,2,8,5,3,4,0,6,1,7,4,1,6,2,8,7,3,5,0,7,3,0,5,6,1,8,2,4,1,5,8,7,3,4,0,6,2,6,7,3,0,2,8,1,4,5,0,4,2,1,5,6,7,8,3]}
+PUZZLE:
+_ _ _  _ _ _  6 _ 7
+_ _ _  _ _ 4  _ _ 2
+_ 3 8  _ _ 6  _ _ 9
+
+3 _ _  _ 5 _  _ _ _
+_ 2 _  _ 9 8  4 _ _
+_ _ _  6 _ _  _ _ 5
+
+_ _ 9  _ _ _  _ 7 _
+7 8 4  _ _ _  _ _ 6
+_ _ _  2 _ _  8 _ _
+
+SOLUTION:
+9 1 2  5 8 3  6 4 7
+6 7 5  9 1 4  3 8 2
+4 3 8  7 2 6  5 1 9
+
+3 9 6  4 5 1  7 2 8
+5 2 7  3 9 8  4 6 1
+8 4 1  6 7 2  9 3 5
+
+2 6 9  8 4 5  1 7 3
+7 8 4  1 3 9  2 5 6
+1 5 3  2 6 7  8 9 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,2,null,null,null,null,6,null,null,5,null,4,null,8,null,null,null,null,null,8,0,1,null,null,null,null,1,6,null,5,0,null,null,7,5,null,8,null,null,3,null,null,null,null,null,null,null,null,null,1,null,2,1,null,null,null,7,null,null,null,null,null,null,null,0,null,5,null,null,null,null,null,null,null,null,8,null,null],"solution":[1,8,7,3,2,6,4,5,0,6,0,3,5,1,4,2,8,7,5,4,2,7,8,0,1,3,6,3,2,1,6,7,5,0,4,8,7,5,0,8,4,1,3,6,2,8,6,4,0,3,2,7,1,5,2,1,8,4,5,7,6,0,3,4,3,6,2,0,8,5,7,1,0,7,5,1,6,3,8,2,4]}
+PUZZLE:
+_ _ _  _ 3 _  _ _ _
+7 _ _  6 _ 5  _ 9 _
+_ _ _  _ 9 1  2 _ _
+
+_ _ 2  7 _ 6  1 _ _
+8 6 _  9 _ _  4 _ _
+_ _ _  _ _ _  _ 2 _
+
+3 2 _  _ _ 8  _ _ _
+_ _ _  _ 1 _  6 _ _
+_ _ _  _ _ _  9 _ _
+
+SOLUTION:
+2 9 8  4 3 7  5 6 1
+7 1 4  6 2 5  3 9 8
+6 5 3  8 9 1  2 4 7
+
+4 3 2  7 8 6  1 5 9
+8 6 1  9 5 2  4 7 3
+9 7 5  1 4 3  8 2 6
+
+3 2 9  5 6 8  7 1 4
+5 4 7  3 1 9  6 8 2
+1 8 6  2 7 4  9 3 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,0,null,null,1,null,6,null,null,null,5,8,null,7,null,null,null,null,null,6,null,3,null,null,null,null,7,6,null,null,null,null,null,2,null,3,2,null,null,null,8,4,null,null,null,null,null,null,2,null,null,null,null,null,5,null,null,null,null,8,null,4,null,null,1,null,null,null,null,3,0,null,null,null,null,null,6,null,null],"solution":[3,4,8,0,2,7,1,5,6,6,2,0,5,8,1,7,3,4,7,5,1,6,4,3,2,0,8,8,7,6,4,3,5,0,1,2,1,3,2,7,6,0,8,4,5,5,0,4,8,1,2,3,6,7,2,1,5,3,7,6,4,8,0,4,6,7,1,0,8,5,2,3,0,8,3,2,5,4,6,7,1]}
+PUZZLE:
+_ 5 _  1 _ _  2 _ 7
+_ _ _  6 9 _  8 _ _
+_ _ _  7 _ 4  _ _ _
+
+_ 8 7  _ _ _  _ _ 3
+_ 4 3  _ _ _  9 5 _
+_ _ _  _ _ 3  _ _ _
+
+_ _ 6  _ _ _  _ 9 _
+5 _ _  2 _ _  _ _ 4
+1 _ _  _ _ _  7 _ _
+
+SOLUTION:
+4 5 9  1 3 8  2 6 7
+7 3 1  6 9 2  8 4 5
+8 6 2  7 5 4  3 1 9
+
+9 8 7  5 4 6  1 2 3
+2 4 3  8 7 1  9 5 6
+6 1 5  9 2 3  4 7 8
+
+3 2 6  4 8 7  5 9 1
+5 7 8  2 1 9  6 3 4
+1 9 4  3 6 5  7 8 2
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,0,null,1,2,null,null,null,null,null,null,3,5,null,null,0,4,null,5,null,null,null,6,null,null,8,null,null,null,1,null,null,null,null,null,null,null,null,2,null,null,0,1,null,null,3,4,null,null,null,null,null,3,null,1,null,null,null,null,null,5,null,null,null,7,0,null,null,null,8,null,null,7,null,null,2,null,null,null],"solution":[6,3,8,0,4,1,2,5,7,1,7,2,6,3,5,8,4,0,4,0,5,2,8,7,6,1,3,8,4,0,5,1,6,7,3,2,7,5,6,3,2,8,4,0,1,2,1,3,4,7,0,5,8,6,3,2,1,8,6,4,0,7,5,5,6,4,7,0,3,1,2,8,0,8,7,1,5,2,3,6,4]}
+PUZZLE:
+_ _ _  1 _ 2  3 _ _
+_ _ _  _ 4 6  _ _ 1
+5 _ 6  _ _ _  7 _ _
+
+9 _ _  _ 2 _  _ _ _
+_ _ _  _ 3 _  _ 1 2
+_ _ 4  5 _ _  _ _ _
+
+4 _ 2  _ _ _  _ _ 6
+_ _ _  8 1 _  _ _ 9
+_ _ 8  _ _ 3  _ _ _
+
+SOLUTION:
+7 4 9  1 5 2  3 6 8
+2 8 3  7 4 6  9 5 1
+5 1 6  3 9 8  7 2 4
+
+9 5 1  6 2 7  8 4 3
+8 6 7  4 3 9  5 1 2
+3 2 4  5 8 1  6 9 7
+
+4 3 2  9 7 5  1 8 6
+6 7 5  8 1 4  2 3 9
+1 9 8  2 6 3  4 7 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,2,null,null,null,7,null,null,null,null,null,7,4,null,null,null,null,null,null,0,6,null,null,null,8,1,null,null,null,null,3,null,4,null,7,null,null,null,null,null,2,null,null,3,null,null,null,5,null,null,null,null,null,null,8,null,4,null,null,3,null,4,null,6,null,null,5,null,null,7,null,1,null,null,8,null,null,2,6],"solution":[6,0,5,2,3,8,1,7,4,8,3,1,5,7,4,0,6,2,2,4,7,0,6,1,3,5,8,1,6,0,8,2,3,7,4,5,7,5,4,1,0,6,2,8,3,3,8,2,4,5,7,6,1,0,0,7,8,6,4,2,5,3,1,4,2,6,3,1,5,8,0,7,5,1,3,7,8,0,4,2,6]}
+PUZZLE:
+_ _ _  3 _ _  _ 8 _
+_ _ _  _ 8 5  _ _ _
+_ _ _  1 7 _  _ _ 9
+
+2 _ _  _ _ 4  _ 5 _
+8 _ _  _ _ _  3 _ _
+4 _ _  _ 6 _  _ _ _
+
+_ _ 9  _ 5 _  _ 4 _
+5 _ 7  _ _ 6  _ _ 8
+_ 2 _  _ 9 _  _ 3 7
+
+SOLUTION:
+7 1 6  3 4 9  2 8 5
+9 4 2  6 8 5  1 7 3
+3 5 8  1 7 2  4 6 9
+
+2 7 1  9 3 4  8 5 6
+8 6 5  2 1 7  3 9 4
+4 9 3  5 6 8  7 2 1
+
+1 8 9  7 5 3  6 4 2
+5 3 7  4 2 6  9 1 8
+6 2 4  8 9 1  5 3 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[4,7,null,null,2,null,0,null,null,5,2,null,null,null,8,7,null,null,null,null,null,0,null,null,null,null,8,null,null,null,3,4,null,null,null,null,null,8,null,null,null,5,null,null,null,6,null,3,null,null,null,5,4,null,null,0,null,null,null,null,null,1,null,2,null,null,null,null,null,null,null,0,null,null,null,null,null,3,8,null,null],"solution":[4,7,8,5,2,6,0,3,1,5,2,0,1,3,8,7,6,4,3,6,1,0,7,4,2,5,8,0,5,2,3,4,7,1,8,6,7,8,4,6,1,5,3,0,2,6,1,3,2,8,0,5,4,7,8,0,7,4,5,2,6,1,3,2,3,5,8,6,1,4,7,0,1,4,6,7,0,3,8,2,5]}
+PUZZLE:
+5 8 _  _ 3 _  1 _ _
+6 3 _  _ _ 9  8 _ _
+_ _ _  1 _ _  _ _ 9
+
+_ _ _  4 5 _  _ _ _
+_ 9 _  _ _ 6  _ _ _
+7 _ 4  _ _ _  6 5 _
+
+_ 1 _  _ _ _  _ 2 _
+3 _ _  _ _ _  _ _ 1
+_ _ _  _ _ 4  9 _ _
+
+SOLUTION:
+5 8 9  6 3 7  1 4 2
+6 3 1  2 4 9  8 7 5
+4 7 2  1 8 5  3 6 9
+
+1 6 3  4 5 8  2 9 7
+8 9 5  7 2 6  4 1 3
+7 2 4  3 9 1  6 5 8
+
+9 1 8  5 6 3  7 2 4
+3 4 6  9 7 2  5 8 1
+2 5 7  8 1 4  9 3 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[4,1,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,5,8,null,null,4,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,0,null,7,4,5,null,null,null,5,3,8,null,null,1,null,null,null,1,5,null,2,null,null,null,null,3,7,null,null,4,null,null,8,null,null,null,7,null,null,3,null,null],"solution":[4,1,2,6,5,3,0,8,7,0,7,3,8,2,1,6,4,5,8,5,6,4,7,0,1,3,2,1,6,0,2,4,5,8,7,3,3,2,8,0,1,7,4,5,6,7,4,5,3,8,6,2,1,0,6,8,1,5,3,2,7,0,4,2,3,7,1,0,4,5,6,8,5,0,4,7,6,8,3,2,1]}
+PUZZLE:
+5 2 _  _ _ _  1 _ _
+_ _ _  _ _ _  _ _ 6
+9 _ _  5 _ _  _ _ _
+
+_ 7 _  _ _ _  _ _ _
+_ _ _  1 _ 8  5 6 _
+_ _ 6  4 9 _  _ 2 _
+
+_ _ 2  6 _ 3  _ _ _
+_ 4 8  _ _ 5  _ _ 9
+_ _ _  8 _ _  4 _ _
+
+SOLUTION:
+5 2 3  7 6 4  1 9 8
+1 8 4  9 3 2  7 5 6
+9 6 7  5 8 1  2 4 3
+
+2 7 1  3 5 6  9 8 4
+4 3 9  1 2 8  5 6 7
+8 5 6  4 9 7  3 2 1
+
+7 9 2  6 4 3  8 1 5
+3 4 8  2 1 5  6 7 9
+6 1 5  8 7 9  4 3 2
+
+RATING: 0
+DATA:
+{"puzzle":[6,null,7,null,3,null,null,null,null,null,null,null,null,4,null,7,null,null,3,null,null,5,null,6,null,0,null,0,8,5,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,3,8,null,null,1,7,5,null,null,null,null,null,0,null,4,1,null,null,6,null,null,null,null,null,null,null,null,null,4,8,null,3,null,2],"solution":[6,0,7,2,3,8,5,1,4,2,5,8,0,4,1,7,3,6,3,1,4,5,7,6,2,0,8,0,8,5,6,1,7,4,2,3,7,2,1,3,5,4,6,8,0,4,6,3,8,0,2,1,7,5,5,3,2,7,6,0,8,4,1,8,4,6,1,2,3,0,5,7,1,7,0,4,8,5,3,6,2]}
+PUZZLE:
+7 _ 8  _ 4 _  _ _ _
+_ _ _  _ 5 _  8 _ _
+4 _ _  6 _ 7  _ 1 _
+
+1 9 6  _ _ _  _ _ _
+8 _ _  _ _ _  _ _ _
+_ _ 4  9 _ _  2 8 6
+
+_ _ _  _ _ 1  _ 5 2
+_ _ 7  _ _ _  _ _ _
+_ _ _  5 9 _  4 _ 3
+
+SOLUTION:
+7 1 8  3 4 9  6 2 5
+3 6 9  1 5 2  8 4 7
+4 2 5  6 8 7  3 1 9
+
+1 9 6  7 2 8  5 3 4
+8 3 2  4 6 5  7 9 1
+5 7 4  9 1 3  2 8 6
+
+6 4 3  8 7 1  9 5 2
+9 5 7  2 3 4  1 6 8
+2 8 1  5 9 6  4 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,6,5,7,null,null,null,5,null,null,null,1,null,null,null,8,null,null,6,0,null,null,null,2,null,null,null,null,5,null,null,null,null,null,2,null,0,null,null,null,null,null,null,null,null,3,null,null,6,null,1,null,0,null,null,null,null,null,8,5,null,null,null,4,null,null,null,3,0,null,null,3,null,7,null,null,null,null,null],"solution":[8,0,2,6,5,7,1,3,4,5,4,7,2,1,3,0,6,8,3,1,6,0,4,8,7,2,5,1,6,8,5,3,2,4,7,0,2,5,0,4,7,1,6,8,3,4,7,3,8,0,6,5,1,2,0,2,1,3,6,4,8,5,7,7,8,4,1,2,5,3,0,6,6,3,5,7,8,0,2,4,1]}
+PUZZLE:
+_ 1 _  7 6 8  _ _ _
+6 _ _  _ 2 _  _ _ 9
+_ _ 7  1 _ _  _ 3 _
+
+_ _ _  6 _ _  _ _ _
+3 _ 1  _ _ _  _ _ _
+_ _ 4  _ _ 7  _ 2 _
+
+1 _ _  _ _ _  9 6 _
+_ _ 5  _ _ _  4 1 _
+_ 4 _  8 _ _  _ _ _
+
+SOLUTION:
+9 1 3  7 6 8  2 4 5
+6 5 8  3 2 4  1 7 9
+4 2 7  1 5 9  8 3 6
+
+2 7 9  6 4 3  5 8 1
+3 6 1  5 8 2  7 9 4
+5 8 4  9 1 7  6 2 3
+
+1 3 2  4 7 5  9 6 8
+8 9 5  2 3 6  4 1 7
+7 4 6  8 9 1  3 5 2
+
+RATING: 0
+DATA:
+{"puzzle":[8,7,null,null,null,null,null,5,null,0,null,1,5,null,7,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,5,null,2,null,null,null,0,null,null,null,7,null,null,null,null,null,8,3,null,null,null,null,null,2,null,null,0,1,null,8,null,null,null,7,null,null,null,null,6,null,null,8,null,null,null,null,null,null,3],"solution":[8,7,2,4,6,0,3,5,1,0,3,1,5,2,7,8,4,6,6,4,5,3,1,8,0,7,2,3,1,8,0,7,5,6,2,4,2,5,0,1,4,6,7,3,8,7,6,4,8,3,2,5,1,0,5,2,3,6,0,1,4,8,7,4,0,7,2,8,3,1,6,5,1,8,6,7,5,4,2,0,3]}
+PUZZLE:
+9 8 _  _ _ _  _ 6 _
+1 _ 2  6 _ 8  _ _ _
+_ _ _  _ _ _  _ _ 3
+
+_ _ _  _ _ 6  _ 3 _
+_ _ 1  _ _ _  8 _ _
+_ _ _  9 4 _  _ _ _
+
+_ 3 _  _ 1 2  _ 9 _
+_ _ 8  _ _ _  _ 7 _
+_ 9 _  _ _ _  _ _ 4
+
+SOLUTION:
+9 8 3  5 7 1  4 6 2
+1 4 2  6 3 8  9 5 7
+7 5 6  4 2 9  1 8 3
+
+4 2 9  1 8 6  7 3 5
+3 6 1  2 5 7  8 4 9
+8 7 5  9 4 3  6 2 1
+
+6 3 4  7 1 2  5 9 8
+5 1 8  3 9 4  2 7 6
+2 9 7  8 6 5  3 1 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,7,0,8,null,null,null,null,3,null,null,null,1,null,null,2,null,7,null,null,null,6,1,null,null,2,null,3,5,null,null,null,null,null,null,1,null,null,null,null,2,null,null,0,null,null,8,null,null,3,7,null,null,null,null,null,null,null,null,null,null,null,null,4,null,3,null,null,0,6,null,0,null,null,null,null,null,null,null],"solution":[5,2,1,7,0,8,6,3,4,6,3,0,4,5,1,7,8,2,4,7,8,3,2,6,1,5,0,2,8,3,5,7,4,0,6,1,7,1,5,0,6,3,2,4,8,0,4,6,8,1,2,3,7,5,8,6,7,1,4,0,5,2,3,1,5,4,2,3,7,8,0,6,3,0,2,6,8,5,4,1,7]}
+PUZZLE:
+_ 3 _  8 1 9  _ _ _
+_ 4 _  _ _ 2  _ _ 3
+_ 8 _  _ _ 7  2 _ _
+
+3 _ 4  6 _ _  _ _ _
+_ 2 _  _ _ _  3 _ _
+1 _ _  9 _ _  4 8 _
+
+_ _ _  _ _ _  _ _ _
+_ _ 5  _ 4 _  _ 1 7
+_ 1 _  _ _ _  _ _ _
+
+SOLUTION:
+6 3 2  8 1 9  7 4 5
+7 4 1  5 6 2  8 9 3
+5 8 9  4 3 7  2 6 1
+
+3 9 4  6 8 5  1 7 2
+8 2 6  1 7 4  3 5 9
+1 5 7  9 2 3  4 8 6
+
+9 7 8  2 5 1  6 3 4
+2 6 5  3 4 8  9 1 7
+4 1 3  7 9 6  5 2 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,8,null,2,null,6,null,3,null,null,null,null,null,8,null,null,1,null,3,null,null,0,null,2,null,null,5,2,null,null,null,3,null,1,7,6,7,3,null,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,7,1,null,null,null,4,8,null,null,null,null,null,null,null,null,null,null,null,null,8,null,0,null,null,null],"solution":[0,1,8,4,2,7,6,5,3,2,5,4,3,6,8,7,0,1,7,3,6,5,0,1,2,8,4,5,2,0,6,8,3,4,1,7,6,7,3,0,1,4,8,2,5,4,8,1,2,7,5,3,6,0,3,6,7,1,5,2,0,4,8,8,0,5,7,4,6,1,3,2,1,4,2,8,3,0,5,7,6]}
+PUZZLE:
+_ 2 9  _ 3 _  7 _ 4
+_ _ _  _ _ 9  _ _ 2
+_ 4 _  _ 1 _  3 _ _
+
+6 3 _  _ _ 4  _ 2 8
+7 8 4  _ _ _  _ _ _
+5 _ _  _ _ _  _ _ _
+
+_ _ 8  2 _ _  _ 5 9
+_ _ _  _ _ _  _ _ _
+_ _ _  9 _ 1  _ _ _
+
+SOLUTION:
+1 2 9  5 3 8  7 6 4
+3 6 5  4 7 9  8 1 2
+8 4 7  6 1 2  3 9 5
+
+6 3 1  7 9 4  5 2 8
+7 8 4  1 2 5  9 3 6
+5 9 2  3 8 6  4 7 1
+
+4 7 8  2 6 3  1 5 9
+9 1 6  8 5 7  2 4 3
+2 5 3  9 4 1  6 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,2,null,6,null,null,null,null,null,null,1,null,null,4,8,null,null,0,null,null,7,null,null,null,null,null,null,2,6,null,null,null,5,null,null,8,0,null,null,4,null,null,6,7,1,null,null,8,2,null,null,0,null,4,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,6],"solution":[8,5,7,3,2,4,6,1,0,2,3,6,5,1,0,7,4,8,1,4,0,6,8,7,3,5,2,4,0,3,2,6,1,8,7,5,5,2,8,0,7,3,4,6,1,6,7,1,4,5,8,2,0,3,0,6,4,8,3,5,1,2,7,3,1,2,7,0,6,5,8,4,7,8,5,1,4,2,0,3,6]}
+PUZZLE:
+_ 6 _  _ 3 _  7 _ _
+_ _ _  _ 2 _  _ 5 9
+_ _ 1  _ _ 8  _ _ _
+
+_ _ _  3 7 _  _ _ 6
+_ _ 9  1 _ _  5 _ _
+7 8 2  _ _ 9  3 _ _
+
+1 _ 5  _ _ _  2 _ _
+_ _ _  _ _ _  _ _ _
+_ _ _  2 _ _  _ _ 7
+
+SOLUTION:
+9 6 8  4 3 5  7 2 1
+3 4 7  6 2 1  8 5 9
+2 5 1  7 9 8  4 6 3
+
+5 1 4  3 7 2  9 8 6
+6 3 9  1 8 4  5 7 2
+7 8 2  5 6 9  3 1 4
+
+1 7 5  9 4 6  2 3 8
+4 2 3  8 1 7  6 9 5
+8 9 6  2 5 3  1 4 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,8,null,null,2,null,null,5,null,null,null,6,null,null,null,7,null,4,null,5,0,1,null,4,3,null,null,null,null,null,null,0,null,null,null,5,null,null,null,null,null,null,null,2,null,null,null,null,6,null,null,null,null,null,5,null,null,null,null,null,null,4,8,null,2,null,null,null,null,5,null,0,7,4,null],"solution":[5,3,7,6,0,2,1,8,4,4,2,0,8,5,1,3,7,6,8,6,1,7,3,4,2,5,0,1,5,4,3,8,7,0,6,2,2,0,6,4,1,5,8,3,7,7,8,3,0,2,6,4,1,5,6,4,8,2,7,3,5,0,1,0,7,5,1,4,8,6,2,3,3,1,2,5,6,0,7,4,8]}
+PUZZLE:
+_ _ _  _ _ _  _ 9 _
+_ 3 _  _ 6 _  _ _ 7
+_ _ _  8 _ 5  _ 6 1
+
+2 _ 5  4 _ _  _ _ _
+_ 1 _  _ _ 6  _ _ _
+_ _ _  _ 3 _  _ _ _
+
+7 _ _  _ _ _  6 _ _
+_ _ _  _ 5 9  _ 3 _
+_ _ _  6 _ 1  8 5 _
+
+SOLUTION:
+6 4 8  7 1 3  2 9 5
+5 3 1  9 6 2  4 8 7
+9 7 2  8 4 5  3 6 1
+
+2 6 5  4 9 8  1 7 3
+3 1 7  5 2 6  9 4 8
+8 9 4  1 3 7  5 2 6
+
+7 5 9  3 8 4  6 1 2
+1 8 6  2 5 9  7 3 4
+4 2 3  6 7 1  8 5 9
+
+RATING: 2
+DATA:
+{"puzzle":[2,null,null,null,null,3,null,null,null,null,7,null,4,null,null,null,null,null,null,null,5,null,null,6,null,1,8,null,0,1,6,null,null,null,7,5,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,3,null,null,null,null,null,null,null,1,null,null,null,null,null,null,8,null,null,1,null,0,null,3,null,null,null,null,2,4,null],"solution":[2,1,6,0,8,3,7,5,4,8,7,0,4,1,5,6,2,3,3,4,5,2,7,6,0,1,8,4,0,1,6,3,2,8,7,5,7,6,3,1,5,8,4,0,2,5,8,2,7,0,4,3,6,1,0,2,7,3,4,1,5,8,6,6,5,4,8,2,7,1,3,0,1,3,8,5,6,0,2,4,7]}
+PUZZLE:
+3 _ _  _ _ 4  _ _ _
+_ 8 _  5 _ _  _ _ _
+_ _ 6  _ _ 7  _ 2 9
+
+_ 1 2  7 _ _  _ 8 6
+_ _ _  _ _ _  _ _ _
+_ _ _  _ 1 _  4 _ _
+
+_ _ _  _ _ 2  _ _ _
+_ _ _  9 _ _  2 _ 1
+_ 4 _  _ _ _  3 5 _
+
+SOLUTION:
+3 2 7  1 9 4  8 6 5
+9 8 1  5 2 6  7 3 4
+4 5 6  3 8 7  1 2 9
+
+5 1 2  7 4 3  9 8 6
+8 7 4  2 6 9  5 1 3
+6 9 3  8 1 5  4 7 2
+
+1 3 8  4 5 2  6 9 7
+7 6 5  9 3 8  2 4 1
+2 4 9  6 7 1  3 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,3,null,null,null,6,null,null,7,null,null,6,null,null,null,0,null,8,null,null,null,1,null,null,null,2,null,null,null,null,2,0,null,null,null,null,8,null,null,null,6,4,null,null,null,null,null,null,null,null,null,null,1,null,null,8,null,null,2,null,null,4,null,4,null,null,null,null,3,null,6,0,null,7,3,null,null,null,null,8],"solution":[4,1,3,2,0,7,6,8,5,7,2,5,6,8,4,1,0,3,8,0,6,5,1,3,7,4,2,1,3,4,8,2,0,5,6,7,5,8,2,1,7,6,4,3,0,6,7,0,4,3,5,8,2,1,3,5,8,7,6,2,0,1,4,2,4,1,0,5,8,3,7,6,0,6,7,3,4,1,2,5,8]}
+PUZZLE:
+_ 2 4  _ _ _  7 _ _
+8 _ _  7 _ _  _ 1 _
+9 _ _  _ 2 _  _ _ 3
+
+_ _ _  _ 3 1  _ _ _
+_ 9 _  _ _ 7  5 _ _
+_ _ _  _ _ _  _ _ 2
+
+_ _ 9  _ _ 3  _ _ 5
+_ 5 _  _ _ _  4 _ 7
+1 _ 8  4 _ _  _ _ 9
+
+SOLUTION:
+5 2 4  3 1 8  7 9 6
+8 3 6  7 9 5  2 1 4
+9 1 7  6 2 4  8 5 3
+
+2 4 5  9 3 1  6 7 8
+6 9 3  2 8 7  5 4 1
+7 8 1  5 4 6  9 3 2
+
+4 6 9  8 7 3  1 2 5
+3 5 2  1 6 9  4 8 7
+1 7 8  4 5 2  3 6 9
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,null,5,null,null,null,null,8,null,1,null,3,null,null,6,null,null,6,null,null,null,null,null,0,null,null,null,7,null,null,null,null,1,null,5,null,4,null,0,null,null,7,null,null,8,null,null,null,null,3,null,null,null,null,null,null,6,7,5,null,null,null,null,2,4,null,5,null,null,null,null,null,null,null,null,8,null,null,4],"solution":[0,2,3,6,5,1,8,4,7,8,4,1,7,3,0,2,6,5,7,6,5,8,4,2,1,0,3,2,3,7,5,8,6,4,1,0,5,1,4,2,0,3,6,7,8,6,8,0,1,7,4,3,5,2,4,0,8,3,6,7,5,2,1,3,7,2,4,1,5,0,8,6,1,5,6,0,2,8,7,3,4]}
+PUZZLE:
+_ _ _  _ 6 _  _ _ _
+9 _ 2  _ 4 _  _ 7 _
+_ 7 _  _ _ _  _ 1 _
+
+_ _ 8  _ _ _  _ 2 _
+6 _ 5  _ 1 _  _ 8 _
+_ 9 _  _ _ _  4 _ _
+
+_ _ _  _ 7 8  6 _ _
+_ _ 3  5 _ 6  _ _ _
+_ _ _  _ _ 9  _ _ 5
+
+SOLUTION:
+1 3 4  7 6 2  9 5 8
+9 5 2  8 4 1  3 7 6
+8 7 6  9 5 3  2 1 4
+
+3 4 8  6 9 7  5 2 1
+6 2 5  3 1 4  7 8 9
+7 9 1  2 8 5  4 6 3
+
+5 1 9  4 7 8  6 3 2
+4 8 3  5 2 6  1 9 7
+2 6 7  1 3 9  8 4 5
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,8,null,null,7,null,null,1,3,null,null,null,null,null,null,1,null,null,null,null,6,5,null,null,null,null,null,null,null,0,null,5,null,2,4,0,3,null,null,null,null,null,4,null,null,null,5,null,null,null,null,6,5,null,null,null,null,null,null,4,null,null,null,6,0,null,2,null,null,0,null,1,8,null,null,null],"solution":[0,5,3,6,2,4,8,1,7,7,6,8,1,3,5,2,4,0,4,2,1,0,8,7,3,6,5,6,3,7,8,5,2,1,0,4,5,1,2,4,0,3,6,7,8,8,0,4,7,6,1,5,2,3,2,8,6,5,4,0,7,3,1,1,4,5,3,7,6,0,8,2,3,7,0,2,1,8,4,5,6]}
+PUZZLE:
+_ _ _  _ _ _  9 _ _
+8 _ _  2 4 _  _ _ _
+_ _ 2  _ _ _  _ 7 6
+
+_ _ _  _ _ _  _ 1 _
+6 _ 3  5 1 4  _ _ _
+_ _ 5  _ _ _  6 _ _
+
+_ _ 7  6 _ _  _ _ _
+_ 5 _  _ _ 7  1 _ 3
+_ _ 1  _ 2 9  _ _ _
+
+SOLUTION:
+1 6 4  7 3 5  9 2 8
+8 7 9  2 4 6  3 5 1
+5 3 2  1 9 8  4 7 6
+
+7 4 8  9 6 3  2 1 5
+6 2 3  5 1 4  7 8 9
+9 1 5  8 7 2  6 3 4
+
+3 9 7  6 5 1  8 4 2
+2 5 6  4 8 7  1 9 3
+4 8 1  3 2 9  5 6 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,4,null,1,null,null,2,null,null,null,null,null,null,6,5,null,null,null,7,0,null,null,null,null,null,8,null,null,null,null,null,7,4,3,null,null,null,null,null,null,2,null,null,null,null,null,7,null,null,null,null,4,null,1,3,2,null,null,4,null,0,null,null,null,null,null,null,null,null,8,2,null,null,null,1,null,null,null,null,null,null],"solution":[8,4,6,1,0,7,2,5,3,1,3,2,8,6,5,7,4,0,7,0,5,4,3,2,1,8,6,5,1,8,0,7,4,3,6,2,0,6,4,3,2,1,5,7,8,2,7,3,5,8,6,4,0,1,3,2,7,6,4,8,0,1,5,6,5,0,7,1,3,8,2,4,4,8,1,2,5,0,6,3,7]}
+PUZZLE:
+_ 5 _  2 _ _  3 _ _
+_ _ _  _ 7 6  _ _ _
+8 1 _  _ _ _  _ 9 _
+
+_ _ _  _ 8 5  4 _ _
+_ _ _  _ 3 _  _ _ _
+_ 8 _  _ _ _  5 _ 2
+
+4 3 _  _ 5 _  1 _ _
+_ _ _  _ _ _  9 3 _
+_ _ 2  _ _ _  _ _ _
+
+SOLUTION:
+9 5 7  2 1 8  3 6 4
+2 4 3  9 7 6  8 5 1
+8 1 6  5 4 3  2 9 7
+
+6 2 9  1 8 5  4 7 3
+1 7 5  4 3 2  6 8 9
+3 8 4  6 9 7  5 1 2
+
+4 3 8  7 5 9  1 2 6
+7 6 1  8 2 4  9 3 5
+5 9 2  3 6 1  7 4 8
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,3,0,null,null,null,null,4,2,null,null,null,6,null,null,null,null,null,null,null,null,4,null,3,null,5,null,8,null,null,7,0,null,null,null,null,6,null,4,null,5,null,null,null,null,2,7,null,null,null,null,6,null,null,null,null,null,null,null,null,3,null,4,null,null,2,null,null,8,null,null,7,null,6,5,null,null,null,null,null],"solution":[1,7,3,0,5,8,6,2,4,2,4,5,3,6,7,1,0,8,6,0,8,1,4,2,3,7,5,3,8,4,6,7,0,2,5,1,0,6,1,4,2,5,7,8,3,5,2,7,8,1,3,4,6,0,8,1,2,7,0,4,5,3,6,4,5,0,2,3,6,8,1,7,7,3,6,5,8,1,0,4,2]}
+PUZZLE:
+_ _ 4  1 _ _  _ _ 5
+3 _ _  _ 7 _  _ _ _
+_ _ _  _ 5 _  4 _ 6
+
+_ 9 _  _ 8 1  _ _ _
+_ 7 _  5 _ 6  _ _ _
+_ 3 8  _ _ _  _ 7 _
+
+_ _ _  _ _ _  _ 4 _
+5 _ _  3 _ _  9 _ _
+8 _ 7  6 _ _  _ _ _
+
+SOLUTION:
+2 8 4  1 6 9  7 3 5
+3 5 6  4 7 8  2 1 9
+7 1 9  2 5 3  4 8 6
+
+4 9 5  7 8 1  3 6 2
+1 7 2  5 3 6  8 9 4
+6 3 8  9 2 4  5 7 1
+
+9 2 3  8 1 5  6 4 7
+5 6 1  3 4 7  9 2 8
+8 4 7  6 9 2  1 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[7,8,null,null,null,null,null,6,null,4,null,null,null,null,6,null,5,null,null,1,null,null,null,null,4,null,2,null,null,null,8,null,null,null,3,4,null,null,null,0,null,3,1,null,null,null,6,null,7,null,null,null,null,null,null,null,5,null,null,4,null,null,null,null,null,null,null,null,1,7,null,null,8,null,1,2,null,null,null,null,null],"solution":[7,8,2,4,5,0,3,6,1,4,3,0,1,2,6,8,5,7,5,1,6,3,7,8,4,0,2,0,5,7,8,1,2,6,3,4,2,4,8,0,6,3,1,7,5,1,6,3,7,4,5,0,2,8,3,7,5,6,8,4,2,1,0,6,2,4,5,0,1,7,8,3,8,0,1,2,3,7,5,4,6]}
+PUZZLE:
+8 9 _  _ _ _  _ 7 _
+5 _ _  _ _ 7  _ 6 _
+_ 2 _  _ _ _  5 _ 3
+
+_ _ _  9 _ _  _ 4 5
+_ _ _  1 _ 4  2 _ _
+_ 7 _  8 _ _  _ _ _
+
+_ _ 6  _ _ 5  _ _ _
+_ _ _  _ _ 2  8 _ _
+9 _ 2  3 _ _  _ _ _
+
+SOLUTION:
+8 9 3  5 6 1  4 7 2
+5 4 1  2 3 7  9 6 8
+6 2 7  4 8 9  5 1 3
+
+1 6 8  9 2 3  7 4 5
+3 5 9  1 7 4  2 8 6
+2 7 4  8 5 6  1 3 9
+
+4 8 6  7 9 5  3 2 1
+7 3 5  6 1 2  8 9 4
+9 1 2  3 4 8  6 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,0,null,null,6,null,null,7,null,null,2,null,0,null,null,null,1,7,null,null,8,4,null,0,null,null,null,null,null,null,8,null,null,6,3,null,null,1,5,null,null,null,null,2,null,null,null,null,null,2,7,null,null,null,null,8,6,2,null,null,null,null,null,null,null,null,null,null,null,0,6,1,null,null,null,5,null,null,null,null],"solution":[5,8,0,2,1,6,4,3,7,3,4,2,7,0,5,6,8,1,7,1,6,8,4,3,0,2,5,4,2,7,1,8,0,5,6,3,6,0,1,5,3,7,8,4,2,8,3,5,4,6,2,7,1,0,0,7,8,6,2,1,3,5,4,2,5,4,3,7,8,1,0,6,1,6,3,0,5,4,2,7,8]}
+PUZZLE:
+_ 9 1  _ _ 7  _ _ 8
+_ _ 3  _ 1 _  _ _ 2
+8 _ _  9 5 _  1 _ _
+
+_ _ _  _ 9 _  _ 7 4
+_ _ 2  6 _ _  _ _ 3
+_ _ _  _ _ 3  8 _ _
+
+_ _ 9  7 3 _  _ _ _
+_ _ _  _ _ _  _ 1 7
+2 _ _  _ 6 _  _ _ _
+
+SOLUTION:
+6 9 1  3 2 7  5 4 8
+4 5 3  8 1 6  7 9 2
+8 2 7  9 5 4  1 3 6
+
+5 3 8  2 9 1  6 7 4
+7 1 2  6 4 8  9 5 3
+9 4 6  5 7 3  8 2 1
+
+1 8 9  7 3 2  4 6 5
+3 6 5  4 8 9  2 1 7
+2 7 4  1 6 5  3 8 9
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,6,null,null,null,null,1,null,null,null,null,null,7,null,null,null,null,null,5,null,null,null,1,0,8,6,2,null,null,8,null,null,null,null,null,null,null,null,null,null,5,null,null,1,null,3,null,null,null,2,4,null,null,null,4,null,3,5,null,null,null,0,null,null,3,4,null,null,8,null,null,null,null,2,6,null,null,null,4,null],"solution":[0,2,6,5,8,3,7,1,4,4,8,1,0,7,6,5,3,2,3,5,7,2,4,1,0,8,6,2,1,5,8,0,4,6,7,3,8,6,4,7,3,5,2,0,1,7,3,0,1,6,2,4,5,8,6,4,8,3,5,7,1,2,0,1,7,3,4,2,0,8,6,5,5,0,2,6,1,8,3,4,7]}
+PUZZLE:
+_ _ 7  _ _ _  _ 2 _
+_ _ _  _ 8 _  _ _ _
+_ 6 _  _ _ 2  1 9 7
+
+3 _ _  9 _ _  _ _ _
+_ _ _  _ _ 6  _ _ 2
+_ 4 _  _ _ 3  5 _ _
+
+_ 5 _  4 6 _  _ _ 1
+_ _ 4  5 _ _  9 _ _
+_ _ 3  7 _ _  _ 5 _
+
+SOLUTION:
+1 3 7  6 9 4  8 2 5
+5 9 2  1 8 7  6 4 3
+4 6 8  3 5 2  1 9 7
+
+3 2 6  9 1 5  7 8 4
+9 7 5  8 4 6  3 1 2
+8 4 1  2 7 3  5 6 9
+
+7 5 9  4 6 8  2 3 1
+2 8 4  5 3 1  9 7 6
+6 1 3  7 2 9  4 5 8
+
+RATING: 1
+DATA:
+{"puzzle":[7,1,null,null,8,0,null,null,4,2,null,null,7,null,null,6,1,null,null,8,null,null,null,null,null,null,null,4,null,null,null,null,null,3,2,0,null,2,null,null,4,null,null,null,null,null,null,5,null,null,8,null,null,null,null,null,null,2,null,null,null,null,null,null,null,3,null,null,null,null,7,null,null,null,null,null,null,6,null,4,null],"solution":[7,1,6,3,8,0,2,5,4,2,3,0,7,5,4,6,1,8,5,8,4,1,6,2,0,3,7,4,6,8,5,1,7,3,2,0,0,2,1,6,4,3,7,8,5,3,7,5,0,2,8,4,6,1,8,4,7,2,3,5,1,0,6,6,5,3,4,0,1,8,7,2,1,0,2,8,7,6,5,4,3]}
+PUZZLE:
+8 2 _  _ 9 1  _ _ 5
+3 _ _  8 _ _  7 2 _
+_ 9 _  _ _ _  _ _ _
+
+5 _ _  _ _ _  4 3 1
+_ 3 _  _ 5 _  _ _ _
+_ _ 6  _ _ 9  _ _ _
+
+_ _ _  3 _ _  _ _ _
+_ _ 4  _ _ _  _ 8 _
+_ _ _  _ _ 7  _ 5 _
+
+SOLUTION:
+8 2 7  4 9 1  3 6 5
+3 4 1  8 6 5  7 2 9
+6 9 5  2 7 3  1 4 8
+
+5 7 9  6 2 8  4 3 1
+1 3 2  7 5 4  8 9 6
+4 8 6  1 3 9  5 7 2
+
+9 5 8  3 4 6  2 1 7
+7 6 4  5 1 2  9 8 3
+2 1 3  9 8 7  6 5 4
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,6,null,null,null,null,null,null,null,2,null,null,7,5,null,null,null,null,null,0,null,8,null,3,2,null,4,null,null,null,null,null,8,null,null,null,null,null,null,3,2,null,null,7,null,null,null,0,null,null,5,null,null,1,null,null,1,null,null,null,null,null,null,3,null,null,2,null,null,6,1,7,null,4,null,null,null,null,null,null,3],"solution":[8,6,5,4,1,2,7,3,0,2,3,4,7,5,0,1,6,8,1,0,7,8,6,3,2,5,4,5,1,3,0,7,8,4,2,6,4,8,6,3,2,1,0,7,5,7,2,0,6,4,5,3,8,1,0,7,1,5,3,6,8,4,2,3,5,8,2,0,4,6,1,7,6,4,2,1,8,7,5,0,3]}
+PUZZLE:
+_ 7 _  _ _ _  _ _ _
+3 _ _  8 6 _  _ _ _
+_ 1 _  9 _ 4  3 _ 5
+
+_ _ _  _ _ 9  _ _ _
+_ _ _  4 3 _  _ 8 _
+_ _ 1  _ _ 6  _ _ 2
+
+_ _ 2  _ _ _  _ _ _
+4 _ _  3 _ _  7 2 8
+_ 5 _  _ _ _  _ _ 4
+
+SOLUTION:
+9 7 6  5 2 3  8 4 1
+3 4 5  8 6 1  2 7 9
+2 1 8  9 7 4  3 6 5
+
+6 2 4  1 8 9  5 3 7
+5 9 7  4 3 2  1 8 6
+8 3 1  7 5 6  4 9 2
+
+1 8 2  6 4 7  9 5 3
+4 6 9  3 1 5  7 2 8
+7 5 3  2 9 8  6 1 4
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,null,null,4,7,null,null,null,3,null,null,null,null,null,null,1,7,null,null,6,null,1,3,null,null,4,null,null,null,null,8,null,null,null,null,null,4,null,0,null,null,2,null,3,null,7,null,null,null,null,null,4,2,null,null,8,6,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,3,2,4,0,8,null,null],"solution":[2,0,1,4,7,6,5,8,3,3,4,5,0,2,8,1,7,6,8,6,7,1,3,5,0,4,2,6,3,2,8,0,4,7,1,5,4,5,0,7,1,2,6,3,8,7,1,8,5,6,3,4,2,0,1,8,6,3,5,7,2,0,4,0,2,4,6,8,1,3,5,7,5,7,3,2,4,0,8,6,1]}
+PUZZLE:
+_ _ _  5 8 _  _ _ 4
+_ _ _  _ _ _  2 8 _
+_ 7 _  2 4 _  _ 5 _
+
+_ _ _  9 _ _  _ _ _
+5 _ 1  _ _ 3  _ 4 _
+8 _ _  _ _ _  5 3 _
+
+_ 9 7  _ _ _  _ _ _
+1 _ _  _ _ _  _ _ _
+_ _ 4  3 5 1  9 _ _
+
+SOLUTION:
+3 1 2  5 8 7  6 9 4
+4 5 6  1 3 9  2 8 7
+9 7 8  2 4 6  1 5 3
+
+7 4 3  9 1 5  8 2 6
+5 6 1  8 2 3  7 4 9
+8 2 9  6 7 4  5 3 1
+
+2 9 7  4 6 8  3 1 5
+1 3 5  7 9 2  4 6 8
+6 8 4  3 5 1  9 7 2
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,8,6,5,null,null,4,null,null,null,null,null,4,null,null,2,1,null,7,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,2,4,0,null,null,null,null,null,null,6,null,null,1,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,0,6,null,2,null,null,null,1,4,null,null,null,0,3,null,6,null,null],"solution":[3,2,8,6,5,1,0,4,7,6,5,0,7,4,8,3,2,1,1,7,4,3,0,2,5,6,8,7,8,6,5,1,0,4,3,2,4,0,2,8,7,3,1,5,6,5,3,1,4,2,6,8,7,0,8,4,5,1,6,7,2,0,3,0,6,3,2,8,5,7,1,4,2,1,7,0,3,4,6,8,5]}
+PUZZLE:
+4 _ 9  7 6 _  _ 5 _
+_ _ _  _ 5 _  _ 3 2
+_ 8 _  _ _ 3  _ _ _
+
+_ _ _  _ _ _  _ _ 3
+5 1 _  _ _ _  _ _ 7
+_ _ 2  _ _ _  9 _ _
+
+_ _ _  _ _ _  _ _ _
+1 7 _  3 _ _  _ 2 5
+_ _ _  1 4 _  7 _ _
+
+SOLUTION:
+4 3 9  7 6 2  1 5 8
+7 6 1  8 5 9  4 3 2
+2 8 5  4 1 3  6 7 9
+
+8 9 7  6 2 1  5 4 3
+5 1 3  9 8 4  2 6 7
+6 4 2  5 3 7  9 8 1
+
+9 5 6  2 7 8  3 1 4
+1 7 4  3 9 6  8 2 5
+3 2 8  1 4 5  7 9 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,5,null,null,null,7,null,null,null,1,null,null,6,null,null,3,4,null,4,null,null,null,1,null,null,6,null,null,2,null,null,null,null,null,8,null,null,6,4,null,8,null,7,null,null,null,null,0,3,null,null,5,null,null,null,3,null,7,6,null,null,null,1,null,null,null,null,null,null,null,0,null,2,null,null,null,null,null,null,null],"solution":[6,3,5,8,4,2,7,0,1,2,1,8,7,6,0,5,3,4,7,4,0,3,5,1,2,8,6,3,7,2,6,1,5,0,4,8,0,5,6,4,2,8,1,7,3,4,8,1,0,3,7,6,5,2,8,0,3,2,7,6,4,1,5,1,6,7,5,8,4,3,2,0,5,2,4,1,0,3,8,6,7]}
+PUZZLE:
+_ _ 6  _ _ _  8 _ _
+_ 2 _  _ 7 _  _ 4 5
+_ 5 _  _ _ 2  _ _ 7
+
+_ _ 3  _ _ _  _ _ 9
+_ _ 7  5 _ 9  _ 8 _
+_ _ _  1 4 _  _ 6 _
+
+_ _ 4  _ 8 7  _ _ _
+2 _ _  _ _ _  _ _ 1
+_ 3 _  _ _ _  _ _ _
+
+SOLUTION:
+7 4 6  9 5 3  8 1 2
+3 2 9  8 7 1  6 4 5
+8 5 1  4 6 2  3 9 7
+
+4 8 3  7 2 6  1 5 9
+1 6 7  5 3 9  2 8 4
+5 9 2  1 4 8  7 6 3
+
+9 1 4  3 8 7  5 2 6
+2 7 8  6 9 5  4 3 1
+6 3 5  2 1 4  9 7 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,6,null,null,null,null,null,7,8,null,null,2,null,1,2,null,null,null,null,0,7,6,null,6,null,null,null,null,5,null,8,null,null,null,null,null,null,null,null,null,null,null,3,8,null,null,null,null,null,null,null,null,1,null,3,null,null,null,6,5,null,null,null,0,null,null,null,null,null,null,null,null,null,2,null,3,7],"solution":[1,5,0,7,2,6,3,4,8,3,6,7,8,5,4,2,0,1,2,8,4,3,1,0,7,6,5,6,4,2,0,7,5,1,8,3,0,1,5,4,8,3,6,7,2,7,3,8,2,6,1,4,5,0,4,7,1,5,3,8,0,2,6,5,2,3,6,0,7,8,1,4,8,0,6,1,4,2,5,3,7]}
+PUZZLE:
+_ 6 _  _ _ 7  _ _ _
+_ _ 8  9 _ _  3 _ 2
+3 _ _  _ _ 1  8 7 _
+
+7 _ _  _ _ 6  _ 9 _
+_ _ _  _ _ _  _ _ _
+_ 4 9  _ _ _  _ _ _
+
+_ _ 2  _ 4 _  _ _ 7
+6 _ _  _ 1 _  _ _ _
+_ _ _  _ _ 3  _ 4 8
+
+SOLUTION:
+2 6 1  8 3 7  4 5 9
+4 7 8  9 6 5  3 1 2
+3 9 5  4 2 1  8 7 6
+
+7 5 3  1 8 6  2 9 4
+1 2 6  5 9 4  7 8 3
+8 4 9  3 7 2  5 6 1
+
+5 8 2  6 4 9  1 3 7
+6 3 4  7 1 8  9 2 5
+9 1 7  2 5 3  6 4 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,2,3,4,1,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,7,1,null,null,null,null,4,6,0,null,2,null,null,null,null,null,null,null,1,null,null,0,2,null,null,3,8,null,null,null,null,6,null,null,0,null,3,null,6,null,4,null,null,null,null,null,5,null,null,null,null,3,null,7,null],"solution":[7,5,2,3,4,1,8,6,0,0,1,3,7,6,8,4,2,5,4,8,6,5,2,0,1,3,7,1,3,5,8,7,4,6,0,2,2,4,8,0,3,6,7,5,1,6,7,0,2,1,5,3,8,4,8,2,1,6,5,7,0,4,3,3,6,7,4,0,2,5,1,8,5,0,4,1,8,3,2,7,6]}
+PUZZLE:
+_ _ 3  4 5 2  _ _ _
+1 _ _  _ _ _  _ _ _
+_ _ _  _ 3 _  _ _ 8
+
+2 _ _  _ _ 5  7 1 _
+3 _ _  _ _ _  _ _ 2
+_ _ 1  3 _ _  4 9 _
+
+_ _ _  7 _ _  1 _ 4
+_ 7 _  5 _ _  _ _ _
+6 _ _  _ _ 4  _ 8 _
+
+SOLUTION:
+8 6 3  4 5 2  9 7 1
+1 2 4  8 7 9  5 3 6
+5 9 7  6 3 1  2 4 8
+
+2 4 6  9 8 5  7 1 3
+3 5 9  1 4 7  8 6 2
+7 8 1  3 2 6  4 9 5
+
+9 3 2  7 6 8  1 5 4
+4 7 8  5 1 3  6 2 9
+6 1 5  2 9 4  3 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,4,null,2,null,5,null,null,1,null,null,3,null,1,4,null,null,5,null,null,null,8,null,null,null,null,2,7,null,null,null,5,2,6,null,null,1,null,null,null,null,null,null,5,null,null,null,null,0,null,7,3,null,null,null,6,5,null,null,null,null,4,null,null,null,null,3,6,null,null,null,4,null,null],"solution":[8,5,0,3,1,2,7,6,4,4,2,7,5,8,6,1,3,0,3,6,1,4,0,7,5,8,2,6,8,3,1,4,0,2,7,5,7,4,5,2,6,3,0,1,8,0,1,2,8,7,5,6,4,3,2,0,4,7,3,1,8,5,6,5,7,8,6,2,4,3,0,1,1,3,6,0,5,8,4,2,7]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 5
+_ 3 _  6 _ _  2 _ _
+4 _ 2  5 _ _  6 _ _
+
+_ 9 _  _ _ _  3 8 _
+_ _ 6  3 7 _  _ 2 _
+_ _ _  _ _ 6  _ _ _
+
+_ 1 _  8 4 _  _ _ 7
+6 _ _  _ _ 5  _ _ _
+_ 4 7  _ _ _  5 _ _
+
+SOLUTION:
+9 6 1  4 2 3  8 7 5
+5 3 8  6 9 7  2 4 1
+4 7 2  5 1 8  6 9 3
+
+7 9 4  2 5 1  3 8 6
+8 5 6  3 7 4  1 2 9
+1 2 3  9 8 6  7 5 4
+
+3 1 5  8 4 2  9 6 7
+6 8 9  7 3 5  4 1 2
+2 4 7  1 6 9  5 3 8
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,1,null,null,null,null,null,5,null,null,null,2,null,null,null,0,null,7,5,6,null,null,null,null,1,null,null,4,null,1,null,null,null,null,2,null,null,null,null,null,null,5,3,8,null,2,null,null,null,0,null,null,null,4,null,7,8,null,2,null,6,null,5,null,null,null,3,null,null,null,null,null,null,null,4,null,null,null,null,null],"solution":[2,0,1,7,4,6,3,8,5,3,8,4,2,1,5,7,0,6,7,5,6,3,0,8,2,1,4,6,4,5,1,8,3,0,7,2,1,7,0,6,2,4,5,3,8,8,2,3,5,7,0,6,4,1,4,3,7,8,5,2,1,6,0,5,6,8,0,3,1,4,2,7,0,1,2,4,6,7,8,5,3]}
+PUZZLE:
+_ _ 2  _ _ _  _ _ 6
+_ _ _  3 _ _  _ 1 _
+8 6 7  _ _ _  _ 2 _
+
+_ 5 _  2 _ _  _ _ 3
+_ _ _  _ _ _  6 4 9
+_ 3 _  _ _ 1  _ _ _
+
+5 _ 8  9 _ 3  _ 7 _
+6 _ _  _ 4 _  _ _ _
+_ _ _  5 _ _  _ _ _
+
+SOLUTION:
+3 1 2  8 5 7  4 9 6
+4 9 5  3 2 6  8 1 7
+8 6 7  4 1 9  3 2 5
+
+7 5 6  2 9 4  1 8 3
+2 8 1  7 3 5  6 4 9
+9 3 4  6 8 1  7 5 2
+
+5 4 8  9 6 3  2 7 1
+6 7 9  1 4 2  5 3 8
+1 2 3  5 7 8  9 6 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,5,2,0,null,null,null,6,null,null,null,null,null,3,null,4,0,7,null,1,null,null,null,0,null,null,2,3,null,null,null,null,null,7,null,null,1,null,null,null,null,null,null,null,8,null,7,4,null,2,6,null,null,null,null,3,8,null,null,3,null,7,null,null,null,null,null,1,null,null,null,null,null,null,null],"solution":[4,6,7,3,8,1,0,5,2,0,8,1,2,6,5,7,4,3,2,3,5,4,0,7,8,1,6,6,7,0,1,4,2,3,8,5,3,4,8,7,5,6,1,2,0,1,5,2,0,3,8,6,7,4,7,2,6,5,1,0,4,3,8,5,0,3,8,7,4,2,6,1,8,1,4,6,2,3,5,0,7]}
+PUZZLE:
+_ _ _  _ _ _  _ 6 3
+1 _ _  _ 7 _  _ _ _
+_ 4 _  5 1 8  _ 2 _
+
+_ _ 1  _ _ 3  4 _ _
+_ _ _  8 _ _  2 _ _
+_ _ _  _ _ 9  _ 8 5
+
+_ 3 7  _ _ _  _ 4 9
+_ _ 4  _ 8 _  _ _ _
+_ 2 _  _ _ _  _ _ _
+
+SOLUTION:
+5 7 8  4 9 2  1 6 3
+1 9 2  3 7 6  8 5 4
+3 4 6  5 1 8  9 2 7
+
+7 8 1  2 5 3  4 9 6
+4 5 9  8 6 7  2 3 1
+2 6 3  1 4 9  7 8 5
+
+8 3 7  6 2 1  5 4 9
+6 1 4  9 8 5  3 7 2
+9 2 5  7 3 4  6 1 8
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,5,null,null,1,null,null,1,2,null,null,null,8,null,null,null,6,7,null,null,null,null,null,7,null,null,null,null,6,null,1,null,3,null,null,4,null,null,null,2,null,2,null,null,null,null,1,null,null,0,5,null,7,null,6,3,null,null,4,null,null,2,null,null,null,null,3,null,null,null,null,5,null,null,null,null,null],"solution":[4,2,3,6,8,5,0,7,1,0,7,1,2,3,4,5,8,6,8,5,6,7,1,0,3,4,2,7,4,5,0,2,6,8,1,3,3,1,0,4,5,8,6,2,7,2,6,8,3,7,1,4,5,0,5,8,7,1,6,3,2,0,4,6,0,2,8,4,7,1,3,5,1,3,4,5,0,2,7,6,8]}
+PUZZLE:
+_ _ _  _ _ 6  _ _ 2
+_ _ 2  3 _ _  _ 9 _
+_ _ 7  8 _ _  _ _ _
+
+8 _ _  _ _ 7  _ 2 _
+4 _ _  5 _ _  _ 3 _
+3 _ _  _ _ 2  _ _ 1
+
+6 _ 8  _ 7 4  _ _ 5
+_ _ 3  _ _ _  _ 4 _
+_ _ _  6 _ _  _ _ _
+
+SOLUTION:
+5 3 4  7 9 6  1 8 2
+1 8 2  3 4 5  6 9 7
+9 6 7  8 2 1  4 5 3
+
+8 5 6  1 3 7  9 2 4
+4 2 1  5 6 9  7 3 8
+3 7 9  4 8 2  5 6 1
+
+6 9 8  2 7 4  3 1 5
+7 1 3  9 5 8  2 4 6
+2 4 5  6 1 3  8 7 9
+
+RATING: 1
+DATA:
+{"puzzle":[1,null,null,null,0,null,null,null,4,7,4,null,3,null,5,null,8,null,null,null,null,null,null,4,null,null,7,null,6,null,null,7,0,5,null,1,8,null,null,null,null,null,null,0,null,4,5,null,null,null,null,null,null,null,null,0,null,null,5,null,7,null,null,null,null,null,null,null,2,1,6,null,null,null,null,null,null,null,null,null,0],"solution":[1,3,2,7,0,8,6,5,4,7,4,6,3,1,5,0,8,2,0,8,5,6,2,4,3,1,7,2,6,3,8,7,0,5,4,1,8,1,7,5,4,6,2,0,3,4,5,0,2,3,1,8,7,6,6,0,1,4,5,3,7,2,8,3,7,4,0,8,2,1,6,5,5,2,8,1,6,7,4,3,0]}
+PUZZLE:
+2 _ _  _ 1 _  _ _ 5
+8 5 _  4 _ 6  _ 9 _
+_ _ _  _ _ 5  _ _ 8
+
+_ 7 _  _ 8 1  6 _ 2
+9 _ _  _ _ _  _ 1 _
+5 6 _  _ _ _  _ _ _
+
+_ 1 _  _ 6 _  8 _ _
+_ _ _  _ _ 3  2 7 _
+_ _ _  _ _ _  _ _ 1
+
+SOLUTION:
+2 4 3  8 1 9  7 6 5
+8 5 7  4 2 6  1 9 3
+1 9 6  7 3 5  4 2 8
+
+3 7 4  9 8 1  6 5 2
+9 2 8  6 5 7  3 1 4
+5 6 1  3 4 2  9 8 7
+
+7 1 2  5 6 4  8 3 9
+4 8 5  1 9 3  2 7 6
+6 3 9  2 7 8  5 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,null,null,null,null,null,6,null,5,null,null,null,6,null,null,2,null,null,2,1,3,null,null,0,null,null,null,1,null,0,null,null,null,5,5,8,6,null,2,null,null,null,1,4,null,null,null,null,null,null,null,null,null,2,null,null,6,null,null,null,3,null,null,null,0,null,4,null,null,null,null,null,null,null,null,null,null,7,null],"solution":[1,4,8,2,7,0,3,5,6,3,5,0,8,4,6,7,1,2,7,6,2,1,3,5,8,0,4,2,7,1,6,0,3,4,8,5,5,8,6,4,2,7,0,3,1,4,0,3,5,8,1,2,6,7,0,2,5,7,6,8,1,4,3,6,3,7,0,1,4,5,2,8,8,1,4,3,5,2,6,7,0]}
+PUZZLE:
+_ 5 _  _ _ _  _ _ 7
+_ 6 _  _ _ 7  _ _ 3
+_ _ 3  2 4 _  _ 1 _
+
+_ _ 2  _ 1 _  _ _ 6
+6 9 7  _ 3 _  _ _ 2
+5 _ _  _ _ _  _ _ _
+
+_ 3 _  _ 7 _  _ _ 4
+_ _ _  1 _ 5  _ _ _
+_ _ _  _ _ _  _ 8 _
+
+SOLUTION:
+2 5 9  3 8 1  4 6 7
+4 6 1  9 5 7  8 2 3
+8 7 3  2 4 6  9 1 5
+
+3 8 2  7 1 4  5 9 6
+6 9 7  5 3 8  1 4 2
+5 1 4  6 9 2  3 7 8
+
+1 3 6  8 7 9  2 5 4
+7 4 8  1 2 5  6 3 9
+9 2 5  4 6 3  7 8 1
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,7,null,0,null,null,null,null,null,3,4,3,null,null,null,8,null,null,null,null,null,null,null,null,3,7,null,null,null,2,null,null,null,5,null,1,0,null,null,1,null,null,null,null,null,null,null,null,null,null,4,null,null,null,6,null,1,4,null,null,6,5,0,null,null,null,5,null,8,null,null,4,null,null],"solution":[6,2,1,3,4,0,8,5,7,5,0,8,2,7,1,6,3,4,3,7,4,5,8,6,2,1,0,8,6,0,1,3,7,5,4,2,2,3,7,6,5,4,1,0,8,4,1,5,0,2,8,3,7,6,0,8,3,4,1,2,7,6,5,1,4,2,7,6,5,0,8,3,7,5,6,8,0,3,4,2,1]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 8
+_ 1 _  _ _ _  _ 4 5
+4 _ _  _ 9 _  _ _ _
+
+_ _ _  _ 4 8  _ _ _
+3 _ _  _ 6 _  2 1 _
+_ 2 _  _ _ _  _ _ _
+
+_ _ _  5 _ _  _ 7 _
+2 5 _  _ 7 6  1 _ _
+_ 6 _  9 _ _  5 _ _
+
+SOLUTION:
+7 3 2  4 5 1  9 6 8
+6 1 9  3 8 2  7 4 5
+4 8 5  6 9 7  3 2 1
+
+9 7 1  2 4 8  6 5 3
+3 4 8  7 6 5  2 1 9
+5 2 6  1 3 9  4 8 7
+
+1 9 4  5 2 3  8 7 6
+2 5 3  8 7 6  1 9 4
+8 6 7  9 1 4  5 3 2
+
+RATING: 5.25
+DATA:
+{"puzzle":[null,null,null,null,null,1,null,null,8,null,3,null,null,5,null,null,1,null,8,null,null,3,null,null,null,null,null,null,5,7,null,null,null,null,6,null,null,2,null,null,0,8,1,null,null,null,null,null,2,7,null,null,3,5,6,null,null,0,1,4,null,null,null,1,null,null,null,8,null,null,7,null,null,null,null,null,null,null,null,null,null],"solution":[7,6,0,4,2,1,3,5,8,2,3,4,8,5,0,7,1,6,8,1,5,3,6,7,4,2,0,0,5,7,1,4,3,8,6,2,3,2,6,5,0,8,1,4,7,4,8,1,2,7,6,0,3,5,6,7,2,0,1,4,5,8,3,1,0,3,6,8,5,2,7,4,5,4,8,7,3,2,6,0,1]}
+PUZZLE:
+_ _ _  _ _ 2  _ _ 9
+_ 4 _  _ 6 _  _ 2 _
+9 _ _  4 _ _  _ _ _
+
+_ 6 8  _ _ _  _ 7 _
+_ 3 _  _ 1 9  2 _ _
+_ _ _  3 8 _  _ 4 6
+
+7 _ _  1 2 5  _ _ _
+2 _ _  _ 9 _  _ 8 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+8 7 1  5 3 2  4 6 9
+3 4 5  9 6 1  8 2 7
+9 2 6  4 7 8  5 3 1
+
+1 6 8  2 5 4  9 7 3
+4 3 7  6 1 9  2 5 8
+5 9 2  3 8 7  1 4 6
+
+7 8 3  1 2 5  6 9 4
+2 1 4  7 9 6  3 8 5
+6 5 9  8 4 3  7 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,6,null,0,null,null,null,3,null,1,null,null,6,1,null,null,null,null,2,null,8,3,null,2,5,null,null,8,null,null,8,null,null,null,null,null,0,null,7,null,null,4,null,null,1,null,null,3,null,null,null,null,null,null,null,3,0,null,null,null,6,null,null,null,null,null,4,2,0,3,5,null,null,null,null],"solution":[2,7,5,8,1,0,3,6,4,0,4,8,2,3,6,1,7,5,6,1,3,7,4,5,2,0,8,3,0,2,5,6,7,8,4,1,8,6,1,4,2,3,0,5,7,7,5,4,0,8,1,6,2,3,5,8,6,1,7,2,4,3,0,1,3,7,6,0,4,5,8,2,4,2,0,3,5,8,7,1,6]}
+PUZZLE:
+_ _ _  _ _ _  _ 7 _
+1 _ _  _ 4 _  2 _ _
+7 2 _  _ _ _  3 _ 9
+
+4 _ 3  6 _ _  9 _ _
+9 _ _  _ _ _  1 _ 8
+_ _ 5  _ _ 2  _ _ 4
+
+_ _ _  _ _ _  _ 4 1
+_ _ _  7 _ _  _ _ _
+5 3 1  4 6 _  _ _ _
+
+SOLUTION:
+3 8 6  9 2 1  4 7 5
+1 5 9  3 4 7  2 8 6
+7 2 4  8 5 6  3 1 9
+
+4 1 3  6 7 8  9 5 2
+9 7 2  5 3 4  1 6 8
+8 6 5  1 9 2  7 3 4
+
+6 9 7  2 8 3  5 4 1
+2 4 8  7 1 5  6 9 3
+5 3 1  4 6 9  8 2 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,0,7,null,null,8,null,null,4,null,null,5,null,null,2,null,null,null,null,null,null,null,7,null,null,4,null,7,null,null,8,null,null,null,null,null,null,5,null,null,null,null,null,null,5,0,null,4,null,null,1,null,6,null,null,7,null,null,null,0,null,2,null,null,null,null,null,8,null,null,3,null,null,1,null,6,null,null,null],"solution":[5,2,1,0,7,4,3,8,6,7,4,6,8,5,3,1,2,0,0,8,3,2,6,1,7,4,5,4,3,7,6,1,8,0,5,2,1,6,2,5,0,7,4,3,8,8,5,0,3,4,2,6,1,7,6,1,4,7,8,5,2,0,3,2,7,5,4,3,0,8,6,1,3,0,8,1,2,6,5,7,4]}
+PUZZLE:
+_ _ 2  1 8 _  _ 9 _
+_ 5 _  _ 6 _  _ 3 _
+_ _ _  _ _ _  8 _ _
+
+5 _ 8  _ _ 9  _ _ _
+_ _ _  6 _ _  _ _ _
+_ 6 1  _ 5 _  _ 2 _
+
+7 _ _  8 _ _  _ 1 _
+3 _ _  _ _ _  9 _ _
+4 _ _  2 _ 7  _ _ _
+
+SOLUTION:
+6 3 2  1 8 5  4 9 7
+8 5 7  9 6 4  2 3 1
+1 9 4  3 7 2  8 5 6
+
+5 4 8  7 2 9  1 6 3
+2 7 3  6 1 8  5 4 9
+9 6 1  4 5 3  7 2 8
+
+7 2 5  8 9 6  3 1 4
+3 8 6  5 4 1  9 7 2
+4 1 9  2 3 7  6 8 5
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,1,null,null,null,8,4,6,5,null,6,null,null,1,null,null,null,null,null,null,null,2,null,null,null,null,null,null,0,3,null,null,1,null,null,null,8,3,5,null,null,null,null,null,null,null,null,null,null,null,4,null,2,null,7,null,null,null,null,3,0,null,null,null,null,8,null,null,null,null,null,0,3,null,null,null,null,2,8,null],"solution":[3,2,1,7,0,5,8,4,6,5,0,6,4,8,1,7,2,3,8,4,7,6,2,3,5,1,0,2,6,0,3,4,7,1,5,8,4,8,3,5,1,2,0,6,7,7,1,5,0,6,8,4,3,2,6,7,8,2,5,4,3,0,1,1,5,2,8,3,0,6,7,4,0,3,4,1,7,6,2,8,5]}
+PUZZLE:
+_ _ 2  _ _ _  9 5 7
+6 _ 7  _ _ 2  _ _ _
+_ _ _  _ 3 _  _ _ _
+
+_ _ 1  4 _ _  2 _ _
+_ 9 4  6 _ _  _ _ _
+_ _ _  _ _ _  5 _ 3
+
+_ 8 _  _ _ _  4 1 _
+_ _ _  9 _ _  _ _ _
+1 4 _  _ _ _  3 9 _
+
+SOLUTION:
+4 3 2  8 1 6  9 5 7
+6 1 7  5 9 2  8 3 4
+9 5 8  7 3 4  6 2 1
+
+3 7 1  4 5 8  2 6 9
+5 9 4  6 2 3  1 7 8
+8 2 6  1 7 9  5 4 3
+
+7 8 9  3 6 5  4 1 2
+2 6 3  9 4 1  7 8 5
+1 4 5  2 8 7  3 9 6
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,8,null,6,null,null,null,null,null,null,null,null,4,5,null,null,null,5,null,1,2,null,null,null,7,null,null,2,null,null,null,null,null,null,1,null,null,null,4,null,null,2,null,0,null,1,null,8,null,null,null,3,6,null,4,null,null,null,null,null,null,null,null,null,5,null,0,null,6,null,null,null,null,3,6,null,null,null,null,4],"solution":[4,7,8,1,6,3,0,2,5,2,3,0,7,4,5,1,6,8,5,6,1,2,8,0,4,7,3,8,2,7,0,3,6,5,4,1,3,5,6,4,7,1,2,8,0,0,1,4,8,5,2,7,3,6,6,4,2,5,1,8,3,0,7,7,8,5,3,0,4,6,1,2,1,0,3,6,2,7,8,5,4]}
+PUZZLE:
+_ _ 9  _ 7 _  _ _ _
+_ _ _  _ 5 6  _ _ _
+6 _ 2  3 _ _  _ 8 _
+
+_ 3 _  _ _ _  _ _ 2
+_ _ _  5 _ _  3 _ 1
+_ 2 _  9 _ _  _ 4 7
+
+_ 5 _  _ _ _  _ _ _
+_ _ 6  _ 1 _  7 _ _
+_ _ 4  7 _ _  _ _ 5
+
+SOLUTION:
+5 8 9  2 7 4  1 3 6
+3 4 1  8 5 6  2 7 9
+6 7 2  3 9 1  5 8 4
+
+9 3 8  1 4 7  6 5 2
+4 6 7  5 8 2  3 9 1
+1 2 5  9 6 3  8 4 7
+
+7 5 3  6 2 9  4 1 8
+8 9 6  4 1 5  7 2 3
+2 1 4  7 3 8  9 6 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,null,null,null,null,null,null,null,null,null,2,8,0,null,null,null,0,null,null,null,null,4,8,null,null,4,null,2,null,null,null,3,8,null,null,null,null,null,null,2,0,null,5,null,null,4,null,null,null,1,null,null,8,2,1,5,7,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,3,null,0,null,null,1],"solution":[8,5,3,0,7,4,1,6,2,1,6,4,5,2,8,0,7,3,2,0,7,6,3,1,4,8,5,7,4,0,2,1,6,5,3,8,3,1,6,7,8,5,2,0,4,5,2,8,4,0,3,6,1,7,6,8,2,1,5,7,3,4,0,0,3,1,8,4,2,7,5,6,4,7,5,3,6,0,8,2,1]}
+PUZZLE:
+_ _ 4  _ _ _  _ _ _
+_ _ _  _ 3 9  1 _ _
+_ 1 _  _ _ _  5 9 _
+
+_ 5 _  3 _ _  _ 4 9
+_ _ _  _ _ _  3 1 _
+6 _ _  5 _ _  _ 2 _
+
+_ 9 3  2 6 8  _ _ _
+_ _ _  _ _ _  _ _ 7
+_ _ _  4 _ 1  _ _ 2
+
+SOLUTION:
+9 6 4  1 8 5  2 7 3
+2 7 5  6 3 9  1 8 4
+3 1 8  7 4 2  5 9 6
+
+8 5 1  3 2 7  6 4 9
+4 2 7  8 9 6  3 1 5
+6 3 9  5 1 4  7 2 8
+
+7 9 3  2 6 8  4 5 1
+1 4 2  9 5 3  8 6 7
+5 8 6  4 7 1  9 3 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,3,null,null,null,null,2,0,null,null,null,4,null,2,null,null,null,8,null,null,null,null,null,6,null,1,null,4,2,null,null,8,null,null,5,null,null,null,0,null,null,0,6,null,7,null,null,1,null,7,null,1,null,null,8,null,null,null,5,2,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[0,1,7,5,6,4,2,3,8,3,6,8,2,0,1,7,5,4,4,2,5,3,7,8,0,1,6,5,3,6,8,1,0,4,2,7,7,8,1,4,5,2,3,6,0,2,4,0,6,3,7,5,8,1,6,7,4,1,2,3,8,0,5,8,5,2,0,4,6,1,7,3,1,0,3,7,8,5,6,4,2]}
+PUZZLE:
+_ 2 _  _ _ _  _ 4 _
+_ _ _  3 1 _  _ _ 5
+_ 3 _  _ _ 9  _ _ _
+
+_ _ 7  _ 2 _  5 3 _
+_ 9 _  _ 6 _  _ _ 1
+_ _ 1  7 _ 8  _ _ 2
+
+_ 8 _  2 _ _  9 _ _
+_ 6 3  _ 5 _  _ _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+1 2 8  6 7 5  3 4 9
+4 7 9  3 1 2  8 6 5
+5 3 6  4 8 9  1 2 7
+
+6 4 7  9 2 1  5 3 8
+8 9 2  5 6 3  4 7 1
+3 5 1  7 4 8  6 9 2
+
+7 8 5  2 3 4  9 1 6
+9 6 3  1 5 7  2 8 4
+2 1 4  8 9 6  7 5 3
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,1,0,null,null,null,null,null,null,null,5,null,null,null,3,null,1,null,8,null,null,7,null,null,2,6,null,null,null,null,1,null,null,3,4,null,null,null,null,null,null,6,8,null,null,1,7,null,0,null,null,null,null,null,null,null,null,5,null,null,null,null,8,null,null,3,null,4,null,null,2,null,null,null,null,null,null,null,1,null,null],"solution":[6,1,0,4,2,5,7,8,3,2,5,7,6,8,3,4,1,0,8,3,4,7,1,0,2,6,5,0,6,2,1,5,8,3,4,7,3,4,5,2,7,6,8,0,1,1,7,8,0,3,4,6,5,2,4,2,1,5,6,7,0,3,8,7,0,3,8,4,1,5,2,6,5,8,6,3,0,2,1,7,4]}
+PUZZLE:
+_ 2 1  _ _ _  _ _ _
+_ 6 _  _ _ 4  _ 2 _
+9 _ _  8 _ _  3 7 _
+
+_ _ _  2 _ _  4 5 _
+_ _ _  _ _ 7  9 _ _
+2 8 _  1 _ _  _ _ _
+
+_ _ _  6 _ _  _ _ 9
+_ _ 4  _ 5 _  _ 3 _
+_ _ _  _ _ _  2 _ _
+
+SOLUTION:
+7 2 1  5 3 6  8 9 4
+3 6 8  7 9 4  5 2 1
+9 4 5  8 2 1  3 7 6
+
+1 7 3  2 6 9  4 5 8
+4 5 6  3 8 7  9 1 2
+2 8 9  1 4 5  7 6 3
+
+5 3 2  6 7 8  1 4 9
+8 1 4  9 5 2  6 3 7
+6 9 7  4 1 3  2 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[5,null,null,null,null,3,null,null,null,8,3,7,null,5,4,null,null,null,null,null,null,null,null,null,null,null,7,null,5,2,6,null,null,null,8,null,null,null,null,4,0,null,null,null,1,6,1,null,null,null,null,null,7,null,null,6,null,2,null,null,null,null,3,null,null,null,null,4,8,6,null,null,null,8,null,null,null,null,null,null,null],"solution":[5,2,1,7,6,3,0,4,8,8,3,7,0,5,4,1,2,6,0,4,6,8,2,1,5,3,7,4,5,2,6,1,7,3,8,0,3,7,8,4,0,5,2,6,1,6,1,0,3,8,2,4,7,5,1,6,4,2,7,0,8,5,3,7,0,3,5,4,8,6,1,2,2,8,5,1,3,6,7,0,4]}
+PUZZLE:
+6 _ _  _ _ 4  _ _ _
+9 4 8  _ 6 5  _ _ _
+_ _ _  _ _ _  _ _ 8
+
+_ 6 3  7 _ _  _ 9 _
+_ _ _  5 1 _  _ _ 2
+7 2 _  _ _ _  _ 8 _
+
+_ 7 _  3 _ _  _ _ 4
+_ _ _  _ 5 9  7 _ _
+_ 9 _  _ _ _  _ _ _
+
+SOLUTION:
+6 3 2  8 7 4  1 5 9
+9 4 8  1 6 5  2 3 7
+1 5 7  9 3 2  6 4 8
+
+5 6 3  7 2 8  4 9 1
+4 8 9  5 1 6  3 7 2
+7 2 1  4 9 3  5 8 6
+
+2 7 5  3 8 1  9 6 4
+8 1 4  6 5 9  7 2 3
+3 9 6  2 4 7  8 1 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,1,null,null,0,null,null,null,null,7,null,8,null,null,1,null,8,null,null,null,6,null,null,7,null,null,null,null,null,null,0,null,8,null,5,4,null,null,3,null,null,4,null,2,null,5,null,null,null,null,null,null,null,5,null,null,null,2,null,null,4,null,null,null,null,null,null,null,null,null,null,2,6,3,4,7,null],"solution":[6,7,4,8,3,1,2,5,0,5,2,0,6,7,4,8,1,3,1,3,8,0,2,5,6,4,7,7,6,3,1,8,2,5,0,4,8,1,5,4,0,7,3,6,2,4,0,2,3,5,6,7,8,1,3,8,7,5,4,0,1,2,6,2,4,6,7,1,8,0,3,5,0,5,1,2,6,3,4,7,8]}
+PUZZLE:
+_ _ _  _ _ 2  _ _ 1
+_ _ _  _ 8 _  9 _ _
+2 _ 9  _ _ _  7 _ _
+
+8 _ _  _ _ _  _ 1 _
+9 _ 6  5 _ _  4 _ _
+5 _ 3  _ 6 _  _ _ _
+
+_ _ _  6 _ _  _ 3 _
+_ 5 _  _ _ _  _ _ _
+_ _ _  3 7 4  5 8 _
+
+SOLUTION:
+7 8 5  9 4 2  3 6 1
+6 3 1  7 8 5  9 2 4
+2 4 9  1 3 6  7 5 8
+
+8 7 4  2 9 3  6 1 5
+9 2 6  5 1 8  4 7 3
+5 1 3  4 6 7  8 9 2
+
+4 9 8  6 5 1  2 3 7
+3 5 7  8 2 9  1 4 6
+1 6 2  3 7 4  5 8 9
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,4,null,null,8,null,1,null,null,7,null,null,3,null,null,null,6,null,null,null,null,null,null,7,null,null,null,6,null,null,null,4,null,null,null,null,4,7,3,1,null,null,null,null,null,null,null,null,null,null,3,null,null,8,2,null,6,null,null,null,7,null,null,0,null,5,null,null,null,null,null,4,null,null,null,null,2,1,null,null],"solution":[6,5,4,0,7,8,2,1,3,0,7,2,1,3,5,4,8,6,3,1,8,4,2,6,7,0,5,1,6,3,8,5,4,0,2,7,2,4,7,3,1,0,6,5,8,5,8,0,2,6,7,3,4,1,8,2,1,6,0,3,5,7,4,7,0,6,5,4,1,8,3,2,4,3,5,7,8,2,1,6,0]}
+PUZZLE:
+_ _ 5  _ _ 9  _ 2 _
+_ 8 _  _ 4 _  _ _ 7
+_ _ _  _ _ _  8 _ _
+
+_ 7 _  _ _ 5  _ _ _
+_ 5 8  4 2 _  _ _ _
+_ _ _  _ _ _  4 _ _
+
+9 3 _  7 _ _  _ 8 _
+_ 1 _  6 _ _  _ _ _
+5 _ _  _ _ 3  2 _ _
+
+SOLUTION:
+7 6 5  1 8 9  3 2 4
+1 8 3  2 4 6  5 9 7
+4 2 9  5 3 7  8 1 6
+
+2 7 4  9 6 5  1 3 8
+3 5 8  4 2 1  7 6 9
+6 9 1  3 7 8  4 5 2
+
+9 3 2  7 1 4  6 8 5
+8 1 7  6 5 2  9 4 3
+5 4 6  8 9 3  2 7 1
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,4,null,null,null,2,null,null,6,0,null,null,4,null,null,3,null,7,null,null,null,null,7,3,null,null,null,null,null,5,5,2,null,null,null,null,6,null,null,null,null,6,null,null,0,null,8,null,null,null,null,null,null,null,null,null,7,null,6,8,null,null,null,null,null,null,2,null,null,null,null,4,null,null,null],"solution":[6,1,7,2,0,8,5,4,3,3,8,2,4,5,6,0,7,1,4,0,5,3,1,7,8,2,6,8,7,3,6,4,2,1,0,5,5,2,0,7,8,1,6,3,4,1,4,6,5,3,0,7,8,2,0,3,4,8,6,5,2,1,7,7,6,8,1,2,3,4,5,0,2,5,1,0,7,4,3,6,8]}
+PUZZLE:
+_ 2 _  _ _ _  _ 5 _
+_ _ 3  _ _ 7  1 _ _
+5 _ _  4 _ 8  _ _ _
+
+_ 8 4  _ _ _  _ _ 6
+6 3 _  _ _ _  7 _ _
+_ _ 7  _ _ 1  _ 9 _
+
+_ _ _  _ _ _  _ _ 8
+_ 7 9  _ _ _  _ _ _
+3 _ _  _ _ 5  _ _ _
+
+SOLUTION:
+7 2 8  3 1 9  6 5 4
+4 9 3  5 6 7  1 8 2
+5 1 6  4 2 8  9 3 7
+
+9 8 4  7 5 3  2 1 6
+6 3 1  8 9 2  7 4 5
+2 5 7  6 4 1  8 9 3
+
+1 4 5  9 7 6  3 2 8
+8 7 9  2 3 4  5 6 1
+3 6 2  1 8 5  4 7 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,6,null,null,null,5,null,null,2,null,null,null,null,8,null,0,5,null,null,null,null,null,null,null,null,8,null,null,null,5,null,6,null,4,null,null,3,4,null,null,null,null,5,null,7,null,0,null,2,null,null,3,3,null,2,null,null,null,null,null,null,null,null,null,null,null,7,0,null,null,null,4,null,null,null,5,2,null,null],"solution":[1,3,0,6,7,8,4,5,2,7,2,6,5,3,4,8,1,0,5,8,4,1,2,0,3,7,6,8,0,1,7,5,3,6,2,4,2,6,3,4,8,1,7,0,5,4,7,5,0,6,2,1,8,3,3,1,2,8,0,6,5,4,7,6,5,8,2,4,7,0,3,1,0,4,7,3,1,5,2,6,8]}
+PUZZLE:
+_ _ 1  7 _ _  _ 6 _
+_ 3 _  _ _ _  9 _ 1
+6 _ _  _ _ _  _ _ _
+
+9 _ _  _ 6 _  7 _ 5
+_ _ 4  5 _ _  _ _ 6
+_ 8 _  1 _ 3  _ _ 4
+
+4 _ 3  _ _ _  _ _ _
+_ _ _  _ _ 8  1 _ _
+_ 5 _  _ _ 6  3 _ _
+
+SOLUTION:
+2 4 1  7 8 9  5 6 3
+8 3 7  6 4 5  9 2 1
+6 9 5  2 3 1  4 8 7
+
+9 1 2  8 6 4  7 3 5
+3 7 4  5 9 2  8 1 6
+5 8 6  1 7 3  2 9 4
+
+4 2 3  9 1 7  6 5 8
+7 6 9  3 5 8  1 4 2
+1 5 8  4 2 6  3 7 9
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,5,null,null,null,null,7,0,null,null,2,4,null,null,null,null,null,null,null,null,null,null,3,1,null,null,null,null,null,null,null,null,3,5,null,null,3,null,null,6,null,null,null,null,null,7,null,null,2,4,null,null,null,1,null,4,null,null,null,7,null,null,null,0,8,3,null,null,null,null,null,4,null,null,0,null,null,null,1],"solution":[6,3,4,5,1,8,2,0,7,0,7,1,2,4,3,6,5,8,5,8,2,7,6,0,3,1,4,2,6,8,0,7,4,1,3,5,4,0,3,1,5,6,7,8,2,1,5,7,3,8,2,4,6,0,8,1,6,4,2,5,0,7,3,7,2,0,8,3,1,5,4,6,3,4,5,6,0,7,8,2,1]}
+PUZZLE:
+_ _ _  6 _ _  _ _ 8
+1 _ _  3 5 _  _ _ _
+_ _ _  _ _ _  4 2 _
+
+_ _ _  _ _ _  _ 4 6
+_ _ 4  _ _ 7  _ _ _
+_ _ 8  _ _ 3  5 _ _
+
+_ 2 _  5 _ _  _ 8 _
+_ _ 1  9 4 _  _ _ _
+_ 5 _  _ 1 _  _ _ 2
+
+SOLUTION:
+7 4 5  6 2 9  3 1 8
+1 8 2  3 5 4  7 6 9
+6 9 3  8 7 1  4 2 5
+
+3 7 9  1 8 5  2 4 6
+5 1 4  2 6 7  8 9 3
+2 6 8  4 9 3  5 7 1
+
+9 2 7  5 3 6  1 8 4
+8 3 1  9 4 2  6 5 7
+4 5 6  7 1 8  9 3 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,8,null,null,null,3,5,3,null,null,null,6,null,8,null,7,null,null,null,null,null,null,null,2,null,null,8,null,6,null,0,null,null,3,5,null,null,4,null,null,null,1,null,null,null,0,null,1,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,5,7,null,null,0,6,null,null,8,null,null,null],"solution":[0,6,2,4,8,7,1,5,3,5,3,1,2,0,6,4,8,7,7,8,4,3,1,5,6,0,2,1,2,8,7,6,3,0,4,5,3,5,0,8,4,2,7,6,1,6,4,7,0,5,1,2,3,8,4,7,5,1,3,0,8,2,6,8,1,3,6,2,4,5,7,0,2,0,6,5,7,8,3,1,4]}
+PUZZLE:
+_ _ _  5 9 _  _ _ 4
+6 4 _  _ _ 7  _ 9 _
+8 _ _  _ _ _  _ _ 3
+
+_ _ 9  _ 7 _  1 _ _
+4 6 _  _ 5 _  _ _ 2
+_ _ _  1 _ 2  _ _ _
+
+_ _ _  2 _ _  _ _ _
+_ _ _  _ _ _  6 8 _
+_ 1 7  _ _ 9  _ _ _
+
+SOLUTION:
+1 7 3  5 9 8  2 6 4
+6 4 2  3 1 7  5 9 8
+8 9 5  4 2 6  7 1 3
+
+2 3 9  8 7 4  1 5 6
+4 6 1  9 5 3  8 7 2
+7 5 8  1 6 2  3 4 9
+
+5 8 6  2 4 1  9 3 7
+9 2 4  7 3 5  6 8 1
+3 1 7  6 8 9  4 2 5
+
+RATING: 2
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,2,null,null,null,null,4,null,5,null,null,null,5,null,null,null,3,null,null,null,null,null,null,null,1,null,null,5,null,4,0,8,null,null,null,null,3,null,null,4,null,5,null,7,null,null,null,null,7,2,null,null,null,0,1,null,null,null,null,null,6,null,7,null,null,null,null,3,6,null,1,null,null,null,null],"solution":[3,1,7,8,0,6,4,2,5,6,0,8,4,2,5,7,3,1,5,4,2,7,3,1,6,8,0,2,7,3,1,6,8,5,0,4,0,8,1,5,4,2,3,7,6,4,6,5,0,7,3,8,1,2,7,2,4,3,5,0,1,6,8,1,5,0,6,8,7,2,4,3,8,3,6,2,1,4,0,5,7]}
+PUZZLE:
+_ 2 _  _ _ _  _ 3 _
+_ _ _  5 _ 6  _ _ _
+6 _ _  _ 4 _  _ _ _
+
+_ _ _  2 _ _  6 _ 5
+1 9 _  _ _ _  4 _ _
+5 _ 6  _ 8 _  _ _ _
+
+8 3 _  _ _ 1  2 _ _
+_ _ _  7 _ 8  _ _ _
+_ 4 7  _ 2 _  _ _ _
+
+SOLUTION:
+4 2 8  9 1 7  5 3 6
+7 1 9  5 3 6  8 4 2
+6 5 3  8 4 2  7 9 1
+
+3 8 4  2 7 9  6 1 5
+1 9 2  6 5 3  4 8 7
+5 7 6  1 8 4  9 2 3
+
+8 3 5  4 6 1  2 7 9
+2 6 1  7 9 8  3 5 4
+9 4 7  3 2 5  1 6 8
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,0,null,null,6,4,null,null,null,6,7,null,null,null,null,null,4,5,null,null,null,8,null,0,null,null,null,8,null,null,3,null,null,null,null,null,3,4,null,null,null,2,1,null,null,null,null,5,null,3,null,null,null,1,2,null,null,null,0,5,null,null,null,null,null,2,4,null,null,8,null,null,null,null,null,7,null,null,null],"solution":[2,8,1,0,3,5,6,4,7,3,0,6,7,4,1,5,8,2,4,5,7,2,6,8,1,0,3,0,2,8,6,1,3,4,7,5,5,6,3,4,7,0,8,2,1,1,7,4,8,5,2,3,6,0,7,1,2,3,8,6,0,5,4,6,3,0,5,2,4,7,1,8,8,4,5,1,0,7,2,3,6]}
+PUZZLE:
+_ _ _  1 _ _  7 5 _
+_ _ 7  8 _ _  _ _ _
+5 6 _  _ _ 9  _ 1 _
+
+_ _ 9  _ _ 4  _ _ _
+_ _ 4  5 _ _  _ 3 2
+_ _ _  _ 6 _  4 _ _
+
+_ 2 3  _ _ _  1 6 _
+_ _ _  _ 3 5  _ _ 9
+_ _ _  _ _ 8  _ _ _
+
+SOLUTION:
+3 9 2  1 4 6  7 5 8
+4 1 7  8 5 2  6 9 3
+5 6 8  3 7 9  2 1 4
+
+1 3 9  7 2 4  5 8 6
+6 7 4  5 8 1  9 3 2
+2 8 5  9 6 3  4 7 1
+
+8 2 3  4 9 7  1 6 5
+7 4 1  6 3 5  8 2 9
+9 5 6  2 1 8  3 4 7
+
+RATING: 2
+DATA:
+{"puzzle":[3,null,null,2,null,null,1,8,7,null,null,null,1,null,null,null,4,null,null,null,null,null,null,null,null,5,3,null,null,6,null,null,4,null,null,5,null,null,5,null,null,8,null,null,2,null,null,null,0,5,null,3,7,null,null,null,1,null,3,null,null,null,null,null,null,null,null,null,null,8,null,null,2,6,null,5,4,null,null,null,null],"solution":[3,4,0,2,6,5,1,8,7,6,5,7,1,8,3,2,4,0,8,1,2,4,0,7,6,5,3,7,8,6,3,2,4,0,1,5,0,3,5,7,1,8,4,6,2,1,2,4,0,5,6,3,7,8,4,7,1,8,3,2,5,0,6,5,0,3,6,7,1,8,2,4,2,6,8,5,4,0,7,3,1]}
+PUZZLE:
+4 _ _  3 _ _  2 9 8
+_ _ _  2 _ _  _ 5 _
+_ _ _  _ _ _  _ 6 4
+
+_ _ 7  _ _ 5  _ _ 6
+_ _ 6  _ _ 9  _ _ 3
+_ _ _  1 6 _  4 8 _
+
+_ _ 2  _ 4 _  _ _ _
+_ _ _  _ _ _  9 _ _
+3 7 _  6 5 _  _ _ _
+
+SOLUTION:
+4 5 1  3 7 6  2 9 8
+7 6 8  2 9 4  3 5 1
+9 2 3  5 1 8  7 6 4
+
+8 9 7  4 3 5  1 2 6
+1 4 6  8 2 9  5 7 3
+2 3 5  1 6 7  4 8 9
+
+5 8 2  9 4 3  6 1 7
+6 1 4  7 8 2  9 3 5
+3 7 9  6 5 1  8 4 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,5,4,null,0,null,3,null,null,null,null,null,null,8,7,null,null,null,null,null,3,2,5,null,null,null,null,null,null,1,null,null,null,null,null,5,null,null,0,8,null,6,4,0,null,null,null,null,7,4,null,null,2,null,1,null,null,null,null,1,null,null,3,null,7,null,null,null,null,8,null,null,null,null,null,null],"solution":[1,2,6,8,7,3,5,4,0,0,4,3,5,2,6,8,7,1,8,7,5,1,0,4,6,3,2,5,8,0,3,4,7,2,1,6,7,3,1,6,5,2,4,0,8,2,6,4,0,1,8,3,5,7,4,5,7,2,8,1,0,6,3,6,1,2,4,3,0,7,8,5,3,0,8,7,6,5,1,2,4]}
+PUZZLE:
+_ _ _  _ _ _  6 5 _
+1 _ 4  _ _ _  _ _ _
+9 8 _  _ _ _  _ 4 3
+
+6 _ _  _ _ _  _ 2 _
+_ _ _  _ 6 _  _ 1 9
+_ 7 5  1 _ _  _ _ 8
+
+5 _ _  3 _ 2  _ _ _
+_ 2 _  _ 4 _  8 _ _
+_ _ 9  _ _ _  _ _ _
+
+SOLUTION:
+2 3 7  9 8 4  6 5 1
+1 5 4  6 3 7  9 8 2
+9 8 6  2 1 5  7 4 3
+
+6 9 1  4 5 8  3 2 7
+8 4 2  7 6 3  5 1 9
+3 7 5  1 2 9  4 6 8
+
+5 6 8  3 9 2  1 7 4
+7 2 3  5 4 1  8 9 6
+4 1 9  8 7 6  2 3 5
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,5,null,8,null,null,null,3,null,null,null,1,null,null,null,null,null,null,5,null,null,null,2,8,7,null,4,1,null,null,2,null,0,6,null,null,null,3,null,null,null,null,2,7,2,null,null,null,null,null,null,1,5,null,null,null,null,6,null,null,null,null,null,null,null,4,null,0,null,null,null,null,null,2,null,3,null,7,null],"solution":[6,7,4,5,2,8,1,3,0,3,8,2,0,1,7,5,6,4,1,0,5,6,3,4,2,8,7,8,4,1,7,5,2,3,0,6,0,5,6,3,8,1,7,4,2,7,2,3,4,6,0,8,5,1,5,3,0,1,7,6,4,2,8,2,6,7,8,4,5,0,1,3,4,1,8,2,0,3,6,7,5]}
+PUZZLE:
+_ _ _  6 _ 9  _ _ _
+4 _ _  _ 2 _  _ _ _
+_ _ 6  _ _ _  3 9 8
+
+_ 5 2  _ _ 3  _ 1 7
+_ _ _  4 _ _  _ _ 3
+8 3 _  _ _ _  _ _ 2
+
+6 _ _  _ _ 7  _ _ _
+_ _ _  _ 5 _  1 _ _
+_ _ _  3 _ 4  _ 8 _
+
+SOLUTION:
+7 8 5  6 3 9  2 4 1
+4 9 3  1 2 8  6 7 5
+2 1 6  7 4 5  3 9 8
+
+9 5 2  8 6 3  4 1 7
+1 6 7  4 9 2  8 5 3
+8 3 4  5 7 1  9 6 2
+
+6 4 1  2 8 7  5 3 9
+3 7 8  9 5 6  1 2 4
+5 2 9  3 1 4  7 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[6,null,8,null,null,null,null,1,null,null,null,1,null,null,null,7,8,5,null,null,0,4,null,1,null,null,null,5,null,null,null,null,null,null,null,null,0,6,7,null,null,null,null,null,null,null,null,null,null,7,null,6,5,null,null,null,null,null,6,null,null,2,null,4,null,null,null,3,null,null,null,1,null,null,null,null,0,5,null,6,3],"solution":[6,2,8,3,5,7,0,1,4,3,4,1,6,2,0,7,8,5,7,5,0,4,8,1,2,3,6,5,8,3,2,4,6,1,0,7,0,6,7,5,1,8,3,4,2,2,1,4,0,7,3,6,5,8,1,3,5,7,6,4,8,2,0,4,0,6,8,3,2,5,7,1,8,7,2,1,0,5,4,6,3]}
+PUZZLE:
+7 _ 9  _ _ _  _ 2 _
+_ _ 2  _ _ _  8 9 6
+_ _ 1  5 _ 2  _ _ _
+
+6 _ _  _ _ _  _ _ _
+1 7 8  _ _ _  _ _ _
+_ _ _  _ 8 _  7 6 _
+
+_ _ _  _ 7 _  _ 3 _
+5 _ _  _ 4 _  _ _ 2
+_ _ _  _ 1 6  _ 7 4
+
+SOLUTION:
+7 3 9  4 6 8  1 2 5
+4 5 2  7 3 1  8 9 6
+8 6 1  5 9 2  3 4 7
+
+6 9 4  3 5 7  2 1 8
+1 7 8  6 2 9  4 5 3
+3 2 5  1 8 4  7 6 9
+
+2 4 6  8 7 5  9 3 1
+5 1 7  9 4 3  6 8 2
+9 8 3  2 1 6  5 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,6,4,null,null,null,null,null,null,2,null,null,null,4,null,7,null,7,null,null,null,1,8,null,6,null,5,6,null,null,null,null,null,null,null,null,7,null,1,8,null,3,null,null,1,3,null,null,null,0,null,4,null,null,null,null,null,null,null,7,0,null,null,null,2,null,3,null,null,null,null,null,null,0,7,4,5,null,null],"solution":[0,8,1,6,4,7,3,2,5,6,3,2,8,0,5,4,1,7,5,7,4,3,2,1,8,0,6,2,5,6,4,3,0,7,8,1,4,0,7,5,1,8,6,3,2,8,1,3,7,6,2,0,5,4,3,4,5,1,8,6,2,7,0,7,6,0,2,5,3,1,4,8,1,2,8,0,7,4,5,6,3]}
+PUZZLE:
+_ _ _  7 5 _  _ _ _
+_ _ 3  _ _ _  5 _ 8
+_ 8 _  _ _ 2  9 _ 7
+
+_ 6 7  _ _ _  _ _ _
+_ _ 8  _ 2 9  _ 4 _
+_ 2 4  _ _ _  1 _ 5
+
+_ _ _  _ _ _  _ 8 1
+_ _ _  3 _ 4  _ _ _
+_ _ _  1 8 5  6 _ _
+
+SOLUTION:
+1 9 2  7 5 8  4 3 6
+7 4 3  9 1 6  5 2 8
+6 8 5  4 3 2  9 1 7
+
+3 6 7  5 4 1  8 9 2
+5 1 8  6 2 9  7 4 3
+9 2 4  8 7 3  1 6 5
+
+4 5 6  2 9 7  3 8 1
+8 7 1  3 6 4  2 5 9
+2 3 9  1 8 5  6 7 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[7,null,null,null,1,null,4,null,null,4,null,2,null,null,null,null,3,null,null,null,0,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,4,6,null,null,null,0,null,null,null,null,null,3,null,0,null,null,5,2,null,null,8,0,null,null,7,null,null,null,3,2,null,null,5,null,null,0,null,null,1,null,null,3,null,null],"solution":[7,3,5,6,1,8,4,2,0,4,6,2,0,5,7,8,3,1,1,8,0,4,3,2,6,5,7,3,0,7,5,8,6,2,1,4,5,4,6,7,2,1,0,8,3,8,2,1,3,4,0,7,6,5,2,5,4,8,0,3,1,7,6,6,1,3,2,7,4,5,0,8,0,7,8,1,6,5,3,4,2]}
+PUZZLE:
+8 _ _  _ 2 _  5 _ _
+5 _ 3  _ _ _  _ 4 _
+_ _ 1  _ _ _  7 _ _
+
+_ _ _  _ _ _  _ _ _
+_ 5 7  _ _ _  1 _ _
+_ _ _  4 _ 1  _ _ 6
+
+3 _ _  9 1 _  _ 8 _
+_ _ 4  3 _ _  6 _ _
+1 _ _  2 _ _  4 _ _
+
+SOLUTION:
+8 4 6  7 2 9  5 3 1
+5 7 3  1 6 8  9 4 2
+2 9 1  5 4 3  7 6 8
+
+4 1 8  6 9 7  3 2 5
+6 5 7  8 3 2  1 9 4
+9 3 2  4 5 1  8 7 6
+
+3 6 5  9 1 4  2 8 7
+7 2 4  3 8 5  6 1 9
+1 8 9  2 7 6  4 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,2,null,7,null,null,null,null,8,5,null,1,null,null,null,null,null,null,null,null,null,0,null,null,null,null,3,null,null,null,5,7,null,0,null,null,null,null,null,null,2,null,null,null,null,1,6,null,null,null,null,null,3,1,null,null,null,null,null,4,5,null,4,null,null,null,null,null,null,null,0,5,null,null,null,null,0,3,8,null],"solution":[6,0,2,4,7,3,8,1,5,8,5,4,1,2,6,0,3,7,7,3,1,8,0,5,2,6,4,3,4,8,6,5,7,1,0,2,0,7,5,3,1,2,6,4,8,2,1,6,0,8,4,5,7,3,1,2,0,7,3,8,4,5,6,4,8,3,5,6,1,7,2,0,5,6,7,2,4,0,3,8,1]}
+PUZZLE:
+_ 1 3  _ 8 _  _ _ _
+9 6 _  2 _ _  _ _ _
+_ _ _  _ 1 _  _ _ _
+
+4 _ _  _ 6 8  _ 1 _
+_ _ _  _ _ 3  _ _ _
+_ 2 7  _ _ _  _ _ 4
+
+2 _ _  _ _ _  5 6 _
+5 _ _  _ _ _  _ _ 1
+6 _ _  _ _ 1  4 9 _
+
+SOLUTION:
+7 1 3  5 8 4  9 2 6
+9 6 5  2 3 7  1 4 8
+8 4 2  9 1 6  3 7 5
+
+4 5 9  7 6 8  2 1 3
+1 8 6  4 2 3  7 5 9
+3 2 7  1 9 5  6 8 4
+
+2 3 1  8 4 9  5 6 7
+5 9 4  6 7 2  8 3 1
+6 7 8  3 5 1  4 9 2
+
+RATING: 0
+DATA:
+{"puzzle":[0,null,null,6,null,1,null,null,4,null,null,6,null,0,null,null,3,null,null,null,1,null,null,null,5,null,null,null,3,null,null,8,null,null,5,null,null,5,null,null,4,2,null,null,null,null,null,null,null,null,null,8,null,null,6,null,null,null,null,7,null,null,8,null,null,4,null,null,3,2,null,null,null,0,null,null,null,null,null,4,null],"solution":[0,2,5,6,3,1,7,8,4,7,4,6,8,0,5,1,3,2,3,8,1,2,7,4,5,6,0,2,3,0,7,8,6,4,5,1,1,5,8,3,4,2,0,7,6,4,6,7,5,1,0,8,2,3,6,1,2,4,5,7,3,0,8,8,7,4,0,6,3,2,1,5,5,0,3,1,2,8,6,4,7]}
+PUZZLE:
+1 _ _  7 _ 2  _ _ 5
+_ _ 7  _ 1 _  _ 4 _
+_ _ 2  _ _ _  6 _ _
+
+_ 4 _  _ 9 _  _ 6 _
+_ 6 _  _ 5 3  _ _ _
+_ _ _  _ _ _  9 _ _
+
+7 _ _  _ _ 8  _ _ 9
+_ _ 5  _ _ 4  3 _ _
+_ 1 _  _ _ _  _ 5 _
+
+SOLUTION:
+1 3 6  7 4 2  8 9 5
+8 5 7  9 1 6  2 4 3
+4 9 2  3 8 5  6 7 1
+
+3 4 1  8 9 7  5 6 2
+2 6 9  4 5 3  1 8 7
+5 7 8  6 2 1  9 3 4
+
+7 2 3  5 6 8  4 1 9
+9 8 5  1 7 4  3 2 6
+6 1 4  2 3 9  7 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,3,null,2,null,null,7,2,null,null,7,6,null,null,null,null,null,null,null,null,null,5,null,null,3,null,null,3,null,null,null,null,null,null,0,null,5,null,8,7,null,null,4,null,4,2,null,null,null,1,null,5,null,null,null,null,5,null,null,4,null,null,null,null,null,null,6,7,null,null,null,6,null,null,null,null,null,0,null],"solution":[4,5,0,3,1,2,6,8,7,2,3,1,7,6,8,4,5,0,7,8,6,4,0,5,2,1,3,6,7,3,5,4,1,0,2,8,0,1,5,2,8,7,3,6,4,8,4,2,6,3,0,1,7,5,1,2,7,0,5,3,8,4,6,5,0,4,8,2,6,7,3,1,3,6,8,1,7,4,5,0,2]}
+PUZZLE:
+_ _ 1  4 _ 3  _ _ 8
+3 _ _  8 7 _  _ _ _
+_ _ _  _ _ 6  _ _ 4
+
+_ _ 4  _ _ _  _ _ _
+1 _ 6  _ 9 8  _ _ 5
+_ 5 3  _ _ _  2 _ 6
+
+_ _ _  _ 6 _  _ 5 _
+_ _ _  _ _ 7  8 _ _
+_ 7 _  _ _ _  _ 1 _
+
+SOLUTION:
+5 6 1  4 2 3  7 9 8
+3 4 2  8 7 9  5 6 1
+8 9 7  5 1 6  3 2 4
+
+7 8 4  6 5 2  1 3 9
+1 2 6  3 9 8  4 7 5
+9 5 3  7 4 1  2 8 6
+
+2 3 8  1 6 4  9 5 7
+6 1 5  9 3 7  8 4 2
+4 7 9  2 8 5  6 1 3
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,5,null,null,null,null,null,null,8,1,null,null,null,5,7,null,null,null,7,null,null,null,null,null,null,8,null,null,null,4,6,8,3,null,null,null,5,null,null,0,null,null,7,null,null,null,null,null,3,null,0,null,4,7,0,null,null,null,null,null,null,null,null,null,1,null,4,null,null,null,2,null,6,2,null,null,null,null,null,null],"solution":[2,4,5,8,7,3,1,6,0,8,1,0,6,2,5,7,4,3,6,7,3,0,1,4,2,5,8,0,2,7,4,6,8,3,1,5,3,5,4,1,0,2,8,7,6,1,8,6,5,3,7,0,2,4,7,0,8,2,5,6,4,3,1,5,3,1,7,4,0,6,8,2,4,6,2,3,8,1,5,0,7]}
+PUZZLE:
+_ _ 6  _ _ _  _ _ _
+9 2 _  _ _ 6  8 _ _
+_ 8 _  _ _ _  _ _ 9
+
+_ _ _  5 7 9  4 _ _
+_ 6 _  _ 1 _  _ 8 _
+_ _ _  _ 4 _  1 _ 5
+
+8 1 _  _ _ _  _ _ _
+_ _ 2  _ 5 _  _ _ 3
+_ 7 3  _ _ _  _ _ _
+
+SOLUTION:
+3 5 6  9 8 4  2 7 1
+9 2 1  7 3 6  8 5 4
+7 8 4  1 2 5  3 6 9
+
+1 3 8  5 7 9  4 2 6
+4 6 5  2 1 3  9 8 7
+2 9 7  6 4 8  1 3 5
+
+8 1 9  3 6 7  5 4 2
+6 4 2  8 5 1  7 9 3
+5 7 3  4 9 2  6 1 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,0,null,null,null,null,null,8,null,5,6,null,null,null,4,4,null,1,7,null,null,null,null,6,3,null,null,null,null,null,null,2,null,null,null,7,null,8,null,5,3,null,1,5,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,5,null,null,3,4,null,null,null,4,null,null,null,null,8,null,null],"solution":[5,7,6,3,0,4,1,8,2,0,8,2,5,6,1,3,7,4,4,3,1,7,2,8,0,5,6,3,0,4,1,7,5,6,2,8,2,6,7,4,8,0,5,3,1,1,5,8,2,3,6,7,4,0,8,1,3,0,4,7,2,6,5,6,2,5,8,1,3,4,0,7,7,4,0,6,5,2,8,1,3]}
+PUZZLE:
+_ _ _  _ 1 _  _ _ _
+_ 9 _  6 7 _  _ _ 5
+5 _ 2  8 _ _  _ _ 7
+
+4 _ _  _ _ _  _ 3 _
+_ _ 8  _ 9 _  6 4 _
+2 6 _  3 _ _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+7 _ 6  _ _ 4  5 _ _
+_ 5 _  _ _ _  9 _ _
+
+SOLUTION:
+6 8 7  4 1 5  2 9 3
+1 9 3  6 7 2  4 8 5
+5 4 2  8 3 9  1 6 7
+
+4 1 5  2 8 6  7 3 9
+3 7 8  5 9 1  6 4 2
+2 6 9  3 4 7  8 5 1
+
+9 2 4  1 5 8  3 7 6
+7 3 6  9 2 4  5 1 8
+8 5 1  7 6 3  9 2 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,3,null,7,null,8,1,null,null,null,0,null,null,1,null,null,4,8,null,null,null,null,6,2,null,null,null,null,5,null,null,null,7,6,null,null,null,null,null,1,null,null,null,5,null,3,null,2,null,null,1,null,null,null,6,null,0,null,2,null,null,null,null,null,null,null,null,null,3,null,null,null,null,8,null,null,7,null,null,null],"solution":[6,2,3,5,7,4,8,1,0,5,7,0,8,2,1,6,3,4,8,4,1,3,0,6,2,5,7,2,1,5,4,8,0,7,6,3,0,8,6,7,1,3,4,2,5,7,3,4,2,6,5,1,0,8,3,6,7,0,4,2,5,8,1,4,0,2,1,5,8,3,7,6,1,5,8,6,3,7,0,4,2]}
+PUZZLE:
+_ _ 4  _ 8 _  9 2 _
+_ _ 1  _ _ 2  _ _ 5
+9 _ _  _ _ 7  3 _ _
+
+_ _ 6  _ _ _  8 7 _
+_ _ _  _ 2 _  _ _ 6
+_ 4 _  3 _ _  2 _ _
+
+_ 7 _  1 _ 3  _ _ _
+_ _ _  _ _ _  4 _ _
+_ _ 9  _ _ 8  _ _ _
+
+SOLUTION:
+7 3 4  6 8 5  9 2 1
+6 8 1  9 3 2  7 4 5
+9 5 2  4 1 7  3 6 8
+
+3 2 6  5 9 1  8 7 4
+1 9 7  8 2 4  5 3 6
+8 4 5  3 7 6  2 1 9
+
+4 7 8  1 5 3  6 9 2
+5 1 3  2 6 9  4 8 7
+2 6 9  7 4 8  1 5 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,0,null,2,null,6,null,6,3,null,null,2,null,1,8,null,null,null,8,null,null,null,null,null,null,null,6,null,null,0,3,null,null,null,2,7,4,null,null,null,null,null,null,5,null,null,null,null,null,null,null,5,4,null,0,1,null,null,7,null,1,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,4,null],"solution":[4,8,5,1,0,7,2,3,6,7,6,3,5,4,2,0,1,8,2,0,1,8,3,6,4,5,7,8,1,6,7,5,0,3,2,4,0,2,7,4,8,3,1,6,5,3,5,4,6,2,1,7,8,0,5,4,2,0,1,8,6,7,3,1,7,8,3,6,4,5,0,2,6,3,0,2,7,5,8,4,1]}
+PUZZLE:
+_ _ _  _ 1 _  3 _ 7
+_ 7 4  _ _ 3  _ 2 9
+_ _ _  9 _ _  _ _ _
+
+_ _ 7  _ _ 1  4 _ _
+_ 3 8  5 _ _  _ _ _
+_ 6 _  _ _ _  _ _ _
+
+6 5 _  1 2 _  _ 8 _
+2 _ _  _ 7 _  _ _ _
+_ _ _  _ _ _  _ 5 _
+
+SOLUTION:
+5 9 6  2 1 8  3 4 7
+8 7 4  6 5 3  1 2 9
+3 1 2  9 4 7  5 6 8
+
+9 2 7  8 6 1  4 3 5
+1 3 8  5 9 4  2 7 6
+4 6 5  7 3 2  8 9 1
+
+6 5 3  1 2 9  7 8 4
+2 8 9  4 7 5  6 1 3
+7 4 1  3 8 6  9 5 2
+
+RATING: 1.25
+DATA:
+{"puzzle":[8,null,null,null,null,null,null,null,null,null,4,null,null,null,5,null,null,6,7,5,null,6,null,null,4,2,0,null,null,null,null,null,null,3,1,null,null,null,null,null,7,null,null,null,null,2,null,null,null,4,null,null,0,null,null,2,0,7,null,null,null,null,1,null,null,4,null,3,null,null,null,null,null,null,8,null,0,2,null,null,null],"solution":[8,0,6,4,2,7,1,5,3,3,4,2,0,1,5,7,8,6,7,5,1,6,8,3,4,2,0,4,6,7,2,5,0,3,1,8,0,1,3,8,7,6,2,4,5,2,8,5,3,4,1,6,0,7,5,2,0,7,6,4,8,3,1,1,7,4,5,3,8,0,6,2,6,3,8,1,0,2,5,7,4]}
+PUZZLE:
+9 _ _  _ _ _  _ _ _
+_ 5 _  _ _ 6  _ _ 7
+8 6 _  7 _ _  5 3 1
+
+_ _ _  _ _ _  4 2 _
+_ _ _  _ 8 _  _ _ _
+3 _ _  _ 5 _  _ 1 _
+
+_ 3 1  8 _ _  _ _ 2
+_ _ 5  _ 4 _  _ _ _
+_ _ 9  _ 1 3  _ _ _
+
+SOLUTION:
+9 1 7  5 3 8  2 6 4
+4 5 3  1 2 6  8 9 7
+8 6 2  7 9 4  5 3 1
+
+5 7 8  3 6 1  4 2 9
+1 2 4  9 8 7  3 5 6
+3 9 6  4 5 2  7 1 8
+
+6 3 1  8 7 5  9 4 2
+2 8 5  6 4 9  1 7 3
+7 4 9  2 1 3  6 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,0,7,null,6,null,null,null,2,1,null,null,null,null,null,null,null,null,null,null,null,3,null,0,null,1,7,null,null,null,null,null,null,null,3,null,null,6,5,null,null,6,null,null,null,8,null,null,null,null,null,7,5,null,null,null,null,2,null,8,null,null,null,0,5,null,null,null,null,4,null,null,null,null,null,null],"solution":[1,5,2,4,8,3,0,7,6,6,3,0,7,2,1,4,8,5,7,4,8,6,0,5,1,2,3,4,0,5,1,7,6,2,3,8,8,7,1,3,4,2,6,5,0,2,6,3,0,5,8,7,1,4,0,1,7,5,3,4,8,6,2,3,8,6,2,1,0,5,4,7,5,2,4,8,6,7,3,0,1]}
+PUZZLE:
+_ _ _  5 _ _  1 8 _
+7 _ _  _ 3 2  _ _ _
+_ _ _  _ _ _  _ _ 4
+
+_ 1 _  2 8 _  _ _ _
+_ _ _  4 _ _  7 6 _
+_ 7 _  _ _ 9  _ _ _
+
+_ _ 8  6 _ _  _ _ 3
+_ 9 _  _ _ 1  6 _ _
+_ _ 5  _ _ _  _ _ _
+
+SOLUTION:
+2 6 3  5 9 4  1 8 7
+7 4 1  8 3 2  5 9 6
+8 5 9  7 1 6  2 3 4
+
+5 1 6  2 8 7  3 4 9
+9 8 2  4 5 3  7 6 1
+3 7 4  1 6 9  8 2 5
+
+1 2 8  6 4 5  9 7 3
+4 9 7  3 2 1  6 5 8
+6 3 5  9 7 8  4 1 2
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,null,null,null,1,null,2,7,null,5,null,1,7,2,null,null,8,4,0,null,null,null,null,null,null,null,null,null,null,8,5,null,null,null,null,6,null,null,null,8,6,1,null,null,null,null,null,null,null,null,null,null,4,null,8,null,null,null,null,null,7,null,null,null,0,2,null,null,null,null,null,5,null,null,null,null,null,4,6,2,null],"solution":[4,8,6,0,1,5,2,7,3,5,3,1,7,2,6,0,8,4,0,2,7,4,3,8,5,6,1,3,7,8,5,4,2,1,0,6,2,4,0,8,6,1,3,5,7,6,1,5,3,7,0,8,4,2,8,6,4,2,5,3,7,1,0,1,0,2,6,8,7,4,3,5,7,5,3,1,0,4,6,2,8]}
+PUZZLE:
+_ _ _  _ 2 _  3 8 _
+6 _ 2  8 3 _  _ 9 5
+1 _ _  _ _ _  _ _ _
+
+_ _ 9  6 _ _  _ _ 7
+_ _ _  9 7 2  _ _ _
+_ _ _  _ _ _  _ 5 _
+
+9 _ _  _ _ _  8 _ _
+_ 1 3  _ _ _  _ _ 6
+_ _ _  _ _ 5  7 3 _
+
+SOLUTION:
+5 9 7  1 2 6  3 8 4
+6 4 2  8 3 7  1 9 5
+1 3 8  5 4 9  6 7 2
+
+4 8 9  6 5 3  2 1 7
+3 5 1  9 7 2  4 6 8
+7 2 6  4 8 1  9 5 3
+
+9 7 5  3 6 4  8 2 1
+2 1 3  7 9 8  5 4 6
+8 6 4  2 1 5  7 3 9
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,6,1,7,null,2,null,null,null,null,null,null,null,4,null,1,null,5,null,null,null,null,0,null,null,null,7,4,0,2,1,null,8,null,null,null,8,null,null,null,2,null,5,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,3,null,2,null,null,null,0,8,3,null,null,null,null,null,0,null,null,null,null,null,4],"solution":[5,6,1,7,3,2,4,8,0,0,2,7,8,4,6,1,3,5,3,4,8,5,0,1,2,6,7,4,0,2,1,5,8,6,7,3,8,7,3,6,2,0,5,4,1,6,1,5,3,7,4,0,2,8,7,8,6,4,1,5,3,0,2,2,5,4,0,8,3,7,1,6,1,3,0,2,6,7,8,5,4]}
+PUZZLE:
+_ 7 2  8 _ 3  _ _ _
+_ _ _  _ 5 _  2 _ 6
+_ _ _  _ 1 _  _ _ 8
+
+5 1 3  2 _ 9  _ _ _
+9 _ _  _ 3 _  6 _ _
+_ _ 6  _ _ _  _ _ _
+
+_ _ _  _ _ _  4 _ 3
+_ _ _  1 9 4  _ _ _
+_ _ 1  _ _ _  _ _ 5
+
+SOLUTION:
+6 7 2  8 4 3  5 9 1
+1 3 8  9 5 7  2 4 6
+4 5 9  6 1 2  3 7 8
+
+5 1 3  2 6 9  7 8 4
+9 8 4  7 3 1  6 5 2
+7 2 6  4 8 5  1 3 9
+
+8 9 7  5 2 6  4 1 3
+3 6 5  1 9 4  8 2 7
+2 4 1  3 7 8  9 6 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[0,null,null,null,8,null,null,null,null,null,null,null,2,null,3,1,null,null,null,null,6,null,null,null,0,7,null,null,null,1,null,null,null,null,null,null,null,null,5,3,null,null,null,null,2,6,3,null,5,null,null,null,null,null,4,null,null,null,null,0,null,1,null,null,null,0,null,null,null,null,6,null,null,null,7,null,null,1,3,null,null],"solution":[0,1,4,6,8,7,5,2,3,5,7,8,2,0,3,1,4,6,3,2,6,1,4,5,0,7,8,8,4,1,0,2,6,7,3,5,7,0,5,3,1,4,6,8,2,6,3,2,5,7,8,4,0,1,4,6,3,8,5,0,2,1,7,1,5,0,7,3,2,8,6,4,2,8,7,4,6,1,3,5,0]}
+PUZZLE:
+1 _ _  _ 9 _  _ _ _
+_ _ _  3 _ 4  2 _ _
+_ _ 7  _ _ _  1 8 _
+
+_ _ 2  _ _ _  _ _ _
+_ _ 6  4 _ _  _ _ 3
+7 4 _  6 _ _  _ _ _
+
+5 _ _  _ _ 1  _ 2 _
+_ _ 1  _ _ _  _ 7 _
+_ _ 8  _ _ 2  4 _ _
+
+SOLUTION:
+1 2 5  7 9 8  6 3 4
+6 8 9  3 1 4  2 5 7
+4 3 7  2 5 6  1 8 9
+
+9 5 2  1 3 7  8 4 6
+8 1 6  4 2 5  7 9 3
+7 4 3  6 8 9  5 1 2
+
+5 7 4  9 6 1  3 2 8
+2 6 1  8 4 3  9 7 5
+3 9 8  5 7 2  4 6 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,1,null,0,null,null,null,null,null,null,null,7,null,6,null,null,2,null,4,3,null,null,1,null,null,null,null,1,null,null,null,7,null,null,5,null,null,null,null,3,null,4,2,null,7,null,null,null,null,null,1,4,null,null,null,0,null,null,null,null,null,null,null,8,null,1,null,null,null,3,null,6,null,null,null,null,null,2,null,null,4],"solution":[6,1,8,0,2,5,7,4,3,0,5,7,4,6,3,8,2,1,4,3,2,8,1,7,0,6,5,1,4,3,2,7,8,6,5,0,5,8,6,3,0,4,2,1,7,2,7,0,6,5,1,4,3,8,7,0,4,1,3,6,5,8,2,8,2,1,5,4,0,3,7,6,3,6,5,7,8,2,1,0,4]}
+PUZZLE:
+_ 2 _  1 _ _  _ _ _
+_ _ 8  _ 7 _  _ 3 _
+5 4 _  _ 2 _  _ _ _
+
+2 _ _  _ 8 _  _ 6 _
+_ _ _  4 _ 5  3 _ 8
+_ _ _  _ _ 2  5 _ _
+
+_ 1 _  _ _ _  _ _ _
+9 _ 2  _ _ _  4 _ 7
+_ _ _  _ _ 3  _ _ 5
+
+SOLUTION:
+7 2 9  1 3 6  8 5 4
+1 6 8  5 7 4  9 3 2
+5 4 3  9 2 8  1 7 6
+
+2 5 4  3 8 9  7 6 1
+6 9 7  4 1 5  3 2 8
+3 8 1  7 6 2  5 4 9
+
+8 1 5  2 4 7  6 9 3
+9 3 2  6 5 1  4 8 7
+4 7 6  8 9 3  2 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,5,2,0,null,null,null,null,null,3,7,8,5,null,2,null,1,6,null,null,3,null,4,null,7,null,null,null,null,null,null,null,6,null,null,null,null,1,null,8,null,null,null,5,null,null,null,5,null,null,0,null,3,8,6,null,null,null,0,null,null,2,null,5,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[4,1,5,2,0,7,3,6,8,0,3,7,8,5,6,2,4,1,6,2,8,3,1,4,5,7,0,5,8,3,0,4,2,6,1,7,7,0,1,6,8,3,4,2,5,2,4,6,5,7,1,0,8,3,8,6,4,7,3,0,1,5,2,1,5,0,4,2,8,7,3,6,3,7,2,1,6,5,8,0,4]}
+PUZZLE:
+_ _ 6  3 1 _  _ _ _
+_ 4 8  9 6 _  3 _ 2
+7 _ _  4 _ 5  _ 8 _
+
+_ _ _  _ _ _  7 _ _
+_ _ 2  _ 9 _  _ _ 6
+_ _ _  6 _ _  1 _ 4
+
+9 7 _  _ _ 1  _ _ 3
+_ 6 _  5 _ _  _ _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+5 2 6  3 1 8  4 7 9
+1 4 8  9 6 7  3 5 2
+7 3 9  4 2 5  6 8 1
+
+6 9 4  1 5 3  7 2 8
+8 1 2  7 9 4  5 3 6
+3 5 7  6 8 2  1 9 4
+
+9 7 5  8 4 1  2 6 3
+2 6 1  5 3 9  8 4 7
+4 8 3  2 7 6  9 1 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,1,null,5,null,null,null,null,null,null,null,4,null,6,null,7,2,null,null,8,null,null,null,null,1,null,4,null,null,null,null,2,8,null,null,6,null,4,null,null,null,5,null,null,5,null,null,0,1,7,null,null,7,3,null,5,null,8,null,null,null,5,null,4,null,null,null,null,null,null,null,null,0,null,null,null,3,null,null],"solution":[4,7,6,1,3,5,0,2,8,8,1,5,0,4,2,6,3,7,2,0,3,8,7,6,5,4,1,1,4,7,6,5,3,2,8,0,0,6,2,4,8,7,1,5,3,3,5,8,2,0,1,7,6,4,7,3,1,5,6,8,4,0,2,5,2,4,3,1,0,8,7,6,6,8,0,7,2,4,3,1,5]}
+PUZZLE:
+_ _ _  2 _ 6  _ _ _
+_ _ _  _ 5 _  7 _ 8
+3 _ _  9 _ _  _ _ 2
+
+_ 5 _  _ _ _  3 9 _
+_ 7 _  5 _ _  _ 6 _
+_ 6 _  _ 1 2  8 _ _
+
+8 4 _  6 _ 9  _ _ _
+6 _ 5  _ _ _  _ _ _
+_ _ 1  _ _ _  4 _ _
+
+SOLUTION:
+5 8 7  2 4 6  1 3 9
+9 2 6  1 5 3  7 4 8
+3 1 4  9 8 7  6 5 2
+
+2 5 8  7 6 4  3 9 1
+1 7 3  5 9 8  2 6 4
+4 6 9  3 1 2  8 7 5
+
+8 4 2  6 7 9  5 1 3
+6 3 5  4 2 1  9 8 7
+7 9 1  8 3 5  4 2 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,6,null,null,null,null,null,null,8,null,7,2,null,null,null,null,null,3,null,null,null,null,1,6,null,2,7,null,0,null,null,null,3,null,1,null,null,null,4,0,null,null,null,null,null,8,null,null,null,null,4,null,null,null,1,null,0,2,null,null,null,null,null,7,null,null,null,null,null,null,0,null,null,5,null,null,null,null],"solution":[0,5,4,3,6,1,8,7,2,1,6,8,4,7,2,3,5,0,2,7,3,0,8,5,4,1,6,4,2,7,5,0,6,1,8,3,8,1,5,2,3,4,0,6,7,6,3,0,8,1,7,5,2,4,7,8,6,1,4,0,2,3,5,5,4,1,7,2,3,6,0,8,3,0,2,6,5,8,7,4,1]}
+PUZZLE:
+_ _ _  _ 7 _  _ _ _
+_ _ 9  _ 8 3  _ _ _
+_ _ 4  _ _ _  _ 2 7
+
+_ 3 8  _ 1 _  _ _ 4
+_ 2 _  _ _ 5  1 _ _
+_ _ _  9 _ _  _ _ 5
+
+_ _ _  2 _ 1  3 _ _
+_ _ _  8 _ _  _ _ _
+_ 1 _  _ 6 _  _ _ _
+
+SOLUTION:
+1 6 5  4 7 2  9 8 3
+2 7 9  5 8 3  4 6 1
+3 8 4  1 9 6  5 2 7
+
+5 3 8  6 1 7  2 9 4
+9 2 6  3 4 5  1 7 8
+7 4 1  9 2 8  6 3 5
+
+8 9 7  2 5 1  3 4 6
+6 5 2  8 3 4  7 1 9
+4 1 3  7 6 9  8 5 2
+
+RATING: 1
+DATA:
+{"puzzle":[null,0,null,null,5,7,null,null,null,6,null,null,null,4,null,null,null,5,4,null,null,null,null,null,8,null,null,null,null,null,7,6,1,null,5,4,2,null,null,null,null,4,7,null,null,null,null,null,8,null,null,null,null,null,null,3,null,6,0,null,null,null,null,null,5,null,null,null,2,null,4,8,null,null,null,null,null,null,null,null,null],"solution":[1,0,8,3,5,7,4,6,2,6,7,3,2,4,8,0,1,5,4,2,5,0,1,6,8,7,3,3,8,0,7,6,1,2,5,4,2,6,1,5,3,4,7,8,0,5,4,7,8,2,0,6,3,1,8,3,4,6,0,5,1,2,7,0,5,6,1,7,2,3,4,8,7,1,2,4,8,3,5,0,6]}
+PUZZLE:
+_ 1 _  _ 6 8  _ _ _
+7 _ _  _ 5 _  _ _ 6
+5 _ _  _ _ _  9 _ _
+
+_ _ _  8 7 2  _ 6 5
+3 _ _  _ _ 5  8 _ _
+_ _ _  9 _ _  _ _ _
+
+_ 4 _  7 1 _  _ _ _
+_ 6 _  _ _ 3  _ 5 9
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+2 1 9  4 6 8  5 7 3
+7 8 4  3 5 9  1 2 6
+5 3 6  1 2 7  9 8 4
+
+4 9 1  8 7 2  3 6 5
+3 7 2  6 4 5  8 9 1
+6 5 8  9 3 1  7 4 2
+
+9 4 5  7 1 6  2 3 8
+1 6 7  2 8 3  4 5 9
+8 2 3  5 9 4  6 1 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,null,1,6,null,null,3,null,null,null,2,null,null,null,null,null,2,5,null,8,null,null,0,null,null,null,6,null,null,null,0,null,null,1,3,null,null,4,null,null,null,null,null,null,null,null,null,2,7,null,null,null,1,4,null,null,8,null,null,null,6,null,null,7,null,null,null,null,null,4,null,null,null,null,null,null,5,null,null],"solution":[0,8,4,7,1,6,2,5,3,6,7,3,2,0,5,1,4,8,2,5,1,8,4,3,0,6,7,7,6,2,3,5,0,4,8,1,3,1,5,4,6,8,7,2,0,4,0,8,1,2,7,6,3,5,1,4,0,5,8,2,3,7,6,5,2,7,6,3,1,8,0,4,8,3,6,0,7,4,5,1,2]}
+PUZZLE:
+_ 9 _  _ 2 7  _ _ 4
+_ _ _  3 _ _  _ _ _
+3 6 _  9 _ _  1 _ _
+
+_ 7 _  _ _ 1  _ _ 2
+4 _ _  5 _ _  _ _ _
+_ _ _  _ 3 8  _ _ _
+
+2 5 _  _ 9 _  _ _ 7
+_ _ 8  _ _ _  _ _ 5
+_ _ _  _ _ _  6 _ _
+
+SOLUTION:
+1 9 5  8 2 7  3 6 4
+7 8 4  3 1 6  2 5 9
+3 6 2  9 5 4  1 7 8
+
+8 7 3  4 6 1  5 9 2
+4 2 6  5 7 9  8 3 1
+5 1 9  2 3 8  7 4 6
+
+2 5 1  6 9 3  4 8 7
+6 3 8  7 4 2  9 1 5
+9 4 7  1 8 5  6 2 3
+
+RATING: 1.25
+DATA:
+{"puzzle":[0,null,5,6,null,null,null,null,null,null,null,null,null,null,null,null,null,6,2,null,7,5,null,null,null,null,null,null,8,null,null,4,null,null,2,3,null,null,null,1,null,2,null,null,4,null,null,null,null,null,6,1,null,null,null,null,null,null,0,null,4,null,null,null,null,null,3,null,7,null,null,null,null,1,6,null,null,null,7,null,null],"solution":[0,4,5,6,2,8,3,1,7,1,3,8,4,7,0,2,5,6,2,6,7,5,1,3,0,4,8,7,8,1,0,4,5,6,2,3,6,5,0,1,3,2,8,7,4,3,2,4,7,8,6,1,0,5,5,7,3,8,0,1,4,6,2,4,0,2,3,6,7,5,8,1,8,1,6,2,5,4,7,3,0]}
+PUZZLE:
+1 _ 6  7 _ _  _ _ _
+_ _ _  _ _ _  _ _ 7
+3 _ 8  6 _ _  _ _ _
+
+_ 9 _  _ 5 _  _ 3 4
+_ _ _  2 _ 3  _ _ 5
+_ _ _  _ _ 7  2 _ _
+
+_ _ _  _ 1 _  5 _ _
+_ _ _  4 _ 8  _ _ _
+_ 2 7  _ _ _  8 _ _
+
+SOLUTION:
+1 5 6  7 3 9  4 2 8
+2 4 9  5 8 1  3 6 7
+3 7 8  6 2 4  1 5 9
+
+8 9 2  1 5 6  7 3 4
+7 6 1  2 4 3  9 8 5
+4 3 5  8 9 7  2 1 6
+
+6 8 4  9 1 2  5 7 3
+5 1 3  4 7 8  6 9 2
+9 2 7  3 6 5  8 4 1
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,null,2,8,null,null,null,null,null,null,null,null,null,4,null,null,0,5,6,null,null,7,null,8,null,null,null,4,null,null,null,2,6,null,null,3,8,null,null,null,7,null,1,null,null,null,null,null,1,null,null,null,null,null,null,6,1,null,null,null,null,5,8,null,2,null,null,null,null,4,null,null,7,null,0,null,null,null,null],"solution":[4,7,3,1,2,8,0,5,6,8,2,1,0,5,6,4,3,7,0,5,6,4,3,7,1,8,2,7,1,4,3,8,0,2,6,5,6,3,8,5,4,2,7,0,1,2,0,5,7,6,1,3,4,8,3,4,2,6,1,5,8,7,0,5,8,0,2,7,3,6,1,4,1,6,7,8,0,4,5,2,3]}
+PUZZLE:
+_ _ _  _ 3 9  _ _ _
+_ _ _  _ _ _  5 _ _
+1 6 7  _ _ 8  _ 9 _
+
+_ _ 5  _ _ _  3 7 _
+_ 4 9  _ _ _  8 _ 2
+_ _ _  _ _ 2  _ _ _
+
+_ _ _  7 2 _  _ _ _
+6 9 _  3 _ _  _ _ 5
+_ _ 8  _ 1 _  _ _ _
+
+SOLUTION:
+5 8 4  2 3 9  1 6 7
+9 3 2  1 6 7  5 4 8
+1 6 7  5 4 8  2 9 3
+
+8 2 5  4 9 1  3 7 6
+7 4 9  6 5 3  8 1 2
+3 1 6  8 7 2  4 5 9
+
+4 5 3  7 2 6  9 8 1
+6 9 1  3 8 4  7 2 5
+2 7 8  9 1 5  6 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,7,0,null,null,null,null,5,3,null,null,null,null,null,6,null,null,null,1,null,null,null,1,null,null,null,0,5,2,null,null,null,null,4,null,null,null,0,6,5,8,null,null,2,null,null,null,null,null,6,4,null,null,null,3,null,1,0,3,null,null,null,null,4,null,null,null,null,5,null,1,2,8,null,null,null],"solution":[5,1,3,6,8,2,7,0,4,4,2,7,5,3,0,6,8,1,0,6,8,4,7,1,3,5,2,1,7,6,3,0,5,2,4,8,2,3,4,8,1,7,0,6,5,8,0,5,2,4,6,1,7,3,6,4,2,7,5,3,8,1,0,3,8,1,0,6,4,5,2,7,7,5,0,1,2,8,4,3,6]}
+PUZZLE:
+_ _ _  _ _ _  8 1 _
+_ _ _  6 4 _  _ _ _
+_ 7 _  _ _ 2  _ _ _
+
+2 _ _  _ 1 6  3 _ _
+_ _ 5  _ _ _  1 7 6
+9 _ _  3 _ _  _ _ _
+
+7 5 _  _ _ 4  _ 2 1
+4 _ _  _ _ 5  _ _ _
+_ 6 _  2 3 9  _ _ _
+
+SOLUTION:
+6 2 4  7 9 3  8 1 5
+5 3 8  6 4 1  7 9 2
+1 7 9  5 8 2  4 6 3
+
+2 8 7  4 1 6  3 5 9
+3 4 5  9 2 8  1 7 6
+9 1 6  3 5 7  2 8 4
+
+7 5 3  8 6 4  9 2 1
+4 9 2  1 7 5  6 3 8
+8 6 1  2 3 9  5 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,null,null,null,null,null,null,4,7,null,null,null,null,null,0,null,null,null,null,null,null,null,null,1,2,null,null,3,8,null,6,1,null,4,null,4,null,null,null,1,null,5,null,6,null,null,5,null,null,null,null,7,null,null,null,null,3,null,null,null,null,null,null,null,7,1,4,6,null,5,null,6,null,null,null,8,null,7,null],"solution":[2,1,0,4,5,3,7,6,8,4,7,6,1,8,2,5,0,3,8,3,5,0,6,7,4,1,2,0,5,3,8,7,6,1,2,4,7,4,8,3,2,1,0,5,6,6,2,1,5,4,0,8,3,7,1,8,7,6,3,5,2,4,0,3,0,2,7,1,4,6,8,5,5,6,4,2,0,8,3,7,1]}
+PUZZLE:
+_ _ 1  _ _ _  _ _ _
+5 8 _  _ _ _  _ 1 _
+_ _ _  _ _ _  _ 2 3
+
+_ _ 4  9 _ 7  2 _ 5
+_ 5 _  _ _ 2  _ 6 _
+7 _ _  6 _ _  _ _ 8
+
+_ _ _  _ 4 _  _ _ _
+_ _ _  8 2 5  7 _ 6
+_ 7 _  _ _ 9  _ 8 _
+
+SOLUTION:
+3 2 1  5 6 4  8 7 9
+5 8 7  2 9 3  6 1 4
+9 4 6  1 7 8  5 2 3
+
+1 6 4  9 8 7  2 3 5
+8 5 9  4 3 2  1 6 7
+7 3 2  6 5 1  9 4 8
+
+2 9 8  7 4 6  3 5 1
+4 1 3  8 2 5  7 9 6
+6 7 5  3 1 9  4 8 2
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,1,null,null,null,null,7,4,null,null,null,8,null,null,null,null,null,null,null,7,null,null,4,null,null,null,8,null,null,null,null,6,2,4,null,null,null,0,null,7,null,null,2,null,3,7,null,1,null,null,null,null,null,null,null,4,null,3,null,0,null,1,7,null,null,null,null,null,null,null,8,null,3,5,null,null,null,8,null,null,null],"solution":[2,1,5,8,0,3,7,4,6,4,3,8,1,7,6,5,0,2,0,7,6,2,4,5,1,3,8,5,8,3,0,6,2,4,7,1,6,0,4,7,8,1,2,5,3,7,2,1,5,3,4,8,6,0,8,4,2,3,5,0,6,1,7,1,6,0,4,2,7,3,8,5,3,5,7,6,1,8,0,2,4]}
+PUZZLE:
+_ 2 _  _ _ _  8 5 _
+_ _ 9  _ _ _  _ _ _
+_ 8 _  _ 5 _  _ _ 9
+
+_ _ _  _ 7 3  5 _ _
+_ 1 _  8 _ _  3 _ 4
+8 _ 2  _ _ _  _ _ _
+
+_ 5 _  4 _ 1  _ 2 8
+_ _ _  _ _ _  _ 9 _
+4 6 _  _ _ 9  _ _ _
+
+SOLUTION:
+3 2 6  9 1 4  8 5 7
+5 4 9  2 8 7  6 1 3
+1 8 7  3 5 6  2 4 9
+
+6 9 4  1 7 3  5 8 2
+7 1 5  8 9 2  3 6 4
+8 3 2  6 4 5  9 7 1
+
+9 5 3  4 6 1  7 2 8
+2 7 1  5 3 8  4 9 6
+4 6 8  7 2 9  1 3 5
+
+RATING: 0
+DATA:
+{"puzzle":[7,null,null,8,null,6,3,null,null,null,null,null,3,null,null,null,6,null,null,5,null,null,null,7,null,4,null,null,null,8,null,5,null,null,null,null,4,null,2,null,null,null,0,null,null,null,null,null,null,6,null,null,3,null,5,null,null,null,null,1,8,null,null,null,1,null,null,0,null,null,null,2,null,null,null,null,null,null,5,null,null],"solution":[7,4,1,8,2,6,3,5,0,2,8,0,3,4,5,1,6,7,3,5,6,0,1,7,2,4,8,1,3,8,4,5,0,7,2,6,4,6,2,1,7,3,0,8,5,0,7,5,2,6,8,4,3,1,5,2,7,6,3,1,8,0,4,8,1,3,5,0,4,6,7,2,6,0,4,7,8,2,5,1,3]}
+PUZZLE:
+8 _ _  9 _ 7  4 _ _
+_ _ _  4 _ _  _ 7 _
+_ 6 _  _ _ 8  _ 5 _
+
+_ _ 9  _ 6 _  _ _ _
+5 _ 3  _ _ _  1 _ _
+_ _ _  _ 7 _  _ 4 _
+
+6 _ _  _ _ 2  9 _ _
+_ 2 _  _ 1 _  _ _ 3
+_ _ _  _ _ _  6 _ _
+
+SOLUTION:
+8 5 2  9 3 7  4 6 1
+3 9 1  4 5 6  2 7 8
+4 6 7  1 2 8  3 5 9
+
+2 4 9  5 6 1  8 3 7
+5 7 3  2 8 4  1 9 6
+1 8 6  3 7 9  5 4 2
+
+6 3 8  7 4 2  9 1 5
+9 2 4  6 1 5  7 8 3
+7 1 5  8 9 3  6 2 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,3,null,7,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,0,7,4,null,null,4,null,0,null,null,3,8,null,null,null,3,null,null,null,null,0,null,null,5,null,null,null,null,null,null,null,null,null,8,2,4,null,null,null,5,6,null,null,1,null,null,null,null,3,1,null,null,null,8,null,null,null,null],"solution":[4,8,0,3,1,7,6,5,2,5,7,6,8,2,4,1,3,0,3,1,2,5,6,0,7,4,8,2,4,7,0,5,1,3,8,6,8,6,3,4,7,2,5,0,1,0,5,1,6,3,8,4,2,7,7,3,8,2,4,6,0,1,5,6,2,4,1,0,5,8,7,3,1,0,5,7,8,3,2,6,4]}
+PUZZLE:
+_ _ _  4 _ 8  _ _ _
+_ _ 7  _ _ _  _ _ _
+_ _ _  _ _ 1  8 5 _
+
+_ 5 _  1 _ _  4 9 _
+_ _ 4  _ _ _  _ 1 _
+_ 6 _  _ _ _  _ _ _
+
+_ _ 9  3 5 _  _ _ 6
+7 _ _  2 _ _  _ _ 4
+2 _ _  _ 9 _  _ _ _
+
+SOLUTION:
+5 9 1  4 2 8  7 6 3
+6 8 7  9 3 5  2 4 1
+4 2 3  6 7 1  8 5 9
+
+3 5 8  1 6 2  4 9 7
+9 7 4  5 8 3  6 1 2
+1 6 2  7 4 9  5 3 8
+
+8 4 9  3 5 7  1 2 6
+7 3 5  2 1 6  9 8 4
+2 1 6  8 9 4  3 7 5
+
+RATING: 2
+DATA:
+{"puzzle":[null,4,3,null,5,null,null,null,null,null,null,null,null,null,null,0,null,2,2,null,8,null,null,null,null,1,null,4,null,null,6,null,0,null,null,null,null,5,null,4,8,null,null,null,6,null,7,null,null,null,null,null,null,8,6,null,null,null,null,null,null,null,null,null,null,null,null,null,7,1,null,null,null,null,null,null,1,null,7,null,3],"solution":[1,4,3,0,5,2,6,8,7,7,6,5,1,3,8,0,4,2,2,0,8,7,4,6,3,1,5,4,8,2,6,7,0,5,3,1,0,5,1,4,8,3,2,7,6,3,7,6,5,2,1,4,0,8,6,1,7,3,0,5,8,2,4,8,3,4,2,6,7,1,5,0,5,2,0,8,1,4,7,6,3]}
+PUZZLE:
+_ 5 4  _ 6 _  _ _ _
+_ _ _  _ _ _  1 _ 3
+3 _ 9  _ _ _  _ 2 _
+
+5 _ _  7 _ 1  _ _ _
+_ 6 _  5 9 _  _ _ 7
+_ 8 _  _ _ _  _ _ 9
+
+7 _ _  _ _ _  _ _ _
+_ _ _  _ _ 8  2 _ _
+_ _ _  _ 2 _  8 _ 4
+
+SOLUTION:
+2 5 4  1 6 3  7 9 8
+8 7 6  2 4 9  1 5 3
+3 1 9  8 5 7  4 2 6
+
+5 9 3  7 8 1  6 4 2
+1 6 2  5 9 4  3 8 7
+4 8 7  6 3 2  5 1 9
+
+7 2 8  4 1 6  9 3 5
+9 4 5  3 7 8  2 6 1
+6 3 1  9 2 5  8 7 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,3,null,null,8,null,null,null,7,8,null,null,null,0,null,null,1,1,null,null,null,null,null,null,5,null,null,5,null,null,null,null,6,null,null,null,null,null,null,6,4,null,null,null,6,null,null,null,0,1,7,4,null,null,0,null,null,8,null,5,null,2,null,null,null,4,null,7,null,null,null,null,null,null,null,2,null,null,7,null],"solution":[5,4,3,6,1,8,0,2,7,7,8,2,3,5,0,4,6,1,1,6,0,7,4,2,3,5,8,2,5,4,8,7,3,6,1,0,0,7,1,5,6,4,2,8,3,6,3,8,2,0,1,7,4,5,4,0,7,1,8,6,5,3,2,8,2,5,4,3,7,1,0,6,3,1,6,0,2,5,8,7,4]}
+PUZZLE:
+_ _ 4  _ _ 9  _ _ _
+8 9 _  _ _ 1  _ _ 2
+2 _ _  _ _ _  _ 6 _
+
+_ 6 _  _ _ _  7 _ _
+_ _ _  _ 7 5  _ _ _
+7 _ _  _ 1 2  8 5 _
+
+_ 1 _  _ 9 _  6 _ 3
+_ _ _  5 _ 8  _ _ _
+_ _ _  _ 3 _  _ 8 _
+
+SOLUTION:
+6 5 4  7 2 9  1 3 8
+8 9 3  4 6 1  5 7 2
+2 7 1  8 5 3  4 6 9
+
+3 6 5  9 8 4  7 2 1
+1 8 2  6 7 5  3 9 4
+7 4 9  3 1 2  8 5 6
+
+5 1 8  2 9 7  6 4 3
+9 3 6  5 4 8  2 1 7
+4 2 7  1 3 6  9 8 5
+
+RATING: 1
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,7,null,null,null,null,null,null,null,5,null,8,null,null,2,null,null,6,0,null,null,null,7,null,null,null,null,null,5,null,1,null,null,null,4,8,6,null,null,null,null,0,null,null,null,null,null,3,null,null,null,2,null,3,8,null,4,null,null,null,null,1,null,null,null,null,null,null,6,null,5,null,2,null,null],"solution":[5,1,4,0,8,2,3,7,6,0,6,7,4,3,1,5,2,8,3,8,2,5,7,6,0,4,1,8,7,3,1,6,0,4,5,2,1,2,5,3,4,8,6,0,7,6,4,0,7,2,5,1,8,3,7,5,1,2,0,3,8,6,4,2,0,8,6,1,4,7,3,5,4,3,6,8,5,7,2,1,0]}
+PUZZLE:
+_ 2 _  _ _ _  _ 8 _
+_ _ _  _ _ _  6 _ 9
+_ _ 3  _ _ 7  1 _ _
+
+_ 8 _  _ _ _  _ 6 _
+2 _ _  _ 5 9  7 _ _
+_ _ 1  _ _ _  _ _ 4
+
+_ _ _  3 _ 4  9 _ 5
+_ _ _  _ 2 _  _ _ _
+_ _ 7  _ 6 _  3 _ _
+
+SOLUTION:
+6 2 5  1 9 3  4 8 7
+1 7 8  5 4 2  6 3 9
+4 9 3  6 8 7  1 5 2
+
+9 8 4  2 7 1  5 6 3
+2 3 6  4 5 9  7 1 8
+7 5 1  8 3 6  2 9 4
+
+8 6 2  3 1 4  9 7 5
+3 1 9  7 2 5  8 4 6
+5 4 7  9 6 8  3 2 1
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,8,null,null,null,null,null,null,null,null,null,null,null,6,5,null,null,null,4,null,7,null,5,6,1,null,null,null,null,null,1,2,null,0,8,7,null,null,null,null,0,1,5,null,5,null,1,null,null,3,null,null,null,null,null,null,6,null,null,null,null,null,null,null,5,null,0,null,2,6,null,1,null,null,null,null,7,null,null,null],"solution":[6,5,8,1,2,4,0,3,7,2,1,7,0,3,6,5,8,4,0,4,3,7,8,5,6,1,2,3,6,4,5,1,2,7,0,8,7,8,2,4,6,0,1,5,3,5,0,1,8,7,3,4,2,6,8,2,0,6,4,1,3,7,5,4,7,5,3,0,8,2,6,1,1,3,6,2,5,7,8,4,0]}
+PUZZLE:
+_ _ 9  _ _ _  _ _ _
+_ _ _  _ _ 7  6 _ _
+_ 5 _  8 _ 6  7 2 _
+
+_ _ _  _ 2 3  _ 1 9
+8 _ _  _ _ 1  2 6 _
+6 _ 2  _ _ 4  _ _ _
+
+_ _ _  7 _ _  _ _ _
+_ _ 6  _ 1 _  3 7 _
+2 _ _  _ _ 8  _ _ _
+
+SOLUTION:
+7 6 9  2 3 5  1 4 8
+3 2 8  1 4 7  6 9 5
+1 5 4  8 9 6  7 2 3
+
+4 7 5  6 2 3  8 1 9
+8 9 3  5 7 1  2 6 4
+6 1 2  9 8 4  5 3 7
+
+9 3 1  7 5 2  4 8 6
+5 8 6  4 1 9  3 7 2
+2 4 7  3 6 8  9 5 1
+
+RATING: 2
+DATA:
+{"puzzle":[null,8,null,null,0,null,null,null,null,null,7,null,4,null,2,1,null,null,null,null,null,null,1,null,null,null,null,null,null,null,5,null,null,null,4,null,6,4,8,null,null,null,3,null,null,null,null,3,7,null,null,0,8,null,2,null,null,null,null,null,null,null,null,null,0,null,null,null,1,null,null,3,null,null,null,3,6,null,5,null,null],"solution":[4,8,1,6,0,7,2,3,5,5,7,0,4,3,2,1,6,8,3,6,2,8,1,5,7,0,4,0,2,7,5,8,3,6,4,1,6,4,8,1,2,0,3,5,7,1,5,3,7,4,6,0,8,2,2,3,5,0,7,4,8,1,6,8,0,6,2,5,1,4,7,3,7,1,4,3,6,8,5,2,0]}
+PUZZLE:
+_ 9 _  _ 1 _  _ _ _
+_ 8 _  5 _ 3  2 _ _
+_ _ _  _ 2 _  _ _ _
+
+_ _ _  6 _ _  _ 5 _
+7 5 9  _ _ _  4 _ _
+_ _ 4  8 _ _  1 9 _
+
+3 _ _  _ _ _  _ _ _
+_ 1 _  _ _ 2  _ _ 4
+_ _ _  4 7 _  6 _ _
+
+SOLUTION:
+5 9 2  7 1 8  3 4 6
+6 8 1  5 4 3  2 7 9
+4 7 3  9 2 6  8 1 5
+
+1 3 8  6 9 4  7 5 2
+7 5 9  2 3 1  4 6 8
+2 6 4  8 5 7  1 9 3
+
+3 4 6  1 8 5  9 2 7
+9 1 7  3 6 2  5 8 4
+8 2 5  4 7 9  6 3 1
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,2,3,4,1,null,null,null,null,1,null,5,null,2,null,null,null,null,6,null,8,null,null,null,8,null,null,null,null,2,null,4,5,null,4,null,null,null,null,null,8,1,null,3,null,null,null,null,6,null,null,5,null,null,null,null,6,null,null,null,null,1,null,null,null,null,null,null,null,null,8,7,3,null,null,null,5,4],"solution":[0,5,8,7,2,3,4,1,6,4,7,6,1,0,5,8,2,3,1,2,3,6,4,8,5,7,0,8,6,1,0,3,2,7,4,5,2,4,0,5,6,7,3,8,1,7,3,5,4,8,1,6,0,2,5,0,4,2,7,6,1,3,8,3,1,2,8,5,4,0,6,7,6,8,7,3,1,0,2,5,4]}
+PUZZLE:
+_ _ _  _ 3 4  5 2 _
+_ _ _  2 _ 6  _ 3 _
+_ _ _  7 _ 9  _ _ _
+
+9 _ _  _ _ 3  _ 5 6
+_ 5 _  _ _ _  _ 9 2
+_ 4 _  _ _ _  7 _ _
+
+6 _ _  _ _ 7  _ _ _
+_ 2 _  _ _ _  _ _ _
+_ 9 8  4 _ _  _ 6 5
+
+SOLUTION:
+1 6 9  8 3 4  5 2 7
+5 8 7  2 1 6  9 3 4
+2 3 4  7 5 9  6 8 1
+
+9 7 2  1 4 3  8 5 6
+3 5 1  6 7 8  4 9 2
+8 4 6  5 9 2  7 1 3
+
+6 1 5  3 8 7  2 4 9
+4 2 3  9 6 5  1 7 8
+7 9 8  4 2 1  3 6 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,6,null,null,2,null,3,null,3,4,null,2,1,null,null,null,8,null,null,null,null,7,null,null,null,null,null,null,0,null,null,null,1,null,2,null,null,null,null,8,0,null,7,null,5,7,null,null,null,null,null,null,null,2,1,null,null,null,4,null,null,3,null,null,8,null,null,null,null,null,null,null,null,null,null,3,null,null,1],"solution":[1,0,5,6,8,4,2,7,3,7,3,4,5,2,1,6,8,0,8,6,2,3,0,7,1,5,4,4,8,6,0,7,2,3,1,5,2,1,3,4,5,8,0,6,7,0,5,7,1,3,6,8,4,2,5,2,1,7,6,0,4,3,8,3,4,0,8,1,5,7,2,6,6,7,8,2,4,3,5,0,1]}
+PUZZLE:
+_ _ _  7 _ _  3 _ 4
+_ 4 5  _ 3 2  _ _ _
+9 _ _  _ _ 8  _ _ _
+
+_ _ _  1 _ _  _ 2 _
+3 _ _  _ _ 9  1 _ 8
+_ 6 8  _ _ _  _ _ _
+
+_ 3 2  _ _ _  5 _ _
+4 _ _  9 _ _  _ _ _
+_ _ _  _ _ 4  _ _ 2
+
+SOLUTION:
+2 1 6  7 9 5  3 8 4
+8 4 5  6 3 2  7 9 1
+9 7 3  4 1 8  2 6 5
+
+5 9 7  1 8 3  4 2 6
+3 2 4  5 6 9  1 7 8
+1 6 8  2 4 7  9 5 3
+
+6 3 2  8 7 1  5 4 9
+4 5 1  9 2 6  8 3 7
+7 8 9  3 5 4  6 1 2
+
+RATING: 3
+DATA:
+{"puzzle":[null,2,null,0,null,3,null,null,null,null,null,4,null,2,8,null,null,null,null,null,0,null,null,null,null,1,null,2,null,null,null,null,null,4,null,8,5,null,null,1,null,null,7,null,null,null,null,null,null,null,null,null,0,5,null,8,6,5,null,null,null,2,null,3,null,null,null,4,null,null,null,null,null,null,null,null,null,null,3,null,6],"solution":[6,2,5,0,1,3,8,7,4,1,3,4,7,2,8,6,5,0,8,7,0,4,5,6,2,1,3,2,0,1,3,7,5,4,6,8,5,6,8,1,0,4,7,3,2,7,4,3,8,6,2,1,0,5,4,8,6,5,3,7,0,2,1,3,1,2,6,4,0,5,8,7,0,5,7,2,8,1,3,4,6]}
+PUZZLE:
+_ 3 _  1 _ 4  _ _ _
+_ _ 5  _ 3 9  _ _ _
+_ _ 1  _ _ _  _ 2 _
+
+3 _ _  _ _ _  5 _ 9
+6 _ _  2 _ _  8 _ _
+_ _ _  _ _ _  _ 1 6
+
+_ 9 7  6 _ _  _ 3 _
+4 _ _  _ 5 _  _ _ _
+_ _ _  _ _ _  4 _ 7
+
+SOLUTION:
+7 3 6  1 2 4  9 8 5
+2 4 5  8 3 9  7 6 1
+9 8 1  5 6 7  3 2 4
+
+3 1 2  4 8 6  5 7 9
+6 7 9  2 1 5  8 4 3
+8 5 4  9 7 3  2 1 6
+
+5 9 7  6 4 8  1 3 2
+4 2 3  7 5 1  6 9 8
+1 6 8  3 9 2  4 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,5,3,null,null,null,null,null,null,null,null,null,null,null,2,1,null,null,4,null,null,null,null,null,null,null,null,null,0,null,6,4,null,null,4,null,7,null,null,1,null,3,2,null,6,null,null,null,null,null,null,null,8,null,null,6,1,0,null,null,6,null,null,8,4,null,null,3,null,0,null,null,null,null,null,null,5,null],"solution":[7,2,8,6,5,3,4,1,0,4,6,5,0,1,7,3,8,2,1,0,3,4,2,8,7,6,5,8,3,1,2,0,5,6,4,7,5,4,0,7,8,6,1,2,3,2,7,6,1,3,4,5,0,8,3,8,2,5,6,1,0,7,4,6,5,7,8,4,0,2,3,1,0,1,4,3,7,2,8,5,6]}
+PUZZLE:
+_ _ _  _ 6 4  _ _ _
+_ _ _  _ _ _  _ _ 3
+2 _ _  5 _ _  _ _ _
+
+_ _ _  _ 1 _  7 5 _
+_ 5 _  8 _ _  2 _ 4
+3 _ 7  _ _ _  _ _ _
+
+_ 9 _  _ 7 2  1 _ _
+7 _ _  9 5 _  _ 4 _
+1 _ _  _ _ _  _ 6 _
+
+SOLUTION:
+8 3 9  7 6 4  5 2 1
+5 7 6  1 2 8  4 9 3
+2 1 4  5 3 9  8 7 6
+
+9 4 2  3 1 6  7 5 8
+6 5 1  8 9 7  2 3 4
+3 8 7  2 4 5  6 1 9
+
+4 9 3  6 7 2  1 8 5
+7 6 8  9 5 1  3 4 2
+1 2 5  4 8 3  9 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,null,null,null,1,null,null,null,3,0,null,null,null,null,null,null,1,null,6,5,null,null,null,0,null,2,null,null,0,null,null,8,null,null,null,4,null,null,null,null,3,null,null,null,null,null,3,5,null,7,6,5,null,null,null,8,2,null,null,7,8,null,null,null,null,null,null,null,3,1,null,0,null,null,null,null,null,null],"solution":[7,0,5,8,4,3,6,1,2,4,6,3,0,2,1,7,5,8,2,1,8,6,5,7,3,4,0,3,2,7,1,0,6,5,8,4,6,5,4,2,7,8,0,3,1,0,8,1,4,3,5,2,7,6,5,4,6,3,8,2,1,0,7,8,7,2,5,1,0,4,6,3,1,3,0,7,6,4,8,2,5]}
+PUZZLE:
+_ _ _  9 _ _  _ 2 _
+_ _ 4  1 _ _  _ _ _
+_ 2 _  7 6 _  _ _ 1
+
+_ 3 _  _ 1 _  _ 9 _
+_ _ 5  _ _ _  _ 4 _
+_ _ _  _ 4 6  _ 8 7
+
+6 _ _  _ 9 3  _ _ 8
+9 _ _  _ _ _  _ _ 4
+2 _ 1  _ _ _  _ _ _
+
+SOLUTION:
+8 1 6  9 5 4  7 2 3
+5 7 4  1 3 2  8 6 9
+3 2 9  7 6 8  4 5 1
+
+4 3 8  2 1 7  6 9 5
+7 6 5  3 8 9  1 4 2
+1 9 2  5 4 6  3 8 7
+
+6 5 7  4 9 3  2 1 8
+9 8 3  6 2 1  5 7 4
+2 4 1  8 7 5  9 3 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,null,null,null,7,2,null,null,null,null,null,8,null,null,0,null,null,null,null,null,null,8,3,null,null,null,5,null,null,null,null,null,7,2,8,null,null,null,null,null,null,null,null,1,6,null,null,null,null,null,null,null,null,null,1,4,null,null,0,3,null,null,null,5,null,null,5,null,8,null,0,null,2,null,null],"solution":[3,8,5,7,6,0,4,1,2,4,7,2,1,5,3,0,6,8,6,1,0,8,4,2,7,3,5,8,3,1,0,7,5,6,2,4,0,6,7,2,8,4,3,5,1,2,5,4,3,1,6,8,0,7,7,2,6,5,3,8,1,4,0,1,0,3,4,2,7,5,8,6,5,4,8,6,0,1,2,7,3]}
+PUZZLE:
+_ _ _  _ _ _  5 _ _
+_ 8 3  _ _ _  _ _ 9
+_ _ 1  _ _ _  _ _ _
+
+9 4 _  _ _ 6  _ _ _
+_ _ 8  3 9 _  _ _ _
+_ _ _  _ 2 7  _ _ _
+
+_ _ _  _ _ _  2 5 _
+_ 1 4  _ _ _  6 _ _
+6 _ 9  _ 1 _  3 _ _
+
+SOLUTION:
+4 9 6  8 7 1  5 2 3
+5 8 3  2 6 4  1 7 9
+7 2 1  9 5 3  8 4 6
+
+9 4 2  1 8 6  7 3 5
+1 7 8  3 9 5  4 6 2
+3 6 5  4 2 7  9 1 8
+
+8 3 7  6 4 9  2 5 1
+2 1 4  5 3 8  6 9 7
+6 5 9  7 1 2  3 8 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,null,4,2,7,5,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,0,1,null,null,null,3,null,null,null,6,null,null,null,null,8,1,5,null,null,null,null,null,5,null,null,0,8,null,7,null,7,8,null,null,null,null,5,null,1,4,null,5,null,null,0,8,null,null,null,null,null,null,null,null,null,4,null],"solution":[0,6,1,3,4,2,7,5,8,5,4,7,0,8,1,3,6,2,8,3,2,5,7,6,0,1,4,1,0,3,4,2,7,6,8,5,6,7,8,1,5,3,4,2,0,2,5,4,6,0,8,1,7,3,7,8,6,2,3,4,5,0,1,4,2,5,7,1,0,8,3,6,3,1,0,8,6,5,2,4,7]}
+PUZZLE:
+_ _ 2  _ 5 3  8 6 _
+_ _ _  _ _ _  _ _ _
+_ 4 _  _ _ _  1 2 _
+
+_ _ 4  _ _ _  7 _ _
+_ _ 9  2 6 _  _ _ _
+_ 6 _  _ 1 9  _ 8 _
+
+8 9 _  _ _ _  6 _ 2
+5 _ 6  _ _ 1  9 _ _
+_ _ _  _ _ _  _ 5 _
+
+SOLUTION:
+1 7 2  4 5 3  8 6 9
+6 5 8  1 9 2  4 7 3
+9 4 3  6 8 7  1 2 5
+
+2 1 4  5 3 8  7 9 6
+7 8 9  2 6 4  5 3 1
+3 6 5  7 1 9  2 8 4
+
+8 9 7  3 4 5  6 1 2
+5 3 6  8 2 1  9 4 7
+4 2 1  9 7 6  3 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,5,4,null,null,8,null,null,null,null,2,1,null,0,null,null,null,0,null,null,null,null,2,null,null,null,null,null,null,7,2,null,null,3,null,null,null,null,null,null,6,null,null,5,null,null,null,null,8,3,null,6,null,null,0,null,null,null,null,1,7,6,4,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,3],"solution":[1,6,5,4,3,7,8,0,2,8,7,2,1,6,0,3,5,4,0,3,4,8,5,2,6,1,7,6,5,1,7,2,4,0,3,8,3,4,8,0,1,6,7,2,5,7,2,0,5,8,3,4,6,1,5,0,3,2,4,8,1,7,6,4,1,6,3,7,5,2,8,0,2,8,7,6,0,1,5,4,3]}
+PUZZLE:
+_ 7 6  5 _ _  9 _ _
+_ _ 3  2 _ 1  _ _ _
+1 _ _  _ _ 3  _ _ _
+
+_ _ _  8 3 _  _ 4 _
+_ _ _  _ _ 7  _ _ 6
+_ _ _  _ 9 4  _ 7 _
+
+_ 1 _  _ _ _  2 8 7
+5 _ _  _ _ _  _ _ _
+_ 9 _  _ _ _  _ _ 4
+
+SOLUTION:
+2 7 6  5 4 8  9 1 3
+9 8 3  2 7 1  4 6 5
+1 4 5  9 6 3  7 2 8
+
+7 6 2  8 3 5  1 4 9
+4 5 9  1 2 7  8 3 6
+8 3 1  6 9 4  5 7 2
+
+6 1 4  3 5 9  2 8 7
+5 2 7  4 8 6  3 9 1
+3 9 8  7 1 2  6 5 4
+
+RATING: 1.5
+DATA:
+{"puzzle":[8,6,null,7,null,null,null,2,null,null,null,null,null,1,4,null,null,null,null,null,null,8,null,null,5,null,null,null,null,6,5,null,0,null,null,null,null,5,1,null,2,null,null,4,null,null,null,null,null,null,null,null,7,null,3,7,null,0,8,null,null,null,2,6,null,null,null,null,null,null,5,null,null,null,0,null,null,1,null,null,null],"solution":[8,6,3,7,0,5,1,2,4,5,0,2,3,1,4,8,6,7,1,4,7,8,6,2,5,0,3,4,3,6,5,7,0,2,8,1,7,5,1,6,2,8,3,4,0,0,2,8,1,4,3,6,7,5,3,7,5,0,8,6,4,1,2,6,1,4,2,3,7,0,5,8,2,8,0,4,5,1,7,3,6]}
+PUZZLE:
+9 7 _  8 _ _  _ 3 _
+_ _ _  _ 2 5  _ _ _
+_ _ _  9 _ _  6 _ _
+
+_ _ 7  6 _ 1  _ _ _
+_ 6 2  _ 3 _  _ 5 _
+_ _ _  _ _ _  _ 8 _
+
+4 8 _  1 9 _  _ _ 3
+7 _ _  _ _ _  _ 6 _
+_ _ 1  _ _ 2  _ _ _
+
+SOLUTION:
+9 7 4  8 1 6  2 3 5
+6 1 3  4 2 5  9 7 8
+2 5 8  9 7 3  6 1 4
+
+5 4 7  6 8 1  3 9 2
+8 6 2  7 3 9  4 5 1
+1 3 9  2 5 4  7 8 6
+
+4 8 6  1 9 7  5 2 3
+7 2 5  3 4 8  1 6 9
+3 9 1  5 6 2  8 4 7
+
+RATING: 3
+DATA:
+{"puzzle":[null,0,null,7,8,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,6,null,4,null,0,null,0,7,4,null,null,null,null,8,null,null,null,null,null,null,null,4,null,null,null,null,2,null,null,null,null,5,null,null,null,null,3,null,null,null,null,8,null,null,null,null,5,7,null,null,1,null,6,null,1,null,0,3,4,7],"solution":[3,0,5,7,8,2,6,1,4,2,4,6,0,1,5,8,7,3,1,8,7,6,3,4,2,0,5,0,7,4,5,6,3,1,8,2,6,5,1,2,7,8,4,3,0,8,3,2,4,0,1,7,5,6,7,1,0,3,4,6,5,2,8,4,2,3,8,5,7,0,6,1,5,6,8,1,2,0,3,4,7]}
+PUZZLE:
+_ 1 _  8 9 _  _ _ _
+3 _ _  _ _ _  _ _ _
+_ _ _  7 _ 5  _ 1 _
+
+1 8 5  _ _ _  _ 9 _
+_ _ _  _ _ _  5 _ _
+_ _ 3  _ _ _  _ 6 _
+
+_ _ _  4 _ _  _ _ 9
+_ _ _  _ 6 8  _ _ 2
+_ 7 _  2 _ 1  4 5 8
+
+SOLUTION:
+4 1 6  8 9 3  7 2 5
+3 5 7  1 2 6  9 8 4
+2 9 8  7 4 5  3 1 6
+
+1 8 5  6 7 4  2 9 3
+7 6 2  3 8 9  5 4 1
+9 4 3  5 1 2  8 6 7
+
+8 2 1  4 5 7  6 3 9
+5 3 4  9 6 8  1 7 2
+6 7 9  2 3 1  4 5 8
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,0,null,null,null,8,null,null,8,null,null,4,null,7,null,null,null,2,null,8,null,null,5,1,6,0,null,null,null,1,3,null,null,null,5,null,1,null,null,2,4,null,3,null,null,null,null,null,null,null,7,null,8,null,null,null,null,null,null,5,null,null,6,4,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null],"solution":[3,5,7,0,6,1,2,8,4,1,8,6,2,4,5,7,3,0,4,2,0,8,3,7,5,1,6,0,4,2,7,1,3,8,6,5,5,7,1,6,8,2,4,0,3,6,3,8,5,0,4,1,7,2,8,1,3,4,2,0,6,5,7,7,6,4,3,5,8,0,2,1,2,0,5,1,7,6,3,4,8]}
+PUZZLE:
+_ _ _  1 _ _  _ 9 _
+_ 9 _  _ 5 _  8 _ _
+_ 3 _  9 _ _  6 2 7
+
+1 _ _  _ 2 4  _ _ _
+6 _ 2  _ _ 3  5 _ 4
+_ _ _  _ _ _  _ 8 _
+
+9 _ _  _ _ _  _ 6 _
+_ 7 5  _ _ _  _ _ _
+_ _ _  _ _ _  4 _ _
+
+SOLUTION:
+4 6 8  1 7 2  3 9 5
+2 9 7  3 5 6  8 4 1
+5 3 1  9 4 8  6 2 7
+
+1 5 3  8 2 4  9 7 6
+6 8 2  7 9 3  5 1 4
+7 4 9  6 1 5  2 8 3
+
+9 2 4  5 3 1  7 6 8
+8 7 5  4 6 9  1 3 2
+3 1 6  2 8 7  4 5 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,6,null,1,null,7,null,null,0,3,null,7,null,5,2,null,null,5,null,null,null,null,null,null,null,4,null,null,null,null,8,null,null,0,null,null,4,null,null,6,2,null,null,null,7,6,null,null,null,null,3,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4,null,null,null,null,7,null,8,null,null,null,null,null,4,3],"solution":[4,2,6,0,1,8,7,3,5,0,3,1,7,4,5,2,6,8,5,7,8,6,2,3,0,1,4,2,1,3,5,8,7,4,0,6,8,4,0,3,6,2,5,7,1,7,6,5,1,0,4,3,8,2,3,5,4,8,7,6,1,2,0,6,0,2,4,3,1,8,5,7,1,8,7,2,5,0,6,4,3]}
+PUZZLE:
+_ _ 7  _ 2 _  8 _ _
+1 4 _  8 _ 6  3 _ _
+6 _ _  _ _ _  _ _ 5
+
+_ _ _  _ 9 _  _ 1 _
+_ 5 _  _ 7 3  _ _ _
+8 7 _  _ _ _  4 _ _
+
+_ _ _  _ _ _  2 _ _
+_ _ _  5 _ _  _ _ 8
+_ 9 _  _ _ _  _ 5 4
+
+SOLUTION:
+5 3 7  1 2 9  8 4 6
+1 4 2  8 5 6  3 7 9
+6 8 9  7 3 4  1 2 5
+
+3 2 4  6 9 8  5 1 7
+9 5 1  4 7 3  6 8 2
+8 7 6  2 1 5  4 9 3
+
+4 6 5  9 8 7  2 3 1
+7 1 3  5 4 2  9 6 8
+2 9 8  3 6 1  7 5 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,4,null,null,2,7,2,null,null,null,null,null,null,6,null,7,null,null,null,6,null,5,null,8,null,null,null,null,null,1,null,null,4,null,3,6,null,null,0,null,null,null,null,null,null,2,5,null,1,8,null,null,null,null,null,null,8,null,null,null,6,null,null,5,7,null,null,null,null,5,4,null,null,2,null,null,null,null],"solution":[3,6,8,1,4,5,0,2,7,2,5,4,8,0,7,3,6,1,7,1,0,3,6,2,5,4,8,8,2,5,7,3,1,6,0,4,1,3,6,4,8,0,7,5,2,4,0,7,2,5,6,1,8,3,0,7,2,6,1,8,4,3,5,6,8,3,5,7,4,2,1,0,5,4,1,0,2,3,8,7,6]}
+PUZZLE:
+_ _ _  _ 5 _  _ 3 8
+3 _ _  _ _ _  _ 7 _
+8 _ _  _ 7 _  6 _ 9
+
+_ _ _  _ _ 2  _ _ 5
+_ 4 7  _ _ 1  _ _ _
+_ _ _  3 6 _  2 9 _
+
+_ _ _  _ _ 9  _ _ _
+7 _ _  6 8 _  _ _ _
+6 5 _  _ 3 _  _ _ _
+
+SOLUTION:
+4 7 9  2 5 6  1 3 8
+3 6 5  9 1 8  4 7 2
+8 2 1  4 7 3  6 5 9
+
+9 3 6  8 4 2  7 1 5
+2 4 7  5 9 1  8 6 3
+5 1 8  3 6 7  2 9 4
+
+1 8 3  7 2 9  5 4 6
+7 9 4  6 8 5  3 2 1
+6 5 2  1 3 4  9 8 7
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,1,null,null,null,null,null,1,null,null,null,null,3,8,null,null,null,4,null,null,null,null,0,6,null,5,null,null,null,null,null,3,null,2,null,0,null,8,null,null,null,null,null,3,null,null,null,null,null,null,null,null,6,null,null,2,0,null,null,4,null,8,null,5,null,null,6,null,1,null,null,null,0,null,7,8,null,null,null],"solution":[0,7,8,1,6,4,2,3,5,1,5,6,0,2,3,8,7,4,2,4,3,7,8,5,0,6,1,5,8,4,6,1,7,3,0,2,7,0,1,8,3,2,4,5,6,3,6,2,4,5,0,1,8,7,6,3,7,2,0,1,5,4,8,8,2,5,3,4,6,7,1,0,4,1,0,5,7,8,6,2,3]}
+PUZZLE:
+_ _ _  2 _ _  _ _ _
+2 _ _  _ _ 4  9 _ _
+_ 5 _  _ _ _  1 7 _
+
+6 _ _  _ _ _  4 _ 3
+_ 1 _  9 _ _  _ _ _
+4 _ _  _ _ _  _ _ _
+
+7 _ _  3 1 _  _ 5 _
+9 _ 6  _ _ 7  _ 2 _
+_ _ 1  _ 8 9  _ _ _
+
+SOLUTION:
+1 8 9  2 7 5  3 4 6
+2 6 7  1 3 4  9 8 5
+3 5 4  8 9 6  1 7 2
+
+6 9 5  7 2 8  4 1 3
+8 1 2  9 4 3  5 6 7
+4 7 3  5 6 1  2 9 8
+
+7 4 8  3 1 2  6 5 9
+9 3 6  4 5 7  8 2 1
+5 2 1  6 8 9  7 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,6,null,5,1,null,null,null,3,null,null,4,8,null,null,null,null,null,null,null,null,null,3,null,null,null,8,5,null,null,null,null,1,7,null,null,4,null,null,6,null,null,8,null,7,null,null,0,null,null,5,null,null,null,7,null,null,4,null,null,null,null,1,2,null,null,null,null,null,null,null,null,null,2,null,null,6,null,1],"solution":[7,2,8,6,3,5,1,0,4,5,3,1,0,4,8,7,6,2,0,4,6,1,7,2,3,8,5,6,8,5,4,2,3,0,1,7,1,0,4,7,5,6,2,3,8,2,7,3,8,0,1,4,5,6,8,6,7,3,1,4,5,2,0,4,1,2,5,6,0,8,7,3,3,5,0,2,8,7,6,4,1]}
+PUZZLE:
+_ _ _  7 _ 6  2 _ _
+_ 4 _  _ 5 9  _ _ _
+_ _ _  _ _ _  4 _ _
+
+_ 9 6  _ _ _  _ 2 8
+_ _ 5  _ _ 7  _ _ 9
+_ 8 _  _ 1 _  _ 6 _
+
+_ _ 8  _ _ 5  _ _ _
+_ 2 3  _ _ _  _ _ _
+_ _ _  3 _ _  7 _ 2
+
+SOLUTION:
+8 3 9  7 4 6  2 1 5
+6 4 2  1 5 9  8 7 3
+1 5 7  2 8 3  4 9 6
+
+7 9 6  5 3 4  1 2 8
+2 1 5  8 6 7  3 4 9
+3 8 4  9 1 2  5 6 7
+
+9 7 8  4 2 5  6 3 1
+5 2 3  6 7 1  9 8 4
+4 6 1  3 9 8  7 5 2
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,6,4,3,1,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,2,null,0,3,null,1,8,null,null,null,null,null,null,null,null,null,null,7,null,null,5,null,null,null,null,null,null,null,4,null,4,null,null,null,2,8,null,null,null,null,3,null,null,null,null,5,0,null,null,null,null,6,null,null,7,8,null],"solution":[2,0,6,4,3,1,8,5,7,7,8,3,5,0,2,4,6,1,1,5,4,7,8,6,2,3,0,3,2,1,8,4,5,0,7,6,8,4,0,3,6,7,1,2,5,5,6,7,2,1,0,3,4,8,4,7,5,0,2,8,6,1,3,6,3,8,1,7,4,5,0,2,0,1,2,6,5,3,7,8,4]}
+PUZZLE:
+_ _ 7  5 4 2  _ _ _
+_ _ _  6 _ _  _ _ _
+_ _ _  _ _ _  3 _ 1
+
+4 _ 2  9 _ _  _ _ _
+_ _ _  _ _ 8  _ _ 6
+_ _ _  _ _ _  _ 5 _
+
+5 _ _  _ 3 9  _ _ _
+_ 4 _  _ _ _  6 1 _
+_ _ _  7 _ _  8 9 _
+
+SOLUTION:
+3 1 7  5 4 2  9 6 8
+8 9 4  6 1 3  5 7 2
+2 6 5  8 9 7  3 4 1
+
+4 3 2  9 5 6  1 8 7
+9 5 1  4 7 8  2 3 6
+6 7 8  3 2 1  4 5 9
+
+5 8 6  1 3 9  7 2 4
+7 4 9  2 8 5  6 1 3
+1 2 3  7 6 4  8 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,null,8,null,null,null,7,3,null,7,null,6,null,2,8,null,null,null,null,null,null,5,6,null,null,null,null,null,null,2,7,null,null,null,null,null,3,null,null,null,null,null,6,2,null,null,null,null,null,5,null,null,5,4,null,2,null,8,null,null,null,null,3,null,null,5,null,null,null,1,0,null,null,null,7,null,null,null,null],"solution":[6,5,0,1,8,2,3,4,7,3,1,7,0,6,4,2,8,5,4,2,8,7,3,5,6,1,0,1,6,5,8,2,7,0,3,4,8,7,3,5,4,0,1,2,6,2,0,4,6,1,3,5,7,8,5,4,1,2,0,8,7,6,3,7,3,2,4,5,6,8,0,1,0,8,6,3,7,1,4,5,2]}
+PUZZLE:
+_ _ 1  _ 9 _  _ _ 8
+4 _ 8  _ 7 _  3 9 _
+_ _ _  _ _ 6  7 _ _
+
+_ _ _  _ 3 8  _ _ _
+_ _ 4  _ _ _  _ _ 7
+3 _ _  _ _ _  6 _ _
+
+6 5 _  3 _ 9  _ _ _
+_ 4 _  _ 6 _  _ _ 2
+1 _ _  _ 8 _  _ _ _
+
+SOLUTION:
+7 6 1  2 9 3  4 5 8
+4 2 8  1 7 5  3 9 6
+5 3 9  8 4 6  7 2 1
+
+2 7 6  9 3 8  1 4 5
+9 8 4  6 5 1  2 3 7
+3 1 5  7 2 4  6 8 9
+
+6 5 2  3 1 9  8 7 4
+8 4 3  5 6 7  9 1 2
+1 9 7  4 8 2  5 6 3
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,7,null,null,null,7,null,null,null,null,null,0,null,3,null,1,5,null,null,null,null,null,2,2,4,null,8,1,null,null,null,0,null,7,8,null,0,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,2,1,null,null,6,null,8,1,null,null,4,null,null,null,null,null,null,null,null,null,null,0,null,3,7],"solution":[8,6,0,3,2,7,4,5,1,7,2,4,6,5,1,0,8,3,3,1,5,0,4,8,7,6,2,2,4,3,8,1,6,5,7,0,6,7,8,5,0,2,3,1,4,5,0,1,7,3,4,8,2,6,0,3,2,1,7,5,6,4,8,1,8,7,4,6,3,2,0,5,4,5,6,2,8,0,1,3,7]}
+PUZZLE:
+_ _ _  _ _ 8  _ _ _
+8 _ _  _ _ _  1 _ 4
+_ 2 6  _ _ _  _ _ 3
+
+3 5 _  9 2 _  _ _ 1
+_ 8 9  _ 1 _  _ 2 _
+_ _ _  _ _ _  _ _ _
+
+_ _ 3  2 _ _  7 _ 9
+2 _ _  5 _ _  _ _ _
+_ _ _  _ _ 1  _ 4 8
+
+SOLUTION:
+9 7 1  4 3 8  5 6 2
+8 3 5  7 6 2  1 9 4
+4 2 6  1 5 9  8 7 3
+
+3 5 4  9 2 7  6 8 1
+7 8 9  6 1 3  4 2 5
+6 1 2  8 4 5  9 3 7
+
+1 4 3  2 8 6  7 5 9
+2 9 8  5 7 4  3 1 6
+5 6 7  3 9 1  2 4 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[1,2,null,null,7,null,null,3,null,8,3,null,null,null,null,2,null,null,null,null,null,null,null,null,null,8,null,null,null,null,4,3,null,null,5,1,null,6,null,null,8,null,null,null,2,null,null,null,0,null,2,null,null,3,4,0,null,null,null,null,7,null,null,null,null,null,null,null,0,null,null,null,null,null,null,5,null,null,null,4,null],"solution":[1,2,0,6,7,8,5,3,4,8,3,5,1,0,4,2,6,7,7,4,6,2,5,3,1,8,0,0,7,2,4,3,6,8,5,1,3,6,1,7,8,5,4,0,2,5,8,4,0,1,2,6,7,3,4,0,8,3,6,1,7,2,5,2,5,7,8,4,0,3,1,6,6,1,3,5,2,7,0,4,8]}
+PUZZLE:
+2 3 _  _ 8 _  _ 4 _
+9 4 _  _ _ _  3 _ _
+_ _ _  _ _ _  _ 9 _
+
+_ _ _  5 4 _  _ 6 2
+_ 7 _  _ 9 _  _ _ 3
+_ _ _  1 _ 3  _ _ 4
+
+5 1 _  _ _ _  8 _ _
+_ _ _  _ _ 1  _ _ _
+_ _ _  6 _ _  _ 5 _
+
+SOLUTION:
+2 3 1  7 8 9  6 4 5
+9 4 6  2 1 5  3 7 8
+8 5 7  3 6 4  2 9 1
+
+1 8 3  5 4 7  9 6 2
+4 7 2  8 9 6  5 1 3
+6 9 5  1 2 3  7 8 4
+
+5 1 9  4 7 2  8 3 6
+3 6 8  9 5 1  4 2 7
+7 2 4  6 3 8  1 5 9
+
+RATING: 4
+DATA:
+{"puzzle":[0,3,null,null,null,null,null,null,null,null,null,null,null,1,null,null,4,null,null,2,null,null,null,0,null,6,3,4,8,null,null,null,5,null,null,null,null,1,null,7,null,8,null,null,2,null,null,2,null,3,null,null,null,null,null,null,8,null,0,null,4,2,6,null,null,null,4,null,null,null,null,null,null,null,5,null,8,null,null,7,null],"solution":[0,3,1,6,5,4,2,8,7,8,6,7,3,1,2,0,4,5,5,2,4,8,7,0,1,6,3,4,8,6,0,2,5,7,3,1,3,1,0,7,4,8,6,5,2,7,5,2,1,3,6,8,0,4,1,7,8,5,0,3,4,2,6,2,0,3,4,6,7,5,1,8,6,4,5,2,8,1,3,7,0]}
+PUZZLE:
+1 4 _  _ _ _  _ _ _
+_ _ _  _ 2 _  _ 5 _
+_ 3 _  _ _ 1  _ 7 4
+
+5 9 _  _ _ 6  _ _ _
+_ 2 _  8 _ 9  _ _ 3
+_ _ 3  _ 4 _  _ _ _
+
+_ _ 9  _ 1 _  5 3 7
+_ _ _  5 _ _  _ _ _
+_ _ 6  _ 9 _  _ 8 _
+
+SOLUTION:
+1 4 2  7 6 5  3 9 8
+9 7 8  4 2 3  1 5 6
+6 3 5  9 8 1  2 7 4
+
+5 9 7  1 3 6  8 4 2
+4 2 1  8 5 9  7 6 3
+8 6 3  2 4 7  9 1 5
+
+2 8 9  6 1 4  5 3 7
+3 1 4  5 7 8  6 2 9
+7 5 6  3 9 2  4 8 1
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,1,null,null,null,null,null,2,null,1,0,null,null,null,null,3,null,null,null,4,null,5,null,8,null,null,6,null,null,4,null,3,null,1,null,null,2,5,null,null,null,null,0,3,null,0,null,null,null,5,null,null,4,5,8,null,null,null,null,null,null,null,null,null,null,null,null,2,null,8,null,null,null,null,null,1,6,null,null],"solution":[5,3,4,1,8,2,7,0,6,2,8,1,0,6,7,4,5,3,6,0,7,4,3,5,1,8,2,8,6,5,2,4,0,3,7,1,1,4,2,5,7,3,8,6,0,3,7,0,6,1,8,5,2,4,4,5,8,3,2,6,0,1,7,0,1,6,7,5,4,2,3,8,7,2,3,8,0,1,6,4,5]}
+PUZZLE:
+_ _ _  2 _ _  _ _ _
+3 _ 2  1 _ _  _ _ 4
+_ _ _  5 _ 6  _ 9 _
+
+_ 7 _  _ 5 _  4 _ 2
+_ _ 3  6 _ _  _ _ 1
+4 _ 1  _ _ _  6 _ _
+
+5 6 9  _ _ _  _ _ _
+_ _ _  _ _ _  3 _ 9
+_ _ _  _ _ 2  7 _ _
+
+SOLUTION:
+6 4 5  2 9 3  8 1 7
+3 9 2  1 7 8  5 6 4
+7 1 8  5 4 6  2 9 3
+
+9 7 6  3 5 1  4 8 2
+2 5 3  6 8 4  9 7 1
+4 8 1  7 2 9  6 3 5
+
+5 6 9  4 3 7  1 2 8
+1 2 7  8 6 5  3 4 9
+8 3 4  9 1 2  7 5 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,8,null,null,null,null,null,null,null,null,null,4,null,null,2,5,null,null,null,null,null,6,1,null,null,3,8,null,1,6,null,null,null,3,null,null,null,null,2,5,null,null,0,null,null,null,null,null,null,null,null,null,null,null,4,2,1,null,null,null,7,null,null,null,7,null,null,5,0,null,null,null,5,null,null,7,null,null,null,2],"solution":[4,6,8,5,3,2,7,1,0,0,1,3,4,8,7,2,5,6,2,7,5,0,6,1,4,8,3,8,2,1,6,4,0,5,3,7,7,3,6,2,5,8,1,0,4,5,0,4,7,1,3,6,2,8,3,4,2,1,0,6,8,7,5,6,8,7,3,2,5,0,4,1,1,5,0,8,7,4,3,6,2]}
+PUZZLE:
+_ 7 9  _ _ _  _ _ _
+_ _ _  5 _ _  3 6 _
+_ _ _  _ 7 2  _ _ 4
+
+9 _ 2  7 _ _  _ 4 _
+_ _ _  3 6 _  _ 1 _
+_ _ _  _ _ _  _ _ _
+
+_ 5 3  2 _ _  _ 8 _
+_ _ 8  _ _ 6  1 _ _
+_ 6 _  _ 8 _  _ _ 3
+
+SOLUTION:
+5 7 9  6 4 3  8 2 1
+1 2 4  5 9 8  3 6 7
+3 8 6  1 7 2  5 9 4
+
+9 3 2  7 5 1  6 4 8
+8 4 7  3 6 9  2 1 5
+6 1 5  8 2 4  7 3 9
+
+4 5 3  2 1 7  9 8 6
+7 9 8  4 3 6  1 5 2
+2 6 1  9 8 5  4 7 3
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,5,8,null,null,null,2,null,6,null,null,null,null,null,null,1,null,null,null,null,1,4,3,null,8,null,null,null,null,4,6,5,null,null,null,3,null,null,null,null,0,null,null,null,8,5,null,null,null,null,null,null,2,null,null,null,5,null,null,null,0,null,null,7,0,null,null,null,null,null,5,null,8,4,null,null,null,null,null,null],"solution":[4,1,5,8,0,6,7,2,3,6,3,8,7,5,2,4,1,0,7,0,2,1,4,3,5,8,6,0,2,1,4,6,5,3,7,8,3,4,7,2,8,0,6,5,1,8,5,6,3,1,7,0,4,2,2,6,3,5,7,8,1,0,4,1,7,0,6,2,4,8,3,5,5,8,4,0,3,1,2,6,7]}
+PUZZLE:
+_ _ 6  9 _ _  _ 3 _
+7 _ _  _ _ _  _ 2 _
+_ _ _  2 5 4  _ 9 _
+
+_ _ _  5 7 6  _ _ _
+4 _ _  _ _ 1  _ _ _
+9 6 _  _ _ _  _ _ 3
+
+_ _ _  6 _ _  _ 1 _
+_ 8 1  _ _ _  _ _ 6
+_ 9 5  _ _ _  _ _ _
+
+SOLUTION:
+5 2 6  9 1 7  8 3 4
+7 4 9  8 6 3  5 2 1
+8 1 3  2 5 4  6 9 7
+
+1 3 2  5 7 6  4 8 9
+4 5 8  3 9 1  7 6 2
+9 6 7  4 2 8  1 5 3
+
+3 7 4  6 8 9  2 1 5
+2 8 1  7 3 5  9 4 6
+6 9 5  1 4 2  3 7 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,1,6,7,null,null,null,6,null,8,null,null,null,null,1,null,null,3,4,null,null,8,null,null,null,null,null,null,null,null,6,null,null,7,null,null,null,null,3,null,null,5,2,null,null,null,4,7,null,null,null,3,null,null,null,null,2,null,null,2,null,null,0,7,null,null,null,null,null,null,1,null,null,6,null],"solution":[5,0,8,4,2,7,3,1,6,7,4,3,1,6,5,8,2,0,2,6,1,0,8,3,4,7,5,8,7,4,5,3,6,2,0,1,6,2,0,7,4,1,5,8,3,1,3,5,2,0,8,6,4,7,0,8,6,3,7,4,1,5,2,4,1,2,6,5,0,7,3,8,3,5,7,8,1,2,0,6,4]}
+PUZZLE:
+_ _ _  5 _ _  _ 2 7
+8 _ _  _ 7 _  9 _ _
+_ _ 2  _ _ 4  5 _ _
+
+9 _ _  _ _ _  _ _ _
+7 _ _  8 _ _  _ _ 4
+_ _ 6  3 _ _  _ 5 8
+
+_ _ _  4 _ _  _ _ 3
+_ _ 3  _ _ 1  8 _ _
+_ _ _  _ 2 _  _ 7 _
+
+SOLUTION:
+6 1 9  5 3 8  4 2 7
+8 5 4  2 7 6  9 3 1
+3 7 2  1 9 4  5 8 6
+
+9 8 5  6 4 7  3 1 2
+7 3 1  8 5 2  6 9 4
+2 4 6  3 1 9  7 5 8
+
+1 9 7  4 8 5  2 6 3
+5 2 3  7 6 1  8 4 9
+4 6 8  9 2 3  1 7 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,0,null,7,null,3,null,null,null,null,null,3,null,1,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,8,null,null,null,0,null,null,null,null,null,0,null,null,null,4,null,null,null,6,4,null,7,8,2,null,8,null,1,null,2,null,null,null,3,null,5,4,null,null,null,null,6,1,null,null,null,null,null,null,null,3],"solution":[6,1,0,5,7,4,3,2,8,5,2,8,3,6,1,4,7,0,7,3,4,0,2,8,5,6,1,2,4,3,8,1,7,6,0,5,8,6,7,2,0,5,1,3,4,0,5,1,6,4,3,7,8,2,4,8,6,1,3,2,0,5,7,3,7,5,4,8,0,2,1,6,1,0,2,7,5,6,8,4,3]}
+PUZZLE:
+_ _ 1  _ 8 _  4 _ _
+_ _ _  4 _ 2  _ _ _
+_ _ 5  _ _ _  _ _ _
+
+_ _ _  9 _ _  _ 1 _
+_ _ _  _ 1 _  _ _ 5
+_ _ _  7 5 _  8 9 3
+
+_ 9 _  2 _ 3  _ _ _
+4 _ 6  5 _ _  _ _ 7
+2 _ _  _ _ _  _ _ 4
+
+SOLUTION:
+7 2 1  6 8 5  4 3 9
+6 3 9  4 7 2  5 8 1
+8 4 5  1 3 9  6 7 2
+
+3 5 4  9 2 8  7 1 6
+9 7 8  3 1 6  2 4 5
+1 6 2  7 5 4  8 9 3
+
+5 9 7  2 4 3  1 6 8
+4 8 6  5 9 1  3 2 7
+2 1 3  8 6 7  9 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,null,6,null,null,null,null,5,null,null,4,5,2,null,0,null,null,null,null,2,null,0,null,null,4,null,2,null,null,8,null,0,null,null,null,null,null,8,1,null,null,2,null,7,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,5,3,null,6,null,null,null,null,null,null,null,0,4,null,7,null,null,1,8,null,null],"solution":[8,7,0,6,1,4,3,2,5,1,3,4,5,2,7,0,8,6,5,6,2,3,0,8,7,4,1,2,4,5,8,7,0,6,1,3,3,0,8,1,4,6,2,5,7,7,1,6,2,5,3,4,0,8,0,8,1,7,6,2,5,3,4,6,2,3,4,8,5,1,7,0,4,5,7,0,3,1,8,6,2]}
+PUZZLE:
+_ 8 _  7 _ _  _ _ 6
+_ _ 5  6 3 _  1 _ _
+_ _ 3  _ 1 _  _ 5 _
+
+3 _ _  9 _ 1  _ _ _
+_ _ 9  2 _ _  3 _ 8
+_ 2 _  _ _ _  _ _ _
+
+_ _ _  _ _ _  6 4 _
+7 _ _  _ _ _  _ _ 1
+5 _ 8  _ _ 2  9 _ _
+
+SOLUTION:
+9 8 1  7 2 5  4 3 6
+2 4 5  6 3 8  1 9 7
+6 7 3  4 1 9  8 5 2
+
+3 5 6  9 8 1  7 2 4
+4 1 9  2 5 7  3 6 8
+8 2 7  3 6 4  5 1 9
+
+1 9 2  8 7 3  6 4 5
+7 3 4  5 9 6  2 8 1
+5 6 8  1 4 2  9 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,8,null,null,null,null,null,0,null,null,7,3,null,5,1,null,null,null,6,null,null,null,null,null,null,null,2,null,null,null,3,null,8,null,null,null,4,0,null,null,null,null,1,7,null,8,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,5,4,null,null,2,null,null,null,4,1,0,8,null,null,null],"solution":[3,1,8,6,2,4,5,7,0,4,0,7,3,8,5,1,6,2,5,6,2,7,1,0,4,8,3,2,7,5,4,3,1,8,0,6,6,4,0,8,5,2,3,1,7,1,8,3,0,6,7,2,5,4,8,5,6,2,7,3,0,4,1,0,3,1,5,4,6,7,2,8,7,2,4,1,0,8,6,3,5]}
+PUZZLE:
+_ 2 9  _ _ _  _ _ 1
+_ _ 8  4 _ 6  2 _ _
+_ 7 _  _ _ _  _ _ _
+
+3 _ _  _ 4 _  9 _ _
+_ 5 1  _ _ _  _ 2 8
+_ 9 _  1 _ _  _ _ _
+
+_ _ _  _ _ _  _ _ 2
+_ _ _  6 5 _  _ 3 _
+_ _ 5  2 1 9  _ _ _
+
+SOLUTION:
+4 2 9  7 3 5  6 8 1
+5 1 8  4 9 6  2 7 3
+6 7 3  8 2 1  5 9 4
+
+3 8 6  5 4 2  9 1 7
+7 5 1  9 6 3  4 2 8
+2 9 4  1 7 8  3 6 5
+
+9 6 7  3 8 4  1 5 2
+1 4 2  6 5 7  8 3 9
+8 3 5  2 1 9  7 4 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[4,null,null,null,null,null,null,5,null,null,null,7,null,null,1,null,0,null,null,0,null,null,6,null,null,null,null,3,6,null,null,null,5,8,null,null,0,null,null,null,null,null,2,null,null,null,null,5,null,null,7,null,6,null,7,null,null,2,null,null,null,8,null,null,null,null,null,5,3,null,4,null,null,5,2,null,null,null,null,null,6],"solution":[4,8,6,7,0,2,3,5,1,5,2,7,3,4,1,6,0,8,1,0,3,5,6,8,4,2,7,3,6,1,0,2,5,8,7,4,0,7,8,6,3,4,2,1,5,2,4,5,1,8,7,0,6,3,7,3,4,2,1,6,5,8,0,6,1,0,8,5,3,7,4,2,8,5,2,4,7,0,1,3,6]}
+PUZZLE:
+5 _ _  _ _ _  _ 6 _
+_ _ 8  _ _ 2  _ 1 _
+_ 1 _  _ 7 _  _ _ _
+
+4 7 _  _ _ 6  9 _ _
+1 _ _  _ _ _  3 _ _
+_ _ 6  _ _ 8  _ 7 _
+
+8 _ _  3 _ _  _ 9 _
+_ _ _  _ 6 4  _ 5 _
+_ 6 3  _ _ _  _ _ 7
+
+SOLUTION:
+5 9 7  8 1 3  4 6 2
+6 3 8  4 5 2  7 1 9
+2 1 4  6 7 9  5 3 8
+
+4 7 2  1 3 6  9 8 5
+1 8 9  7 4 5  3 2 6
+3 5 6  2 9 8  1 7 4
+
+8 4 5  3 2 7  6 9 1
+7 2 1  9 6 4  8 5 3
+9 6 3  5 8 1  2 4 7
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,null,null,null,null,5,null,null,null,null,7,2,null,7,null,null,null,4,null,3,null,2,null,null,null,null,null,null,0,null,null,null,0,null,null,null,1,null,6,null,null,null,null,1,null,null,null,null,4,6,null,7,null,5,8,null,null,0,null,null,null,null,2,null,null,null,null,null,null,null,8,6,null,null,5],"solution":[6,0,3,2,5,7,4,1,8,8,4,5,0,3,1,6,7,2,1,7,2,8,6,4,5,3,0,2,1,6,5,7,8,3,0,4,7,8,0,4,2,3,1,5,6,5,3,4,6,1,0,2,8,7,4,6,1,7,0,5,8,2,3,0,5,8,3,4,2,7,6,1,3,2,7,1,8,6,0,4,5]}
+PUZZLE:
+_ _ _  _ _ _  5 _ _
+_ _ 6  _ _ _  _ 8 3
+_ 8 _  _ _ 5  _ 4 _
+
+3 _ _  _ _ _  _ 1 _
+_ _ 1  _ _ _  2 _ 7
+_ _ _  _ 2 _  _ _ _
+
+5 7 _  8 _ 6  9 _ _
+1 _ _  _ _ 3  _ _ _
+_ _ _  _ 9 7  _ _ 6
+
+SOLUTION:
+7 1 4  3 6 8  5 2 9
+9 5 6  1 4 2  7 8 3
+2 8 3  9 7 5  6 4 1
+
+3 2 7  6 8 9  4 1 5
+8 9 1  5 3 4  2 6 7
+6 4 5  7 2 1  3 9 8
+
+5 7 2  8 1 6  9 3 4
+1 6 9  4 5 3  8 7 2
+4 3 8  2 9 7  1 5 6
+
+RATING: 3
+DATA:
+{"puzzle":[8,null,null,4,null,null,null,null,2,null,null,null,null,null,null,5,null,7,4,null,7,null,null,2,null,null,0,1,null,null,null,null,null,0,null,null,null,null,0,null,null,null,4,null,null,null,null,3,1,6,null,null,null,null,7,2,null,5,null,null,null,null,null,null,1,null,null,3,4,7,null,null,null,null,4,8,null,null,null,null,null],"solution":[8,0,5,4,7,1,6,3,2,2,6,1,0,8,3,5,4,7,4,3,7,6,5,2,8,1,0,1,8,2,7,4,5,0,6,3,6,7,0,3,2,8,4,5,1,5,4,3,1,6,0,2,7,8,7,2,8,5,1,6,3,0,4,0,1,6,2,3,4,7,8,5,3,5,4,8,0,7,1,2,6]}
+PUZZLE:
+9 _ _  5 _ _  _ _ 3
+_ _ _  _ _ _  6 _ 8
+5 _ 8  _ _ 3  _ _ 1
+
+2 _ _  _ _ _  1 _ _
+_ _ 1  _ _ _  5 _ _
+_ _ 4  2 7 _  _ _ _
+
+8 3 _  6 _ _  _ _ _
+_ 2 _  _ 4 5  8 _ _
+_ _ 5  9 _ _  _ _ _
+
+SOLUTION:
+9 1 6  5 8 2  7 4 3
+3 7 2  1 9 4  6 5 8
+5 4 8  7 6 3  9 2 1
+
+2 9 3  8 5 6  1 7 4
+7 8 1  4 3 9  5 6 2
+6 5 4  2 7 1  3 8 9
+
+8 3 9  6 2 7  4 1 5
+1 2 7  3 4 5  8 9 6
+4 6 5  9 1 8  2 3 7
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,null,4,null,null,null,null,3,null,7,5,null,null,null,null,null,null,null,5,7,null,0,null,null,null,null,0,null,2,null,8,5,null,null,5,4,null,null,null,null,null,null,null,null,3,2,null,null,null,null,null,0,null,null,null,null,0,null,null,5,null,null,5,null,null,2,null,null,3,1,null,null,0,null,1,null,null,null,2],"solution":[0,8,1,6,4,2,3,7,5,3,6,7,5,8,1,2,0,4,4,2,5,7,3,0,8,1,6,1,0,6,2,7,8,5,4,3,5,4,8,0,6,3,1,2,7,7,3,2,1,5,4,6,8,0,2,1,3,4,0,6,7,5,8,6,5,4,8,2,7,0,3,1,8,7,0,3,1,5,4,6,2]}
+PUZZLE:
+_ _ _  _ 5 _  _ _ _
+4 _ 8  6 _ _  _ _ _
+_ _ 6  8 _ 1  _ _ _
+
+_ 1 _  3 _ 9  6 _ _
+6 5 _  _ _ _  _ _ _
+_ 4 3  _ _ _  _ _ 1
+
+_ _ _  _ 1 _  _ 6 _
+_ 6 _  _ 3 _  _ 4 2
+_ _ 1  _ 2 _  _ _ 3
+
+SOLUTION:
+1 9 2  7 5 3  4 8 6
+4 7 8  6 9 2  3 1 5
+5 3 6  8 4 1  9 2 7
+
+2 1 7  3 8 9  6 5 4
+6 5 9  1 7 4  2 3 8
+8 4 3  2 6 5  7 9 1
+
+3 2 4  5 1 7  8 6 9
+7 6 5  9 3 8  1 4 2
+9 8 1  4 2 6  5 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,0,null,null,null,null,7,6,null,0,null,null,null,null,null,null,null,8,5,null,7,null,null,null,null,7,null,null,null,null,1,null,5,null,null,null,null,4,null,null,null,null,3,null,null,null,3,5,null,7,null,1,5,null,null,null,6,null,null,null,8,2,4,null,null,null,null,null,3,null,3,null,null,null,null,5,null,null,null],"solution":[1,2,3,0,8,6,5,4,7,6,7,0,5,3,4,1,8,2,4,8,5,1,7,2,3,0,6,7,3,2,6,0,1,8,5,4,8,5,1,4,2,7,0,6,3,0,6,4,3,5,8,7,2,1,5,0,7,2,6,3,4,1,8,2,4,8,7,1,0,6,3,5,3,1,6,8,4,5,2,7,0]}
+PUZZLE:
+_ 3 _  1 _ _  _ _ 8
+7 _ 1  _ _ _  _ _ _
+_ 9 6  _ 8 _  _ _ _
+
+8 _ _  _ _ 2  _ 6 _
+_ _ _  5 _ _  _ _ 4
+_ _ _  4 6 _  8 _ 2
+
+6 _ _  _ 7 _  _ _ 9
+3 5 _  _ _ _  _ 4 _
+4 _ _  _ _ 6  _ _ _
+
+SOLUTION:
+2 3 4  1 9 7  6 5 8
+7 8 1  6 4 5  2 9 3
+5 9 6  2 8 3  4 1 7
+
+8 4 3  7 1 2  9 6 5
+9 6 2  5 3 8  1 7 4
+1 7 5  4 6 9  8 3 2
+
+6 1 8  3 7 4  5 2 9
+3 5 9  8 2 1  7 4 6
+4 2 7  9 5 6  3 8 1
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,5,null,3,null,null,null,null,null,7,null,null,null,5,null,4,null,null,1,null,null,0,null,null,3,null,null,null,6,8,null,1,null,0,null,8,null,null,null,null,3,null,null,null,null,null,null,6,5,7,null,null,null,null,4,null,null,null,null,null,2,8,null,null,8,1,null,null,7,null,null,null,null,3,null,null,null,null,null,null],"solution":[2,8,5,4,3,6,0,7,1,3,7,0,2,1,5,8,4,6,6,1,4,7,0,8,2,3,5,4,3,6,8,2,1,5,0,7,8,5,7,0,4,3,1,6,2,1,0,2,6,5,7,3,8,4,5,4,1,3,7,0,6,2,8,0,2,8,1,6,4,7,5,3,7,6,3,5,8,2,4,1,0]}
+PUZZLE:
+_ _ 6  _ 4 _  _ _ _
+_ 8 _  _ _ 6  _ 5 _
+_ 2 _  _ 1 _  _ 4 _
+
+_ _ 7  9 _ 2  _ 1 _
+9 _ _  _ _ 4  _ _ _
+_ _ _  7 6 8  _ _ _
+
+_ 5 _  _ _ _  _ 3 9
+_ _ 9  2 _ _  8 _ _
+_ _ 4  _ _ _  _ _ _
+
+SOLUTION:
+3 9 6  5 4 7  1 8 2
+4 8 1  3 2 6  9 5 7
+7 2 5  8 1 9  3 4 6
+
+5 4 7  9 3 2  6 1 8
+9 6 8  1 5 4  2 7 3
+2 1 3  7 6 8  4 9 5
+
+6 5 2  4 8 1  7 3 9
+1 3 9  2 7 5  8 6 4
+8 7 4  6 9 3  5 2 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,1,null,null,null,3,null,null,null,null,null,null,7,null,null,8,5,4,null,null,null,null,null,null,null,null,null,null,null,null,0,5,null,null,null,null,null,6,null,null,null,null,4,null,5,null,3,4,null,null,1,null,null,null,null,null,null,null,null,8,1,null,null,7,2,null,1,null,null,null,null,6,2,null,null,null,null,null,3],"solution":[7,0,8,1,2,6,4,3,5,2,1,3,4,5,7,0,6,8,5,4,6,0,8,3,1,7,2,3,7,4,8,1,0,5,2,6,8,2,1,6,7,5,3,0,4,6,5,0,3,4,2,8,1,7,0,3,5,7,6,4,2,8,1,4,8,7,2,3,1,6,5,0,1,6,2,5,0,8,7,4,3]}
+PUZZLE:
+_ 1 _  2 _ _  _ 4 _
+_ _ _  _ _ 8  _ _ 9
+6 5 _  _ _ _  _ _ _
+
+_ _ _  _ _ 1  6 _ _
+_ _ _  7 _ _  _ _ 5
+_ 6 _  4 5 _  _ 2 _
+
+_ _ _  _ _ _  _ 9 2
+_ _ 8  3 _ 2  _ _ _
+_ 7 3  _ _ _  _ _ 4
+
+SOLUTION:
+8 1 9  2 3 7  5 4 6
+3 2 4  5 6 8  1 7 9
+6 5 7  1 9 4  2 8 3
+
+4 8 5  9 2 1  6 3 7
+9 3 2  7 8 6  4 1 5
+7 6 1  4 5 3  9 2 8
+
+1 4 6  8 7 5  3 9 2
+5 9 8  3 4 2  7 6 1
+2 7 3  6 1 9  8 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,3,null,null,null,null,null,null,7,6,null,null,3,null,null,null,0,null,null,null,null,null,8,4,null,8,null,null,null,null,7,null,null,3,null,null,null,null,null,null,6,5,null,null,6,5,2,null,null,0,null,null,null,null,null,6,4,null,null,0,1,null,8,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null],"solution":[6,4,1,8,3,5,0,7,2,8,2,7,6,4,0,3,5,1,5,0,3,7,1,2,6,8,4,2,8,5,1,0,6,7,4,3,3,1,0,4,7,8,2,6,5,4,7,6,5,2,3,1,0,8,7,5,2,3,6,4,8,1,0,1,3,8,0,5,7,4,2,6,0,6,4,2,8,1,5,3,7]}
+PUZZLE:
+_ _ _  9 4 _  _ _ _
+_ _ 8  7 _ _  4 _ _
+_ 1 _  _ _ _  _ 9 5
+
+_ 9 _  _ _ _  8 _ _
+4 _ _  _ _ _  _ 7 6
+_ _ 7  6 3 _  _ 1 _
+
+_ _ _  _ 7 5  _ _ 1
+2 _ 9  _ _ _  _ 3 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+7 5 2  9 4 6  1 8 3
+9 3 8  7 5 1  4 6 2
+6 1 4  8 2 3  7 9 5
+
+3 9 6  2 1 7  8 5 4
+4 2 1  5 8 9  3 7 6
+5 8 7  6 3 4  2 1 9
+
+8 6 3  4 7 5  9 2 1
+2 4 9  1 6 8  5 3 7
+1 7 5  3 9 2  6 4 8
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,0,null,2,null,null,null,5,null,null,6,null,null,null,null,8,null,null,6,null,null,5,null,1,null,null,8,null,null,null,6,1,null,null,null,null,null,null,null,null,null,null,null,2,4,0,5,null,8,6,3,null,null,null,null,3,null,null,null,6,null,null,2,null,null,null,null,null,null,0,8,3,null,null,null,null,null,4,null],"solution":[3,1,8,0,4,2,7,5,6,5,7,2,6,3,1,4,0,8,4,0,6,7,8,5,2,1,3,7,8,3,4,0,6,1,2,5,1,6,5,2,7,3,0,8,4,2,4,0,5,1,8,6,3,7,0,5,4,3,2,7,8,6,1,6,2,1,8,5,4,3,7,0,8,3,7,1,6,0,5,4,2]}
+PUZZLE:
+_ _ _  1 _ 3  _ _ _
+6 _ _  7 _ _  _ _ 9
+_ _ 7  _ _ 6  _ 2 _
+
+_ 9 _  _ _ 7  2 _ _
+_ _ _  _ _ _  _ _ _
+3 5 1  6 _ 9  7 4 _
+
+_ _ _  4 _ _  _ 7 _
+_ 3 _  _ _ _  _ _ 1
+9 4 _  _ _ _  _ 5 _
+
+SOLUTION:
+4 2 9  1 5 3  8 6 7
+6 8 3  7 4 2  5 1 9
+5 1 7  8 9 6  3 2 4
+
+8 9 4  5 1 7  2 3 6
+2 7 6  3 8 4  1 9 5
+3 5 1  6 2 9  7 4 8
+
+1 6 5  4 3 8  9 7 2
+7 3 2  9 6 5  4 8 1
+9 4 8  2 7 1  6 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,5,3,null,0,null,null,null,null,null,null,8,1,null,null,3,null,null,null,7,6,4,null,null,1,7,null,3,null,null,null,null,6,null,null,null,null,null,null,null,null,2,null,0,3,8,null,7,0,null,null,8,null,null,null,null,5,null,null,7,null,6,null,null,null,null,null,null,8,null,1,null,null,null,null],"solution":[8,6,4,7,2,1,0,5,3,7,0,3,4,5,6,2,1,8,1,2,5,3,8,0,4,7,6,4,8,0,1,7,5,3,6,2,3,7,6,2,4,8,5,0,1,5,1,2,6,0,3,8,4,7,0,4,1,8,3,7,6,2,5,2,3,7,5,6,4,1,8,0,6,5,8,0,1,2,7,3,4]}
+PUZZLE:
+_ _ _  _ _ _  _ 6 4
+_ 1 _  _ _ _  _ _ 9
+2 _ _  4 _ _  _ 8 7
+
+5 _ _  2 8 _  4 _ _
+_ _ 7  _ _ _  _ _ _
+_ _ 3  _ 1 4  9 _ 8
+
+1 _ _  9 _ _  _ _ 6
+_ _ 8  _ 7 _  _ _ _
+_ _ 9  _ 2 _  _ _ _
+
+SOLUTION:
+9 7 5  8 3 2  1 6 4
+8 1 4  5 6 7  3 2 9
+2 3 6  4 9 1  5 8 7
+
+5 9 1  2 8 6  4 7 3
+4 8 7  3 5 9  6 1 2
+6 2 3  7 1 4  9 5 8
+
+1 5 2  9 4 8  7 3 6
+3 4 8  6 7 5  2 9 1
+7 6 9  1 2 3  8 4 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,null,null,null,null,null,null,8,null,2,null,null,3,0,null,6,null,null,4,null,null,null,2,null,null,null,null,null,2,null,null,null,5,0,null,5,null,7,3,null,1,null,null,null,null,8,4,1,null,null,null,null,null,6,7,null,null,null,5,null,null,null,null,null,3,8,7,null,null,null,null,null,null,null,null,null,null,null,3],"solution":[6,7,0,1,2,4,8,3,5,8,1,2,5,7,3,0,4,6,5,3,4,8,0,6,2,1,7,1,4,3,2,6,8,7,5,0,2,5,6,7,3,0,1,8,4,7,0,8,4,1,5,3,6,2,3,6,7,0,4,1,5,2,8,4,2,5,3,8,7,6,0,1,0,8,1,6,5,2,4,7,3]}
+PUZZLE:
+_ _ 1  _ _ _  _ _ _
+9 _ 3  _ _ 4  1 _ 7
+_ _ 5  _ _ _  3 _ _
+
+_ _ _  3 _ _  _ 6 1
+_ 6 _  8 4 _  2 _ _
+_ _ 9  5 2 _  _ _ _
+
+_ 7 8  _ _ _  6 _ _
+_ _ _  4 9 8  _ _ _
+_ _ _  _ _ _  _ _ 4
+
+SOLUTION:
+7 8 1  2 3 5  9 4 6
+9 2 3  6 8 4  1 5 7
+6 4 5  9 1 7  3 2 8
+
+2 5 4  3 7 9  8 6 1
+3 6 7  8 4 1  2 9 5
+8 1 9  5 2 6  4 7 3
+
+4 7 8  1 5 2  6 3 9
+5 3 6  4 9 8  7 1 2
+1 9 2  7 6 3  5 8 4
+
+RATING: 2
+DATA:
+{"puzzle":[null,3,0,null,null,7,null,8,2,null,1,null,0,null,null,null,null,7,6,null,null,null,null,null,1,null,null,null,null,null,null,8,6,4,5,null,null,null,null,null,null,null,null,null,null,null,7,null,1,null,4,null,null,6,3,null,null,null,null,null,null,null,5,null,null,4,8,null,null,null,null,null,null,null,1,null,0,null,3,2,null],"solution":[4,3,0,5,1,7,6,8,2,2,1,8,0,6,3,5,4,7,6,5,7,2,4,8,1,0,3,0,2,3,7,8,6,4,5,1,1,4,6,3,5,0,2,7,8,8,7,5,1,2,4,0,3,6,3,0,2,4,7,1,8,6,5,5,6,4,8,3,2,7,1,0,7,8,1,6,0,5,3,2,4]}
+PUZZLE:
+_ 4 1  _ _ 8  _ 9 3
+_ 2 _  1 _ _  _ _ 8
+7 _ _  _ _ _  2 _ _
+
+_ _ _  _ 9 7  5 6 _
+_ _ _  _ _ _  _ _ _
+_ 8 _  2 _ 5  _ _ 7
+
+4 _ _  _ _ _  _ _ 6
+_ _ 5  9 _ _  _ _ _
+_ _ 2  _ 1 _  4 3 _
+
+SOLUTION:
+5 4 1  6 2 8  7 9 3
+3 2 9  1 7 4  6 5 8
+7 6 8  3 5 9  2 1 4
+
+1 3 4  8 9 7  5 6 2
+2 5 7  4 6 1  3 8 9
+9 8 6  2 3 5  1 4 7
+
+4 1 3  5 8 2  9 7 6
+6 7 5  9 4 3  8 2 1
+8 9 2  7 1 6  4 3 5
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,3,null,null,null,1,4,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,6,null,8,null,null,2,null,6,null,null,7,null,6,null,null,3,null,null,null,null,null,null,5,null,4,null,null,null,null,6,null,2,null,1,null,4,null,null,null,0,null,5,null,null,null,null,null,null,null,7,4,null,null,null,2,0,null],"solution":[7,3,0,6,8,1,4,2,5,2,6,8,5,4,3,7,1,0,5,4,1,7,2,0,6,3,8,4,8,2,0,6,5,1,7,3,6,0,7,3,1,8,5,4,2,1,5,3,4,7,2,0,8,6,8,2,6,1,0,4,3,5,7,0,1,5,2,3,7,8,6,4,3,7,4,8,5,6,2,0,1]}
+PUZZLE:
+_ 4 _  _ _ 2  5 _ 6
+_ _ _  _ _ _  _ _ _
+_ _ _  _ 3 _  7 _ 9
+
+_ _ 3  _ 7 _  _ 8 _
+7 _ _  4 _ _  _ _ _
+_ 6 _  5 _ _  _ _ 7
+
+_ 3 _  2 _ 5  _ _ _
+1 _ 6  _ _ _  _ _ _
+_ 8 5  _ _ _  3 1 _
+
+SOLUTION:
+8 4 1  7 9 2  5 3 6
+3 7 9  6 5 4  8 2 1
+6 5 2  8 3 1  7 4 9
+
+5 9 3  1 7 6  2 8 4
+7 1 8  4 2 9  6 5 3
+2 6 4  5 8 3  1 9 7
+
+9 3 7  2 1 5  4 6 8
+1 2 6  3 4 8  9 7 5
+4 8 5  9 6 7  3 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,7,8,null,null,null,0,null,null,null,null,null,null,null,2,null,null,3,6,null,null,4,5,null,null,2,null,null,null,null,0,null,7,null,null,7,null,null,null,null,null,6,1,null,null,4,3,7,null,2,null,null,null,5,2,null,null,null,null,null,null,null,null,8,null,null,null,null,0,null,3,4,null,1,null,null,null,null,null],"solution":[5,2,1,7,8,3,6,4,0,4,8,0,6,5,1,7,2,3,7,3,6,0,2,4,5,1,8,2,6,5,8,1,0,3,7,4,8,7,3,2,4,5,0,6,1,1,0,4,3,7,6,2,8,5,0,5,2,4,6,8,1,3,7,6,1,8,5,3,7,4,0,2,3,4,7,1,0,2,8,5,6]}
+PUZZLE:
+_ _ 2  8 9 _  _ _ 1
+_ _ _  _ _ _  _ 3 _
+_ 4 7  _ _ 5  6 _ _
+
+3 _ _  _ _ 1  _ 8 _
+_ 8 _  _ _ _  _ 7 2
+_ _ 5  4 8 _  3 _ _
+
+_ 6 3  _ _ _  _ _ _
+_ _ 9  _ _ _  _ 1 _
+4 5 _  2 _ _  _ _ _
+
+SOLUTION:
+6 3 2  8 9 4  7 5 1
+5 9 1  7 6 2  8 3 4
+8 4 7  1 3 5  6 2 9
+
+3 7 6  9 2 1  4 8 5
+9 8 4  3 5 6  1 7 2
+2 1 5  4 8 7  3 9 6
+
+1 6 3  5 7 9  2 4 8
+7 2 9  6 4 8  5 1 3
+4 5 8  2 1 3  9 6 7
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,1,null,null,null,2,null,null,5,4,null,6,null,null,null,null,8,null,null,null,5,null,null,0,null,6,null,null,null,null,null,null,null,null,3,null,null,null,null,null,5,null,2,null,null,null,2,0,null,4,null,null,null,null,6,null,null,null,null,8,null,null,8,null,5,2,1,3,null,null,4,null,0,null,null,8,null,null,null,1],"solution":[6,3,1,8,0,7,2,4,5,5,4,0,6,3,2,7,1,8,7,2,8,5,4,1,0,3,6,0,5,7,1,2,8,4,6,3,4,8,6,3,7,5,1,2,0,3,1,2,0,6,4,5,8,7,1,6,3,4,5,0,8,7,2,8,7,5,2,1,3,6,0,4,2,0,4,7,8,6,3,5,1]}
+PUZZLE:
+_ _ 2  _ _ _  3 _ _
+6 5 _  7 _ _  _ _ 9
+_ _ _  6 _ _  1 _ 7
+
+_ _ _  _ _ _  _ _ 4
+_ _ _  _ _ 6  _ 3 _
+_ _ 3  1 _ 5  _ _ _
+
+_ 7 _  _ _ _  9 _ _
+9 _ 6  3 2 4  _ _ 5
+_ 1 _  _ 9 _  _ _ 2
+
+SOLUTION:
+7 4 2  9 1 8  3 5 6
+6 5 1  7 4 3  8 2 9
+8 3 9  6 5 2  1 4 7
+
+1 6 8  2 3 9  5 7 4
+5 9 7  4 8 6  2 3 1
+4 2 3  1 7 5  6 9 8
+
+2 7 4  5 6 1  9 8 3
+9 8 6  3 2 4  7 1 5
+3 1 5  8 9 7  4 6 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,1,null,null,null,null,null,null,5,7,null,null,null,null,null,7,null,2,null,4,null,0,null,null,6,null,null,null,null,null,3,null,2,null,null,null,null,null,8,null,0,null,3,null,7,2,null,6,null,null,null,null,5,null,null,null,null,8,null,6,null,3,1,null,null,5,null,null,null,null,null,null,null,null,null,null,4,null],"solution":[0,6,3,8,1,2,4,7,5,1,4,5,7,6,0,2,3,8,7,8,2,5,4,3,0,6,1,6,1,8,4,0,7,3,5,2,5,2,4,1,3,8,6,0,7,3,0,7,2,5,6,1,8,4,2,5,0,3,7,4,8,1,6,4,3,1,6,8,5,7,2,0,8,7,6,0,2,1,5,4,3]}
+PUZZLE:
+_ _ _  _ 2 _  _ _ _
+_ _ 6  8 _ _  _ _ _
+8 _ 3  _ 5 _  1 _ _
+
+7 _ _  _ _ _  4 _ 3
+_ _ _  _ _ 9  _ 1 _
+4 _ 8  3 _ 7  _ _ _
+
+_ 6 _  _ _ _  9 _ 7
+_ 4 2  _ _ 6  _ _ _
+_ _ _  _ _ _  _ 5 _
+
+SOLUTION:
+1 7 4  9 2 3  5 8 6
+2 5 6  8 7 1  3 4 9
+8 9 3  6 5 4  1 7 2
+
+7 2 9  5 1 8  4 6 3
+6 3 5  2 4 9  7 1 8
+4 1 8  3 6 7  2 9 5
+
+3 6 1  4 8 5  9 2 7
+5 4 2  7 9 6  8 3 1
+9 8 7  1 3 2  6 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,6,null,null,null,4,8,7,0,null,null,3,6,8,null,0,null,null,4,null,null,null,5,null,7,null,null,null,0,null,null,null,null,null,5,null,5,4,null,2,null,1,null,null,6,null,null,null,7,6,8,null,null,null,null,null,null,null,null,null,null,2,null],"solution":[1,7,8,0,2,6,5,4,3,0,3,4,8,7,5,2,6,1,2,6,5,3,1,4,8,7,0,7,5,3,6,8,2,0,1,4,4,2,6,1,5,0,7,3,8,8,0,1,4,3,7,6,5,2,5,4,7,2,0,1,3,8,6,3,1,2,7,6,8,4,0,5,6,8,0,5,4,3,1,2,7]}
+PUZZLE:
+2 _ _  _ _ _  _ _ _
+_ _ _  _ _ _  _ 7 _
+_ 7 _  _ _ 5  9 8 1
+
+_ _ 4  7 9 _  1 _ _
+5 _ _  _ 6 _  8 _ _
+_ 1 _  _ _ _  _ 6 _
+
+6 5 _  3 _ 2  _ _ 7
+_ _ _  8 7 9  _ _ _
+_ _ _  _ _ _  _ 3 _
+
+SOLUTION:
+2 8 9  1 3 7  6 5 4
+1 4 5  9 8 6  3 7 2
+3 7 6  4 2 5  9 8 1
+
+8 6 4  7 9 3  1 2 5
+5 3 7  2 6 1  8 4 9
+9 1 2  5 4 8  7 6 3
+
+6 5 8  3 1 2  4 9 7
+4 2 3  8 7 9  5 1 6
+7 9 1  6 5 4  2 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,null,null,null,null,4,1,null,null,null,null,null,0,7,null,null,4,null,null,null,null,1,null,null,2,null,null,1,null,3,null,null,null,null,null,null,8,null,5,2,null,null,0,null,null,null,null,0,null,1,7,null,null,null,3,null,null,null,4,5,null,null,null,2,7,null,null,null,null,3,null,1,null,null,null,null,null,null,null],"solution":[3,2,0,5,7,6,8,4,1,1,8,6,4,2,0,7,3,5,4,5,7,3,8,1,6,0,2,6,0,1,8,3,7,5,2,4,7,4,8,1,5,2,3,6,0,2,3,5,6,0,4,1,7,8,0,7,3,2,1,8,4,5,6,8,6,2,7,4,5,0,1,3,5,1,4,0,6,3,2,8,7]}
+PUZZLE:
+_ 3 _  _ _ _  _ 5 2
+_ _ _  _ _ 1  8 _ _
+5 _ _  _ _ 2  _ _ 3
+
+_ _ 2  _ 4 _  _ _ _
+_ _ 9  _ 6 3  _ _ 1
+_ _ _  _ 1 _  2 8 _
+
+_ _ 4  _ _ _  5 6 _
+_ _ 3  8 _ _  _ _ 4
+_ 2 _  _ _ _  _ _ _
+
+SOLUTION:
+4 3 1  6 8 7  9 5 2
+2 9 7  5 3 1  8 4 6
+5 6 8  4 9 2  7 1 3
+
+7 1 2  9 4 8  6 3 5
+8 5 9  2 6 3  4 7 1
+3 4 6  7 1 5  2 8 9
+
+1 8 4  3 2 9  5 6 7
+9 7 3  8 5 6  1 2 4
+6 2 5  1 7 4  3 9 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,7,null,null,8,null,5,null,null,null,null,null,null,2,null,8,6,null,null,null,null,3,null,null,2,0,null,null,8,null,null,null,null,null,8,null,0,null,null,4,7,7,null,null,5,null,null,null,null,null,null,null,null,null,6,3,2,null,null,null,null,null,7,null,null,null,0,null,null,null,3,null,8,null,null,null,1],"solution":[3,0,2,6,5,7,4,1,8,4,5,7,8,3,1,0,6,2,1,8,6,2,4,0,7,3,5,6,2,0,4,7,8,1,5,3,5,1,8,3,0,2,6,4,7,7,3,4,5,1,6,8,2,0,0,7,5,1,6,3,2,8,4,8,4,1,7,2,5,3,0,6,2,6,3,0,8,4,5,7,1]}
+PUZZLE:
+_ _ _  _ _ 8  _ _ 9
+_ 6 _  _ _ _  _ _ 3
+_ 9 7  _ _ _  _ 4 _
+
+_ 3 1  _ _ 9  _ _ _
+_ _ 9  _ 1 _  _ 5 8
+8 _ _  6 _ _  _ _ _
+
+_ _ _  _ 7 4  3 _ _
+_ _ _  8 _ _  _ 1 _
+_ _ 4  _ 9 _  _ _ 2
+
+SOLUTION:
+4 1 3  7 6 8  5 2 9
+5 6 8  9 4 2  1 7 3
+2 9 7  3 5 1  8 4 6
+
+7 3 1  5 8 9  2 6 4
+6 2 9  4 1 3  7 5 8
+8 4 5  6 2 7  9 3 1
+
+1 8 6  2 7 4  3 9 5
+9 5 2  8 3 6  4 1 7
+3 7 4  1 9 5  6 8 2
+
+RATING: 5
+DATA:
+{"puzzle":[null,null,null,1,7,null,null,null,5,2,null,null,null,null,null,null,8,null,null,0,1,null,null,null,null,null,null,0,null,7,6,null,null,null,1,null,null,4,3,null,null,null,5,null,null,null,null,null,null,null,7,null,null,3,4,null,null,2,0,null,null,null,null,null,1,null,null,null,8,null,null,7,null,null,5,null,null,null,null,null,null],"solution":[6,3,8,1,7,4,0,2,5,2,5,4,3,6,0,7,8,1,7,0,1,8,2,5,6,3,4,0,8,7,6,5,3,4,1,2,1,4,3,0,8,2,5,7,6,5,6,2,4,1,7,8,0,3,4,7,6,2,0,1,3,5,8,3,1,0,5,4,8,2,6,7,8,2,5,7,3,6,1,4,0]}
+PUZZLE:
+_ _ _  2 8 _  _ _ 6
+3 _ _  _ _ _  _ 9 _
+_ 1 2  _ _ _  _ _ _
+
+1 _ 8  7 _ _  _ 2 _
+_ 5 4  _ _ _  6 _ _
+_ _ _  _ _ 8  _ _ 4
+
+5 _ _  3 1 _  _ _ _
+_ 2 _  _ _ 9  _ _ 8
+_ _ 6  _ _ _  _ _ _
+
+SOLUTION:
+7 4 9  2 8 5  1 3 6
+3 6 5  4 7 1  8 9 2
+8 1 2  9 3 6  7 4 5
+
+1 9 8  7 6 4  5 2 3
+2 5 4  1 9 3  6 8 7
+6 7 3  5 2 8  9 1 4
+
+5 8 7  3 1 2  4 6 9
+4 2 1  6 5 9  3 7 8
+9 3 6  8 4 7  2 5 1
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,1,3,null,2,null,null,null,null,4,null,null,null,3,null,null,null,null,null,null,2,6,4,null,null,null,8,null,0,null,null,null,6,3,null,null,null,null,7,null,null,null,null,4,null,null,null,null,null,null,null,null,6,null,3,5,null,2,1,4,null,null,null,2,null,null,null,8,null,null,null,null,null,null,null,null,null,null,0],"solution":[0,7,6,1,3,4,2,5,8,1,2,4,8,0,5,3,7,6,3,5,8,7,2,6,4,0,1,2,8,7,0,4,1,5,6,3,5,6,1,2,7,3,0,8,4,4,3,0,6,5,8,7,1,2,6,0,3,5,8,2,1,4,7,7,1,2,4,6,0,8,3,5,8,4,5,3,1,7,6,2,0]}
+PUZZLE:
+_ _ _  2 4 _  3 _ _
+_ _ 5  _ _ _  4 _ _
+_ _ _  _ 3 7  5 _ _
+
+_ 9 _  1 _ _  _ 7 4
+_ _ _  _ 8 _  _ _ _
+5 _ _  _ _ _  _ _ _
+
+7 _ 4  6 _ 3  2 5 _
+_ _ 3  _ _ _  9 _ _
+_ _ _  _ _ _  _ _ 1
+
+SOLUTION:
+1 8 7  2 4 5  3 6 9
+2 3 5  9 1 6  4 8 7
+4 6 9  8 3 7  5 1 2
+
+3 9 8  1 5 2  6 7 4
+6 7 2  3 8 4  1 9 5
+5 4 1  7 6 9  8 2 3
+
+7 1 4  6 9 3  2 5 8
+8 2 3  5 7 1  9 4 6
+9 5 6  4 2 8  7 3 1
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,0,6,null,4,null,null,null,6,5,null,null,null,null,null,null,null,null,null,null,null,8,null,7,null,null,null,null,4,null,null,null,0,null,null,null,null,null,null,5,null,2,null,7,null,2,1,null,null,0,null,4,null,null,1,3,null,null,null,null,null,null,7,null,null,0,null,null,4,null,6,null,null,null,null,null,null,null,null,null],"solution":[8,3,0,6,7,4,5,1,2,6,5,7,1,0,2,3,8,4,1,4,2,3,8,5,7,6,0,3,7,4,8,2,6,0,5,1,0,6,8,4,5,1,2,3,7,5,2,1,7,3,0,6,4,8,4,1,3,2,6,7,8,0,5,7,8,5,0,1,3,4,2,6,2,0,6,5,4,8,1,7,3]}
+PUZZLE:
+_ _ 1  7 _ 5  _ _ _
+7 6 _  _ _ _  _ _ _
+_ _ _  _ 9 _  8 _ _
+
+_ _ 5  _ _ _  1 _ _
+_ _ _  _ 6 _  3 _ 8
+_ 3 2  _ _ 1  _ 5 _
+
+_ 2 4  _ _ _  _ _ _
+8 _ _  1 _ _  5 _ 7
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+9 4 1  7 8 5  6 2 3
+7 6 8  2 1 3  4 9 5
+2 5 3  4 9 6  8 7 1
+
+4 8 5  9 3 7  1 6 2
+1 7 9  5 6 2  3 4 8
+6 3 2  8 4 1  7 5 9
+
+5 2 4  3 7 8  9 1 6
+8 9 6  1 2 4  5 3 7
+3 1 7  6 5 9  2 8 4
+
+RATING: 0
+DATA:
+{"puzzle":[6,1,null,null,null,null,null,null,null,0,null,null,null,2,null,null,5,null,null,null,null,null,1,8,0,null,null,null,null,null,null,null,null,5,null,1,4,null,null,null,null,3,6,null,null,null,null,null,7,null,null,null,null,0,null,2,null,null,8,6,null,null,null,7,null,3,null,5,null,null,4,null,null,0,null,null,null,null,null,null,null],"solution":[6,1,7,0,3,5,8,2,4,0,4,8,6,2,7,1,5,3,2,3,5,4,1,8,0,6,7,3,6,0,8,4,2,5,7,1,4,7,1,5,0,3,6,8,2,8,5,2,7,6,1,4,3,0,1,2,4,3,8,6,7,0,5,7,8,3,1,5,0,2,4,6,5,0,6,2,7,4,3,1,8]}
+PUZZLE:
+7 2 _  _ _ _  _ _ _
+1 _ _  _ 3 _  _ 6 _
+_ _ _  _ 2 9  1 _ _
+
+_ _ _  _ _ _  6 _ 2
+5 _ _  _ _ 4  7 _ _
+_ _ _  8 _ _  _ _ 1
+
+_ 3 _  _ 9 7  _ _ _
+8 _ 4  _ 6 _  _ 5 _
+_ 1 _  _ _ _  _ _ _
+
+SOLUTION:
+7 2 8  1 4 6  9 3 5
+1 5 9  7 3 8  2 6 4
+3 4 6  5 2 9  1 7 8
+
+4 7 1  9 5 3  6 8 2
+5 8 2  6 1 4  7 9 3
+9 6 3  8 7 2  5 4 1
+
+2 3 5  4 9 7  8 1 6
+8 9 4  2 6 1  3 5 7
+6 1 7  3 8 5  4 2 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,1,null,null,null,null,null,null,8,null,4,null,null,null,1,3,null,null,3,null,5,4,null,null,2,null,null,null,null,4,null,null,null,8,2,null,null,null,null,null,2,6,null,null,1,null,null,null,null,null,null,4,null,null,1,null,null,null,0,null,7,null,null,null,null,null,null,null,3,null,null,2,null,7,8,null,null,null,null,0],"solution":[5,7,1,2,8,3,4,0,6,8,2,4,0,7,6,1,3,5,6,3,0,5,4,1,8,2,7,3,0,6,4,1,5,7,8,2,7,4,8,3,0,2,6,5,1,1,5,2,7,6,8,0,4,3,4,1,3,6,5,0,2,7,8,0,8,5,1,2,7,3,6,4,2,6,7,8,3,4,5,1,0]}
+PUZZLE:
+_ 8 2  _ _ _  _ _ _
+9 _ 5  _ _ _  2 4 _
+_ 4 _  6 5 _  _ 3 _
+
+_ _ _  5 _ _  _ 9 3
+_ _ _  _ _ 3  7 _ _
+2 _ _  _ _ _  _ 5 _
+
+_ 2 _  _ _ 1  _ 8 _
+_ _ _  _ _ _  4 _ _
+3 _ 8  9 _ _  _ _ 1
+
+SOLUTION:
+6 8 2  3 9 4  5 1 7
+9 3 5  1 8 7  2 4 6
+7 4 1  6 5 2  9 3 8
+
+4 1 7  5 2 6  8 9 3
+8 5 9  4 1 3  7 6 2
+2 6 3  8 7 9  1 5 4
+
+5 2 4  7 6 1  3 8 9
+1 9 6  2 3 8  4 7 5
+3 7 8  9 4 5  6 2 1
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,null,null,1,null,null,8,null,5,null,null,null,null,null,null,0,null,7,8,null,null,null,3,null,null,null,null,null,null,null,null,0,3,null,null,null,5,null,4,null,7,null,null,0,null,7,2,null,null,null,4,null,8,null,null,null,null,8,null,null,6,null,null,4,null,2,null,null,null,null,null,1,null,null,null,null,5,null,null,null],"solution":[3,6,0,5,1,2,7,8,4,5,2,4,6,7,8,1,0,3,7,8,1,0,4,3,5,2,6,4,1,6,8,5,0,3,7,2,8,5,3,4,2,7,6,1,0,0,7,2,1,3,6,4,5,8,2,3,5,7,8,4,0,6,1,6,4,7,2,0,1,8,3,5,1,0,8,3,6,5,2,4,7]}
+PUZZLE:
+4 _ _  _ 2 _  _ 9 _
+6 _ _  _ _ _  _ 1 _
+8 9 _  _ _ 4  _ _ _
+
+_ _ _  _ _ 1  4 _ _
+_ 6 _  5 _ 8  _ _ 1
+_ 8 3  _ _ _  5 _ 9
+
+_ _ _  _ 9 _  _ 7 _
+_ 5 _  3 _ _  _ _ _
+2 _ _  _ _ 6  _ _ _
+
+SOLUTION:
+4 7 1  6 2 3  8 9 5
+6 3 5  7 8 9  2 1 4
+8 9 2  1 5 4  6 3 7
+
+5 2 7  9 6 1  4 8 3
+9 6 4  5 3 8  7 2 1
+1 8 3  2 4 7  5 6 9
+
+3 4 6  8 9 5  1 7 2
+7 5 8  3 1 2  9 4 6
+2 1 9  4 7 6  3 5 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,0,null,null,null,null,null,null,6,4,null,null,null,2,null,0,null,null,null,null,null,1,null,3,null,null,null,null,null,7,null,null,null,2,null,null,null,4,null,0,null,8,null,null,null,null,null,null,null,null,null,1,3,null,null,3,null,null,8,null,7,4,null,1,null,null,null,null,null,null,null,null,null,null,2,3,null,null,null,null,5],"solution":[3,0,1,8,7,4,5,2,6,4,7,8,5,2,6,0,1,3,5,2,6,1,0,3,4,7,8,6,1,7,4,3,5,2,8,0,2,4,3,0,1,8,6,5,7,8,5,0,2,6,7,1,3,4,0,3,5,6,8,2,7,4,1,1,8,4,7,5,0,3,6,2,7,6,2,3,4,1,8,0,5]}
+PUZZLE:
+_ 1 _  _ _ _  _ _ 7
+5 _ _  _ 3 _  1 _ _
+_ _ _  2 _ 4  _ _ _
+
+_ _ 8  _ _ _  3 _ _
+_ 5 _  1 _ 9  _ _ _
+_ _ _  _ _ _  2 4 _
+
+_ 4 _  _ 9 _  8 5 _
+2 _ _  _ _ _  _ _ _
+_ _ 3  4 _ _  _ _ 6
+
+SOLUTION:
+4 1 2  9 8 5  6 3 7
+5 8 9  6 3 7  1 2 4
+6 3 7  2 1 4  5 8 9
+
+7 2 8  5 4 6  3 9 1
+3 5 4  1 2 9  7 6 8
+9 6 1  3 7 8  2 4 5
+
+1 4 6  7 9 3  8 5 2
+2 9 5  8 6 1  4 7 3
+8 7 3  4 5 2  9 1 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[5,8,null,null,null,null,7,null,2,null,null,null,null,6,null,null,0,8,null,null,null,null,null,3,null,4,null,null,4,null,3,null,null,null,null,7,1,null,null,null,null,null,null,null,null,null,7,null,1,null,2,null,5,null,0,null,null,null,null,null,null,2,null,null,null,1,null,0,null,3,null,null,3,null,null,8,null,1,null,7,null],"solution":[5,8,6,4,1,0,7,3,2,4,1,3,2,6,7,5,0,8,2,0,7,5,8,3,1,4,6,8,4,2,3,5,6,0,1,7,1,3,5,0,7,8,2,6,4,6,7,0,1,4,2,8,5,3,0,6,8,7,3,5,4,2,1,7,2,1,6,0,4,3,8,5,3,5,4,8,2,1,6,7,0]}
+PUZZLE:
+6 9 _  _ _ _  8 _ 3
+_ _ _  _ 7 _  _ 1 9
+_ _ _  _ _ 4  _ 5 _
+
+_ 5 _  4 _ _  _ _ 8
+2 _ _  _ _ _  _ _ _
+_ 8 _  2 _ 3  _ 6 _
+
+1 _ _  _ _ _  _ 3 _
+_ _ 2  _ 1 _  4 _ _
+4 _ _  9 _ 2  _ 8 _
+
+SOLUTION:
+6 9 7  5 2 1  8 4 3
+5 2 4  3 7 8  6 1 9
+3 1 8  6 9 4  2 5 7
+
+9 5 3  4 6 7  1 2 8
+2 4 6  1 8 9  3 7 5
+7 8 1  2 5 3  9 6 4
+
+1 7 9  8 4 6  5 3 2
+8 3 2  7 1 5  4 9 6
+4 6 5  9 3 2  7 8 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,5,null,0,null,null,null,3,null,2,null,null,null,null,null,8,null,null,null,null,8,7,null,null,null,5,null,null,null,5,null,7,null,null,null,1,null,null,null,null,6,0,null,null,null,7,null,3,null,null,null,null,0,null,null,8,null,null,0,null,null,6,null,null,1,null,null,null,4,null,null,null,0,3,null,null,null,8,4,7,null],"solution":[1,5,4,0,8,6,7,3,2,2,7,0,4,5,3,8,1,6,3,6,8,7,2,1,0,5,4,6,0,5,8,7,2,3,4,1,8,4,1,3,6,0,5,2,7,7,2,3,1,4,5,6,0,8,4,8,2,5,0,7,1,6,3,5,1,7,6,3,4,2,8,0,0,3,6,2,1,8,4,7,5]}
+PUZZLE:
+_ 6 _  1 _ _  _ 4 _
+3 _ _  _ _ _  9 _ _
+_ _ 9  8 _ _  _ 6 _
+
+_ _ 6  _ 8 _  _ _ 2
+_ _ _  _ 7 1  _ _ _
+8 _ 4  _ _ _  _ 1 _
+
+_ 9 _  _ 1 _  _ 7 _
+_ 2 _  _ _ 5  _ _ _
+1 4 _  _ _ 9  5 8 _
+
+SOLUTION:
+2 6 5  1 9 7  8 4 3
+3 8 1  5 6 4  9 2 7
+4 7 9  8 3 2  1 6 5
+
+7 1 6  9 8 3  4 5 2
+9 5 2  4 7 1  6 3 8
+8 3 4  2 5 6  7 1 9
+
+5 9 3  6 1 8  2 7 4
+6 2 8  7 4 5  3 9 1
+1 4 7  3 2 9  5 8 6
+
+RATING: 3
+DATA:
+{"puzzle":[null,5,null,null,4,null,null,null,3,null,null,null,null,5,null,null,2,null,6,null,null,null,null,1,null,7,null,null,null,null,null,2,null,null,null,null,null,8,1,null,null,null,null,3,null,null,null,null,8,null,null,4,1,null,null,null,6,5,null,null,null,null,null,null,null,null,null,6,2,1,null,null,null,3,null,null,null,null,0,8,null],"solution":[1,5,8,2,4,7,6,0,3,4,7,0,6,5,3,8,2,1,6,2,3,0,8,1,5,7,4,3,4,5,1,2,0,7,6,8,0,8,1,4,7,6,2,3,5,2,6,7,8,3,5,4,1,0,7,1,6,5,0,8,3,4,2,8,0,4,3,6,2,1,5,7,5,3,2,7,1,4,0,8,6]}
+PUZZLE:
+_ 6 _  _ 5 _  _ _ 4
+_ _ _  _ 6 _  _ 3 _
+7 _ _  _ _ 2  _ 8 _
+
+_ _ _  _ 3 _  _ _ _
+_ 9 2  _ _ _  _ 4 _
+_ _ _  9 _ _  5 2 _
+
+_ _ 7  6 _ _  _ _ _
+_ _ _  _ 7 3  2 _ _
+_ 4 _  _ _ _  1 9 _
+
+SOLUTION:
+2 6 9  3 5 8  7 1 4
+5 8 1  7 6 4  9 3 2
+7 3 4  1 9 2  6 8 5
+
+4 5 6  2 3 1  8 7 9
+1 9 2  5 8 7  3 4 6
+3 7 8  9 4 6  5 2 1
+
+8 2 7  6 1 9  4 5 3
+9 1 5  4 7 3  2 6 8
+6 4 3  8 2 5  1 9 7
+
+RATING: 0
+DATA:
+{"puzzle":[6,null,null,1,null,null,4,null,0,null,null,2,7,null,null,null,null,null,4,7,null,null,null,null,3,5,null,null,null,null,null,null,6,2,null,8,8,null,null,null,3,4,5,null,null,null,null,null,0,null,null,null,6,null,0,null,null,null,null,1,8,null,null,null,null,null,null,null,null,null,null,4,null,null,4,null,2,null,0,null,null],"solution":[6,8,3,1,5,2,4,7,0,5,0,2,7,4,3,6,8,1,4,7,1,6,8,0,3,5,2,7,3,0,5,1,6,2,4,8,8,1,6,2,3,4,5,0,7,2,4,5,0,7,8,1,6,3,0,2,7,4,6,1,8,3,5,1,6,8,3,0,5,7,2,4,3,5,4,8,2,7,0,1,6]}
+PUZZLE:
+7 _ _  2 _ _  5 _ 1
+_ _ 3  8 _ _  _ _ _
+5 8 _  _ _ _  4 6 _
+
+_ _ _  _ _ 7  3 _ 9
+9 _ _  _ 4 5  6 _ _
+_ _ _  1 _ _  _ 7 _
+
+1 _ _  _ _ 2  9 _ _
+_ _ _  _ _ _  _ _ 5
+_ _ 5  _ 3 _  1 _ _
+
+SOLUTION:
+7 9 4  2 6 3  5 8 1
+6 1 3  8 5 4  7 9 2
+5 8 2  7 9 1  4 6 3
+
+8 4 1  6 2 7  3 5 9
+9 2 7  3 4 5  6 1 8
+3 5 6  1 8 9  2 7 4
+
+1 3 8  5 7 2  9 4 6
+2 7 9  4 1 6  8 3 5
+4 6 5  9 3 8  1 2 7
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,7,6,null,3,null,null,null,null,5,null,null,null,0,2,null,null,6,null,null,null,null,null,1,null,null,8,null,null,3,null,5,null,null,null,null,null,null,null,null,2,3,null,8,null,null,4,null,null,null,null,7,null,null,0,null,null,3,7,5,6,null,null,4,2,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[2,8,7,6,1,3,4,5,0,4,5,1,8,7,0,2,3,6,6,3,0,2,5,4,1,8,7,8,7,6,3,4,5,0,2,1,0,1,5,7,6,2,3,4,8,3,2,4,0,8,1,6,7,5,1,0,8,4,3,7,5,6,2,7,4,2,5,0,6,8,1,3,5,6,3,1,2,8,7,0,4]}
+PUZZLE:
+_ _ 8  7 _ 4  _ _ _
+_ 6 _  _ _ 1  3 _ _
+7 _ _  _ _ _  2 _ _
+
+9 _ _  4 _ 6  _ _ _
+_ _ _  _ _ 3  4 _ 9
+_ _ 5  _ _ _  _ 8 _
+
+_ 1 _  _ 4 8  6 7 _
+_ 5 3  _ 1 _  _ _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 9 8  7 2 4  5 6 1
+5 6 2  9 8 1  3 4 7
+7 4 1  3 6 5  2 9 8
+
+9 8 7  4 5 6  1 3 2
+1 2 6  8 7 3  4 5 9
+4 3 5  1 9 2  7 8 6
+
+2 1 9  5 4 8  6 7 3
+8 5 3  6 1 7  9 2 4
+6 7 4  2 3 9  8 1 5
+
+RATING: 4.25
+DATA:
+{"puzzle":[null,5,0,null,null,null,3,null,null,null,null,null,null,null,4,null,null,null,null,8,null,null,null,1,7,null,null,2,1,null,null,7,null,null,null,null,null,null,3,6,null,null,1,null,2,6,null,null,3,null,null,null,null,null,1,null,null,null,6,null,8,0,null,null,null,null,null,0,null,null,null,3,8,null,6,null,null,null,null,null,null],"solution":[4,5,0,7,2,6,3,8,1,7,6,1,8,3,4,5,2,0,3,8,2,0,5,1,7,4,6,2,1,5,4,7,0,6,3,8,0,4,3,6,8,5,1,7,2,6,7,8,3,1,2,0,5,4,1,3,4,2,6,7,8,0,5,5,2,7,1,0,8,4,6,3,8,0,6,5,4,3,2,1,7]}
+PUZZLE:
+_ 6 1  _ _ _  4 _ _
+_ _ _  _ _ 5  _ _ _
+_ 9 _  _ _ 2  8 _ _
+
+3 2 _  _ 8 _  _ _ _
+_ _ 4  7 _ _  2 _ 3
+7 _ _  4 _ _  _ _ _
+
+2 _ _  _ 7 _  9 1 _
+_ _ _  _ 1 _  _ _ 4
+9 _ 7  _ _ _  _ _ _
+
+SOLUTION:
+5 6 1  8 3 7  4 9 2
+8 7 2  9 4 5  6 3 1
+4 9 3  1 6 2  8 5 7
+
+3 2 6  5 8 1  7 4 9
+1 5 4  7 9 6  2 8 3
+7 8 9  4 2 3  1 6 5
+
+2 4 5  3 7 8  9 1 6
+6 3 8  2 1 9  5 7 4
+9 1 7  6 5 4  3 2 8
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,5,null,7,null,3,null,null,8,null,null,null,null,6,null,4,null,null,0,null,1,5,null,null,null,null,7,1,null,null,null,null,0,null,4,null,5,null,null,null,null,null,8,0,null,null,2,null,null,2,null,null,3,null,null,null,null,0,null,null,null,null,null,4,6,5,null,4,7,null,null,null,2,null,null],"solution":[4,0,1,7,2,6,3,5,8,7,5,3,0,1,8,6,4,2,8,6,2,4,5,3,0,7,1,5,8,4,2,6,7,1,3,0,2,7,0,3,4,1,5,8,6,3,1,6,8,0,5,7,2,4,1,2,5,6,3,4,8,0,7,0,3,8,1,7,2,4,6,5,6,4,7,5,8,0,2,1,3]}
+PUZZLE:
+_ _ _  _ _ _  _ 6 _
+8 _ 4  _ _ 9  _ _ _
+_ 7 _  5 _ _  1 _ 2
+
+6 _ _  _ _ 8  2 _ _
+_ _ 1  _ 5 _  6 _ _
+_ _ _  9 1 _  _ 3 _
+
+_ 3 _  _ 4 _  _ _ _
+1 _ _  _ _ _  5 7 6
+_ 5 8  _ _ _  3 _ _
+
+SOLUTION:
+5 1 2  8 3 7  4 6 9
+8 6 4  1 2 9  7 5 3
+9 7 3  5 6 4  1 8 2
+
+6 9 5  3 7 8  2 4 1
+3 8 1  4 5 2  6 9 7
+4 2 7  9 1 6  8 3 5
+
+2 3 6  7 4 5  9 1 8
+1 4 9  2 8 3  5 7 6
+7 5 8  6 9 1  3 2 4
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,6,null,null,null,null,null,0,null,null,5,null,null,7,2,1,null,null,null,null,2,null,null,0,null,null,null,1,4,null,null,5,null,null,6,null,null,null,null,null,null,null,null,5,8,null,null,null,8,3,null,null,null,null,null,1,null,null,8,null,null,null,7,null,8,null,null,6,null,null,null,3,7,null,null,null,null,5,null,null,null],"solution":[3,6,1,5,4,8,7,0,2,8,5,0,6,7,2,1,3,4,4,7,2,3,1,0,6,8,5,1,4,8,2,5,7,3,6,0,6,3,7,1,0,4,2,5,8,0,2,5,8,3,6,4,7,1,2,1,6,0,8,3,5,4,7,5,8,4,7,6,1,0,2,3,7,0,3,4,2,5,8,1,6]}
+PUZZLE:
+_ 7 _  _ _ _  _ 1 _
+_ 6 _  _ 8 3  2 _ _
+_ _ 3  _ _ 1  _ _ _
+
+2 5 _  _ 6 _  _ 7 _
+_ _ _  _ _ _  _ 6 9
+_ _ _  9 4 _  _ _ _
+
+_ 2 _  _ 9 _  _ _ 8
+_ 9 _  _ 7 _  _ _ 4
+8 _ _  _ _ 6  _ _ _
+
+SOLUTION:
+4 7 2  6 5 9  8 1 3
+9 6 1  7 8 3  2 4 5
+5 8 3  4 2 1  7 9 6
+
+2 5 9  3 6 8  4 7 1
+7 4 8  2 1 5  3 6 9
+1 3 6  9 4 7  5 8 2
+
+3 2 7  1 9 4  6 5 8
+6 9 5  8 7 2  1 3 4
+8 1 4  5 3 6  9 2 7
+
+RATING: 1
+DATA:
+{"puzzle":[8,null,null,null,0,null,null,null,null,null,null,null,7,null,3,null,4,null,7,null,null,1,null,null,3,6,null,null,null,7,null,null,null,null,null,5,2,5,null,null,null,null,null,8,null,null,null,null,null,3,null,null,null,null,null,null,5,null,null,null,null,7,2,null,6,null,null,null,null,0,5,null,null,null,2,null,4,null,null,null,3],"solution":[8,3,1,4,0,6,5,2,7,5,2,6,7,8,3,1,4,0,7,4,0,1,5,2,3,6,8,1,0,7,6,2,8,4,3,5,2,5,3,0,1,4,7,8,6,6,8,4,5,3,7,2,0,1,4,1,5,3,6,0,8,7,2,3,6,8,2,7,1,0,5,4,0,7,2,8,4,5,6,1,3]}
+PUZZLE:
+9 _ _  _ 1 _  _ _ _
+_ _ _  8 _ 4  _ 5 _
+8 _ _  2 _ _  4 7 _
+
+_ _ 8  _ _ _  _ _ 6
+3 6 _  _ _ _  _ 9 _
+_ _ _  _ 4 _  _ _ _
+
+_ _ 6  _ _ _  _ 8 3
+_ 7 _  _ _ _  1 6 _
+_ _ 3  _ 5 _  _ _ 4
+
+SOLUTION:
+9 4 2  5 1 7  6 3 8
+6 3 7  8 9 4  2 5 1
+8 5 1  2 6 3  4 7 9
+
+2 1 8  7 3 9  5 4 6
+3 6 4  1 2 5  8 9 7
+7 9 5  6 4 8  3 1 2
+
+5 2 6  4 7 1  9 8 3
+4 7 9  3 8 2  1 6 5
+1 8 3  9 5 6  7 2 4
+
+RATING: 0
+DATA:
+{"puzzle":[2,6,7,null,8,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,4,null,5,null,null,null,null,0,8,6,null,null,7,5,null,null,5,null,null,null,null,null,null,0,null,null,null,3,null,null,4,8,null,null,4,null,7,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,5,1,null,null,3,6],"solution":[2,6,7,1,8,3,0,4,5,5,8,4,2,0,7,6,1,3,0,3,1,4,6,5,8,2,7,3,0,8,6,4,2,7,5,1,4,5,2,8,7,1,3,6,0,7,1,6,3,5,0,4,8,2,1,4,3,7,2,6,5,0,8,6,2,5,0,3,8,1,7,4,8,7,0,5,1,4,2,3,6]}
+PUZZLE:
+3 7 8  _ 9 _  _ _ _
+_ _ _  _ _ _  7 _ _
+_ _ _  5 _ 6  _ _ _
+
+_ 1 9  7 _ _  8 6 _
+_ 6 _  _ _ _  _ _ 1
+_ _ _  4 _ _  5 9 _
+
+_ 5 _  8 _ _  _ _ _
+_ 3 _  _ _ _  _ _ _
+_ _ _  6 2 _  _ 4 7
+
+SOLUTION:
+3 7 8  2 9 4  1 5 6
+6 9 5  3 1 8  7 2 4
+1 4 2  5 7 6  9 3 8
+
+4 1 9  7 5 3  8 6 2
+5 6 3  9 8 2  4 7 1
+8 2 7  4 6 1  5 9 3
+
+2 5 4  8 3 7  6 1 9
+7 3 6  1 4 9  2 8 5
+9 8 1  6 2 5  3 4 7
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,6,null,null,null,7,null,1,null,null,null,null,null,4,null,null,null,null,null,2,5,0,6,null,1,8,null,5,null,null,null,null,null,7,null,null,null,null,null,null,null,3,6,null,null,7,0,1,null,null,4,null,null,7,null,5,null,8,0,null,null,null,null,null,null,null,null,3,null,2,null,null,6,null,null,null,null,null],"solution":[0,2,8,3,6,4,1,5,7,5,1,6,8,7,0,3,4,2,4,7,3,1,2,5,0,6,8,1,8,4,5,3,6,7,2,0,7,5,0,2,4,8,6,1,3,6,3,2,7,0,1,5,8,4,3,6,7,4,5,2,8,0,1,8,4,5,0,1,7,2,3,6,2,0,1,6,8,3,4,7,5]}
+PUZZLE:
+_ _ _  _ 7 _  _ _ 8
+_ 2 _  _ _ _  _ 5 _
+_ _ _  _ 3 6  1 7 _
+
+2 9 _  6 _ _  _ _ _
+8 _ _  _ _ _  _ _ 4
+7 _ _  8 1 2  _ _ 5
+
+_ _ 8  _ 6 _  9 1 _
+_ _ _  _ _ _  _ 4 _
+3 _ _  7 _ _  _ _ _
+
+SOLUTION:
+1 3 9  4 7 5  2 6 8
+6 2 7  9 8 1  4 5 3
+5 8 4  2 3 6  1 7 9
+
+2 9 5  6 4 7  8 3 1
+8 6 1  3 5 9  7 2 4
+7 4 3  8 1 2  6 9 5
+
+4 7 8  5 6 3  9 1 2
+9 5 6  1 2 8  3 4 7
+3 1 2  7 9 4  5 8 6
+
+RATING: 3
+DATA:
+{"puzzle":[0,null,null,null,1,7,5,null,6,null,5,null,null,6,null,null,4,null,8,null,null,null,null,null,null,null,2,null,4,5,null,null,null,null,null,null,null,null,1,null,0,2,null,null,null,null,null,null,null,null,6,8,null,null,null,null,2,6,null,null,null,null,null,null,null,null,null,null,null,2,3,null,null,null,7,null,null,0,null,null,null],"solution":[0,2,4,3,1,7,5,8,6,1,5,3,2,6,8,0,4,7,8,7,6,0,4,5,3,1,2,2,4,5,7,8,3,6,0,1,6,8,1,4,0,2,7,5,3,7,3,0,1,5,6,8,2,4,5,0,2,6,3,4,1,7,8,4,6,8,5,7,1,2,3,0,3,1,7,8,2,0,4,6,5]}
+PUZZLE:
+1 _ _  _ 2 8  6 _ 7
+_ 6 _  _ 7 _  _ 5 _
+9 _ _  _ _ _  _ _ 3
+
+_ 5 6  _ _ _  _ _ _
+_ _ 2  _ 1 3  _ _ _
+_ _ _  _ _ 7  9 _ _
+
+_ _ 3  7 _ _  _ _ _
+_ _ _  _ _ _  3 4 _
+_ _ 8  _ _ 1  _ _ _
+
+SOLUTION:
+1 3 5  4 2 8  6 9 7
+2 6 4  3 7 9  1 5 8
+9 8 7  1 5 6  4 2 3
+
+3 5 6  8 9 4  7 1 2
+7 9 2  5 1 3  8 6 4
+8 4 1  2 6 7  9 3 5
+
+6 1 3  7 4 5  2 8 9
+5 7 9  6 8 2  3 4 1
+4 2 8  9 3 1  5 7 6
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,6,null,null,1,2,null,8,null,7,null,null,null,5,null,4,null,null,null,5,null,null,null,null,null,null,3,null,null,3,null,null,null,null,null,null,6,2,null,null,null,null,null,1,null,null,null,1,2,null,8,null,null,null,null,null,null,null,null,null,0,3,5,null,null,null,6,3,null,null,null,1,null,null,8,null,null,null,null,null,null],"solution":[3,6,4,7,1,2,5,8,0,7,1,0,8,5,3,4,6,2,8,5,2,4,0,6,1,7,3,4,8,3,5,7,1,2,0,6,6,2,5,3,4,0,7,1,8,0,7,1,2,6,8,3,5,4,2,4,6,1,8,7,0,3,5,5,0,7,6,3,4,8,2,1,1,3,8,0,2,5,6,4,7]}
+PUZZLE:
+_ 7 _  _ 2 3  _ 9 _
+8 _ _  _ 6 _  5 _ _
+_ 6 _  _ _ _  _ _ 4
+
+_ _ 4  _ _ _  _ _ _
+7 3 _  _ _ _  _ 2 _
+_ _ 2  3 _ 9  _ _ _
+
+_ _ _  _ _ _  1 4 6
+_ _ _  7 4 _  _ _ 2
+_ _ 9  _ _ _  _ _ _
+
+SOLUTION:
+4 7 5  8 2 3  6 9 1
+8 2 1  9 6 4  5 7 3
+9 6 3  5 1 7  2 8 4
+
+5 9 4  6 8 2  3 1 7
+7 3 6  4 5 1  8 2 9
+1 8 2  3 7 9  4 6 5
+
+3 5 7  2 9 8  1 4 6
+6 1 8  7 4 5  9 3 2
+2 4 9  1 3 6  7 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,null,null,null,null,7,7,null,null,3,1,null,6,null,null,null,6,null,null,4,null,null,0,null,null,1,null,null,null,5,null,4,null,null,2,null,null,null,1,null,3,null,null,null,null,null,null,null,7,null,null,null,4,null,null,3,null,null,null,null,6,null,5,null,7,null,null,null,null,null,null,null,0,2,null,null,null,4],"solution":[2,8,3,6,5,0,4,1,7,7,0,4,3,1,2,6,8,5,5,6,1,8,4,7,2,0,3,3,1,6,7,0,5,8,4,2,8,2,7,4,6,1,5,3,0,4,5,0,2,8,3,7,6,1,0,4,2,5,3,8,1,7,6,6,3,5,1,7,4,0,2,8,1,7,8,0,2,6,3,5,4]}
+PUZZLE:
+_ _ 4  _ _ _  _ _ 8
+8 _ _  4 2 _  7 _ _
+_ 7 _  _ 5 _  _ 1 _
+
+_ 2 _  _ _ 6  _ 5 _
+_ 3 _  _ _ 2  _ 4 _
+_ _ _  _ _ _  8 _ _
+
+_ 5 _  _ 4 _  _ _ _
+7 _ 6  _ 8 _  _ _ _
+_ _ _  1 3 _  _ _ 5
+
+SOLUTION:
+3 9 4  7 6 1  5 2 8
+8 1 5  4 2 3  7 9 6
+6 7 2  9 5 8  3 1 4
+
+4 2 7  8 1 6  9 5 3
+9 3 8  5 7 2  6 4 1
+5 6 1  3 9 4  8 7 2
+
+1 5 3  6 4 9  2 8 7
+7 4 6  2 8 5  1 3 9
+2 8 9  1 3 7  4 6 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,3,4,null,6,2,null,7,null,null,null,8,null,null,null,null,null,4,0,null,null,null,null,4,null,null,1,null,null,null,null,0,null,null,null,null,null,null,6,2,5,7,null,null,null,null,8,5,4,null,1,null,null,null,null,null,7,null,null,null,2,null,null,3,null,null,1,null,null,null,null,null,5],"solution":[1,2,5,7,0,4,8,3,6,3,4,0,6,2,8,7,5,1,6,8,7,1,3,5,2,4,0,5,0,8,2,4,3,6,1,7,7,1,3,0,8,6,5,2,4,4,6,2,5,7,1,3,0,8,8,5,4,3,1,7,0,6,2,0,7,6,4,5,2,1,8,3,2,3,1,8,6,0,4,7,5]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+4 5 _  7 3 _  8 _ _
+_ 9 _  _ _ _  _ 5 1
+
+_ _ _  _ 5 _  _ 2 _
+_ _ _  1 _ _  _ _ _
+_ 7 3  6 8 _  _ _ _
+
+9 6 5  _ 2 _  _ _ _
+_ 8 _  _ _ 3  _ _ 4
+_ _ 2  _ _ _  _ _ 6
+
+SOLUTION:
+2 3 6  8 1 5  9 4 7
+4 5 1  7 3 9  8 6 2
+7 9 8  2 4 6  3 5 1
+
+6 1 9  3 5 4  7 2 8
+8 2 4  1 9 7  6 3 5
+5 7 3  6 8 2  4 1 9
+
+9 6 5  4 2 8  1 7 3
+1 8 7  5 6 3  2 9 4
+3 4 2  9 7 1  5 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,8,null,4,null,null,null,7,null,null,null,0,null,null,null,null,1,null,null,null,null,null,6,1,null,3,4,null,null,null,null,4,null,null,null,null,3,null,null,3,null,null,5,null,2,null,6,null,null,2,null,7,null,null,null,null,5,null,7,null,null,null,8,null,null,null,null,null,null,null,null,null,null,3,2],"solution":[7,3,6,2,5,0,4,8,1,4,1,2,8,7,3,6,5,0,0,5,8,4,1,6,2,7,3,8,6,1,0,3,4,5,2,7,2,4,5,1,6,7,3,0,8,3,0,7,5,8,2,1,6,4,6,2,3,7,0,1,8,4,5,5,7,4,3,2,8,0,1,6,1,8,0,6,4,5,7,3,2]}
+PUZZLE:
+_ _ _  _ _ _  5 9 _
+5 _ _  _ 8 _  _ _ 1
+_ _ _  _ 2 _  _ _ _
+
+_ 7 2  _ 4 5  _ _ _
+_ 5 _  _ _ _  4 _ _
+4 _ _  6 _ 3  _ 7 _
+
+_ 3 _  8 _ _  _ _ 6
+_ 8 _  _ _ 9  _ _ _
+_ _ _  _ _ _  _ 4 3
+
+SOLUTION:
+8 4 7  3 6 1  5 9 2
+5 2 3  9 8 4  7 6 1
+1 6 9  5 2 7  3 8 4
+
+9 7 2  1 4 5  6 3 8
+3 5 6  2 7 8  4 1 9
+4 1 8  6 9 3  2 7 5
+
+7 3 4  8 1 2  9 5 6
+6 8 5  4 3 9  1 2 7
+2 9 1  7 5 6  8 4 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[4,3,null,null,null,2,8,null,null,null,5,0,null,null,8,null,null,2,null,null,6,null,null,null,null,null,null,null,null,null,4,2,1,null,null,null,null,null,null,null,5,null,null,6,null,null,null,2,3,7,null,null,8,null,2,null,null,null,null,null,null,null,3,null,7,null,null,null,null,null,null,4,6,null,null,7,null,null,1,null,null],"solution":[4,3,7,5,1,2,8,0,6,1,5,0,6,3,8,7,4,2,8,2,6,0,4,7,3,1,5,7,6,8,4,2,1,5,3,0,3,1,4,8,5,0,2,6,7,5,0,2,3,7,6,4,8,1,2,8,5,1,6,4,0,7,3,0,7,1,2,8,3,6,5,4,6,4,3,7,0,5,1,2,8]}
+PUZZLE:
+5 4 _  _ _ 3  9 _ _
+_ 6 1  _ _ 9  _ _ 3
+_ _ 7  _ _ _  _ _ _
+
+_ _ _  5 3 2  _ _ _
+_ _ _  _ 6 _  _ 7 _
+_ _ 3  4 8 _  _ 9 _
+
+3 _ _  _ _ _  _ _ 4
+_ 8 _  _ _ _  _ _ 5
+7 _ _  8 _ _  2 _ _
+
+SOLUTION:
+5 4 8  6 2 3  9 1 7
+2 6 1  7 4 9  8 5 3
+9 3 7  1 5 8  4 2 6
+
+8 7 9  5 3 2  6 4 1
+4 2 5  9 6 1  3 7 8
+6 1 3  4 8 7  5 9 2
+
+3 9 6  2 7 5  1 8 4
+1 8 2  3 9 4  7 6 5
+7 5 4  8 1 6  2 3 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,7,null,null,null,1,null,null,null,3,null,2,0,0,null,null,null,null,4,null,null,null,6,null,null,null,2,7,0,null,null,7,null,null,null,null,null,null,5,null,1,null,4,3,null,null,null,null,2,4,null,3,null,8,5,null,null,null,null,null,null,null,0,null,null,null,null,null,8,null,1,null,null,null,null,null],"solution":[3,4,2,0,1,8,7,6,5,8,1,5,6,7,3,4,2,0,0,7,6,2,5,4,1,3,8,6,3,8,5,2,7,0,4,1,7,2,0,8,4,1,6,5,3,1,5,4,3,6,0,8,7,2,4,0,3,7,8,5,2,1,6,5,6,1,4,0,2,3,8,7,2,8,7,1,3,6,5,0,4]}
+PUZZLE:
+_ _ _  _ _ _  8 _ _
+_ 2 _  _ _ 4  _ 3 1
+1 _ _  _ _ 5  _ _ _
+
+7 _ _  _ 3 8  1 _ _
+8 _ _  _ _ _  _ 6 _
+2 _ 5  4 _ _  _ _ 3
+
+5 _ 4  _ 9 6  _ _ _
+_ _ _  _ 1 _  _ _ _
+_ 9 _  2 _ _  _ _ _
+
+SOLUTION:
+4 5 3  1 2 9  8 7 6
+9 2 6  7 8 4  5 3 1
+1 8 7  3 6 5  2 4 9
+
+7 4 9  6 3 8  1 5 2
+8 3 1  9 5 2  7 6 4
+2 6 5  4 7 1  9 8 3
+
+5 1 4  8 9 6  3 2 7
+6 7 2  5 1 3  4 9 8
+3 9 8  2 4 7  6 1 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[3,null,null,null,null,null,null,5,7,null,null,null,null,null,4,null,null,null,null,null,null,0,null,3,null,null,6,null,null,4,null,null,8,2,3,null,7,null,3,null,null,null,null,8,4,null,0,null,null,null,null,7,null,null,null,null,2,null,5,null,null,null,null,null,8,7,null,6,null,4,null,null,null,null,null,null,null,null,null,null,1],"solution":[3,4,8,1,2,6,0,5,7,0,7,6,5,8,4,3,1,2,2,1,5,0,7,3,8,4,6,6,5,4,7,1,8,2,3,0,7,2,3,6,0,5,1,8,4,8,0,1,3,4,2,7,6,5,1,3,2,4,5,0,6,7,8,5,8,7,2,6,1,4,0,3,4,6,0,8,3,7,5,2,1]}
+PUZZLE:
+4 _ _  _ _ _  _ 6 8
+_ _ _  _ _ 5  _ _ _
+_ _ _  1 _ 4  _ _ 7
+
+_ _ 5  _ _ 9  3 4 _
+8 _ 4  _ _ _  _ 9 5
+_ 1 _  _ _ _  8 _ _
+
+_ _ 3  _ 6 _  _ _ _
+_ 9 8  _ 7 _  5 _ _
+_ _ _  _ _ _  _ _ 2
+
+SOLUTION:
+4 5 9  2 3 7  1 6 8
+1 8 7  6 9 5  4 2 3
+3 2 6  1 8 4  9 5 7
+
+7 6 5  8 2 9  3 4 1
+8 3 4  7 1 6  2 9 5
+9 1 2  4 5 3  8 7 6
+
+2 4 3  5 6 1  7 8 9
+6 9 8  3 7 2  5 1 4
+5 7 1  9 4 8  6 3 2
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,null,6,3,4,null,null,null,null,null,null,null,null,2,8,null,7,null,null,2,null,null,1,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,2,null,7,null,null,2,4,null,null,null,7,null,null,8,null,7,null,3,null,null,null,null,null,5,6,null,null,8,4,null,2,null,null,8,null,null,7,0,null,3,null],"solution":[1,2,8,0,6,3,4,7,5,3,0,4,7,1,5,2,8,6,7,5,6,2,4,8,1,0,3,8,1,7,4,0,6,3,5,2,6,3,5,8,2,1,7,4,0,2,4,0,5,3,7,6,1,8,0,7,1,3,5,2,8,6,4,5,6,3,1,8,4,0,2,7,4,8,2,6,7,0,5,3,1]}
+PUZZLE:
+_ _ _  _ 7 4  5 _ _
+_ _ _  _ _ _  3 9 _
+8 _ _  3 _ _  2 _ _
+
+_ _ _  _ _ _  _ _ _
+7 _ _  _ 3 _  8 _ _
+3 5 _  _ _ 8  _ _ 9
+
+_ 8 _  4 _ _  _ _ _
+6 7 _  _ 9 5  _ 3 _
+_ 9 _  _ 8 1  _ 4 _
+
+SOLUTION:
+2 3 9  1 7 4  5 8 6
+4 1 5  8 2 6  3 9 7
+8 6 7  3 5 9  2 1 4
+
+9 2 8  5 1 7  4 6 3
+7 4 6  9 3 2  8 5 1
+3 5 1  6 4 8  7 2 9
+
+1 8 2  4 6 3  9 7 5
+6 7 4  2 9 5  1 3 8
+5 9 3  7 8 1  6 4 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[0,null,null,null,null,null,null,4,null,null,null,null,null,null,null,5,1,6,6,null,null,null,null,1,7,null,8,null,0,6,null,7,null,null,null,null,null,2,null,null,null,null,0,null,null,1,null,null,null,6,null,null,null,null,3,null,null,null,null,2,null,null,1,null,null,null,null,null,8,4,null,2,null,8,5,null,null,3,null,null,null],"solution":[0,7,1,5,8,6,2,4,3,4,3,8,0,2,7,5,1,6,6,5,2,4,3,1,7,0,8,8,0,6,3,7,5,1,2,4,5,2,3,8,1,4,0,6,7,1,4,7,2,6,0,3,8,5,3,6,4,7,0,2,8,5,1,7,1,0,6,5,8,4,3,2,2,8,5,1,4,3,6,7,0]}
+PUZZLE:
+1 _ _  _ _ _  _ 5 _
+_ _ _  _ _ _  6 2 7
+7 _ _  _ _ 2  8 _ 9
+
+_ 1 7  _ 8 _  _ _ _
+_ 3 _  _ _ _  1 _ _
+2 _ _  _ 7 _  _ _ _
+
+4 _ _  _ _ 3  _ _ 2
+_ _ _  _ _ 9  5 _ 3
+_ 9 6  _ _ 4  _ _ _
+
+SOLUTION:
+1 8 2  6 9 7  3 5 4
+5 4 9  1 3 8  6 2 7
+7 6 3  5 4 2  8 1 9
+
+9 1 7  4 8 6  2 3 5
+6 3 4  9 2 5  1 7 8
+2 5 8  3 7 1  4 9 6
+
+4 7 5  8 1 3  9 6 2
+8 2 1  7 6 9  5 4 3
+3 9 6  2 5 4  7 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,null,null,3,null,0,5,null,null,null,0,1,null,null,null,null,null,null,8,null,null,null,3,null,null,null,null,4,null,null,null,null,null,1,null,null,1,null,null,8,null,null,4,0,null,null,null,null,null,2,6,null,null,null,2,3,null,4,null,null,null,null,8,null,null,2,1,null,null,null,null,null,null,null,6,null,null,null,null],"solution":[2,6,7,4,8,3,1,0,5,5,4,3,0,1,2,6,8,7,1,0,8,5,7,6,3,4,2,8,2,4,6,3,0,5,7,1,6,7,1,2,5,8,0,3,4,0,3,5,1,4,7,2,6,8,7,5,2,3,0,4,8,1,6,3,8,6,7,2,1,4,5,0,4,1,0,8,6,5,7,2,3]}
+PUZZLE:
+_ 7 _  _ _ 4  _ 1 6
+_ _ _  1 2 _  _ _ _
+_ _ 9  _ _ _  4 _ _
+
+_ _ 5  _ _ _  _ _ 2
+_ _ 2  _ _ 9  _ _ 5
+1 _ _  _ _ _  3 7 _
+
+_ _ 3  4 _ 5  _ _ _
+_ 9 _  _ 3 2  _ _ _
+_ _ _  _ 7 _  _ _ _
+
+SOLUTION:
+3 7 8  5 9 4  2 1 6
+6 5 4  1 2 3  7 9 8
+2 1 9  6 8 7  4 5 3
+
+9 3 5  7 4 1  6 8 2
+7 8 2  3 6 9  1 4 5
+1 4 6  2 5 8  3 7 9
+
+8 6 3  4 1 5  9 2 7
+4 9 7  8 3 2  5 6 1
+5 2 1  9 7 6  8 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,1,5,null,null,null,3,null,null,null,null,6,null,null,0,2,null,null,6,null,null,7,null,null,null,null,1,null,5,null,null,null,6,8,null,null,null,null,3,null,2,null,null,null,null,5,null,null,null,4,null,null,null,0,null,null,null,null,null,null,null,null,null,null,8,null,4,null,null,null,null,null,7,3,null,null,null,5,null],"solution":[2,8,4,1,5,0,6,7,3,7,5,1,4,6,3,8,0,2,0,3,6,2,8,7,5,4,1,3,1,0,5,4,2,7,6,8,4,7,8,0,3,6,2,1,5,6,2,5,7,1,8,4,3,0,1,0,2,6,7,5,3,8,4,5,6,3,8,0,4,1,2,7,8,4,7,3,2,1,0,5,6]}
+PUZZLE:
+_ 9 _  2 6 _  _ _ 4
+_ _ _  _ 7 _  _ 1 3
+_ _ 7  _ _ 8  _ _ _
+
+_ 2 _  6 _ _  _ 7 9
+_ _ _  _ 4 _  3 _ _
+_ _ 6  _ _ _  5 _ _
+
+_ 1 _  _ _ _  _ _ _
+_ _ _  9 _ 5  _ _ _
+_ _ 8  4 _ _  _ 6 _
+
+SOLUTION:
+3 9 5  2 6 1  7 8 4
+8 6 2  5 7 4  9 1 3
+1 4 7  3 9 8  6 5 2
+
+4 2 1  6 5 3  8 7 9
+5 8 9  1 4 7  3 2 6
+7 3 6  8 2 9  5 4 1
+
+2 1 3  7 8 6  4 9 5
+6 7 4  9 1 5  2 3 8
+9 5 8  4 3 2  1 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,2,null,null,null,null,null,7,null,null,null,null,5,3,6,null,null,null,7,null,null,null,null,null,null,5,null,null,3,4,null,5,null,null,0,null,4,null,null,null,null,null,8,null,null,null,0,null,null,null,null,null,null,null,null,null,3,1,0,8,null,null,null,2,null,null,null,4,5,null,null,null,null,null,null,null,6,null,null,4],"solution":[5,8,2,6,4,1,0,3,7,1,0,4,7,5,3,6,2,8,3,7,6,0,8,2,1,4,5,8,1,3,4,6,5,2,7,0,2,4,5,1,0,7,3,8,6,7,6,0,2,3,8,4,5,1,4,5,7,3,1,0,8,6,2,6,2,1,8,7,4,5,0,3,0,3,8,5,2,6,7,1,4]}
+PUZZLE:
+_ 9 3  _ _ _  _ _ 8
+_ _ _  _ 6 4  7 _ _
+_ 8 _  _ _ _  _ _ 6
+
+_ _ 4  5 _ 6  _ _ 1
+_ 5 _  _ _ _  _ 9 _
+_ _ 1  _ _ _  _ _ _
+
+_ _ _  4 2 1  9 _ _
+_ 3 _  _ _ 5  6 _ _
+_ _ _  _ _ 7  _ _ 5
+
+SOLUTION:
+6 9 3  7 5 2  1 4 8
+2 1 5  8 6 4  7 3 9
+4 8 7  1 9 3  2 5 6
+
+9 2 4  5 7 6  3 8 1
+3 5 6  2 1 8  4 9 7
+8 7 1  3 4 9  5 6 2
+
+5 6 8  4 2 1  9 7 3
+7 3 2  9 8 5  6 1 4
+1 4 9  6 3 7  8 2 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,5,null,null,3,7,null,8,null,null,null,null,null,null,null,4,null,6,null,3,null,null,null,1,null,0,null,null,7,null,8,null,null,null,null,null,null,null,2,null,null,null,3,7,null,null,null,6,null,null,null,null,null,null,null,6,1,null,null,null,null,null,null,7,null,null,null,null,null,null,5,null,null,null,null,null,0,null,8],"solution":[4,0,1,5,8,6,3,7,2,8,7,3,1,0,2,6,5,4,2,6,5,3,4,7,8,1,0,0,5,2,7,3,8,1,4,6,1,4,6,0,2,5,7,8,3,7,3,8,4,6,1,2,0,5,3,8,0,6,1,4,5,2,7,6,2,7,8,5,0,4,3,1,5,1,4,2,7,3,0,6,8]}
+PUZZLE:
+_ _ 2  6 _ _  4 8 _
+9 _ _  _ _ _  _ _ 5
+_ 7 _  4 _ _  _ 2 _
+
+1 _ _  8 _ 9  _ _ _
+_ _ _  _ 3 _  _ _ 4
+8 _ _  _ 7 _  _ _ _
+
+_ _ _  7 2 _  _ _ _
+_ _ 8  _ _ _  _ _ _
+6 _ _  _ _ _  1 _ 9
+
+SOLUTION:
+5 1 2  6 9 7  4 8 3
+9 8 4  2 1 3  7 6 5
+3 7 6  4 5 8  9 2 1
+
+1 6 3  8 4 9  2 5 7
+2 5 7  1 3 6  8 9 4
+8 4 9  5 7 2  3 1 6
+
+4 9 1  7 2 5  6 3 8
+7 3 8  9 6 1  5 4 2
+6 2 5  3 8 4  1 7 9
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,8,null,7,null,null,1,null,null,null,5,null,null,null,null,null,2,null,null,null,6,8,4,null,null,null,7,null,null,3,1,null,1,6,null,null,null,null,0,null,null,null,0,null,5,null,null,null,null,null,null,null,null,null,2,1,7,0,null,null,null,4,null,null,null,null,null,null,null,null,null,8,null,null,5,null,null],"solution":[6,3,0,2,4,8,1,7,5,4,1,8,6,7,5,2,3,0,7,5,2,1,0,3,6,8,4,2,4,5,7,6,0,3,1,8,1,6,7,3,8,4,0,5,2,8,0,3,5,1,2,4,6,7,5,8,6,4,2,1,7,0,3,3,7,4,0,5,6,8,2,1,0,2,1,8,3,7,5,4,6]}
+PUZZLE:
+_ _ _  _ _ 9  _ 8 _
+_ 2 _  _ _ 6  _ _ _
+_ _ 3  _ _ _  7 9 5
+
+_ _ _  8 _ _  4 2 _
+2 7 _  _ _ _  1 _ _
+_ 1 _  6 _ _  _ _ _
+
+_ _ _  _ 3 2  8 1 _
+_ _ 5  _ _ _  _ _ _
+_ _ _  9 _ _  6 _ _
+
+SOLUTION:
+7 4 1  3 5 9  2 8 6
+5 2 9  7 8 6  3 4 1
+8 6 3  2 1 4  7 9 5
+
+3 5 6  8 7 1  4 2 9
+2 7 8  4 9 5  1 6 3
+9 1 4  6 2 3  5 7 8
+
+6 9 7  5 3 2  8 1 4
+4 8 5  1 6 7  9 3 2
+1 3 2  9 4 8  6 5 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[3,null,6,null,null,null,null,null,null,0,null,null,null,null,null,null,3,null,null,1,null,7,null,null,5,6,2,4,null,7,null,2,null,null,null,8,5,null,null,6,null,null,null,null,null,null,null,0,null,null,null,null,4,null,2,null,null,4,null,null,null,null,null,null,5,null,2,7,null,null,null,4,null,null,null,null,6,3,null,null,null],"solution":[3,7,6,1,5,2,4,8,0,0,2,5,8,4,6,7,3,1,8,1,4,7,3,0,5,6,2,4,6,7,3,2,1,0,5,8,5,8,2,6,0,4,3,1,7,1,3,0,5,8,7,2,4,6,2,0,8,4,1,5,6,7,3,6,5,3,2,7,8,1,0,4,7,4,1,0,6,3,8,2,5]}
+PUZZLE:
+4 _ 7  _ _ _  _ _ _
+1 _ _  _ _ _  _ 4 _
+_ 2 _  8 _ _  6 7 3
+
+5 _ 8  _ 3 _  _ _ 9
+6 _ _  7 _ _  _ _ _
+_ _ 1  _ _ _  _ 5 _
+
+3 _ _  5 _ _  _ _ _
+_ 6 _  3 8 _  _ _ 5
+_ _ _  _ 7 4  _ _ _
+
+SOLUTION:
+4 8 7  2 6 3  5 9 1
+1 3 6  9 5 7  8 4 2
+9 2 5  8 4 1  6 7 3
+
+5 7 8  4 3 2  1 6 9
+6 9 3  7 1 5  4 2 8
+2 4 1  6 9 8  3 5 7
+
+3 1 9  5 2 6  7 8 4
+7 6 4  3 8 9  2 1 5
+8 5 2  1 7 4  9 3 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,6,null,null,null,null,2,null,4,null,null,2,0,null,null,null,1,null,8,null,null,null,1,5,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,2,3,4,1,0,7,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,7,null,null,null,null,6,null,null,null,null,null,4,null,2,7,null],"solution":[1,5,6,4,7,8,0,2,3,4,7,3,2,0,5,6,8,1,0,8,2,3,6,1,5,4,7,2,4,1,8,5,0,7,3,6,8,6,5,7,2,3,4,1,0,7,3,0,6,1,4,8,5,2,6,2,4,5,3,7,1,0,8,5,1,7,0,8,2,3,6,4,3,0,8,1,4,6,2,7,5]}
+PUZZLE:
+_ _ 7  _ _ _  _ 3 _
+5 _ _  3 1 _  _ _ 2
+_ 9 _  _ _ 2  6 _ _
+
+_ _ _  _ _ _  _ _ _
+9 _ _  _ 3 4  5 2 1
+8 _ 1  _ _ _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+_ 2 8  _ _ _  _ 7 _
+_ _ _  _ 5 _  3 8 _
+
+SOLUTION:
+2 6 7  5 8 9  1 3 4
+5 8 4  3 1 6  7 9 2
+1 9 3  4 7 2  6 5 8
+
+3 5 2  9 6 1  8 4 7
+9 7 6  8 3 4  5 2 1
+8 4 1  7 2 5  9 6 3
+
+7 3 5  6 4 8  2 1 9
+6 2 8  1 9 3  4 7 5
+4 1 9  2 5 7  3 8 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,5,null,4,2,null,6,null,null,7,null,8,null,1,null,null,null,null,null,null,null,null,null,null,5,null,1,null,null,3,null,3,null,null,null,null,null,6,null,0,null,null,null,null,null,null,null,7,null,null,null,1,null,7,8,null,null,7,4,null,null,null,null,2,0,null,null,null,0,null,5,2,null,null,null],"solution":[8,0,7,2,1,4,3,5,6,4,2,5,6,3,0,7,1,8,6,1,3,7,8,5,4,2,0,2,7,6,5,4,1,0,8,3,1,3,4,0,7,8,5,6,2,0,5,8,3,2,6,1,4,7,5,6,2,1,0,7,8,3,4,7,4,1,8,6,3,2,0,5,3,8,0,4,5,2,6,7,1]}
+PUZZLE:
+_ _ _  _ _ _  _ 6 _
+5 3 _  7 _ _  8 _ 9
+_ 2 _  _ _ _  _ _ _
+
+_ _ _  6 _ 2  _ _ 4
+_ 4 _  _ _ _  _ 7 _
+1 _ _  _ _ _  _ _ 8
+
+_ _ _  2 _ 8  9 _ _
+8 5 _  _ _ _  3 1 _
+_ _ 1  _ 6 3  _ _ _
+
+SOLUTION:
+9 1 8  3 2 5  4 6 7
+5 3 6  7 4 1  8 2 9
+7 2 4  8 9 6  5 3 1
+
+3 8 7  6 5 2  1 9 4
+2 4 5  1 8 9  6 7 3
+1 6 9  4 3 7  2 5 8
+
+6 7 3  2 1 8  9 4 5
+8 5 2  9 7 4  3 1 6
+4 9 1  5 6 3  7 8 2
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,0,null,null,0,2,null,null,6,null,3,2,null,null,null,1,0,null,7,null,7,null,null,null,null,null,null,1,6,null,null,null,5,null,7,0,null,null,null,null,8,4,5,null,2,null,null,6,null,null,null,null,null,null,null,5,4,2,null,null,null,null,null,null,null],"solution":[8,6,7,0,3,5,1,2,4,3,4,2,8,6,1,7,5,0,5,1,0,2,7,4,6,8,3,2,5,3,6,1,0,4,7,8,7,0,4,3,2,8,5,1,6,1,8,6,5,4,7,0,3,2,0,7,8,4,5,3,2,6,1,6,3,1,7,0,2,8,4,5,4,2,5,1,8,6,3,0,7]}
+PUZZLE:
+9 _ _  _ _ _  _ _ _
+_ _ _  _ _ 2  _ _ 1
+_ _ 1  3 _ _  7 _ 4
+
+3 _ _  _ 2 1  _ 8 _
+8 _ _  _ _ _  _ 2 7
+_ _ _  6 _ 8  1 _ _
+
+_ _ 9  5 6 _  3 _ _
+7 _ _  _ _ _  _ _ 6
+5 3 _  _ _ _  _ _ _
+
+SOLUTION:
+9 7 8  1 4 6  2 3 5
+4 5 3  9 7 2  8 6 1
+6 2 1  3 8 5  7 9 4
+
+3 6 4  7 2 1  5 8 9
+8 1 5  4 3 9  6 2 7
+2 9 7  6 5 8  1 4 3
+
+1 8 9  5 6 4  3 7 2
+7 4 2  8 1 3  9 5 6
+5 3 6  2 9 7  4 1 8
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,6,null,null,null,null,4,null,null,5,3,null,null,null,7,null,null,null,null,null,null,null,1,null,null,2,5,null,null,null,null,5,null,3,0,null,3,null,null,8,null,null,null,null,null,null,null,null,7,null,2,null,8,null,0,null,null,null,null,null,null,null,4,null,null,null,1,2,null,null,5,null,null,2,null,null,null,8,0,null,6],"solution":[2,6,1,0,8,5,4,7,3,5,3,8,2,4,7,1,6,0,7,0,4,3,1,6,8,2,5,8,1,2,6,5,4,3,0,7,3,7,6,8,0,1,5,4,2,4,5,0,7,3,2,6,8,1,0,8,7,5,6,3,2,1,4,6,4,3,1,2,0,7,5,8,1,2,5,4,7,8,0,3,6]}
+PUZZLE:
+_ 7 _  _ _ _  5 _ _
+6 4 _  _ _ 8  _ _ _
+_ _ _  _ 2 _  _ 3 6
+
+_ _ _  _ 6 _  4 1 _
+4 _ _  9 _ _  _ _ _
+_ _ _  8 _ 3  _ 9 _
+
+1 _ _  _ _ _  _ _ 5
+_ _ _  2 3 _  _ 6 _
+_ 3 _  _ _ 9  1 _ 7
+
+SOLUTION:
+3 7 2  1 9 6  5 8 4
+6 4 9  3 5 8  2 7 1
+8 1 5  4 2 7  9 3 6
+
+9 2 3  7 6 5  4 1 8
+4 8 7  9 1 2  6 5 3
+5 6 1  8 4 3  7 9 2
+
+1 9 8  6 7 4  3 2 5
+7 5 4  2 3 1  8 6 9
+2 3 6  5 8 9  1 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,0,null,null,7,null,null,null,5,null,3,null,null,null,null,null,null,null,null,null,7,null,4,3,null,null,null,null,null,null,null,null,null,null,null,null,null,7,8,null,null,null,null,1,null,null,null,5,2,null,null,null,null,null,8,null,2,null,3,null,4,5,null,null,null,4,null,null,0,null,0,null,4,null,null,null,5,2,8],"solution":[8,4,3,0,6,5,7,1,2,2,5,7,3,1,4,6,8,0,6,0,1,2,7,8,4,3,5,3,8,5,4,0,1,2,7,6,4,2,6,7,8,3,0,5,1,1,7,0,6,5,2,8,4,3,7,1,8,5,2,0,3,6,4,5,3,2,8,4,6,1,0,7,0,6,4,1,3,7,5,2,8]}
+PUZZLE:
+9 _ _  1 _ _  8 _ _
+_ 6 _  4 _ _  _ _ _
+_ _ _  _ 8 _  5 4 _
+
+_ _ _  _ _ _  _ _ _
+_ _ _  8 9 _  _ _ _
+2 _ _  _ 6 3  _ _ _
+
+_ _ 9  _ 3 _  4 _ 5
+6 _ _  _ 5 _  _ 1 _
+1 _ 5  _ _ _  6 3 9
+
+SOLUTION:
+9 5 4  1 7 6  8 2 3
+3 6 8  4 2 5  7 9 1
+7 1 2  3 8 9  5 4 6
+
+4 9 6  5 1 2  3 8 7
+5 3 7  8 9 4  1 6 2
+2 8 1  7 6 3  9 5 4
+
+8 2 9  6 3 1  4 7 5
+6 4 3  9 5 7  2 1 8
+1 7 5  2 4 8  6 3 9
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,7,null,null,null,null,6,4,null,null,6,null,7,null,5,null,null,2,null,null,null,null,null,null,null,5,null,null,5,6,3,null,4,7,null,null,null,3,null,null,null,null,1,6,null,1,null,2,null,null,null,5,null,null,null,null,1,8,null,7,0,null,6,3,null,null,null,null,null,null,8,null,null,null,null,1,null,null,null,null,null],"solution":[8,7,5,2,3,1,6,4,0,4,6,0,7,8,5,3,1,2,2,1,3,4,6,0,8,5,7,0,5,6,3,1,4,7,2,8,7,3,8,0,5,2,1,6,4,1,4,2,6,7,8,5,0,3,5,2,1,8,4,7,0,3,6,3,0,7,5,2,6,4,8,1,6,8,4,1,0,3,2,7,5]}
+PUZZLE:
+_ 8 _  _ _ _  7 5 _
+_ 7 _  8 _ 6  _ _ 3
+_ _ _  _ _ _  _ 6 _
+
+_ 6 7  4 _ 5  8 _ _
+_ 4 _  _ _ _  2 7 _
+2 _ 3  _ _ _  6 _ _
+
+_ _ 2  9 _ 8  1 _ 7
+4 _ _  _ _ _  _ 9 _
+_ _ _  2 _ _  _ _ _
+
+SOLUTION:
+9 8 6  3 4 2  7 5 1
+5 7 1  8 9 6  4 2 3
+3 2 4  5 7 1  9 6 8
+
+1 6 7  4 2 5  8 3 9
+8 4 9  1 6 3  2 7 5
+2 5 3  7 8 9  6 1 4
+
+6 3 2  9 5 8  1 4 7
+4 1 8  6 3 7  5 9 2
+7 9 5  2 1 4  3 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,0,1,null,null,null,null,null,null,3,null,null,8,7,null,4,null,null,7,null,null,null,null,6,null,null,null,4,null,null,null,null,null,null,1,6,null,null,null,null,null,null,7,null,null,null,null,null,4,null,5,6,null,null,null,null,null,null,6,null,5,0,null,1,3,null,null,null,null,null,null,null,null,7,3,0,null,null,null,null],"solution":[4,5,0,1,6,2,8,3,7,1,3,6,5,8,7,0,4,2,8,7,2,4,3,0,6,1,5,3,4,8,6,7,5,2,0,1,6,0,5,8,2,1,4,7,3,7,2,1,0,4,3,5,6,8,2,8,4,7,1,6,3,5,0,0,1,3,2,5,4,7,8,6,5,6,7,3,0,8,1,2,4]}
+PUZZLE:
+5 _ 1  2 _ _  _ _ _
+_ 4 _  _ 9 8  _ 5 _
+_ 8 _  _ _ _  7 _ _
+
+_ 5 _  _ _ _  _ _ 2
+7 _ _  _ _ _  _ 8 _
+_ _ _  _ 5 _  6 7 _
+
+_ _ _  _ _ 7  _ 6 1
+_ 2 4  _ _ _  _ _ _
+_ _ 8  4 1 _  _ _ _
+
+SOLUTION:
+5 6 1  2 7 3  9 4 8
+2 4 7  6 9 8  1 5 3
+9 8 3  5 4 1  7 2 6
+
+4 5 9  7 8 6  3 1 2
+7 1 6  9 3 2  5 8 4
+8 3 2  1 5 4  6 7 9
+
+3 9 5  8 2 7  4 6 1
+1 2 4  3 6 5  8 9 7
+6 7 8  4 1 9  2 3 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,4,0,null,8,2,null,null,null,null,null,null,null,null,7,null,null,null,1,5,2,null,null,null,null,4,5,null,null,null,1,null,null,null,6,null,null,8,null,null,2,0,null,null,null,0,null,null,null,7,null,null,null,7,null,null,1,null,null,null,null,null,null,4,1,null,null,3,null,null,null,null,null,0,null,null,5,null,7,null],"solution":[6,7,4,0,3,8,2,1,5,2,8,3,4,5,1,7,6,0,0,1,5,2,7,6,3,8,4,5,2,7,3,1,0,8,4,6,1,3,8,6,4,2,0,5,7,4,0,6,5,8,7,1,2,3,7,5,2,1,0,4,6,3,8,8,4,1,7,6,3,5,0,2,3,6,0,8,2,5,4,7,1]}
+PUZZLE:
+_ _ 5  1 _ 9  3 _ _
+_ _ _  _ _ _  8 _ _
+_ 2 6  3 _ _  _ _ 5
+
+6 _ _  _ 2 _  _ _ 7
+_ _ 9  _ _ 3  1 _ _
+_ 1 _  _ _ 8  _ _ _
+
+8 _ _  2 _ _  _ _ _
+_ 5 2  _ _ 4  _ _ _
+_ _ 1  _ _ 6  _ 8 _
+
+SOLUTION:
+7 8 5  1 4 9  3 2 6
+3 9 4  5 6 2  8 7 1
+1 2 6  3 8 7  4 9 5
+
+6 3 8  4 2 1  9 5 7
+2 4 9  7 5 3  1 6 8
+5 1 7  6 9 8  2 3 4
+
+8 6 3  2 1 5  7 4 9
+9 5 2  8 7 4  6 1 3
+4 7 1  9 3 6  5 8 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,null,null,3,null,null,8,null,null,0,null,null,1,3,null,2,null,null,null,7,null,null,null,null,null,1,null,3,null,null,0,2,null,null,8,null,null,2,null,null,7,null,null,null,null,null,null,null,null,6,5,null,null,5,null,4,null,null,null,null,null,null,null,7,null,null,null,1,null,null,null,8,null,null,0,5,null,null,null],"solution":[7,2,6,0,4,3,5,1,8,5,4,0,6,8,1,3,7,2,3,1,8,7,5,2,0,4,6,1,6,3,5,7,0,2,8,4,8,0,5,2,6,4,7,3,1,2,7,4,1,3,8,6,5,0,0,5,2,4,1,7,8,6,3,4,3,7,8,2,6,1,0,5,6,8,1,3,0,5,4,2,7]}
+PUZZLE:
+_ 3 _  _ _ 4  _ _ 9
+_ _ 1  _ _ 2  4 _ 3
+_ _ _  8 _ _  _ _ _
+
+2 _ 4  _ _ 1  3 _ _
+9 _ _  3 _ _  8 _ _
+_ _ _  _ _ _  7 6 _
+
+_ 6 _  5 _ _  _ _ _
+_ _ 8  _ _ _  2 _ _
+_ 9 _  _ 1 6  _ _ _
+
+SOLUTION:
+8 3 7  1 5 4  6 2 9
+6 5 1  7 9 2  4 8 3
+4 2 9  8 6 3  1 5 7
+
+2 7 4  6 8 1  3 9 5
+9 1 6  3 7 5  8 4 2
+3 8 5  2 4 9  7 6 1
+
+1 6 3  5 2 8  9 7 4
+5 4 8  9 3 7  2 1 6
+7 9 2  4 1 6  5 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[0,null,null,null,3,6,null,null,null,4,3,null,null,null,0,null,8,7,null,null,2,null,null,null,null,null,null,null,null,0,1,null,null,7,null,5,5,null,null,null,2,null,null,4,null,null,null,4,3,null,null,null,null,2,null,null,null,null,null,null,5,null,null,null,null,null,null,4,null,8,7,6,3,null,null,null,null,null,null,0,null],"solution":[0,1,7,8,3,6,2,5,4,4,3,5,2,1,0,6,8,7,6,8,2,4,7,5,3,1,0,8,2,0,1,6,4,7,3,5,5,6,3,0,2,7,1,4,8,1,7,4,3,5,8,0,6,2,7,4,8,6,0,1,5,2,3,2,0,1,5,4,3,8,7,6,3,5,6,7,8,2,4,0,1]}
+PUZZLE:
+1 _ _  _ 4 7  _ _ _
+5 4 _  _ _ 1  _ 9 8
+_ _ 3  _ _ _  _ _ _
+
+_ _ 1  2 _ _  8 _ 6
+6 _ _  _ 3 _  _ 5 _
+_ _ 5  4 _ _  _ _ 3
+
+_ _ _  _ _ _  6 _ _
+_ _ _  _ 5 _  9 8 7
+4 _ _  _ _ _  _ 1 _
+
+SOLUTION:
+1 2 8  9 4 7  3 6 5
+5 4 6  3 2 1  7 9 8
+7 9 3  5 8 6  4 2 1
+
+9 3 1  2 7 5  8 4 6
+6 7 4  1 3 8  2 5 9
+2 8 5  4 6 9  1 7 3
+
+8 5 9  7 1 2  6 3 4
+3 1 2  6 5 4  9 8 7
+4 6 7  8 9 3  5 1 2
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,7,6,null,null,null,null,null,1,null,null,null,null,null,null,6,null,null,5,null,2,null,1,null,null,null,2,null,6,8,null,null,5,null,null,null,null,null,4,null,null,0,null,null,0,3,null,null,null,null,null,8,null,null,4,3,0,5,null,null,null,7,null,null,null,null,null,null,null,null,null,5,2,null,null,null,null,8,null],"solution":[2,4,0,7,6,1,8,3,5,8,1,7,5,3,4,0,2,6,3,6,5,0,2,8,1,7,4,4,2,1,6,8,0,7,5,3,5,7,8,1,4,3,6,0,2,6,0,3,2,5,7,4,1,8,1,8,4,3,0,5,2,6,7,7,3,6,8,1,2,5,4,0,0,5,2,4,7,6,3,8,1]}
+PUZZLE:
+_ _ _  8 7 _  _ _ _
+_ 2 _  _ _ _  _ _ 7
+_ _ 6  _ 3 _  2 _ _
+
+_ 3 _  7 9 _  _ 6 _
+_ _ _  _ 5 _  _ 1 _
+_ 1 4  _ _ _  _ _ 9
+
+_ _ 5  4 1 6  _ _ _
+8 _ _  _ _ _  _ _ _
+_ 6 3  _ _ _  _ 9 _
+
+SOLUTION:
+3 5 1  8 7 2  9 4 6
+9 2 8  6 4 5  1 3 7
+4 7 6  1 3 9  2 8 5
+
+5 3 2  7 9 1  8 6 4
+6 8 9  2 5 4  7 1 3
+7 1 4  3 6 8  5 2 9
+
+2 9 5  4 1 6  3 7 8
+8 4 7  9 2 3  6 5 1
+1 6 3  5 8 7  4 9 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,3,7,null,null,null,null,null,4,null,null,null,null,3,2,null,null,null,null,null,8,null,null,null,0,null,null,2,0,null,null,null,null,1,null,5,null,null,null,null,null,null,7,null,null,null,8,3,null,null,4,null,null,null,null,null,6,null,8,0,null,null,null,null,null,null,null,7,null,3,5,null,5,null,null,null,4,null,null,null,null],"solution":[1,3,7,6,0,8,5,2,4,0,6,5,4,3,2,8,1,7,4,2,8,7,1,5,0,6,3,2,0,4,8,6,7,1,3,5,6,5,1,0,2,3,7,4,8,7,8,3,1,5,4,2,0,6,3,1,6,5,8,0,4,7,2,8,4,0,2,7,6,3,5,1,5,7,2,3,4,1,6,8,0]}
+PUZZLE:
+_ 4 8  _ _ _  _ _ 5
+_ _ _  _ 4 3  _ _ _
+_ _ 9  _ _ _  1 _ _
+
+3 1 _  _ _ _  2 _ 6
+_ _ _  _ _ _  8 _ _
+_ 9 4  _ _ 5  _ _ _
+
+_ _ 7  _ 9 1  _ _ _
+_ _ _  _ 8 _  4 6 _
+6 _ _  _ 5 _  _ _ _
+
+SOLUTION:
+2 4 8  7 1 9  6 3 5
+1 7 6  5 4 3  9 2 8
+5 3 9  8 2 6  1 7 4
+
+3 1 5  9 7 8  2 4 6
+7 6 2  1 3 4  8 5 9
+8 9 4  2 6 5  3 1 7
+
+4 2 7  6 9 1  5 8 3
+9 5 1  3 8 7  4 6 2
+6 8 3  4 5 2  7 9 1
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,7,null,6,null,null,null,null,null,null,0,5,null,null,2,null,null,5,null,null,null,null,null,null,4,null,null,0,6,null,null,null,null,null,3,null,4,null,null,null,null,null,null,6,null,null,null,7,3,7,null,null,2,null,6,null,0,null,null,3,null,0,null,null,null,null,null,1,null,null,null,null,7,3,null,4],"solution":[8,5,1,4,0,2,7,3,6,4,7,3,1,6,8,0,5,2,0,2,6,7,5,3,1,4,8,3,1,4,8,7,0,6,2,5,5,6,7,3,2,4,8,1,0,2,8,0,6,1,5,4,7,3,7,4,8,2,3,6,5,0,1,6,3,5,0,4,1,2,8,7,1,0,2,5,8,7,3,6,4]}
+PUZZLE:
+_ _ _  _ _ _  8 _ 7
+_ _ _  _ _ _  1 6 _
+_ 3 _  _ 6 _  _ _ _
+
+_ _ 5  _ _ 1  7 _ _
+_ _ _  4 _ 5  _ _ _
+_ _ _  7 _ _  _ 8 4
+
+8 _ _  3 _ 7  _ 1 _
+_ 4 _  1 _ _  _ _ _
+2 _ _  _ _ 8  4 _ 5
+
+SOLUTION:
+9 6 2  5 1 3  8 4 7
+5 8 4  2 7 9  1 6 3
+1 3 7  8 6 4  2 5 9
+
+4 2 5  9 8 1  7 3 6
+6 7 8  4 3 5  9 2 1
+3 9 1  7 2 6  5 8 4
+
+8 5 9  3 4 7  6 1 2
+7 4 6  1 5 2  3 9 8
+2 1 3  6 9 8  4 7 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,7,null,null,5,null,null,null,0,null,null,null,4,8,null,3,null,6,null,null,null,null,null,7,null,null,null,8,null,1,null,3,null,null,null,null,5,6,null,null,1,8,null,1,null,null,3,null,null,null,null,null,null,null,null,5,null,null,null,null,2,null,4,null,null,null,7,null,5,null,2,null,6,1,null,null,null,null,null],"solution":[3,8,2,7,0,1,5,4,6,5,0,7,2,6,4,8,1,3,4,6,1,8,3,5,2,7,0,6,7,8,4,1,0,3,2,5,0,3,5,6,7,2,1,8,4,1,2,4,3,5,8,0,6,7,7,1,0,5,8,6,4,3,2,8,4,3,0,2,7,6,5,1,2,5,6,1,4,3,7,0,8]}
+PUZZLE:
+_ _ _  8 _ _  6 _ _
+_ 1 _  _ _ 5  9 _ 4
+_ 7 _  _ _ _  _ 8 _
+
+_ _ 9  _ 2 _  4 _ _
+_ _ 6  7 _ _  2 9 _
+2 _ _  4 _ _  _ _ _
+
+_ _ _  6 _ _  _ _ 3
+_ 5 _  _ _ 8  _ 6 _
+3 _ 7  2 _ _  _ _ _
+
+SOLUTION:
+4 9 3  8 1 2  6 5 7
+6 1 8  3 7 5  9 2 4
+5 7 2  9 4 6  3 8 1
+
+7 8 9  5 2 1  4 3 6
+1 4 6  7 8 3  2 9 5
+2 3 5  4 6 9  1 7 8
+
+8 2 1  6 9 7  5 4 3
+9 5 4  1 3 8  7 6 2
+3 6 7  2 5 4  8 1 9
+
+RATING: 3.5
+DATA:
+{"puzzle":[8,null,5,7,4,null,null,null,null,1,null,null,null,8,null,3,null,5,null,null,6,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,0,null,null,null,null,1,null,7,4,null,6,null,null,null,null,null,null,1,null,null,null,null,2,null,0,null,null,4,null,null,null,null,null,null,null,null,7,null,null,0,null,4,null,2,3],"solution":[8,0,5,7,4,3,6,1,2,1,4,7,2,8,6,3,0,5,2,3,6,1,0,5,4,8,7,3,7,1,4,5,2,8,6,0,0,8,2,6,3,1,5,7,4,5,6,4,8,7,0,2,3,1,6,1,3,5,2,7,0,4,8,4,2,0,3,1,8,7,5,6,7,5,8,0,6,4,1,2,3]}
+PUZZLE:
+9 _ 6  8 5 _  _ _ _
+2 _ _  _ 9 _  4 _ 6
+_ _ 7  _ _ _  _ _ _
+
+_ 8 _  _ _ _  _ _ _
+1 _ _  _ _ 2  _ 8 5
+_ 7 _  _ _ _  _ _ 2
+
+_ _ _  _ 3 _  1 _ _
+5 _ _  _ _ _  _ _ _
+8 _ _  1 _ 5  _ 3 4
+
+SOLUTION:
+9 1 6  8 5 4  7 2 3
+2 5 8  3 9 7  4 1 6
+3 4 7  2 1 6  5 9 8
+
+4 8 2  5 6 3  9 7 1
+1 9 3  7 4 2  6 8 5
+6 7 5  9 8 1  3 4 2
+
+7 2 4  6 3 8  1 5 9
+5 3 1  4 2 9  8 6 7
+8 6 9  1 7 5  2 3 4
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,7,null,null,null,0,5,null,null,null,0,null,null,null,4,null,null,null,null,null,6,null,null,1,8,null,null,5,null,7,null,null,null,6,null,null,null,null,null,null,3,null,null,5,1,null,2,null,null,6,null,null,null,5,8,null,null,null,null,null,0,null,null,null,null,1,null,null,null,1,2,8,null,null,null,null,5,null],"solution":[2,1,6,4,7,5,3,8,0,5,8,7,1,0,3,6,2,4,3,0,4,2,8,6,5,7,1,8,3,0,5,6,7,4,1,2,6,7,2,0,1,4,8,3,5,4,5,1,3,2,8,0,6,7,7,4,5,8,3,2,1,0,6,0,6,3,7,5,1,2,4,8,1,2,8,6,4,0,7,5,3]}
+PUZZLE:
+_ _ _  _ 8 _  _ _ 1
+6 _ _  _ 1 _  _ _ 5
+_ _ _  _ _ 7  _ _ 2
+
+9 _ _  6 _ 8  _ _ _
+7 _ _  _ _ _  _ 4 _
+_ 6 2  _ 3 _  _ 7 _
+
+_ _ 6  9 _ _  _ _ _
+1 _ _  _ _ 2  _ _ _
+2 3 9  _ _ _  _ 6 _
+
+SOLUTION:
+3 2 7  5 8 6  4 9 1
+6 9 8  2 1 4  7 3 5
+4 1 5  3 9 7  6 8 2
+
+9 4 1  6 7 8  5 2 3
+7 8 3  1 2 5  9 4 6
+5 6 2  4 3 9  1 7 8
+
+8 5 6  9 4 3  2 1 7
+1 7 4  8 6 2  3 5 9
+2 3 9  7 5 1  8 6 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,1,5,null,6,null,null,8,null,null,null,null,4,null,0,null,null,null,6,null,null,5,null,null,null,null,null,null,8,null,null,null,null,7,null,0,null,null,null,null,4,8,1,null,null,1,4,7,null,0,null,5,null,null,4,5,null,null,null,null,0,null,null,null,null,null,null,null,1,3,2,null,null,null,null,null,null,null,null,5,null],"solution":[0,1,5,2,6,7,4,8,3,8,3,2,4,1,0,6,7,5,6,7,4,5,8,3,2,0,1,2,8,6,1,3,5,7,4,0,5,0,3,7,4,8,1,6,2,1,4,7,6,0,2,5,3,8,4,5,8,3,2,6,0,1,7,7,6,0,8,5,1,3,2,4,3,2,1,0,7,4,8,5,6]}
+PUZZLE:
+_ 2 6  _ 7 _  _ 9 _
+_ _ _  5 _ 1  _ _ _
+7 _ _  6 _ _  _ _ _
+
+_ 9 _  _ _ _  8 _ 1
+_ _ _  _ 5 9  2 _ _
+2 5 8  _ 1 _  6 _ _
+
+5 6 _  _ _ _  1 _ _
+_ _ _  _ _ 2  4 3 _
+_ _ _  _ _ _  _ 6 _
+
+SOLUTION:
+1 2 6  3 7 8  5 9 4
+9 4 3  5 2 1  7 8 6
+7 8 5  6 9 4  3 1 2
+
+3 9 7  2 4 6  8 5 1
+6 1 4  8 5 9  2 7 3
+2 5 8  7 1 3  6 4 9
+
+5 6 9  4 3 7  1 2 8
+8 7 1  9 6 2  4 3 5
+4 3 2  1 8 5  9 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,5,4,null,7,null,0,7,1,null,null,3,null,null,null,2,null,6,null,null,null,null,null,4,7,null,5,3,8,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,8,null,1,3,null,null,7,null,2,null,5,null,null,null,null,null,6,null,null,null],"solution":[6,8,1,3,2,5,4,0,7,5,0,7,1,8,4,3,2,6,3,2,4,6,0,7,8,5,1,4,7,6,5,3,8,0,1,2,2,5,3,0,4,1,6,7,8,8,1,0,7,6,2,5,4,3,0,6,5,2,1,3,7,8,4,1,3,8,4,7,0,2,6,5,7,4,2,8,5,6,1,3,0]}
+PUZZLE:
+_ _ _  _ _ 6  5 _ 8
+_ 1 8  2 _ _  4 _ _
+_ 3 _  7 _ _  _ _ _
+
+5 8 _  6 4 9  _ _ _
+_ _ _  _ _ _  7 _ _
+_ _ _  _ _ _  _ _ 4
+
+_ _ _  _ _ _  _ 9 _
+2 4 _  _ 8 _  3 _ 6
+_ _ _  _ _ 7  _ _ _
+
+SOLUTION:
+7 9 2  4 3 6  5 1 8
+6 1 8  2 9 5  4 3 7
+4 3 5  7 1 8  9 6 2
+
+5 8 7  6 4 9  1 2 3
+3 6 4  1 5 2  7 8 9
+9 2 1  8 7 3  6 5 4
+
+1 7 6  3 2 4  8 9 5
+2 4 9  5 8 1  3 7 6
+8 5 3  9 6 7  2 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,1,8,null,5,null,null,null,6,null,null,2,null,null,0,3,null,null,null,null,null,null,4,2,null,7,null,null,null,null,1,0,3,null,null,null,3,6,null,4,null,null,null,null,5,null,null,null,null,null,null,4,null,null,1,null,null,7,null,5,null,null,null,null,null,null,null,6,1,7,5,null,null,null,null,null,null,null,null],"solution":[4,0,2,1,8,3,5,7,6,1,6,7,4,2,5,8,0,3,3,8,5,7,6,0,4,2,1,7,4,6,8,5,1,0,3,2,2,1,3,6,0,4,7,8,5,8,5,0,3,7,2,1,6,4,6,3,1,0,4,7,2,5,8,0,2,4,5,3,8,6,1,7,5,7,8,2,1,6,3,4,0]}
+PUZZLE:
+5 _ _  2 9 _  6 _ _
+_ 7 _  _ 3 _  _ 1 4
+_ _ _  _ _ _  5 3 _
+
+8 _ _  _ _ 2  1 4 _
+_ _ 4  7 _ 5  _ _ _
+_ 6 _  _ _ _  _ _ 5
+
+_ _ 2  _ _ 8  _ 6 _
+_ _ _  _ _ _  7 2 8
+6 _ _  _ _ _  _ _ _
+
+SOLUTION:
+5 1 3  2 9 4  6 8 7
+2 7 8  5 3 6  9 1 4
+4 9 6  8 7 1  5 3 2
+
+8 5 7  9 6 2  1 4 3
+3 2 4  7 1 5  8 9 6
+9 6 1  4 8 3  2 7 5
+
+7 4 2  1 5 8  3 6 9
+1 3 5  6 4 9  7 2 8
+6 8 9  3 2 7  4 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,1,null,5,2,null,8,null,null,5,null,6,null,1,null,1,7,null,null,null,0,null,null,null,null,5,7,3,null,null,null,null,null,null,null,4,1,null,2,null,6,null,6,null,null,null,null,7,4,null,null,null,null,null,null,null,null,0,null,2,null,0,null,null,null,null,8,7,null,null,null,null,null,null,null,null,null,null],"solution":[4,6,3,7,1,8,5,2,0,8,2,0,5,4,6,3,1,7,1,7,5,2,3,0,6,4,8,0,5,7,3,6,4,2,8,1,3,8,4,1,0,2,7,6,5,6,1,2,8,5,7,4,0,3,7,3,6,4,8,1,0,5,2,5,0,1,6,2,3,8,7,4,2,4,8,0,7,5,1,3,6]}
+PUZZLE:
+_ _ 4  _ 2 _  6 3 _
+9 _ _  6 _ 7  _ 2 _
+2 8 _  _ _ 1  _ _ _
+
+_ 6 8  4 _ _  _ _ _
+_ _ 5  2 _ 3  _ 7 _
+7 _ _  _ _ 8  5 _ _
+
+_ _ _  _ _ _  1 _ 3
+_ 1 _  _ _ _  9 8 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+5 7 4  8 2 9  6 3 1
+9 3 1  6 5 7  4 2 8
+2 8 6  3 4 1  7 5 9
+
+1 6 8  4 7 5  3 9 2
+4 9 5  2 1 3  8 7 6
+7 2 3  9 6 8  5 1 4
+
+8 4 7  5 9 2  1 6 3
+6 1 2  7 3 4  9 8 5
+3 5 9  1 8 6  2 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,0,null,null,null,null,null,null,null,6,5,8,null,null,2,null,null,null,null,7,3,null,5,null,null,2,null,0,null,6,null,1,4,null,1,5,null,null,null,null,null,6,null,null,null,null,null,null,4,null,null,null,null,null,null,8,null,null,4,null,5,null,null,null,null,null,null,null,null,null,8,null,1,null,null,null,null,null,3],"solution":[7,2,5,0,4,6,8,3,1,3,0,6,5,8,1,7,2,4,4,1,8,7,3,2,5,0,6,2,7,0,3,6,5,1,4,8,1,5,4,2,0,8,3,6,7,6,8,3,1,7,4,0,5,2,0,6,7,8,2,3,4,1,5,5,3,2,4,1,7,6,8,0,8,4,1,6,5,0,2,7,3]}
+PUZZLE:
+_ 3 _  1 _ _  _ _ _
+_ _ 7  6 9 _  _ 3 _
+_ _ _  8 4 _  6 _ _
+
+3 _ 1  _ 7 _  2 5 _
+2 6 _  _ _ _  _ 7 _
+_ _ _  _ _ 5  _ _ _
+
+_ _ _  9 _ _  5 _ 6
+_ _ _  _ _ _  _ _ _
+9 _ 2  _ _ _  _ _ 4
+
+SOLUTION:
+8 3 6  1 5 7  9 4 2
+4 1 7  6 9 2  8 3 5
+5 2 9  8 4 3  6 1 7
+
+3 8 1  4 7 6  2 5 9
+2 6 5  3 1 9  4 7 8
+7 9 4  2 8 5  1 6 3
+
+1 7 8  9 3 4  5 2 6
+6 4 3  5 2 8  7 9 1
+9 5 2  7 6 1  3 8 4
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,0,null,null,6,5,null,null,null,1,null,null,2,null,null,null,7,null,6,3,null,null,null,null,null,null,null,null,null,null,1,4,null,null,null,null,null,null,null,null,3,7,null,8,3,null,null,null,null,null,null,2,null,2,null,null,1,5,null,null,3,4,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,5,6],"solution":[4,2,0,8,7,6,5,1,3,8,1,5,3,2,0,4,6,7,7,6,3,5,4,1,2,8,0,6,8,2,7,1,4,3,0,5,0,5,1,2,6,3,7,4,8,3,4,7,0,8,5,6,2,1,2,0,6,1,5,7,8,3,4,5,3,4,6,0,8,1,7,2,1,7,8,4,3,2,0,5,6]}
+PUZZLE:
+5 _ 1  _ _ 7  6 _ _
+_ 2 _  _ 3 _  _ _ 8
+_ 7 4  _ _ _  _ _ _
+
+_ _ _  _ 2 5  _ _ _
+_ _ _  _ _ 4  8 _ 9
+4 _ _  _ _ _  _ 3 _
+
+3 _ _  2 6 _  _ 4 5
+_ _ _  _ _ _  _ _ _
+_ 8 _  _ _ _  _ 6 7
+
+SOLUTION:
+5 3 1  9 8 7  6 2 4
+9 2 6  4 3 1  5 7 8
+8 7 4  6 5 2  3 9 1
+
+7 9 3  8 2 5  4 1 6
+1 6 2  3 7 4  8 5 9
+4 5 8  1 9 6  7 3 2
+
+3 1 7  2 6 8  9 4 5
+6 4 5  7 1 9  2 8 3
+2 8 9  5 4 3  1 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,3,null,null,null,7,null,1,null,4,8,null,null,2,null,1,null,0,3,null,null,6,4,null,null,2,7,null,0,null,null,null,null,null,null,null,null,4,null,5,null,6,null,8,null,null,null,null,4,8,5,0,null,3,2,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[2,4,1,0,3,6,5,8,7,3,6,0,5,7,8,1,2,4,8,5,7,2,4,1,6,0,3,1,8,6,4,0,3,2,7,5,0,7,2,1,8,5,3,4,6,4,3,5,7,6,2,8,1,0,6,1,4,8,5,0,7,3,2,5,0,8,3,2,7,4,6,1,7,2,3,6,1,4,0,5,8]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+4 _ _  _ 8 _  2 _ 5
+9 _ _  3 _ 2  _ 1 4
+
+_ _ 7  5 _ _  3 8 _
+1 _ _  _ _ _  _ _ _
+5 _ 6  _ 7 _  9 _ _
+
+_ _ 5  9 6 1  _ 4 3
+6 _ _  _ _ _  _ _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 5 2  1 4 7  6 9 8
+4 7 1  6 8 9  2 3 5
+9 6 8  3 5 2  7 1 4
+
+2 9 7  5 1 4  3 8 6
+1 8 3  2 9 6  4 5 7
+5 4 6  8 7 3  9 2 1
+
+7 2 5  9 6 1  8 4 3
+6 1 9  4 3 8  5 7 2
+8 3 4  7 2 5  1 6 9
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,4,0,null,null,null,null,3,null,null,null,null,8,4,null,null,null,null,2,null,3,null,7,null,null,null,null,null,6,2,null,null,8,0,null,null,null,8,null,null,null,null,null,6,null,7,3,null,5,null,null,2,null,3,null,null,null,null,null,4,1,null,null,null,null,null,null,null,null,null,2,8,0,7,null,null,null,null,null,null],"solution":[1,8,4,0,2,5,6,7,3,7,3,0,6,8,4,2,5,1,6,2,5,3,1,7,0,4,8,5,4,6,2,3,1,8,0,7,2,1,8,4,7,0,5,3,6,0,7,3,8,5,6,1,2,4,3,5,2,7,6,8,4,1,0,4,6,1,5,0,3,7,8,2,8,0,7,1,4,2,3,6,5]}
+PUZZLE:
+_ _ 5  1 _ _  _ _ 4
+_ _ _  _ 9 5  _ _ _
+_ 3 _  4 _ 8  _ _ _
+
+_ _ 7  3 _ _  9 1 _
+_ _ 9  _ _ _  _ _ 7
+_ 8 4  _ 6 _  _ 3 _
+
+4 _ _  _ _ _  5 2 _
+_ _ _  _ _ _  _ _ 3
+9 1 8  _ _ _  _ _ _
+
+SOLUTION:
+2 9 5  1 3 6  7 8 4
+8 4 1  7 9 5  3 6 2
+7 3 6  4 2 8  1 5 9
+
+6 5 7  3 4 2  9 1 8
+3 2 9  5 8 1  6 4 7
+1 8 4  9 6 7  2 3 5
+
+4 6 3  8 7 9  5 2 1
+5 7 2  6 1 4  8 9 3
+9 1 8  2 5 3  4 7 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,7,2,null,null,null,1,3,null,4,null,null,null,null,null,null,null,null,null,null,3,null,null,null,2,null,4,null,1,null,6,null,null,0,null,null,6,null,null,null,0,null,5,4,null,null,null,null,null,null,1,null,null,2,null,2,0,null,null,null,7,null,null,null,null,null,3,8,null,null,5,null,8,6,null,null,null,null,null,null,null],"solution":[5,7,2,8,4,0,1,3,6,4,0,6,1,2,3,8,7,5,1,8,3,7,5,6,2,0,4,2,1,4,6,3,5,0,8,7,6,3,7,2,0,8,5,4,1,0,5,8,4,7,1,3,6,2,3,2,0,5,6,4,7,1,8,7,4,1,3,8,2,6,5,0,8,6,5,0,1,7,4,2,3]}
+PUZZLE:
+_ 8 3  _ _ _  2 4 _
+5 _ _  _ _ _  _ _ _
+_ _ 4  _ _ _  3 _ 5
+
+_ 2 _  7 _ _  1 _ _
+7 _ _  _ 1 _  6 5 _
+_ _ _  _ _ 2  _ _ 3
+
+_ 3 1  _ _ _  8 _ _
+_ _ _  4 9 _  _ 6 _
+9 7 _  _ _ _  _ _ _
+
+SOLUTION:
+6 8 3  9 5 1  2 4 7
+5 1 7  2 3 4  9 8 6
+2 9 4  8 6 7  3 1 5
+
+3 2 5  7 4 6  1 9 8
+7 4 8  3 1 9  6 5 2
+1 6 9  5 8 2  4 7 3
+
+4 3 1  6 7 5  8 2 9
+8 5 2  4 9 3  7 6 1
+9 7 6  1 2 8  5 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,null,null,null,null,null,null,2,8,4,null,null,null,null,null,null,3,null,null,7,null,null,8,null,6,null,null,null,0,null,null,6,null,null,null,1,2,null,null,null,3,0,null,null,null,null,null,null,null,null,7,null,null,4,5,null,3,null,null,null,null,null,null,0,null,1,null,null,3,null,null,null,null,null,null,4,null,null,8,null],"solution":[3,6,5,4,0,1,8,7,2,8,4,2,7,6,5,1,0,3,0,1,7,2,3,8,4,6,5,7,8,0,5,1,6,2,3,4,1,2,4,8,7,3,0,5,6,5,3,6,0,2,4,7,1,8,4,5,1,3,8,7,6,2,0,6,0,8,1,5,2,3,4,7,2,7,3,6,4,0,5,8,1]}
+PUZZLE:
+4 _ _  _ _ _  _ _ 3
+9 5 _  _ _ _  _ _ 4
+_ _ 8  _ _ 9  _ 7 _
+
+_ _ 1  _ _ 7  _ _ _
+2 3 _  _ _ 4  1 _ _
+_ _ _  _ _ _  8 _ _
+
+5 6 _  4 _ _  _ _ _
+_ 1 _  2 _ _  4 _ _
+_ _ _  _ 5 _  _ 9 _
+
+SOLUTION:
+4 7 6  5 1 2  9 8 3
+9 5 3  8 7 6  2 1 4
+1 2 8  3 4 9  5 7 6
+
+8 9 1  6 2 7  3 4 5
+2 3 5  9 8 4  1 6 7
+6 4 7  1 3 5  8 2 9
+
+5 6 2  4 9 8  7 3 1
+7 1 9  2 6 3  4 5 8
+3 8 4  7 5 1  6 9 2
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,3,1,null,7,null,null,null,null,null,null,null,null,3,7,null,null,null,null,null,null,0,null,4,null,5,null,null,null,null,null,1,null,0,null,5,null,null,null,6,0,null,null,2,7,null,null,5,null,null,null,null,null,null,null,2,null,null,null,null,null,1,null,3,null,null,null,2,null,null,null,null,1,6,null,null,null,8,null,null],"solution":[6,4,3,1,5,7,2,8,0,2,0,5,4,8,3,7,1,6,1,7,8,2,0,6,4,3,5,3,6,4,8,2,1,5,0,7,5,8,1,7,6,0,3,4,2,7,2,0,5,3,4,1,6,8,0,5,2,3,4,8,6,7,1,8,3,7,6,1,2,0,5,4,4,1,6,0,7,5,8,2,3]}
+PUZZLE:
+_ _ 4  2 _ 8  _ _ _
+_ _ _  _ _ 4  8 _ _
+_ _ _  _ 1 _  5 _ 6
+
+_ _ _  _ _ 2  _ 1 _
+6 _ _  _ 7 1  _ _ 3
+8 _ _  6 _ _  _ _ _
+
+_ _ 3  _ _ _  _ _ 2
+_ 4 _  _ _ 3  _ _ _
+_ 2 7  _ _ _  9 _ _
+
+SOLUTION:
+7 5 4  2 6 8  3 9 1
+3 1 6  5 9 4  8 2 7
+2 8 9  3 1 7  5 4 6
+
+4 7 5  9 3 2  6 1 8
+6 9 2  8 7 1  4 5 3
+8 3 1  6 4 5  2 7 9
+
+1 6 3  4 5 9  7 8 2
+9 4 8  7 2 3  1 6 5
+5 2 7  1 8 6  9 3 4
+
+RATING: 1
+DATA:
+{"puzzle":[3,null,8,null,null,null,null,null,null,null,null,null,3,4,null,7,null,8,null,4,null,null,null,null,null,null,null,null,6,null,1,null,null,3,8,null,null,null,null,null,7,5,null,null,null,null,null,4,null,8,null,null,6,1,0,5,3,null,null,null,2,null,null,null,null,null,null,null,null,null,null,6,null,8,null,null,null,0,null,null,null],"solution":[3,7,8,0,1,2,6,4,5,5,2,0,3,4,6,7,1,8,1,4,6,7,5,8,0,3,2,2,6,5,1,0,4,3,8,7,8,3,1,6,7,5,4,2,0,7,0,4,2,8,3,5,6,1,0,5,3,8,6,1,2,7,4,4,1,2,5,3,7,8,0,6,6,8,7,4,2,0,1,5,3]}
+PUZZLE:
+4 _ 9  _ _ _  _ _ _
+_ _ _  4 5 _  8 _ 9
+_ 5 _  _ _ _  _ _ _
+
+_ 7 _  2 _ _  4 9 _
+_ _ _  _ 8 6  _ _ _
+_ _ 5  _ 9 _  _ 7 2
+
+1 6 4  _ _ _  3 _ _
+_ _ _  _ _ _  _ _ 7
+_ 9 _  _ _ 1  _ _ _
+
+SOLUTION:
+4 8 9  1 2 3  7 5 6
+6 3 1  4 5 7  8 2 9
+2 5 7  8 6 9  1 4 3
+
+3 7 6  2 1 5  4 9 8
+9 4 2  7 8 6  5 3 1
+8 1 5  3 9 4  6 7 2
+
+1 6 4  9 7 2  3 8 5
+5 2 3  6 4 8  9 1 7
+7 9 8  5 3 1  2 6 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,3,null,4,null,null,0,6,7,0,5,null,null,1,null,null,1,3,null,null,null,null,null,null,null,null,2,null,6,null,null,null,null,null,null,null,5,null,null,null,3,0,null,3,null,null,null,null,null,4,null,7,null,null,null,4,null,null,null,null,null,null,null,null,null,null,0,null,2,null,8,0,null,null,null,null,null,5,null],"solution":[2,5,8,3,1,4,6,7,0,6,7,0,5,8,2,1,4,3,1,3,4,0,6,7,2,8,5,0,2,7,6,4,3,5,1,8,4,6,5,8,7,1,3,0,2,3,8,1,2,0,5,4,6,7,7,1,2,4,5,8,0,3,6,5,4,6,7,3,0,8,2,1,8,0,3,1,2,6,7,5,4]}
+PUZZLE:
+_ _ _  4 _ 5  _ _ 1
+7 8 1  6 _ _  2 _ _
+2 4 _  _ _ _  _ _ _
+
+_ 3 _  7 _ _  _ _ _
+_ _ 6  _ _ _  4 1 _
+4 _ _  _ _ _  5 _ 8
+
+_ _ _  5 _ _  _ _ _
+_ _ _  _ _ 1  _ 3 _
+9 1 _  _ _ _  _ 6 _
+
+SOLUTION:
+3 6 9  4 2 5  7 8 1
+7 8 1  6 9 3  2 5 4
+2 4 5  1 7 8  3 9 6
+
+1 3 8  7 5 4  6 2 9
+5 7 6  9 8 2  4 1 3
+4 9 2  3 1 6  5 7 8
+
+8 2 3  5 6 9  1 4 7
+6 5 7  8 4 1  9 3 2
+9 1 4  2 3 7  8 6 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,8,null,1,7,null,3,null,null,null,0,null,null,null,null,null,6,7,null,null,2,5,null,null,null,null,null,null,1,null,4,null,null,5,7,null,null,null,null,null,null,null,null,null,null,8,null,null,null,3,null,null,null,4,null,null,5,null,0,null,null,5,null,null,4,null,null,null,null,8,null,3,2,null,null,8,null,null,1],"solution":[2,0,5,8,6,1,7,4,3,1,8,3,0,4,7,5,2,6,6,7,4,3,2,5,1,8,0,3,2,0,1,8,4,6,7,5,7,1,6,5,3,2,8,0,4,4,5,8,7,0,6,3,1,2,8,4,1,2,5,3,0,6,7,5,6,7,4,1,0,2,3,8,0,3,2,6,7,8,4,5,1]}
+PUZZLE:
+_ _ _  9 _ 2  8 _ 4
+_ _ _  1 _ _  _ _ _
+7 8 _  _ 3 6  _ _ _
+
+_ _ _  2 _ 5  _ _ 6
+8 _ _  _ _ _  _ _ _
+_ _ 9  _ _ _  4 _ _
+
+_ 5 _  _ 6 _  1 _ _
+6 _ _  5 _ _  _ _ 9
+_ 4 3  _ _ 9  _ _ 2
+
+SOLUTION:
+3 1 6  9 7 2  8 5 4
+2 9 4  1 5 8  6 3 7
+7 8 5  4 3 6  2 9 1
+
+4 3 1  2 9 5  7 8 6
+8 2 7  6 4 3  9 1 5
+5 6 9  8 1 7  4 2 3
+
+9 5 2  3 6 4  1 7 8
+6 7 8  5 2 1  3 4 9
+1 4 3  7 8 9  5 6 2
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,null,1,6,null,null,4,null,null,null,null,null,4,null,null,7,null,null,null,6,null,0,null,null,null,null,null,7,null,8,null,null,null,0,3,null,null,null,6,7,null,null,8,null,null,null,2,null,null,null,null,5,null,2,3,7,0,null,null,8,1,null,0,null,null,null,null,null,null,null,2,null,8,1,null,null,null,null,null,null],"solution":[3,2,8,1,6,7,0,4,5,1,5,0,2,4,8,3,7,6,7,4,6,5,0,3,1,2,8,6,7,5,8,1,2,4,0,3,4,0,3,6,7,5,2,8,1,8,1,2,4,3,0,6,5,7,2,3,7,0,5,6,8,1,4,0,6,4,7,8,1,5,3,2,5,8,1,3,2,4,7,6,0]}
+PUZZLE:
+4 _ _  2 7 _  _ 5 _
+_ _ _  _ 5 _  _ 8 _
+_ _ 7  _ 1 _  _ _ _
+
+_ 8 _  9 _ _  _ 1 4
+_ _ _  7 8 _  _ 9 _
+_ _ 3  _ _ _  _ 6 _
+
+3 4 8  1 _ _  9 2 _
+1 _ _  _ _ _  _ _ 3
+_ 9 2  _ _ _  _ _ _
+
+SOLUTION:
+4 3 9  2 7 8  1 5 6
+2 6 1  3 5 9  4 8 7
+8 5 7  6 1 4  2 3 9
+
+7 8 6  9 2 3  5 1 4
+5 1 4  7 8 6  3 9 2
+9 2 3  5 4 1  7 6 8
+
+3 4 8  1 6 7  9 2 5
+1 7 5  8 9 2  6 4 3
+6 9 2  4 3 5  8 7 1
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,3,null,null,1,4,8,2,null,2,null,3,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,0,null,6,null,null,null,null,5,0,null,null,4,2,null,null,null,7,null,null,4,null,8,3,null,null,null,null,null,null,3,5,null,null,1,null,null,null,null,null,null,null,6],"solution":[7,6,3,5,0,1,4,8,2,4,2,5,3,6,8,1,0,7,8,0,1,4,2,7,6,5,3,6,4,8,2,3,5,0,7,1,2,1,7,0,8,6,3,4,5,3,5,0,7,1,4,2,6,8,5,7,6,1,4,2,8,3,0,0,8,2,6,7,3,5,1,4,1,3,4,8,5,0,7,2,6]}
+PUZZLE:
+_ _ 4  _ _ 2  5 9 3
+_ 3 _  4 _ _  _ _ _
+_ 1 _  _ _ _  _ _ _
+
+_ _ _  _ _ _  _ _ 2
+_ _ _  1 _ 7  _ _ _
+_ 6 1  _ _ 5  3 _ _
+
+_ 8 _  _ 5 _  9 4 _
+_ _ _  _ _ 4  6 _ _
+2 _ _  _ _ _  _ _ 7
+
+SOLUTION:
+8 7 4  6 1 2  5 9 3
+5 3 6  4 7 9  2 1 8
+9 1 2  5 3 8  7 6 4
+
+7 5 9  3 4 6  1 8 2
+3 2 8  1 9 7  4 5 6
+4 6 1  8 2 5  3 7 9
+
+6 8 7  2 5 3  9 4 1
+1 9 3  7 8 4  6 2 5
+2 4 5  9 6 1  8 3 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,8,null,null,6,null,8,7,null,1,null,3,null,0,5,null,null,null,2,null,null,null,null,3,null,null,3,4,null,null,1,null,null,null,1,7,null,null,null,null,2,4,null,null,null,null,7,null,0,null,null,null,8,null,null,null,null,null,null,null,null,3,1,null,4,null,null,8,null,6,null,null,null,null,null,null,5,null],"solution":[3,5,2,0,8,4,7,6,1,8,7,4,1,6,3,2,0,5,1,0,6,2,5,7,8,4,3,5,6,3,4,2,0,1,7,8,0,1,7,6,3,8,5,2,4,4,2,8,5,7,1,0,3,6,7,8,5,3,0,6,4,1,2,2,3,1,7,4,5,6,8,0,6,4,0,8,1,2,3,5,7]}
+PUZZLE:
+_ _ _  _ 9 _  _ 7 _
+9 8 _  2 _ 4  _ 1 6
+_ _ _  3 _ _  _ _ 4
+
+_ _ 4  5 _ _  2 _ _
+_ 2 8  _ _ _  _ 3 5
+_ _ _  _ 8 _  1 _ _
+
+_ 9 _  _ _ _  _ _ _
+_ 4 2  _ 5 _  _ 9 _
+7 _ _  _ _ _  _ 6 _
+
+SOLUTION:
+4 6 3  1 9 5  8 7 2
+9 8 5  2 7 4  3 1 6
+2 1 7  3 6 8  9 5 4
+
+6 7 4  5 3 1  2 8 9
+1 2 8  7 4 9  6 3 5
+5 3 9  6 8 2  1 4 7
+
+8 9 6  4 1 7  5 2 3
+3 4 2  8 5 6  7 9 1
+7 5 1  9 2 3  4 6 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,0,null,null,3,3,2,5,null,null,4,null,null,null,6,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,2,null,null,6,null,null,0,null,4,null,null,null,null,7,1,null,null,0,null,null,null,2,null,null,null,1,null,null,null,null,null,8,4,null,null,8,3,4,null,null,0,null,null],"solution":[8,7,4,5,1,0,2,6,3,3,2,5,6,8,4,1,0,7,6,1,0,7,2,3,4,5,8,5,6,1,0,7,8,3,2,4,7,3,2,1,4,6,5,8,0,0,4,8,2,3,5,7,1,6,4,0,7,8,5,2,6,3,1,1,5,6,3,0,7,8,4,2,2,8,3,4,6,1,0,7,5]}
+PUZZLE:
+_ _ _  _ _ 1  _ _ 4
+4 3 6  _ _ 5  _ _ _
+7 _ _  8 _ _  _ _ _
+
+_ _ _  _ _ _  _ 3 _
+_ _ 3  _ _ 7  _ _ 1
+_ 5 _  _ _ _  8 2 _
+
+_ 1 _  _ _ 3  _ _ _
+2 _ _  _ _ _  9 5 _
+_ 9 4  5 _ _  1 _ _
+
+SOLUTION:
+9 8 5  6 2 1  3 7 4
+4 3 6  7 9 5  2 1 8
+7 2 1  8 3 4  5 6 9
+
+6 7 2  1 8 9  4 3 5
+8 4 3  2 5 7  6 9 1
+1 5 9  3 4 6  8 2 7
+
+5 1 8  9 6 3  7 4 2
+2 6 7  4 1 8  9 5 3
+3 9 4  5 7 2  1 8 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[4,null,null,null,null,null,null,null,null,1,null,2,null,null,null,6,4,null,null,5,null,null,null,1,2,null,3,null,null,7,null,null,6,null,null,null,3,8,null,null,4,null,null,5,null,null,null,null,null,8,null,null,null,null,null,null,1,null,7,null,null,3,2,6,3,null,null,null,2,5,7,null,null,null,null,null,null,null,null,null,null],"solution":[4,6,3,0,2,8,7,1,5,1,0,2,7,5,3,6,4,8,7,5,8,4,6,1,2,0,3,5,2,7,1,3,6,4,8,0,3,8,6,2,4,0,1,5,7,0,1,4,5,8,7,3,2,6,8,4,1,6,7,5,0,3,2,6,3,0,8,1,2,5,7,4,2,7,5,3,0,4,8,6,1]}
+PUZZLE:
+5 _ _  _ _ _  _ _ _
+2 _ 3  _ _ _  7 5 _
+_ 6 _  _ _ 2  3 _ 4
+
+_ _ 8  _ _ 7  _ _ _
+4 9 _  _ 5 _  _ 6 _
+_ _ _  _ 9 _  _ _ _
+
+_ _ 2  _ 8 _  _ 4 3
+7 4 _  _ _ 3  6 8 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+5 7 4  1 3 9  8 2 6
+2 1 3  8 6 4  7 5 9
+8 6 9  5 7 2  3 1 4
+
+6 3 8  2 4 7  5 9 1
+4 9 7  3 5 1  2 6 8
+1 2 5  6 9 8  4 3 7
+
+9 5 2  7 8 6  1 4 3
+7 4 1  9 2 3  6 8 5
+3 8 6  4 1 5  9 7 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,null,8,null,null,null,5,null,null,0,null,5,null,3,7,null,null,null,2,null,7,null,null,8,null,null,0,null,6,null,5,null,null,2,null,null,null,2,null,null,4,null,6,6,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,7,3,null,null,null,null,null,4,null,null,null,null,null,null,null,null],"solution":[7,3,1,0,8,6,2,4,5,8,6,0,4,5,2,3,7,1,5,4,2,1,7,3,6,8,0,3,0,8,6,4,5,7,1,2,1,7,5,2,3,8,4,0,6,6,2,4,7,1,0,5,3,8,2,1,3,8,6,4,0,5,7,0,5,7,3,2,1,8,6,4,4,8,6,5,0,7,1,2,3]}
+PUZZLE:
+_ 4 _  _ 9 _  _ _ 6
+_ _ 1  _ 6 _  4 8 _
+_ _ 3  _ 8 _  _ 9 _
+
+_ 1 _  7 _ 6  _ _ 3
+_ _ _  3 _ _  5 _ 7
+7 _ _  _ 2 _  _ _ _
+
+_ _ _  _ _ _  _ 6 _
+_ _ 8  4 _ _  _ _ _
+5 _ _  _ _ _  _ _ _
+
+SOLUTION:
+8 4 2  1 9 7  3 5 6
+9 7 1  5 6 3  4 8 2
+6 5 3  2 8 4  7 9 1
+
+4 1 9  7 5 6  8 2 3
+2 8 6  3 4 9  5 1 7
+7 3 5  8 2 1  6 4 9
+
+3 2 4  9 7 5  1 6 8
+1 6 8  4 3 2  9 7 5
+5 9 7  6 1 8  2 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,7,4,null,null,null,3,null,null,3,null,null,2,null,null,6,6,null,null,null,null,null,8,null,null,1,null,6,3,null,0,7,null,null,null,4,null,null,null,null,null,1,null,null,null,8,2,null,null,null,null,null,null,null,null,null,null,7,5,6,null,null,1,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null],"solution":[8,5,1,7,4,6,0,2,3,4,0,3,5,8,2,1,7,6,6,7,2,1,0,3,8,4,5,1,2,6,3,5,0,7,8,4,5,4,0,6,7,8,3,1,2,7,3,8,2,1,4,6,5,0,2,8,4,0,3,7,5,6,1,0,1,7,4,6,5,2,3,8,3,6,5,8,2,1,4,0,7]}
+PUZZLE:
+_ 6 _  8 5 _  _ _ 4
+_ _ 4  _ _ 3  _ _ 7
+7 _ _  _ _ _  9 _ _
+
+2 _ 7  4 _ 1  8 _ _
+_ 5 _  _ _ _  _ 2 _
+_ _ 9  3 _ _  _ _ _
+
+_ _ _  _ _ 8  6 7 _
+_ 2 _  _ _ _  _ _ _
+4 _ _  _ _ _  _ _ _
+
+SOLUTION:
+9 6 2  8 5 7  1 3 4
+5 1 4  6 9 3  2 8 7
+7 8 3  2 1 4  9 5 6
+
+2 3 7  4 6 1  8 9 5
+6 5 1  7 8 9  4 2 3
+8 4 9  3 2 5  7 6 1
+
+3 9 5  1 4 8  6 7 2
+1 2 8  5 7 6  3 4 9
+4 7 6  9 3 2  5 1 8
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,7,null,null,5,1,null,null,5,null,null,1,null,3,null,null,6,null,null,3,null,8,null,null,null,8,null,null,null,2,null,null,4,null,null,null,0,null,5,null,null,null,null,null,null,null,1,8,2,null,null,null,3,7,null,null,4,null,null,5,null,null,null,null,null,null,null,6,null,null,5,null,null,null,null,null,null,7],"solution":[4,2,3,8,7,6,0,5,1,8,0,5,4,2,1,7,3,6,7,6,1,5,3,0,8,4,2,3,8,0,7,6,2,5,1,4,1,7,2,0,4,5,6,8,3,5,4,6,3,1,8,2,7,0,2,3,7,6,8,4,1,0,5,0,1,4,2,5,7,3,6,8,6,5,8,1,0,3,4,2,7]}
+PUZZLE:
+5 _ _  _ 8 _  _ 6 2
+_ _ 6  _ _ 2  _ 4 _
+_ 7 _  _ 4 _  9 _ _
+
+_ 9 _  _ _ 3  _ _ 5
+_ _ _  1 _ 6  _ _ _
+_ _ _  _ 2 9  3 _ _
+
+_ 4 8  _ _ 5  _ _ 6
+_ _ _  _ _ _  _ 7 _
+_ 6 _  _ _ _  _ _ 8
+
+SOLUTION:
+5 3 4  9 8 7  1 6 2
+9 1 6  5 3 2  8 4 7
+8 7 2  6 4 1  9 5 3
+
+4 9 1  8 7 3  6 2 5
+2 8 3  1 5 6  7 9 4
+6 5 7  4 2 9  3 8 1
+
+3 4 8  7 9 5  2 1 6
+1 2 5  3 6 8  4 7 9
+7 6 9  2 1 4  5 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,4,5,null,8,null,null,2,null,null,null,null,null,null,null,null,null,null,8,null,0,7,5,null,null,4,null,null,1,null,3,7,null,null,null,null,null,null,7,null,null,5,3,null,1,null,null,null,null,null,0,null,null,null,0,5,3,null,null,null,null,8,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null],"solution":[7,0,6,1,4,5,2,8,3,8,2,5,7,3,6,1,0,4,1,3,4,8,2,0,7,5,6,5,4,0,6,1,2,3,7,8,2,6,8,3,0,7,4,1,5,3,7,1,5,8,4,6,2,0,6,1,2,0,5,3,8,4,7,0,8,3,4,7,1,5,6,2,4,5,7,2,6,8,0,3,1]}
+PUZZLE:
+_ _ _  _ 5 6  _ 9 _
+_ 3 _  _ _ _  _ _ _
+_ _ _  9 _ 1  8 6 _
+
+_ 5 _  _ 2 _  4 8 _
+_ _ _  _ _ 8  _ _ 6
+4 _ 2  _ _ _  _ _ 1
+
+_ _ _  1 6 4  _ _ _
+_ 9 _  _ _ _  _ 7 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+8 1 7  2 5 6  3 9 4
+9 3 6  8 4 7  2 1 5
+2 4 5  9 3 1  8 6 7
+
+6 5 1  7 2 3  4 8 9
+3 7 9  4 1 8  5 2 6
+4 8 2  6 9 5  7 3 1
+
+7 2 3  1 6 4  9 5 8
+1 9 4  5 8 2  6 7 3
+5 6 8  3 7 9  1 4 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,7,null,null,5,null,3,1,null,null,null,8,3,null,null,null,0,null,null,null,null,null,null,null,null,null,7,null,3,null,null,null,null,7,null,0,1,null,4,null,null,null,null,3,null,2,0,null,null,null,null,4,null,null,null,6,null,null,null,null,5,null,null,8,null,null,0,null,null,null,null,null,null,null,1,null,2,null,null,null,4],"solution":[0,7,6,8,5,4,3,1,2,4,2,8,3,1,7,6,0,5,5,1,3,2,0,6,8,4,7,6,3,5,1,4,2,7,8,0,1,8,4,5,7,0,2,3,6,2,0,7,6,8,3,4,5,1,7,6,0,4,3,1,5,2,8,8,4,2,0,6,5,1,7,3,3,5,1,7,2,8,0,6,4]}
+PUZZLE:
+_ 8 _  _ 6 _  4 2 _
+_ _ 9  4 _ _  _ 1 _
+_ _ _  _ _ _  _ _ 8
+
+_ 4 _  _ _ _  8 _ 1
+2 _ 5  _ _ _  _ 4 _
+3 1 _  _ _ _  5 _ _
+
+_ 7 _  _ _ _  6 _ _
+9 _ _  1 _ _  _ _ _
+_ _ 2  _ 3 _  _ _ 5
+
+SOLUTION:
+1 8 7  9 6 5  4 2 3
+5 3 9  4 2 8  7 1 6
+6 2 4  3 1 7  9 5 8
+
+7 4 6  2 5 3  8 9 1
+2 9 5  6 8 1  3 4 7
+3 1 8  7 9 4  5 6 2
+
+8 7 1  5 4 2  6 3 9
+9 5 3  1 7 6  2 8 4
+4 6 2  8 3 9  1 7 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,8,null,null,null,null,5,null,1,null,null,null,7,8,null,2,null,null,null,null,null,null,null,null,null,5,4,null,null,null,6,null,3,null,null,null,null,6,null,null,null,1,null,null,null,null,null,null,2,null,null,8,null,null,null,null,1,null,null,null,7,null,null,null,null,null,3,5,0,3,null,null,5,null,null,null,6,null],"solution":[4,7,3,6,8,0,5,1,2,5,0,1,4,2,3,7,8,6,2,8,6,1,5,7,0,3,4,1,5,4,2,0,8,6,7,3,0,2,7,3,6,5,8,4,1,6,3,8,7,1,4,2,0,5,8,6,5,0,3,1,4,2,7,7,1,2,8,4,6,3,5,0,3,4,0,5,7,2,1,6,8]}
+PUZZLE:
+_ _ 4  _ 9 _  _ _ _
+6 _ 2  _ _ _  8 9 _
+3 _ _  _ _ _  _ _ _
+
+_ 6 5  _ _ _  7 _ 4
+_ _ _  _ 7 _  _ _ 2
+_ _ _  _ _ _  3 _ _
+
+9 _ _  _ _ 2  _ _ _
+8 _ _  _ _ _  4 6 1
+4 _ _  6 _ _  _ 7 _
+
+SOLUTION:
+5 8 4  7 9 1  6 2 3
+6 1 2  5 3 4  8 9 7
+3 9 7  2 6 8  1 4 5
+
+2 6 5  3 1 9  7 8 4
+1 3 8  4 7 6  9 5 2
+7 4 9  8 2 5  3 1 6
+
+9 7 6  1 4 2  5 3 8
+8 2 3  9 5 7  4 6 1
+4 5 1  6 8 3  2 7 9
+
+RATING: 0
+DATA:
+{"puzzle":[7,null,4,null,null,null,null,2,null,8,null,null,1,null,6,null,null,5,2,null,null,7,null,null,8,null,null,1,null,2,null,null,3,null,null,null,null,8,6,0,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,3,null,4,null,6,8,null,3,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,0],"solution":[7,1,4,5,3,8,0,2,6,8,0,3,1,2,6,7,4,5,2,6,5,7,4,0,8,1,3,1,7,2,6,8,3,5,0,4,4,8,6,0,5,2,3,7,1,3,5,0,4,1,7,6,8,2,5,2,7,3,0,4,1,6,8,0,3,8,2,6,1,4,5,7,6,4,1,8,7,5,2,3,0]}
+PUZZLE:
+8 _ 5  _ _ _  _ 3 _
+9 _ _  2 _ 7  _ _ 6
+3 _ _  8 _ _  9 _ _
+
+2 _ 3  _ _ 4  _ _ _
+_ 9 7  1 _ _  _ _ _
+_ _ _  _ _ 8  _ _ _
+
+_ _ _  4 _ 5  _ 7 9
+_ 4 _  _ _ _  _ _ _
+_ _ _  9 _ _  _ _ 1
+
+SOLUTION:
+8 2 5  6 4 9  1 3 7
+9 1 4  2 3 7  8 5 6
+3 7 6  8 5 1  9 2 4
+
+2 8 3  7 9 4  6 1 5
+5 9 7  1 6 3  4 8 2
+4 6 1  5 2 8  7 9 3
+
+6 3 8  4 1 5  2 7 9
+1 4 9  3 7 2  5 6 8
+7 5 2  9 8 6  3 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[6,8,null,null,null,null,null,null,null,null,1,null,null,null,null,null,null,4,null,null,null,null,4,null,5,7,null,null,null,8,3,null,1,null,null,0,null,null,null,null,null,8,null,null,null,null,null,null,null,null,7,3,null,2,null,null,null,null,null,null,0,null,null,4,6,null,1,null,null,null,null,null,0,3,null,null,5,null,null,null,null],"solution":[6,8,4,7,1,5,2,0,3,7,1,5,0,3,2,8,6,4,3,2,0,8,4,6,5,7,1,2,7,8,3,6,1,4,5,0,5,0,3,4,2,8,6,1,7,1,4,6,5,0,7,3,8,2,8,5,1,2,7,3,0,4,6,4,6,2,1,8,0,7,3,5,0,3,7,6,5,4,1,2,8]}
+PUZZLE:
+7 9 _  _ _ _  _ _ _
+_ 2 _  _ _ _  _ _ 5
+_ _ _  _ 5 _  6 8 _
+
+_ _ 9  4 _ 2  _ _ 1
+_ _ _  _ _ 9  _ _ _
+_ _ _  _ _ 8  4 _ 3
+
+_ _ _  _ _ _  1 _ _
+5 7 _  2 _ _  _ _ _
+1 4 _  _ 6 _  _ _ _
+
+SOLUTION:
+7 9 5  8 2 6  3 1 4
+8 2 6  1 4 3  9 7 5
+4 3 1  9 5 7  6 8 2
+
+3 8 9  4 7 2  5 6 1
+6 1 4  5 3 9  7 2 8
+2 5 7  6 1 8  4 9 3
+
+9 6 2  3 8 4  1 5 7
+5 7 3  2 9 1  8 4 6
+1 4 8  7 6 5  2 3 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,null,null,1,null,5,null,null,5,null,null,null,null,3,null,7,8,null,null,null,null,7,0,null,null,null,null,null,null,null,null,5,0,null,null,null,null,null,2,8,null,null,null,null,7,null,null,4,null,null,null,null,3,4,null,null,null,6,null,1,null,null,null,0,null,8,5,null,null,null,6,null,null,1,null,2,null,null,null],"solution":[2,0,7,3,6,1,4,5,8,1,5,6,8,0,4,3,2,7,8,3,4,2,5,7,0,6,1,4,2,8,7,1,3,5,0,6,0,6,3,5,2,8,1,7,4,5,7,1,6,4,0,2,8,3,3,4,2,0,7,6,8,1,5,7,1,0,4,8,5,6,3,2,6,8,5,1,3,2,7,4,0]}
+PUZZLE:
+_ 1 _  _ _ 2  _ 6 _
+_ 6 _  _ _ _  4 _ 8
+9 _ _  _ _ 8  1 _ _
+
+_ _ _  _ _ _  6 1 _
+_ _ _  _ 3 9  _ _ _
+_ 8 _  _ 5 _  _ _ _
+
+4 5 _  _ _ 7  _ 2 _
+_ _ 1  _ 9 6  _ _ _
+7 _ _  2 _ 3  _ _ _
+
+SOLUTION:
+3 1 8  4 7 2  5 6 9
+2 6 7  9 1 5  4 3 8
+9 4 5  3 6 8  1 7 2
+
+5 3 9  8 2 4  6 1 7
+1 7 4  6 3 9  2 8 5
+6 8 2  7 5 1  3 9 4
+
+4 5 3  1 8 7  9 2 6
+8 2 1  5 9 6  7 4 3
+7 9 6  2 4 3  8 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,null,null,2,null,null,null,null,2,5,null,null,null,6,null,null,0,3,null,null,null,null,null,null,8,7,null,null,null,null,1,null,6,5,null,null,null,3,2,0,null,null,null,null,null,null,null,5,6,null,null,null,4,null,null,null,null,null,null,null,null,null,1,null,8,null,null,null,0,3,null,null,null,null,6,null,null,7,4],"solution":[8,6,7,5,3,2,4,1,0,1,2,5,0,4,8,6,3,7,0,3,4,6,1,7,2,5,8,7,0,2,4,8,1,3,6,5,6,5,8,3,2,0,7,4,1,3,4,1,7,5,6,0,8,2,4,7,3,1,0,5,8,2,6,2,1,6,8,7,4,5,0,3,5,8,0,2,6,3,1,7,4]}
+PUZZLE:
+9 _ _  _ _ 3  _ _ _
+_ 3 6  _ _ _  7 _ _
+1 4 _  _ _ _  _ _ 9
+
+8 _ _  _ _ 2  _ 7 6
+_ _ _  4 3 1  _ _ _
+_ _ _  _ 6 7  _ _ _
+
+5 _ _  _ _ _  _ _ _
+_ 2 _  9 _ _  _ 1 4
+_ _ _  _ 7 _  _ 8 5
+
+SOLUTION:
+9 7 8  6 4 3  5 2 1
+2 3 6  1 5 9  7 4 8
+1 4 5  7 2 8  3 6 9
+
+8 1 3  5 9 2  4 7 6
+7 6 9  4 3 1  8 5 2
+4 5 2  8 6 7  1 9 3
+
+5 8 4  2 1 6  9 3 7
+3 2 7  9 8 5  6 1 4
+6 9 1  3 7 4  2 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,null,null,7,null,null,null,null,2,null,7,0,null,null,6,null,null,null,3,null,null,null,0,null,null,8,null,null,null,5,2,null,null,null,7,5,1,2,null,null,null,null,2,null,null,8,null,null,null,null,null,null,null,7,null,null,4,3,2,null,8,null,null,0,null,null,null,6,null,null,null,null,null,3,null,4,null,null],"solution":[0,6,3,2,8,1,7,4,5,4,1,2,5,7,0,8,3,6,7,5,8,3,4,6,1,0,2,3,8,0,4,6,5,2,7,1,6,7,5,1,2,3,0,8,4,2,4,1,8,0,7,6,5,3,1,0,7,6,5,4,3,2,8,8,3,4,0,1,2,5,6,7,5,2,6,7,3,8,4,1,0]}
+PUZZLE:
+_ _ 4  _ _ _  8 _ _
+_ _ 3  _ 8 1  _ _ 7
+_ _ _  4 _ _  _ 1 _
+
+_ 9 _  _ _ 6  3 _ _
+_ 8 6  2 3 _  _ _ _
+3 _ _  9 _ _  _ _ _
+
+_ _ 8  _ _ 5  4 3 _
+9 _ _  1 _ _  _ 7 _
+_ _ _  _ 4 _  5 _ _
+
+SOLUTION:
+1 7 4  3 9 2  8 5 6
+5 2 3  6 8 1  9 4 7
+8 6 9  4 5 7  2 1 3
+
+4 9 1  5 7 6  3 8 2
+7 8 6  2 3 4  1 9 5
+3 5 2  9 1 8  7 6 4
+
+2 1 8  7 6 5  4 3 9
+9 4 5  1 2 3  6 7 8
+6 3 7  8 4 9  5 2 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[6,null,null,8,null,null,null,null,7,null,null,0,null,null,5,3,null,null,8,null,null,3,null,null,null,4,0,null,5,null,null,null,null,8,null,null,1,null,null,null,null,8,null,0,null,null,null,6,null,null,null,null,null,3,null,null,3,null,null,6,null,7,null,null,null,null,1,8,null,null,null,4,null,null,null,2,null,null,null,5,null],"solution":[6,3,1,8,0,4,5,2,7,2,4,0,7,6,5,3,8,1,8,7,5,3,2,1,6,4,0,3,5,7,4,1,0,8,6,2,1,2,4,6,3,8,7,0,5,0,8,6,5,7,2,4,1,3,4,1,3,0,5,6,2,7,8,5,6,2,1,8,7,0,3,4,7,0,8,2,4,3,1,5,6]}
+PUZZLE:
+7 _ _  9 _ _  _ _ 8
+_ _ 1  _ _ 6  4 _ _
+9 _ _  4 _ _  _ 5 1
+
+_ 6 _  _ _ _  9 _ _
+2 _ _  _ _ 9  _ 1 _
+_ _ 7  _ _ _  _ _ 4
+
+_ _ 4  _ _ 7  _ 8 _
+_ _ _  2 9 _  _ _ 5
+_ _ _  3 _ _  _ 6 _
+
+SOLUTION:
+7 4 2  9 1 5  6 3 8
+3 5 1  8 7 6  4 9 2
+9 8 6  4 3 2  7 5 1
+
+4 6 8  5 2 1  9 7 3
+2 3 5  7 4 9  8 1 6
+1 9 7  6 8 3  5 2 4
+
+5 2 4  1 6 7  3 8 9
+6 7 3  2 9 8  1 4 5
+8 1 9  3 5 4  2 6 7
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,2,null,null,null,3,null,null,null,8,null,6,5,null,null,null,null,null,null,null,null,null,7,1,6,null,null,null,null,3,2,6,null,null,null,8,null,null,null,0,3,null,null,7,null,null,null,null,null,null,null,null,null,null,7,null,null,null,2,null,4,null,null,6,5,null,null,null,null,3,null,1,0,null,null,null,null,null,5,null,null],"solution":[1,2,7,6,0,3,8,5,4,8,0,6,5,4,2,7,1,3,3,4,5,8,7,1,6,0,2,5,1,3,2,6,7,0,4,8,2,6,8,0,3,4,1,7,5,4,7,0,1,5,8,2,3,6,7,8,1,3,2,5,4,6,0,6,5,4,7,8,0,3,2,1,0,3,2,4,1,6,5,8,7]}
+PUZZLE:
+_ 3 _  _ _ 4  _ _ _
+9 _ 7  6 _ _  _ _ _
+_ _ _  _ 8 2  7 _ _
+
+_ _ 4  3 7 _  _ _ 9
+_ _ _  1 4 _  _ 8 _
+_ _ _  _ _ _  _ _ _
+
+8 _ _  _ 3 _  5 _ _
+7 6 _  _ _ _  4 _ 2
+1 _ _  _ _ _  6 _ _
+
+SOLUTION:
+2 3 8  7 1 4  9 6 5
+9 1 7  6 5 3  8 2 4
+4 5 6  9 8 2  7 1 3
+
+6 2 4  3 7 8  1 5 9
+3 7 9  1 4 5  2 8 6
+5 8 1  2 6 9  3 4 7
+
+8 9 2  4 3 6  5 7 1
+7 6 5  8 9 1  4 3 2
+1 4 3  5 2 7  6 9 8
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,1,null,null,6,null,null,4,3,null,3,null,null,7,null,null,null,null,null,null,7,5,null,null,2,null,null,null,null,null,null,2,null,0,8,null,null,5,null,0,3,null,null,null,7,null,null,2,null,null,1,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,4,null,6,null,null,1,7,null,null,null,null,8,null,null],"solution":[2,1,5,8,6,0,7,4,3,6,3,0,2,7,4,5,1,8,4,8,7,5,1,3,2,0,6,7,6,3,4,2,5,0,8,1,8,5,1,0,3,6,4,2,7,0,4,2,7,8,1,3,6,5,3,0,4,6,5,8,1,7,2,5,2,8,1,4,7,6,3,0,1,7,6,3,0,2,8,5,4]}
+PUZZLE:
+_ 2 _  _ 7 _  _ 5 4
+_ 4 _  _ 8 _  _ _ _
+_ _ 8  6 _ _  3 _ _
+
+_ _ _  _ 3 _  1 9 _
+_ 6 _  1 4 _  _ _ 8
+_ _ 3  _ _ 2  _ _ _
+
+_ 1 _  _ _ _  _ _ _
+_ _ _  _ 5 _  7 _ _
+2 8 _  _ _ _  9 _ _
+
+SOLUTION:
+3 2 6  9 7 1  8 5 4
+7 4 1  3 8 5  6 2 9
+5 9 8  6 2 4  3 1 7
+
+8 7 4  5 3 6  1 9 2
+9 6 2  1 4 7  5 3 8
+1 5 3  8 9 2  4 7 6
+
+4 1 5  7 6 9  2 8 3
+6 3 9  2 5 8  7 4 1
+2 8 7  4 1 3  9 6 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,1,null,null,null,null,0,4,null,null,6,null,5,null,null,null,null,8,7,4,null,6,null,1,null,null,null,2,null,null,8,null,null,6,null,null,4,8,null,null,null,null,null,2,null,null,null,null,null,5,null,2,5,4,null,null,7,1,null,null,null,null,7,null,null,null,null,null,0,null,null,null,null,null,null,2,null,null],"solution":[7,6,2,0,1,5,3,4,8,0,4,1,3,6,8,5,2,7,5,3,8,7,4,2,6,0,1,4,7,0,2,5,3,8,1,6,6,1,5,4,8,0,7,3,2,8,2,3,1,7,6,0,5,4,2,5,4,6,0,7,1,8,3,3,8,7,5,2,1,4,6,0,1,0,6,8,3,4,2,7,5]}
+PUZZLE:
+_ _ _  _ 2 _  _ _ _
+1 5 _  _ 7 _  6 _ _
+_ _ 9  8 5 _  7 _ 2
+
+_ _ _  3 _ _  9 _ _
+7 _ _  5 9 _  _ _ _
+_ 3 _  _ _ _  _ 6 _
+
+3 6 5  _ _ 8  2 _ _
+_ _ 8  _ _ _  _ _ 1
+_ _ _  _ _ _  3 _ _
+
+SOLUTION:
+8 7 3  1 2 6  4 5 9
+1 5 2  4 7 9  6 3 8
+6 4 9  8 5 3  7 1 2
+
+5 8 1  3 6 4  9 2 7
+7 2 6  5 9 1  8 4 3
+9 3 4  2 8 7  1 6 5
+
+3 6 5  7 1 8  2 9 4
+4 9 8  6 3 2  5 7 1
+2 1 7  9 4 5  3 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,2,null,null,6,null,null,null,null,null,null,null,null,2,5,1,null,null,0,7,1,null,null,null,null,null,null,7,0,null,null,null,null,4,null,null,null,4,null,null,0,null,2,5,null,null,null,null,8,null,3,null,null,6,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,8,7,8,1,null,null,null,null,null,0],"solution":[8,1,3,2,4,5,6,0,7,4,7,6,3,8,0,2,5,1,2,5,0,7,1,6,8,4,3,1,2,7,0,6,3,5,8,4,6,3,8,4,5,7,0,1,2,5,0,4,1,2,8,7,3,6,3,6,2,8,0,4,1,7,5,0,4,5,6,7,1,3,2,8,7,8,1,5,3,2,4,6,0]}
+PUZZLE:
+9 _ _  3 _ _  7 _ _
+_ _ _  _ _ _  3 6 2
+_ _ 1  8 2 _  _ _ _
+
+_ _ 8  1 _ _  _ _ 5
+_ _ _  5 _ _  1 _ 3
+6 _ _  _ _ 9  _ 4 _
+
+_ 7 _  _ _ _  2 _ _
+_ _ _  _ _ _  _ _ 9
+8 9 2  _ _ _  _ _ 1
+
+SOLUTION:
+9 2 4  3 5 6  7 1 8
+5 8 7  4 9 1  3 6 2
+3 6 1  8 2 7  9 5 4
+
+2 3 8  1 7 4  6 9 5
+7 4 9  5 6 8  1 2 3
+6 1 5  2 3 9  8 4 7
+
+4 7 3  9 1 5  2 8 6
+1 5 6  7 8 2  4 3 9
+8 9 2  6 4 3  5 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,8,null,5,null,null,7,null,null,null,null,null,3,0,null,null,null,1,null,null,5,0,null,null,null,null,5,null,4,6,null,null,null,null,8,null,3,5,null,null,null,null,6,null,2,null,null,null,null,null,6,8,7,null,null,null,null,null,null,null,null,null,6,2,null,null,null,4,null,null,3,null,null,null,null],"solution":[6,1,7,5,2,3,4,8,0,5,2,4,7,0,8,1,6,3,3,0,8,4,6,1,7,2,5,0,7,2,3,1,5,8,4,6,4,6,1,0,8,7,3,5,2,8,5,3,6,4,2,0,1,7,2,3,6,8,7,4,5,0,1,7,8,0,1,5,6,2,3,4,1,4,5,2,3,0,6,7,8]}
+PUZZLE:
+_ 2 _  _ _ _  _ 9 _
+6 _ _  8 _ _  _ _ _
+4 1 _  _ _ 2  _ _ 6
+
+1 _ _  _ _ 6  _ 5 7
+_ _ _  _ 9 _  4 6 _
+_ _ _  7 _ 3  _ _ _
+
+_ _ 7  9 8 _  _ _ _
+_ _ _  _ _ 7  3 _ _
+_ 5 _  _ 4 _  _ _ _
+
+SOLUTION:
+7 2 8  6 3 4  5 9 1
+6 3 5  8 1 9  2 7 4
+4 1 9  5 7 2  8 3 6
+
+1 8 3  4 2 6  9 5 7
+5 7 2  1 9 8  4 6 3
+9 6 4  7 5 3  1 2 8
+
+3 4 7  9 8 5  6 1 2
+8 9 1  2 6 7  3 4 5
+2 5 6  3 4 1  7 8 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,3,8,null,null,null,1,0,null,null,null,4,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,8,0,null,null,null,null,6,null,null,null,null,5,null,null,0,3,null,null,2,null,6,null,null,null,7,4,null,null,6,null,null,null,null,null,7,null,null,null,null,null,null,null,null,5,1,null,null,0,null,2,8,null],"solution":[2,6,5,3,8,0,7,4,1,0,7,1,2,4,6,5,3,8,8,3,4,1,7,5,0,6,2,1,5,8,0,3,7,4,2,6,6,4,7,8,5,2,1,0,3,3,0,2,4,6,1,8,5,7,4,2,0,6,1,8,3,7,5,7,8,3,5,2,4,6,1,0,5,1,6,7,0,3,2,8,4]}
+PUZZLE:
+_ _ _  4 9 _  _ _ 2
+1 _ _  _ 5 _  _ _ _
+_ _ _  _ _ 6  _ _ _
+
+_ _ 9  1 _ _  _ _ 7
+_ _ _  _ 6 _  _ 1 4
+_ _ 3  _ 7 _  _ _ 8
+
+5 _ _  7 _ _  _ _ _
+8 _ _  _ _ _  _ _ _
+6 2 _  _ 1 _  3 9 _
+
+SOLUTION:
+3 7 6  4 9 1  8 5 2
+1 8 2  3 5 7  6 4 9
+9 4 5  2 8 6  1 7 3
+
+2 6 9  1 4 8  5 3 7
+7 5 8  9 6 3  2 1 4
+4 1 3  5 7 2  9 6 8
+
+5 3 1  7 2 9  4 8 6
+8 9 4  6 3 5  7 2 1
+6 2 7  8 1 4  3 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,5,null,null,null,null,6,5,null,null,null,null,7,8,null,null,null,2,null,8,3,null,5,null,null,null,null,6,null,null,3,null,1,null,null,null,null,4,null,null,null,null,null,null,null,5,null,7,null,null,4,null,null,null,null,null,null,5,null,3,1,null,null,1,null,null,null,7,null,2,null,null,null,6,null,null,null,5,null],"solution":[8,0,3,5,4,2,1,7,6,5,6,4,1,0,7,8,2,3,1,2,7,8,3,6,5,0,4,4,8,6,0,5,3,2,1,7,2,7,0,4,6,1,3,8,5,3,1,5,2,7,8,6,4,0,6,4,8,7,2,5,0,3,1,0,5,1,3,8,4,7,6,2,7,3,2,6,1,0,4,5,8]}
+PUZZLE:
+_ 1 _  6 _ _  _ _ 7
+6 _ _  _ _ 8  9 _ _
+_ 3 _  9 4 _  6 _ _
+
+_ _ 7  _ _ 4  _ 2 _
+_ _ _  5 _ _  _ _ _
+_ _ 6  _ 8 _  _ 5 _
+
+_ _ _  _ _ 6  _ 4 2
+_ _ 2  _ _ _  8 _ 3
+_ _ _  7 _ _  _ 6 _
+
+SOLUTION:
+9 1 4  6 5 3  2 8 7
+6 7 5  2 1 8  9 3 4
+2 3 8  9 4 7  6 1 5
+
+5 9 7  1 6 4  3 2 8
+3 8 1  5 7 2  4 9 6
+4 2 6  3 8 9  7 5 1
+
+7 5 9  8 3 6  1 4 2
+1 6 2  4 9 5  8 7 3
+8 4 3  7 2 1  5 6 9
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,null,0,null,null,null,5,null,null,7,null,2,4,null,null,null,2,8,null,5,null,null,null,8,7,3,null,null,6,null,null,null,0,null,null,2,3,4,null,8,null,null,null,null,7,null,null,null,null,null,3,null,5,null,null,8,4,null,null,null,null,6,null,null,null,null,1,null,null,null,7,null,null,null,3,null,null],"solution":[7,3,8,4,6,2,0,5,1,6,5,0,1,7,3,2,4,8,1,4,2,8,0,5,7,3,6,8,7,3,0,5,6,1,2,4,0,6,1,2,3,4,5,8,7,5,2,4,7,8,1,6,0,3,3,1,5,6,2,8,4,7,0,2,0,6,3,4,7,8,1,5,4,8,7,5,1,0,3,6,2]}
+PUZZLE:
+_ _ _  _ _ _  1 _ _
+_ 6 _  _ 8 _  3 5 _
+_ _ 3  9 _ 6  _ _ _
+
+9 8 4  _ _ 7  _ _ _
+1 _ _  3 4 5  _ 9 _
+_ _ _  8 _ _  _ _ _
+
+4 _ 6  _ _ 9  5 _ _
+_ _ 7  _ _ _  _ 2 _
+_ _ 8  _ _ _  4 _ _
+
+SOLUTION:
+8 4 9  5 7 3  1 6 2
+7 6 1  2 8 4  3 5 9
+2 5 3  9 1 6  8 4 7
+
+9 8 4  1 6 7  2 3 5
+1 7 2  3 4 5  6 9 8
+6 3 5  8 9 2  7 1 4
+
+4 2 6  7 3 9  5 8 1
+3 1 7  4 5 8  9 2 6
+5 9 8  6 2 1  4 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,7,null,null,null,null,8,null,null,null,null,8,null,null,3,null,null,4,null,0,null,null,null,null,null,7,null,7,1,2,4,8,null,5,null,2,null,null,null,null,null,null,null,null,null,0,6,5,null,null,null,null,null,null,null,null,3,7,1,null,4,8,null,null,null,null,null,null,2,null,null,null,4,null,null,null,null,null,3,null],"solution":[5,3,7,4,0,2,1,8,6,1,6,2,8,5,7,3,0,4,4,8,0,1,3,6,5,2,7,3,7,1,2,4,8,6,5,0,2,5,4,7,6,0,8,1,3,8,0,6,5,1,3,4,7,2,6,2,5,3,7,1,0,4,8,7,1,3,0,8,4,2,6,5,0,4,8,6,2,5,7,3,1]}
+PUZZLE:
+_ _ 8  _ _ _  _ 9 _
+_ _ _  9 _ _  4 _ _
+5 _ 1  _ _ _  _ _ 8
+
+_ 8 2  3 5 9  _ 6 _
+3 _ _  _ _ _  _ _ _
+_ 1 7  6 _ _  _ _ _
+
+_ _ _  4 8 2  _ 5 9
+_ _ _  _ _ _  3 _ _
+_ 5 _  _ _ _  _ 4 _
+
+SOLUTION:
+6 4 8  5 1 3  2 9 7
+2 7 3  9 6 8  4 1 5
+5 9 1  2 4 7  6 3 8
+
+4 8 2  3 5 9  7 6 1
+3 6 5  8 7 1  9 2 4
+9 1 7  6 2 4  5 8 3
+
+7 3 6  4 8 2  1 5 9
+8 2 4  1 9 5  3 7 6
+1 5 9  7 3 6  8 4 2
+
+RATING: 3
+DATA:
+{"puzzle":[2,null,null,null,null,null,null,null,1,null,null,null,null,null,null,2,8,null,null,7,0,null,null,null,null,null,null,null,null,null,null,3,7,6,null,null,0,null,null,null,null,null,1,null,null,7,6,null,5,null,8,4,null,3,null,null,null,null,2,null,null,null,null,null,8,null,null,null,5,3,6,null,null,null,null,null,null,6,null,7,4],"solution":[2,5,3,6,8,0,7,4,1,4,1,6,7,5,3,2,8,0,8,7,0,2,4,1,5,3,6,5,4,2,1,3,7,6,0,8,0,3,8,4,6,2,1,5,7,7,6,1,5,0,8,4,2,3,6,0,7,3,2,4,8,1,5,1,8,4,0,7,5,3,6,2,3,2,5,8,1,6,0,7,4]}
+PUZZLE:
+3 _ _  _ _ _  _ _ 2
+_ _ _  _ _ _  3 9 _
+_ 8 1  _ _ _  _ _ _
+
+_ _ _  _ 4 8  7 _ _
+1 _ _  _ _ _  2 _ _
+8 7 _  6 _ 9  5 _ 4
+
+_ _ _  _ 3 _  _ _ _
+_ 9 _  _ _ 6  4 7 _
+_ _ _  _ _ 7  _ 8 5
+
+SOLUTION:
+3 6 4  7 9 1  8 5 2
+5 2 7  8 6 4  3 9 1
+9 8 1  3 5 2  6 4 7
+
+6 5 3  2 4 8  7 1 9
+1 4 9  5 7 3  2 6 8
+8 7 2  6 1 9  5 3 4
+
+7 1 8  4 3 5  9 2 6
+2 9 5  1 8 6  4 7 3
+4 3 6  9 2 7  1 8 5
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,null,null,8,null,null,null,null,7,4,null,null,null,null,1,null,null,null,null,8,2,null,4,null,5,null,8,null,null,7,null,null,null,null,5,null,1,null,3,null,null,null,null,null,null,null,5,null,2,null,3,null,null,null,null,null,null,7,0,4,8,null,null,null,null,4,null,null,null,null,null,null,null,null,5,1,null,2,null,null],"solution":[5,0,2,1,8,7,6,3,4,7,4,6,0,5,3,1,2,8,1,3,8,2,6,4,7,5,0,8,2,3,7,4,6,0,1,5,4,1,7,3,0,5,8,6,2,0,6,5,8,2,1,3,4,7,2,5,1,6,7,0,4,8,3,6,8,0,4,3,2,5,7,1,3,7,4,5,1,8,2,0,6]}
+PUZZLE:
+_ _ _  _ 9 _  _ _ _
+8 5 _  _ _ _  2 _ _
+_ _ 9  3 _ 5  _ 6 _
+
+9 _ _  8 _ _  _ _ 6
+_ 2 _  4 _ _  _ _ _
+_ _ 6  _ 3 _  4 _ _
+
+_ _ _  _ 8 1  5 9 _
+_ _ _  5 _ _  _ _ _
+_ _ _  6 2 _  3 _ _
+
+SOLUTION:
+6 1 3  2 9 8  7 4 5
+8 5 7  1 6 4  2 3 9
+2 4 9  3 7 5  8 6 1
+
+9 3 4  8 5 7  1 2 6
+5 2 8  4 1 6  9 7 3
+1 7 6  9 3 2  4 5 8
+
+3 6 2  7 8 1  5 9 4
+7 9 1  5 4 3  6 8 2
+4 8 5  6 2 9  3 1 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[2,null,3,null,null,null,null,1,null,null,1,6,null,null,null,0,null,null,null,7,null,null,null,null,null,null,5,null,null,null,3,null,null,null,0,null,3,null,5,null,null,6,7,4,null,6,null,null,null,2,null,null,null,null,null,null,null,null,null,null,6,null,0,null,null,null,null,null,0,null,null,null,7,null,1,4,null,8,null,2,null],"solution":[2,5,3,6,0,4,8,1,7,4,1,6,8,5,7,0,3,2,0,7,8,2,1,3,4,6,5,1,8,7,3,4,5,2,0,6,3,2,5,0,8,6,7,4,1,6,4,0,7,2,1,3,5,8,5,3,4,1,7,2,6,8,0,8,6,2,5,3,0,1,7,4,7,0,1,4,6,8,5,2,3]}
+PUZZLE:
+3 _ 4  _ _ _  _ 2 _
+_ 2 7  _ _ _  1 _ _
+_ 8 _  _ _ _  _ _ 6
+
+_ _ _  4 _ _  _ 1 _
+4 _ 6  _ _ 7  8 5 _
+7 _ _  _ 3 _  _ _ _
+
+_ _ _  _ _ _  7 _ 1
+_ _ _  _ _ 1  _ _ _
+8 _ 2  5 _ 9  _ 3 _
+
+SOLUTION:
+3 6 4  7 1 5  9 2 8
+5 2 7  9 6 8  1 4 3
+1 8 9  3 2 4  5 7 6
+
+2 9 8  4 5 6  3 1 7
+4 3 6  1 9 7  8 5 2
+7 5 1  8 3 2  4 6 9
+
+6 4 5  2 8 3  7 9 1
+9 7 3  6 4 1  2 8 5
+8 1 2  5 7 9  6 3 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,7,null,null,2,6,null,8,null,null,0,null,null,null,3,null,null,null,6,null,null,null,3,0,null,null,null,null,2,null,2,null,null,7,null,null,null,null,null,0,5,1,null,null,null,null,3,null,null,null,null,null,null,8,null,null,4,null,null,8,null,6,null,null,1,null,5,null,null,null,0,null,4,null],"solution":[3,6,4,5,0,1,2,8,7,5,7,2,6,4,8,1,3,0,0,8,1,3,2,7,5,6,4,7,4,3,0,8,5,6,1,2,1,2,6,4,7,3,0,5,8,8,0,5,1,6,2,4,7,3,6,1,7,2,3,4,8,0,5,4,3,0,8,5,6,7,2,1,2,5,8,7,1,0,3,4,6]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 8
+_ _ 3  7 _ 9  _ _ 1
+_ _ _  4 _ _  _ 7 _
+
+_ _ 4  1 _ _  _ _ 3
+_ 3 _  _ 8 _  _ _ _
+_ 1 6  2 _ _  _ _ 4
+
+_ _ _  _ _ _  9 _ _
+5 _ _  9 _ 7  _ _ 2
+_ 6 _  _ _ 1  _ 5 _
+
+SOLUTION:
+4 7 5  6 1 2  3 9 8
+6 8 3  7 5 9  2 4 1
+1 9 2  4 3 8  6 7 5
+
+8 5 4  1 9 6  7 2 3
+2 3 7  5 8 4  1 6 9
+9 1 6  2 7 3  5 8 4
+
+7 2 8  3 4 5  9 1 6
+5 4 1  9 6 7  8 3 2
+3 6 9  8 2 1  4 5 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,2,null,4,null,null,null,null,null,6,null,null,null,0,5,null,7,null,null,null,null,null,6,7,null,null,null,null,null,6,1,null,0,null,null,5,null,7,null,null,3,6,null,2,4,null,null,8,null,2,null,null,null,null,null,null,null,null,null,null,4,0,8,3,null,null,0,null,null,null,null,null,null,null,null,null,null,null,6,null,null],"solution":[5,2,7,4,8,1,0,3,6,6,1,4,3,0,5,8,7,2,8,0,3,2,6,7,5,4,1,2,4,6,1,7,0,3,8,5,0,7,5,8,3,6,1,2,4,1,3,8,5,2,4,7,6,0,7,5,2,6,1,3,4,0,8,3,6,1,0,4,8,2,5,7,4,8,0,7,5,2,6,1,3]}
+PUZZLE:
+_ 3 _  5 _ _  _ _ _
+7 _ _  _ 1 6  _ 8 _
+_ _ _  _ 7 8  _ _ _
+
+_ _ 7  2 _ 1  _ _ 6
+_ 8 _  _ 4 7  _ 3 5
+_ _ 9  _ 3 _  _ _ _
+
+_ _ _  _ _ _  5 1 9
+4 _ _  1 _ _  _ _ _
+_ _ _  _ _ _  7 _ _
+
+SOLUTION:
+6 3 8  5 9 2  1 4 7
+7 2 5  4 1 6  9 8 3
+9 1 4  3 7 8  6 5 2
+
+3 5 7  2 8 1  4 9 6
+1 8 6  9 4 7  2 3 5
+2 4 9  6 3 5  8 7 1
+
+8 6 3  7 2 4  5 1 9
+4 7 2  1 5 9  3 6 8
+5 9 1  8 6 3  7 2 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,null,null,7,null,4,2,4,8,null,5,null,null,6,null,0,null,3,null,null,null,null,null,null,null,6,null,5,0,null,1,4,null,null,null,null,null,null,null,6,3,null,null,null,null,null,null,null,4,null,5,null,8,5,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,0,7,null],"solution":[5,0,1,3,6,7,8,4,2,4,8,7,5,1,2,6,3,0,2,3,6,4,8,0,7,1,5,6,2,5,0,3,1,4,8,7,7,4,8,2,5,6,3,0,1,0,1,3,8,7,4,2,5,6,8,5,2,7,0,3,1,6,4,1,7,0,6,4,8,5,2,3,3,6,4,1,2,5,0,7,8]}
+PUZZLE:
+_ 1 _  _ _ 8  _ 5 3
+5 9 _  6 _ _  7 _ 1
+_ 4 _  _ _ _  _ _ _
+
+7 _ 6  1 _ 2  5 _ _
+_ _ _  _ _ 7  4 _ _
+_ _ _  _ _ 5  _ 6 _
+
+9 6 _  _ 1 _  _ _ _
+_ _ _  _ _ _  _ _ _
+_ _ _  _ _ _  1 8 _
+
+SOLUTION:
+6 1 2  4 7 8  9 5 3
+5 9 8  6 2 3  7 4 1
+3 4 7  5 9 1  8 2 6
+
+7 3 6  1 4 2  5 9 8
+8 5 9  3 6 7  4 1 2
+1 2 4  9 8 5  3 6 7
+
+9 6 3  8 1 4  2 7 5
+2 8 1  7 5 9  6 3 4
+4 7 5  2 3 6  1 8 9
+
+RATING: 2
+DATA:
+{"puzzle":[7,null,null,null,8,null,5,1,null,null,null,null,null,null,4,0,null,7,null,1,null,null,null,null,null,null,3,null,null,1,0,null,null,null,null,4,null,null,null,null,5,null,6,null,null,3,null,null,null,null,6,null,null,null,null,null,7,null,null,null,null,2,null,null,0,null,5,null,8,7,null,1,8,null,3,null,null,null,null,null,null],"solution":[7,3,4,2,8,0,5,1,6,5,2,6,1,3,4,0,8,7,0,1,8,6,7,5,2,4,3,6,8,1,0,2,7,3,5,4,2,4,0,3,5,1,6,7,8,3,7,5,8,4,6,1,0,2,1,6,7,4,0,3,8,2,5,4,0,2,5,6,8,7,3,1,8,5,3,7,1,2,4,6,0]}
+PUZZLE:
+8 _ _  _ 9 _  6 2 _
+_ _ _  _ _ 5  1 _ 8
+_ 2 _  _ _ _  _ _ 4
+
+_ _ 2  1 _ _  _ _ 5
+_ _ _  _ 6 _  7 _ _
+4 _ _  _ _ 7  _ _ _
+
+_ _ 8  _ _ _  _ 3 _
+_ 1 _  6 _ 9  8 _ 2
+9 _ 4  _ _ _  _ _ _
+
+SOLUTION:
+8 4 5  3 9 1  6 2 7
+6 3 7  2 4 5  1 9 8
+1 2 9  7 8 6  3 5 4
+
+7 9 2  1 3 8  4 6 5
+3 5 1  4 6 2  7 8 9
+4 8 6  9 5 7  2 1 3
+
+2 7 8  5 1 4  9 3 6
+5 1 3  6 7 9  8 4 2
+9 6 4  8 2 3  5 7 1
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,null,2,4,null,1,null,6,null,null,null,null,null,null,0,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,2,null,1,null,null,3,null,null,null,null,null,0,7,6,null,2,null,null,6,null,null,4,null,null,null,1,null,null,null,2,null,null,null,8,4,5,null,null,null,0,null,null,7],"solution":[8,0,7,3,6,2,4,5,1,5,6,4,8,7,1,3,2,0,2,1,3,0,4,5,8,7,6,6,7,1,2,5,3,0,8,4,0,4,2,6,1,8,7,3,5,3,8,5,4,0,7,6,1,2,7,2,6,5,8,4,1,0,3,1,3,0,7,2,6,5,4,8,4,5,8,1,3,0,2,6,7]}
+PUZZLE:
+_ _ _  _ _ 3  5 _ 2
+_ 7 _  _ _ _  _ _ 1
+_ _ 4  _ _ _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+_ 5 3  _ 2 _  _ 4 _
+_ _ _  _ 1 8  7 _ 3
+
+_ _ 7  _ _ 5  _ _ _
+2 _ _  _ 3 _  _ _ 9
+5 6 _  _ _ 1  _ _ 8
+
+SOLUTION:
+9 1 8  4 7 3  5 6 2
+6 7 5  9 8 2  4 3 1
+3 2 4  1 5 6  9 8 7
+
+7 8 2  3 6 4  1 9 5
+1 5 3  7 2 9  8 4 6
+4 9 6  5 1 8  7 2 3
+
+8 3 7  6 9 5  2 1 4
+2 4 1  8 3 7  6 5 9
+5 6 9  2 4 1  3 7 8
+
+RATING: 1
+DATA:
+{"puzzle":[null,0,null,null,null,null,null,3,1,6,3,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,8,null,null,1,2,null,null,null,8,null,3,null,4,5,6,null,null,null,null,null,null,null,1,4,null,null,null,null,null,null,null,0,1,null,null,4,7,null,5,null,null,null,null,null,2,null,null,null,2,8,null,null,null,null,null],"solution":[2,0,7,4,8,5,6,3,1,6,3,8,7,0,1,2,5,4,4,1,5,3,2,6,7,0,8,5,7,1,2,3,0,4,8,6,3,8,4,5,6,7,0,1,2,0,2,6,1,4,8,3,7,5,8,6,3,0,1,2,5,4,7,1,5,0,6,7,4,8,2,3,7,4,2,8,5,3,1,6,0]}
+PUZZLE:
+_ 1 _  _ _ _  _ 4 2
+7 4 _  _ _ _  _ _ _
+_ _ _  _ _ 7  _ _ 9
+
+_ _ 2  3 _ _  _ 9 _
+4 _ 5  6 7 _  _ _ _
+_ _ _  2 5 _  _ _ _
+
+_ _ _  1 2 _  _ 5 8
+_ 6 _  _ _ _  _ 3 _
+_ _ 3  9 _ _  _ _ _
+
+SOLUTION:
+3 1 8  5 9 6  7 4 2
+7 4 9  8 1 2  3 6 5
+5 2 6  4 3 7  8 1 9
+
+6 8 2  3 4 1  5 9 7
+4 9 5  6 7 8  1 2 3
+1 3 7  2 5 9  4 8 6
+
+9 7 4  1 2 3  6 5 8
+2 6 1  7 8 5  9 3 4
+8 5 3  9 6 4  2 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,8,null,null,5,null,2,null,null,null,null,null,3,null,null,null,null,3,null,null,null,null,null,6,null,null,null,null,null,null,7,2,0,null,null,5,null,null,null,0,null,null,6,null,0,1,null,3,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,4,1,null,null,6,8,null,null,7,null,6,null,null,8,null,null,1],"solution":[1,0,8,6,4,5,3,2,7,4,6,7,2,3,0,1,8,5,3,2,5,1,8,7,6,0,4,6,8,4,5,7,2,0,1,3,5,7,3,8,0,1,4,6,2,0,1,2,3,6,4,7,5,8,8,5,0,4,1,3,2,7,6,2,4,1,7,5,6,8,3,0,7,3,6,0,2,8,5,4,1]}
+PUZZLE:
+_ _ 9  _ _ 6  _ 3 _
+_ _ _  _ 4 _  _ _ _
+4 _ _  _ _ _  7 _ _
+
+_ _ _  _ 8 3  1 _ _
+6 _ _  _ 1 _  _ 7 _
+1 2 _  4 _ _  _ _ 9
+
+_ _ _  _ _ _  _ _ _
+_ 5 2  _ _ 7  9 _ _
+8 _ 7  _ _ 9  _ _ 2
+
+SOLUTION:
+2 1 9  7 5 6  4 3 8
+5 7 8  3 4 1  2 9 6
+4 3 6  2 9 8  7 1 5
+
+7 9 5  6 8 3  1 2 4
+6 8 4  9 1 2  5 7 3
+1 2 3  4 7 5  8 6 9
+
+9 6 1  5 2 4  3 8 7
+3 5 2  8 6 7  9 4 1
+8 4 7  1 3 9  6 5 2
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,8,null,null,null,null,null,null,null,null,2,0,null,null,null,0,null,8,null,1,null,5,6,null,null,7,null,5,null,1,null,0,null,5,null,null,null,null,6,null,null,null,null,6,1,null,5,null,null,null,8,7,null,0,2,null,null,null,null,null,null,3,null,null,null,null,null,3,null,null,5,4,null,null,null,0],"solution":[2,3,6,0,5,1,8,7,4,1,5,8,4,7,3,2,0,6,7,4,0,2,8,6,1,3,5,6,2,4,7,3,5,0,1,8,0,1,5,8,2,4,3,6,7,8,7,3,6,1,0,5,4,2,4,8,7,1,0,2,6,5,3,5,0,2,3,6,7,4,8,1,3,6,1,5,4,8,7,2,0]}
+PUZZLE:
+_ _ _  _ _ _  9 _ _
+_ _ _  _ _ _  3 1 _
+_ _ 1  _ 9 _  2 _ 6
+
+7 _ _  8 _ 6  _ 2 _
+1 _ 6  _ _ _  _ 7 _
+_ _ _  7 2 _  6 _ _
+
+_ 9 8  _ 1 3  _ _ _
+_ _ _  4 _ _  _ _ _
+4 _ _  6 5 _  _ _ 1
+
+SOLUTION:
+3 4 7  1 6 2  9 8 5
+2 6 9  5 8 4  3 1 7
+8 5 1  3 9 7  2 4 6
+
+7 3 5  8 4 6  1 2 9
+1 2 6  9 3 5  4 7 8
+9 8 4  7 2 1  6 5 3
+
+5 9 8  2 1 3  7 6 4
+6 1 3  4 7 8  5 9 2
+4 7 2  6 5 9  8 3 1
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,3,1,null,null,null,0,null,null,null,null,null,6,null,8,null,null,4,null,null,null,7,null,1,null,null,null,8,1,null,null,null,null,null,4,null,null,null,null,null,null,null,null,6,null,null,4,8,null,0,7,3,null,8,3,null,4,null,null,null,null,null,null,null,7,null,2,6,null,null,null,null,null,6,null,1,null,null,null,null],"solution":[7,6,3,1,8,2,4,0,5,2,1,0,5,6,4,8,7,3,4,5,8,0,7,3,1,6,2,0,8,1,6,3,7,2,5,4,3,7,5,2,4,1,0,8,6,6,2,4,8,5,0,7,3,1,8,3,2,4,0,5,6,1,7,1,0,7,3,2,6,5,4,8,5,4,6,7,1,8,3,2,0]}
+PUZZLE:
+_ _ 4  2 _ _  _ 1 _
+_ _ _  _ 7 _  9 _ _
+5 _ _  _ 8 _  2 _ _
+
+_ 9 2  _ _ _  _ _ 5
+_ _ _  _ _ _  _ _ 7
+_ _ 5  9 _ 1  8 4 _
+
+9 4 _  5 _ _  _ _ _
+_ _ 8  _ 3 7  _ _ _
+_ _ 7  _ 2 _  _ _ _
+
+SOLUTION:
+8 7 4  2 9 3  5 1 6
+3 2 1  6 7 5  9 8 4
+5 6 9  1 8 4  2 7 3
+
+1 9 2  7 4 8  3 6 5
+4 8 6  3 5 2  1 9 7
+7 3 5  9 6 1  8 4 2
+
+9 4 3  5 1 6  7 2 8
+2 1 8  4 3 7  6 5 9
+6 5 7  8 2 9  4 3 1
+
+RATING: 2.5
+DATA:
+{"puzzle":[5,6,null,null,7,null,null,null,4,null,7,null,null,null,8,null,0,null,null,8,null,null,null,null,6,null,null,null,null,null,3,null,7,8,1,null,null,5,null,2,null,null,4,null,null,6,null,null,5,null,null,null,null,0,null,null,2,1,null,null,null,null,null,3,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,3,null],"solution":[5,6,1,0,7,2,3,8,4,2,7,4,6,3,8,5,0,1,0,8,3,4,1,5,6,2,7,4,2,0,3,6,7,8,1,5,1,5,7,2,8,0,4,6,3,6,3,8,5,4,1,2,7,0,8,0,2,1,5,3,7,4,6,3,1,6,7,2,4,0,5,8,7,4,5,8,0,6,1,3,2]}
+PUZZLE:
+6 7 _  _ 8 _  _ _ 5
+_ 8 _  _ _ 9  _ 1 _
+_ 9 _  _ _ _  7 _ _
+
+_ _ _  4 _ 8  9 2 _
+_ 6 _  3 _ _  5 _ _
+7 _ _  6 _ _  _ _ 1
+
+_ _ 3  2 _ _  _ _ _
+4 _ _  _ _ _  _ 6 _
+_ _ _  _ _ _  _ 4 _
+
+SOLUTION:
+6 7 2  1 8 3  4 9 5
+3 8 5  7 4 9  6 1 2
+1 9 4  5 2 6  7 3 8
+
+5 3 1  4 7 8  9 2 6
+2 6 8  3 9 1  5 7 4
+7 4 9  6 5 2  3 8 1
+
+9 1 3  2 6 4  8 5 7
+4 2 7  8 3 5  1 6 9
+8 5 6  9 1 7  2 4 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,7,null,null,6,null,null,null,null,null,null,null,null,null,7,3,null,1,null,null,null,null,4,null,null,null,null,null,null,null,null,7,null,null,null,2,null,8,null,1,null,null,null,6,null,null,2,0,5,null,null,4,null,null,7,null,null,null,2,null,1,null,null,null,null,5,null,0,null,null,null,8,null,null,4,null,null,6],"solution":[2,0,5,4,7,8,3,6,1,6,8,4,3,1,2,0,5,7,3,7,1,0,5,6,2,4,8,8,1,0,5,4,3,6,7,2,5,4,2,6,8,7,1,3,0,7,6,3,1,2,0,5,8,4,4,3,6,7,0,1,8,2,5,1,2,7,8,6,5,4,0,3,0,5,8,2,3,4,7,1,6]}
+PUZZLE:
+_ _ _  _ 8 _  _ 7 _
+_ _ _  _ _ _  _ _ 8
+4 _ 2  _ _ _  _ 5 _
+
+_ _ _  _ _ _  _ 8 _
+_ _ 3  _ 9 _  2 _ _
+_ 7 _  _ 3 1  6 _ _
+
+5 _ _  8 _ _  _ 3 _
+2 _ _  _ _ 6  _ 1 _
+_ _ 9  _ _ 5  _ _ 7
+
+SOLUTION:
+3 1 6  5 8 9  4 7 2
+7 9 5  4 2 3  1 6 8
+4 8 2  1 6 7  3 5 9
+
+9 2 1  6 5 4  7 8 3
+6 5 3  7 9 8  2 4 1
+8 7 4  2 3 1  6 9 5
+
+5 4 7  8 1 2  9 3 6
+2 3 8  9 7 6  5 1 4
+1 6 9  3 4 5  8 2 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[7,null,null,null,0,4,null,null,5,null,null,null,null,null,null,null,4,3,null,null,null,6,7,null,null,null,null,null,null,null,null,null,5,null,null,null,null,0,4,null,null,null,null,null,null,6,null,null,4,null,3,null,1,null,null,null,0,null,null,null,null,null,7,null,2,null,null,4,0,null,8,null,null,6,null,null,null,null,1,null,2],"solution":[7,1,2,3,0,4,8,6,5,0,8,6,2,5,1,7,4,3,5,4,3,6,7,8,0,2,1,8,3,1,0,2,5,6,7,4,2,0,4,7,1,6,3,5,8,6,7,5,4,8,3,2,1,0,1,5,0,8,6,2,4,3,7,3,2,7,1,4,0,5,8,6,4,6,8,5,3,7,1,0,2]}
+PUZZLE:
+8 _ _  _ 1 5  _ _ 6
+_ _ _  _ _ _  _ 5 4
+_ _ _  7 8 _  _ _ _
+
+_ _ _  _ _ 6  _ _ _
+_ 1 5  _ _ _  _ _ _
+7 _ _  5 _ 4  _ 2 _
+
+_ _ 1  _ _ _  _ _ 8
+_ 3 _  _ 5 1  _ 9 _
+_ 7 _  _ _ _  2 _ 3
+
+SOLUTION:
+8 2 3  4 1 5  9 7 6
+1 9 7  3 6 2  8 5 4
+6 5 4  7 8 9  1 3 2
+
+9 4 2  1 3 6  7 8 5
+3 1 5  8 2 7  4 6 9
+7 8 6  5 9 4  3 2 1
+
+2 6 1  9 7 3  5 4 8
+4 3 8  2 5 1  6 9 7
+5 7 9  6 4 8  2 1 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,1,5,2,null,null,3,null,null,null,0,3,8,null,1,null,null,null,null,7,null,null,null,2,1,6,null,null,null,null,null,null,null,null,null,null,2,null,6,null,null,null,7,3,null,8,6,null,5,null,null,null,null,0,null,8,null,null,null,null,6,null,null,null,null,1,null,7,null,4,null,null,null],"solution":[4,7,6,2,8,0,5,1,3,1,5,2,6,7,3,0,8,4,0,3,8,4,1,5,2,6,7,7,8,3,5,2,1,6,4,0,5,0,4,3,6,8,1,7,2,2,6,1,0,4,7,3,5,8,6,4,5,8,3,2,7,0,1,8,2,7,1,0,6,4,3,5,3,1,0,7,5,4,8,2,6]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+2 6 3  _ _ 4  _ _ _
+1 4 9  _ 2 _  _ _ _
+
+8 _ _  _ 3 2  7 _ _
+_ _ _  _ _ _  _ _ 3
+_ 7 _  _ _ 8  4 _ 9
+
+7 _ 6  _ _ _  _ 1 _
+9 _ _  _ _ 7  _ _ _
+_ 2 _  8 _ 5  _ _ _
+
+SOLUTION:
+5 8 7  3 9 1  6 2 4
+2 6 3  7 8 4  1 9 5
+1 4 9  5 2 6  3 7 8
+
+8 9 4  6 3 2  7 5 1
+6 1 5  4 7 9  2 8 3
+3 7 2  1 5 8  4 6 9
+
+7 5 6  9 4 3  8 1 2
+9 3 8  2 1 7  5 4 6
+4 2 1  8 6 5  9 3 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,null,null,0,null,null,null,6,null,null,null,null,null,5,null,3,1,null,5,null,2,4,null,null,null,null,0,6,null,null,null,null,null,null,null,null,null,null,null,5,1,null,null,null,7,null,null,null,8,null,null,null,0,null,null,1,8,null,null,8,null,5,null,3,null,null,2,0,7,null,null,null,null,2,null,null,null],"solution":[2,5,8,1,4,3,6,0,7,4,7,6,2,8,0,1,3,5,0,3,1,6,5,7,2,4,8,1,8,3,0,6,5,4,7,2,6,4,7,3,2,8,0,5,1,5,0,2,7,1,4,3,8,6,3,2,0,5,7,1,8,6,4,8,1,5,4,3,6,7,2,0,7,6,4,8,0,2,5,1,3]}
+PUZZLE:
+_ 6 _  _ _ _  _ 1 _
+_ _ 7  _ _ _  _ _ 6
+_ 4 2  _ 6 _  3 5 _
+
+_ _ _  1 7 _  _ _ _
+_ _ _  _ _ _  _ 6 2
+_ _ _  8 _ _  _ 9 _
+
+_ _ 1  _ _ 2  9 _ _
+9 _ 6  _ 4 _  _ 3 1
+8 _ _  _ _ 3  _ _ _
+
+SOLUTION:
+3 6 9  2 5 4  7 1 8
+5 8 7  3 9 1  2 4 6
+1 4 2  7 6 8  3 5 9
+
+2 9 4  1 7 6  5 8 3
+7 5 8  4 3 9  1 6 2
+6 1 3  8 2 5  4 9 7
+
+4 3 1  6 8 2  9 7 5
+9 2 6  5 4 7  8 3 1
+8 7 5  9 1 3  6 2 4
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,5,null,null,null,2,null,4,null,null,null,null,3,8,6,7,null,null,null,null,null,null,null,null,null,null,null,null,7,2,null,null,null,null,5,null,null,8,6,null,null,null,null,null,4,null,null,null,null,1,null,null,null,8,null,4,null,null,null,null,6,null,6,null,null,null,null,null,7,3,null,3,null,null,0,null,5,4,null,null],"solution":[7,3,5,1,0,6,2,8,4,2,4,0,5,3,8,6,7,1,1,8,6,4,7,2,0,5,3,0,6,7,2,8,3,1,4,5,5,1,8,6,4,0,3,2,7,4,2,3,7,5,1,8,0,6,8,0,4,3,1,7,5,6,2,6,5,1,8,2,4,7,3,0,3,7,2,0,6,5,4,1,8]}
+PUZZLE:
+_ _ 6  _ _ _  3 _ 5
+_ _ _  _ 4 9  7 8 _
+_ _ _  _ _ _  _ _ _
+
+_ _ 8  3 _ _  _ _ 6
+_ _ 9  7 _ _  _ _ _
+5 _ _  _ _ 2  _ _ _
+
+9 _ 5  _ _ _  _ 7 _
+7 _ _  _ _ _  8 4 _
+4 _ _  1 _ 6  5 _ _
+
+SOLUTION:
+8 4 6  2 1 7  3 9 5
+3 5 1  6 4 9  7 8 2
+2 9 7  5 8 3  1 6 4
+
+1 7 8  3 9 4  2 5 6
+6 2 9  7 5 1  4 3 8
+5 3 4  8 6 2  9 1 7
+
+9 1 5  4 2 8  6 7 3
+7 6 2  9 3 5  8 4 1
+4 8 3  1 7 6  5 2 9
+
+RATING: 2
+DATA:
+{"puzzle":[null,1,null,6,null,null,null,null,4,null,null,null,null,null,null,7,null,0,7,2,null,8,null,null,null,3,null,null,null,null,0,null,null,6,null,null,null,null,null,null,null,2,null,null,null,1,3,6,null,null,null,8,null,null,null,null,null,null,2,null,null,null,null,null,0,4,null,null,null,null,6,5,5,null,null,null,null,null,null,null,3],"solution":[0,1,8,6,7,3,5,2,4,6,4,3,2,5,1,7,8,0,7,2,5,8,0,4,1,3,6,2,5,7,0,3,8,6,4,1,4,8,0,1,6,2,3,5,7,1,3,6,7,4,5,8,0,2,3,6,1,5,2,0,4,7,8,8,0,4,3,1,7,2,6,5,5,7,2,4,8,6,0,1,3]}
+PUZZLE:
+_ 2 _  7 _ _  _ _ 5
+_ _ _  _ _ _  8 _ 1
+8 3 _  9 _ _  _ 4 _
+
+_ _ _  1 _ _  7 _ _
+_ _ _  _ _ 3  _ _ _
+2 4 7  _ _ _  9 _ _
+
+_ _ _  _ 3 _  _ _ _
+_ 1 5  _ _ _  _ 7 6
+6 _ _  _ _ _  _ _ 4
+
+SOLUTION:
+1 2 9  7 8 4  6 3 5
+7 5 4  3 6 2  8 9 1
+8 3 6  9 1 5  2 4 7
+
+3 6 8  1 4 9  7 5 2
+5 9 1  2 7 3  4 6 8
+2 4 7  8 5 6  9 1 3
+
+4 7 2  6 3 1  5 8 9
+9 1 5  4 2 8  3 7 6
+6 8 3  5 9 7  1 2 4
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,null,null,null,null,3,1,null,null,null,null,null,null,1,null,3,null,null,8,null,6,null,null,null,null,null,null,null,null,5,5,null,null,null,null,2,null,0,null,6,7,1,8,null,null,null,null,null,0,null,7,5,null,1,null,null,null,null,null,null,null,8,null,null,null,null,2,5,null,6,null,null,null,null,7],"solution":[7,2,5,0,6,8,4,1,3,8,6,3,1,7,4,0,5,2,4,1,0,3,2,5,8,7,6,3,0,2,4,1,6,7,8,5,5,8,4,7,3,2,6,0,1,6,7,1,8,5,0,3,2,4,0,3,7,5,4,1,2,6,8,1,4,6,2,8,7,5,3,0,2,5,8,6,0,3,1,4,7]}
+PUZZLE:
+_ _ _  _ _ _  5 _ _
+_ _ 4  2 _ _  _ _ _
+_ 2 _  4 _ _  9 _ 7
+
+_ _ _  _ _ _  _ _ 6
+6 _ _  _ _ 3  _ 1 _
+7 8 2  9 _ _  _ _ _
+
+1 _ 8  6 _ 2  _ _ _
+_ _ _  _ 9 _  _ _ _
+3 6 _  7 _ _  _ _ 8
+
+SOLUTION:
+8 3 6  1 7 9  5 2 4
+9 7 4  2 8 5  1 6 3
+5 2 1  4 3 6  9 8 7
+
+4 1 3  5 2 7  8 9 6
+6 9 5  8 4 3  7 1 2
+7 8 2  9 6 1  4 3 5
+
+1 4 8  6 5 2  3 7 9
+2 5 7  3 9 8  6 4 1
+3 6 9  7 1 4  2 5 8
+
+RATING: 2.25
+DATA:
+{"puzzle":[4,6,null,null,0,5,null,null,null,null,null,null,null,null,null,0,null,2,null,null,5,8,null,null,null,null,null,null,null,null,1,null,null,null,8,null,null,3,null,null,null,2,null,6,null,null,null,null,7,null,null,null,null,null,0,null,null,null,4,null,null,null,8,null,1,null,null,2,7,null,null,0,null,null,null,null,null,null,6,4,null],"solution":[4,6,7,2,0,5,8,1,3,1,8,3,4,7,6,0,5,2,2,0,5,8,1,3,4,7,6,5,2,0,1,6,4,3,8,7,7,3,8,0,5,2,1,6,4,6,4,1,7,3,8,2,0,5,0,5,6,3,4,1,7,2,8,8,1,4,6,2,7,5,3,0,3,7,2,5,8,0,6,4,1]}
+PUZZLE:
+5 7 _  _ 1 6  _ _ _
+_ _ _  _ _ _  1 _ 3
+_ _ 6  9 _ _  _ _ _
+
+_ _ _  2 _ _  _ 9 _
+_ 4 _  _ _ 3  _ 7 _
+_ _ _  8 _ _  _ _ _
+
+1 _ _  _ 5 _  _ _ 9
+_ 2 _  _ 3 8  _ _ 1
+_ _ _  _ _ _  7 5 _
+
+SOLUTION:
+5 7 8  3 1 6  9 2 4
+2 9 4  5 8 7  1 6 3
+3 1 6  9 2 4  5 8 7
+
+6 3 1  2 7 5  4 9 8
+8 4 9  1 6 3  2 7 5
+7 5 2  8 4 9  3 1 6
+
+1 6 7  4 5 2  8 3 9
+9 2 5  7 3 8  6 4 1
+4 8 3  6 9 1  7 5 2
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,7,null,6,null,null,2,8,1,null,null,8,null,null,6,null,0,null,null,null,null,null,null,null,4,null,6,2,8,null,1,null,7,null,null,null,null,null,6,2,null,null,null,null,null,null,null,3,null,null,null,null,null,5,null,null,null,5,null,null,null,null,2,null,0,null,null,null,4,0,null,null,null,null],"solution":[0,3,2,1,5,4,8,6,7,7,6,5,3,2,8,1,0,4,8,4,1,6,7,0,3,5,2,5,7,3,0,4,1,6,2,8,4,1,8,7,6,2,0,3,5,6,2,0,5,8,3,4,7,1,3,0,4,2,1,7,5,8,6,1,5,7,8,3,6,2,4,0,2,8,6,4,0,5,7,1,3]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 8
+_ 7 _  _ 3 9  2 _ _
+9 _ _  7 _ 1  _ _ _
+
+_ _ _  _ 5 _  7 3 9
+_ 2 _  8 _ _  _ _ _
+7 3 _  _ _ _  _ _ _
+
+4 _ _  _ _ _  6 _ _
+_ 6 _  _ _ _  3 _ 1
+_ _ _  5 1 _  _ _ _
+
+SOLUTION:
+1 4 3  2 6 5  9 7 8
+8 7 6  4 3 9  2 1 5
+9 5 2  7 8 1  4 6 3
+
+6 8 4  1 5 2  7 3 9
+5 2 9  8 7 3  1 4 6
+7 3 1  6 9 4  5 8 2
+
+4 1 5  3 2 8  6 9 7
+2 6 8  9 4 7  3 5 1
+3 9 7  5 1 6  8 2 4
+
+RATING: 2.75
+DATA:
+{"puzzle":[0,null,4,null,null,1,null,null,null,null,null,null,2,6,null,null,null,8,null,null,null,null,5,8,null,null,null,null,4,null,null,2,null,null,null,null,7,null,null,null,1,null,5,4,null,null,0,null,null,null,5,7,null,6,3,null,1,null,null,null,2,null,null,null,null,8,null,null,null,null,null,1,null,null,null,null,null,null,null,6,4],"solution":[0,8,4,7,3,1,6,2,5,5,1,7,2,6,4,0,3,8,6,2,3,0,5,8,4,1,7,8,4,5,6,2,7,1,0,3,7,3,6,8,1,0,5,4,2,1,0,2,3,4,5,7,8,6,3,7,1,4,8,6,2,5,0,4,6,8,5,0,2,3,7,1,2,5,0,1,7,3,8,6,4]}
+PUZZLE:
+1 _ 5  _ _ 2  _ _ _
+_ _ _  3 7 _  _ _ 9
+_ _ _  _ 6 9  _ _ _
+
+_ 5 _  _ 3 _  _ _ _
+8 _ _  _ 2 _  6 5 _
+_ 1 _  _ _ 6  8 _ 7
+
+4 _ 2  _ _ _  3 _ _
+_ _ 9  _ _ _  _ _ 2
+_ _ _  _ _ _  _ 7 5
+
+SOLUTION:
+1 9 5  8 4 2  7 3 6
+6 2 8  3 7 5  1 4 9
+7 3 4  1 6 9  5 2 8
+
+9 5 6  7 3 8  2 1 4
+8 4 7  9 2 1  6 5 3
+2 1 3  4 5 6  8 9 7
+
+4 8 2  5 9 7  3 6 1
+5 7 9  6 1 3  4 8 2
+3 6 1  2 8 4  9 7 5
+
+RATING: 2
+DATA:
+{"puzzle":[5,null,null,3,null,1,null,7,null,null,null,null,5,null,null,null,null,null,1,null,8,null,7,null,null,null,null,null,null,1,null,null,8,null,null,3,null,7,2,null,0,null,null,8,null,null,null,null,null,null,3,null,null,2,null,null,0,null,2,null,4,null,null,8,null,null,null,null,4,6,null,7,null,1,null,null,null,null,null,null,null],"solution":[5,4,6,3,8,1,2,7,0,0,3,7,5,6,2,1,4,8,1,2,8,4,7,0,3,5,6,4,0,1,2,5,8,7,6,3,3,7,2,1,0,6,5,8,4,6,8,5,7,4,3,0,1,2,7,6,0,8,2,5,4,3,1,8,5,3,0,1,4,6,2,7,2,1,4,6,3,7,8,0,5]}
+PUZZLE:
+6 _ _  4 _ 2  _ 8 _
+_ _ _  6 _ _  _ _ _
+2 _ 9  _ 8 _  _ _ _
+
+_ _ 2  _ _ 9  _ _ 4
+_ 8 3  _ 1 _  _ 9 _
+_ _ _  _ _ 4  _ _ 3
+
+_ _ 1  _ 3 _  5 _ _
+9 _ _  _ _ 5  7 _ 8
+_ 2 _  _ _ _  _ _ _
+
+SOLUTION:
+6 5 7  4 9 2  3 8 1
+1 4 8  6 7 3  2 5 9
+2 3 9  5 8 1  4 6 7
+
+5 1 2  3 6 9  8 7 4
+4 8 3  2 1 7  6 9 5
+7 9 6  8 5 4  1 2 3
+
+8 7 1  9 3 6  5 4 2
+9 6 4  1 2 5  7 3 8
+3 2 5  7 4 8  9 1 6
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,8,0,null,null,null,null,null,null,5,null,null,null,null,null,7,8,null,null,null,6,null,7,null,1,null,0,null,null,null,1,null,6,null,null,3,null,null,null,null,null,null,null,null,4,null,5,null,null,2,null,null,0,null,null,null,null,8,null,0,null,1,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,2,5,null,6],"solution":[7,8,0,2,4,1,3,6,5,5,4,1,0,6,3,7,8,2,3,2,6,5,7,8,1,4,0,4,7,8,1,0,6,2,5,3,0,1,2,3,8,5,6,7,4,6,5,3,4,2,7,8,0,1,2,6,5,8,3,0,4,1,7,1,3,7,6,5,4,0,2,8,8,0,4,7,1,2,5,3,6]}
+PUZZLE:
+_ 9 1  _ _ _  _ _ _
+6 _ _  _ _ _  8 9 _
+_ _ 7  _ 8 _  2 _ 1
+
+_ _ _  2 _ 7  _ _ 4
+_ _ _  _ _ _  _ _ 5
+_ 6 _  _ 3 _  _ 1 _
+
+_ _ _  9 _ 1  _ 2 _
+_ _ _  _ _ _  _ _ _
+_ _ 5  _ _ 3  6 _ 7
+
+SOLUTION:
+8 9 1  3 5 2  4 7 6
+6 5 2  1 7 4  8 9 3
+4 3 7  6 8 9  2 5 1
+
+5 8 9  2 1 7  3 6 4
+1 2 3  4 9 6  7 8 5
+7 6 4  5 3 8  9 1 2
+
+3 7 6  9 4 1  5 2 8
+2 4 8  7 6 5  1 3 9
+9 1 5  8 2 3  6 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,0,null,1,5,null,null,null,null,null,5,null,null,null,3,2,null,null,4,null,2,null,null,null,null,6,null,null,1,null,null,null,null,0,5,null,null,null,6,null,null,null,4,1,null,null,null,null,8,null,null,null,null,null,1,null,null,null,6,null,null,null,8,6,null,null,2,null,null,null,null,null,null,null,null,null,0,null,null],"solution":[8,6,2,0,3,1,5,4,7,7,1,0,5,4,6,8,3,2,3,5,4,8,2,7,1,0,6,6,4,3,1,7,5,2,8,0,5,0,8,2,6,3,7,1,4,1,2,7,4,0,8,3,6,5,4,7,1,3,5,0,6,2,8,0,8,6,7,1,2,4,5,3,2,3,5,6,8,4,0,7,1]}
+PUZZLE:
+9 _ _  1 _ 2  6 _ _
+_ _ _  6 _ _  _ 4 3
+_ _ 5  _ 3 _  _ _ _
+
+7 _ _  2 _ _  _ _ 1
+6 _ _  _ 7 _  _ _ 5
+2 _ _  _ _ 9  _ _ _
+
+_ _ 2  _ _ _  7 _ _
+_ 9 7  _ _ 3  _ _ _
+_ _ _  _ _ _  1 _ _
+
+SOLUTION:
+9 7 3  1 4 2  6 5 8
+8 2 1  6 5 7  9 4 3
+4 6 5  9 3 8  2 1 7
+
+7 5 4  2 8 6  3 9 1
+6 1 9  3 7 4  8 2 5
+2 3 8  5 1 9  4 7 6
+
+5 8 2  4 6 1  7 3 9
+1 9 7  8 2 3  5 6 4
+3 4 6  7 9 5  1 8 2
+
+RATING: 2
+DATA:
+{"puzzle":[null,5,0,null,null,null,null,null,2,null,8,null,1,null,null,null,null,null,null,7,null,8,null,null,null,null,4,null,null,3,4,null,5,null,7,null,null,null,null,null,7,1,null,null,null,null,null,null,null,3,8,6,5,null,null,null,1,null,null,7,5,2,null,5,null,4,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null],"solution":[1,5,0,7,6,4,3,8,2,4,8,2,1,0,3,7,6,5,3,7,6,8,5,2,0,1,4,6,1,3,4,2,5,8,7,0,8,0,5,6,7,1,2,4,3,2,4,7,0,3,8,6,5,1,0,6,1,3,4,7,5,2,8,5,3,4,2,8,6,1,0,7,7,2,8,5,1,0,4,3,6]}
+PUZZLE:
+_ 6 1  _ _ _  _ _ 3
+_ 9 _  2 _ _  _ _ _
+_ 8 _  9 _ _  _ _ 5
+
+_ _ 4  5 _ 6  _ 8 _
+_ _ _  _ 8 2  _ _ _
+_ _ _  _ 4 9  7 6 _
+
+_ _ 2  _ _ 8  6 3 _
+6 _ 5  _ _ _  2 _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+2 6 1  8 7 5  4 9 3
+5 9 3  2 1 4  8 7 6
+4 8 7  9 6 3  1 2 5
+
+7 2 4  5 3 6  9 8 1
+9 1 6  7 8 2  3 5 4
+3 5 8  1 4 9  7 6 2
+
+1 7 2  4 5 8  6 3 9
+6 4 5  3 9 7  2 1 8
+8 3 9  6 2 1  5 4 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,3,1,8,null,null,null,null,null,null,0,null,null,6,1,7,null,8,4,null,null,null,null,5,null,null,null,null,null,null,2,null,null,1,7,null,null,null,null,null,null,null,null,3,null,null,8,null,0,null,null,6,null,null,null,1,5,null,null,7,null,0,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null],"solution":[7,3,1,8,4,2,0,6,5,5,0,2,3,6,1,7,4,8,4,6,8,7,0,5,3,2,1,3,4,6,2,5,8,1,7,0,1,5,0,6,7,4,8,3,2,2,8,7,0,1,3,6,5,4,6,1,5,4,8,7,2,0,3,8,7,3,5,2,0,4,1,6,0,2,4,1,3,6,5,8,7]}
+PUZZLE:
+_ 4 2  9 _ _  _ _ _
+_ 1 _  _ 7 2  8 _ 9
+5 _ _  _ _ 6  _ _ _
+
+_ _ _  3 _ _  2 8 _
+_ _ _  _ _ _  _ 4 _
+_ 9 _  1 _ _  7 _ _
+
+_ 2 6  _ _ 8  _ 1 4
+_ _ _  _ _ _  _ _ _
+_ _ _  _ _ 7  _ _ _
+
+SOLUTION:
+8 4 2  9 5 3  1 7 6
+6 1 3  4 7 2  8 5 9
+5 7 9  8 1 6  4 3 2
+
+4 5 7  3 6 9  2 8 1
+2 6 1  7 8 5  9 4 3
+3 9 8  1 2 4  7 6 5
+
+7 2 6  5 9 8  3 1 4
+9 8 4  6 3 1  5 2 7
+1 3 5  2 4 7  6 9 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,0,3,null,null,8,5,null,null,null,null,null,null,null,null,null,null,7,null,null,null,5,null,null,null,null,4,null,null,null,null,null,1,null,2,null,1,null,null,null,8,null,null,3,3,null,7,null,null,0,null,null,null,null,null,1,2,null,null,null,null,null,null,null,null,null,8,7,3,null,0,5,null,null,null,null,4,null,7,null],"solution":[1,2,0,3,7,6,8,5,4,8,5,3,4,0,1,6,2,7,7,6,4,8,5,2,0,3,1,4,0,6,7,3,5,1,8,2,2,1,5,6,4,8,7,0,3,3,8,7,1,2,0,4,6,5,0,7,1,2,6,3,5,4,8,6,4,2,5,8,7,3,1,0,5,3,8,0,1,4,2,7,6]}
+PUZZLE:
+_ 3 1  4 _ _  9 6 _
+_ _ _  _ _ _  _ _ _
+8 _ _  _ 6 _  _ _ _
+
+5 _ _  _ _ _  2 _ 3
+_ 2 _  _ _ 9  _ _ 4
+4 _ 8  _ _ 1  _ _ _
+
+_ _ 2  3 _ _  _ _ _
+_ _ _  _ 9 8  4 _ 1
+6 _ _  _ _ 5  _ 8 _
+
+SOLUTION:
+2 3 1  4 8 7  9 6 5
+9 6 4  5 1 2  7 3 8
+8 7 5  9 6 3  1 4 2
+
+5 1 7  8 4 6  2 9 3
+3 2 6  7 5 9  8 1 4
+4 9 8  2 3 1  5 7 6
+
+1 8 2  3 7 4  6 5 9
+7 5 3  6 9 8  4 2 1
+6 4 9  1 2 5  3 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,7,1,3,null,null,7,2,null,null,null,5,null,null,8,null,null,null,null,null,null,null,null,null,null,null,0,null,1,null,null,null,null,null,4,null,null,null,null,null,null,0,2,5,4,null,null,8,null,null,1,null,null,null,null,4,null,null,null,null,null,0,null,7,null,null,5,null,null,null,3,6,null,null,null,4,null],"solution":[4,5,6,2,0,7,1,3,8,3,7,2,1,4,8,5,6,0,8,0,1,3,6,5,2,7,4,7,3,8,0,5,1,4,2,6,6,1,4,7,8,2,3,0,5,0,2,5,4,3,6,8,1,7,1,6,7,5,2,4,0,8,3,2,4,0,8,7,3,6,5,1,5,8,3,6,1,0,7,4,2]}
+PUZZLE:
+_ 6 _  _ _ 8  2 4 _
+_ 8 3  _ _ _  6 _ _
+9 _ _  _ _ _  _ _ _
+
+_ _ _  1 _ 2  _ _ _
+_ _ 5  _ _ _  _ _ _
+1 3 6  5 _ _  9 _ _
+
+2 _ _  _ _ 5  _ _ _
+_ _ 1  _ 8 _  _ 6 _
+_ _ 4  7 _ _  _ 5 _
+
+SOLUTION:
+5 6 7  3 1 8  2 4 9
+4 8 3  2 5 9  6 7 1
+9 1 2  4 7 6  3 8 5
+
+8 4 9  1 6 2  5 3 7
+7 2 5  8 9 3  4 1 6
+1 3 6  5 4 7  9 2 8
+
+2 7 8  6 3 5  1 9 4
+3 5 1  9 8 4  7 6 2
+6 9 4  7 2 1  8 5 3
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,1,null,null,6,null,null,null,null,2,null,8,null,null,null,null,7,6,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,7,null,3,1,null,null,2,null,null,5,null,4,7,null,null,1,3,null,1,null,0,null,4,null,null,null,7,null,2,null,null,3,null,5,null,null,null,null,null,null,null,8,null],"solution":[7,1,4,3,6,0,2,5,8,2,3,8,4,1,5,0,7,6,5,0,6,7,2,8,1,4,3,1,6,3,8,5,2,7,0,4,8,4,7,0,3,1,5,6,2,0,2,5,6,4,7,8,3,1,3,8,1,5,0,6,4,2,7,6,7,0,2,8,4,3,1,5,4,5,2,1,7,3,6,8,0]}
+PUZZLE:
+_ 2 _  _ 7 _  _ _ _
+3 _ 9  _ _ _  _ 8 7
+_ _ _  _ 3 _  _ _ _
+
+_ _ _  _ _ _  _ 1 _
+_ _ 8  _ 4 2  _ _ 3
+_ _ 6  _ 5 8  _ _ 2
+
+4 _ 2  _ 1 _  5 _ _
+_ 8 _  3 _ _  4 _ 6
+_ _ _  _ _ _  _ 9 _
+
+SOLUTION:
+8 2 5  4 7 1  3 6 9
+3 4 9  5 2 6  1 8 7
+6 1 7  8 3 9  2 5 4
+
+2 7 4  9 6 3  8 1 5
+9 5 8  1 4 2  6 7 3
+1 3 6  7 5 8  9 4 2
+
+4 9 2  6 1 7  5 3 8
+7 8 1  3 9 5  4 2 6
+5 6 3  2 8 4  7 9 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,6,null,null,null,null,null,null,3,null,null,null,3,1,0,4,null,null,null,null,2,null,null,null,null,null,null,null,null,1,0,null,null,7,null,null,null,null,null,null,null,5,null,null,null,null,null,5,6,null,null,0,2,null,7,null,null,null,null,2,null,5,1,1,null,6,null,null,null,null,8,7,null,2,null,null,null,null,6,null,null],"solution":[0,6,4,2,5,7,8,1,3,8,5,7,3,1,0,4,6,2,3,1,2,8,4,6,5,7,0,6,8,1,0,2,4,7,3,5,2,3,0,7,8,5,1,4,6,4,7,5,6,3,1,0,2,8,7,0,8,4,6,2,3,5,1,1,4,6,5,0,3,2,8,7,5,2,3,1,7,8,6,0,4]}
+PUZZLE:
+_ 7 _  _ _ _  _ _ 4
+_ _ _  4 2 1  5 _ _
+_ _ 3  _ _ _  _ _ _
+
+_ _ 2  1 _ _  8 _ _
+_ _ _  _ _ 6  _ _ _
+_ _ 6  7 _ _  1 3 _
+
+8 _ _  _ _ 3  _ 6 2
+2 _ 7  _ _ _  _ 9 8
+_ 3 _  _ _ _  7 _ _
+
+SOLUTION:
+1 7 5  3 6 8  9 2 4
+9 6 8  4 2 1  5 7 3
+4 2 3  9 5 7  6 8 1
+
+7 9 2  1 3 5  8 4 6
+3 4 1  8 9 6  2 5 7
+5 8 6  7 4 2  1 3 9
+
+8 1 9  5 7 3  4 6 2
+2 5 7  6 1 4  3 9 8
+6 3 4  2 8 9  7 1 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[1,null,null,null,3,null,null,null,null,null,null,null,null,null,7,null,4,6,null,null,null,1,4,null,null,0,null,7,8,null,null,6,null,null,5,null,null,null,null,null,null,null,7,null,null,2,1,null,null,null,null,null,null,null,null,null,0,null,7,null,null,null,null,null,null,null,null,null,null,null,6,5,6,null,null,3,5,1,2,null,null],"solution":[1,5,4,6,3,0,8,2,7,0,3,2,5,8,7,1,4,6,8,6,7,1,4,2,5,0,3,7,8,3,2,6,4,0,5,1,4,0,6,8,1,5,7,3,2,2,1,5,7,0,3,6,8,4,5,2,0,4,7,6,3,1,8,3,7,1,0,2,8,4,6,5,6,4,8,3,5,1,2,7,0]}
+PUZZLE:
+2 _ _  _ 4 _  _ _ _
+_ _ _  _ _ 8  _ 5 7
+_ _ _  2 5 _  _ 1 _
+
+8 9 _  _ 7 _  _ 6 _
+_ _ _  _ _ _  8 _ _
+3 2 _  _ _ _  _ _ _
+
+_ _ 1  _ 8 _  _ _ _
+_ _ _  _ _ _  _ 7 6
+7 _ _  4 6 2  3 _ _
+
+SOLUTION:
+2 6 5  7 4 1  9 3 8
+1 4 3  6 9 8  2 5 7
+9 7 8  2 5 3  6 1 4
+
+8 9 4  3 7 5  1 6 2
+5 1 7  9 2 6  8 4 3
+3 2 6  8 1 4  7 9 5
+
+6 3 1  5 8 7  4 2 9
+4 8 2  1 3 9  5 7 6
+7 5 9  4 6 2  3 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[0,1,7,null,null,null,null,null,8,null,null,null,null,null,null,null,3,7,null,2,null,4,null,null,6,null,null,null,4,null,2,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,7,4,8,1,null,4,null,0,null,null,3,null,null,null,null,null,null,null,null,null,7,null,null,null,null,3,null,8,1,null,null,6],"solution":[0,1,7,6,3,5,4,2,8,5,6,4,1,2,8,0,3,7,3,2,8,4,0,7,6,5,1,8,4,1,2,5,6,3,7,0,7,3,5,8,1,0,2,6,4,6,0,2,3,7,4,8,1,5,4,5,0,7,6,3,1,8,2,1,8,6,5,4,2,7,0,3,2,7,3,0,8,1,5,4,6]}
+PUZZLE:
+1 2 8  _ _ _  _ _ 9
+_ _ _  _ _ _  _ 4 8
+_ 3 _  5 _ _  7 _ _
+
+_ 5 _  3 _ _  _ _ _
+_ _ 6  _ _ _  _ _ _
+_ _ _  _ 8 5  9 2 _
+
+5 _ 1  _ _ 4  _ _ _
+_ _ _  _ _ _  8 _ _
+_ _ 4  _ 9 2  _ _ 7
+
+SOLUTION:
+1 2 8  7 4 6  5 3 9
+6 7 5  2 3 9  1 4 8
+4 3 9  5 1 8  7 6 2
+
+9 5 2  3 6 7  4 8 1
+8 4 6  9 2 1  3 7 5
+7 1 3  4 8 5  9 2 6
+
+5 6 1  8 7 4  2 9 3
+2 9 7  6 5 3  8 1 4
+3 8 4  1 9 2  6 5 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,0,null,null,4,null,null,null,4,null,null,3,0,5,null,null,8,null,null,null,null,null,6,null,null,null,null,4,null,8,1,null,null,7,null,7,null,null,null,3,null,4,null,5,6,3,null,null,5,null,2,8,null,null,null,5,null,null,null,null,null,null,1,6,null,null,null,null,8,null,null,null,null,null,0,null,null,null,null,6],"solution":[3,2,0,7,8,4,5,6,1,4,1,6,3,0,5,7,2,8,8,5,7,1,2,6,0,3,4,5,4,2,8,1,0,6,7,3,7,0,8,6,3,2,4,1,5,6,3,1,4,5,7,2,8,0,0,8,5,2,6,1,3,4,7,1,6,4,5,7,3,8,0,2,2,7,3,0,4,8,1,5,6]}
+PUZZLE:
+_ _ 1  _ _ 5  _ _ _
+5 _ _  4 1 6  _ _ 9
+_ _ _  _ _ 7  _ _ _
+
+_ 5 _  9 2 _  _ 8 _
+8 _ _  _ 4 _  5 _ 6
+7 4 _  _ 6 _  3 9 _
+
+_ _ 6  _ _ _  _ _ _
+2 7 _  _ _ _  9 _ _
+_ _ _  1 _ _  _ _ 7
+
+SOLUTION:
+4 3 1  8 9 5  6 7 2
+5 2 7  4 1 6  8 3 9
+9 6 8  2 3 7  1 4 5
+
+6 5 3  9 2 1  7 8 4
+8 1 9  7 4 3  5 2 6
+7 4 2  5 6 8  3 9 1
+
+1 9 6  3 7 2  4 5 8
+2 7 5  6 8 4  9 1 3
+3 8 4  1 5 9  2 6 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,6,null,null,null,null,null,2,null,null,null,1,7,8,null,null,null,null,8,5,null,null,null,null,null,null,0,null,1,null,null,6,null,4,5,null,null,null,5,null,4,null,2,null,null,null,null,null,3,null,null,6,8,3,null,null,null,null,null,null,null,null,null,null,0,2,null,null,null,3,6,null,null,2,4,null,null,null,1,null],"solution":[7,1,6,3,4,5,8,0,2,2,0,3,1,7,8,6,5,4,4,8,5,0,6,2,3,7,1,0,3,1,8,2,6,7,4,5,6,7,8,5,1,4,0,2,3,5,2,4,7,3,0,1,6,8,3,4,7,6,5,1,2,8,0,1,5,0,2,8,7,4,3,6,8,6,2,4,0,3,5,1,7]}
+PUZZLE:
+_ _ 7  _ _ _  _ _ 3
+_ _ _  2 8 9  _ _ _
+_ 9 6  _ _ _  _ _ _
+
+1 _ 2  _ _ 7  _ 5 6
+_ _ _  6 _ 5  _ 3 _
+_ _ _  _ 4 _  _ 7 9
+
+4 _ _  _ _ _  _ _ _
+_ _ 1  3 _ _  _ 4 7
+_ _ 3  5 _ _  _ 2 _
+
+SOLUTION:
+8 2 7  4 5 6  9 1 3
+3 1 4  2 8 9  7 6 5
+5 9 6  1 7 3  4 8 2
+
+1 4 2  9 3 7  8 5 6
+7 8 9  6 2 5  1 3 4
+6 3 5  8 4 1  2 7 9
+
+4 5 8  7 6 2  3 9 1
+2 6 1  3 9 8  5 4 7
+9 7 3  5 1 4  6 2 8
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,null,null,3,null,null,7,null,null,2,null,1,null,null,4,5,8,null,null,null,8,null,null,null,null,3,null,null,1,null,0,null,6,null,null,null,null,3,null,null,null,null,0,1,4,null,null,null,null,2,null,null,null,null,null,0,null,null,null,null,1,null,1,null,null,null,null,5,8,null,null,null,null,null,2,7,null,null,null,null],"solution":[6,1,8,5,3,4,2,7,0,3,2,7,1,6,0,4,5,8,0,5,4,8,2,7,1,6,3,5,7,1,3,0,8,6,2,4,2,8,3,4,5,6,7,0,1,4,0,6,7,1,2,3,8,5,7,4,0,6,8,3,5,1,2,1,6,2,0,4,5,8,3,7,8,3,5,2,7,1,0,4,6]}
+PUZZLE:
+_ _ _  _ 4 _  _ 8 _
+_ 3 _  2 _ _  5 6 9
+_ _ _  9 _ _  _ _ 4
+
+_ _ 2  _ 1 _  7 _ _
+_ _ 4  _ _ _  _ 1 2
+5 _ _  _ _ 3  _ _ _
+
+_ _ 1  _ _ _  _ 2 _
+2 _ _  _ _ 6  9 _ _
+_ _ _  3 8 _  _ _ _
+
+SOLUTION:
+7 2 9  6 4 5  3 8 1
+4 3 8  2 7 1  5 6 9
+1 6 5  9 3 8  2 7 4
+
+6 8 2  4 1 9  7 3 5
+3 9 4  5 6 7  8 1 2
+5 1 7  8 2 3  4 9 6
+
+8 5 1  7 9 4  6 2 3
+2 7 3  1 5 6  9 4 8
+9 4 6  3 8 2  1 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,1,6,null,null,null,null,0,null,null,null,2,null,4,0,null,null,null,0,null,3,null,null,4,5,6,null,null,6,null,null,null,3,null,null,7,8,null,null,null,null,5,null,null,null,null,3,null,null,null,null,null,2,6,null,null,null,7,null,1,null,8,null,null,8,null,0,6,null,null,null,null],"solution":[3,0,8,2,1,6,7,5,4,4,1,6,5,8,7,3,0,2,7,5,2,3,4,0,6,1,8,0,7,3,8,2,4,5,6,1,2,6,5,1,0,3,8,4,7,8,4,1,6,7,5,2,3,0,1,3,7,4,5,8,0,2,6,6,2,0,7,3,1,4,8,5,5,8,4,0,6,2,1,7,3]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+_ 2 7  _ _ _  _ 1 _
+_ _ 3  _ 5 1  _ _ _
+
+1 _ 4  _ _ 5  6 7 _
+_ 7 _  _ _ 4  _ _ 8
+9 _ _  _ _ 6  _ _ _
+
+_ 4 _  _ _ _  _ 3 7
+_ _ _  8 _ 2  _ 9 _
+_ 9 _  1 7 _  _ _ _
+
+SOLUTION:
+4 1 9  3 2 7  8 6 5
+5 2 7  6 9 8  4 1 3
+8 6 3  4 5 1  7 2 9
+
+1 8 4  9 3 5  6 7 2
+3 7 6  2 1 4  9 5 8
+9 5 2  7 8 6  3 4 1
+
+2 4 8  5 6 9  1 3 7
+7 3 1  8 4 2  5 9 6
+6 9 5  1 7 3  2 8 4
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,5,null,1,2,null,null,5,null,null,null,null,null,null,null,1,7,null,null,null,null,8,null,0,null,null,8,null,null,null,2,3,null,null,null,null,null,null,null,null,null,null,4,null,null,4,null,3,0,null,1,null,null,null,null,null,null,null,null,2,5,1,null,null,6,null,null,null,null,null,null,2,null,0,4,null,null,null,null],"solution":[8,3,6,5,0,1,2,4,7,5,0,2,3,7,4,6,8,1,7,4,1,2,6,8,5,0,3,0,8,7,4,1,2,3,5,6,2,1,3,8,5,6,0,7,4,6,5,4,7,3,0,8,1,2,4,6,0,1,8,3,7,2,5,1,7,8,6,2,5,4,3,0,3,2,5,0,4,7,1,6,8]}
+PUZZLE:
+_ _ _  6 _ 2  3 _ _
+6 _ _  _ _ _  _ _ 2
+8 _ _  _ _ 9  _ 1 _
+
+_ 9 _  _ _ 3  4 _ _
+_ _ _  _ _ _  _ _ 5
+_ _ 5  _ 4 1  _ 2 _
+
+_ _ _  _ _ _  _ 3 6
+2 _ _  7 _ _  _ _ _
+_ 3 _  1 5 _  _ _ _
+
+SOLUTION:
+9 4 7  6 1 2  3 5 8
+6 1 3  4 8 5  7 9 2
+8 5 2  3 7 9  6 1 4
+
+1 9 8  5 2 3  4 6 7
+3 2 4  9 6 7  1 8 5
+7 6 5  8 4 1  9 2 3
+
+5 7 1  2 9 4  8 3 6
+2 8 9  7 3 6  5 4 1
+4 3 6  1 5 8  2 7 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,3,null,null,null,null,2,6,null,null,null,null,null,0,null,null,8,7,null,null,null,null,null,1,null,null,3,8,7,null,4,null,5,null,null,null,null,null,null,null,null,null,null,5,null,2,6,null,null,3,7,null,2,null,null,4,null,null,null,null,8,7,null,3,null,0,null,6,null,null,null,null,6,null,null,null,null,4],"solution":[4,1,0,7,3,6,2,5,8,2,6,5,4,1,8,7,0,3,3,8,7,0,2,5,6,4,1,6,0,3,8,7,1,4,2,5,7,4,2,5,0,3,8,1,6,1,5,8,2,6,4,0,3,7,5,2,6,1,4,7,3,8,0,8,7,4,3,5,0,1,6,2,0,3,1,6,8,2,5,7,4]}
+PUZZLE:
+_ _ _  _ 4 _  _ _ _
+3 7 _  _ _ _  _ 1 _
+_ 9 8  _ _ _  _ _ 2
+
+_ _ 4  9 8 _  5 _ 6
+_ _ _  _ _ _  _ _ _
+_ 6 _  3 7 _  _ 4 8
+
+_ 3 _  _ 5 _  _ _ _
+9 8 _  4 _ 1  _ 7 _
+_ _ _  7 _ _  _ _ 5
+
+SOLUTION:
+5 2 1  8 4 7  3 6 9
+3 7 6  5 2 9  8 1 4
+4 9 8  1 3 6  7 5 2
+
+7 1 4  9 8 2  5 3 6
+8 5 3  6 1 4  9 2 7
+2 6 9  3 7 5  1 4 8
+
+6 3 7  2 5 8  4 9 1
+9 8 5  4 6 1  2 7 3
+1 4 2  7 9 3  6 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,2,null,8,null,7,null,null,null,null,null,null,6,null,null,null,0,null,3,null,null,null,1,null,2,5,7,null,0,6,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,4,3,null,null,null,1,null,3,null,null,1,null,null,null,null,null,null,null,6,null,7,5,null,8,null,null,5,null,null,null,null,null,6,null],"solution":[6,4,2,5,8,0,7,3,1,1,7,5,2,6,3,8,4,0,0,3,8,7,4,1,6,2,5,7,2,0,6,1,4,3,5,8,5,1,3,8,0,2,4,7,6,8,6,4,3,5,7,0,1,2,3,8,7,1,2,6,5,0,4,2,0,6,4,7,5,1,8,3,4,5,1,0,3,8,2,6,7]}
+PUZZLE:
+_ _ 3  _ 9 _  8 _ _
+_ _ _  _ 7 _  _ _ 1
+_ 4 _  _ _ 2  _ 3 6
+
+8 _ 1  7 _ _  _ _ _
+_ _ _  _ _ 3  _ _ _
+_ _ 5  4 _ _  _ 2 _
+
+4 _ _  2 _ _  _ _ _
+_ _ 7  _ 8 6  _ 9 _
+_ 6 _  _ _ _  _ 7 _
+
+SOLUTION:
+7 5 3  6 9 1  8 4 2
+2 8 6  3 7 4  9 5 1
+1 4 9  8 5 2  7 3 6
+
+8 3 1  7 2 5  4 6 9
+6 2 4  9 1 3  5 8 7
+9 7 5  4 6 8  1 2 3
+
+4 9 8  2 3 7  6 1 5
+3 1 7  5 8 6  2 9 4
+5 6 2  1 4 9  3 7 8
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,3,null,null,7,0,null,null,null,null,null,null,2,null,null,3,null,null,null,null,null,5,0,8,null,null,4,null,2,null,7,null,null,null,0,null,null,null,1,null,null,7,5,null,null,null,null,null,8,3,1,null,null,7,6,null,null,null,null,null,null,6,null,null,0,null,null,null,null,8,null,1,5,null,null,null,null],"solution":[5,1,2,8,0,3,6,4,7,0,4,8,6,7,5,3,2,1,6,3,7,2,4,1,8,5,0,8,6,1,4,3,2,0,7,5,3,2,0,5,8,7,1,6,4,7,5,4,0,1,6,2,8,3,1,0,5,7,6,8,4,3,2,4,7,6,3,2,0,5,1,8,2,8,3,1,5,4,7,0,6]}
+PUZZLE:
+_ _ _  _ _ 4  _ _ 8
+1 _ _  _ _ _  _ 3 _
+_ 4 _  _ _ _  _ 6 1
+
+9 _ _  5 _ 3  _ 8 _
+_ _ 1  _ _ _  2 _ _
+8 6 _  _ _ _  _ 9 4
+
+2 _ _  8 7 _  _ _ _
+_ _ 7  _ _ 1  _ _ _
+_ 9 _  2 6 _  _ _ _
+
+SOLUTION:
+6 2 3  9 1 4  7 5 8
+1 5 9  7 8 6  4 3 2
+7 4 8  3 5 2  9 6 1
+
+9 7 2  5 4 3  1 8 6
+4 3 1  6 9 8  2 7 5
+8 6 5  1 2 7  3 9 4
+
+2 1 6  8 7 9  5 4 3
+5 8 7  4 3 1  6 2 9
+3 9 4  2 6 5  8 1 7
+
+RATING: 3.25
+DATA:
+{"puzzle":[7,null,null,null,null,null,null,4,8,null,null,6,null,null,null,null,0,null,null,null,2,3,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,5,6,null,null,null,0,null,null,null,0,null,1,3,null,7,1,null,null,null,null,null,null,null,6,null,0,null,null,null,8,null,7,null,2,null,null,null,5,null,null,null,null],"solution":[7,3,0,6,1,5,2,4,8,5,1,6,2,8,4,7,0,3,4,8,2,3,7,0,6,1,5,0,6,1,8,3,7,4,5,2,3,7,4,5,6,2,1,8,0,8,2,5,0,4,1,3,6,7,1,5,7,4,0,3,8,2,6,6,0,3,1,2,8,5,7,4,2,4,8,7,5,6,0,3,1]}
+PUZZLE:
+8 _ _  _ _ _  _ 5 9
+_ _ 7  _ _ _  _ 1 _
+_ _ 3  4 8 _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+_ _ 5  6 7 _  _ _ 1
+_ _ _  1 _ 2  4 _ 8
+
+2 _ _  _ _ _  _ _ 7
+_ 1 _  _ _ 9  _ 8 _
+3 _ _  _ 6 _  _ _ _
+
+SOLUTION:
+8 4 1  7 2 6  3 5 9
+6 2 7  3 9 5  8 1 4
+5 9 3  4 8 1  7 2 6
+
+1 7 2  9 4 8  5 6 3
+4 8 5  6 7 3  2 9 1
+9 3 6  1 5 2  4 7 8
+
+2 6 8  5 1 4  9 3 7
+7 1 4  2 3 9  6 8 5
+3 5 9  8 6 7  1 4 2
+
+RATING: 4.5
+DATA:
+{"puzzle":[null,null,null,null,null,7,2,null,null,4,null,null,1,3,null,null,6,null,null,null,null,4,5,null,null,1,null,null,8,null,null,0,null,null,null,null,null,2,5,null,6,null,0,null,8,null,null,1,3,null,null,null,null,5,null,null,null,null,null,6,null,null,1,null,null,4,0,null,null,null,null,null,2,3,null,null,null,null,null,null,null],"solution":[1,0,3,6,8,7,2,5,4,4,5,8,1,3,2,7,6,0,7,6,2,4,5,0,8,1,3,6,8,7,5,0,4,1,3,2,3,2,5,7,6,1,0,4,8,0,4,1,3,2,8,6,7,5,5,7,0,2,4,6,3,8,1,8,1,4,0,7,3,5,2,6,2,3,6,8,1,5,4,0,7]}
+PUZZLE:
+_ _ _  _ _ 8  3 _ _
+5 _ _  2 4 _  _ 7 _
+_ _ _  5 6 _  _ 2 _
+
+_ 9 _  _ 1 _  _ _ _
+_ 3 6  _ 7 _  1 _ 9
+_ _ 2  4 _ _  _ _ 6
+
+_ _ _  _ _ 7  _ _ 2
+_ _ 5  1 _ _  _ _ _
+3 4 _  _ _ _  _ _ _
+
+SOLUTION:
+2 1 4  7 9 8  3 6 5
+5 6 9  2 4 3  8 7 1
+8 7 3  5 6 1  9 2 4
+
+7 9 8  6 1 5  2 4 3
+4 3 6  8 7 2  1 5 9
+1 5 2  4 3 9  7 8 6
+
+6 8 1  3 5 7  4 9 2
+9 2 5  1 8 4  6 3 7
+3 4 7  9 2 6  5 1 8
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,4,null,1,0,6,null,null,null,null,null,null,8,5,null,null,6,5,null,null,null,null,4,null,null,null,0,2,null,null,null,8,null,4,null,null,5,null,null,null,2,1,null,null,3,null,6,null,4,null,null,null,null,2,3,null,null,5,null,null,null,null,null,null,8,0,null,null,null,null,null,null,null,null,null,null,null,0],"solution":[3,2,8,7,4,5,1,0,6,1,0,4,6,2,3,8,5,7,7,6,5,8,0,1,3,4,2,5,7,0,2,1,4,6,8,3,4,8,6,5,3,7,0,2,1,2,1,3,0,6,8,4,7,5,0,4,2,3,7,6,5,1,8,6,5,7,1,8,0,2,3,4,8,3,1,4,5,2,7,6,0]}
+PUZZLE:
+_ _ _  _ 5 _  2 1 7
+_ _ _  _ _ _  9 6 _
+_ 7 6  _ _ _  _ 5 _
+
+_ _ 1  3 _ _  _ 9 _
+5 _ _  6 _ _  _ 3 2
+_ _ 4  _ 7 _  5 _ _
+
+_ _ 3  4 _ _  6 _ _
+_ _ _  _ 9 1  _ _ _
+_ _ _  _ _ _  _ _ 1
+
+SOLUTION:
+4 3 9  8 5 6  2 1 7
+2 1 5  7 3 4  9 6 8
+8 7 6  9 1 2  4 5 3
+
+6 8 1  3 2 5  7 9 4
+5 9 7  6 4 8  1 3 2
+3 2 4  1 7 9  5 8 6
+
+1 5 3  4 8 7  6 2 9
+7 6 8  2 9 1  3 4 5
+9 4 2  5 6 3  8 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,2,null,null,7,null,null,null,0,null,null,3,null,null,8,1,null,null,8,7,null,null,3,null,null,8,null,null,6,2,null,null,0,null,0,5,null,null,null,null,null,null,null,null,null,null,null,5,3,null,null,null,null,null,null,8,null,null,null,6,null,null,2,5,null,null,null,null,null,null,1,null,null,null,null,7,null,null],"solution":[4,3,8,6,2,0,1,7,5,2,7,0,1,5,3,4,6,8,1,5,6,8,7,4,0,3,2,3,8,1,7,6,2,5,4,0,7,0,5,4,3,8,6,2,1,6,2,4,0,1,5,3,8,7,5,4,7,3,8,1,2,0,6,0,6,2,5,4,7,8,1,3,8,1,3,2,0,6,7,5,4]}
+PUZZLE:
+5 _ _  _ 3 _  _ 8 _
+_ _ 1  _ _ 4  _ _ 9
+2 _ _  9 8 _  _ 4 _
+
+_ 9 _  _ 7 3  _ _ 1
+_ 1 6  _ _ _  _ _ _
+_ _ _  _ _ 6  4 _ _
+
+_ _ _  _ 9 _  _ _ 7
+_ _ 3  6 _ _  _ _ _
+_ 2 _  _ _ _  8 _ _
+
+SOLUTION:
+5 4 9  7 3 1  2 8 6
+3 8 1  2 6 4  5 7 9
+2 6 7  9 8 5  1 4 3
+
+4 9 2  8 7 3  6 5 1
+8 1 6  5 4 9  7 3 2
+7 3 5  1 2 6  4 9 8
+
+6 5 8  4 9 2  3 1 7
+1 7 3  6 5 8  9 2 4
+9 2 4  3 1 7  8 6 5
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,4,null,null,null,2,null,null,5,null,null,null,null,3,0,null,null,null,null,null,null,null,1,null,null,8,3,null,null,null,7,null,5,6,null,null,null,null,1,null,null,null,null,null,0,null,null,5,2,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,4,null,8,null,null,6,null,0,null,null,6,null,3,null,null],"solution":[1,6,4,0,8,7,2,3,5,5,2,8,6,4,3,0,7,1,7,3,0,2,5,1,6,4,8,3,1,2,8,7,4,5,6,0,4,5,6,1,3,0,7,8,2,0,8,7,5,2,6,4,1,3,6,4,5,3,1,2,8,0,7,2,7,3,4,0,8,1,5,6,8,0,1,7,6,5,3,2,4]}
+PUZZLE:
+_ _ 5  _ _ _  3 _ _
+6 _ _  _ _ 4  1 _ _
+_ _ _  _ _ 2  _ _ 9
+
+4 _ _  _ 8 _  6 7 _
+_ _ _  2 _ _  _ _ _
+1 _ _  6 3 _  _ _ _
+
+_ 5 _  _ _ _  _ _ _
+_ _ _  5 _ 9  _ _ 7
+_ 1 _  _ 7 _  4 _ _
+
+SOLUTION:
+2 7 5  1 9 8  3 4 6
+6 3 9  7 5 4  1 8 2
+8 4 1  3 6 2  7 5 9
+
+4 2 3  9 8 5  6 7 1
+5 6 7  2 4 1  8 9 3
+1 9 8  6 3 7  5 2 4
+
+7 5 6  4 2 3  9 1 8
+3 8 4  5 1 9  2 6 7
+9 1 2  8 7 6  4 3 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,2,null,null,4,0,8,null,null,null,4,null,7,null,null,3,null,null,0,null,null,null,null,5,4,null,7,2,null,null,null,null,null,null,8,6,null,null,null,null,null,null,null,null,null,null,null,null,3,null,1,0,null,null,null,null,null,null,null,null,null,7,null,null,1,null,null,null,null,null,null,2,5,null,7,null,6,null,null,null,null],"solution":[7,2,3,1,4,0,8,6,5,1,4,5,7,8,6,3,2,0,0,6,8,2,3,5,4,1,7,2,3,1,5,0,4,7,8,6,4,5,0,6,7,8,2,3,1,8,7,6,3,2,1,0,5,4,6,0,2,4,1,3,5,7,8,3,1,4,8,5,7,6,0,2,5,8,7,0,6,2,1,4,3]}
+PUZZLE:
+_ 3 _  _ 5 1  9 _ _
+_ 5 _  8 _ _  4 _ _
+1 _ _  _ _ 6  5 _ 8
+
+3 _ _  _ _ _  _ 9 7
+_ _ _  _ _ _  _ _ _
+_ _ _  4 _ 2  1 _ _
+
+_ _ _  _ _ _  _ 8 _
+_ 2 _  _ _ _  _ _ 3
+6 _ 8  _ 7 _  _ _ _
+
+SOLUTION:
+8 3 4  2 5 1  9 7 6
+2 5 6  8 9 7  4 3 1
+1 7 9  3 4 6  5 2 8
+
+3 4 2  6 1 5  8 9 7
+5 6 1  7 8 9  3 4 2
+9 8 7  4 3 2  1 6 5
+
+7 1 3  5 2 4  6 8 9
+4 2 5  9 6 8  7 1 3
+6 9 8  1 7 3  2 5 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,7,2,null,null,1,7,null,null,null,null,4,null,null,null,null,2,null,null,5,null,null,7,null,null,null,null,null,null,null,5,8,null,null,null,2,null,6,null,null,null,null,null,0,null,8,3,null,null,6,null,1,3,null,null,null,null,null,5,4,0,7,null,null,null,1,0,null,null,null,null,null,null,null,null],"solution":[4,3,5,8,6,0,1,7,2,6,2,1,7,5,3,0,8,4,7,0,8,4,2,1,6,5,3,3,7,6,5,4,8,2,1,0,5,8,0,3,1,2,4,6,7,1,4,2,6,0,7,8,3,5,2,6,7,1,3,4,5,0,8,8,5,4,0,7,6,3,2,1,0,1,3,2,8,5,7,4,6]}
+PUZZLE:
+_ _ _  _ _ _  _ 8 3
+_ _ 2  8 _ _  _ _ 5
+_ _ _  _ 3 _  _ 6 _
+
+_ 8 _  _ _ _  _ _ _
+6 9 _  _ _ 3  _ 7 _
+_ _ _  _ 1 _  9 4 _
+
+_ 7 _  2 4 _  _ _ _
+_ 6 5  1 8 _  _ _ 2
+1 _ _  _ _ _  _ _ _
+
+SOLUTION:
+5 4 6  9 7 1  2 8 3
+7 3 2  8 6 4  1 9 5
+8 1 9  5 3 2  7 6 4
+
+4 8 7  6 5 9  3 2 1
+6 9 1  4 2 3  5 7 8
+2 5 3  7 1 8  9 4 6
+
+3 7 8  2 4 5  6 1 9
+9 6 5  1 8 7  4 3 2
+1 2 4  3 9 6  8 5 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[5,null,6,null,7,4,null,null,null,null,null,null,5,null,null,null,null,7,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,null,2,0,1,null,0,null,5,null,null,null,null,7,4,null,null,4,null,6,8,2,null,null,null,0,2,null,null,null,3,null,null,null,null,null,null,4,null,null,null,null],"solution":[5,3,6,8,7,4,1,2,0,2,1,0,5,3,6,4,8,7,4,7,8,0,2,1,5,6,3,1,8,7,4,0,5,6,3,2,6,4,3,7,8,2,0,1,5,0,2,5,6,1,3,8,7,4,7,5,4,3,6,8,2,0,1,8,0,2,1,5,7,3,4,6,3,6,1,2,4,0,7,5,8]}
+PUZZLE:
+6 _ 7  _ 8 5  _ _ _
+_ _ _  6 _ _  _ _ 8
+_ _ 9  _ _ _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+_ _ _  8 _ 3  1 2 _
+1 _ 6  _ _ _  _ 8 5
+
+_ _ 5  _ 7 9  3 _ _
+_ 1 3  _ _ _  4 _ _
+_ _ _  _ 5 _  _ _ _
+
+SOLUTION:
+6 4 7  9 8 5  2 3 1
+3 2 1  6 4 7  5 9 8
+5 8 9  1 3 2  6 7 4
+
+2 9 8  5 1 6  7 4 3
+7 5 4  8 9 3  1 2 6
+1 3 6  7 2 4  9 8 5
+
+8 6 5  4 7 9  3 1 2
+9 1 3  2 6 8  4 5 7
 4 7 2  3 5 1  8 6 9
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,5,1,null,7,null,3,null,null,1,6,null,null,null,null,4,3,null,null,null,7,4,null,null,null,null,7,null,2,null,null,5,null,null,null,null,0,null,null,null,null,null,1,null,6,null,null,null,null,null,null,null,2,null,null,null,5,null,null,3,null,null,null,null,null,null,2,0,null,null,null,null,4,null,8,null,1,7,null],"solution":[6,4,2,5,1,8,7,0,3,7,0,1,6,2,3,8,5,4,3,8,5,0,7,4,2,1,6,4,7,3,2,6,1,5,8,0,5,2,0,8,3,7,6,4,1,1,6,8,4,0,5,3,2,7,2,1,6,7,5,0,4,3,8,8,3,7,1,4,2,0,6,5,0,5,4,3,8,6,1,7,2]}
+{"puzzle":[null,4,3,null,null,null,8,null,null,5,null,null,null,null,2,null,null,0,null,null,7,null,4,null,null,null,null,2,null,0,null,null,null,4,null,8,null,null,null,null,null,1,null,null,null,null,6,null,null,null,4,null,0,2,3,5,null,8,null,null,null,null,null,null,null,null,0,null,null,null,8,null,null,null,2,null,5,6,null,null,null],"solution":[1,4,3,5,7,0,8,2,6,5,8,6,1,3,2,7,4,0,0,2,7,6,4,8,5,1,3,2,1,0,7,6,5,4,3,8,4,3,8,2,0,1,6,5,7,7,6,5,3,8,4,1,0,2,3,5,1,8,2,7,0,6,4,6,7,4,0,1,3,2,8,5,8,0,2,4,5,6,3,7,1]}
 PUZZLE:
-_ _ _  6 2 _  8 _ 4
-_ _ 2  7 _ _  _ _ 5
-4 _ _  _ 8 5  _ _ _
+_ 5 4  _ _ _  9 _ _
+6 _ _  _ _ 3  _ _ 1
+_ _ 8  _ 5 _  _ _ _
 
-_ 8 _  3 _ _  6 _ _
-_ _ 1  _ _ _  _ _ 2
-_ 7 _  _ _ _  _ _ _
+3 _ 1  _ _ _  5 _ 9
+_ _ _  _ _ 2  _ _ _
+_ 7 _  _ _ 5  _ 1 3
 
-3 _ _  _ 6 _  _ 4 _
-_ _ _  _ _ 3  1 _ _
-_ _ 5  _ 9 _  2 8 _
+4 6 _  9 _ _  _ _ _
+_ _ _  1 _ _  _ 9 _
+_ _ 3  _ 6 7  _ _ _
 
 SOLUTION:
-7 5 3  6 2 9  8 1 4
-8 1 2  7 3 4  9 6 5
-4 9 6  1 8 5  3 2 7
+2 5 4  6 8 1  9 3 7
+6 9 7  2 4 3  8 5 1
+1 3 8  7 5 9  6 2 4
 
-5 8 4  3 7 2  6 9 1
-6 3 1  9 4 8  7 5 2
-2 7 9  5 1 6  4 3 8
+3 2 1  8 7 6  5 4 9
+5 4 9  3 1 2  7 6 8
+8 7 6  4 9 5  2 1 3
 
-3 2 7  8 6 1  5 4 9
-9 4 8  2 5 3  1 7 6
-1 6 5  4 9 7  2 8 3
+4 6 2  9 3 8  1 7 5
+7 8 5  1 2 4  3 9 6
+9 1 3  5 6 7  4 8 2
 
-RATING: 4
+RATING: 1.5
 DATA:
-{"puzzle":[null,null,null,7,null,null,null,null,null,6,4,0,null,null,1,null,null,null,null,null,null,6,4,null,1,5,null,null,null,null,3,null,null,null,1,null,2,null,null,null,null,null,null,6,8,0,6,null,null,null,null,5,4,null,null,8,4,null,null,2,6,null,null,null,null,null,null,null,3,null,null,null,null,1,null,null,7,null,null,null,5],"solution":[1,2,5,7,3,8,4,0,6,6,4,0,5,2,1,3,8,7,8,7,3,6,4,0,1,5,2,4,5,7,3,8,6,2,1,0,2,3,1,4,0,5,7,6,8,0,6,8,2,1,7,5,4,3,7,8,4,0,5,2,6,3,1,5,0,2,1,6,3,8,7,4,3,1,6,8,7,4,0,2,5]}
+{"puzzle":[null,null,8,null,4,null,null,null,7,null,6,null,0,null,null,null,null,1,null,null,null,null,null,2,5,null,3,7,3,null,2,6,1,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,1,7,null,null,null,null,null,null,null,null,6,null,null,null,4,8,null,null,2,null,null,null,null,0,null,null,3,4,null,null],"solution":[3,0,8,1,4,5,6,2,7,5,6,2,0,3,7,8,4,1,4,1,7,6,8,2,5,0,3,7,3,5,2,6,1,0,8,4,2,4,1,7,0,8,3,5,6,0,8,6,3,5,4,1,7,2,8,2,3,4,1,0,7,6,5,1,5,4,8,7,6,2,3,0,6,7,0,5,2,3,4,1,8]}
 PUZZLE:
-_ _ _  8 _ _  _ _ _
-7 5 1  _ _ 2  _ _ _
-_ _ _  7 5 _  2 6 _
+_ _ 9  _ 5 _  _ _ 8
+_ 7 _  1 _ _  _ _ 2
+_ _ _  _ _ 3  6 _ 4
 
-_ _ _  4 _ _  _ 2 _
-3 _ _  _ _ _  _ 7 9
-1 7 _  _ _ _  6 5 _
+8 4 _  3 7 2  _ _ _
+_ _ _  _ _ _  _ _ _
+_ 9 _  _ _ _  2 8 _
 
-_ 9 5  _ _ 3  7 _ _
-_ _ _  _ _ 4  _ _ _
-_ 2 _  _ 8 _  _ _ 6
+_ _ _  _ _ _  _ 7 _
+_ _ 5  9 _ _  3 _ _
+_ _ 1  _ _ 4  5 _ _
 
 SOLUTION:
-2 3 6  8 4 9  5 1 7
-7 5 1  6 3 2  4 9 8
-9 8 4  7 5 1  2 6 3
+4 1 9  2 5 6  7 3 8
+6 7 3  1 4 8  9 5 2
+5 2 8  7 9 3  6 1 4
 
-5 6 8  4 9 7  3 2 1
-3 4 2  5 1 6  8 7 9
-1 7 9  3 2 8  6 5 4
+8 4 6  3 7 2  1 9 5
+3 5 2  8 1 9  4 6 7
+1 9 7  4 6 5  2 8 3
 
-8 9 5  1 6 3  7 4 2
-6 1 3  2 7 4  9 8 5
-4 2 7  9 8 5  1 3 6
-
-RATING: 1.75
-DATA:
-{"puzzle":[1,2,null,6,null,null,null,null,8,0,null,null,null,null,null,5,null,null,5,null,8,null,1,null,null,0,null,null,7,null,3,null,5,null,null,2,null,null,null,null,null,null,6,null,null,null,null,null,7,null,null,null,null,null,8,5,null,null,null,2,null,null,null,null,null,null,null,null,null,0,null,6,6,null,1,null,null,null,4,null,null],"solution":[1,2,3,6,5,0,7,4,8,0,4,7,2,3,8,5,6,1,5,6,8,4,1,7,2,0,3,4,7,6,3,0,5,8,1,2,3,8,5,1,2,4,6,7,0,2,1,0,7,8,6,3,5,4,8,5,4,0,6,2,1,3,7,7,3,2,5,4,1,0,8,6,6,0,1,8,7,3,4,2,5]}
-PUZZLE:
-2 3 _  7 _ _  _ _ 9
-1 _ _  _ _ _  6 _ _
-6 _ 9  _ 2 _  _ 1 _
-
-_ 8 _  4 _ 6  _ _ 3
-_ _ _  _ _ _  7 _ _
-_ _ _  8 _ _  _ _ _
-
-9 6 _  _ _ 3  _ _ _
-_ _ _  _ _ _  1 _ 7
-7 _ 2  _ _ _  5 _ _
-
-SOLUTION:
-2 3 4  7 6 1  8 5 9
-1 5 8  3 4 9  6 7 2
-6 7 9  5 2 8  3 1 4
-
-5 8 7  4 1 6  9 2 3
-4 9 6  2 3 5  7 8 1
-3 2 1  8 9 7  4 6 5
-
-9 6 5  1 7 3  2 4 8
-8 4 3  6 5 2  1 9 7
-7 1 2  9 8 4  5 3 6
+9 3 4  5 2 1  8 7 6
+2 6 5  9 8 7  3 4 1
+7 8 1  6 3 4  5 2 9
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,3,null,0,null,6,null,null,8,null,null,null,null,null,null,null,2,null,4,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,6,5,8,3,7,null,null,null,null,7,null,null,4,6,null,0,null,4,null,8,6,null,null,2,null,null,null,3,0,null,null,null,5,7,8,null,null,null,null,null,null,null,null,null],"solution":[7,5,1,3,2,0,8,6,4,3,8,6,4,5,1,0,2,7,2,0,4,7,6,8,1,5,3,1,4,3,5,0,2,7,8,6,0,6,5,8,3,7,4,1,2,8,7,2,1,4,6,3,0,5,4,1,8,6,7,5,2,3,0,6,3,0,2,1,4,5,7,8,5,2,7,0,8,3,6,4,1]}
+{"puzzle":[null,null,null,null,null,0,null,null,null,null,null,null,null,1,null,null,4,null,7,null,0,null,null,6,3,null,2,null,null,1,3,null,null,4,7,null,5,6,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,3,2,1,null,null,null,null,null,null,1,null,7,null,null,null,8,null,null,null,null,6,null,4,0,null,null],"solution":[1,4,5,2,3,0,7,6,8,6,2,3,8,1,7,5,4,0,7,8,0,5,4,6,3,1,2,2,0,1,3,8,5,4,7,6,5,6,4,0,7,1,8,2,3,3,7,8,4,6,2,1,0,5,4,3,2,1,0,8,6,5,7,0,1,6,7,5,3,2,8,4,8,5,7,6,2,4,0,3,1]}
 PUZZLE:
-_ _ _  4 _ 1  _ 7 _
-_ 9 _  _ _ _  _ _ _
-3 _ 5  _ _ _  _ 6 _
+_ _ _  _ _ 1  _ _ _
+_ _ _  _ 2 _  _ 5 _
+8 _ 1  _ _ 7  4 _ 3
 
-_ _ _  _ _ _  _ _ _
-_ 7 6  9 4 8  _ _ _
-_ 8 _  _ 5 7  _ 1 _
-
-5 _ 9  7 _ _  3 _ _
-_ 4 1  _ _ _  6 8 9
+_ _ 2  4 _ _  5 8 _
+6 7 _  _ _ _  _ 3 _
 _ _ _  _ _ _  _ _ _
 
-SOLUTION:
-8 6 2  4 3 1  9 7 5
-4 9 7  5 6 2  1 3 8
-3 1 5  8 7 9  2 6 4
-
-2 5 4  6 1 3  8 9 7
-1 7 6  9 4 8  5 2 3
-9 8 3  2 5 7  4 1 6
-
-5 2 9  7 8 6  3 4 1
-7 4 1  3 2 5  6 8 9
-6 3 8  1 9 4  7 5 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,5,null,null,6,null,null,null,0,4,null,null,null,null,null,8,5,null,2,null,7,null,null,3,7,null,4,null,null,5,1,null,8,null,null,null,null,3,null,null,null,null,null,8,2,null,null,null,null,null,null,4,null,null,null,null,6,null,null,null,null,null,null,null,null,null,7,2,null,null,null,null,8,null,null,6,null,1],"solution":[2,4,3,1,5,0,8,6,7,6,7,0,4,8,3,5,1,2,8,5,1,2,6,7,4,0,3,7,0,4,6,2,5,1,3,8,5,1,6,0,3,8,2,7,4,3,8,2,7,4,1,0,5,6,4,2,7,5,1,6,3,8,0,1,6,8,3,0,4,7,2,5,0,3,5,8,7,2,6,4,1]}
-PUZZLE:
-_ _ _  _ 6 _  _ 7 _
-_ _ 1  5 _ _  _ _ _
-9 6 _  3 _ 8  _ _ 4
-
-8 _ 5  _ _ 6  2 _ 9
-_ _ _  _ 4 _  _ _ _
-_ 9 3  _ _ _  _ _ _
-
-5 _ _  _ _ 7  _ _ _
-_ _ _  _ _ _  8 3 _
-_ _ _  9 _ _  7 _ 2
+_ 4 3  2 _ _  _ _ _
+_ 2 _  8 _ _  _ 9 _
+_ _ _  7 _ 5  1 _ _
 
 SOLUTION:
-3 5 4  2 6 1  9 7 8
-7 8 1  5 9 4  6 2 3
-9 6 2  3 7 8  5 1 4
+2 5 6  3 4 1  8 7 9
+7 3 4  9 2 8  6 5 1
+8 9 1  6 5 7  4 2 3
 
-8 1 5  7 3 6  2 4 9
-6 2 7  1 4 9  3 8 5
-4 9 3  8 5 2  1 6 7
+3 1 2  4 9 6  5 8 7
+6 7 5  1 8 2  9 3 4
+4 8 9  5 7 3  2 1 6
 
-5 3 8  6 2 7  4 9 1
-2 7 9  4 1 5  8 3 6
-1 4 6  9 8 3  7 5 2
-
-RATING: 1
-DATA:
-{"puzzle":[4,null,3,null,0,null,null,null,null,6,null,null,null,null,null,null,2,null,1,null,null,3,null,null,null,6,null,null,null,5,null,null,0,null,8,6,null,null,null,8,null,null,null,null,null,null,null,null,null,4,null,null,null,7,null,7,null,null,null,4,0,null,8,null,1,null,null,null,7,null,null,null,null,0,6,null,null,5,null,null,2],"solution":[4,5,3,2,0,6,8,7,1,6,8,7,4,5,1,3,2,0,1,2,0,3,7,8,5,6,4,2,3,5,7,1,0,4,8,6,7,4,1,8,6,3,2,0,5,0,6,8,5,4,2,1,3,7,5,7,2,6,3,4,0,1,8,8,1,4,0,2,7,6,5,3,3,0,6,1,8,5,7,4,2]}
-PUZZLE:
-5 _ 4  _ 1 _  _ _ _
-7 _ _  _ _ _  _ 3 _
-2 _ _  4 _ _  _ 7 _
-
-_ _ 6  _ _ 1  _ 9 7
-_ _ _  9 _ _  _ _ _
-_ _ _  _ 5 _  _ _ 8
-
-_ 8 _  _ _ 5  1 _ 9
-_ 2 _  _ _ 8  _ _ _
-_ 1 7  _ _ 6  _ _ 3
-
-SOLUTION:
-5 6 4  3 1 7  9 8 2
-7 9 8  5 6 2  4 3 1
-2 3 1  4 8 9  6 7 5
-
-3 4 6  8 2 1  5 9 7
-8 5 2  9 7 4  3 1 6
-1 7 9  6 5 3  2 4 8
-
-6 8 3  7 4 5  1 2 9
-9 2 5  1 3 8  7 6 4
-4 1 7  2 9 6  8 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,2,5,null,null,null,null,null,8,6,null,null,7,2,4,null,null,null,null,null,null,null,null,null,null,2,null,3,null,null,null,8,7,null,null,2,null,null,null,null,null,null,6,5,null,1,null,null,null,null,null,1,null,6,null,null,null,null,null,null,0,null,null,7,null,null,3,null,6,null,null,null,null,null,null,4,0],"solution":[0,8,7,1,4,2,5,6,3,3,5,1,8,6,0,4,7,2,4,2,6,3,5,7,8,0,1,1,4,2,7,3,6,0,5,8,7,3,0,2,8,5,6,1,4,8,6,5,0,1,4,3,2,7,2,1,4,6,0,3,7,8,5,5,0,8,4,7,1,2,3,6,6,7,3,5,2,8,1,4,0]}
-PUZZLE:
-_ _ _  2 _ 3  6 _ _
-_ _ _  9 7 _  _ 8 3
-5 _ _  _ _ _  _ _ _
-
-_ _ 3  _ 4 _  _ _ 9
-8 _ _  3 _ _  _ _ _
-_ 7 6  _ 2 _  _ _ _
-
-_ 2 _  7 _ _  _ _ _
-_ 1 _  _ 8 _  _ 4 _
-7 _ _  _ _ _  _ 5 1
-
-SOLUTION:
-1 9 8  2 5 3  6 7 4
-4 6 2  9 7 1  5 8 3
-5 3 7  4 6 8  9 1 2
-
-2 5 3  8 4 7  1 6 9
-8 4 1  3 9 6  7 2 5
-9 7 6  1 2 5  4 3 8
-
-3 2 5  7 1 4  8 9 6
-6 1 9  5 8 2  3 4 7
-7 8 4  6 3 9  2 5 1
-
-RATING: 4
-DATA:
-{"puzzle":[null,null,null,null,null,6,null,null,null,4,2,7,8,null,1,null,null,null,8,6,null,null,5,null,null,0,null,null,3,null,null,null,null,null,null,null,6,null,null,4,1,5,null,null,2,null,null,null,0,2,null,null,null,null,null,8,3,null,null,null,null,null,null,null,5,null,null,4,null,0,null,null,null,null,null,null,null,null,5,7,null],"solution":[3,0,5,2,7,6,8,1,4,4,2,7,8,0,1,6,3,5,8,6,1,3,5,4,2,0,7,2,3,4,6,8,7,1,5,0,6,7,0,4,1,5,3,8,2,5,1,8,0,2,3,7,4,6,7,8,3,5,6,0,4,2,1,1,5,2,7,4,8,0,6,3,0,4,6,1,3,2,5,7,8]}
-PUZZLE:
-_ _ _  _ _ 7  _ _ _
-5 3 8  9 _ 2  _ _ _
-9 7 _  _ 6 _  _ 1 _
-
-_ 4 _  _ _ _  _ _ _
-7 _ _  5 2 6  _ _ 3
-_ _ _  1 3 _  _ _ _
-
-_ 9 4  _ _ _  _ _ _
-_ 6 _  _ 5 _  1 _ _
-_ _ _  _ _ _  6 8 _
-
-SOLUTION:
-4 1 6  3 8 7  9 2 5
-5 3 8  9 1 2  7 4 6
-9 7 2  4 6 5  3 1 8
-
-3 4 5  7 9 8  2 6 1
-7 8 1  5 2 6  4 9 3
-6 2 9  1 3 4  8 5 7
-
-8 9 4  6 7 1  5 3 2
-2 6 3  8 5 9  1 7 4
-1 5 7  2 4 3  6 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,null,8,null,7,0,null,5,null,null,6,null,null,null,8,null,null,7,2,null,0,null,null,4,3,null,null,null,5,null,null,null,null,null,8,null,6,null,2,null,null,null,null,2,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,5,null,null,null,4,3,1,null,null,null,null,5,0,2,null,8,null],"solution":[3,2,4,1,5,0,8,6,7,0,7,5,8,4,6,1,2,3,8,6,1,7,2,3,0,4,5,4,3,7,2,1,5,6,0,8,5,0,8,4,6,7,2,3,1,6,1,2,0,3,8,5,7,4,2,8,6,3,7,1,4,5,0,7,5,0,6,8,4,3,1,2,1,4,3,5,0,2,7,8,6]}
-PUZZLE:
-4 _ _  _ _ _  9 _ 8
-1 _ 6  _ _ 7  _ _ _
-9 _ _  8 3 _  1 _ _
-
-5 4 _  _ _ 6  _ _ _
-_ _ 9  _ 7 _  3 _ _
-_ _ 3  _ _ _  _ _ 5
-
-_ _ _  _ _ _  _ _ _
-_ 6 _  _ _ 5  4 2 _
-_ _ _  6 1 3  _ 9 _
-
-SOLUTION:
-4 3 5  2 6 1  9 7 8
-1 8 6  9 5 7  2 3 4
-9 7 2  8 3 4  1 5 6
-
-5 4 8  3 2 6  7 1 9
-6 1 9  5 7 8  3 4 2
-7 2 3  1 4 9  6 8 5
-
-3 9 7  4 8 2  5 6 1
-8 6 1  7 9 5  4 2 3
-2 5 4  6 1 3  8 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,6,null,null,3,null,2,null,null,null,null,null,null,2,null,6,null,4,null,null,8,null,null,null,5,null,null,null,null,null,5,null,6,null,null,8,null,null,1,null,null,null,null,7,null,null,null,0,null,null,4,null,2,null,5,null,null,null,null,null,4,null,0,3,null,null,1,null,null,7,null,null,0,null,null],"solution":[4,1,5,8,0,3,7,6,2,6,3,8,2,1,7,4,0,5,7,2,0,6,5,4,1,3,8,8,0,1,5,4,2,6,7,3,5,7,6,0,3,8,2,4,1,3,4,2,1,7,6,8,5,0,0,6,4,3,2,1,5,8,7,2,5,7,4,8,0,3,1,6,1,8,3,7,6,5,0,2,4]}
-PUZZLE:
-_ _ 6  _ _ _  _ 7 _
-_ 4 _  3 _ _  _ _ _
-_ 3 _  7 _ 5  _ _ 9
-
-_ _ _  6 _ _  _ _ _
-6 _ 7  _ _ 9  _ _ 2
-_ _ _  _ 8 _  _ _ 1
-
-_ _ 5  _ 3 _  6 _ _
-_ _ _  5 _ 1  4 _ _
-2 _ _  8 _ _  1 _ _
-
-SOLUTION:
-5 2 6  9 1 4  8 7 3
-7 4 9  3 2 8  5 1 6
-8 3 1  7 6 5  2 4 9
-
-9 1 2  6 5 3  7 8 4
-6 8 7  1 4 9  3 5 2
-4 5 3  2 8 7  9 6 1
-
-1 7 5  4 3 2  6 9 8
-3 6 8  5 9 1  4 2 7
-2 9 4  8 7 6  1 3 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,8,7,null,null,null,6,null,null,6,null,null,4,null,null,null,null,7,null,null,null,null,4,0,null,null,null,null,null,3,8,null,null,null,null,null,null,null,null,null,8,5,null,5,null,null,1,null,6,null,null,7,null,null,0,null,2,7,null,null,null,4,null,null,null,null,null,null,null,5,null,null,8,null,null,1,3,null,null],"solution":[0,4,5,8,7,3,2,1,6,2,3,6,0,1,4,5,7,8,8,7,1,2,6,5,4,0,3,1,0,7,5,3,8,6,4,2,3,6,4,7,0,2,8,5,1,5,8,2,1,4,6,0,3,7,6,5,0,3,2,7,1,8,4,4,1,3,6,8,0,7,2,5,7,2,8,4,5,1,3,6,0]}
-PUZZLE:
-_ _ _  9 8 _  _ _ 7
-_ _ 7  _ _ 5  _ _ _
-_ 8 _  _ _ _  5 1 _
-
-_ _ _  _ 4 9  _ _ _
-_ _ _  _ _ _  9 6 _
-6 _ _  2 _ 7  _ _ 8
-
-_ _ 1  _ 3 8  _ _ _
-5 _ _  _ _ _  _ _ 6
-_ _ 9  _ _ 2  4 _ _
-
-SOLUTION:
-1 5 6  9 8 4  3 2 7
-3 4 7  1 2 5  6 8 9
-9 8 2  3 7 6  5 1 4
-
-2 1 8  6 4 9  7 5 3
-4 7 5  8 1 3  9 6 2
-6 9 3  2 5 7  1 4 8
-
-7 6 1  4 3 8  2 9 5
-5 2 4  7 9 1  8 3 6
-8 3 9  5 6 2  4 7 1
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,null,null,null,4,2,null,null,3,null,7,null,null,5,null,null,7,null,null,null,null,null,null,null,null,3,null,null,null,null,8,null,6,null,null,8,null,null,4,6,1,null,null,null,null,6,null,0,1,null,null,8,null,null,3,0,null,2,null,null,4,1,null,null,null,3,null,null,null,null,null,null,null,8,null,4,null,0,null],"solution":[6,0,5,1,8,3,4,2,7,4,3,1,7,2,0,5,8,6,7,2,8,4,6,5,0,3,1,3,1,4,5,7,8,2,6,0,0,8,2,3,4,6,1,7,5,5,7,6,2,0,1,3,4,8,8,6,3,0,5,2,7,1,4,1,4,0,6,3,7,8,5,2,2,5,7,8,1,4,6,0,3]}
-PUZZLE:
-_ _ _  _ _ _  5 3 _
-_ 4 _  8 _ _  6 _ _
-8 _ _  _ _ _  _ _ _
-
-4 _ _  _ _ 9  _ 7 _
-_ 9 _  _ 5 7  2 _ _
-_ _ 7  _ 1 2  _ _ 9
-
-_ _ 4  1 _ 3  _ _ 5
-2 _ _  _ 4 _  _ _ _
-_ _ _  9 _ 5  _ 1 _
-
-SOLUTION:
-7 1 6  2 9 4  5 3 8
-5 4 2  8 3 1  6 9 7
-8 3 9  5 7 6  1 4 2
-
-4 2 5  6 8 9  3 7 1
-1 9 3  4 5 7  2 8 6
-6 8 7  3 1 2  4 5 9
-
-9 7 4  1 6 3  8 2 5
-2 5 1  7 4 8  9 6 3
-3 6 8  9 2 5  7 1 4
-
-RATING: 3
-DATA:
-{"puzzle":[2,null,5,1,null,null,null,null,6,null,null,null,null,2,null,null,null,null,null,0,6,null,null,null,7,null,null,null,null,null,null,null,null,2,null,null,null,null,4,null,null,6,null,null,null,1,null,0,2,null,3,6,null,4,null,null,7,null,8,null,3,null,null,null,null,null,7,null,5,8,null,null,4,null,null,3,null,null,null,null,5],"solution":[2,7,5,1,0,8,4,3,6,3,4,1,6,2,7,5,0,8,8,0,6,5,3,4,7,2,1,6,3,8,0,4,1,2,5,7,7,2,4,8,5,6,0,1,3,1,5,0,2,7,3,6,8,4,5,1,7,4,8,2,3,6,0,0,6,3,7,1,5,8,4,2,4,8,2,3,6,0,1,7,5]}
-PUZZLE:
-3 _ 6  2 _ _  _ _ 7
-_ _ _  _ 3 _  _ _ _
-_ 1 7  _ _ _  8 _ _
-
-_ _ _  _ _ _  3 _ _
-_ _ 5  _ _ 7  _ _ _
-2 _ 1  3 _ 4  7 _ 5
-
-_ _ 8  _ 9 _  4 _ _
-_ _ _  8 _ 6  9 _ _
-5 _ _  4 _ _  _ _ 6
-
-SOLUTION:
-3 8 6  2 1 9  5 4 7
-4 5 2  7 3 8  6 1 9
-9 1 7  6 4 5  8 3 2
-
-7 4 9  1 5 2  3 6 8
-8 3 5  9 6 7  1 2 4
-2 6 1  3 8 4  7 9 5
-
-6 2 8  5 9 3  4 7 1
-1 7 4  8 2 6  9 5 3
-5 9 3  4 7 1  2 8 6
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,7,8,null,null,2,null,0,null,null,null,null,4,7,null,null,null,null,4,null,2,null,5,null,null,null,5,6,null,7,null,null,null,null,null,8,null,1,null,null,null,null,null,null,null,null,null,5,0,2,null,null,4,6,null,null,null,null,null,0,null,null,null,7,6,null,null,null,3,null,null,3,2,null,null,null,null,null,null],"solution":[6,1,3,7,8,5,4,2,0,0,2,5,3,1,4,7,6,8,8,7,4,0,2,6,5,1,3,2,5,6,4,7,3,0,8,1,7,8,0,1,6,2,3,5,4,3,4,1,8,5,0,2,7,6,4,6,8,2,3,7,1,0,5,5,0,7,6,4,1,8,3,2,1,3,2,5,0,8,6,4,7]}
-PUZZLE:
-_ _ _  8 9 _  _ 3 _
-1 _ _  _ _ 5  8 _ _
-_ _ 5  _ 3 _  6 _ _
-
-_ 6 7  _ 8 _  _ _ _
-_ 9 _  2 _ _  _ _ _
-_ _ _  _ 6 1  3 _ _
-
-5 7 _  _ _ _  _ 1 _
-_ _ 8  7 _ _  _ 4 _
-_ 4 3  _ _ _  _ _ _
-
-SOLUTION:
-7 2 4  8 9 6  5 3 1
-1 3 6  4 2 5  8 7 9
-9 8 5  1 3 7  6 2 4
-
-3 6 7  5 8 4  1 9 2
-8 9 1  2 7 3  4 6 5
-4 5 2  9 6 1  3 8 7
-
-5 7 9  3 4 8  2 1 6
-6 1 8  7 5 2  9 4 3
-2 4 3  6 1 9  7 5 8
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,4,null,5,6,null,3,2,0,null,null,null,7,null,null,null,null,null,1,null,2,null,4,1,null,0,null,null,null,null,2,null,null,7,5,null,null,null,null,6,null,5,null,3,null,4,null,null,null,null,null,null,null,null,6,0,5,null,0,null,null,null,null,null,null,null,null,null,7,null,null,8,null,null,null,null],"solution":[1,2,0,8,3,7,4,6,5,6,4,3,2,0,5,1,8,7,7,8,5,6,4,1,3,2,0,4,1,6,0,7,8,5,3,2,3,0,7,5,1,2,8,4,6,2,5,8,3,6,4,7,0,1,8,3,1,7,2,6,0,5,4,0,6,4,1,5,3,2,7,8,5,7,2,4,8,0,6,1,3]}
-PUZZLE:
-_ _ _  _ _ _  5 _ 6
-7 _ 4  3 1 _  _ _ 8
-_ _ _  _ _ 2  _ 3 _
-
-5 2 _  1 _ _  _ _ 3
-_ _ 8  6 _ _  _ _ 7
-_ 6 _  4 _ 5  _ _ _
-
-_ _ _  _ _ 7  1 6 _
-1 _ _  _ _ _  _ _ _
-_ 8 _  _ 9 _  _ _ _
-
-SOLUTION:
-2 3 1  9 4 8  5 7 6
-7 5 4  3 1 6  2 9 8
-8 9 6  7 5 2  4 3 1
-
-5 2 7  1 8 9  6 4 3
-4 1 8  6 2 3  9 5 7
-3 6 9  4 7 5  8 1 2
-
-9 4 2  8 3 7  1 6 5
-1 7 5  2 6 4  3 8 9
-6 8 3  5 9 1  7 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,1,null,0,null,null,null,null,null,null,null,3,null,5,null,1,null,5,null,null,null,null,null,0,null,null,0,null,null,null,null,4,null,null,1,null,4,null,null,null,2,null,8,5,null,null,null,1,8,null,6,null,null,4,null,null,null,null,7,null,6,null,8,null,7,null,null,null,null,null,null,null,null,0,6,null,null,5,2],"solution":[3,7,8,1,5,0,6,2,4,4,6,0,2,3,7,5,8,1,2,5,1,8,4,6,3,0,7,8,0,6,3,7,2,4,1,5,1,3,4,6,0,5,2,7,8,5,2,7,4,1,8,0,6,3,0,4,2,5,8,1,7,3,6,6,8,5,7,2,3,1,4,0,7,1,3,0,6,4,8,5,2]}
-PUZZLE:
-_ _ _  2 _ 1  _ _ _
-_ _ _  _ 4 _  6 _ 2
-_ 6 _  _ _ _  _ 1 _
-
-_ 1 _  _ _ _  5 _ _
-2 _ 5  _ _ _  3 _ 9
-6 _ _  _ 2 9  _ 7 _
-
-_ 5 _  _ _ _  8 _ 7
-_ 9 _  8 _ _  _ _ _
-_ _ _  1 7 _  _ 6 3
-
-SOLUTION:
-4 8 9  2 6 1  7 3 5
-5 7 1  3 4 8  6 9 2
-3 6 2  9 5 7  4 1 8
-
-9 1 7  4 8 3  5 2 6
-2 4 5  7 1 6  3 8 9
-6 3 8  5 2 9  1 7 4
-
-1 5 3  6 9 2  8 4 7
-7 9 6  8 3 4  2 5 1
-8 2 4  1 7 5  9 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,8,2,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,3,null,null,6,null,null,0,5,null,null,null,null,null,null,null,null,null,2,null,null,7,1,2,null,null,4,8,null,null,null,3,null,7,5,null,null,4,null,8,null,null,0,null,null,null,null,null,null,null,null,1,null,null,0,null,3,null,null],"solution":[1,3,8,2,5,6,7,4,0,6,2,7,0,4,8,1,3,5,0,5,4,7,1,3,8,2,6,7,4,0,5,3,1,2,6,8,5,8,3,6,2,0,4,7,1,2,6,1,4,8,7,5,0,3,3,7,5,1,6,4,0,8,2,8,0,2,3,7,5,6,1,4,4,1,6,8,0,2,3,5,7]}
-PUZZLE:
-2 _ 9  3 6 _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ 5  _ _ 4  _ _ 7
-
-_ _ 1  6 _ _  _ _ _
-_ _ _  _ 3 _  _ 8 2
-3 _ _  5 9 _  _ _ 4
-
-_ 8 6  _ _ 5  _ 9 _
-_ 1 _  _ _ _  _ _ _
-_ 2 _  _ 1 _  4 _ _
-
-SOLUTION:
-2 4 9  3 6 7  8 5 1
-7 3 8  1 5 9  2 4 6
-1 6 5  8 2 4  9 3 7
-
-8 5 1  6 4 2  3 7 9
-6 9 4  7 3 1  5 8 2
-3 7 2  5 9 8  6 1 4
-
-4 8 6  2 7 5  1 9 3
-9 1 3  4 8 6  7 2 5
-5 2 7  9 1 3  4 6 8
+5 4 3  2 1 9  7 6 8
+1 2 7  8 6 4  3 9 5
+9 6 8  7 3 5  1 4 2
 
 RATING: 2
 DATA:
-{"puzzle":[null,null,null,4,null,null,null,null,3,null,4,null,7,null,null,5,null,null,null,3,1,null,null,8,7,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,null,null,2,8,null,6,null,null,null,null,2,null,null,5,null,null,2,null,null,3,null,6,null,null,null,null,null,0,null,8,null,null,0,5,null,null,4,1,null,null,null],"solution":[7,8,6,4,1,5,0,2,3,2,4,0,7,3,6,5,1,8,5,3,1,0,2,8,7,4,6,8,2,5,3,7,4,6,0,1,3,1,4,5,6,0,2,8,7,6,0,7,1,8,2,4,3,5,4,7,2,8,5,3,1,6,0,1,6,3,2,0,7,8,5,4,0,5,8,6,4,1,3,7,2]}
+{"puzzle":[null,null,null,null,null,null,null,null,0,null,0,6,null,8,1,null,null,3,null,1,null,7,null,null,4,null,null,8,null,null,null,null,7,null,5,null,null,null,null,3,null,4,7,null,null,3,7,null,6,null,null,null,null,null,null,null,null,null,null,0,5,6,null,null,null,null,null,null,null,null,null,2,0,6,2,null,null,null,null,null,null],"solution":[7,8,4,5,3,2,6,1,0,5,0,6,4,8,1,2,7,3,2,1,3,7,0,6,4,8,5,8,4,1,0,2,7,3,5,6,6,2,5,3,1,4,7,0,8,3,7,0,6,5,8,1,2,4,4,3,8,2,7,0,5,6,1,1,5,7,8,6,3,0,4,2,0,6,2,1,4,5,8,3,7]}
 PUZZLE:
-_ _ _  5 _ _  _ _ 4
-_ 5 _  8 _ _  6 _ _
-_ 4 2  _ _ 9  8 _ _
+_ _ _  _ _ _  _ _ 1
+_ 1 7  _ 9 2  _ _ 4
+_ 2 _  8 _ _  5 _ _
+
+9 _ _  _ _ 8  _ 6 _
+_ _ _  4 _ 5  8 _ _
+4 8 _  7 _ _  _ _ _
+
+_ _ _  _ _ 1  6 7 _
+_ _ _  _ _ _  _ _ 3
+1 7 3  _ _ _  _ _ _
+
+SOLUTION:
+8 9 5  6 4 3  7 2 1
+6 1 7  5 9 2  3 8 4
+3 2 4  8 1 7  5 9 6
+
+9 5 2  1 3 8  4 6 7
+7 3 6  4 2 5  8 1 9
+4 8 1  7 6 9  2 3 5
+
+5 4 9  3 8 1  6 7 2
+2 6 8  9 7 4  1 5 3
+1 7 3  2 5 6  9 4 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,2,null,null,3,null,null,4,null,6,null,null,null,null,null,5,null,null,4,null,1,null,7,null,7,null,8,null,null,null,2,5,null,null,null,null,null,7,null,null,null,null,6,null,0,null,null,8,null,null,3,4,1,null,7,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,5,0,null,null,8,2,null],"solution":[0,7,1,8,2,5,4,3,6,2,4,3,6,0,7,1,8,5,5,8,6,4,3,1,0,7,2,7,3,8,1,6,0,2,5,4,1,5,4,3,7,2,6,0,8,6,2,0,5,4,8,7,1,3,4,1,2,7,8,3,5,6,0,8,0,7,2,5,6,3,4,1,3,6,5,0,1,4,8,2,7]}
+PUZZLE:
+_ _ _  _ 3 _  _ 4 _
+_ 5 _  7 _ _  _ _ _
+6 _ _  5 _ 2  _ 8 _
+
+8 _ 9  _ _ _  3 6 _
+_ _ _  _ 8 _  _ _ _
+7 _ 1  _ _ 9  _ _ 4
+
+5 2 _  8 _ _  6 _ _
+_ _ _  _ _ _  _ _ _
+_ _ 6  1 _ _  9 3 _
+
+SOLUTION:
+1 8 2  9 3 6  5 4 7
+3 5 4  7 1 8  2 9 6
+6 9 7  5 4 2  1 8 3
+
+8 4 9  2 7 1  3 6 5
+2 6 5  4 8 3  7 1 9
+7 3 1  6 5 9  8 2 4
+
+5 2 3  8 9 4  6 7 1
+9 1 8  3 6 7  4 5 2
+4 7 6  1 2 5  9 3 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,3,null,4,null,null,6,null,null,1,7,null,2,8,null,5,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,4,null,0,null,2,5,7,null,null,1,null,null,null,8,null,null,null,null,6,null,null,null,null,null,null,5,2,8,null,7,null,3,null,null,null,1,null,null,null,null,null,1,null,null,null,null,null,null],"solution":[8,0,3,5,4,7,2,6,1,4,1,7,6,2,8,0,5,3,5,6,2,0,1,3,7,8,4,3,7,6,1,8,5,4,2,0,0,2,5,7,6,4,1,3,8,1,8,4,2,3,0,6,7,5,6,4,0,3,5,2,8,1,7,2,3,8,4,7,1,5,0,6,7,5,1,8,0,6,3,4,2]}
+PUZZLE:
+_ _ 4  _ 5 _  _ 7 _
+_ 2 8  _ 3 9  _ 6 _
+_ _ _  _ 2 _  _ _ _
+
+_ _ _  _ _ _  5 _ 1
+_ 3 6  8 _ _  2 _ _
+_ 9 _  _ _ _  7 _ _
+
+_ _ _  _ 6 3  9 _ 8
+_ 4 _  _ _ 2  _ _ _
+_ _ 2  _ _ _  _ _ _
+
+SOLUTION:
+9 1 4  6 5 8  3 7 2
+5 2 8  7 3 9  1 6 4
+6 7 3  1 2 4  8 9 5
+
+4 8 7  2 9 6  5 3 1
+1 3 6  8 7 5  2 4 9
+2 9 5  3 4 1  7 8 6
+
+7 5 1  4 6 3  9 2 8
+3 4 9  5 8 2  6 1 7
+8 6 2  9 1 7  4 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,null,null,null,null,null,null,null,null,4,null,null,null,2,5,null,null,null,null,null,null,8,3,4,null,1,4,6,null,null,5,8,2,null,2,null,null,null,null,4,6,null,null,null,null,8,null,null,null,null,1,null,null,3,null,null,4,1,null,0,null,null,null,null,3,7,null,null,8,null,null,null,null,null,8,null,4,null,null],"solution":[5,0,3,4,2,6,1,7,8,7,8,4,1,0,3,2,5,6,6,2,1,7,5,8,3,4,0,1,4,6,0,3,5,8,2,7,2,7,0,8,1,4,6,3,5,3,5,8,2,6,7,0,1,4,8,3,5,6,4,1,7,0,2,4,6,2,3,7,0,5,8,1,0,1,7,5,8,2,4,6,3]}
+PUZZLE:
+_ 1 _  _ _ _  _ _ _
+_ _ 5  _ _ _  3 6 _
+_ _ _  _ _ 9  4 5 _
+
+2 5 7  _ _ 6  9 3 _
+3 _ _  _ _ 5  7 _ _
+_ _ 9  _ _ _  _ 2 _
+
+_ 4 _  _ 5 2  _ 1 _
+_ _ _  4 8 _  _ 9 _
+_ _ _  _ 9 _  5 _ _
+
+SOLUTION:
+6 1 4  5 3 7  2 8 9
+8 9 5  2 1 4  3 6 7
+7 3 2  8 6 9  4 5 1
+
+2 5 7  1 4 6  9 3 8
+3 8 1  9 2 5  7 4 6
+4 6 9  3 7 8  1 2 5
+
+9 4 6  7 5 2  8 1 3
+5 7 3  4 8 1  6 9 2
+1 2 8  6 9 3  5 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,7,null,1,null,null,null,2,8,null,4,null,null,null,6,null,0,null,null,8,null,2,null,null,0,null,3,null,null,null,8,6,null,null,null,4,null,5,3,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,4,null,6,7,null,null,null,null,null,null,null,null,0,null,1,null,5],"solution":[8,2,3,4,5,6,7,0,1,0,5,1,2,8,7,4,6,3,7,6,4,0,1,3,8,5,2,4,1,0,7,3,5,6,2,8,6,8,2,1,4,0,5,3,7,5,3,7,8,6,2,0,1,4,1,0,8,5,2,4,3,7,6,3,4,5,6,7,1,2,8,0,2,7,6,3,0,8,1,4,5]}
+PUZZLE:
+_ _ _  _ _ _  8 _ 2
+_ _ _  3 9 _  5 _ _
+_ 7 _  1 _ _  9 _ 3
+
+_ _ 1  _ 4 _  _ _ 9
+7 _ _  _ 5 _  6 4 _
+6 _ _  _ _ _  _ _ _
 
 _ _ _  _ _ 5  _ _ _
-_ _ _  _ _ _  3 9 _
-7 _ _  _ _ 3  _ _ 6
-
-_ _ 3  _ _ 4  _ 7 _
-_ _ _  _ 1 _  9 _ _
-1 6 _  _ 5 2  _ _ _
+_ 5 _  7 8 _  _ _ _
+_ _ _  _ 1 _  2 _ 6
 
 SOLUTION:
-8 9 7  5 2 6  1 3 4
-3 5 1  8 4 7  6 2 9
-6 4 2  1 3 9  8 5 7
+9 3 4  5 6 7  8 1 2
+1 6 2  3 9 8  5 7 4
+8 7 5  1 2 4  9 6 3
 
-9 3 6  4 8 5  7 1 2
-4 2 5  6 7 1  3 9 8
-7 1 8  2 9 3  5 4 6
+5 2 1  8 4 6  7 3 9
+7 9 3  2 5 1  6 4 8
+6 4 8  9 7 3  1 2 5
 
-5 8 3  9 6 4  2 7 1
-2 7 4  3 1 8  9 6 5
-1 6 9  7 5 2  4 8 3
+2 1 9  6 3 5  4 8 7
+4 5 6  7 8 2  3 9 1
+3 8 7  4 1 9  2 5 6
 
-RATING: 2
+RATING: 1.5
 DATA:
-{"puzzle":[null,null,null,null,2,null,null,7,5,null,6,null,null,null,null,null,null,null,3,null,8,null,6,null,null,1,0,0,3,null,null,null,null,null,null,null,null,1,6,0,null,null,3,5,null,2,null,null,null,null,null,null,null,7,6,4,null,null,null,null,null,null,8,5,null,null,3,null,null,null,6,null,null,null,null,7,null,null,null,2,null],"solution":[4,0,1,8,2,3,6,7,5,7,6,5,4,1,0,2,8,3,3,2,8,5,6,7,4,1,0,0,3,7,2,8,5,1,4,6,8,1,6,0,7,4,3,5,2,2,5,4,6,3,1,8,0,7,6,4,0,1,5,2,7,3,8,5,7,2,3,4,8,0,6,1,1,8,3,7,0,6,5,2,4]}
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,1,7,null,null,0,1,4,2,null,null,6,null,4,null,null,null,null,null,0,null,null,null,5,null,8,null,null,4,null,7,null,null,null,null,null,null,null,3,null,null,null,7,null,1,null,null,null,2,null,null,null,null,6,8,null,null,4,null,null,0,null,null,null,3,1],"solution":[1,6,4,8,7,3,0,2,5,3,2,8,5,6,0,4,1,7,5,7,0,1,4,2,3,8,6,6,4,2,3,1,5,7,0,8,0,3,5,6,8,7,1,4,2,7,8,1,2,0,4,5,6,3,8,0,6,7,3,1,2,5,4,2,1,3,4,5,6,8,7,0,4,5,7,0,2,8,6,3,1]}
 PUZZLE:
-_ _ _  _ 3 _  _ 8 6
-_ 7 _  _ _ _  _ _ _
-4 _ 9  _ 7 _  _ 2 1
-
-1 4 _  _ _ _  _ _ _
-_ 2 7  1 _ _  4 6 _
-3 _ _  _ _ _  _ _ 8
-
-7 5 _  _ _ _  _ _ 9
-6 _ _  4 _ _  _ 7 _
-_ _ _  8 _ _  _ 3 _
-
-SOLUTION:
-5 1 2  9 3 4  7 8 6
-8 7 6  5 2 1  3 9 4
-4 3 9  6 7 8  5 2 1
-
-1 4 8  3 9 6  2 5 7
-9 2 7  1 8 5  4 6 3
-3 6 5  7 4 2  9 1 8
-
-7 5 1  2 6 3  8 4 9
-6 8 3  4 5 9  1 7 2
-2 9 4  8 1 7  6 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,4,null,7,null,2,null,null,null,null,null,null,5,null,null,null,null,null,6,null,1,null,null,5,4,null,null,null,null,null,0,null,1,5,null,5,1,null,null,4,2,null,0,null,null,3,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,7,null,null,null,2,null,null,null,2,null,null,6,null,3,8,null,null],"solution":[5,0,8,4,6,7,1,2,3,1,4,2,3,0,5,7,8,6,7,3,6,2,1,8,0,5,4,4,6,7,8,2,0,3,1,5,8,5,1,7,3,4,2,6,0,0,2,3,1,5,6,4,7,8,6,8,4,0,7,1,5,3,2,3,7,0,5,8,2,6,4,1,2,1,5,6,4,3,8,0,7]}
-PUZZLE:
-_ _ _  5 _ 8  _ 3 _
-_ _ _  _ _ 6  _ _ _
-_ _ 7  _ 2 _  _ 6 5
-
-_ _ _  _ _ 1  _ 2 6
-_ 6 2  _ _ 5  3 _ 1
-_ _ 4  _ _ _  _ _ _
-
-_ _ _  1 _ _  _ _ _
-_ 8 _  _ _ 3  _ _ _
-3 _ _  7 _ 4  9 _ _
-
-SOLUTION:
-6 1 9  5 7 8  2 3 4
-2 5 3  4 1 6  8 9 7
-8 4 7  3 2 9  1 6 5
-
-5 7 8  9 3 1  4 2 6
-9 6 2  8 4 5  3 7 1
-1 3 4  2 6 7  5 8 9
-
-7 9 5  1 8 2  6 4 3
-4 8 1  6 9 3  7 5 2
-3 2 6  7 5 4  9 1 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[4,2,null,null,null,null,null,null,null,3,null,5,null,7,4,null,null,8,null,null,8,null,null,null,null,5,null,null,0,null,null,null,null,8,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,4,3,null,1,null,null,null,7,null,0,null,null,null,null,0,null,null,null,5,null,7,null,null,null,null,null,2,6,null,1,null,3],"solution":[4,2,0,8,3,5,6,7,1,3,6,5,1,7,4,0,2,8,1,7,8,0,2,6,3,5,4,5,0,3,7,1,2,8,4,6,6,4,1,5,8,0,2,3,7,7,8,2,6,4,3,5,1,0,2,1,7,3,0,8,4,6,5,0,3,6,4,5,1,7,8,2,8,5,4,2,6,7,1,0,3]}
-PUZZLE:
-5 3 _  _ _ _  _ _ _
-4 _ 6  _ 8 5  _ _ 9
-_ _ 9  _ _ _  _ 6 _
-
-_ 1 _  _ _ _  9 _ _
-7 _ _  _ _ _  _ _ _
-_ _ _  _ 5 4  _ 2 _
-
-_ _ 8  _ 1 _  _ _ _
-1 _ _  _ 6 _  8 _ _
-_ _ _  3 7 _  2 _ 4
-
-SOLUTION:
-5 3 1  9 4 6  7 8 2
-4 7 6  2 8 5  1 3 9
-2 8 9  1 3 7  4 6 5
-
-6 1 4  8 2 3  9 5 7
-7 5 2  6 9 1  3 4 8
-8 9 3  7 5 4  6 2 1
-
-3 2 8  4 1 9  5 7 6
-1 4 7  5 6 2  8 9 3
-9 6 5  3 7 8  2 1 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,7,1,null,null,5,null,null,0,null,null,6,null,null,null,null,2,null,0,8,null,null,7,1,null,6,null,null,0,null,null,1,null,null,null,5,null,null,null,null,3,null,null,null,null,null,null,8,7,null,null,2,null,null,4,null,0,3,null,null,null,null,null,null,6,null,null,null,null,3,null,null,null,null,2,null,0,6,null,null,null],"solution":[2,7,1,4,6,5,8,3,0,5,4,6,0,8,3,7,2,1,0,8,3,2,7,1,5,6,4,3,0,4,8,1,2,6,7,5,7,2,5,6,3,4,0,1,8,6,1,8,7,5,0,2,4,3,4,5,0,3,2,7,1,8,6,1,6,7,5,4,8,3,0,2,8,3,2,1,0,6,4,5,7]}
-PUZZLE:
-_ 8 2  _ _ 6  _ _ 1
-_ _ 7  _ _ _  _ 3 _
-1 9 _  _ 8 2  _ 7 _
-
-_ 1 _  _ 2 _  _ _ 6
-_ _ _  _ 4 _  _ _ _
-_ _ 9  8 _ _  3 _ _
-
-5 _ 1  4 _ _  _ _ _
-_ 7 _  _ _ _  4 _ _
-_ _ 3  _ 1 7  _ _ _
-
-SOLUTION:
-3 8 2  5 7 6  9 4 1
-6 5 7  1 9 4  8 3 2
-1 9 4  3 8 2  6 7 5
-
-4 1 5  9 2 3  7 8 6
-8 3 6  7 4 5  1 2 9
-7 2 9  8 6 1  3 5 4
-
-5 6 1  4 3 8  2 9 7
-2 7 8  6 5 9  4 1 3
-9 4 3  2 1 7  5 6 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,5,null,null,8,1,null,4,0,1,null,2,null,null,null,null,null,null,7,8,5,null,null,null,null,null,null,6,null,null,null,null,null,0,null,null,null,1,null,7,null,8,null,null,null,null,4,null,null,2,null,null,null,5,8,null,null,4,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,3,null,null,1,null,7,null],"solution":[2,3,5,7,0,8,1,6,4,0,1,6,2,3,4,7,8,5,4,7,8,5,1,6,0,3,2,7,6,2,3,8,5,4,0,1,3,5,1,4,7,0,8,2,6,8,0,4,1,6,2,3,5,7,5,8,7,6,4,3,2,1,0,1,2,0,8,5,7,6,4,3,6,4,3,0,2,1,5,7,8]}
-PUZZLE:
-_ _ 6  _ _ 9  2 _ 5
-1 2 _  3 _ _  _ _ _
-_ 8 9  6 _ _  _ _ _
-
-_ 7 _  _ _ _  _ 1 _
-_ _ 2  _ 8 _  9 _ _
-_ _ 5  _ _ 3  _ _ _
-
-6 9 _  _ 5 _  _ _ 1
 _ _ _  _ _ _  _ _ _
-_ _ 4  _ _ 2  _ 8 _
+_ _ 9  _ _ _  _ 2 8
+_ _ 1  2 5 3  _ _ 7
+
+_ 5 _  _ _ _  _ 1 _
+_ _ 6  _ 9 _  _ 5 _
+8 _ _  _ _ _  _ _ 4
+
+_ _ _  8 _ 2  _ _ _
+3 _ _  _ _ 7  9 _ _
+5 _ _  1 _ _  _ 4 2
 
 SOLUTION:
-3 4 6  8 1 9  2 7 5
-1 2 7  3 4 5  8 9 6
-5 8 9  6 2 7  1 4 3
+2 7 5  9 8 4  1 3 6
+4 3 9  6 7 1  5 2 8
+6 8 1  2 5 3  4 9 7
 
-8 7 3  4 9 6  5 1 2
-4 6 2  5 8 1  9 3 7
-9 1 5  2 7 3  4 6 8
+7 5 3  4 2 6  8 1 9
+1 4 6  7 9 8  2 5 3
+8 9 2  3 1 5  6 7 4
 
-6 9 8  7 5 4  3 2 1
-2 3 1  9 6 8  7 5 4
-7 5 4  1 3 2  6 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,7,8,null,null,null,7,null,0,5,1,null,4,null,null,null,0,8,null,6,2,0,7,null,null,null,null,null,null,null,null,null,7,null,null,null,null,8,null,3,null,null,null,null,null,0,null,6,null,null,4,null,1,null,null,null,null,null,null,8,null,null,null,null,null,null,null,3,null,null,null,2,null,null],"solution":[3,5,0,6,1,8,4,2,7,8,2,6,3,7,4,0,5,1,7,4,1,2,5,0,8,3,6,2,0,7,1,8,3,6,4,5,4,6,5,7,0,2,3,1,8,1,3,8,5,4,6,7,0,2,6,8,2,4,3,1,5,7,0,0,7,4,8,2,5,1,6,3,5,1,3,0,6,7,2,8,4]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 8
-9 _ _  _ 8 _  1 6 2
-_ 5 _  _ _ 1  9 _ 7
-
-3 1 8  _ _ _  _ _ _
-_ _ _  8 _ _  _ _ 9
-_ 4 _  _ _ _  _ 1 _
-
-7 _ _  5 _ 2  _ _ _
-_ _ _  9 _ _  _ _ _
-_ _ 4  _ _ _  3 _ _
-
-SOLUTION:
-4 6 1  7 2 9  5 3 8
-9 3 7  4 8 5  1 6 2
-8 5 2  3 6 1  9 4 7
-
-3 1 8  2 9 4  7 5 6
-5 7 6  8 1 3  4 2 9
-2 4 9  6 5 7  8 1 3
-
-7 9 3  5 4 2  6 8 1
-1 8 5  9 3 6  2 7 4
-6 2 4  1 7 8  3 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,5,null,null,0,null,null,1,2,3,6,null,null,null,null,null,4,null,null,7,0,null,null,null,null,null,0,null,null,5,null,null,null,null,5,3,7,1,null,null,null,0,6,null,null,null,null,8,null,null,3,7,null,null,2,null,null,null,null,null,2,null,null,null,null,null,6,4,null,null,null,null,null,null,null,3,null,null],"solution":[3,6,7,8,5,2,1,0,4,0,1,2,3,6,4,7,8,5,5,4,8,1,7,0,2,3,6,1,2,0,4,3,5,8,6,7,8,5,3,7,1,6,4,2,0,6,7,4,0,2,8,5,1,3,7,8,6,2,4,3,0,5,1,2,3,1,5,0,7,6,4,8,4,0,5,6,8,1,3,7,2]}
-PUZZLE:
-_ _ _  _ 6 _  _ 1 _
-_ 2 3  4 7 _  _ _ _
-_ 5 _  _ 8 1  _ _ _
-
-_ _ 1  _ _ 6  _ _ _
-_ 6 4  8 2 _  _ _ 1
-7 _ _  _ _ 9  _ _ 4
-
-8 _ _  3 _ _  _ _ _
-3 _ _  _ _ _  7 5 _
-_ _ _  _ _ _  4 _ _
-
-SOLUTION:
-4 7 8  9 6 3  2 1 5
-1 2 3  4 7 5  8 9 6
-6 5 9  2 8 1  3 4 7
-
-2 3 1  5 4 6  9 7 8
-9 6 4  8 2 7  5 3 1
-7 8 5  1 3 9  6 2 4
-
-8 9 7  3 5 4  1 6 2
-3 4 2  6 1 8  7 5 9
-5 1 6  7 9 2  4 8 3
+9 1 7  8 4 2  3 6 5
+3 2 4  5 6 7  9 8 1
+5 6 8  1 3 9  7 4 2
 
 RATING: 1
 DATA:
-{"puzzle":[2,null,null,null,null,null,null,7,null,null,8,5,null,null,null,null,null,1,4,null,null,null,2,3,null,null,8,7,null,null,null,8,6,null,null,2,null,null,null,null,3,4,null,null,null,null,null,null,null,null,null,null,0,7,null,null,2,null,null,null,null,null,5,null,null,null,null,6,null,0,null,null,1,0,7,null,null,null,null,null,4],"solution":[2,1,6,8,4,5,3,7,0,3,8,5,6,7,0,2,4,1,4,7,0,1,2,3,5,6,8,7,5,4,0,8,6,1,3,2,0,2,1,7,3,4,8,5,6,8,6,3,5,1,2,4,0,7,6,3,2,4,0,1,7,8,5,5,4,8,2,6,7,0,1,3,1,0,7,3,5,8,6,2,4]}
+{"puzzle":[null,null,5,7,null,null,null,null,3,6,null,null,null,null,1,null,4,null,null,null,null,null,5,null,null,8,null,1,null,null,null,null,4,null,null,null,null,null,null,0,null,3,4,null,6,null,null,2,null,null,null,null,3,null,8,null,null,null,0,6,null,null,null,null,null,1,4,null,null,null,null,null,0,null,3,null,null,null,7,null,null],"solution":[2,8,5,7,4,0,6,1,3,6,7,0,8,3,1,2,4,5,3,1,4,6,5,2,0,8,7,1,3,6,2,8,4,5,7,0,7,5,8,0,1,3,4,2,6,4,0,2,5,6,7,8,3,1,8,2,7,3,0,6,1,5,4,5,6,1,4,7,8,3,0,2,0,4,3,1,2,5,7,6,8]}
 PUZZLE:
-3 _ _  _ _ _  _ 8 _
-_ 9 6  _ _ _  _ _ 2
-5 _ _  _ 3 4  _ _ 9
+_ _ 6  8 _ _  _ _ 4
+7 _ _  _ _ 2  _ 5 _
+_ _ _  _ 6 _  _ 9 _
 
-8 _ _  _ 9 7  _ _ 3
-_ _ _  _ 4 5  _ _ _
-_ _ _  _ _ _  _ 1 8
+2 _ _  _ _ 5  _ _ _
+_ _ _  1 _ 4  5 _ 7
+_ _ 3  _ _ _  _ 4 _
 
-_ _ 3  _ _ _  _ _ 6
-_ _ _  _ 7 _  1 _ _
-2 1 8  _ _ _  _ _ 5
+9 _ _  _ 1 7  _ _ _
+_ _ 2  5 _ _  _ _ _
+1 _ 4  _ _ _  8 _ _
 
 SOLUTION:
-3 2 7  9 5 6  4 8 1
-4 9 6  7 8 1  3 5 2
-5 8 1  2 3 4  6 7 9
+3 9 6  8 5 1  7 2 4
+7 8 1  9 4 2  3 5 6
+4 2 5  7 6 3  1 9 8
 
-8 6 5  1 9 7  2 4 3
-1 3 2  8 4 5  9 6 7
-9 7 4  6 2 3  5 1 8
+2 4 7  3 9 5  6 8 1
+8 6 9  1 2 4  5 3 7
+5 1 3  6 7 8  9 4 2
 
-7 4 3  5 1 2  8 9 6
-6 5 9  3 7 8  1 2 4
-2 1 8  4 6 9  7 3 5
+9 3 8  4 1 7  2 6 5
+6 7 2  5 8 9  4 1 3
+1 5 4  2 3 6  8 7 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,0,null,3,null,8,2,4,null,7,null,null,4,null,null,3,8,null,6,null,null,null,0,null,null,null,null,null,null,null,null,null,4,null,null,8,null,null,null,null,2,null,null,null,0,null,7,null,null,null,1,0,2,3,null,null,5,null,null,null,4,null,null,null,8,null,2,5,null,null,7,null,null],"solution":[6,2,8,4,7,5,3,1,0,0,1,3,6,8,2,4,5,7,5,7,4,1,0,3,8,2,6,2,3,5,0,6,8,1,7,4,1,6,0,3,4,7,5,8,2,4,8,7,2,5,1,6,0,3,7,4,6,8,1,0,2,3,5,3,5,1,7,2,4,0,6,8,8,0,2,5,3,6,7,4,1]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+1 _ 4  _ 9 3  5 _ 8
+_ _ 5  _ _ 4  9 _ 7
+
+_ _ _  1 _ _  _ _ _
+_ _ _  _ 5 _  _ 9 _
+_ _ _  3 _ _  _ 1 _
+
+8 _ _  _ 2 1  3 4 _
+_ 6 _  _ _ 5  _ _ _
+9 _ 3  6 _ _  8 _ _
+
+SOLUTION:
+7 3 9  5 8 6  4 2 1
+1 2 4  7 9 3  5 6 8
+6 8 5  2 1 4  9 3 7
+
+3 4 6  1 7 9  2 8 5
+2 7 1  4 5 8  6 9 3
+5 9 8  3 6 2  7 1 4
+
+8 5 7  9 2 1  3 4 6
+4 6 2  8 3 5  1 7 9
+9 1 3  6 4 7  8 5 2
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,3,6,null,null,4,null,6,null,null,0,null,null,null,null,null,null,null,5,null,null,1,8,null,null,2,7,null,null,null,3,null,null,0,null,5,null,2,null,null,null,null,6,null,null,1,null,null,null,null,0,8,null,null,null,null,null,null,null,1,null,1,0,null,null,null,null,null,5,null,null,null,null,null,null,6,null,null],"solution":[2,5,1,8,3,6,7,0,4,4,6,8,7,0,1,5,3,2,7,0,3,5,4,2,1,8,6,1,2,7,4,5,0,3,6,8,0,8,5,6,2,3,4,1,7,6,3,4,1,8,7,2,5,0,8,4,6,3,7,5,0,2,1,3,1,0,2,6,4,8,7,5,5,7,2,0,1,8,6,4,3]}
+{"puzzle":[2,8,null,null,5,null,null,6,null,null,null,4,0,null,null,3,null,null,null,null,null,7,8,null,null,null,null,null,7,0,2,null,1,null,null,null,null,null,null,null,null,null,null,4,null,null,2,3,null,null,null,null,null,7,null,null,null,null,null,null,null,8,null,null,6,null,null,null,null,null,null,2,3,null,null,null,null,2,4,null,null],"solution":[2,8,7,1,5,3,0,6,4,1,5,4,0,2,6,3,7,8,0,3,6,7,8,4,5,2,1,6,7,0,2,4,1,8,3,5,8,1,5,3,6,7,2,4,0,4,2,3,5,0,8,6,1,7,5,4,2,6,1,0,7,8,3,7,6,8,4,3,5,1,0,2,3,0,1,8,7,2,4,5,6]}
 PUZZLE:
-_ _ _  _ 4 7  _ _ 5
-_ 7 _  _ 1 _  _ _ _
-_ _ _  6 _ _  2 9 _
+3 9 _  _ 6 _  _ 7 _
+_ _ 5  1 _ _  4 _ _
+_ _ _  8 9 _  _ _ _
 
-_ 3 8  _ _ _  4 _ _
-1 _ 6  _ 3 _  _ _ _
-7 _ _  2 _ _  _ _ 1
+_ 8 1  3 _ 2  _ _ _
+_ _ _  _ _ _  _ 5 _
+_ 3 4  _ _ _  _ _ 8
 
-9 _ _  _ _ _  _ _ 2
-_ 2 1  _ _ _  _ _ 6
-_ _ _  _ _ _  7 _ _
+_ _ _  _ _ _  _ 9 _
+_ 7 _  _ _ _  _ _ 3
+4 _ _  _ _ 3  5 _ _
 
 SOLUTION:
-3 6 2  9 4 7  8 1 5
-5 7 9  8 1 2  6 4 3
-8 1 4  6 5 3  2 9 7
+3 9 8  2 6 4  1 7 5
+2 6 5  1 3 7  4 8 9
+1 4 7  8 9 5  6 3 2
 
-2 3 8  5 6 1  4 7 9
-1 9 6  7 3 4  5 2 8
-7 4 5  2 9 8  3 6 1
+7 8 1  3 5 2  9 4 6
+9 2 6  4 7 8  3 5 1
+5 3 4  6 1 9  7 2 8
 
-9 5 7  4 8 6  1 3 2
-4 2 1  3 7 5  9 8 6
-6 8 3  1 2 9  7 5 4
+6 5 3  7 2 1  8 9 4
+8 7 9  5 4 6  2 1 3
+4 1 2  9 8 3  5 6 7
 
 RATING: 2.75
 DATA:
-{"puzzle":[null,null,2,8,null,null,null,3,null,null,4,3,7,null,null,null,null,5,null,null,null,null,null,null,null,2,null,null,null,5,null,7,null,8,null,6,null,3,null,1,null,8,5,null,null,null,null,null,null,0,null,null,null,null,null,7,null,4,null,null,1,5,2,null,null,null,null,null,null,0,null,null,null,5,8,null,1,null,null,4,null],"solution":[5,6,2,8,4,0,7,3,1,0,4,3,7,2,1,6,8,5,7,8,1,6,3,5,4,2,0,4,0,5,2,7,3,8,1,6,2,3,7,1,6,8,5,0,4,8,1,6,5,0,4,2,7,3,3,7,0,4,8,6,1,5,2,1,2,4,3,5,7,0,6,8,6,5,8,0,1,2,3,4,7]}
+{"puzzle":[null,null,null,null,null,null,null,null,null,3,null,null,8,null,null,1,null,2,null,null,null,4,null,null,null,3,5,6,null,null,null,null,3,7,4,null,2,null,null,null,null,null,null,5,null,null,0,null,null,null,6,null,null,null,null,null,2,null,6,8,null,null,null,null,7,null,0,null,null,null,null,null,null,null,4,1,7,null,0,null,null],"solution":[1,2,8,6,3,5,4,0,7,3,4,5,8,0,7,1,6,2,7,6,0,4,2,1,8,3,5,6,5,1,2,8,3,7,4,0,2,8,3,7,4,0,6,5,1,4,0,7,5,1,6,3,2,8,0,1,2,3,6,8,5,7,4,8,7,6,0,5,4,2,1,3,5,3,4,1,7,2,0,8,6]}
 PUZZLE:
-_ _ 3  9 _ _  _ 4 _
-_ 5 4  8 _ _  _ _ 6
-_ _ _  _ _ _  _ 3 _
+_ _ _  _ _ _  _ _ _
+4 _ _  9 _ _  2 _ 3
+_ _ _  5 _ _  _ 4 6
 
-_ _ 6  _ 8 _  9 _ 7
-_ 4 _  2 _ 9  6 _ _
-_ _ _  _ 1 _  _ _ _
+7 _ _  _ _ 4  8 5 _
+3 _ _  _ _ _  _ 6 _
+_ 1 _  _ _ 7  _ _ _
 
-_ 8 _  5 _ _  2 6 3
-_ _ _  _ _ _  1 _ _
-_ 6 9  _ 2 _  _ 5 _
+_ _ 3  _ 7 9  _ _ _
+_ 8 _  1 _ _  _ _ _
+_ _ 5  2 8 _  1 _ _
 
 SOLUTION:
-6 7 3  9 5 1  8 4 2
-1 5 4  8 3 2  7 9 6
-8 9 2  7 4 6  5 3 1
+2 3 9  7 4 6  5 1 8
+4 5 6  9 1 8  2 7 3
+8 7 1  5 3 2  9 4 6
 
-5 1 6  3 8 4  9 2 7
-3 4 8  2 7 9  6 1 5
-9 2 7  6 1 5  3 8 4
+7 6 2  3 9 4  8 5 1
+3 9 4  8 5 1  7 6 2
+5 1 8  6 2 7  4 3 9
 
-4 8 1  5 9 7  2 6 3
-2 3 5  4 6 8  1 7 9
-7 6 9  1 2 3  4 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,3,5,null,2,null,7,null,6,null,null,null,4,null,null,null,6,4,null,null,null,null,null,null,null,0,null,null,null,null,null,4,null,6,null,3,null,null,8,null,7,null,null,null,1,null,null,null,2,null,null,8,null,null,null,null,null,null,null,4,3,1,null,null,2,null,0,null,null,0,null,null,1,null,null,null,null],"solution":[1,4,8,7,0,3,5,6,2,0,7,3,6,2,5,1,4,8,5,2,6,4,8,1,7,3,0,8,1,0,2,6,7,3,5,4,2,6,4,3,5,0,8,1,7,3,5,7,1,4,8,0,2,6,6,8,5,0,3,4,2,7,1,4,3,1,8,7,2,6,0,5,7,0,2,5,1,6,4,8,3]}
-PUZZLE:
-_ _ 9  _ _ 4  6 _ 3
-_ 8 _  7 _ _  _ 5 _
-_ _ 7  5 _ _  _ _ _
-
-_ _ 1  _ _ _  _ _ 5
-_ 7 _  4 _ _  9 _ 8
-_ _ _  2 _ _  _ 3 _
-
-_ 9 _  _ _ _  _ _ _
-5 4 2  _ _ 3  _ 1 _
-_ 1 _  _ 2 _  _ _ _
-
-SOLUTION:
-2 5 9  8 1 4  6 7 3
-1 8 4  7 3 6  2 5 9
-6 3 7  5 9 2  8 4 1
-
-9 2 1  3 7 8  4 6 5
-3 7 5  4 6 1  9 2 8
-4 6 8  2 5 9  1 3 7
-
-7 9 6  1 4 5  3 8 2
-5 4 2  9 8 3  7 1 6
-8 1 3  6 2 7  5 9 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,8,null,0,null,null,null,null,null,null,null,0,null,7,null,null,null,7,4,1,null,null,null,2,null,0,8,null,null,4,null,6,null,null,2,null,3,5,null,null,null,null,7,4,null,null,null,null,5,null,null,null,3,0,null,null,8,6,null,null,4,null,null,null,null,null,7,0,null,8,null,null,null,null,null,null,null,null],"solution":[1,5,2,7,8,3,0,4,6,3,8,4,2,6,0,1,7,5,0,6,7,4,1,5,8,3,2,5,0,8,1,2,4,3,6,7,6,2,1,3,5,7,4,8,0,7,4,3,8,0,6,5,2,1,2,3,0,5,7,8,6,1,4,4,1,5,6,3,2,7,0,8,8,7,6,0,4,1,2,5,3]}
-PUZZLE:
-_ _ _  _ 9 _  1 _ _
-_ _ _  _ _ 1  _ 8 _
-_ _ 8  5 2 _  _ _ 3
-
-_ 1 9  _ _ 5  _ 7 _
-_ 3 _  4 6 _  _ _ _
-8 5 _  _ _ _  6 _ _
-
-_ 4 1  _ _ 9  7 _ _
-5 _ _  _ _ _  8 1 _
-9 _ _  _ _ _  _ _ _
-
-SOLUTION:
-2 6 3  8 9 4  1 5 7
-4 9 5  3 7 1  2 8 6
-1 7 8  5 2 6  9 4 3
-
-6 1 9  2 3 5  4 7 8
-7 3 2  4 6 8  5 9 1
-8 5 4  9 1 7  6 3 2
-
-3 4 1  6 8 9  7 2 5
-5 2 6  7 4 3  8 1 9
-9 8 7  1 5 2  3 6 4
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,7,null,null,3,0,null,null,6,null,null,null,5,null,null,null,3,null,null,null,null,null,6,8,4,null,7,null,2,null,0,null,null,null,1,null,2,null,null,null,null,null,null,null,3,null,null,4,null,null,1,null,null,null,null,null,null,4,null,2,null,null,null,null,null,null,3,null,null,1,0,null,1,5,null,null,null,null,null],"solution":[2,1,4,7,8,6,3,0,5,8,6,0,4,3,5,1,7,2,3,5,7,0,2,1,6,8,4,4,7,6,2,1,0,8,5,3,1,0,2,3,5,8,4,6,7,5,3,8,6,4,7,2,1,0,7,8,3,1,0,4,5,2,6,6,2,5,8,7,3,0,4,1,0,4,1,5,6,2,7,3,8]}
-PUZZLE:
-_ _ _  8 _ _  4 1 _
-_ 7 _  _ _ 6  _ _ _
-4 _ _  _ _ _  7 9 5
-
-_ 8 _  3 _ 1  _ _ _
-2 _ 3  _ _ _  _ _ _
-_ 4 _  _ 5 _  _ 2 _
-
-_ _ _  _ _ 5  _ 3 _
-_ _ _  _ _ 4  _ _ 2
-1 _ 2  6 _ _  _ _ _
-
-SOLUTION:
-3 2 5  8 9 7  4 1 6
-9 7 1  5 4 6  2 8 3
-4 6 8  1 3 2  7 9 5
-
-5 8 7  3 2 1  9 6 4
-2 1 3  4 6 9  5 7 8
-6 4 9  7 5 8  3 2 1
-
-8 9 4  2 1 5  6 3 7
-7 3 6  9 8 4  1 5 2
-1 5 2  6 7 3  8 4 9
-
-RATING: 1
-DATA:
-{"puzzle":[8,null,null,null,null,3,null,null,null,null,4,7,1,null,null,5,null,null,5,null,null,null,null,null,null,null,null,null,2,null,null,null,null,1,null,5,null,null,3,null,7,null,null,4,8,null,null,4,null,null,null,null,null,null,4,null,1,2,null,null,null,null,6,null,null,null,null,3,null,null,0,4,null,null,8,7,null,0,null,null,null],"solution":[8,1,2,5,0,3,4,6,7,0,4,7,1,2,6,5,8,3,5,3,6,4,8,7,0,1,2,7,2,0,8,6,4,1,3,5,1,5,3,0,7,2,6,4,8,6,8,4,3,1,5,7,2,0,4,0,1,2,5,8,3,7,6,2,7,5,6,3,1,8,0,4,3,6,8,7,4,0,2,5,1]}
-PUZZLE:
-9 _ _  _ _ 4  _ _ _
-_ 5 8  2 _ _  6 _ _
-6 _ _  _ _ _  _ _ _
-
-_ 3 _  _ _ _  2 _ 6
-_ _ 4  _ 8 _  _ 5 9
-_ _ 5  _ _ _  _ _ _
-
-5 _ 2  3 _ _  _ _ 7
-_ _ _  _ 4 _  _ 1 5
-_ _ 9  8 _ 1  _ _ _
-
-SOLUTION:
-9 2 3  6 1 4  5 7 8
-1 5 8  2 3 7  6 9 4
-6 4 7  5 9 8  1 2 3
-
-8 3 1  9 7 5  2 4 6
-2 6 4  1 8 3  7 5 9
-7 9 5  4 2 6  8 3 1
-
-5 1 2  3 6 9  4 8 7
-3 8 6  7 4 2  9 1 5
-4 7 9  8 5 1  3 6 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,1,null,null,null,null,null,null,3,null,null,null,6,8,null,null,null,8,null,null,null,null,1,2,null,null,null,null,6,0,null,null,null,null,3,null,null,null,null,3,null,null,null,4,null,null,7,null,null,null,1,null,5,null,null,8,null,5,null,null,null,null,1,7,null,null,null,null,4,3,8,null,null,null,null,null,null,6,null,null],"solution":[7,6,1,5,4,2,3,8,0,3,0,2,7,6,8,5,4,1,8,5,4,3,0,1,2,7,6,5,1,6,0,7,4,8,2,3,2,8,0,1,3,5,7,6,4,4,3,7,2,8,6,1,0,5,6,2,8,4,5,3,0,1,7,1,7,5,6,2,0,4,3,8,0,4,3,8,1,7,6,5,2]}
-PUZZLE:
-_ _ 2  _ _ _  _ _ _
-4 _ _  _ 7 9  _ _ _
-9 _ _  _ _ 2  3 _ _
-
-_ _ 7  1 _ _  _ _ 4
-_ _ _  _ 4 _  _ _ 5
-_ _ 8  _ _ _  2 _ 6
-
-_ _ 9  _ 6 _  _ _ _
-2 8 _  _ _ _  5 4 9
-_ _ _  _ _ _  7 _ _
-
-SOLUTION:
-8 7 2  6 5 3  4 9 1
-4 1 3  8 7 9  6 5 2
-9 6 5  4 1 2  3 8 7
-
-6 2 7  1 8 5  9 3 4
-3 9 1  2 4 6  8 7 5
-5 4 8  3 9 7  2 1 6
-
-7 3 9  5 6 4  1 2 8
-2 8 6  7 3 1  5 4 9
-1 5 4  9 2 8  7 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,null,5,2,null,null,1,null,null,6,null,null,null,null,5,null,null,null,4,0,null,null,null,1,null,7,null,5,null,null,4,null,null,null,6,null,null,3,null,null,null,null,null,null,null,8,null,null,7,null,null,null,8,0,null,7,null,null,null,null,6,null,null,3,null,8,null,null,null,null,null,8,null,null,2,null,null],"solution":[6,0,4,3,7,8,5,2,1,7,1,3,2,6,5,4,8,0,5,8,2,1,4,0,7,6,3,1,3,7,6,5,2,0,4,8,8,4,6,7,0,3,1,5,2,0,2,5,4,8,1,3,7,6,3,5,8,0,2,7,6,1,4,2,6,1,5,3,4,8,0,7,4,7,0,8,1,6,2,3,5]}
-PUZZLE:
-_ _ _  4 _ _  6 3 _
-_ 2 _  _ 7 _  _ _ _
-6 _ _  _ 5 1  _ _ _
-
-2 _ 8  _ 6 _  _ 5 _
-_ _ 7  _ _ 4  _ _ _
-_ _ _  _ 9 _  _ 8 _
-
-_ _ 9  1 _ 8  _ _ _
-_ 7 _  _ 4 _  9 _ _
-_ _ _  9 _ _  3 _ _
-
-SOLUTION:
-7 1 5  4 8 9  6 3 2
-8 2 4  3 7 6  5 9 1
-6 9 3  2 5 1  8 7 4
-
-2 4 8  7 6 3  1 5 9
-9 5 7  8 1 4  2 6 3
-1 3 6  5 9 2  4 8 7
-
-4 6 9  1 3 8  7 2 5
-3 7 2  6 4 5  9 1 8
-5 8 1  9 2 7  3 4 6
-
-RATING: 2
-DATA:
-{"puzzle":[6,7,null,3,null,null,null,null,null,null,null,null,null,null,2,null,null,3,5,null,null,1,null,null,null,null,7,null,null,8,null,0,1,4,null,null,null,null,null,2,null,null,1,null,null,7,null,null,null,5,null,0,null,null,0,null,null,4,null,null,null,null,null,8,null,null,null,null,null,null,0,null,4,null,null,null,2,5,3,null,null],"solution":[6,7,2,3,8,4,5,1,0,1,8,0,5,7,2,6,4,3,5,3,4,1,6,0,8,2,7,2,6,8,7,0,1,4,3,5,3,0,5,2,4,6,1,7,8,7,4,1,8,5,3,0,6,2,0,2,6,4,3,8,7,5,1,8,5,3,6,1,7,2,0,4,4,1,7,0,2,5,3,8,6]}
-PUZZLE:
-7 8 _  4 _ _  _ _ _
-_ _ _  _ _ 3  _ _ 4
-6 _ _  2 _ _  _ _ 8
-
-_ _ 9  _ 1 2  5 _ _
-_ _ _  3 _ _  2 _ _
-8 _ _  _ 6 _  1 _ _
-
-1 _ _  5 _ _  _ _ _
-9 _ _  _ _ _  _ 1 _
-5 _ _  _ 3 6  4 _ _
-
-SOLUTION:
-7 8 3  4 9 5  6 2 1
-2 9 1  6 8 3  7 5 4
-6 4 5  2 7 1  9 3 8
-
-3 7 9  8 1 2  5 4 6
-4 1 6  3 5 7  2 8 9
-8 5 2  9 6 4  1 7 3
-
-1 3 7  5 4 9  8 6 2
-9 6 4  7 2 8  3 1 5
-5 2 8  1 3 6  4 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,null,null,8,7,1,null,null,8,null,null,null,null,null,null,null,null,null,6,null,7,null,4,null,null,2,null,null,null,null,null,3,null,null,null,5,7,2,null,null,null,null,0,null,null,null,null,null,1,null,6,null,3,null,null,5,null,null,null,null,null,null,null,1,null,null,7,2,null,null,null,null,null,3,0,null,null,null,null],"solution":[0,4,2,6,3,8,7,1,5,7,8,5,1,2,4,0,3,6,1,3,6,0,7,5,4,2,8,2,1,8,4,6,0,3,5,7,6,5,7,2,8,3,1,4,0,4,0,3,7,5,1,8,6,2,3,7,0,5,1,2,6,8,4,5,6,1,8,4,7,2,0,3,8,2,4,3,0,6,5,7,1]}
-PUZZLE:
-_ 5 _  _ _ 9  8 2 _
-_ 9 _  _ _ _  _ _ _
-_ _ 7  _ 8 _  5 _ _
-
-3 _ _  _ _ _  4 _ _
-_ 6 8  3 _ _  _ _ 1
-_ _ _  _ _ 2  _ 7 _
-
-4 _ _  6 _ _  _ _ _
-_ _ 2  _ _ 8  3 _ _
-_ _ _  4 1 _  _ _ _
-
-SOLUTION:
-1 5 3  7 4 9  8 2 6
-8 9 6  2 3 5  1 4 7
-2 4 7  1 8 6  5 3 9
-
-3 2 9  5 7 1  4 6 8
-7 6 8  3 9 4  2 5 1
-5 1 4  8 6 2  9 7 3
-
-4 8 1  6 2 3  7 9 5
-6 7 2  9 5 8  3 1 4
-9 3 5  4 1 7  6 8 2
+1 2 3  4 7 9  6 8 5
+9 8 7  1 6 5  3 2 4
+6 4 5  2 8 3  1 9 7
 
 RATING: 2.25
 DATA:
-{"puzzle":[null,null,7,null,5,6,null,null,null,null,null,null,null,null,null,null,1,6,1,null,null,null,null,7,2,null,null,null,2,null,null,8,null,4,null,null,null,null,null,0,7,null,null,null,null,4,null,null,null,null,null,1,0,null,null,1,null,null,6,null,null,7,null,null,null,null,5,null,2,0,null,null,null,null,3,null,null,null,null,null,2],"solution":[2,4,7,1,5,6,3,8,0,0,8,5,2,4,3,7,1,6,1,3,6,8,0,7,2,5,4,7,2,0,6,8,1,4,3,5,3,5,1,0,7,4,6,2,8,4,6,8,3,2,5,1,0,7,5,1,2,4,6,0,8,7,3,8,7,4,5,3,2,0,6,1,6,0,3,7,1,8,5,4,2]}
+{"puzzle":[null,8,null,null,null,null,null,6,null,3,null,7,null,1,null,null,null,null,1,null,null,null,8,null,null,null,null,0,6,null,null,null,3,null,null,5,null,5,null,null,2,null,null,null,null,null,4,null,7,null,null,null,8,null,null,null,null,null,null,8,null,null,7,null,null,4,3,null,null,1,5,6,null,null,null,null,null,null,3,null,null],"solution":[4,8,5,2,3,0,7,6,1,3,2,7,6,1,5,8,0,4,1,0,6,4,8,7,5,3,2,0,6,1,8,4,3,2,7,5,7,5,8,0,2,6,4,1,3,2,4,3,7,5,1,6,8,0,5,3,2,1,6,8,0,4,7,8,7,4,3,0,2,1,5,6,6,1,0,5,7,4,3,2,8]}
 PUZZLE:
-_ _ 8  _ 6 7  _ _ _
-_ _ _  _ _ _  _ 2 7
-2 _ _  _ _ 8  3 _ _
+_ 9 _  _ _ _  _ 7 _
+4 _ 8  _ 2 _  _ _ _
+2 _ _  _ 9 _  _ _ _
 
-_ 3 _  _ 9 _  5 _ _
-_ _ _  1 8 _  _ _ _
-5 _ _  _ _ _  2 1 _
+1 7 _  _ _ 4  _ _ 6
+_ 6 _  _ 3 _  _ _ _
+_ 5 _  8 _ _  _ 9 _
 
-_ 2 _  _ 7 _  _ 8 _
-_ _ _  6 _ 3  1 _ _
-_ _ 4  _ _ _  _ _ 3
+_ _ _  _ _ 9  _ _ 8
+_ _ 5  4 _ _  2 6 7
+_ _ _  _ _ _  4 _ _
 
 SOLUTION:
-3 5 8  2 6 7  4 9 1
-1 9 6  3 5 4  8 2 7
-2 4 7  9 1 8  3 6 5
+5 9 6  3 4 1  8 7 2
+4 3 8  7 2 6  9 1 5
+2 1 7  5 9 8  6 4 3
 
-8 3 1  7 9 2  5 4 6
-4 6 2  1 8 5  7 3 9
-5 7 9  4 3 6  2 1 8
+1 7 2  9 5 4  3 8 6
+8 6 9  1 3 7  5 2 4
+3 5 4  8 6 2  7 9 1
 
-6 2 3  5 7 1  9 8 4
-9 8 5  6 4 3  1 7 2
-7 1 4  8 2 9  6 5 3
-
-RATING: 5
-DATA:
-{"puzzle":[null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,5,null,7,null,2,null,null,null,3,null,null,null,0,null,null,3,null,7,null,2,null,null,null,6,4,null,null,null,null,null,5,null,null,null,6,1,0,null,null,null,null,null,8,null,null,4,null,null,null,7,null,null,null,null,6,null,null,null,6,8,null,null,null,null,3,2],"solution":[8,0,1,7,4,5,2,6,3,6,4,3,0,2,8,5,1,7,7,2,5,6,1,3,8,4,0,0,8,4,3,5,7,1,2,6,2,1,6,4,8,0,3,7,5,5,3,7,2,6,1,0,8,4,3,5,2,8,7,6,4,0,1,4,7,0,1,3,2,6,5,8,1,6,8,5,0,4,7,3,2]}
-PUZZLE:
-_ _ _  _ 5 _  _ _ _
-_ _ _  _ _ _  6 _ 8
-_ 3 _  _ _ 4  _ _ _
-
-1 _ _  4 _ 8  _ 3 _
-_ _ 7  5 _ _  _ _ _
-6 _ _  _ 7 2  1 _ _
-
-_ _ _  9 _ _  5 _ _
-_ 8 _  _ _ _  7 _ _
-_ 7 9  _ _ _  _ 4 3
-
-SOLUTION:
-9 1 2  8 5 6  3 7 4
-7 5 4  1 3 9  6 2 8
-8 3 6  7 2 4  9 5 1
-
-1 9 5  4 6 8  2 3 7
-3 2 7  5 9 1  4 8 6
-6 4 8  3 7 2  1 9 5
-
-4 6 3  9 8 7  5 1 2
-5 8 1  2 4 3  7 6 9
-2 7 9  6 1 5  8 4 3
+6 4 3  2 7 9  1 5 8
+9 8 5  4 1 3  2 6 7
+7 2 1  6 8 5  4 3 9
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,3,null,null,null,1,6,null,null,null,null,0,4,null,null,null,null,5,null,null,null,null,null,null,2,null,null,1,2,null,null,null,0,null,null,null,5,null,null,null,null,null,null,null,2,4,null,null,0,8,null,7,null,null,null,1,null,null,null,null,null,7,null,null,null,4,null,1,3,null,null,null,null,null,null,5,null,8,null],"solution":[4,0,7,3,2,8,5,1,6,2,1,6,5,0,4,3,7,8,8,5,3,7,6,1,0,4,2,6,8,1,2,5,7,4,0,3,0,7,5,4,8,3,2,6,1,3,2,4,6,1,0,8,5,7,5,4,8,1,3,6,7,2,0,7,6,0,8,4,2,1,3,5,1,3,2,0,7,5,6,8,4]}
+{"puzzle":[null,5,null,0,null,null,null,7,null,2,null,null,null,null,null,null,null,0,null,7,null,null,null,null,null,8,3,6,8,null,null,null,null,2,null,null,null,null,null,8,null,null,4,5,null,null,0,4,null,null,null,null,null,7,null,null,null,6,null,null,7,null,null,0,null,1,null,null,null,null,null,null,3,null,null,null,1,4,null,null,null],"solution":[8,5,3,0,4,6,1,7,2,2,1,6,3,8,7,5,4,0,4,7,0,1,5,2,6,8,3,6,8,5,4,7,3,2,0,1,7,3,2,8,0,1,4,5,6,1,0,4,2,6,5,8,3,7,5,2,8,6,3,0,7,1,4,0,4,1,7,2,8,3,6,5,3,6,7,5,1,4,0,2,8]}
 PUZZLE:
-_ _ _  4 _ _  _ 2 7
-_ _ _  _ 1 5  _ _ _
-_ 6 _  _ _ _  _ _ 3
+_ 6 _  1 _ _  _ 8 _
+3 _ _  _ _ _  _ _ 1
+_ 8 _  _ _ _  _ 9 4
 
-_ _ 2  3 _ _  _ 1 _
-_ _ 6  _ _ _  _ _ _
-_ 3 5  _ _ 1  9 _ 8
+7 9 _  _ _ _  3 _ _
+_ _ _  9 _ _  5 6 _
+_ 1 5  _ _ _  _ _ 8
 
-_ _ _  2 _ _  _ _ _
-8 _ _  _ 5 _  2 4 _
-_ _ _  _ _ 6  _ 9 _
+_ _ _  7 _ _  8 _ _
+1 _ 2  _ _ _  _ _ _
+4 _ _  _ 2 5  _ _ _
 
 SOLUTION:
-5 1 8  4 3 9  6 2 7
-3 2 7  6 1 5  4 8 9
-9 6 4  8 7 2  1 5 3
+9 6 4  1 5 7  2 8 3
+3 2 7  4 9 8  6 5 1
+5 8 1  2 6 3  7 9 4
 
-7 9 2  3 6 8  5 1 4
-1 8 6  5 9 4  3 7 2
-4 3 5  7 2 1  9 6 8
+7 9 6  5 8 4  3 1 2
+8 4 3  9 1 2  5 6 7
+2 1 5  3 7 6  9 4 8
 
-6 5 9  2 4 7  8 3 1
-8 7 1  9 5 3  2 4 6
-2 4 3  1 8 6  7 9 5
+6 3 9  7 4 1  8 2 5
+1 5 2  8 3 9  4 7 6
+4 7 8  6 2 5  1 3 9
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,8,5,null,1,null,0,null,6,null,null,6,null,null,2,null,4,null,null,3,1,null,null,null,null,null,null,null,null,0,8,null,4,3,null,null,3,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,1,null,7,null,0,null,null,null,null,null,null,null,null,1,null,null,7,null,5,null,null,3,null,6,5,null,null,0],"solution":[4,8,5,3,1,7,0,2,6,7,0,6,5,8,2,1,4,3,2,3,1,4,0,6,8,5,7,6,1,0,8,5,4,3,7,2,3,2,4,6,7,1,5,0,8,8,5,7,2,3,0,4,6,1,5,7,8,0,2,3,6,1,4,0,6,2,1,4,8,7,3,5,1,4,3,7,6,5,2,8,0]}
+PUZZLE:
+_ 9 6  _ 2 _  1 _ 7
+_ _ 7  _ _ 3  _ 5 _
+_ 4 2  _ _ _  _ _ _
+
+_ _ 1  9 _ 5  4 _ _
+4 _ _  _ 8 _  _ _ _
+_ _ _  _ _ _  _ _ 2
+
+_ 8 _  1 _ _  _ _ _
+_ _ _  2 _ _  8 _ 6
+_ _ 4  _ 7 6  _ _ 1
+
+SOLUTION:
+5 9 6  4 2 8  1 3 7
+8 1 7  6 9 3  2 5 4
+3 4 2  5 1 7  9 6 8
+
+7 2 1  9 6 5  4 8 3
+4 3 5  7 8 2  6 1 9
+9 6 8  3 4 1  5 7 2
+
+6 8 9  1 3 4  7 2 5
+1 7 3  2 5 9  8 4 6
+2 5 4  8 7 6  3 9 1
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,6,null,null,null,null,2,null,null,null,null,null,null,null,null,5,null,null,null,1,null,null,3,8,null,0,null,6,null,null,null,null,null,null,null,1,4,7,null,5,null,null,null,null,5,null,2,null,1,6,7,8,null,null,null,null,0,null,2,null,null,1,null,null,null,4,null,5,0,null,null,2,null,null,null,null,null,null,null,null],"solution":[0,5,6,8,7,1,4,2,3,3,8,4,6,2,0,1,5,7,7,2,1,5,4,3,8,6,0,8,6,3,7,0,4,2,1,5,1,4,7,2,5,8,3,0,6,5,0,2,3,1,6,7,8,4,4,7,5,0,8,2,6,3,1,6,1,8,4,3,5,0,7,2,2,3,0,1,6,7,5,4,8]}
+{"puzzle":[null,null,5,1,null,null,null,null,null,null,2,null,null,null,null,null,null,3,null,null,null,null,null,7,null,4,null,0,1,4,null,null,null,null,null,null,null,null,null,3,null,1,null,null,null,null,6,null,5,2,null,null,0,null,null,null,null,null,3,6,null,null,2,1,8,null,4,null,null,null,7,null,null,null,0,null,null,null,null,null,null],"solution":[8,7,5,1,4,3,6,2,0,4,2,1,0,6,5,7,8,3,3,0,6,2,8,7,5,4,1,0,1,4,6,7,8,2,3,5,2,5,8,3,0,1,4,6,7,7,6,3,5,2,4,1,0,8,5,4,7,8,3,6,0,1,2,1,8,2,4,5,0,3,7,6,6,3,0,7,1,2,8,5,4]}
 PUZZLE:
-_ _ 7  _ _ _  _ 3 _
-_ _ _  _ _ _  _ 6 _
-_ _ 2  _ _ 4  9 _ 1
+_ _ 6  2 _ _  _ _ _
+_ 3 _  _ _ _  _ _ 4
+_ _ _  _ _ 8  _ 5 _
 
-_ 7 _  _ _ _  _ _ _
-2 5 8  _ 6 _  _ _ _
-6 _ 3  _ 2 7  8 9 _
+1 2 5  _ _ _  _ _ _
+_ _ _  4 _ 2  _ _ _
+_ 7 _  6 3 _  _ 1 _
 
-_ _ _  1 _ 3  _ _ 2
-_ _ _  5 _ 6  1 _ _
-3 _ _  _ _ _  _ _ _
+_ _ _  _ 4 7  _ _ 3
+2 9 _  5 _ _  _ 8 _
+_ _ 1  _ _ _  _ _ _
 
 SOLUTION:
-1 6 7  9 8 2  5 3 4
-4 9 5  7 3 1  2 6 8
-8 3 2  6 5 4  9 7 1
+9 8 6  2 5 4  7 3 1
+5 3 2  1 7 6  8 9 4
+4 1 7  3 9 8  6 5 2
 
-9 7 4  8 1 5  3 2 6
-2 5 8  3 6 9  4 1 7
-6 1 3  4 2 7  8 9 5
+1 2 5  7 8 9  3 4 6
+3 6 9  4 1 2  5 7 8
+8 7 4  6 3 5  2 1 9
 
-5 8 6  1 9 3  7 4 2
-7 2 9  5 4 6  1 8 3
-3 4 1  2 7 8  6 5 9
+6 5 8  9 4 7  1 2 3
+2 9 3  5 6 1  4 8 7
+7 4 1  8 2 3  9 6 5
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,0,null,5,null,4,null,8,null,null,3,7,null,null,null,null,null,null,null,null,null,null,3,6,null,4,1,null,2,5,7,8,null,7,2,null,null,4,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,3,null,0,null,6,3,null,4,null,null,2,null,null],"solution":[2,1,3,8,0,6,5,7,4,4,8,6,5,3,7,0,2,1,5,0,7,2,1,4,8,3,6,3,4,1,6,2,5,7,8,0,7,2,0,3,4,8,1,6,5,8,6,5,0,7,1,3,4,2,0,7,4,1,8,2,6,5,3,1,5,2,7,6,3,4,0,8,6,3,8,4,5,0,2,1,7]}
+{"puzzle":[7,0,null,null,null,null,null,null,1,null,null,1,null,null,null,5,null,null,null,null,null,null,null,3,6,null,0,0,null,null,null,null,null,null,null,null,null,1,null,null,4,null,null,6,null,null,6,null,5,null,8,null,null,null,null,null,5,null,null,0,7,null,null,4,null,null,2,null,null,1,null,3,2,null,null,null,null,1,null,null,5],"solution":[7,0,3,8,6,5,2,4,1,6,2,1,7,0,4,5,3,8,8,5,4,1,2,3,6,7,0,0,4,7,3,1,6,8,5,2,5,1,8,0,4,2,3,6,7,3,6,2,5,7,8,0,1,4,1,3,5,4,8,0,7,2,6,4,8,6,2,5,7,1,0,3,2,7,0,6,3,1,4,8,5]}
 PUZZLE:
-_ _ _  _ 1 _  6 _ 5
-_ 9 _  _ 4 8  _ _ _
-_ _ _  _ _ _  _ 4 7
+8 1 _  _ _ _  _ _ 2
+_ _ 2  _ _ _  6 _ _
+_ _ _  _ _ 4  7 _ 1
 
-_ 5 2  _ 3 6  8 9 _
-8 3 _  _ 5 _  _ _ _
-_ _ _  _ _ 2  _ _ _
+1 _ _  _ _ _  _ _ _
+_ 2 _  _ 5 _  _ 7 _
+_ 7 _  6 _ 9  _ _ _
 
-_ _ _  _ _ _  _ _ _
-2 _ _  _ _ 4  _ 1 _
-7 4 _  5 _ _  3 _ _
+_ _ 6  _ _ 1  8 _ _
+5 _ _  3 _ _  2 _ 4
+3 _ _  _ _ 2  _ _ 6
 
 SOLUTION:
-3 2 4  9 1 7  6 8 5
-5 9 7  6 4 8  1 3 2
-6 1 8  3 2 5  9 4 7
+8 1 4  9 7 6  3 5 2
+7 3 2  8 1 5  6 4 9
+9 6 5  2 3 4  7 8 1
 
-4 5 2  7 3 6  8 9 1
-8 3 1  4 5 9  2 7 6
-9 7 6  1 8 2  4 5 3
+1 5 8  4 2 7  9 6 3
+6 2 9  1 5 3  4 7 8
+4 7 3  6 8 9  1 2 5
 
-1 8 5  2 9 3  7 6 4
-2 6 3  8 7 4  5 1 9
-7 4 9  5 6 1  3 2 8
+2 4 6  5 9 1  8 3 7
+5 9 7  3 6 8  2 1 4
+3 8 1  7 4 2  5 9 6
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,0,null,null,null,4,8,null,null,null,null,null,5,8,null,7,null,null,8,null,null,6,null,null,2,null,2,null,3,null,null,0,null,null,null,null,null,7,null,null,null,8,null,null,1,null,null,null,null,null,6,null,null,null,null,null,7,3,null,1,null,null,null,3,null,6,null,null,null,null,null,null,null,null,4,null,2,null,null,null],"solution":[6,1,0,2,7,3,4,8,5,3,4,2,1,5,8,0,7,6,7,8,5,0,6,4,3,2,1,2,6,3,8,1,0,7,5,4,4,5,7,3,2,6,8,1,0,1,0,8,5,4,7,6,3,2,0,2,6,7,3,5,1,4,8,5,3,4,6,8,1,2,0,7,8,7,1,4,0,2,5,6,3]}
+PUZZLE:
+_ _ 1  _ _ _  5 9 _
+_ _ _  _ 6 9  _ 8 _
+_ 9 _  _ 7 _  _ 3 _
+
+3 _ 4  _ _ 1  _ _ _
+_ _ 8  _ _ _  9 _ _
+2 _ _  _ _ _  7 _ _
+
+_ _ _  8 4 _  2 _ _
+_ 4 _  7 _ _  _ _ _
+_ _ _  5 _ 3  _ _ _
+
+SOLUTION:
+7 2 1  3 8 4  5 9 6
+4 5 3  2 6 9  1 8 7
+8 9 6  1 7 5  4 3 2
+
+3 7 4  9 2 1  8 6 5
+5 6 8  4 3 7  9 2 1
+2 1 9  6 5 8  7 4 3
+
+1 3 7  8 4 6  2 5 9
+6 4 5  7 9 2  3 1 8
+9 8 2  5 1 3  6 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[0,null,7,6,4,null,null,null,null,null,null,null,5,null,null,1,null,null,null,4,null,null,null,null,null,null,8,null,6,2,null,null,null,null,null,null,null,null,5,2,null,null,null,null,4,null,null,null,null,8,0,null,null,null,null,7,null,null,6,null,2,null,null,1,null,null,null,null,null,null,3,null,null,5,null,null,null,3,0,null,6],"solution":[0,1,7,6,4,8,5,2,3,6,2,8,5,3,7,1,4,0,5,4,3,1,0,2,7,6,8,7,6,2,3,5,4,8,0,1,8,0,5,2,1,6,3,7,4,4,3,1,7,8,0,6,5,2,3,7,0,4,6,1,2,8,5,1,8,6,0,2,5,4,3,7,2,5,4,8,7,3,0,1,6]}
+PUZZLE:
+1 _ 8  7 5 _  _ _ _
+_ _ _  6 _ _  2 _ _
+_ 5 _  _ _ _  _ _ 9
+
+_ 7 3  _ _ _  _ _ _
+_ _ 6  3 _ _  _ _ 5
+_ _ _  _ 9 1  _ _ _
+
+_ 8 _  _ 7 _  3 _ _
+2 _ _  _ _ _  _ 4 _
+_ 6 _  _ _ 4  1 _ 7
+
+SOLUTION:
+1 2 8  7 5 9  6 3 4
+7 3 9  6 4 8  2 5 1
+6 5 4  2 1 3  8 7 9
+
+8 7 3  4 6 5  9 1 2
+9 1 6  3 2 7  4 8 5
+5 4 2  8 9 1  7 6 3
+
+4 8 1  5 7 2  3 9 6
+2 9 7  1 3 6  5 4 8
+3 6 5  9 8 4  1 2 7
 
 RATING: 1
 DATA:
-{"puzzle":[null,null,3,5,null,null,null,2,1,null,5,null,3,null,null,null,null,null,null,null,8,null,null,null,null,6,null,null,null,null,null,null,3,5,0,null,null,6,null,null,7,null,8,null,null,2,null,null,1,5,null,null,7,null,null,null,null,null,1,null,null,null,null,null,null,7,null,null,6,null,null,null,null,4,null,0,null,null,6,null,null],"solution":[6,7,3,5,8,4,0,2,1,0,5,2,3,6,1,7,8,4,4,1,8,7,0,2,3,6,5,7,8,1,6,4,3,5,0,2,5,6,4,2,7,0,8,1,3,2,3,0,1,5,8,4,7,6,3,0,6,8,1,5,2,4,7,8,2,7,4,3,6,1,5,0,1,4,5,0,2,7,6,3,8]}
+{"puzzle":[null,null,null,null,null,null,4,null,null,0,null,null,null,2,null,8,null,null,null,null,3,null,null,7,null,null,6,4,null,null,null,0,null,5,null,null,null,1,null,null,null,null,null,null,2,8,null,null,null,null,4,0,1,null,null,null,null,0,null,null,null,null,3,null,6,null,5,7,null,null,2,null,null,null,7,null,null,null,null,null,null],"solution":[7,2,8,6,1,0,4,3,5,0,5,6,4,2,3,8,7,1,1,4,3,8,5,7,2,0,6,4,7,2,3,0,1,5,6,8,6,1,0,7,8,5,3,4,2,8,3,5,2,6,4,0,1,7,2,8,1,0,4,6,7,5,3,3,6,4,5,7,8,1,2,0,5,0,7,1,3,2,6,8,4]}
 PUZZLE:
-_ _ 4  6 _ _  _ 3 2
-_ 6 _  4 _ _  _ _ _
-_ _ 9  _ _ _  _ 7 _
+_ _ _  _ _ _  5 _ _
+1 _ _  _ 3 _  9 _ _
+_ _ 4  _ _ 8  _ _ 7
 
-_ _ _  _ _ 4  6 1 _
-_ 7 _  _ 8 _  9 _ _
-3 _ _  2 6 _  _ 8 _
+5 _ _  _ 1 _  6 _ _
+_ 2 _  _ _ _  _ _ 3
+9 _ _  _ _ 5  1 2 _
 
-_ _ _  _ 2 _  _ _ _
-_ _ 8  _ _ 7  _ _ _
-_ 5 _  1 _ _  7 _ _
+_ _ _  1 _ _  _ _ 4
+_ 7 _  6 8 _  _ 3 _
+_ _ 8  _ _ _  _ _ _
 
 SOLUTION:
-7 8 4  6 9 5  1 3 2
-1 6 3  4 7 2  8 9 5
-5 2 9  8 1 3  4 7 6
+8 3 9  7 2 1  5 4 6
+1 6 7  5 3 4  9 8 2
+2 5 4  9 6 8  3 1 7
 
-8 9 2  7 5 4  6 1 3
-6 7 5  3 8 1  9 2 4
-3 4 1  2 6 9  5 8 7
+5 8 3  4 1 2  6 7 9
+7 2 1  8 9 6  4 5 3
+9 4 6  3 7 5  1 2 8
 
-4 1 7  9 2 6  3 5 8
-9 3 8  5 4 7  2 6 1
-2 5 6  1 3 8  7 4 9
+3 9 2  1 5 7  8 6 4
+4 7 5  6 8 9  2 3 1
+6 1 8  2 4 3  7 9 5
 
-RATING: 0
+RATING: 1
 DATA:
-{"puzzle":[6,2,null,null,null,null,null,null,4,0,null,null,null,7,null,5,null,null,null,null,null,null,0,null,null,null,8,null,null,2,0,null,null,null,4,null,7,null,null,null,null,5,8,null,3,null,null,null,null,null,null,null,null,7,null,0,7,null,5,null,null,null,null,3,null,null,null,4,1,null,null,null,null,null,null,3,null,null,1,null,null],"solution":[6,2,1,5,3,8,7,0,4,0,8,3,1,7,4,5,6,2,4,7,5,2,0,6,3,1,8,5,3,2,0,8,7,6,4,1,7,6,0,4,1,5,8,2,3,8,1,4,6,2,3,0,5,7,1,0,7,8,5,2,4,3,6,3,5,6,7,4,1,2,8,0,2,4,8,3,6,0,1,7,5]}
+{"puzzle":[7,null,2,null,null,0,8,null,null,null,null,6,5,null,null,7,null,1,null,5,4,null,null,null,null,null,3,0,null,1,null,6,null,null,null,null,4,null,7,null,1,null,null,null,null,null,null,null,7,null,null,null,1,null,null,null,null,4,null,null,5,2,null,null,null,0,null,2,null,null,null,7,null,null,null,null,null,null,null,null,8],"solution":[7,3,2,1,4,0,8,5,6,8,0,6,5,3,2,7,4,1,1,5,4,6,8,7,2,0,3,0,8,1,2,6,4,3,7,5,4,6,7,3,1,5,0,8,2,3,2,5,7,0,8,6,1,4,6,1,8,4,7,3,5,2,0,5,4,0,8,2,6,1,3,7,2,7,3,0,5,1,4,6,8]}
 PUZZLE:
-7 3 _  _ _ _  _ _ 5
-1 _ _  _ 8 _  6 _ _
-_ _ _  _ 1 _  _ _ 9
+8 _ 3  _ _ 1  9 _ _
+_ _ 7  6 _ _  8 _ 2
+_ 6 5  _ _ _  _ _ 4
 
-_ _ 3  1 _ _  _ 5 _
-8 _ _  _ _ 6  9 _ 4
-_ _ _  _ _ _  _ _ 8
+1 _ 2  _ 7 _  _ _ _
+5 _ 8  _ 2 _  _ _ _
+_ _ _  8 _ _  _ 2 _
 
-_ 1 8  _ 6 _  _ _ _
-4 _ _  _ 5 2  _ _ _
-_ _ _  4 _ _  2 _ _
+_ _ _  5 _ _  6 3 _
+_ _ 1  _ 3 _  _ _ 8
+_ _ _  _ _ _  _ _ 9
 
 SOLUTION:
-7 3 2  6 4 9  8 1 5
-1 9 4  2 8 5  6 7 3
-5 8 6  3 1 7  4 2 9
+8 4 3  2 5 1  9 6 7
+9 1 7  6 4 3  8 5 2
+2 6 5  7 9 8  3 1 4
 
-6 4 3  1 9 8  7 5 2
-8 7 1  5 2 6  9 3 4
-9 2 5  7 3 4  1 6 8
+1 9 2  3 7 5  4 8 6
+5 7 8  4 2 6  1 9 3
+4 3 6  8 1 9  7 2 5
 
-2 1 8  9 6 3  5 4 7
-4 6 7  8 5 2  3 9 1
-3 5 9  4 7 1  2 8 6
+7 2 9  5 8 4  6 3 1
+6 5 1  9 3 7  2 4 8
+3 8 4  1 6 2  5 7 9
 
-RATING: 1.5
+RATING: 2.5
 DATA:
-{"puzzle":[null,null,7,null,null,6,0,1,3,null,null,null,5,null,null,null,null,6,null,2,4,null,null,null,5,null,null,null,null,null,0,null,null,null,null,null,null,null,1,null,null,null,4,6,null,null,7,null,null,null,null,null,null,2,4,null,0,null,8,null,null,null,null,null,8,null,1,null,5,null,null,null,null,null,null,null,null,4,3,null,null],"solution":[8,5,7,2,4,6,0,1,3,1,0,3,5,7,8,2,4,6,6,2,4,3,1,0,5,8,7,5,4,8,0,6,2,7,3,1,2,3,1,8,5,7,4,6,0,0,7,6,4,3,1,8,5,2,4,6,0,7,8,3,1,2,5,3,8,2,1,0,5,6,7,4,7,1,5,6,2,4,3,0,8]}
+{"puzzle":[null,0,5,null,null,2,null,null,null,null,4,null,6,null,7,null,null,null,null,null,null,1,null,5,3,null,null,null,null,1,null,4,null,null,null,0,null,2,null,null,null,null,null,null,8,null,null,null,null,null,6,null,null,1,null,null,2,3,null,null,5,null,null,null,null,3,null,null,null,8,null,null,8,null,6,null,null,1,null,null,null],"solution":[3,0,5,4,8,2,1,6,7,1,4,8,6,3,7,0,2,5,2,6,7,1,0,5,3,8,4,6,8,1,2,4,3,7,5,0,5,2,4,7,1,0,6,3,8,7,3,0,8,5,6,2,4,1,4,1,2,3,7,8,5,0,6,0,7,3,5,6,4,8,1,2,8,5,6,0,2,1,4,7,3]}
 PUZZLE:
-_ _ 8  _ _ 7  1 2 4
-_ _ _  6 _ _  _ _ 7
-_ 3 5  _ _ _  6 _ _
+_ 1 6  _ _ 3  _ _ _
+_ 5 _  7 _ 8  _ _ _
+_ _ _  2 _ 6  4 _ _
 
-_ _ _  1 _ _  _ _ _
-_ _ 2  _ _ _  5 7 _
-_ 8 _  _ _ _  _ _ 3
+_ _ 2  _ 5 _  _ _ 1
+_ 3 _  _ _ _  _ _ 9
+_ _ _  _ _ 7  _ _ 2
 
-5 _ 1  _ 9 _  _ _ _
-_ 9 _  2 _ 6  _ _ _
-_ _ _  _ _ 5  4 _ _
+_ _ 3  4 _ _  6 _ _
+_ _ 4  _ _ _  9 _ _
+9 _ 7  _ _ 2  _ _ _
 
 SOLUTION:
-9 6 8  3 5 7  1 2 4
-2 1 4  6 8 9  3 5 7
-7 3 5  4 2 1  6 9 8
+4 1 6  5 9 3  2 7 8
+2 5 9  7 4 8  1 3 6
+3 7 8  2 1 6  4 9 5
 
-6 5 9  1 7 3  8 4 2
-3 4 2  9 6 8  5 7 1
-1 8 7  5 4 2  9 6 3
+7 9 2  3 5 4  8 6 1
+6 3 5  8 2 1  7 4 9
+8 4 1  9 6 7  3 5 2
 
-5 7 1  8 9 4  2 3 6
-4 9 3  2 1 6  7 8 5
-8 2 6  7 3 5  4 1 9
+5 2 3  4 8 9  6 1 7
+1 8 4  6 7 5  9 2 3
+9 6 7  1 3 2  5 8 4
+
+RATING: 2.25
+DATA:
+{"puzzle":[2,null,null,null,null,7,null,null,4,null,null,null,8,5,null,null,1,2,null,null,null,null,null,null,8,null,null,null,2,null,null,null,4,null,null,7,null,null,1,null,null,null,null,5,null,4,null,null,null,null,null,null,null,3,8,null,0,1,null,null,null,null,null,null,4,6,7,null,null,null,null,null,null,null,null,5,null,null,7,8,null],"solution":[2,1,8,3,6,7,5,0,4,7,6,4,8,5,0,3,1,2,0,5,3,4,2,1,8,7,6,3,2,5,0,8,4,1,6,7,6,0,1,2,7,3,4,5,8,4,8,7,6,1,5,0,2,3,8,7,0,1,3,2,6,4,5,5,4,6,7,0,8,2,3,1,1,3,2,5,4,6,7,8,0]}
+PUZZLE:
+3 _ _  _ _ 8  _ _ 5
+_ _ _  9 6 _  _ 2 3
+_ _ _  _ _ _  9 _ _
+
+_ 3 _  _ _ 5  _ _ 8
+_ _ 2  _ _ _  _ 6 _
+5 _ _  _ _ _  _ _ 4
+
+9 _ 1  2 _ _  _ _ _
+_ 5 7  8 _ _  _ _ _
+_ _ _  6 _ _  8 9 _
+
+SOLUTION:
+3 2 9  4 7 8  6 1 5
+8 7 5  9 6 1  4 2 3
+1 6 4  5 3 2  9 8 7
+
+4 3 6  1 9 5  2 7 8
+7 1 2  3 8 4  5 6 9
+5 9 8  7 2 6  1 3 4
+
+9 8 1  2 4 3  7 5 6
+6 5 7  8 1 9  3 4 2
+2 4 3  6 5 7  8 9 1
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,6,null,3,null,null,null,8,null,null,0,null,4,null,null,null,null,4,null,null,null,null,null,5,1,null,3,null,null,null,null,null,null,5,null,null,5,null,8,null,null,2,null,null,null,null,null,1,5,null,null,0,null,null,null,null,null,null,8,7,null,null,8,null,1,null,null,7,null,null,null,null,6,null,null,0,null,null,null,4],"solution":[2,1,6,7,3,5,0,4,8,5,8,0,2,4,1,6,7,3,4,7,3,0,8,6,5,1,2,3,0,7,6,2,4,8,5,1,1,5,4,8,7,0,2,3,6,6,2,8,1,5,3,4,0,7,0,3,2,4,1,8,7,6,5,8,4,1,5,6,7,3,2,0,7,6,5,3,0,2,1,8,4]}
+PUZZLE:
+_ _ 7  _ 4 _  _ _ 9
+_ _ 1  _ 5 _  _ _ _
+5 _ _  _ _ _  6 2 _
+
+4 _ _  _ _ _  _ 6 _
+_ 6 _  9 _ _  3 _ _
+_ _ _  2 6 _  _ 1 _
+
+_ _ _  _ _ 9  8 _ _
+9 _ 2  _ _ 8  _ _ _
+_ 7 _  _ 1 _  _ _ 5
+
+SOLUTION:
+3 2 7  8 4 6  1 5 9
+6 9 1  3 5 2  7 8 4
+5 8 4  1 9 7  6 2 3
+
+4 1 8  7 3 5  9 6 2
+2 6 5  9 8 1  3 4 7
+7 3 9  2 6 4  5 1 8
+
+1 4 3  5 2 9  8 7 6
+9 5 2  6 7 8  4 3 1
+8 7 6  4 1 3  2 9 5
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,7,null,6,null,null,1,null,2,null,null,4,null,null,null,null,null,null,3,null,null,null,null,null,8,null,0,null,null,null,null,null,5,null,0,1,8,null,null,1,null,7,null,null,null,null,null,3,null,null,null,null,null,null,null,null,1,null,5,6,null,null,3,null,4,null,null,null,2,5,null,6,null,null,null,null,null,1,null,8,null],"solution":[5,7,8,6,0,3,1,4,2,0,1,4,5,2,8,6,3,7,3,6,2,7,1,4,8,5,0,4,2,7,8,6,5,3,0,1,8,0,6,1,3,7,4,2,5,1,5,3,2,4,0,7,6,8,2,8,1,4,5,6,0,7,3,7,4,0,3,8,2,5,1,6,6,3,5,0,7,1,2,8,4]}
+PUZZLE:
+_ 8 _  7 _ _  2 _ 3
+_ _ 5  _ _ _  _ _ _
+4 _ _  _ _ _  9 _ 1
+
+_ _ _  _ _ 6  _ 1 2
+9 _ _  2 _ 8  _ _ _
+_ _ 4  _ _ _  _ _ _
+
+_ _ 2  _ 6 7  _ _ 4
+_ 5 _  _ _ 3  6 _ 7
+_ _ _  _ _ 2  _ 9 _
+
+SOLUTION:
+6 8 9  7 1 4  2 5 3
+1 2 5  6 3 9  7 4 8
+4 7 3  8 2 5  9 6 1
+
+5 3 8  9 7 6  4 1 2
+9 1 7  2 4 8  5 3 6
+2 6 4  3 5 1  8 7 9
+
+3 9 2  5 6 7  1 8 4
+8 5 1  4 9 3  6 2 7
+7 4 6  1 8 2  3 9 5
 
 RATING: 1.75
 DATA:
-{"puzzle":[null,7,1,3,8,null,null,2,null,null,null,5,null,0,null,null,null,8,null,null,8,null,null,4,null,5,null,null,4,null,7,null,null,null,null,null,null,null,null,1,null,null,null,null,2,null,null,null,null,null,3,null,4,null,null,8,null,null,null,null,null,null,1,null,1,null,null,null,null,0,null,null,null,null,0,5,null,7,3,null,null],"solution":[6,7,1,3,8,5,4,2,0,4,2,5,6,0,1,7,3,8,3,0,8,2,7,4,1,5,6,0,4,2,7,5,8,6,1,3,8,3,7,1,4,6,5,0,2,1,5,6,0,2,3,8,4,7,5,8,3,4,6,0,2,7,1,7,1,4,8,3,2,0,6,5,2,6,0,5,1,7,3,8,4]}
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,6,2,5,null,null,null,null,1,2,null,null,null,6,null,null,null,null,null,null,null,null,1,0,null,3,null,4,null,null,null,null,null,6,null,2,null,null,null,7,4,null,null,null,7,null,null,null,3,null,null,null,1,null,null,null,null,null,2,null,0,null,5,null,null,null,null,null,6,8,null],"solution":[0,5,4,1,8,3,2,7,6,3,8,6,2,5,7,4,1,0,1,2,7,0,4,6,8,3,5,6,7,5,8,2,1,0,4,3,8,4,1,3,0,5,7,6,2,2,0,3,6,7,4,1,5,8,7,6,0,4,3,8,5,2,1,4,1,8,5,6,2,3,0,7,5,3,2,7,1,0,6,8,4]}
 PUZZLE:
-_ 8 2  4 9 _  _ 3 _
-_ _ 6  _ 1 _  _ _ 9
-_ _ 9  _ _ 5  _ 6 _
+_ _ _  _ _ _  _ _ _
+_ _ 7  3 6 _  _ _ _
+2 3 _  _ _ 7  _ _ _
 
-_ 5 _  8 _ _  _ _ _
-_ _ _  2 _ _  _ _ 3
-_ _ _  _ _ 4  _ 5 _
+_ _ _  _ _ 2  1 _ 4
+_ 5 _  _ _ _  _ 7 _
+3 _ _  _ 8 5  _ _ _
 
-_ 9 _  _ _ _  _ _ 2
-_ 2 _  _ _ _  1 _ _
-_ _ 1  6 _ 8  4 _ _
+8 _ _  _ 4 _  _ _ 2
+_ _ _  _ _ 3  _ 1 _
+6 _ _  _ _ _  7 9 _
 
 SOLUTION:
-7 8 2  4 9 6  5 3 1
-5 3 6  7 1 2  8 4 9
-4 1 9  3 8 5  2 6 7
+1 6 5  2 9 4  3 8 7
+4 9 7  3 6 8  5 2 1
+2 3 8  1 5 7  9 4 6
 
-1 5 3  8 6 9  7 2 4
-9 4 8  2 5 7  6 1 3
-2 6 7  1 3 4  9 5 8
+7 8 6  9 3 2  1 5 4
+9 5 2  4 1 6  8 7 3
+3 1 4  7 8 5  2 6 9
 
-6 9 4  5 7 1  3 8 2
-8 2 5  9 4 3  1 7 6
-3 7 1  6 2 8  4 9 5
+8 7 1  5 4 9  6 3 2
+5 2 9  6 7 3  4 1 8
+6 4 3  8 2 1  7 9 5
 
-RATING: 1
+RATING: 4
 DATA:
-{"puzzle":[null,8,null,3,1,null,null,4,null,1,null,null,6,null,7,null,0,null,null,4,null,null,null,null,null,null,null,8,null,null,null,null,1,null,null,5,null,null,3,null,0,null,8,null,null,null,5,null,null,null,3,null,null,4,null,null,null,null,null,null,null,6,null,2,null,4,null,null,null,null,null,null,null,null,7,null,2,null,3,null,null],"solution":[0,8,5,3,1,2,6,4,7,1,3,2,6,4,7,5,0,8,7,4,6,0,5,8,1,2,3,8,7,0,4,6,1,2,3,5,4,2,3,7,0,5,8,1,6,6,5,1,2,8,3,0,7,4,3,1,8,5,7,0,4,6,2,2,0,4,8,3,6,7,5,1,5,6,7,1,2,4,3,8,0]}
+{"puzzle":[null,6,null,null,null,2,null,null,null,null,0,null,6,null,null,null,null,null,null,null,2,5,8,null,null,null,1,null,null,8,0,2,null,4,null,null,null,1,null,null,null,null,null,6,2,null,null,null,null,null,5,null,1,null,null,4,null,null,null,null,7,null,8,null,2,7,null,5,null,null,null,null,null,null,null,null,0,null,null,3,4],"solution":[5,6,4,1,3,2,0,8,7,8,0,1,6,4,7,3,2,5,7,3,2,5,8,0,6,4,1,6,5,8,0,2,1,4,7,3,4,1,0,3,7,8,5,6,2,2,7,3,4,6,5,8,1,0,0,4,6,2,1,3,7,5,8,3,2,7,8,5,4,1,0,6,1,8,5,7,0,6,2,3,4]}
 PUZZLE:
-_ 9 _  4 2 _  _ 5 _
-2 _ _  7 _ 8  _ 1 _
-_ 5 _  _ _ _  _ _ _
+_ 7 _  _ _ 3  _ _ _
+_ 1 _  7 _ _  _ _ _
+_ _ 3  6 9 _  _ _ 2
 
-9 _ _  _ _ 2  _ _ 6
-_ _ 4  _ 1 _  9 _ _
-_ 6 _  _ _ 4  _ _ 5
+_ _ 9  1 3 _  5 _ _
+_ 2 _  _ _ _  _ 7 3
+_ _ _  _ _ 6  _ 2 _
 
-_ _ _  _ _ _  _ 7 _
-3 _ 5  _ _ _  _ _ _
-_ _ 8  _ 3 _  4 _ _
+_ 5 _  _ _ _  8 _ 9
+_ 3 8  _ 6 _  _ _ _
+_ _ _  _ 1 _  _ 4 5
 
 SOLUTION:
-1 9 6  4 2 3  7 5 8
-2 4 3  7 5 8  6 1 9
-8 5 7  1 6 9  2 3 4
+6 7 5  2 4 3  1 9 8
+9 1 2  7 5 8  4 3 6
+8 4 3  6 9 1  7 5 2
 
-9 8 1  5 7 2  3 4 6
-5 3 4  8 1 6  9 2 7
-7 6 2  3 9 4  1 8 5
+7 6 9  1 3 2  5 8 4
+5 2 1  4 8 9  6 7 3
+3 8 4  5 7 6  9 2 1
 
-4 2 9  6 8 1  5 7 3
-3 1 5  9 4 7  8 6 2
-6 7 8  2 3 5  4 9 1
+1 5 7  3 2 4  8 6 9
+4 3 8  9 6 5  2 1 7
+2 9 6  8 1 7  3 4 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[5,null,null,1,null,null,0,null,null,null,null,null,null,7,null,null,2,null,null,0,8,null,null,null,7,null,null,null,null,7,4,null,null,null,1,null,1,5,null,0,null,null,null,null,null,null,3,null,null,null,null,null,7,null,null,null,null,8,null,3,2,0,null,null,null,3,null,null,null,null,null,null,null,8,null,7,4,1,null,3,null],"solution":[5,7,2,1,8,4,0,6,3,3,6,1,5,7,0,4,2,8,4,0,8,3,2,6,7,5,1,0,2,7,4,5,8,3,1,6,1,5,6,0,3,7,8,4,2,8,3,4,6,1,2,5,7,0,7,1,5,8,6,3,2,0,4,6,4,3,2,0,5,1,8,7,2,8,0,7,4,1,6,3,5]}
+PUZZLE:
+6 _ _  2 _ _  1 _ _
+_ _ _  _ 8 _  _ 3 _
+_ 1 9  _ _ _  8 _ _
+
+_ _ 8  5 _ _  _ 2 _
+2 6 _  1 _ _  _ _ _
+_ 4 _  _ _ _  _ 8 _
+
+_ _ _  9 _ 4  3 1 _
+_ _ 4  _ _ _  _ _ _
+_ 9 _  8 5 2  _ 4 _
+
+SOLUTION:
+6 8 3  2 9 5  1 7 4
+4 7 2  6 8 1  5 3 9
+5 1 9  4 3 7  8 6 2
+
+1 3 8  5 6 9  4 2 7
+2 6 7  1 4 8  9 5 3
+9 4 5  7 2 3  6 8 1
+
+8 2 6  9 7 4  3 1 5
+7 5 4  3 1 6  2 9 8
+3 9 1  8 5 2  7 4 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[6,null,null,7,null,null,4,null,null,null,null,null,null,1,6,null,null,null,1,null,null,null,null,null,null,null,0,null,null,6,5,null,null,null,null,null,null,null,7,null,null,2,8,null,null,null,8,null,null,4,null,null,5,null,8,null,1,null,0,7,null,null,3,null,null,null,null,null,1,null,null,null,null,null,null,4,3,null,7,null,null],"solution":[6,2,0,7,8,3,4,1,5,3,5,4,0,1,6,2,7,8,1,7,8,2,5,4,3,6,0,4,0,6,5,7,8,1,3,2,5,1,7,3,6,2,8,0,4,2,8,3,1,4,0,6,5,7,8,4,1,6,0,7,5,2,3,7,3,5,8,2,1,0,4,6,0,6,2,4,3,5,7,8,1]}
+PUZZLE:
+7 _ _  8 _ _  5 _ _
+_ _ _  _ 2 7  _ _ _
+2 _ _  _ _ _  _ _ 1
+
+_ _ 7  6 _ _  _ _ _
+_ _ 8  _ _ 3  9 _ _
+_ 9 _  _ 5 _  _ 6 _
+
+9 _ 2  _ 1 8  _ _ 4
+_ _ _  _ _ 2  _ _ _
+_ _ _  5 4 _  8 _ _
+
+SOLUTION:
+7 3 1  8 9 4  5 2 6
+4 6 5  1 2 7  3 8 9
+2 8 9  3 6 5  4 7 1
+
+5 1 7  6 8 9  2 4 3
+6 2 8  4 7 3  9 1 5
+3 9 4  2 5 1  7 6 8
+
+9 5 2  7 1 8  6 3 4
+8 4 6  9 3 2  1 5 7
+1 7 3  5 4 6  8 9 2
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,null,1,0,null,null,5,null,2,null,8,6,3,null,null,null,null,null,null,null,5,5,null,null,4,null,null,2,null,0,null,null,null,1,null,null,null,5,null,6,0,null,null,null,null,7,null,null,4,null,null,null,null,null,null,null,null,null,5,8,null,null,null,null,null,null,2,6,null,null,7,null,null,null,null],"solution":[8,2,5,3,6,4,0,7,1,0,4,7,5,1,2,3,8,6,3,1,6,7,8,0,4,2,5,5,8,1,4,3,7,2,6,0,7,3,2,1,0,6,8,5,4,6,0,4,8,2,5,7,1,3,4,7,0,6,5,8,1,3,2,1,5,8,2,4,3,6,0,7,2,6,3,0,7,1,5,4,8]}
+PUZZLE:
+_ _ _  _ _ 5  _ _ 2
+1 _ _  6 _ 3  _ 9 7
+4 _ _  _ _ _  _ _ 6
+
+6 _ _  5 _ _  3 _ 1
+_ _ _  2 _ _  _ 6 _
+7 1 _  _ _ _  8 _ _
+
+5 _ _  _ _ _  _ _ _
+_ 6 9  _ _ _  _ _ _
+3 7 _  _ 8 _  _ _ _
+
+SOLUTION:
+9 3 6  4 7 5  1 8 2
+1 5 8  6 2 3  4 9 7
+4 2 7  8 9 1  5 3 6
+
+6 9 2  5 4 8  3 7 1
+8 4 3  2 1 7  9 6 5
+7 1 5  9 3 6  8 2 4
+
+5 8 1  7 6 9  2 4 3
+2 6 9  3 5 4  7 1 8
+3 7 4  1 8 2  6 5 9
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,7,0,null,1,null,null,null,2,null,3,null,null,null,null,null,6,null,null,null,null,null,null,null,7,null,null,6,null,null,null,5,1,null,null,null,null,2,null,null,null,8,null,null,0,null,null,3,null,6,5,4,null,null,null,null,null,null,7,null,null,null,8,null,null,6,null,null,null,1,null,null,3,null,null,4,null],"solution":[4,3,2,6,8,7,0,5,1,0,5,1,2,4,3,7,6,8,7,8,6,5,0,1,2,3,4,3,7,0,4,6,8,1,2,5,1,6,5,3,7,2,4,8,0,8,2,4,0,1,5,3,7,6,5,4,3,1,2,6,8,0,7,2,0,7,8,5,4,6,1,3,6,1,8,7,3,0,5,4,2]}
+PUZZLE:
+_ _ _  _ _ 8  1 _ 2
+_ _ _  3 _ 4  _ _ _
+_ _ 7  _ _ _  _ _ _
+
+_ 8 _  _ 7 _  _ _ 6
+2 _ _  _ _ 3  _ _ _
+9 _ _  1 _ _  4 _ 7
+
+6 5 _  _ _ _  _ _ 8
+_ _ _  9 _ _  7 _ _
+_ 2 _  _ 4 _  _ 5 _
+
+SOLUTION:
+5 4 3  7 9 8  1 6 2
+1 6 2  3 5 4  8 7 9
+8 9 7  6 1 2  3 4 5
+
+4 8 1  5 7 9  2 3 6
+2 7 6  4 8 3  5 9 1
+9 3 5  1 2 6  4 8 7
+
+6 5 4  2 3 7  9 1 8
+3 1 8  9 6 5  7 2 4
+7 2 9  8 4 1  6 5 3
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,3,null,null,null,null,0,null,null,null,1,null,7,null,4,3,null,null,null,null,2,null,null,1,5,null,null,null,2,5,null,null,7,null,null,4,null,null,null,0,null,null,1,null,null,1,null,6,null,8,null,null,null,0,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,8,null,7,0,null,null,null,null],"solution":[1,2,7,3,4,5,6,8,0,6,5,0,1,8,7,2,4,3,4,3,8,0,2,6,7,1,5,8,6,3,2,5,1,0,7,4,2,4,5,8,7,0,3,6,1,0,7,1,4,6,3,8,5,2,3,0,4,6,1,8,5,2,7,7,1,6,5,3,2,4,0,8,5,8,2,7,0,4,1,3,6]}
+PUZZLE:
+_ _ _  4 _ _  _ _ 1
+_ _ _  2 _ 8  _ 5 4
+_ _ _  _ 3 _  _ 2 6
+
+_ _ _  3 6 _  _ 8 _
+_ 5 _  _ _ 1  _ _ 2
+_ _ 2  _ 7 _  9 _ _
+
+_ 1 5  _ _ _  _ _ _
+_ _ _  _ _ _  _ _ _
+6 9 _  8 1 _  _ _ _
+
+SOLUTION:
+2 3 8  4 5 6  7 9 1
+7 6 1  2 9 8  3 5 4
+5 4 9  1 3 7  8 2 6
+
+9 7 4  3 6 2  1 8 5
+3 5 6  9 8 1  4 7 2
+1 8 2  5 7 4  9 6 3
+
+4 1 5  7 2 9  6 3 8
+8 2 7  6 4 3  5 1 9
+6 9 3  8 1 5  2 4 7
 
 RATING: 0
 DATA:
-{"puzzle":[6,1,null,null,null,null,null,null,null,null,null,8,null,null,7,5,null,null,null,null,4,null,6,3,0,8,null,null,null,null,1,null,null,4,null,2,null,null,null,4,0,8,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,5,null,6,8,null,null,null,null,null,1,null,3,null,null,2,null,null,null,null,null,5,null],"solution":[6,1,5,8,4,0,3,2,7,0,3,8,2,1,7,5,4,6,2,7,4,5,6,3,0,8,1,8,0,3,1,5,6,4,7,2,7,5,2,4,0,8,6,1,3,4,6,1,7,3,2,8,0,5,1,4,0,3,7,5,2,6,8,5,8,6,0,2,1,7,3,4,3,2,7,6,8,4,1,5,0]}
+{"puzzle":[4,2,null,null,null,1,null,null,6,null,null,0,null,null,null,3,null,null,6,null,null,null,null,null,null,7,8,null,null,null,null,1,7,null,5,null,0,null,5,null,null,3,null,null,7,null,3,null,null,null,null,1,null,null,null,null,null,null,null,2,8,null,1,null,null,null,5,8,null,null,null,null,null,null,null,null,null,null,4,null,null],"solution":[4,2,3,8,7,1,5,0,6,8,7,0,2,6,5,3,1,4,6,5,1,3,4,0,2,7,8,2,4,8,6,1,7,0,5,3,0,1,5,4,2,3,6,8,7,7,3,6,0,5,8,1,4,2,5,0,4,7,3,2,8,6,1,1,6,2,5,8,4,7,3,0,3,8,7,1,0,6,4,2,5]}
 PUZZLE:
-7 2 _  _ _ _  _ _ _
-_ _ 9  _ _ 8  6 _ _
-_ _ 5  _ 7 4  1 9 _
+5 3 _  _ _ 2  _ _ 7
+_ _ 1  _ _ _  4 _ _
+7 _ _  _ _ _  _ 8 9
 
-_ _ _  2 _ _  5 _ 3
-_ _ _  5 1 9  _ 2 _
+_ _ _  _ 2 8  _ 6 _
+1 _ 6  _ _ 4  _ _ 8
+_ 4 _  _ _ _  2 _ _
+
+_ _ _  _ _ 3  9 _ 2
+_ _ _  6 9 _  _ _ _
+_ _ _  _ _ _  5 _ _
+
+SOLUTION:
+5 3 4  9 8 2  6 1 7
+9 8 1  3 7 6  4 2 5
+7 6 2  4 5 1  3 8 9
+
+3 5 9  7 2 8  1 6 4
+1 2 6  5 3 4  7 9 8
+8 4 7  1 6 9  2 5 3
+
+6 1 5  8 4 3  9 7 2
+2 7 3  6 9 5  8 4 1
+4 9 8  2 1 7  5 3 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,7,6,null,null,8,null,null,4,null,null,null,null,null,3,null,null,null,null,null,4,8,null,null,2,null,null,null,3,null,null,null,null,null,null,null,5,null,null,null,null,0,null,3,null,8,null,2,null,null,6,null,null,null,null,1,null,7,0,null,null,1,null,7,null,8,null,5,null,null,null,0,null,null,null,null,null,null,null],"solution":[2,5,1,7,6,3,4,8,0,8,4,6,2,0,1,7,3,5,7,3,0,5,4,8,6,1,2,0,1,4,3,7,6,2,5,8,6,2,5,8,1,4,3,0,7,3,7,8,0,2,5,1,6,4,5,8,2,1,3,7,0,4,6,1,6,7,4,8,0,5,2,3,4,0,3,6,5,2,8,7,1]}
+PUZZLE:
+_ _ _  8 7 _  _ 9 _
+_ 5 _  _ _ _  _ 4 _
+_ _ _  _ 5 9  _ _ 3
+
+_ _ _  4 _ _  _ _ _
+_ _ 6  _ _ _  _ 1 _
+4 _ 9  _ 3 _  _ 7 _
+
+_ _ _  2 _ 8  1 _ _
+2 _ 8  _ 9 _  6 _ _
+_ 1 _  _ _ _  _ _ _
+
+SOLUTION:
+3 6 2  8 7 4  5 9 1
+9 5 7  3 1 2  8 4 6
+8 4 1  6 5 9  7 2 3
+
+1 2 5  4 8 7  3 6 9
+7 3 6  9 2 5  4 1 8
+4 8 9  1 3 6  2 7 5
+
+6 9 3  2 4 8  1 5 7
+2 7 8  5 9 1  6 3 4
+5 1 4  7 6 3  9 8 2
+
+RATING: 4.75
+DATA:
+{"puzzle":[null,null,null,1,null,null,null,null,null,null,null,7,null,null,null,null,4,5,null,1,2,null,null,5,null,null,6,null,null,5,3,null,null,null,null,null,null,6,1,null,null,null,null,null,2,null,null,4,6,null,0,null,3,null,null,0,null,null,null,null,null,null,null,null,null,null,null,8,4,null,null,null,5,null,null,null,null,null,null,7,1],"solution":[4,5,0,1,7,6,8,2,3,6,3,7,8,0,2,1,4,5,8,1,2,4,3,5,7,0,6,0,7,5,3,2,8,6,1,4,3,6,1,5,4,7,0,8,2,2,8,4,6,1,0,5,3,7,7,0,3,2,5,1,4,6,8,1,2,6,7,8,4,3,5,0,5,4,8,0,6,3,2,7,1]}
+PUZZLE:
+_ _ _  2 _ _  _ _ _
+_ _ 8  _ _ _  _ 5 6
+_ 2 3  _ _ 6  _ _ 7
+
+_ _ 6  4 _ _  _ _ _
+_ 7 2  _ _ _  _ _ 3
+_ _ 5  7 _ 1  _ 4 _
+
+_ 1 _  _ _ _  _ _ _
+_ _ _  _ 9 5  _ _ _
+6 _ _  _ _ _  _ 8 2
+
+SOLUTION:
+5 6 1  2 8 7  9 3 4
+7 4 8  9 1 3  2 5 6
+9 2 3  5 4 6  8 1 7
+
+1 8 6  4 3 9  7 2 5
+4 7 2  6 5 8  1 9 3
+3 9 5  7 2 1  6 4 8
+
+8 1 4  3 6 2  5 7 9
+2 3 7  8 9 5  4 6 1
+6 5 9  1 7 4  3 8 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,2,null,null,8,null,null,2,null,null,null,3,null,6,0,null,6,null,null,null,0,null,null,null,null,null,null,null,null,null,null,4,null,null,null,5,3,null,null,null,null,null,4,null,7,null,8,null,1,0,null,2,8,3,null,null,null,null,null,null,5,null,null,null,3,6,null,null,4,null,null,null,null,null,null,null,null,null],"solution":[0,5,4,6,2,7,3,8,1,7,2,1,8,5,3,4,6,0,3,6,8,4,1,0,7,5,2,8,0,2,7,6,1,5,4,3,6,1,5,3,0,4,2,7,8,4,3,7,5,8,2,1,0,6,2,8,3,0,4,5,6,1,7,5,7,0,1,3,6,8,2,4,1,4,6,2,7,8,0,3,5]}
+PUZZLE:
+_ _ _  _ 3 _  _ 9 _
+_ 3 _  _ _ 4  _ 7 1
+_ 7 _  _ _ 1  _ _ _
+
+_ _ _  _ _ _  _ 5 _
+_ _ 6  4 _ _  _ _ _
+5 _ 8  _ 9 _  2 1 _
+
+3 9 4  _ _ _  _ _ _
+6 _ _  _ 4 7  _ _ 5
 _ _ _  _ _ _  _ _ _
 
-_ _ _  _ 8 6  _ 7 9
-_ _ _  _ _ 2  _ 4 _
+SOLUTION:
+1 6 5  7 3 8  4 9 2
+8 3 2  9 6 4  5 7 1
+4 7 9  5 2 1  8 6 3
+
+9 1 3  8 7 2  6 5 4
+7 2 6  4 1 5  3 8 9
+5 4 8  6 9 3  2 1 7
+
+3 9 4  1 5 6  7 2 8
+6 8 1  2 4 7  9 3 5
+2 5 7  3 8 9  1 4 6
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,null,null,4,1,2,0,null,null,null,8,null,null,5,null,null,4,0,null,7,null,2,null,null,null,null,null,6,null,null,7,8,5,null,5,8,null,6,null,null,null,null,null,3,null,null,4,null,null,2,null,null,0,2,null,null,null,null,null,3,null,null,6,null,null,null,null,null,null,null,8,null,null,2,null,null,null,0,null],"solution":[7,5,8,3,6,4,1,2,0,6,3,2,8,0,1,5,4,7,4,0,1,7,5,2,3,6,8,2,4,6,0,1,7,8,5,3,5,8,7,6,2,3,0,1,4,3,1,0,4,8,5,2,7,6,0,2,4,1,7,8,6,3,5,1,6,3,5,4,0,7,8,2,8,7,5,2,3,6,4,0,1]}
+PUZZLE:
+_ _ _  _ _ 5  2 3 1
+_ _ _  9 _ _  6 _ _
+5 1 _  8 _ 3  _ _ _
+
+_ _ 7  _ _ 8  9 6 _
+6 9 _  7 _ _  _ _ _
+4 _ _  5 _ _  3 _ _
+
+1 3 _  _ _ _  _ 4 _
+_ 7 _  _ _ _  _ _ _
+9 _ _  3 _ _  _ 1 _
+
+SOLUTION:
+8 6 9  4 7 5  2 3 1
+7 4 3  9 1 2  6 5 8
+5 1 2  8 6 3  4 7 9
+
+3 5 7  1 2 8  9 6 4
+6 9 8  7 3 4  1 2 5
+4 2 1  5 9 6  3 8 7
+
+1 3 5  2 8 9  7 4 6
+2 7 4  6 5 1  8 9 3
+9 8 6  3 4 7  5 1 2
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,1,null,0,null,null,4,null,null,5,7,null,null,1,null,null,null,null,null,null,null,null,5,null,8,6,null,2,0,null,null,null,3,null,null,null,null,null,2,null,null,8,6,null,6,null,null,1,null,null,null,2,5,7,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,1,null,null,null,null,8,null,null,0],"solution":[3,6,1,8,0,2,5,4,7,8,5,7,4,6,1,2,0,3,2,0,4,7,3,5,1,8,6,4,2,0,5,8,6,3,7,1,5,1,3,2,7,0,8,6,4,6,7,8,1,4,3,0,2,5,7,8,5,0,1,4,6,3,2,0,3,2,6,5,7,4,1,8,1,4,6,3,2,8,7,5,0]}
+PUZZLE:
+_ _ 2  _ 1 _  _ 5 _
+_ 6 8  _ _ 2  _ _ _
+_ _ _  _ _ 6  _ 9 7
+
+_ 3 1  _ _ _  4 _ _
+_ _ _  3 _ _  9 7 _
+7 _ _  2 _ _  _ 3 6
+
+8 _ _  _ _ _  _ _ _
+_ 4 _  _ _ _  _ _ _
+2 _ _  _ _ 9  _ _ 1
+
+SOLUTION:
+4 7 2  9 1 3  6 5 8
+9 6 8  5 7 2  3 1 4
+3 1 5  8 4 6  2 9 7
+
+5 3 1  6 9 7  4 8 2
+6 2 4  3 8 1  9 7 5
+7 8 9  2 5 4  1 3 6
+
+8 9 6  1 2 5  7 4 3
+1 4 3  7 6 8  5 2 9
+2 5 7  4 3 9  8 6 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,0,7,1,null,5,null,null,null,null,null,null,null,null,0,7,null,null,6,null,null,2,3,1,null,null,null,null,5,null,0,null,4,null,null,1,8,null,null,null,null,null,null,null,null,null,6,null,7,null,null,null,null,null,null,8,4,3,null,null,null,null,null,5,null,null,null,1,6,5,null,null,null,null,null],"solution":[6,2,3,4,8,5,1,0,7,1,7,5,6,3,0,2,4,8,8,4,0,7,1,2,6,3,5,2,3,1,8,7,6,4,5,0,0,6,4,3,5,1,8,7,2,5,8,7,0,2,4,3,6,1,7,5,2,1,6,3,0,8,4,3,0,8,2,4,7,5,1,6,4,1,6,5,0,8,7,2,3]}
+PUZZLE:
+_ _ _  5 _ _  _ 1 8
+2 _ 6  _ _ _  _ _ _
+_ _ 1  8 _ _  7 _ _
+
+3 4 2  _ _ _  _ 6 _
+1 _ 5  _ _ 2  9 _ _
+_ _ _  _ _ _  _ 7 _
+
+8 _ _  _ _ _  _ 9 5
+4 _ _  _ _ _  6 _ _
+_ 2 7  6 _ _  _ _ _
+
+SOLUTION:
+7 3 4  5 9 6  2 1 8
+2 8 6  7 4 1  3 5 9
+9 5 1  8 2 3  7 4 6
+
+3 4 2  9 8 7  5 6 1
+1 7 5  4 6 2  9 8 3
+6 9 8  1 3 5  4 7 2
+
+8 6 3  2 7 4  1 9 5
+4 1 9  3 5 8  6 2 7
+5 2 7  6 1 9  8 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,1,null,null,null,6,null,1,null,null,null,null,null,null,null,null,null,null,8,null,7,2,null,null,null,2,null,null,6,null,1,null,null,7,null,6,null,null,null,null,2,0,1,null,null,null,null,null,null,null,null,null,null,5,null,null,2,null,null,4,null,null,null,null,3,null,null,0,null,null,null,0,null,8,null,null,6,7],"solution":[0,8,2,4,1,5,7,3,6,4,1,7,3,2,6,0,5,8,6,5,3,8,0,7,2,4,1,5,2,4,7,6,0,1,8,3,7,3,6,1,5,8,4,2,0,1,0,8,2,4,3,6,7,5,3,6,5,0,7,2,8,1,4,8,7,1,6,3,4,5,0,2,2,4,0,5,8,1,3,6,7]}
+PUZZLE:
+_ _ _  5 2 _  _ _ 7
+_ 2 _  _ _ _  _ _ _
+_ _ _  9 _ 8  3 _ _
+
+_ 3 _  _ 7 _  2 _ _
+8 _ 7  _ _ _  _ 3 1
+2 _ _  _ _ _  _ _ _
+
+_ _ 6  _ _ 3  _ _ 5
+_ _ _  _ 4 _  _ 1 _
+_ _ 1  _ 9 _  _ 7 8
+
+SOLUTION:
+1 9 3  5 2 6  8 4 7
+5 2 8  4 3 7  1 6 9
+7 6 4  9 1 8  3 5 2
+
+6 3 5  8 7 1  2 9 4
+8 4 7  2 6 9  5 3 1
+2 1 9  3 5 4  7 8 6
+
+4 7 6  1 8 3  9 2 5
+9 8 2  7 4 5  6 1 3
+3 5 1  6 9 2  4 7 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,2,null,3,null,7,1,null,null,null,null,null,null,null,5,null,null,null,7,8,null,null,null,null,null,null,6,null,0,null,null,null,null,null,8,4,null,null,6,null,null,1,3,null,7,null,null,null,null,null,null,null,4,null,null,6,null,8,4,null,null,null,null,null,3,null,null,1,null,4,null,1,null,null,null,2,null,null,null,null],"solution":[5,6,2,4,3,8,7,1,0,0,1,4,2,7,6,5,8,3,3,7,8,0,1,5,4,2,6,6,3,0,1,4,7,2,5,8,4,8,5,6,0,2,1,3,7,7,2,1,8,5,3,6,0,4,2,0,6,5,8,4,3,7,1,8,5,3,7,6,1,0,4,2,1,4,7,3,2,0,8,6,5]}
+PUZZLE:
+_ _ 3  _ 4 _  8 2 _
+_ _ _  _ _ _  6 _ _
+_ 8 9  _ _ _  _ _ _
+
+7 _ 1  _ _ _  _ _ 9
+5 _ _  7 _ _  2 4 _
+8 _ _  _ _ _  _ _ 5
+
+_ _ 7  _ 9 5  _ _ _
+_ _ 4  _ _ 2  _ 5 _
+2 _ _  _ 3 _  _ _ _
+
+SOLUTION:
+6 7 3  5 4 9  8 2 1
+1 2 5  3 8 7  6 9 4
+4 8 9  1 2 6  5 3 7
+
+7 4 1  2 5 8  3 6 9
+5 9 6  7 1 3  2 4 8
+8 3 2  9 6 4  7 1 5
+
+3 1 7  6 9 5  4 8 2
+9 6 4  8 7 2  1 5 3
+2 5 8  4 3 1  9 7 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,5,8,null,null,6,7,null,4,null,null,null,null,null,null,null,null,6,5,null,null,null,1,null,null,null,null,null,null,null,null,4,null,2,8,1,null,null,2,null,3,null,null,null,3,null,null,null,0,null,null,6,null,0,null,null,null,1,null,null,8,null,null,6,8,null,null,null,null,null,1,null,4,7,null,null,null,null,null],"solution":[3,2,1,5,8,4,0,6,7,0,4,8,6,1,7,2,3,5,7,6,5,0,3,2,1,8,4,6,5,0,3,7,8,4,1,2,8,1,7,4,2,6,3,5,0,4,3,2,1,5,0,8,7,6,5,0,3,2,6,1,7,4,8,2,7,6,8,4,3,5,0,1,1,8,4,7,0,5,6,2,3]}
+PUZZLE:
+_ _ _  6 9 _  _ 7 8
+_ 5 _  _ _ _  _ _ _
+_ 7 6  _ _ _  2 _ _
+
+_ _ _  _ _ _  5 _ 3
+9 2 _  _ 3 _  4 _ _
+_ 4 _  _ _ 1  _ _ 7
+
+_ 1 _  _ _ 2  _ _ 9
+_ _ 7  9 _ _  _ _ _
+2 _ 5  8 _ _  _ _ _
+
+SOLUTION:
+4 3 2  6 9 5  1 7 8
+1 5 9  7 2 8  3 4 6
+8 7 6  1 4 3  2 9 5
+
+7 6 1  4 8 9  5 2 3
+9 2 8  5 3 7  4 6 1
+5 4 3  2 6 1  9 8 7
+
+6 1 4  3 7 2  8 5 9
+3 8 7  9 5 4  6 1 2
+2 9 5  8 1 6  7 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,2,null,7,null,1,null,7,null,0,null,null,null,null,null,null,4,null,5,3,null,null,null,0,null,1,null,4,null,null,null,2,null,8,null,6,null,null,null,null,null,null,7,null,null,null,null,null,null,5,null,null,null,null,2,null,null,1,null,null,null,null,null,null,null,null,null,null,6,2,3,null,null,4,8,null,null],"solution":[3,5,8,1,6,2,4,7,0,1,6,7,4,0,8,5,2,3,2,0,4,7,5,3,1,6,8,0,3,1,5,4,7,6,8,2,5,8,2,6,3,0,7,4,1,4,7,6,2,8,1,0,3,5,7,4,0,8,2,5,3,1,6,8,1,5,3,7,6,2,0,4,6,2,3,0,1,4,8,5,7]}
+PUZZLE:
+_ 6 _  _ _ 3  _ 8 _
+2 _ 8  _ 1 _  _ _ _
+_ _ 5  _ 6 4  _ _ _
+
+1 _ 2  _ 5 _  _ _ 3
+_ 9 _  7 _ _  _ _ _
+_ 8 _  _ _ _  _ _ 6
+
+_ _ _  _ 3 _  _ 2 _
+_ _ _  _ _ _  _ _ _
+7 3 4  _ _ 5  9 _ _
+
+SOLUTION:
+4 6 9  2 7 3  5 8 1
+2 7 8  5 1 9  6 3 4
+3 1 5  8 6 4  2 7 9
+
+1 4 2  6 5 8  7 9 3
+6 9 3  7 4 1  8 5 2
+5 8 7  3 9 2  1 4 6
+
+8 5 1  9 3 6  4 2 7
+9 2 6  4 8 7  3 1 5
+7 3 4  1 2 5  9 6 8
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,8,null,1,null,null,null,6,null,null,null,5,4,null,null,7,null,null,5,7,null,null,null,null,null,null,null,null,null,null,null,4,1,6,null,null,null,null,1,null,null,null,8,null,7,null,4,null,3,null,null,null,null,1,null,null,null,null,6,3,2,null,null,null,5,7,null,0,null,null,8,null,null,null,null,null,null,null,null,null],"solution":[4,2,8,0,1,7,5,3,6,6,3,1,5,4,2,8,7,0,0,5,7,8,6,3,2,4,1,5,8,3,2,0,4,1,6,7,2,0,6,1,7,5,4,8,3,7,1,4,6,3,8,0,5,2,1,7,0,4,8,6,3,2,5,3,4,5,7,2,0,6,1,8,8,6,2,3,5,1,7,0,4]}
+PUZZLE:
+5 _ 9  _ 2 _  _ _ 7
+_ _ _  6 5 _  _ 8 _
+_ 6 8  _ _ _  _ _ _
+
+_ _ _  _ _ 5  2 7 _
+_ _ _  2 _ _  _ 9 _
+8 _ 5  _ 4 _  _ _ _
+
+2 _ _  _ _ 7  4 3 _
+_ _ 6  8 _ 1  _ _ 9
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+5 3 9  1 2 8  6 4 7
+7 4 2  6 5 3  9 8 1
+1 6 8  9 7 4  3 5 2
+
+6 9 4  3 1 5  2 7 8
+3 1 7  2 8 6  5 9 4
+8 2 5  7 4 9  1 6 3
+
+2 8 1  5 9 7  4 3 6
+4 5 6  8 3 1  7 2 9
+9 7 3  4 6 2  8 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,null,null,null,null,null,8,null,null,null,null,6,0,null,null,3,null,5,null,null,null,null,6,null,null,null,null,null,6,7,null,null,null,2,null,2,null,null,8,1,3,null,null,3,null,8,null,null,null,null,7,null,null,null,null,null,1,null,null,4,null,7,null,null,null,null,8,null,null,null,null,null,1,null,null,4,5,null,null],"solution":[0,4,6,1,3,5,7,2,8,8,7,2,4,6,0,1,5,3,1,5,3,8,2,7,6,0,4,5,1,0,6,7,3,4,8,2,4,2,7,0,8,1,3,6,5,3,6,8,5,4,2,0,7,1,2,3,5,7,1,6,8,4,0,7,0,4,3,5,8,2,1,6,6,8,1,2,0,4,5,3,7]}
+PUZZLE:
+_ 5 _  _ _ _  _ _ 9
+_ _ _  _ 7 1  _ _ 4
+_ 6 _  _ _ _  7 _ _
+
+_ _ _  7 8 _  _ _ 3
+_ 3 _  _ 9 2  4 _ _
+4 _ 9  _ _ _  _ 8 _
+
+_ _ _  _ 2 _  _ 5 _
+8 _ _  _ _ 9  _ _ _
+_ _ 2  _ _ 5  6 _ _
+
+SOLUTION:
+1 5 7  2 4 6  8 3 9
+9 8 3  5 7 1  2 6 4
+2 6 4  9 3 8  7 1 5
+
+6 2 1  7 8 4  5 9 3
+5 3 8  1 9 2  4 7 6
+4 7 9  6 5 3  1 8 2
+
+3 4 6  8 2 7  9 5 1
+8 1 5  4 6 9  3 2 7
+7 9 2  3 1 5  6 4 8
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,null,1,null,null,null,0,null,4,null,null,null,null,null,3,8,null,null,1,8,null,null,2,null,null,null,8,null,4,5,null,null,null,1,null,null,null,null,null,null,6,null,null,0,null,3,6,null,7,null,null,null,null,null,7,0,null,3,null,null,null,null,null,8,1,null,null,0,null,null,null,null,null,null,null,null,null,null,5],"solution":[8,3,5,2,1,4,7,6,0,2,4,0,5,7,6,1,3,8,6,7,1,8,3,0,2,5,4,7,8,6,4,5,2,3,0,1,5,2,4,3,0,1,6,8,7,0,1,3,6,8,7,5,4,2,1,5,7,0,4,3,8,2,6,4,6,8,1,2,5,0,7,3,3,0,2,7,6,8,4,1,5]}
+PUZZLE:
+_ _ _  _ 2 _  _ _ 1
+_ 5 _  _ _ _  _ 4 9
+_ _ 2  9 _ _  3 _ _
+
+_ 9 _  5 6 _  _ _ 2
+_ _ _  _ _ _  7 _ _
+1 _ 4  7 _ 8  _ _ _
+
+_ _ 8  1 _ 4  _ _ _
+_ _ 9  2 _ _  1 _ _
+_ _ _  _ _ _  _ _ 6
+
+SOLUTION:
+9 4 6  3 2 5  8 7 1
+3 5 1  6 8 7  2 4 9
+7 8 2  9 4 1  3 6 5
+
+8 9 7  5 6 3  4 1 2
+6 3 5  4 1 2  7 9 8
+1 2 4  7 9 8  6 5 3
+
+2 6 8  1 5 4  9 3 7
+5 7 9  2 3 6  1 8 4
+4 1 3  8 7 9  5 2 6
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,2,null,null,null,null,0,null,null,null,7,null,1,4,8,null,null,null,null,0,null,null,6,null,null,1,null,null,null,null,4,7,null,null,null,null,3,null,null,null,2,null,6,null,0,null,null,3,null,null,5,null,null,4,null,null,7,null,null,null,null,null,8,null,null,null,null,null,null,null,null,1,null,null,null,6,8,null,3],"solution":[6,7,4,2,8,5,3,1,0,5,3,0,7,6,1,4,8,2,8,2,1,0,4,3,6,7,5,1,6,2,5,0,4,7,3,8,4,5,3,8,1,7,2,0,6,7,0,8,6,3,2,1,5,4,2,4,5,3,7,8,0,6,1,3,8,6,1,2,0,5,4,7,0,1,7,4,5,6,8,2,3]}
+PUZZLE:
+_ _ _  3 _ _  _ _ 1
+_ _ _  8 _ 2  5 9 _
+_ _ _  1 _ _  7 _ _
+
+2 _ _  _ _ 5  8 _ _
+_ _ 4  _ _ _  3 _ 7
+_ 1 _  _ 4 _  _ 6 _
+
+_ 5 _  _ 8 _  _ _ _
+_ 9 _  _ _ _  _ _ _
+_ 2 _  _ _ 7  9 _ 4
+
+SOLUTION:
+7 8 5  3 9 6  4 2 1
+6 4 1  8 7 2  5 9 3
+9 3 2  1 5 4  7 8 6
+
+2 7 3  6 1 5  8 4 9
+5 6 4  9 2 8  3 1 7
+8 1 9  7 4 3  2 6 5
+
+3 5 6  4 8 9  1 7 2
+4 9 7  2 3 1  6 5 8
+1 2 8  5 6 7  9 3 4
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,3,null,null,null,7,null,null,5,6,8,null,null,4,null,null,null,8,null,null,null,5,null,null,null,null,null,null,0,7,8,3,null,null,null,null,5,6,null,null,2,6,null,null,null,1,null,null,null,null,null,6,null,1,0,null,null,null,null,null,null,3,null,null,null,null,null,null,null,4,null,null,null,null,8],"solution":[2,5,8,0,4,6,7,3,1,3,0,7,1,2,5,6,8,4,6,4,1,3,7,8,2,5,0,5,1,4,2,6,3,8,0,7,8,3,0,7,1,4,5,6,2,7,2,6,8,5,0,1,4,3,4,7,3,6,8,1,0,2,5,0,8,2,5,3,7,4,1,6,1,6,5,4,0,2,3,7,8]}
+PUZZLE:
+_ _ _  _ _ _  _ 4 _
+_ _ 8  _ _ 6  7 9 _
+_ 5 _  _ _ 9  _ _ _
+
+6 _ _  _ _ _  _ 1 8
+9 4 _  _ _ _  6 7 _
+_ 3 7  _ _ _  2 _ _
+
+_ _ _  7 _ 2  1 _ _
+_ _ _  _ 4 _  _ _ _
+_ _ _  5 _ _  _ _ 9
+
+SOLUTION:
+3 6 9  1 5 7  8 4 2
+4 1 8  2 3 6  7 9 5
+7 5 2  4 8 9  3 6 1
+
+6 2 5  3 7 4  9 1 8
+9 4 1  8 2 5  6 7 3
+8 3 7  9 6 1  2 5 4
+
+5 8 4  7 9 2  1 3 6
+1 9 3  6 4 8  5 2 7
+2 7 6  5 1 3  4 8 9
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,1,null,null,null,2,0,null,6,null,null,null,null,7,null,3,null,null,null,null,null,1,null,null,null,null,null,null,2,8,null,null,null,5,null,null,null,null,7,4,null,null,null,6,0,4,5,null,null,null,null,4,null,null,null,null,3,null,null,8,null,7,null,null,null,null,5,null,null,null,null,null,null,null,null,7,2,3],"solution":[7,5,4,8,1,0,3,6,2,0,1,6,5,3,2,8,7,4,3,2,8,7,6,4,1,0,5,1,4,7,3,2,8,0,5,6,5,3,2,6,0,7,4,8,1,8,6,0,4,5,1,2,3,7,4,0,5,2,7,3,6,1,8,2,7,3,1,8,6,5,4,0,6,8,1,0,4,5,7,2,3]}
+PUZZLE:
+_ _ _  _ 2 _  _ _ 3
+1 _ 7  _ _ _  _ 8 _
+4 _ _  _ _ _  2 _ _
+
+_ _ _  _ 3 9  _ _ _
+6 _ _  _ _ 8  5 _ _
+_ 7 1  5 6 _  _ _ _
+
+5 _ _  _ _ 4  _ _ 9
+_ 8 _  _ _ _  6 _ _
+_ _ _  _ _ _  8 3 4
+
+SOLUTION:
+8 6 5  9 2 1  4 7 3
+1 2 7  6 4 3  9 8 5
+4 3 9  8 7 5  2 1 6
+
+2 5 8  4 3 9  1 6 7
+6 4 3  7 1 8  5 9 2
+9 7 1  5 6 2  3 4 8
+
+5 1 6  3 8 4  7 2 9
+3 8 4  2 9 7  6 5 1
+7 9 2  1 5 6  8 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,2,null,7,4,null,1,8,null,0,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,0,null,null,null,null,null,5,null,null,null,null,1,null,null,null,6,4,5,null,null,null,7,null,2,1,null,null,6,null,4,null,2,null,null,null,null,4,null,8,1,0,null,7,null,null,null,null,null,null,null,null,null],"solution":[6,0,5,8,3,2,1,7,4,7,1,8,4,0,6,5,3,2,3,4,2,1,7,5,6,8,0,1,6,0,3,2,8,7,4,5,8,2,7,5,1,4,3,0,6,4,5,3,0,6,7,8,2,1,5,8,6,7,4,0,2,1,3,2,3,4,6,8,1,0,5,7,0,7,1,2,5,3,4,6,8]}
+PUZZLE:
+_ _ _  _ _ 3  _ 8 5
+_ 2 9  _ 1 _  _ _ _
+_ _ _  _ _ _  7 _ _
+
+_ _ 1  _ _ _  _ _ 6
+_ _ _  _ 2 _  _ _ 7
+5 6 _  _ _ 8  _ 3 2
+
+_ _ 7  _ 5 _  3 _ _
+_ _ 5  _ 9 2  1 _ 8
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+7 1 6  9 4 3  2 8 5
+8 2 9  5 1 7  6 4 3
+4 5 3  2 8 6  7 9 1
+
+2 7 1  4 3 9  8 5 6
+9 3 8  6 2 5  4 1 7
+5 6 4  1 7 8  9 3 2
+
+6 9 7  8 5 1  3 2 4
+3 4 5  7 9 2  1 6 8
+1 8 2  3 6 4  5 7 9
+
+RATING: 0
+DATA:
+{"puzzle":[3,6,null,null,null,8,2,null,null,null,null,4,null,0,null,7,1,null,null,null,null,5,null,null,null,null,6,null,null,null,6,null,null,null,null,null,null,null,7,1,null,4,null,null,null,null,null,null,null,null,null,null,2,4,7,0,null,null,null,5,null,3,null,8,null,null,null,2,0,null,6,null,null,3,null,4,null,null,null,null,null],"solution":[3,6,0,7,1,8,2,4,5,5,8,4,2,0,6,7,1,3,1,7,2,5,4,3,8,0,6,4,5,3,6,8,2,0,7,1,0,2,7,1,3,4,6,5,8,6,1,8,0,5,7,3,2,4,7,0,1,8,6,5,4,3,2,8,4,5,3,2,0,1,6,7,2,3,6,4,7,1,5,8,0]}
+PUZZLE:
+4 7 _  _ _ 9  3 _ _
+_ _ 5  _ 1 _  8 2 _
+_ _ _  6 _ _  _ _ 7
+
+_ _ _  7 _ _  _ _ _
+_ _ 8  2 _ 5  _ _ _
+_ _ _  _ _ _  _ 3 5
+
+8 1 _  _ _ 6  _ 4 _
+9 _ _  _ 3 1  _ 7 _
+_ 4 _  5 _ _  _ _ _
+
+SOLUTION:
+4 7 1  8 2 9  3 5 6
+6 9 5  3 1 7  8 2 4
+2 8 3  6 5 4  9 1 7
+
+5 6 4  7 9 3  1 8 2
+1 3 8  2 4 5  7 6 9
+7 2 9  1 6 8  4 3 5
+
+8 1 2  9 7 6  5 4 3
+9 5 6  4 3 1  2 7 8
+3 4 7  5 8 2  6 9 1
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,5,null,7,null,null,3,null,null,2,6,4,null,null,7,null,null,null,null,7,null,null,1,6,null,null,null,5,null,3,null,null,null,6,4,null,null,null,2,null,8,null,null,null,null,null,1,null,null,0,null,null,null,null,null,8,null,null,null,null,null,0,2,null,null,null,null,null,3,1,null,null,null,null,null,null,5,null,null,null],"solution":[4,1,5,8,7,6,0,3,2,8,2,6,4,0,3,7,5,1,3,0,7,5,2,1,6,4,8,0,5,2,3,1,7,8,6,4,6,4,3,2,5,8,1,0,7,7,8,1,6,4,0,5,2,3,5,3,8,1,6,2,4,7,0,2,6,0,7,8,4,3,1,5,1,7,4,0,3,5,2,8,6]}
+PUZZLE:
+_ _ 6  _ 8 _  _ 4 _
+_ 3 7  5 _ _  8 _ _
+_ _ 8  _ _ 2  7 _ _
+
+_ 6 _  4 _ _  _ 7 5
+_ _ _  3 _ 9  _ _ _
+_ _ 2  _ _ 1  _ _ _
+
+_ _ 9  _ _ _  _ _ 1
+3 _ _  _ _ _  4 2 _
+_ _ _  _ _ 6  _ _ _
+
+SOLUTION:
+5 2 6  9 8 7  1 4 3
+9 3 7  5 1 4  8 6 2
+4 1 8  6 3 2  7 5 9
+
+1 6 3  4 2 8  9 7 5
+7 5 4  3 6 9  2 1 8
+8 9 2  7 5 1  6 3 4
+
+6 4 9  2 7 3  5 8 1
+3 7 1  8 9 5  4 2 6
+2 8 5  1 4 6  3 9 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,1,null,null,null,0,null,null,7,5,null,null,null,null,null,null,null,null,8,null,2,1,null,null,null,null,5,null,null,5,null,null,3,8,null,1,null,null,6,0,null,null,null,null,null,2,null,null,5,null,7,null,null,null,null,2,null,null,3,null,null,null,null,null,null,null,null,null,null,3,7,null,1,3,null,null,null,2,null,null,null],"solution":[4,1,3,2,5,0,6,8,7,5,6,7,3,4,8,2,1,0,8,0,2,1,7,6,4,3,5,0,7,5,4,6,3,8,2,1,3,8,6,0,2,1,7,5,4,2,4,1,5,8,7,0,6,3,7,2,4,6,3,5,1,0,8,6,5,0,8,1,4,3,7,2,1,3,8,7,0,2,5,4,6]}
+PUZZLE:
+_ 2 _  _ _ 1  _ _ 8
+6 _ _  _ _ _  _ _ _
+9 _ 3  2 _ _  _ _ 6
+
+_ _ 6  _ _ 4  9 _ 2
+_ _ 7  1 _ _  _ _ _
+3 _ _  6 _ 8  _ _ _
+
+_ 3 _  _ 4 _  _ _ _
+_ _ _  _ _ _  4 8 _
+2 4 _  _ _ 3  _ _ _
+
+SOLUTION:
+5 2 4  3 6 1  7 9 8
+6 7 8  4 5 9  3 2 1
+9 1 3  2 8 7  5 4 6
+
+1 8 6  5 7 4  9 3 2
+4 9 7  1 3 2  8 6 5
+3 5 2  6 9 8  1 7 4
+
+8 3 5  7 4 6  2 1 9
+7 6 1  9 2 5  4 8 3
+2 4 9  8 1 3  6 5 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[1,null,8,null,5,null,null,null,null,null,null,null,null,null,0,null,null,null,null,3,null,7,1,null,5,2,null,null,2,7,null,null,null,null,6,8,null,null,null,null,3,null,null,1,null,null,null,null,null,null,null,null,null,5,null,8,1,null,null,null,null,null,null,6,null,null,5,null,null,3,null,0,null,null,null,8,null,4,null,null,null],"solution":[1,7,8,4,5,2,6,0,3,2,5,4,3,6,0,8,7,1,0,3,6,7,1,8,5,2,4,3,2,7,1,4,5,0,6,8,8,6,5,0,3,7,4,1,2,4,1,0,2,8,6,7,3,5,5,8,1,6,0,3,2,4,7,6,4,2,5,7,1,3,8,0,7,0,3,8,2,4,1,5,6]}
+PUZZLE:
+2 _ 9  _ 6 _  _ _ _
+_ _ _  _ _ 1  _ _ _
+_ 4 _  8 2 _  6 3 _
+
+_ 3 8  _ _ _  _ 7 9
+_ _ _  _ 4 _  _ 2 _
+_ _ _  _ _ _  _ _ 6
+
+_ 9 2  _ _ _  _ _ _
+7 _ _  6 _ _  4 _ 1
+_ _ _  9 _ 5  _ _ _
+
+SOLUTION:
+2 8 9  5 6 3  7 1 4
+3 6 5  4 7 1  9 8 2
+1 4 7  8 2 9  6 3 5
+
+4 3 8  2 5 6  1 7 9
+9 7 6  1 4 8  5 2 3
+5 2 1  3 9 7  8 4 6
+
+6 9 2  7 1 4  3 5 8
+7 5 3  6 8 2  4 9 1
+8 1 4  9 3 5  2 6 7
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,6,2,null,null,4,0,2,null,null,null,3,null,null,8,null,null,0,null,null,4,7,null,null,null,null,null,null,null,6,null,3,null,null,null,4,0,null,null,null,null,null,6,5,7,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,3,2,5,null,1,null,null,null,null,2,8,null,null,null,null,null],"solution":[1,3,7,6,2,8,5,4,0,2,5,4,0,3,1,6,8,7,6,0,8,5,4,7,2,3,1,8,2,1,7,6,4,3,0,5,3,4,0,1,8,5,7,2,6,5,7,6,3,0,2,4,1,8,0,6,5,4,1,3,8,7,2,7,8,3,2,5,0,1,6,4,4,1,2,8,7,6,0,5,3]}
+PUZZLE:
+_ _ _  7 3 _  _ 5 1
+3 _ _  _ 4 _  _ 9 _
+_ 1 _  _ 5 8  _ _ _
+
+_ _ _  _ 7 _  4 _ _
+_ 5 1  _ _ _  _ _ 7
+6 8 _  _ _ _  _ _ _
+
+_ 7 _  _ _ _  _ _ _
+_ _ 4  3 6 _  2 _ _
+_ _ 3  9 _ _  _ _ _
+
+SOLUTION:
+2 4 8  7 3 9  6 5 1
+3 6 5  1 4 2  7 9 8
+7 1 9  6 5 8  3 4 2
+
+9 3 2  8 7 5  4 1 6
+4 5 1  2 9 6  8 3 7
+6 8 7  4 1 3  5 2 9
+
+1 7 6  5 2 4  9 8 3
+8 9 4  3 6 1  2 7 5
+5 2 3  9 8 7  1 6 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,5,null,null,8,null,null,3,null,0,null,null,2,null,null,null,null,null,null,6,3,null,7,null,3,7,4,null,null,0,null,null,6,null,null,1,null,8,null,null,null,null,null,4,null,null,null,6,null,null,null,2,null,5,3,null,null,null,null,null,null,null,2,null,null,null,7,null,null,null,null,null,1,0,null,null,3],"solution":[0,7,6,3,2,5,4,1,8,8,4,3,7,0,1,5,2,6,2,1,5,8,4,6,3,0,7,5,3,7,4,6,2,0,8,1,6,0,2,1,5,8,7,3,4,1,8,4,0,7,3,6,5,2,4,2,1,5,3,7,8,6,0,3,6,0,2,8,4,1,7,5,7,5,8,6,1,0,2,4,3]}
+PUZZLE:
+_ _ _  _ _ 6  _ _ 9
+_ _ 4  _ 1 _  _ 3 _
+_ _ _  _ _ 7  4 _ 8
+
+_ 4 8  5 _ _  1 _ _
+7 _ _  2 _ 9  _ _ _
+_ _ 5  _ _ _  7 _ _
+
+_ 3 _  6 4 _  _ _ _
+_ _ _  3 _ _  _ 8 _
+_ _ _  _ 2 1  _ _ 4
+
+SOLUTION:
+1 8 7  4 3 6  5 2 9
+9 5 4  8 1 2  6 3 7
+3 2 6  9 5 7  4 1 8
+
+6 4 8  5 7 3  1 9 2
+7 1 3  2 6 9  8 4 5
+2 9 5  1 8 4  7 6 3
+
+5 3 2  6 4 8  9 7 1
+4 7 1  3 9 5  2 8 6
+8 6 9  7 2 1  3 5 4
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,7,null,null,null,null,null,null,0,1,null,null,null,null,null,null,6,null,null,null,null,2,null,null,null,null,null,null,null,8,null,5,3,null,0,null,null,null,null,null,null,null,null,8,1,8,null,null,0,null,null,7,null,2,null,null,6,7,3,null,null,5,null,null,null,null,null,null,4,null,7,null,5,null,4,null,null,null,8,null],"solution":[3,2,7,5,8,6,0,4,1,0,1,5,7,3,4,8,2,6,8,6,4,0,2,1,7,5,3,4,7,2,8,6,5,3,1,0,5,3,0,1,4,7,2,6,8,1,8,6,3,0,2,5,7,4,2,4,8,6,7,3,1,0,5,6,0,1,2,5,8,4,3,7,7,5,3,4,1,0,6,8,2]}
+PUZZLE:
+_ _ 8  _ _ _  _ _ _
+1 2 _  _ _ _  _ _ 7
+_ _ _  _ 3 _  _ _ _
+
+_ _ _  9 _ 6  4 _ 1
+_ _ _  _ _ _  _ _ 9
+2 9 _  _ 1 _  _ 8 _
+
+3 _ _  7 8 4  _ _ 6
+_ _ _  _ _ _  5 _ 8
+_ 6 _  5 _ _  _ 9 _
+
+SOLUTION:
+4 3 8  6 9 7  1 5 2
+1 2 6  8 4 5  9 3 7
+9 7 5  1 3 2  8 6 4
+
+5 8 3  9 7 6  4 2 1
+6 4 1  2 5 8  3 7 9
+2 9 7  4 1 3  6 8 5
+
+3 5 9  7 8 4  2 1 6
+7 1 2  3 6 9  5 4 8
+8 6 4  5 2 1  7 9 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,3,6,null,null,null,null,null,null,0,null,null,null,null,6,5,null,null,null,null,null,null,0,null,4,1,3,null,8,5,2,null,null,null,6,2,null,4,null,null,null,null,null,null,null,null,6,null,8,null,5,null,null,null,null,null,0,1,null,2,8,null,null,null,null,7,null,null,null,null,null,null,null,null,8,4,null,3,null,null],"solution":[4,8,3,6,5,1,0,7,2,1,0,2,4,7,8,6,5,3,5,6,7,2,3,0,8,4,1,3,7,8,5,2,4,1,0,6,2,5,4,1,0,6,7,3,8,0,1,6,3,8,7,5,2,4,6,4,5,0,1,3,2,8,7,8,3,0,7,6,2,4,1,5,7,2,1,8,4,5,3,6,0]}
+PUZZLE:
+_ _ 4  7 _ _  _ _ _
+_ 1 _  _ _ _  7 6 _
+_ _ _  _ _ 1  _ 5 2
+
+4 _ 9  6 3 _  _ _ 7
+3 _ 5  _ _ _  _ _ _
+_ _ 7  _ 9 _  6 _ _
+
+_ _ _  1 2 _  3 9 _
+_ _ _  8 _ _  _ _ _
+_ _ _  9 5 _  4 _ _
+
+SOLUTION:
+5 9 4  7 6 2  1 8 3
+2 1 3  5 8 9  7 6 4
+6 7 8  3 4 1  9 5 2
+
+4 8 9  6 3 5  2 1 7
+3 6 5  2 1 7  8 4 9
+1 2 7  4 9 8  6 3 5
+
+7 5 6  1 2 4  3 9 8
+9 4 1  8 7 3  5 2 6
+8 3 2  9 5 6  4 7 1
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,4,null,null,0,null,null,null,null,null,null,null,1,null,null,null,null,null,6,null,0,4,8,5,null,null,null,3,6,4,null,null,null,8,null,null,5,null,null,null,null,2,1,null,6,null,null,null,8,null,null,null,null,null,null,null,null,null,6,null,5,8,null,1,null,5,null,null,null,null,null,7,null,null,null,2,null,null,3,null,null],"solution":[7,4,1,6,0,3,2,5,8,8,5,3,1,2,7,4,6,0,6,2,0,4,8,5,7,1,3,3,6,4,5,1,0,8,7,2,5,0,8,3,7,2,1,4,6,2,1,7,8,4,6,0,3,5,0,3,2,7,6,1,5,8,4,1,8,5,0,3,4,6,2,7,4,7,6,2,5,8,3,0,1]}
+PUZZLE:
+_ 5 _  _ 1 _  _ _ _
+_ _ _  2 _ _  _ _ _
+7 _ 1  5 9 6  _ _ _
+
+4 7 5  _ _ _  9 _ _
+6 _ _  _ _ 3  2 _ 7
+_ _ _  9 _ _  _ _ _
+
+_ _ _  _ 7 _  6 9 _
+2 _ 6  _ _ _  _ _ 8
+_ _ _  3 _ _  4 _ _
+
+SOLUTION:
+8 5 2  7 1 4  3 6 9
+9 6 4  2 3 8  5 7 1
+7 3 1  5 9 6  8 2 4
+
+4 7 5  6 2 1  9 8 3
+6 1 9  4 8 3  2 5 7
+3 2 8  9 5 7  1 4 6
+
+1 4 3  8 7 2  6 9 5
+2 9 6  1 4 5  7 3 8
+5 8 7  3 6 9  4 1 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,8,null,null,6,1,5,null,null,null,null,null,null,1,null,null,null,5,null,2,null,3,null,null,8,null,null,null,null,2,null,null,0,null,null,2,7,null,null,null,null,5,null,1,4,null,null,1,null,null,null,6,null,0,8,null,null,null,3,null,7,null,null,null,null,null,null,null,6,null,null,null,5,null,7,4,null,null,null,null],"solution":[7,0,8,4,2,6,1,5,3,6,4,3,5,8,1,7,2,0,5,1,2,0,3,7,4,8,6,8,6,1,2,5,4,0,3,7,2,7,0,3,6,8,5,4,1,4,3,5,1,7,0,8,6,2,0,8,4,6,1,3,2,7,5,3,2,7,8,0,5,6,1,4,1,5,6,7,4,2,3,0,8]}
+PUZZLE:
+_ _ 9  _ _ 7  2 6 _
+_ _ _  _ _ 2  _ _ _
+6 _ 3  _ 4 _  _ 9 _
+
+_ _ _  3 _ _  1 _ _
+3 8 _  _ _ _  6 _ 2
+5 _ _  2 _ _  _ 7 _
+
+1 9 _  _ _ 4  _ 8 _
+_ _ _  _ _ _  7 _ _
+_ 6 _  8 5 _  _ _ _
+
+SOLUTION:
+8 1 9  5 3 7  2 6 4
+7 5 4  6 9 2  8 3 1
+6 2 3  1 4 8  5 9 7
+
+9 7 2  3 6 5  1 4 8
+3 8 1  4 7 9  6 5 2
+5 4 6  2 8 1  9 7 3
+
+1 9 5  7 2 4  3 8 6
+4 3 8  9 1 6  7 2 5
+2 6 7  8 5 3  4 1 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,null,8,4,null,null,2,5,2,null,null,null,null,8,null,6,null,4,null,null,null,null,null,null,null,1,null,null,null,3,null,null,2,4,null,null,7,null,null,8,6,null,null,null,null,null,null,null,null,null,null,null,null,7,null,4,null,null,2,3,null,4,null,null,null,1,null,null,null,null,null,null,null,null,null,6,null,7,null],"solution":[7,3,6,0,8,4,5,1,2,5,2,0,3,7,1,8,4,6,8,4,1,5,6,2,3,0,7,1,8,5,6,3,0,7,2,4,2,0,7,1,4,8,6,5,3,3,6,4,2,5,7,1,8,0,6,7,8,4,0,5,2,3,1,4,5,2,7,1,3,0,6,8,0,1,3,8,2,6,4,7,5]}
+PUZZLE:
+_ 4 _  _ 9 5  _ _ 3
+6 3 _  _ _ _  9 _ 7
+_ 5 _  _ _ _  _ _ _
+
+2 _ _  _ 4 _  _ 3 5
+_ _ 8  _ _ 9  7 _ _
+_ _ _  _ _ _  _ _ _
+
+_ 8 _  5 _ _  3 4 _
+5 _ _  _ 2 _  _ _ _
+_ _ _  _ _ 7  _ 8 _
+
+SOLUTION:
+8 4 7  1 9 5  6 2 3
+6 3 1  4 8 2  9 5 7
+9 5 2  6 7 3  4 1 8
+
+2 9 6  7 4 1  8 3 5
+3 1 8  2 5 9  7 6 4
+4 7 5  3 6 8  2 9 1
+
+7 8 9  5 1 6  3 4 2
+5 6 3  8 2 4  1 7 9
+1 2 4  9 3 7  5 8 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,8,null,null,null,7,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,8,null,4,7,null,null,null,null,null,7,null,null,0,null,null,2,0,null,null,null,null,6,null,null,null,null,5,null,null,1,8,null,null,null,null,null,null,3,null,null,null,7,null,null,4,null,null,null,3,2,null,4,6,null,0,5,7,null,null],"solution":[0,8,2,1,4,7,3,5,6,4,1,7,3,5,6,8,2,0,5,6,3,0,8,2,4,7,1,8,3,5,6,7,1,2,0,4,1,2,0,8,3,4,5,6,7,6,7,4,5,2,0,1,8,3,2,0,8,7,1,3,6,4,5,7,5,1,4,6,8,0,3,2,3,4,6,2,0,5,7,1,8]}
+PUZZLE:
+_ 9 _  _ _ 8  _ _ _
+_ 2 _  _ _ _  _ _ _
+_ _ _  _ 9 _  5 8 _
+
+_ _ _  _ 8 _  _ 1 _
+_ 3 1  _ _ _  _ 7 _
+_ _ _  6 _ _  2 9 _
+
+_ _ _  _ _ 4  _ _ _
+8 _ _  5 _ _  _ 4 3
+_ 5 7  _ 1 6  8 _ _
+
+SOLUTION:
+1 9 3  2 5 8  4 6 7
+5 2 8  4 6 7  9 3 1
+6 7 4  1 9 3  5 8 2
+
+9 4 6  7 8 2  3 1 5
+2 3 1  9 4 5  6 7 8
+7 8 5  6 3 1  2 9 4
+
+3 1 9  8 2 4  7 5 6
+8 6 2  5 7 9  1 4 3
+4 5 7  3 1 6  8 2 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,5,4,null,7,null,null,2,null,null,null,0,null,null,null,3,null,null,null,null,7,5,null,null,8,null,null,null,null,null,null,0,6,null,null,null,null,null,null,4,2,null,null,1,6,null,null,null,8,null,null,null,null,null,null,null,null,6,4,5,null,8,null,0,null,null,7,null,null,null,null,7,null,null,5,null,null,0],"solution":[1,6,8,3,5,4,0,7,2,7,2,5,6,8,0,1,3,4,3,4,0,1,2,7,5,6,8,8,7,2,5,4,1,3,0,6,0,5,3,8,7,6,4,2,1,4,1,6,2,0,3,8,5,7,2,0,1,7,3,8,6,4,5,5,8,4,0,6,2,7,1,3,6,3,7,4,1,5,2,8,0]}
+PUZZLE:
+_ _ _  _ 6 5  _ 8 _
+_ 3 _  _ _ 1  _ _ _
+4 _ _  _ _ 8  6 _ _
+
+9 _ _  _ _ _  _ 1 7
+_ _ _  _ _ _  5 3 _
+_ 2 7  _ _ _  9 _ _
+
+_ _ _  _ _ _  7 5 6
+_ 9 _  1 _ _  8 _ _
+_ _ 8  _ _ 6  _ _ 1
+
+SOLUTION:
+2 7 9  4 6 5  1 8 3
+8 3 6  7 9 1  2 4 5
+4 5 1  2 3 8  6 7 9
+
+9 8 3  6 5 2  4 1 7
+1 6 4  9 8 7  5 3 2
+5 2 7  3 1 4  9 6 8
+
+3 1 2  8 4 9  7 5 6
+6 9 5  1 7 3  8 2 4
+7 4 8  5 2 6  3 9 1
+
+RATING: 2.25
+DATA:
+{"puzzle":[5,6,null,null,8,null,null,null,null,null,4,null,1,null,3,null,null,null,null,null,1,0,null,null,null,null,6,null,null,null,3,0,null,null,null,1,null,null,0,null,null,null,null,4,null,3,null,null,null,null,null,6,null,5,null,7,3,2,null,8,null,1,null,1,null,null,null,null,null,null,null,null,null,8,null,null,null,null,5,null,null],"solution":[5,6,2,4,8,7,1,3,0,0,4,8,1,6,3,2,5,7,7,3,1,0,2,5,4,8,6,4,5,6,3,0,2,8,7,1,8,1,0,5,7,6,3,4,2,3,2,7,8,4,1,6,0,5,6,7,3,2,5,8,0,1,4,1,0,5,6,3,4,7,2,8,2,8,4,7,1,0,5,6,3]}
+PUZZLE:
+6 7 _  _ 9 _  _ _ _
+_ 5 _  2 _ 4  _ _ _
+_ _ 2  1 _ _  _ _ 7
+
+_ _ _  4 1 _  _ _ 2
+_ _ 1  _ _ _  _ 5 _
+4 _ _  _ _ _  7 _ 6
+
+_ 8 4  3 _ 9  _ 2 _
+2 _ _  _ _ _  _ _ _
+_ 9 _  _ _ _  6 _ _
+
+SOLUTION:
+6 7 3  5 9 8  2 4 1
+1 5 9  2 7 4  3 6 8
+8 4 2  1 3 6  5 9 7
+
+5 6 7  4 1 3  9 8 2
+9 2 1  6 8 7  4 5 3
+4 3 8  9 5 2  7 1 6
+
+7 8 4  3 6 9  1 2 5
+2 1 6  7 4 5  8 3 9
+3 9 5  8 2 1  6 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,1,null,null,8,null,null,null,2,null,null,null,null,null,4,null,null,3,null,8,null,6,null,null,null,null,null,1,0,7,null,null,null,2,6,null,null,3,null,null,null,null,8,null,null,null,null,null,null,null,null,3,null,null,null,6,3,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,0,null,3,1,null],"solution":[4,7,1,2,5,8,6,0,3,2,6,5,0,3,1,4,7,8,3,0,8,4,6,7,2,5,1,8,1,0,7,4,3,5,2,6,5,2,3,6,1,0,7,8,4,6,4,7,8,2,5,1,3,0,1,5,6,3,8,2,0,4,7,0,3,2,1,7,4,8,6,5,7,8,4,5,0,6,3,1,2]}
+PUZZLE:
+_ 8 2  _ _ 9  _ _ _
+3 _ _  _ _ _  5 _ _
+4 _ 9  _ 7 _  _ _ _
+
+_ 2 1  8 _ _  _ 3 7
+_ _ 4  _ _ _  _ 9 _
+_ _ _  _ _ _  _ 4 _
+
+_ _ 7  4 _ _  1 _ _
+_ _ _  _ _ _  _ _ _
+_ _ _  6 1 _  4 2 _
+
+SOLUTION:
+5 8 2  3 6 9  7 1 4
+3 7 6  1 4 2  5 8 9
+4 1 9  5 7 8  3 6 2
+
+9 2 1  8 5 4  6 3 7
+6 3 4  7 2 1  8 9 5
+7 5 8  9 3 6  2 4 1
+
+2 6 7  4 9 3  1 5 8
+1 4 3  2 8 5  9 7 6
+8 9 5  6 1 7  4 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,8,null,null,null,0,null,1,null,null,7,4,null,null,5,null,null,2,8,null,1,4,null,null,null,null,null,5,2,null,null,null,8,0,3,null,null,6,null,null,null,null,7,null,null,null,1,0,null,3,null,null,null,null,null,null,null,null,0,null,6,7,null,null,null,null,null,null,null,null,2,null,null],"solution":[3,2,1,7,6,8,5,0,4,8,5,6,2,0,4,1,3,7,7,4,0,1,5,3,6,2,8,0,1,4,6,3,2,8,7,5,2,7,5,4,8,0,3,6,1,6,3,8,5,1,7,0,4,2,1,0,7,3,2,5,4,8,6,5,8,2,0,4,6,7,1,3,4,6,3,8,7,1,2,5,0]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+9 _ _  _ 1 _  2 _ _
+8 5 _  _ 6 _  _ 3 9
+
+_ 2 5  _ _ _  _ _ 6
+3 _ _  _ 9 1  4 _ _
+7 _ _  _ _ 8  _ _ _
+
+2 1 _  4 _ _  _ _ _
+_ _ _  1 _ 7  8 _ _
+_ _ _  _ _ _  3 _ _
+
+SOLUTION:
+4 3 2  8 7 9  6 1 5
+9 6 7  3 1 5  2 4 8
+8 5 1  2 6 4  7 3 9
+
+1 2 5  7 4 3  9 8 6
+3 8 6  5 9 1  4 7 2
+7 4 9  6 2 8  1 5 3
+
+2 1 8  4 3 6  5 9 7
+6 9 3  1 5 7  8 2 4
+5 7 4  9 8 2  3 6 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,8,null,7,null,null,6,2,4,null,0,null,null,null,null,null,null,null,null,2,null,null,0,8,null,6,null,4,null,null,8,null,3,null,3,null,null,null,null,2,null,null,7,null,null,null,null,null,null,null,null,null,null,null,3,1,null,5,null,null,null,4,null,5,null,null,null,1,0,null,0,null,null,6,null,null,null,null,null],"solution":[5,0,1,8,3,7,4,2,6,2,4,8,0,5,6,3,7,1,7,3,6,2,4,1,0,8,5,6,7,4,5,1,8,2,3,0,3,8,0,4,6,2,5,1,7,1,5,2,3,7,0,6,4,8,8,2,3,1,0,5,7,6,4,4,6,5,7,8,3,1,0,2,0,1,7,6,2,4,8,5,3]}
+PUZZLE:
+_ _ _  9 _ 8  _ _ 7
+3 5 _  1 _ _  _ _ _
+_ _ _  3 _ _  1 9 _
+
+7 _ 5  _ _ 9  _ 4 _
+4 _ _  _ _ 3  _ _ 8
+_ _ _  _ _ _  _ _ _
+
+_ _ 4  2 _ 6  _ _ _
+5 _ 6  _ _ _  2 1 _
+1 _ _  7 _ _  _ _ _
+
+SOLUTION:
+6 1 2  9 4 8  5 3 7
+3 5 9  1 6 7  4 8 2
+8 4 7  3 5 2  1 9 6
+
+7 8 5  6 2 9  3 4 1
+4 9 1  5 7 3  6 2 8
+2 6 3  4 8 1  7 5 9
+
+9 3 4  2 1 6  8 7 5
+5 7 6  8 9 4  2 1 3
+1 2 8  7 3 5  9 6 4
+
+RATING: 1
+DATA:
+{"puzzle":[2,null,0,null,null,null,null,null,7,1,null,null,null,null,null,null,4,null,null,6,null,3,7,null,null,null,null,null,null,null,7,null,null,2,null,null,null,null,null,null,null,3,4,null,null,null,null,null,null,0,1,null,null,3,null,0,2,null,null,4,3,null,null,null,null,null,null,5,null,null,null,null,6,7,4,null,null,0,null,2,null],"solution":[2,5,0,1,4,6,8,3,7,1,3,7,0,8,2,5,4,6,4,6,8,3,7,5,0,1,2,0,4,3,7,6,8,2,5,1,7,1,6,5,2,3,4,8,0,8,2,5,4,0,1,7,6,3,5,0,2,6,1,4,3,7,8,3,8,1,2,5,7,6,0,4,6,7,4,8,3,0,1,2,5]}
+PUZZLE:
+3 _ 1  _ _ _  _ _ 8
+2 _ _  _ _ _  _ 5 _
+_ 7 _  4 8 _  _ _ _
+
+_ _ _  8 _ _  3 _ _
+_ _ _  _ _ 4  5 _ _
+_ _ _  _ 1 2  _ _ 4
+
+_ 1 3  _ _ 5  4 _ _
+_ _ _  _ 6 _  _ _ _
+7 8 5  _ _ 1  _ 3 _
+
+SOLUTION:
+3 6 1  2 5 7  9 4 8
+2 4 8  1 9 3  6 5 7
+5 7 9  4 8 6  1 2 3
+
+1 5 4  8 7 9  3 6 2
+8 2 7  6 3 4  5 9 1
+9 3 6  5 1 2  8 7 4
+
+6 1 3  7 2 5  4 8 9
+4 9 2  3 6 8  7 1 5
+7 8 5  9 4 1  2 3 6
+
+RATING: 0
+DATA:
+{"puzzle":[4,1,null,null,0,3,null,2,null,5,8,null,null,null,null,null,6,null,null,null,0,null,null,4,null,null,null,0,4,null,null,null,6,null,null,2,null,null,null,8,null,1,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,1,null,null,null,null,2,3,null,null,null,null,null,null,null,null,null,1,null,5,null,7,null,null],"solution":[4,1,7,6,0,3,8,2,5,5,8,3,1,7,2,4,6,0,6,2,0,5,8,4,3,7,1,0,4,8,7,3,6,5,1,2,3,5,6,8,2,1,0,4,7,1,7,2,0,4,5,6,8,3,7,0,4,3,1,8,2,5,6,2,3,5,4,6,7,1,0,8,8,6,1,2,5,0,7,3,4]}
+PUZZLE:
+5 2 _  _ 1 4  _ 3 _
+6 9 _  _ _ _  _ 7 _
+_ _ 1  _ _ 5  _ _ _
+
+1 5 _  _ _ 7  _ _ 3
+_ _ _  9 _ 2  _ _ _
+_ _ _  _ _ _  _ 9 _
+
+_ _ _  _ 2 _  _ _ _
+3 4 _  _ _ _  _ _ _
+_ _ 2  _ 6 _  8 _ _
+
+SOLUTION:
+5 2 8  7 1 4  9 3 6
+6 9 4  2 8 3  5 7 1
+7 3 1  6 9 5  4 8 2
+
+1 5 9  8 4 7  6 2 3
+4 6 7  9 3 2  1 5 8
+2 8 3  1 5 6  7 9 4
+
+8 1 5  4 2 9  3 6 7
+3 4 6  5 7 8  2 1 9
+9 7 2  3 6 1  8 4 5
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,3,null,null,4,5,5,null,null,null,null,null,null,null,null,null,null,0,null,null,null,2,8,null,0,null,6,1,7,null,5,null,null,null,null,null,null,4,null,1,null,null,null,null,8,0,null,null,null,null,null,6,null,5,null,null,null,null,null,7,null,null,null,2,null,null,null,null,null,null,7,null,null,5,8,null,null,null],"solution":[1,8,2,6,3,0,7,4,5,5,6,4,7,8,2,3,1,0,7,3,0,5,1,4,2,8,6,0,4,6,1,7,3,5,2,8,2,5,7,8,4,6,1,0,3,3,1,8,0,2,5,6,7,4,6,2,5,4,0,1,8,3,7,8,0,3,2,6,7,4,5,1,4,7,1,3,5,8,0,6,2]}
+PUZZLE:
+_ _ _  _ 4 _  _ 5 6
+6 _ _  _ _ _  _ _ _
+_ _ 1  _ _ _  3 9 _
+
+1 _ 7  2 8 _  6 _ _
+_ _ _  _ 5 _  2 _ _
+_ _ 9  1 _ _  _ _ _
+
+7 _ 6  _ _ _  _ _ 8
+_ _ _  3 _ _  _ _ _
+_ 8 _  _ 6 9  _ _ _
+
+SOLUTION:
+2 9 3  7 4 1  8 5 6
+6 7 5  8 9 3  4 2 1
+8 4 1  6 2 5  3 9 7
+
+1 5 7  2 8 4  6 3 9
+3 6 8  9 5 7  2 1 4
+4 2 9  1 3 6  7 8 5
+
+7 3 6  5 1 2  9 4 8
+9 1 4  3 7 8  5 6 2
+5 8 2  4 6 9  1 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[5,null,8,null,6,2,null,null,null,null,null,null,4,null,null,3,0,null,7,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,1,8,null,1,null,7,null,6,4,null,null,null,null,null,null,null,7,null,null,1,null,null,null,null,null,null,2,null,null,5,2,null,null,6,0,null,null,null,null,3,null,null,null,null,null,null],"solution":[5,3,8,0,6,2,4,1,7,2,1,6,4,5,7,3,0,8,7,4,0,1,3,8,5,6,2,6,7,4,5,8,0,2,3,1,8,0,1,2,7,3,6,4,5,3,2,5,6,4,1,7,8,0,1,6,7,3,0,5,8,2,4,4,5,2,8,1,6,0,7,3,0,8,3,7,2,4,1,5,6]}
+PUZZLE:
+6 _ 9  _ 7 3  _ _ _
+_ _ _  5 _ _  4 1 _
+8 _ _  _ _ _  _ _ _
+
+_ _ _  6 _ _  _ _ 2
+9 _ 2  _ 8 _  7 5 _
+_ _ _  _ _ _  8 _ _
+
+2 _ _  _ _ _  _ 3 _
+_ 6 3  _ _ 7  1 _ _
+_ _ 4  _ _ _  _ _ _
+
+SOLUTION:
+6 4 9  1 7 3  5 2 8
+3 2 7  5 6 8  4 1 9
+8 5 1  2 4 9  6 7 3
+
+7 8 5  6 9 1  3 4 2
+9 1 2  3 8 4  7 5 6
+4 3 6  7 5 2  8 9 1
+
+2 7 8  4 1 6  9 3 5
+5 6 3  9 2 7  1 8 4
+1 9 4  8 3 5  2 6 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,6,null,1,null,null,4,null,null,null,null,2,8,null,7,null,8,null,null,3,null,null,1,null,null,4,null,null,5,null,3,6,null,null,null,8,3,null,null,null,null,null,null,null,2,7,null,4,null,null,null,null,null,null,null,7,0,null,3,6,null,null,3,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,5],"solution":[3,7,0,6,5,1,2,8,4,1,5,6,4,2,8,0,7,3,8,4,2,3,7,0,1,5,6,4,0,1,5,8,3,6,2,7,6,8,3,2,1,7,5,4,0,5,2,7,0,4,6,8,3,1,2,1,5,7,0,4,3,6,8,7,3,8,1,6,5,4,0,2,0,6,4,8,3,2,7,1,5]}
+PUZZLE:
+_ _ _  7 _ 2  _ _ 5
+_ _ _  _ 3 9  _ 8 _
+9 _ _  4 _ _  2 _ _
+
+5 _ _  6 _ 4  7 _ _
+_ 9 4  _ _ _  _ _ _
+_ 3 8  _ 5 _  _ _ _
+
+_ _ _  8 1 _  4 7 _
+_ 4 _  _ _ _  _ 1 _
+_ _ _  _ _ _  _ _ 6
+
+SOLUTION:
+4 8 1  7 6 2  3 9 5
+2 6 7  5 3 9  1 8 4
+9 5 3  4 8 1  2 6 7
+
+5 1 2  6 9 4  7 3 8
+7 9 4  3 2 8  6 5 1
+6 3 8  1 5 7  9 4 2
+
+3 2 6  8 1 5  4 7 9
+8 4 9  2 7 6  5 1 3
+1 7 5  9 4 3  8 2 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[8,null,null,null,7,null,5,null,null,null,3,null,null,null,6,null,1,null,7,null,null,null,null,null,4,3,null,null,null,2,1,null,0,null,null,null,null,0,null,null,3,null,null,2,null,null,5,null,null,null,null,1,null,null,5,null,null,null,4,null,2,0,3,null,null,null,null,1,null,6,4,null,null,null,null,null,null,3,null,null,null],"solution":[8,1,0,3,7,4,5,6,2,2,3,4,8,5,6,0,1,7,7,6,5,2,0,1,4,3,8,6,7,2,1,8,0,3,5,4,1,0,8,4,3,5,7,2,6,4,5,3,7,6,2,1,8,0,5,8,1,6,4,7,2,0,3,3,2,7,0,1,8,6,4,5,0,4,6,5,2,3,8,7,1]}
+PUZZLE:
+9 _ _  _ 8 _  6 _ _
+_ 4 _  _ _ 7  _ 2 _
+8 _ _  _ _ _  5 4 _
+
+_ _ 3  2 _ 1  _ _ _
+_ 1 _  _ 4 _  _ 3 _
+_ 6 _  _ _ _  2 _ _
+
+6 _ _  _ 5 _  3 1 4
+_ _ _  _ 2 _  7 5 _
+_ _ _  _ _ 4  _ _ _
+
+SOLUTION:
+9 2 1  4 8 5  6 7 3
+3 4 5  9 6 7  1 2 8
+8 7 6  3 1 2  5 4 9
+
+7 8 3  2 9 1  4 6 5
+2 1 9  5 4 6  8 3 7
+5 6 4  8 7 3  2 9 1
+
+6 9 2  7 5 8  3 1 4
+4 3 8  1 2 9  7 5 6
+1 5 7  6 3 4  9 8 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,6,null,2,null,7,null,null,null,null,null,3,8,null,null,4,null,null,null,4,null,null,null,null,5,null,null,null,null,null,null,0,null,7,4,null,null,null,0,null,null,null,null,null,null,null,5,8,4,1,null,null,null,6,null,null,null,null,5,null,8,null,0,null,null,null,1,7,null,null,null,null,null,1,null,null,null,null,null,null,4],"solution":[8,6,5,2,4,7,0,3,1,1,0,3,8,6,5,4,2,7,2,4,7,0,3,1,5,6,8,6,2,1,5,0,8,7,4,3,4,3,0,7,2,6,1,8,5,7,5,8,4,1,3,2,0,6,3,7,4,6,5,2,8,1,0,0,8,6,1,7,4,3,5,2,5,1,2,3,8,0,6,7,4]}
+PUZZLE:
+_ 7 _  3 _ 8  _ _ _
+_ _ 4  9 _ _  5 _ _
+_ 5 _  _ _ _  6 _ _
+
+_ _ _  _ 1 _  8 5 _
+_ _ 1  _ _ _  _ _ _
+_ 6 9  5 2 _  _ _ 7
+
+_ _ _  _ 6 _  9 _ 1
+_ _ _  2 8 _  _ _ _
+_ 2 _  _ _ _  _ _ 5
+
+SOLUTION:
+9 7 6  3 5 8  1 4 2
+2 1 4  9 7 6  5 3 8
+3 5 8  1 4 2  6 7 9
+
+7 3 2  6 1 9  8 5 4
+5 4 1  8 3 7  2 9 6
+8 6 9  5 2 4  3 1 7
+
+4 8 5  7 6 3  9 2 1
+1 9 7  2 8 5  4 6 3
+6 2 3  4 9 1  7 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,3,7,6,null,null,4,null,null,null,5,null,null,0,null,null,null,7,4,null,null,null,1,null,null,null,null,null,null,null,null,null,null,8,1,null,null,null,6,null,null,7,null,null,null,null,2,null,null,null,6,null,null,5,null,null,4,null,null,0,7,null,4,2,null,null,null,null,8,null,null,0,null,null,null,1,3,null,6,null],"solution":[2,0,3,7,6,5,1,4,8,1,6,5,8,4,0,2,3,7,7,4,8,3,2,1,5,0,6,6,5,4,0,7,2,3,8,1,3,1,0,6,5,8,7,2,4,8,7,2,1,3,4,6,5,0,5,3,1,4,8,6,0,7,2,4,2,6,5,0,7,8,1,3,0,8,7,2,1,3,4,6,5]}
+PUZZLE:
+3 _ 4  8 7 _  _ 5 _
+_ _ 6  _ _ 1  _ _ _
+8 5 _  _ _ 2  _ _ _
+
+_ _ _  _ _ _  _ 9 2
+_ _ _  7 _ _  8 _ _
+_ _ 3  _ _ _  7 _ _
+
+6 _ _  5 _ _  1 8 _
+5 3 _  _ _ _  9 _ _
+1 _ _  _ 2 4  _ 7 _
+
+SOLUTION:
+3 1 4  8 7 6  2 5 9
+2 7 6  9 5 1  3 4 8
+8 5 9  4 3 2  6 1 7
+
+7 6 5  1 8 3  4 9 2
+4 2 1  7 6 9  8 3 5
+9 8 3  2 4 5  7 6 1
+
+6 4 2  5 9 7  1 8 3
+5 3 7  6 1 8  9 2 4
+1 9 8  3 2 4  5 7 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[5,0,2,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,6,null,null,2,null,null,5,6,null,null,null,3,7,null,null,null,null,null,0,null,1,null,6,null,8,7,5,null,null,null,null,null,null,null,4,null,null,null,null,6,7,null,null,null,null,null,5,null,null,1,8,null,null,null,null,2,null,null,null,3,null],"solution":[5,0,2,1,6,3,8,4,7,3,7,4,0,5,8,2,6,1,1,8,6,7,4,2,3,0,5,6,4,1,8,3,7,0,5,2,2,3,0,4,1,5,6,7,8,7,5,8,6,2,0,4,1,3,4,1,5,3,8,6,7,2,0,0,2,3,5,7,4,1,8,6,8,6,7,2,0,1,5,3,4]}
+PUZZLE:
+6 1 3  _ _ _  _ _ _
+_ _ _  _ _ 9  _ _ _
+_ _ 7  _ _ 3  _ _ 6
+
+7 _ _  _ 4 8  _ _ _
+_ _ 1  _ 2 _  7 _ 9
+8 6 _  _ _ _  _ _ _
+
+5 _ _  _ _ 7  8 _ _
+_ _ _  6 _ _  2 9 _
+_ _ _  3 _ _  _ 4 _
+
+SOLUTION:
+6 1 3  2 7 4  9 5 8
+4 8 5  1 6 9  3 7 2
+2 9 7  8 5 3  4 1 6
+
+7 5 2  9 4 8  1 6 3
+3 4 1  5 2 6  7 8 9
+8 6 9  7 3 1  5 2 4
+
+5 2 6  4 9 7  8 3 1
+1 3 4  6 8 5  2 9 7
+9 7 8  3 1 2  6 4 5
+
+RATING: 2.75
+DATA:
+{"puzzle":[1,null,null,null,3,7,null,null,null,5,null,4,null,null,null,null,6,null,null,null,2,null,null,1,null,3,null,null,null,7,null,null,null,null,0,8,null,null,null,null,null,null,null,null,null,0,null,5,null,null,null,4,null,2,4,null,null,null,0,null,8,null,null,null,null,null,null,null,null,null,7,null,null,null,6,1,null,8,3,null,null],"solution":[1,6,0,5,3,7,2,8,4,5,3,4,0,8,2,1,6,7,8,7,2,4,6,1,5,3,0,3,4,7,2,1,5,6,0,8,6,2,1,8,4,0,7,5,3,0,8,5,6,7,3,4,1,2,4,5,3,7,0,6,8,2,1,2,1,8,3,5,4,0,7,6,7,0,6,1,2,8,3,4,5]}
+PUZZLE:
+2 _ _  _ 4 8  _ _ _
+6 _ 5  _ _ _  _ 7 _
+_ _ 3  _ _ 2  _ 4 _
+
+_ _ 8  _ _ _  _ 1 9
+_ _ _  _ _ _  _ _ _
+1 _ 6  _ _ _  5 _ 3
+
+5 _ _  _ 1 _  9 _ _
+_ _ _  _ _ _  _ 8 _
+_ _ 7  2 _ 9  4 _ _
+
+SOLUTION:
+2 7 1  6 4 8  3 9 5
+6 4 5  1 9 3  2 7 8
+9 8 3  5 7 2  6 4 1
+
+4 5 8  3 2 6  7 1 9
+7 3 2  9 5 1  8 6 4
+1 9 6  7 8 4  5 2 3
+
+5 6 4  8 1 7  9 3 2
+3 2 9  4 6 5  1 8 7
+8 1 7  2 3 9  4 5 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,6,null,null,0,null,null,4,0,null,null,null,5,8,null,null,8,null,null,null,null,1,3,null,null,null,null,7,null,null,null,6,null,null,null,null,null,8,2,null,null,5,null,null,5,3,null,null,null,null,1,null,7,null,4,null,1,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,8,4,null,2,null],"solution":[1,3,5,6,4,8,0,7,2,4,0,2,7,3,5,8,6,1,8,7,6,2,0,1,3,4,5,2,8,7,1,5,0,6,3,4,6,4,1,8,2,3,7,5,0,0,5,3,4,6,7,2,1,8,7,2,4,0,1,6,5,8,3,5,1,8,3,7,2,4,0,6,3,6,0,5,8,4,1,2,7]}
+PUZZLE:
+_ _ _  7 _ _  1 _ _
+5 1 _  _ _ 6  9 _ _
+9 _ _  _ _ 2  4 _ _
+
+_ _ 8  _ _ _  7 _ _
+_ _ _  9 3 _  _ 6 _
+_ 6 4  _ _ _  _ 2 _
+
+8 _ 5  _ 2 _  _ _ _
+_ _ _  4 _ _  _ _ _
+_ _ _  _ 9 5  _ 3 _
+
+SOLUTION:
+2 4 6  7 5 9  1 8 3
+5 1 3  8 4 6  9 7 2
+9 8 7  3 1 2  4 5 6
+
+3 9 8  2 6 1  7 4 5
+7 5 2  9 3 4  8 6 1
+1 6 4  5 7 8  3 2 9
+
+8 3 5  1 2 7  6 9 4
+6 2 9  4 8 3  5 1 7
+4 7 1  6 9 5  2 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,null,null,2,null,null,null,5,null,8,2,null,null,null,null,8,null,2,5,7,null,null,4,null,null,null,null,null,5,6,8,null,7,null,null,null,null,null,null,1,null,0,0,null,null,null,null,null,4,null,null,2,null,null,null,4,null,null,null,6,null,null,null,null,null,null,null,null,null,7,8,null,null,0,1,null,null,null],"solution":[4,7,3,6,1,0,2,8,5,6,5,1,8,2,4,0,7,3,8,0,2,5,7,3,6,4,1,1,2,4,0,5,6,8,3,7,5,3,7,4,8,2,1,6,0,0,6,8,1,3,7,4,5,2,2,1,5,7,4,8,3,0,6,3,4,0,2,6,5,7,1,8,7,8,6,3,0,1,5,2,4]}
+PUZZLE:
+_ _ 4  _ _ _  3 _ _
+_ 6 _  9 3 _  _ _ _
+9 _ 3  6 8 _  _ 5 _
+
+_ _ _  _ 6 7  9 _ 8
+_ _ _  _ _ _  2 _ 1
+1 _ _  _ _ _  5 _ _
+
+3 _ _  _ 5 _  _ _ 7
+_ _ _  _ _ _  _ _ _
+8 9 _  _ 1 2  _ _ _
+
+SOLUTION:
+5 8 4  7 2 1  3 9 6
+7 6 2  9 3 5  1 8 4
+9 1 3  6 8 4  7 5 2
+
+2 3 5  1 6 7  9 4 8
+6 4 8  5 9 3  2 7 1
+1 7 9  2 4 8  5 6 3
+
+3 2 6  8 5 9  4 1 7
+4 5 1  3 7 6  8 2 9
+8 9 7  4 1 2  6 3 5
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,8,null,null,null,null,null,6,1,null,7,null,null,null,null,null,8,null,0,null,null,null,6,7,null,0,null,3,6,2,1,null,null,null,null,null,null,null,null,0,null,null,4,3,null,8,null,null,null,null,null,null,null,5,null,4,null,6,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,8,0],"solution":[7,5,0,6,8,4,3,1,2,2,6,1,5,7,3,8,0,4,3,8,4,0,2,1,5,6,7,5,0,7,3,6,2,1,4,8,6,1,8,4,5,7,0,2,3,4,3,2,8,1,0,7,5,6,0,7,5,2,4,8,6,3,1,8,2,3,1,0,6,4,7,5,1,4,6,7,3,5,2,8,0]}
+PUZZLE:
+_ _ _  _ 9 _  _ _ _
+_ 7 2  _ 8 _  _ _ _
+_ 9 _  1 _ _  _ 7 8
+
+_ 1 _  4 7 3  2 _ _
+_ _ _  _ _ _  1 _ _
+5 4 _  9 _ _  _ _ _
+
+_ _ 6  _ 5 _  7 _ 2
+_ _ _  _ _ _  _ _ _
+_ _ _  _ _ _  3 9 1
+
+SOLUTION:
+8 6 1  7 9 5  4 2 3
+3 7 2  6 8 4  9 1 5
+4 9 5  1 3 2  6 7 8
+
+6 1 8  4 7 3  2 5 9
+7 2 9  5 6 8  1 3 4
+5 4 3  9 2 1  8 6 7
+
+1 8 6  3 5 9  7 4 2
+9 3 4  2 1 7  5 8 6
+2 5 7  8 4 6  3 9 1
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,7,8,0,5,null,2,null,null,null,null,null,null,6,null,0,null,5,null,null,null,null,null,null,null,3,null,8,6,4,5,null,null,null,null,null,null,null,null,null,null,3,null,2,null,2,null,null,null,null,null,4,null,7,null,null,null,null,null,null,7,null,3,6,null,null,null,null,null,null,1,null,null,null,1,4,null,null,null,null,null],"solution":[3,7,8,0,5,1,2,6,4,4,1,2,3,6,8,0,7,5,0,5,6,2,7,4,1,3,8,8,6,4,5,2,7,3,0,1,1,0,7,8,4,3,5,2,6,2,3,5,6,1,0,4,8,7,5,2,0,1,8,6,7,4,3,6,4,3,7,0,5,8,1,2,7,8,1,4,3,2,6,5,0]}
+PUZZLE:
+_ 8 9  1 6 _  3 _ _
+_ _ _  _ 7 _  1 _ 6
+_ _ _  _ _ _  _ 4 _
+
+9 7 5  6 _ _  _ _ _
+_ _ _  _ _ 4  _ 3 _
+3 _ _  _ _ _  5 _ 8
+
+_ _ _  _ _ _  8 _ 4
+7 _ _  _ _ _  _ 2 _
+_ _ 2  5 _ _  _ _ _
+
+SOLUTION:
+4 8 9  1 6 2  3 7 5
+5 2 3  4 7 9  1 8 6
+1 6 7  3 8 5  2 4 9
+
+9 7 5  6 3 8  4 1 2
+2 1 8  9 5 4  6 3 7
+3 4 6  7 2 1  5 9 8
+
+6 3 1  2 9 7  8 5 4
+7 5 4  8 1 6  9 2 3
+8 9 2  5 4 3  7 6 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,0,5,null,null,7,null,7,null,null,null,null,2,4,6,null,null,null,null,null,null,null,3,null,null,null,null,null,null,7,null,null,null,null,6,3,null,4,null,null,null,1,7,null,null,null,6,null,null,null,4,null,null,null,7,null,null,null,null,null,null,4,5,null,null,2,null,null,3,null,null,6,2,null,1,null,5,null,null],"solution":[8,4,3,0,5,6,1,7,2,7,1,0,3,8,2,4,6,5,5,2,6,1,4,7,3,0,8,1,0,4,2,7,8,6,5,3,6,3,8,4,0,5,2,1,7,2,7,5,6,3,1,8,4,0,3,8,7,5,6,4,0,2,1,4,5,1,8,2,0,7,3,6,0,6,2,7,1,3,5,8,4]}
+PUZZLE:
+_ _ _  1 6 _  _ 8 _
+8 _ _  _ _ 3  5 7 _
+_ _ _  _ _ _  4 _ _
+
+_ _ _  _ 8 _  _ _ _
+7 4 _  5 _ _  _ 2 8
+_ _ _  7 _ _  _ 5 _
+
+_ _ 8  _ _ _  _ _ _
+5 6 _  _ 3 _  _ 4 _
+_ 7 3  _ 2 _  6 _ _
+
+SOLUTION:
+9 5 4  1 6 7  2 8 3
+8 2 1  4 9 3  5 7 6
+6 3 7  2 5 8  4 1 9
+
+2 1 5  3 8 9  7 6 4
+7 4 9  5 1 6  3 2 8
+3 8 6  7 4 2  9 5 1
+
+4 9 8  6 7 5  1 3 2
+5 6 2  9 3 1  8 4 7
+1 7 3  8 2 4  6 9 5
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,null,null,null,null,null,3,null,1,null,4,null,null,2,null,null,6,null,null,5,null,null,null,null,null,0,null,null,1,7,null,null,3,5,4,null,6,2,null,null,5,null,null,null,null,null,null,null,null,0,2,8,null,null,1,3,null,null,null,null,null,null,0,null,null,2,7,6,null,null,null,null,null,null,null],"solution":[6,1,4,0,8,5,2,7,3,5,8,7,3,2,1,0,4,6,3,2,0,7,6,4,8,5,1,2,4,8,6,0,3,5,1,7,1,7,3,5,4,8,6,2,0,0,5,6,2,1,7,3,8,4,4,0,2,8,7,6,1,3,5,8,3,1,4,5,0,7,6,2,7,6,5,1,3,2,4,0,8]}
+PUZZLE:
+_ 2 _  _ _ _  _ _ _
+_ _ _  4 _ 2  _ 5 _
+_ 3 _  _ 7 _  _ 6 _
+
+_ _ _  _ 1 _  _ 2 8
+_ _ 4  6 5 _  7 3 _
+_ 6 _  _ _ _  _ _ _
+
+_ 1 3  9 _ _  2 4 _
+_ _ _  _ _ 1  _ _ 3
+8 7 _  _ _ _  _ _ _
+
+SOLUTION:
+7 2 5  1 9 6  3 8 4
+6 9 8  4 3 2  1 5 7
+4 3 1  8 7 5  9 6 2
+
+3 5 9  7 1 4  6 2 8
+2 8 4  6 5 9  7 3 1
+1 6 7  3 2 8  4 9 5
+
+5 1 3  9 8 7  2 4 6
+9 4 2  5 6 1  8 7 3
+8 7 6  2 4 3  5 1 9
+
+RATING: 1
+DATA:
+{"puzzle":[null,4,2,null,null,8,1,null,null,null,6,null,null,null,null,null,2,7,null,5,null,null,null,null,6,null,null,null,null,3,null,1,null,5,null,null,null,null,null,null,6,2,null,null,null,null,null,6,null,null,null,null,7,4,null,null,null,0,2,null,8,null,null,null,null,null,8,null,null,null,1,null,null,7,null,4,null,null,null,null,null],"solution":[0,4,2,6,7,8,1,5,3,3,6,8,1,0,5,4,2,7,1,5,7,2,4,3,6,0,8,2,0,3,7,1,4,5,8,6,7,8,4,5,6,2,0,3,1,5,1,6,3,8,0,2,7,4,6,3,1,0,2,7,8,4,5,4,2,5,8,3,6,7,1,0,8,7,0,4,5,1,3,6,2]}
+PUZZLE:
+_ 5 3  _ _ 9  2 _ _
+_ 7 _  _ _ _  _ 3 8
+_ 6 _  _ _ _  7 _ _
+
+_ _ 4  _ 2 _  6 _ _
+_ _ _  _ 7 3  _ _ _
+_ _ 7  _ _ _  _ 8 5
+
+_ _ _  1 3 _  9 _ _
+_ _ _  9 _ _  _ 2 _
+_ 8 _  5 _ _  _ _ _
+
+SOLUTION:
+1 5 3  7 8 9  2 6 4
+4 7 9  2 1 6  5 3 8
+2 6 8  3 5 4  7 1 9
+
+3 1 4  8 2 5  6 9 7
+8 9 5  6 7 3  1 4 2
+6 2 7  4 9 1  3 8 5
+
+7 4 2  1 3 8  9 5 6
+5 3 6  9 4 7  8 2 1
+9 8 1  5 6 2  4 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,6,7,null,null,3,null,0,5,null,null,1,8,7,null,4,null,null,null,null,null,null,null,null,null,7,8,null,null,0,null,3,null,null,null,null,null,null,null,null,null,null,null,3,2,null,8,null,null,0,null,null,null,null,null,1,null,null,null,null,null,6,null,5,2,null,null,null,4,null,null,3,2,null,null,null,5,null,null],"solution":[2,4,8,6,7,0,1,3,5,0,5,6,3,1,8,7,2,4,1,7,3,5,4,2,6,0,8,7,8,1,4,0,6,3,5,2,5,6,0,7,2,3,4,8,1,3,2,4,8,5,1,0,7,6,4,0,7,1,8,5,2,6,3,6,1,5,2,3,7,8,4,0,8,3,2,0,6,4,5,1,7]}
+PUZZLE:
+_ _ _  7 8 _  _ 4 _
+1 6 _  _ 2 9  8 _ 5
+_ _ _  _ _ _  _ _ _
+
+8 9 _  _ 1 _  4 _ _
+_ _ _  _ _ _  _ _ _
+4 3 _  9 _ _  1 _ _
+
+_ _ _  2 _ _  _ _ _
+7 _ 6  3 _ _  _ 5 _
+_ 4 3  _ _ _  6 _ _
+
+SOLUTION:
+3 5 9  7 8 1  2 4 6
+1 6 7  4 2 9  8 3 5
+2 8 4  6 5 3  7 1 9
+
+8 9 2  5 1 7  4 6 3
+6 7 1  8 3 4  5 9 2
+4 3 5  9 6 2  1 8 7
+
+5 1 8  2 9 6  3 7 4
+7 2 6  3 4 8  9 5 1
+9 4 3  1 7 5  6 2 8
+
+RATING: 0
+DATA:
+{"puzzle":[5,null,3,7,null,null,null,null,null,null,null,null,null,null,1,null,null,4,null,null,null,null,null,8,6,null,null,2,null,null,0,null,null,null,null,null,null,null,null,null,5,null,null,8,null,null,0,4,null,null,null,null,null,null,null,5,0,null,null,null,null,6,null,7,null,null,3,1,null,0,null,null,null,2,null,null,null,null,1,null,8],"solution":[5,6,3,7,4,0,8,2,1,0,8,2,5,6,1,7,3,4,4,7,1,2,3,8,6,0,5,2,1,5,0,8,7,3,4,6,6,3,7,1,5,4,2,8,0,8,0,4,6,2,3,5,1,7,1,5,0,8,7,2,4,6,3,7,4,8,3,1,6,0,5,2,3,2,6,4,0,5,1,7,8]}
+PUZZLE:
+6 _ 4  8 _ _  _ _ _
+_ _ _  _ _ 2  _ _ 5
+_ _ _  _ _ 9  7 _ _
+
+3 _ _  1 _ _  _ _ _
+_ _ _  _ 6 _  _ 9 _
+_ 1 5  _ _ _  _ _ _
+
+_ 6 1  _ _ _  _ 7 _
+8 _ _  4 2 _  1 _ _
+_ 3 _  _ _ _  2 _ 9
+
+SOLUTION:
+6 7 4  8 5 1  9 3 2
+1 9 3  6 7 2  8 4 5
+5 8 2  3 4 9  7 1 6
+
+3 2 6  1 9 8  4 5 7
+7 4 8  2 6 5  3 9 1
+9 1 5  7 3 4  6 2 8
+
+2 6 1  9 8 3  5 7 4
+8 5 9  4 2 7  1 6 3
+4 3 7  5 1 6  2 8 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,7,null,null,4,1,null,null,null,6,null,3,null,null,null,3,2,null,null,4,6,5,null,2,1,null,null,null,null,null,4,null,null,null,7,null,null,6,2,null,0,null,null,6,null,5,null,null,null,null,null,null,null,null,null,null,8,null,null,4,null,null,null,7,null,null,null,null,7,6,null,3,null,null,null,null,null],"solution":[6,0,5,8,3,7,1,2,4,1,7,4,2,6,5,3,0,8,8,3,2,1,0,4,6,5,7,2,1,0,7,8,3,5,4,6,5,8,7,4,1,6,2,3,0,3,4,6,0,5,2,7,8,1,0,5,3,6,4,1,8,7,2,4,2,1,5,7,8,0,6,3,7,6,8,3,2,0,4,1,5]}
+PUZZLE:
+_ _ _  _ _ 8  _ _ 5
+2 _ _  _ 7 _  4 _ _
+_ 4 3  _ _ 5  7 6 _
+
+3 2 _  _ _ _  _ 5 _
+_ _ 8  _ _ 7  3 _ 1
+_ _ 7  _ 6 _  _ _ _
+
+_ _ _  _ _ _  9 _ _
+5 _ _  _ 8 _  _ _ _
+8 7 _  4 _ _  _ _ _
+
+SOLUTION:
+7 1 6  9 4 8  2 3 5
+2 8 5  3 7 6  4 1 9
+9 4 3  2 1 5  7 6 8
+
+3 2 1  8 9 4  6 5 7
+6 9 8  5 2 7  3 4 1
+4 5 7  1 6 3  8 9 2
+
+1 6 4  7 5 2  9 8 3
+5 3 2  6 8 9  1 7 4
+8 7 9  4 3 1  5 2 6
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,null,null,null,null,3,7,null,2,null,3,null,null,6,null,null,null,null,4,null,5,null,null,null,null,null,null,1,null,null,5,null,null,2,null,null,null,null,null,null,1,null,8,null,null,null,5,null,null,null,null,null,1,null,6,4,null,3,8,null,null,2,5,null,8,null,4,null,6,null,null,3,null,null,null,null,null,4,null,null],"solution":[6,8,0,2,1,4,3,7,5,2,5,3,0,7,6,8,1,4,1,4,7,5,8,3,2,6,0,4,1,6,8,5,7,0,2,3,7,3,2,4,0,1,5,8,6,8,0,5,3,6,2,7,4,1,0,6,4,7,3,8,1,5,2,5,2,8,1,4,0,6,3,7,3,7,1,6,2,5,4,0,8]}
+PUZZLE:
+_ _ _  _ _ _  4 8 _
+3 _ 4  _ _ 7  _ _ _
+_ 5 _  6 _ _  _ _ _
+
+_ 2 _  _ 6 _  _ 3 _
+_ _ _  _ _ 2  _ 9 _
+_ _ 6  _ _ _  _ _ 2
+
+_ 7 5  _ 4 9  _ _ 3
+6 _ 9  _ 5 _  7 _ _
+4 _ _  _ _ _  5 _ _
+
+SOLUTION:
+7 9 1  3 2 5  4 8 6
+3 6 4  1 8 7  9 2 5
+2 5 8  6 9 4  3 7 1
+
+5 2 7  9 6 8  1 3 4
+8 4 3  5 1 2  6 9 7
+9 1 6  4 7 3  8 5 2
+
+1 7 5  8 4 9  2 6 3
+6 3 9  2 5 1  7 4 8
+4 8 2  7 3 6  5 1 9
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,2,null,null,null,3,0,null,1,null,null,null,null,null,5,null,null,null,null,null,6,null,null,null,null,6,0,null,null,2,3,null,6,null,2,null,5,null,null,null,null,null,null,null,7,null,0,null,null,null,null,8,null,null,1,5,null,0,4,0,null,null,null,null,null,8,null,null,null,null,null,null,8,4,null,null],"solution":[1,8,6,4,3,7,2,0,5,2,3,0,5,1,6,7,4,8,7,5,4,8,2,0,3,6,1,5,1,7,6,0,4,8,2,3,0,6,3,2,8,5,1,7,4,8,4,2,1,7,3,0,5,6,6,2,8,7,4,1,5,3,0,4,0,1,3,5,2,6,8,7,3,7,5,0,6,8,4,1,2]}
+PUZZLE:
+_ _ _  _ _ _  3 _ _
+_ 4 1  _ 2 _  _ _ _
+_ 6 _  _ _ _  _ 7 _
+
+_ _ _  7 1 _  _ 3 4
+_ 7 _  3 _ 6  _ _ _
+_ _ _  _ 8 _  1 _ _
+
+_ _ 9  _ _ 2  6 _ 1
+5 1 _  _ _ _  _ 9 _
+_ _ _  _ _ 9  5 _ _
+
+SOLUTION:
+2 9 7  5 4 8  3 1 6
+3 4 1  6 2 7  8 5 9
+8 6 5  9 3 1  4 7 2
+
+6 2 8  7 1 5  9 3 4
+1 7 4  3 9 6  2 8 5
+9 5 3  2 8 4  1 6 7
+
+7 3 9  8 5 2  6 4 1
+5 1 2  4 6 3  7 9 8
+4 8 6  1 7 9  5 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,8,null,null,null,2,null,8,0,null,null,2,4,7,null,null,5,null,null,1,null,null,4,null,8,null,null,null,5,null,null,null,null,null,null,null,null,null,4,null,null,6,null,2,null,null,null,null,null,null,null,1,null,null,null,null,null,0,null,5,null,null,null,3,null,6,null,null,null,null,1,null,0,7,null,null,null,3,null],"solution":[4,1,7,8,0,5,3,2,6,8,0,6,3,2,4,7,1,5,5,3,2,1,7,6,4,0,8,0,6,4,5,1,2,8,7,3,3,8,1,0,4,7,5,6,2,2,7,5,6,8,3,0,4,1,6,4,8,2,3,0,1,5,7,7,5,3,4,6,1,2,8,0,1,2,0,7,5,8,6,3,4]}
+PUZZLE:
+_ 2 _  9 _ _  _ 3 _
+9 1 _  _ 3 5  8 _ _
+6 _ _  2 _ _  5 _ 9
+
+_ _ _  6 _ _  _ _ _
+_ _ _  _ 5 _  _ 7 _
+3 _ _  _ _ _  _ _ 2
+
+_ _ _  _ _ 1  _ 6 _
+_ _ 4  _ 7 _  _ _ _
+2 _ 1  8 _ _  _ 4 _
+
+SOLUTION:
+5 2 8  9 1 6  4 3 7
+9 1 7  4 3 5  8 2 6
+6 4 3  2 8 7  5 1 9
+
+1 7 5  6 2 3  9 8 4
+4 9 2  1 5 8  6 7 3
+3 8 6  7 9 4  1 5 2
+
+7 5 9  3 4 1  2 6 8
+8 6 4  5 7 2  3 9 1
+2 3 1  8 6 9  7 4 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[8,null,null,null,null,null,1,null,null,0,3,null,8,null,null,null,null,6,1,null,null,3,0,null,5,null,null,null,null,null,null,null,4,null,null,null,4,null,null,null,8,0,null,null,null,null,null,null,null,null,null,6,null,2,5,null,8,null,1,null,7,null,null,null,null,null,null,3,null,null,null,null,null,null,6,null,null,null,null,8,null],"solution":[8,7,2,4,6,5,1,0,3,0,3,5,8,7,1,4,2,6,1,6,4,3,0,2,5,7,8,6,5,3,7,2,4,8,1,0,4,2,1,6,8,0,3,5,7,7,8,0,1,5,3,6,4,2,5,0,8,2,1,6,7,3,4,2,4,7,5,3,8,0,6,1,3,1,6,0,4,7,2,8,5]}
+PUZZLE:
+9 _ _  _ _ _  2 _ _
+1 4 _  9 _ _  _ _ 7
+2 _ _  4 1 _  6 _ _
+
+_ _ _  _ _ 5  _ _ _
+5 _ _  _ 9 1  _ _ _
+_ _ _  _ _ _  7 _ 3
+
+6 _ 9  _ 2 _  8 _ _
+_ _ _  _ 4 _  _ _ _
+_ _ 7  _ _ _  _ 9 _
+
+SOLUTION:
+9 8 3  5 7 6  2 1 4
+1 4 6  9 8 2  5 3 7
+2 7 5  4 1 3  6 8 9
+
+7 6 4  8 3 5  9 2 1
+5 3 2  7 9 1  4 6 8
+8 9 1  2 6 4  7 5 3
+
+6 1 9  3 2 7  8 4 5
+3 5 8  6 4 9  1 7 2
+4 2 7  1 5 8  3 9 6
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,8,2,7,null,null,null,null,null,null,null,null,null,null,null,8,0,6,null,null,null,1,null,null,null,null,5,null,4,null,null,null,null,null,null,7,null,null,null,4,null,null,2,null,null,null,null,1,null,null,null,0,8,null,null,null,null,null,8,2,7,5,null,null,null,null,null,null,null,null,null,3,null,null,null,6,null,null,null,1],"solution":[0,3,8,2,7,6,1,5,4,1,7,2,5,3,4,6,8,0,6,4,5,8,1,0,7,3,2,5,0,4,6,8,2,3,1,7,7,8,1,0,4,3,5,2,6,2,6,3,1,5,7,4,0,8,4,1,6,3,0,8,2,7,5,8,5,7,4,2,1,0,6,3,3,2,0,7,6,5,8,4,1]}
+PUZZLE:
+_ _ 9  3 8 _  _ _ _
+_ _ _  _ _ _  _ 9 1
+7 _ _  _ 2 _  _ _ _
+
+6 _ 5  _ _ _  _ _ _
+8 _ _  _ 5 _  _ 3 _
+_ _ _  2 _ _  _ 1 9
+
+_ _ _  _ _ 9  3 8 6
+_ _ _  _ _ _  _ _ _
+4 _ _  _ 7 _  _ _ 2
+
+SOLUTION:
+1 4 9  3 8 7  2 6 5
+2 8 3  6 4 5  7 9 1
+7 5 6  9 2 1  8 4 3
+
+6 1 5  7 9 3  4 2 8
+8 9 2  1 5 4  6 3 7
+3 7 4  2 6 8  5 1 9
+
+5 2 7  4 1 9  3 8 6
+9 6 8  5 3 2  1 7 4
+4 3 1  8 7 6  9 5 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,8,null,2,null,null,null,null,null,6,null,0,null,null,4,null,null,null,0,null,null,null,null,null,null,5,null,null,null,1,null,null,7,2,null,null,null,3,5,null,6,null,null,4,null,null,null,null,null,4,null,null,1,null,null,null,null,null,null,null,7,2,null,5,null,null,null,null,3,null,null,null,2,7,null,null,null,8,null,6],"solution":[4,3,8,6,2,5,1,0,7,5,6,2,0,1,7,4,3,8,7,0,1,8,4,3,2,6,5,6,4,5,1,0,8,7,2,3,2,1,3,5,7,6,0,8,4,8,7,0,2,3,4,6,5,1,0,8,4,3,6,1,5,7,2,1,5,6,7,8,2,3,4,0,3,2,7,4,5,0,8,1,6]}
+PUZZLE:
+_ _ 9  _ 3 _  _ _ _
+_ 7 _  1 _ _  5 _ _
+_ 1 _  _ _ _  _ _ 6
+
+_ _ _  2 _ _  8 3 _
+_ _ 4  6 _ 7  _ _ 5
+_ _ _  _ _ 5  _ _ 2
+
+_ _ _  _ _ _  _ 8 3
+_ 6 _  _ _ _  4 _ _
+_ 3 8  _ _ _  9 _ 7
+
+SOLUTION:
+5 4 9  7 3 6  2 1 8
+6 7 3  1 2 8  5 4 9
+8 1 2  9 5 4  3 7 6
+
+7 5 6  2 1 9  8 3 4
+3 2 4  6 8 7  1 9 5
+9 8 1  3 4 5  7 6 2
+
+1 9 5  4 7 2  6 8 3
+2 6 7  8 9 3  4 5 1
+4 3 8  5 6 1  9 2 7
+
+RATING: 1.75
+DATA:
+{"puzzle":[4,null,null,6,null,null,null,2,null,null,null,null,null,null,7,3,null,0,null,null,3,null,null,null,4,null,null,7,null,null,null,3,null,0,null,null,0,null,null,4,null,2,null,null,null,null,null,6,null,null,null,null,5,null,5,4,null,null,6,null,null,null,2,6,8,null,null,null,null,null,1,null,null,null,null,null,null,8,null,null,null],"solution":[4,7,0,6,8,3,1,2,5,8,1,5,2,4,7,3,6,0,2,6,3,1,0,5,4,7,8,7,2,4,5,3,6,0,8,1,0,5,8,4,1,2,6,3,7,1,3,6,8,7,0,2,5,4,5,4,7,3,6,1,8,0,2,6,8,2,0,5,4,7,1,3,3,0,1,7,2,8,5,4,6]}
+PUZZLE:
+5 _ _  7 _ _  _ 3 _
+_ _ _  _ _ 8  4 _ 1
+_ _ 4  _ _ _  5 _ _
+
+8 _ _  _ 4 _  1 _ _
+1 _ _  5 _ 3  _ _ _
+_ _ 7  _ _ _  _ 6 _
+
+6 5 _  _ 7 _  _ _ 3
+7 9 _  _ _ _  _ 2 _
+_ _ _  _ _ 9  _ _ _
+
+SOLUTION:
+5 8 1  7 9 4  2 3 6
+9 2 6  3 5 8  4 7 1
+3 7 4  2 1 6  5 8 9
+
+8 3 5  6 4 7  1 9 2
+1 6 9  5 2 3  7 4 8
+2 4 7  9 8 1  3 6 5
+
+6 5 8  4 7 2  9 1 3
+7 9 3  1 6 5  8 2 4
+4 1 2  8 3 9  6 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,8,3,null,null,null,6,null,7,3,null,8,1,null,null,null,null,5,null,6,null,null,0,0,null,8,null,7,null,null,6,null,3,null,null,null,null,null,null,null,1,null,2,1,null,8,null,null,null,null,8,null,null,1,4,null,null,null,2,null,1,null,null,null,null,null,4,null,null,3,null,null,null,null,null,null,5],"solution":[1,0,7,4,2,8,3,5,6,2,6,5,7,3,0,8,1,4,4,8,3,5,1,6,7,2,0,0,4,8,2,7,1,5,6,3,3,7,6,0,5,4,2,8,1,5,2,1,6,8,3,4,0,7,8,5,0,1,4,7,6,3,2,7,1,2,3,6,5,0,4,8,6,3,4,8,0,2,1,7,5]}
+PUZZLE:
+_ _ _  _ _ 9  4 _ _
+_ 7 _  8 4 _  9 2 _
+_ _ _  6 _ 7  _ _ 1
+
+1 _ 9  _ 8 _  _ 7 _
+4 _ _  _ _ _  _ _ 2
+_ 3 2  _ 9 _  _ _ _
+
+9 _ _  2 5 _  _ _ 3
+_ 2 _  _ _ _  _ 5 _
+_ 4 _  _ _ _  _ _ 6
+
+SOLUTION:
+2 1 8  5 3 9  4 6 7
+3 7 6  8 4 1  9 2 5
+5 9 4  6 2 7  8 3 1
+
+1 5 9  3 8 2  6 7 4
+4 8 7  1 6 5  3 9 2
+6 3 2  7 9 4  5 1 8
+
+9 6 1  2 5 8  7 4 3
+8 2 3  4 7 6  1 5 9
+7 4 5  9 1 3  2 8 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,6,null,3,7,null,null,null,null,null,null,0,null,6,null,null,2,null,null,null,null,null,8,1,null,5,null,null,null,null,null,null,null,null,null,7,null,4,null,null,3,null,4,null,null,0,null,null,1,null,null,null,0,null,null,1,8,2,null,null,null,7,6,null,null,null,null,null,null,null,null,8,3,null,5,null,null,null],"solution":[8,4,0,5,6,1,3,7,2,7,3,1,8,2,0,4,6,5,6,2,5,7,3,4,0,8,1,0,5,2,1,8,3,7,4,6,1,8,7,2,4,6,5,3,0,4,6,3,0,5,7,1,2,8,3,0,4,6,1,8,2,5,7,5,7,6,4,0,2,8,1,3,2,1,8,3,7,5,6,0,4]}
+PUZZLE:
+_ _ _  _ 7 _  4 8 _
+_ _ _  _ _ 1  _ 7 _
+_ 3 _  _ _ _  _ 9 2
+
+_ 6 _  _ _ _  _ _ _
+_ _ 8  _ 5 _  _ 4 _
+5 _ _  1 _ _  2 _ _
+
+_ 1 _  _ 2 9  3 _ _
+_ 8 7  _ _ _  _ _ _
+_ _ 9  4 _ 6  _ _ _
+
+SOLUTION:
+9 5 1  6 7 2  4 8 3
+8 4 2  9 3 1  5 7 6
+7 3 6  8 4 5  1 9 2
+
+1 6 3  2 9 4  8 5 7
+2 9 8  3 5 7  6 4 1
+5 7 4  1 6 8  2 3 9
+
+4 1 5  7 2 9  3 6 8
+6 8 7  5 1 3  9 2 4
+3 2 9  4 8 6  7 1 5
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,0,null,null,null,6,null,3,null,null,2,null,null,null,7,8,null,null,5,null,null,null,0,null,null,null,null,null,7,null,null,null,null,null,null,4,null,8,null,null,3,null,null,null,null,3,null,null,2,null,0,1,0,2,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,5,null,null,3],"solution":[2,1,7,0,8,3,5,6,4,3,0,4,2,5,6,1,7,8,8,6,5,4,7,1,0,3,2,1,5,0,7,3,4,2,8,6,6,4,2,8,1,0,3,5,7,7,8,3,5,6,2,4,0,1,0,2,6,3,4,7,8,1,5,5,3,1,6,2,8,7,4,0,4,7,8,1,0,5,6,2,3]}
+PUZZLE:
+_ _ _  1 _ _  _ 7 _
+4 _ _  3 _ _  _ 8 9
+_ _ 6  _ _ _  1 _ _
+
+_ _ _  8 _ _  _ _ _
+_ 5 _  9 _ _  4 _ _
+_ _ 4  _ _ 3  _ 1 2
+
+1 3 _  _ _ _  9 _ _
+_ _ _  _ _ _  _ _ _
+_ 8 _  _ _ 6  _ _ 4
+
+SOLUTION:
+3 2 8  1 9 4  6 7 5
+4 1 5  3 6 7  2 8 9
+9 7 6  5 8 2  1 4 3
+
+2 6 1  8 4 5  3 9 7
+7 5 3  9 2 1  4 6 8
+8 9 4  6 7 3  5 1 2
+
+1 3 7  4 5 8  9 2 6
+6 4 2  7 3 9  8 5 1
+5 8 9  2 1 6  7 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,null,null,null,null,2,7,5,null,null,3,null,null,null,null,null,null,null,null,2,5,null,null,null,0,8,null,null,null,6,null,4,null,null,null,null,6,5,null,null,null,null,8,null,null,4,null,1,7,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,7,1,null,1,null,8,null,null,2,null,4,null],"solution":[3,0,1,6,4,8,5,2,7,5,8,2,3,7,0,1,6,4,6,4,7,2,5,1,8,3,0,8,2,5,0,6,3,4,7,1,7,1,6,5,2,4,3,0,8,0,3,4,8,1,7,6,5,2,4,7,3,1,0,6,2,8,5,2,6,0,4,8,5,7,1,3,1,5,8,7,3,2,0,4,6]}
+PUZZLE:
+_ 1 _  _ _ _  _ 3 8
+6 _ _  4 _ _  _ _ _
+_ _ _  3 6 _  _ _ 1
+
+9 _ _  _ 7 _  5 _ _
+_ _ 7  6 _ _  _ _ 9
+_ _ 5  _ 2 8  _ _ _
+
+_ _ _  _ _ 7  _ _ _
+_ _ _  _ _ _  8 2 _
+2 _ 9  _ _ 3  _ 5 _
+
+SOLUTION:
+4 1 2  7 5 9  6 3 8
+6 9 3  4 8 1  2 7 5
+7 5 8  3 6 2  9 4 1
+
+9 3 6  1 7 4  5 8 2
+8 2 7  6 3 5  4 1 9
+1 4 5  9 2 8  7 6 3
+
+5 8 4  2 1 7  3 9 6
+3 7 1  5 9 6  8 2 4
+2 6 9  8 4 3  1 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,5,null,7,null,null,null,null,null,6,null,1,null,null,5,null,3,8,null,null,4,2,null,null,null,null,3,null,null,3,8,null,null,0,null,null,null,6,5,null,null,0,4,null,null,null,0,null,null,null,7,null,4,null,1,null,null,null,null,null,null,8,null,3,null,null,null,null,null,7,null,6],"solution":[2,3,0,6,1,8,5,7,4,4,5,8,7,2,3,6,1,0,6,7,1,4,0,5,2,3,8,0,1,4,2,7,6,8,5,3,7,2,3,8,5,4,0,6,1,8,6,5,1,3,0,4,2,7,5,0,6,3,8,7,1,4,2,1,4,7,0,6,2,3,8,5,3,8,2,5,4,1,7,0,6]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+_ 6 _  8 _ _  _ _ _
+7 _ 2  _ _ 6  _ 4 9
+
+_ _ 5  3 _ _  _ _ 4
+_ _ 4  9 _ _  1 _ _
+_ 7 6  _ _ 1  5 _ _
+
+_ 1 _  _ _ 8  _ 5 _
+2 _ _  _ _ _  _ 9 _
+4 _ _  _ _ _  8 _ 7
+
+SOLUTION:
+3 4 1  7 2 9  6 8 5
+5 6 9  8 3 4  7 2 1
+7 8 2  5 1 6  3 4 9
+
+1 2 5  3 8 7  9 6 4
+8 3 4  9 6 5  1 7 2
+9 7 6  2 4 1  5 3 8
+
+6 1 7  4 9 8  2 5 3
+2 5 8  1 7 3  4 9 6
+4 9 3  6 5 2  8 1 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,0,null,null,5,null,6,null,null,null,null,null,null,null,null,4,8,null,null,null,7,null,3,null,null,null,null,null,5,4,null,null,null,0,null,8,7,2,null,5,null,null,null,null,null,null,null,0,1,null,null,null,null,null,null,8,null,null,7,2,null,0,null,null,7,null,6,null,null,null,null,null,null,null,null,8,null,null,5,2,null],"solution":[2,0,8,4,5,1,6,7,3,5,1,3,2,6,7,4,8,0,6,4,7,0,3,8,2,1,5,1,5,4,7,2,3,0,6,8,7,2,6,5,8,0,3,4,1,8,3,0,1,4,6,7,5,2,4,8,5,3,7,2,1,0,6,0,7,2,6,1,5,8,3,4,3,6,1,8,0,4,5,2,7]}
+PUZZLE:
+_ 1 _  _ 6 _  7 _ _
+_ _ _  _ _ _  5 9 _
+_ _ 8  _ 4 _  _ _ _
+
+_ 6 5  _ _ _  1 _ 9
+8 3 _  6 _ _  _ _ _
+_ _ 1  2 _ _  _ _ _
+
+_ 9 _  _ 8 3  _ 1 _
+_ 8 _  7 _ _  _ _ _
+_ _ _  9 _ _  6 3 _
+
+SOLUTION:
+3 1 9  5 6 2  7 8 4
+6 2 4  3 7 8  5 9 1
+7 5 8  1 4 9  3 2 6
+
+2 6 5  8 3 4  1 7 9
+8 3 7  6 9 1  4 5 2
+9 4 1  2 5 7  8 6 3
+
+5 9 6  4 8 3  2 1 7
+1 8 3  7 2 6  9 4 5
+4 7 2  9 1 5  6 3 8
+
+RATING: 4
+DATA:
+{"puzzle":[null,0,3,7,null,null,null,null,4,8,null,null,null,null,null,null,null,null,null,6,2,null,null,null,null,0,null,2,null,7,null,1,null,null,null,null,null,null,null,8,null,null,4,null,6,5,null,null,null,7,null,null,2,null,null,null,null,null,null,3,null,null,8,6,null,null,null,null,1,null,null,3,null,null,null,null,5,null,0,null,null],"solution":[1,0,3,7,6,2,5,8,4,8,5,4,1,3,0,2,6,7,7,6,2,5,4,8,3,0,1,2,4,7,0,1,6,8,3,5,0,3,1,8,2,5,4,7,6,5,8,6,3,7,4,1,2,0,4,7,5,2,0,3,6,1,8,6,2,0,4,8,1,7,5,3,3,1,8,6,5,7,0,4,2]}
+PUZZLE:
+_ 1 4  8 _ _  _ _ 5
+9 _ _  _ _ _  _ _ _
+_ 7 3  _ _ _  _ 1 _
+
+3 _ 8  _ 2 _  _ _ _
+_ _ _  9 _ _  5 _ 7
+6 _ _  _ 8 _  _ 3 _
+
+_ _ _  _ _ 4  _ _ 9
+7 _ _  _ _ 2  _ _ 4
+_ _ _  _ 6 _  1 _ _
+
+SOLUTION:
+2 1 4  8 7 3  6 9 5
+9 6 5  2 4 1  3 7 8
+8 7 3  6 5 9  4 1 2
+
+3 5 8  1 2 7  9 4 6
+1 4 2  9 3 6  5 8 7
+6 9 7  4 8 5  2 3 1
+
+5 8 6  3 1 4  7 2 9
+7 3 1  5 9 2  8 6 4
+4 2 9  7 6 8  1 5 3
+
+RATING: 2.5
+DATA:
+{"puzzle":[8,null,null,7,null,null,null,null,4,null,null,4,null,1,null,null,null,8,null,1,3,null,null,2,null,7,null,0,null,null,null,null,3,null,null,5,null,null,null,null,2,null,null,null,null,null,4,null,null,null,null,0,null,1,null,null,null,null,null,null,1,null,3,null,null,null,null,3,null,null,4,null,null,6,null,null,null,1,null,8,null],"solution":[8,2,0,7,5,6,3,1,4,6,7,4,3,1,0,2,5,8,5,1,3,8,4,2,6,7,0,0,8,6,1,7,3,4,2,5,1,3,5,0,2,4,8,6,7,7,4,2,6,8,5,0,3,1,4,5,8,2,6,7,1,0,3,2,0,1,5,3,8,7,4,6,3,6,7,4,0,1,5,8,2]}
+PUZZLE:
+9 _ _  8 _ _  _ _ 5
+_ _ 5  _ 2 _  _ _ 9
+_ 2 4  _ _ 3  _ 8 _
+
+1 _ _  _ _ 4  _ _ 6
+_ _ _  _ 3 _  _ _ _
+_ 5 _  _ _ _  1 _ 2
+
+_ _ _  _ _ _  2 _ 4
+_ _ _  _ 4 _  _ 5 _
+_ 7 _  _ _ 2  _ 9 _
+
+SOLUTION:
+9 3 1  8 6 7  4 2 5
+7 8 5  4 2 1  3 6 9
+6 2 4  9 5 3  7 8 1
+
+1 9 7  2 8 4  5 3 6
+2 4 6  1 3 5  9 7 8
+8 5 3  7 9 6  1 4 2
+
+5 6 9  3 7 8  2 1 4
+3 1 2  6 4 9  8 5 7
+4 7 8  5 1 2  6 9 3
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,null,4,6,null,null,null,null,null,8,null,1,null,null,null,null,null,null,6,null,null,7,null,2,4,4,2,0,null,null,null,null,null,8,1,3,null,null,null,null,null,null,5,null,null,null,7,null,null,0,null,null,null,null,null,null,null,null,null,5,1,3,null,null,0,null,null,2,null,null,null,null,null,null,null,null,null,8,null],"solution":[2,1,3,5,4,6,8,0,7,7,4,8,2,1,0,5,6,3,0,5,6,3,8,7,1,2,4,4,2,0,1,6,5,7,3,8,1,3,7,8,0,2,6,4,5,8,6,5,7,3,4,0,1,2,6,0,2,4,7,8,3,5,1,3,8,4,0,5,1,2,7,6,5,7,1,6,2,3,4,8,0]}
+PUZZLE:
+_ _ _  _ 5 7  _ _ _
+_ _ 9  _ 2 _  _ _ _
+_ _ 7  _ _ 8  _ 3 5
+
+5 3 1  _ _ _  _ _ 9
+2 4 _  _ _ _  _ _ 6
+_ _ _  8 _ _  1 _ _
+
+_ _ _  _ _ _  _ 6 2
+4 _ _  1 _ _  3 _ _
+_ _ _  _ _ _  _ 9 _
+
+SOLUTION:
+3 2 4  6 5 7  9 1 8
+8 5 9  3 2 1  6 7 4
+1 6 7  4 9 8  2 3 5
+
+5 3 1  2 7 6  8 4 9
+2 4 8  9 1 3  7 5 6
+9 7 6  8 4 5  1 2 3
+
+7 1 3  5 8 9  4 6 2
+4 9 5  1 6 2  3 8 7
+6 8 2  7 3 4  5 9 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,4,6,null,null,null,null,3,2,null,null,null,1,null,4,null,null,null,null,null,null,null,null,null,null,7,8,null,null,null,null,4,null,7,null,null,1,null,null,6,null,null,2,null,4,0,7,8,null,null,null,1,null,null,null,6,null,null,5,null,null,8,null,4,null,null,null,null,null,null,null,7,null,null,null,3,null,null,null,2],"solution":[5,7,4,6,0,2,1,8,3,2,8,0,3,1,7,4,6,5,6,3,1,5,4,8,2,0,7,8,6,2,1,5,4,3,7,0,3,1,5,7,6,0,8,2,4,4,0,7,8,2,3,5,1,6,1,2,6,4,7,5,0,3,8,0,4,3,2,8,6,7,5,1,7,5,8,0,3,1,6,4,2]}
+PUZZLE:
+_ _ 5  7 _ _  _ _ 4
+3 _ _  _ 2 _  5 _ _
+_ _ _  _ _ _  _ _ 8
+
+9 _ _  _ _ 5  _ 8 _
+_ 2 _  _ 7 _  _ 3 _
+5 1 8  9 _ _  _ 2 _
+
+_ _ 7  _ _ 6  _ _ 9
+_ 5 _  _ _ _  _ _ _
+8 _ _  _ 4 _  _ _ 3
+
+SOLUTION:
+6 8 5  7 1 3  2 9 4
+3 9 1  4 2 8  5 7 6
+7 4 2  6 5 9  3 1 8
+
+9 7 3  2 6 5  4 8 1
+4 2 6  8 7 1  9 3 5
+5 1 8  9 3 4  6 2 7
+
+2 3 7  5 8 6  1 4 9
+1 5 4  3 9 7  8 6 2
+8 6 9  1 4 2  7 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,7,null,6,5,null,null,null,null,null,1,null,8,null,3,null,2,null,null,null,null,null,null,null,4,7,null,1,null,null,null,null,4,null,null,null,null,null,3,null,2,null,null,6,5,null,null,null,0,7,null,null,null,null,null,null,null,null,6,null,null,8,null,null,6,null,null,null,null,1,null,null,4,null,null,1,0,null,null,null],"solution":[4,3,7,2,6,5,8,0,1,0,5,1,7,8,4,3,6,2,6,2,8,0,3,1,5,4,7,3,1,2,6,5,8,4,7,0,8,7,0,3,4,2,1,5,6,5,6,4,1,0,7,2,8,3,1,0,5,4,2,6,7,3,8,2,8,6,5,7,3,0,1,4,7,4,3,8,1,0,6,2,5]}
+PUZZLE:
+_ _ 8  _ 7 6  _ _ _
+_ _ 2  _ 9 _  4 _ 3
+_ _ _  _ _ _  _ 5 8
+
+_ 2 _  _ _ _  5 _ _
+_ _ _  4 _ 3  _ _ 7
+6 _ _  _ 1 8  _ _ _
+
+_ _ _  _ _ 7  _ _ 9
+_ _ 7  _ _ _  _ 2 _
+_ 5 _  _ 2 1  _ _ _
+
+SOLUTION:
+5 4 8  3 7 6  9 1 2
+1 6 2  8 9 5  4 7 3
+7 3 9  1 4 2  6 5 8
+
+4 2 3  7 6 9  5 8 1
+9 8 1  4 5 3  2 6 7
+6 7 5  2 1 8  3 9 4
+
+2 1 6  5 3 7  8 4 9
+3 9 7  6 8 4  1 2 5
+8 5 4  9 2 1  7 3 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,6,null,null,null,null,5,null,null,3,null,null,null,null,null,null,null,null,null,null,5,0,null,1,null,null,7,null,null,null,null,null,6,null,3,null,null,4,null,3,0,null,null,1,1,null,null,null,7,null,null,null,5,4,7,null,null,null,null,null,null,null,null,null,0,null,null,2,7,null,6,null,null,5,8,null,null,null,null,null],"solution":[0,4,6,3,8,1,2,5,7,5,3,1,7,2,4,0,6,8,8,2,7,5,0,6,1,3,4,7,8,2,1,4,5,6,0,3,6,5,4,2,3,0,8,7,1,1,0,3,6,7,8,4,2,5,4,7,8,0,6,3,5,1,2,3,1,0,4,5,2,7,8,6,2,6,5,8,1,7,3,4,0]}
+PUZZLE:
+_ _ 7  _ _ _  _ 6 _
+_ 4 _  _ _ _  _ _ _
+_ _ _  6 1 _  2 _ _
+
+8 _ _  _ _ _  7 _ 4
+_ _ 5  _ 4 1  _ _ 2
+2 _ _  _ 8 _  _ _ 6
+
+5 8 _  _ _ _  _ _ _
+_ _ 1  _ _ 3  8 _ 7
+_ _ 6  9 _ _  _ _ _
+
+SOLUTION:
+1 5 7  4 9 2  3 6 8
+6 4 2  8 3 5  1 7 9
+9 3 8  6 1 7  2 4 5
+
+8 9 3  2 5 6  7 1 4
+7 6 5  3 4 1  9 8 2
+2 1 4  7 8 9  5 3 6
+
+5 8 9  1 7 4  6 2 3
+4 2 1  5 6 3  8 9 7
+3 7 6  9 2 8  4 5 1
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,0,4,null,6,null,8,null,null,null,1,null,null,null,5,7,2,null,null,null,null,5,0,null,null,null,null,3,4,null,null,null,3,null,null,null,6,2,null,7,1,null,null,null,null,null,null,null,null,null,null,null,4,null,null,5,null,null,2,null,null,null,null,7,null,null,1,null,0,null,8,null,null],"solution":[7,5,2,4,1,0,3,6,8,0,4,3,6,2,8,5,7,1,1,8,6,3,5,7,2,0,4,8,6,5,0,7,2,1,4,3,4,1,0,8,3,5,7,2,6,2,3,7,1,4,6,0,8,5,3,2,8,7,6,1,4,5,0,5,0,4,2,8,3,6,1,7,6,7,1,5,0,4,8,3,2]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+1 5 _  7 _ 9  _ _ _
+2 _ _  _ 6 8  3 _ _
+
+_ _ 6  1 _ _  _ _ 4
+5 _ _  _ 4 _  _ _ 7
+3 _ 8  2 _ _  _ _ _
+
+_ _ _  _ _ _  5 _ _
+6 _ _  3 _ _  _ _ 8
+_ _ 2  _ 1 _  9 _ _
+
+SOLUTION:
+8 6 3  5 2 1  4 7 9
+1 5 4  7 3 9  6 8 2
+2 9 7  4 6 8  3 1 5
+
+9 7 6  1 8 3  2 5 4
+5 2 1  9 4 6  8 3 7
+3 4 8  2 5 7  1 9 6
+
+4 3 9  8 7 2  5 6 1
+6 1 5  3 9 4  7 2 8
+7 8 2  6 1 5  9 4 3
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,0,6,null,null,null,4,5,null,null,1,null,null,null,null,null,null,7,null,4,5,null,null,2,null,null,null,null,6,null,null,1,null,null,null,null,null,2,7,null,null,null,null,0,1,null,null,null,0,4,8,null,2,null,null,3,null,null,null,null,null,null,null,2,null,null,3,null,0,null,null,null,null,null],"solution":[4,7,5,1,2,3,6,8,0,6,8,0,7,4,5,2,3,1,3,1,2,6,0,8,7,5,4,5,4,3,2,1,7,8,0,6,0,6,1,5,8,4,3,7,2,7,2,8,3,6,0,1,4,5,1,0,4,8,7,2,5,6,3,8,5,6,4,3,1,0,2,7,2,3,7,0,5,6,4,1,8]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 1
+7 _ _  _ 5 6  _ _ 2
+_ _ _  _ _ _  8 _ 5
+
+6 _ _  3 _ _  _ _ 7
+_ _ 2  _ _ _  _ _ 3
+8 _ _  _ _ 1  2 _ _
+
+_ 1 5  9 _ 3  _ _ 4
+_ _ _  _ _ _  _ 3 _
+_ 4 _  1 _ _  _ _ _
+
+SOLUTION:
+5 8 6  2 3 4  7 9 1
+7 9 1  8 5 6  3 4 2
+4 2 3  7 1 9  8 6 5
+
+6 5 4  3 2 8  9 1 7
+1 7 2  6 9 5  4 8 3
+8 3 9  4 7 1  2 5 6
+
+2 1 5  9 8 3  6 7 4
+9 6 7  5 4 2  1 3 8
+3 4 8  1 6 7  5 2 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,1,null,8,null,8,null,2,null,null,null,null,null,null,null,null,null,null,5,null,null,null,2,2,5,null,null,7,8,null,null,0,null,6,null,null,4,null,null,2,null,null,null,null,null,null,5,null,null,null,null,null,4,null,null,7,null,null,5,null,3,null,1,6,null,0,null,null,null,null,7,null,null,null,null,3,null],"solution":[3,0,5,4,2,1,6,8,7,8,4,2,7,0,6,3,5,1,1,7,6,8,5,3,4,0,2,2,5,3,6,7,8,1,4,0,7,6,1,3,4,0,5,2,8,4,8,0,2,1,5,7,6,3,6,2,4,0,3,7,8,1,5,5,3,8,1,6,2,0,7,4,0,1,7,5,8,4,2,3,6]}
+PUZZLE:
+_ _ _  _ _ 2  _ 9 _
+9 _ 3  _ _ _  _ _ _
+_ _ _  _ 6 _  _ _ 3
+
+3 6 _  _ 8 9  _ _ 1
+_ 7 _  _ 5 _  _ 3 _
+_ _ _  _ _ 6  _ _ _
+
+_ _ 5  _ _ 8  _ _ 6
+_ 4 _  2 7 _  1 _ _
+_ _ 8  _ _ _  _ 4 _
+
+SOLUTION:
+4 1 6  5 3 2  7 9 8
+9 5 3  8 1 7  4 6 2
+2 8 7  9 6 4  5 1 3
+
+3 6 4  7 8 9  2 5 1
+8 7 2  4 5 1  6 3 9
+5 9 1  3 2 6  8 7 4
+
+7 3 5  1 4 8  9 2 6
+6 4 9  2 7 3  1 8 5
+1 2 8  6 9 5  3 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,5,2,null,null,1,null,null,7,null,null,1,4,5,null,null,8,null,null,null,null,null,null,2,null,null,null,null,6,null,5,7,null,null,4,1,null,7,8,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,6,3,0,null,4,null,7,null,null,null,null,null,null,8,6,null,0],"solution":[4,0,1,6,8,3,7,2,5,6,8,5,2,7,0,1,4,3,7,3,2,1,4,5,0,6,8,3,5,8,4,6,1,2,0,7,0,2,6,3,5,7,8,1,4,1,4,7,8,0,2,3,5,6,2,7,0,5,3,6,4,8,1,8,6,3,0,1,4,5,7,2,5,1,4,7,2,8,6,3,0]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+_ _ 6  3 _ _  2 _ _
+8 _ _  2 5 6  _ _ 9
+
+_ _ _  _ _ _  3 _ _
+_ _ 7  _ 6 8  _ _ 5
+2 _ 8  9 _ _  _ _ _
+
+3 _ _  _ _ _  _ _ _
+_ 7 4  1 _ 5  _ 8 _
+_ _ _  _ _ 9  7 _ 1
+
+SOLUTION:
+5 1 2  7 9 4  8 3 6
+7 9 6  3 8 1  2 5 4
+8 4 3  2 5 6  1 7 9
+
+4 6 9  5 7 2  3 1 8
+1 3 7  4 6 8  9 2 5
+2 5 8  9 1 3  4 6 7
+
+3 8 1  6 4 7  5 9 2
+9 7 4  1 2 5  6 8 3
+6 2 5  8 3 9  7 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,3,null,null,4,null,null,5,0,null,null,null,null,5,null,null,null,5,null,4,null,8,1,null,0,null,null,null,null,6,null,3,2,null,null,null,null,7,8,0,null,null,null,null,3,null,5,null,null,null,null,null,null,null,null,1,null,null,null,null,4,8,null,3,null,7,null,null,null,2,null,null,null,null,null,null,null,null,null,null],"solution":[2,8,3,0,6,4,1,7,5,0,1,6,2,7,5,8,3,4,5,7,4,3,8,1,6,0,2,8,4,0,6,5,3,2,1,7,1,6,7,8,0,2,4,5,3,3,2,5,4,1,7,0,8,6,7,0,1,5,2,6,3,4,8,6,3,8,7,4,0,5,2,1,4,5,2,1,3,8,7,6,0]}
+PUZZLE:
+_ 9 4  _ _ 5  _ _ 6
+1 _ _  _ _ 6  _ _ _
+6 _ 5  _ 9 2  _ 1 _
+
+_ _ _  7 _ 4  3 _ _
+_ _ 8  9 1 _  _ _ _
+4 _ 6  _ _ _  _ _ _
+
+_ _ 2  _ _ _  _ 5 9
+_ 4 _  8 _ _  _ 3 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 9 4  1 7 5  2 8 6
+1 2 7  3 8 6  9 4 5
+6 8 5  4 9 2  7 1 3
+
+9 5 1  7 6 4  3 2 8
+2 7 8  9 1 3  5 6 4
+4 3 6  5 2 8  1 9 7
+
+8 1 2  6 3 7  4 5 9
+7 4 9  8 5 1  6 3 2
+5 6 3  2 4 9  8 7 1
+
+RATING: 2
+DATA:
+{"puzzle":[3,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,8,null,7,null,1,null,null,null,7,null,null,null,null,2,null,4,null,null,null,null,null,0,null,null,1,null,null,null,1,6,null,8,5,null,null,4,null,3,null,null,null,null,null,null,2,1,null,null,7,4,null,3,6,null,null,8,null,6,null,null,null,null],"solution":[3,5,7,0,4,6,1,8,2,1,0,2,3,8,5,7,6,4,6,8,4,7,2,1,3,5,0,7,3,6,1,5,2,0,4,8,8,2,5,4,0,7,6,1,3,0,4,1,6,3,8,5,2,7,4,6,3,8,1,0,2,7,5,2,1,0,5,7,4,8,3,6,5,7,8,2,6,3,4,0,1]}
+PUZZLE:
+4 _ _  _ _ _  _ _ 3
+_ _ _  _ _ _  _ _ _
+_ 9 _  8 _ 2  _ _ _
+
+8 _ _  _ _ 3  _ 5 _
+_ _ _  _ 1 _  _ 2 _
+_ _ 2  7 _ 9  6 _ _
+
+5 _ 4  _ _ _  _ _ _
+3 2 _  _ 8 5  _ 4 7
+_ _ 9  _ 7 _  _ _ _
+
+SOLUTION:
+4 6 8  1 5 7  2 9 3
+2 1 3  4 9 6  8 7 5
+7 9 5  8 3 2  4 6 1
+
+8 4 7  2 6 3  1 5 9
+9 3 6  5 1 8  7 2 4
+1 5 2  7 4 9  6 3 8
+
+5 7 4  9 2 1  3 8 6
+3 2 1  6 8 5  9 4 7
+6 8 9  3 7 4  5 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,null,null,null,null,6,null,null,null,null,null,null,null,null,4,null,5,null,4,6,2,null,null,null,null,7,null,0,null,null,null,8,null,null,null,5,null,null,null,2,null,null,null,null,1,null,null,null,0,null,null,null,6,null,1,null,7,null,6,null,null,null,null,2,3,5,4,null,null,null,1,4,null,null,null,null,null,null,null,null],"solution":[2,7,5,0,8,4,6,1,3,0,8,1,6,7,3,4,2,5,3,4,6,2,5,1,8,0,7,7,0,2,3,6,8,1,5,4,5,6,4,1,2,7,0,3,8,1,3,8,4,0,5,2,7,6,8,1,0,7,3,6,5,4,2,6,2,3,5,4,0,7,8,1,4,5,7,8,1,2,3,6,0]}
+PUZZLE:
+_ 8 _  _ _ _  7 _ _
+_ _ _  _ _ _  5 _ 6
+_ 5 7  3 _ _  _ _ 8
+
+_ 1 _  _ _ 9  _ _ _
+6 _ _  _ 3 _  _ _ _
+2 _ _  _ 1 _  _ _ 7
+
+_ 2 _  8 _ 7  _ _ _
+_ 3 4  6 5 _  _ _ 2
+5 _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 8 6  1 9 5  7 2 4
+1 9 2  7 8 4  5 3 6
+4 5 7  3 6 2  9 1 8
+
+8 1 3  4 7 9  2 6 5
+6 7 5  2 3 8  1 4 9
+2 4 9  5 1 6  3 8 7
+
+9 2 1  8 4 7  6 5 3
+7 3 4  6 5 1  8 9 2
+5 6 8  9 2 3  4 7 1
+
+RATING: 1
+DATA:
+{"puzzle":[7,3,null,1,null,null,null,null,6,null,null,null,null,0,null,3,8,null,6,null,4,null,5,null,1,null,null,null,null,null,8,3,null,null,7,null,4,1,null,6,null,null,null,null,null,null,null,null,null,null,4,null,null,8,8,2,null,7,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,5,null,null,2,null,null,null],"solution":[7,3,0,1,2,8,5,4,6,2,5,1,4,0,6,3,8,7,6,8,4,3,5,7,1,0,2,5,6,2,8,3,0,4,7,1,4,1,8,6,7,5,2,3,0,3,0,7,2,1,4,6,5,8,8,2,6,7,4,3,0,1,5,0,7,3,5,6,1,8,2,4,1,4,5,0,8,2,7,6,3]}
+PUZZLE:
+8 4 _  2 _ _  _ _ 7
+_ _ _  _ 1 _  4 9 _
+7 _ 5  _ 6 _  2 _ _
+
+_ _ _  9 4 _  _ 8 _
+5 2 _  7 _ _  _ _ _
+_ _ _  _ _ 5  _ _ 9
+
+9 3 _  8 _ _  _ _ _
+_ 8 _  _ _ _  _ _ _
+_ _ 6  _ _ 3  _ _ _
+
+SOLUTION:
+8 4 1  2 3 9  6 5 7
+3 6 2  5 1 7  4 9 8
+7 9 5  4 6 8  2 1 3
+
+6 7 3  9 4 1  5 8 2
+5 2 9  7 8 6  3 4 1
+4 1 8  3 2 5  7 6 9
+
+9 3 7  8 5 4  1 2 6
+1 8 4  6 7 2  9 3 5
+2 5 6  1 9 3  8 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,5,null,null,1,null,null,5,3,4,1,null,null,null,null,null,null,null,0,null,7,null,null,null,3,4,0,null,null,null,8,null,null,null,null,null,6,null,null,7,null,2,null,null,8,5,null,null,null,7,null,null,null,4,null,null,null,null,null,1,7,null,null,null,null,null,null,null,0,null,null,null,null,4,null,1,null,null,null],"solution":[8,7,2,5,3,0,1,6,4,5,3,4,1,6,2,0,7,8,1,6,0,8,7,4,2,5,3,4,0,7,2,5,8,6,3,1,3,1,6,0,4,7,8,2,5,2,8,5,3,1,6,7,4,0,0,4,8,6,2,5,3,1,7,6,5,1,7,8,3,4,0,2,7,2,3,4,0,1,5,8,6]}
+PUZZLE:
+9 _ _  6 _ _  2 _ _
+6 4 5  2 _ _  _ _ _
+_ _ 1  _ 8 _  _ _ 4
+
+5 1 _  _ _ 9  _ _ _
+_ _ 7  _ _ 8  _ 3 _
+_ 9 6  _ _ _  8 _ _
+
+_ 5 _  _ _ _  _ 2 8
+_ _ _  _ _ _  _ 1 _
+_ _ _  5 _ 2  _ _ _
+
+SOLUTION:
+9 8 3  6 4 1  2 7 5
+6 4 5  2 7 3  1 8 9
+2 7 1  9 8 5  3 6 4
+
+5 1 8  3 6 9  7 4 2
+4 2 7  1 5 8  9 3 6
+3 9 6  4 2 7  8 5 1
+
+1 5 9  7 3 6  4 2 8
+7 6 2  8 9 4  5 1 3
+8 3 4  5 1 2  6 9 7
+
+RATING: 0
+DATA:
+{"puzzle":[4,1,null,null,null,null,null,5,null,8,null,null,null,null,null,null,6,0,null,3,null,8,null,null,null,null,null,null,6,null,null,null,null,3,7,8,null,null,3,4,null,7,2,null,null,null,null,null,null,null,null,null,4,null,null,2,7,null,null,0,null,null,null,6,null,null,2,null,null,null,null,null,0,null,null,3,null,1,null,null,null],"solution":[4,1,0,7,2,6,8,5,3,8,7,2,1,5,3,4,6,0,5,3,6,8,0,4,7,1,2,2,6,4,0,1,5,3,7,8,1,5,3,4,8,7,2,0,6,7,0,8,6,3,2,5,4,1,3,2,7,5,6,0,1,8,4,6,4,1,2,7,8,0,3,5,0,8,5,3,4,1,6,2,7]}
+PUZZLE:
+5 2 _  _ _ _  _ 6 _
+9 _ _  _ _ _  _ 7 1
+_ 4 _  9 _ _  _ _ _
+
+_ 7 _  _ _ _  4 8 9
+_ _ 4  5 _ 8  3 _ _
+_ _ _  _ _ _  _ 5 _
+
+_ 3 8  _ _ 1  _ _ _
+7 _ _  3 _ _  _ _ _
+1 _ _  4 _ 2  _ _ _
+
+SOLUTION:
+5 2 1  8 3 7  9 6 4
+9 8 3  2 6 4  5 7 1
+6 4 7  9 1 5  8 2 3
+
+3 7 5  1 2 6  4 8 9
+2 6 4  5 9 8  3 1 7
+8 1 9  7 4 3  6 5 2
+
+4 3 8  6 7 1  2 9 5
+7 5 2  3 8 9  1 4 6
+1 9 6  4 5 2  7 3 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,5,null,null,4,1,null,7,null,null,7,3,null,5,null,null,null,null,null,null,null,2,null,null,null,4,null,0,null,null,null,7,null,null,null,2,null,null,8,6,null,5,null,null,7,null,null,null,8,null,null,4,null,null,5,null,null,null,null,null,null,null,null,null,null,6,7,null,null,null,null,0,null,null,null,null,8,2,null,6,null],"solution":[6,5,2,3,4,1,0,7,8,4,7,3,0,5,8,6,2,1,8,1,0,2,6,7,3,4,5,0,6,1,4,7,3,8,5,2,3,4,8,6,2,5,1,0,7,7,2,5,8,1,0,4,3,6,5,3,7,1,0,6,2,8,4,2,8,6,7,3,4,5,1,0,1,0,4,5,8,2,7,6,3]}
+PUZZLE:
+_ 6 _  _ 5 2  _ 8 _
+_ 8 4  _ 6 _  _ _ _
+_ _ _  3 _ _  _ 5 _
+
+1 _ _  _ 8 _  _ _ 3
+_ _ 9  7 _ 6  _ _ 8
+_ _ _  9 _ _  5 _ _
+
+6 _ _  _ _ _  _ _ _
+_ _ 7  8 _ _  _ _ 1
+_ _ _  _ 9 3  _ 7 _
+
+SOLUTION:
+7 6 3  4 5 2  1 8 9
+5 8 4  1 6 9  7 3 2
+9 2 1  3 7 8  4 5 6
+
+1 7 2  5 8 4  9 6 3
+4 5 9  7 3 6  2 1 8
+8 3 6  9 2 1  5 4 7
+
+6 4 8  2 1 7  3 9 5
+3 9 7  8 4 5  6 2 1
+2 1 5  6 9 3  8 7 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,7,null,1,8,5,3,null,6,null,null,null,null,null,null,null,4,null,null,null,7,null,null,null,null,null,null,null,null,1,2,null,6,null,null,null,null,4,null,null,5,null,null,1,null,null,8,null,null,null,null,null,null,null,null,1,null,5,null,3,null,null,null,4,3,null,null,null,null,null,null,null,5,null,null,null,7,8,null,null],"solution":[4,0,7,6,1,8,5,3,2,6,8,2,5,0,3,1,7,4,3,1,5,7,4,2,0,6,8,5,3,0,1,2,4,6,8,7,7,6,4,3,8,5,2,0,1,1,2,8,0,7,6,4,5,3,8,7,1,2,5,0,3,4,6,0,4,3,8,6,1,7,2,5,2,5,6,4,3,7,8,1,0]}
+PUZZLE:
+_ _ 8  _ 2 9  6 4 _
+7 _ _  _ _ _  _ _ 5
+_ _ _  8 _ _  _ _ _
+
+_ _ _  2 3 _  7 _ _
+_ _ 5  _ _ 6  _ _ 2
+_ _ 9  _ _ _  _ _ _
+
+_ _ 2  _ 6 _  4 _ _
+_ 5 4  _ _ _  _ _ _
+_ 6 _  _ _ 8  9 _ _
+
+SOLUTION:
+5 1 8  7 2 9  6 4 3
+7 9 3  6 1 4  2 8 5
+4 2 6  8 5 3  1 7 9
+
+6 4 1  2 3 5  7 9 8
+8 7 5  4 9 6  3 1 2
+2 3 9  1 8 7  5 6 4
+
+9 8 2  3 6 1  4 5 7
+1 5 4  9 7 2  8 3 6
+3 6 7  5 4 8  9 2 1
+
+RATING: 3.25
+DATA:
+{"puzzle":[2,null,null,null,7,null,null,8,null,3,0,5,null,null,4,null,null,null,null,null,7,0,null,null,null,1,5,null,null,null,2,1,null,null,null,8,null,null,null,null,4,null,null,null,null,null,null,null,3,null,6,1,null,null,1,null,null,null,null,5,null,null,null,null,null,null,null,null,null,0,null,2,null,8,null,null,null,null,null,5,null],"solution":[2,6,1,5,7,3,4,8,0,3,0,5,1,8,4,7,2,6,8,4,7,0,6,2,3,1,5,7,3,6,2,1,0,5,4,8,5,1,0,7,4,8,2,6,3,4,2,8,3,5,6,1,0,7,1,7,2,6,0,5,8,3,4,6,5,4,8,3,1,0,7,2,0,8,3,4,2,7,6,5,1]}
+PUZZLE:
+3 _ _  _ 8 _  _ 9 _
+4 1 6  _ _ 5  _ _ _
+_ _ 8  1 _ _  _ 2 6
+
+_ _ _  3 2 _  _ _ 9
+_ _ _  _ 5 _  _ _ _
+_ _ _  4 _ 7  2 _ _
+
+2 _ _  _ _ 6  _ _ _
+_ _ _  _ _ _  1 _ 3
+_ 9 _  _ _ _  _ 6 _
+
+SOLUTION:
+3 7 2  6 8 4  5 9 1
+4 1 6  2 9 5  8 3 7
+9 5 8  1 7 3  4 2 6
+
+8 4 7  3 2 1  6 5 9
+6 2 1  8 5 9  3 7 4
+5 3 9  4 6 7  2 1 8
+
+2 8 3  7 1 6  9 4 5
+7 6 5  9 4 2  1 8 3
+1 9 4  5 3 8  7 6 2
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,6,1,3,null,null,6,null,0,null,null,null,null,null,5,null,3,null,null,null,null,8,null,null,2,null,null,null,null,null,null,6,null,null,null,1,null,null,4,5,null,0,8,null,null,null,5,null,null,null,1,null,null,null,0,null,5,null,7,null,null,7,null,null,null,null,null,8,null,null,null,2,4,null,8,null,null,null],"solution":[5,4,8,2,6,1,3,0,7,6,2,0,3,8,7,4,1,5,1,3,7,5,4,0,8,2,6,2,5,4,1,0,3,7,6,8,7,6,1,8,2,4,5,3,0,8,0,3,7,5,6,2,4,1,4,8,6,0,3,5,1,7,2,3,7,5,6,1,2,0,8,4,0,1,2,4,7,8,6,5,3]}
+PUZZLE:
+_ _ _  _ 7 2  4 _ _
+7 _ 1  _ _ _  _ _ 6
+_ 4 _  _ _ _  9 _ _
+
+3 _ _  _ _ _  _ 7 _
+_ _ 2  _ _ 5  6 _ 1
+9 _ _  _ 6 _  _ _ 2
+
+_ _ _  1 _ 6  _ 8 _
+_ 8 _  _ _ _  _ 9 _
+_ _ 3  5 _ 9  _ _ _
+
+SOLUTION:
+6 5 9  3 7 2  4 1 8
+7 3 1  4 9 8  5 2 6
+2 4 8  6 5 1  9 3 7
+
+3 6 5  2 1 4  8 7 9
+8 7 2  9 3 5  6 4 1
+9 1 4  8 6 7  3 5 2
+
+5 9 7  1 4 6  2 8 3
+4 8 6  7 2 3  1 9 5
+1 2 3  5 8 9  7 6 4
+
+RATING: 0
+DATA:
+{"puzzle":[6,3,null,null,null,7,null,null,5,null,2,1,null,null,null,null,3,null,4,null,8,null,null,null,2,null,null,3,8,null,null,null,2,null,5,null,null,1,null,null,8,null,null,7,null,null,null,null,null,null,null,null,4,6,null,null,null,4,null,null,null,null,8,null,null,null,null,0,null,null,null,null,5,null,null,8,3,null,null,null,null],"solution":[6,3,0,2,4,7,1,8,5,7,2,1,0,5,8,6,3,4,4,5,8,1,6,3,2,0,7,3,8,4,6,7,2,0,5,1,0,1,6,5,8,4,3,7,2,2,7,5,3,1,0,8,4,6,1,0,3,4,2,5,7,6,8,8,4,2,7,0,6,5,1,3,5,6,7,8,3,1,4,2,0]}
+PUZZLE:
+7 4 _  _ _ 8  _ _ 6
+_ 3 2  _ _ _  _ 4 _
+5 _ 9  _ _ _  3 _ _
+
+4 9 _  _ _ 3  _ 6 _
+_ 2 _  _ 9 _  _ 8 _
+_ _ _  _ _ _  _ 5 7
+
+_ _ _  5 _ _  _ _ 9
+_ _ _  _ 1 _  _ _ _
+6 _ _  9 4 _  _ _ _
+
+SOLUTION:
+7 4 1  3 5 8  2 9 6
+8 3 2  1 6 9  7 4 5
+5 6 9  2 7 4  3 1 8
+
+4 9 5  7 8 3  1 6 2
+1 2 7  6 9 5  4 8 3
+3 8 6  4 2 1  9 5 7
+
+2 1 4  5 3 6  8 7 9
+9 5 3  8 1 7  6 2 4
+6 7 8  9 4 2  5 3 1
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,3,0,null,null,null,null,null,8,null,5,null,null,4,null,3,null,null,0,null,null,6,1,null,6,null,4,null,null,null,null,2,null,null,null,null,5,8,null,0,null,6,null,0,null,6,null,4,null,null,null,2,null,null,null,null,null,4,8,null],"solution":[4,3,7,1,6,5,8,0,2,1,6,0,4,2,8,3,7,5,5,8,2,7,3,0,1,6,4,0,1,8,2,5,6,7,4,3,3,2,5,0,4,7,6,1,8,6,7,4,8,1,3,5,2,0,7,4,1,5,8,2,0,3,6,8,0,3,6,7,4,2,5,1,2,5,6,3,0,1,4,8,7]}
+PUZZLE:
+5 _ 8  _ _ _  _ _ _
+_ _ _  _ _ _  _ _ 6
+_ _ _  _ 4 1  _ _ _
+
+_ _ 9  _ 6 _  _ 5 _
+4 _ _  1 _ _  7 2 _
+7 _ 5  _ _ _  _ 3 _
+
+_ _ _  6 9 _  1 _ 7
+_ 1 _  7 _ 5  _ _ _
+3 _ _  _ _ _  5 9 _
+
+SOLUTION:
+5 4 8  2 7 6  9 1 3
+2 7 1  5 3 9  4 8 6
+6 9 3  8 4 1  2 7 5
+
+1 2 9  3 6 7  8 5 4
+4 3 6  1 5 8  7 2 9
+7 8 5  9 2 4  6 3 1
+
+8 5 2  6 9 3  1 4 7
+9 1 4  7 8 5  3 6 2
+3 6 7  4 1 2  5 9 8
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,null,null,null,null,5,null,null,1,3,2,null,null,0,null,null,null,null,null,8,5,3,null,null,null,null,5,null,null,null,null,null,null,4,0,null,6,3,null,8,null,1,null,4,null,null,null,null,null,null,null,null,null,8,null,null,null,7,null,null,3,6,null,5,null,null,null,7,null,null,null,null,null,6,null,null,null,null,0],"solution":[2,4,8,1,7,0,3,5,6,5,1,3,2,6,4,0,7,8,7,6,0,8,5,3,4,2,1,8,5,1,7,0,2,6,3,4,0,7,6,3,4,8,2,1,5,4,3,2,5,1,6,8,0,7,1,8,4,0,2,7,5,6,3,6,0,5,4,3,1,7,8,2,3,2,7,6,8,5,1,4,0]}
+PUZZLE:
+3 _ _  _ _ _  _ 6 _
+_ 2 4  3 _ _  1 _ _
+_ _ _  9 6 4  _ _ _
+
+_ 6 _  _ _ _  _ _ 5
+1 _ 7  4 _ 9  _ 2 _
+5 _ _  _ _ _  _ _ _
+
+_ 9 _  _ _ 8  _ _ 4
+7 _ 6  _ _ _  8 _ _
+_ _ _  7 _ _  _ _ 1
+
+SOLUTION:
+3 5 9  2 8 1  4 6 7
+6 2 4  3 7 5  1 8 9
+8 7 1  9 6 4  5 3 2
+
+9 6 2  8 1 3  7 4 5
+1 8 7  4 5 9  3 2 6
+5 4 3  6 2 7  9 1 8
+
+2 9 5  1 3 8  6 7 4
+7 1 6  5 4 2  8 9 3
+4 3 8  7 9 6  2 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,7,null,null,null,null,null,null,8,null,4,null,null,6,null,null,0,null,6,null,null,1,null,2,4,null,null,4,1,null,7,0,null,5,3,0,null,null,null,4,null,null,null,null,null,null,null,8,0,null,4,null,null,null,null,8,null,null,7,null,null,1,3,null,null,null,null,null,null,null,null,null,null,null,null,null,5,1,null],"solution":[2,4,1,7,6,8,3,5,0,5,8,3,4,0,2,6,7,1,0,7,6,3,5,1,8,2,4,8,2,4,1,3,7,0,6,5,3,0,5,6,2,4,1,8,7,6,1,7,5,8,0,2,4,3,4,5,0,8,1,6,7,3,2,1,3,8,2,7,5,4,0,6,7,6,2,0,4,3,5,1,8]}
+PUZZLE:
+_ 5 _  8 _ _  _ _ _
+_ 9 _  5 _ _  7 _ _
+1 _ 7  _ _ 2  _ 3 5
+
+_ _ 5  2 _ 8  1 _ 6
+4 1 _  _ _ 5  _ _ _
+_ _ _  _ 9 1  _ 5 _
+
+_ _ _  9 _ _  8 _ _
+2 4 _  _ _ _  _ _ _
+_ _ _  _ _ _  6 2 _
+
+SOLUTION:
+3 5 2  8 7 9  4 6 1
+6 9 4  5 1 3  7 8 2
+1 8 7  4 6 2  9 3 5
+
+9 3 5  2 4 8  1 7 6
+4 1 6  7 3 5  2 9 8
+7 2 8  6 9 1  3 5 4
+
+5 6 1  9 2 7  8 4 3
+2 4 9  3 8 6  5 1 7
+8 7 3  1 5 4  6 2 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[7,5,null,null,null,3,null,null,null,null,0,null,null,5,null,null,null,3,null,2,null,0,8,null,null,null,null,null,null,7,null,2,null,null,null,6,null,null,null,null,null,8,7,null,null,null,6,0,5,4,null,null,2,null,null,1,null,null,3,2,null,null,5,3,null,2,8,null,null,null,null,null,null,null,5,4,null,null,null,null,null],"solution":[7,5,6,2,1,3,0,8,4,8,0,1,7,5,4,2,6,3,4,2,3,0,8,6,5,1,7,5,8,7,3,2,0,1,4,6,2,3,4,1,6,8,7,5,0,1,6,0,5,4,7,3,2,8,0,1,8,6,3,2,4,7,5,3,4,2,8,7,5,6,0,1,6,7,5,4,0,1,8,3,2]}
+PUZZLE:
+8 6 _  _ _ 4  _ _ _
+_ 1 _  _ 6 _  _ _ 4
+_ 3 _  1 9 _  _ _ _
+
+_ _ 8  _ 3 _  _ _ 7
+_ _ _  _ _ 9  8 _ _
+_ 7 1  6 5 _  _ 3 _
+
+_ 2 _  _ 4 3  _ _ 6
+4 _ 3  9 _ _  _ _ _
+_ _ 6  5 _ _  _ _ _
+
+SOLUTION:
+8 6 7  3 2 4  1 9 5
+9 1 2  8 6 5  3 7 4
+5 3 4  1 9 7  6 2 8
+
+6 9 8  4 3 1  2 5 7
+3 4 5  2 7 9  8 6 1
+2 7 1  6 5 8  4 3 9
+
+1 2 9  7 4 3  5 8 6
+4 5 3  9 8 6  7 1 2
+7 8 6  5 1 2  9 4 3
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,6,1,null,null,0,null,4,null,0,1,3,null,null,null,null,6,null,null,null,null,null,null,null,null,8,null,3,null,null,null,null,null,null,null,null,null,null,null,6,null,null,5,null,null,1,null,null,null,5,4,null,7,null,null,3,8,null,1,null,0,null,null,2,null,null,null,null,null,null,1,null,null,null,null,2,0,null,7,null],"solution":[7,5,6,1,8,2,0,3,4,8,0,1,3,4,7,5,2,6,3,4,2,5,0,6,7,1,8,5,3,4,7,1,8,2,6,0,2,8,7,0,6,4,1,5,3,6,1,0,2,3,5,4,8,7,4,7,3,8,5,1,6,0,2,0,2,5,6,7,3,8,4,1,1,6,8,4,2,0,3,7,5]}
+PUZZLE:
+_ _ 7  2 _ _  1 _ 5
+_ 1 2  4 _ _  _ _ 7
+_ _ _  _ _ _  _ _ 9
+
+_ 4 _  _ _ _  _ _ _
+_ _ _  _ 7 _  _ 6 _
+_ 2 _  _ _ 6  5 _ 8
+
+_ _ 4  9 _ 2  _ 1 _
+_ 3 _  _ _ _  _ _ 2
+_ _ _  _ 3 1  _ 8 _
+
+SOLUTION:
+8 6 7  2 9 3  1 4 5
+9 1 2  4 5 8  6 3 7
+4 5 3  6 1 7  8 2 9
+
+6 4 5  8 2 9  3 7 1
+3 9 8  1 7 5  2 6 4
+7 2 1  3 4 6  5 9 8
+
+5 8 4  9 6 2  7 1 3
+1 3 6  7 8 4  9 5 2
+2 7 9  5 3 1  4 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,7,null,null,null,null,8,null,6,null,0,5,3,null,null,null,6,5,null,null,7,null,null,null,null,8,3,null,null,null,null,null,null,null,4,null,null,null,null,5,0,null,null,null,null,2,8,null,null,null,null,6,null,2,null,null,null,null,4,null,null,7,null,1,null,null,2,null,null,1,3,null,0,null,null,null,null],"solution":[5,3,0,1,8,7,2,4,6,7,8,2,6,4,0,5,3,1,1,4,6,5,3,2,7,0,8,0,7,8,3,5,4,1,6,2,3,2,4,7,6,1,8,5,0,6,5,1,0,2,8,4,7,3,8,6,5,2,7,3,0,1,4,4,0,7,8,1,6,3,2,5,2,1,3,4,0,5,6,8,7]}
+PUZZLE:
+_ _ _  _ _ 8  _ _ _
+_ 9 _  7 _ 1  6 4 _
+_ _ 7  6 _ _  8 _ _
+
+_ _ 9  4 _ _  _ _ _
+_ _ 5  _ _ _  _ 6 1
+_ _ _  _ 3 9  _ _ _
+
+_ 7 _  3 _ _  _ _ 5
+_ _ 8  _ 2 _  _ 3 _
+_ 2 4  _ 1 _  _ _ _
+
+SOLUTION:
+6 4 1  2 9 8  3 5 7
+8 9 3  7 5 1  6 4 2
+2 5 7  6 4 3  8 1 9
+
+1 8 9  4 6 5  2 7 3
+4 3 5  8 7 2  9 6 1
+7 6 2  1 3 9  5 8 4
+
+9 7 6  3 8 4  1 2 5
+5 1 8  9 2 7  4 3 6
+3 2 4  5 1 6  7 9 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,6,null,null,null,3,null,null,8,null,null,1,null,0,null,null,7,null,null,null,2,null,null,null,null,null,null,null,null,8,null,4,null,null,null,4,3,null,6,0,8,null,null,null,null,null,1,5,null,null,0,null,null,2,0,null,null,5,3,null,null,null,7,null,null,null,null,null,null,null,3,null,4,null,null,null,null,1,null],"solution":[2,0,5,6,4,7,1,3,8,4,8,6,5,1,3,0,7,2,7,3,1,0,2,8,6,5,4,0,1,7,3,8,2,4,6,5,5,4,3,7,6,0,8,2,1,8,6,2,1,5,4,7,0,3,1,2,0,4,7,5,3,8,6,6,7,8,2,3,1,5,4,0,3,5,4,8,0,6,2,1,7]}
+PUZZLE:
+_ _ _  7 _ _  _ 4 _
+_ 9 _  _ 2 _  1 _ _
+8 _ _  _ 3 _  _ _ _
+
+_ _ _  _ 9 _  5 _ _
+_ 5 4  _ 7 1  9 _ _
+_ _ _  2 6 _  _ 1 _
+
+_ 3 1  _ _ 6  4 _ _
+_ 8 _  _ _ _  _ _ _
+4 _ 5  _ _ _  _ 2 _
+
+SOLUTION:
+3 1 6  7 5 8  2 4 9
+5 9 7  6 2 4  1 8 3
+8 4 2  1 3 9  7 6 5
+
+1 2 8  4 9 3  5 7 6
+6 5 4  8 7 1  9 3 2
+9 7 3  2 6 5  8 1 4
+
+2 3 1  5 8 6  4 9 7
+7 8 9  3 4 2  6 5 1
+4 6 5  9 1 7  3 2 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,4,null,7,null,null,null,null,6,null,null,3,null,null,null,0,null,null,null,null,null,null,null,1,null,null,null,6,null,null,2,null,8,null,null,null,null,null,null,4,5,3,null,2,null,2,8,null,null,6,null,null,7,null,null,null,null,null,2,null,null,0,null,1,null,null,6,null,5,8,null,null,null,null,5,null,3,null,null,null],"solution":[0,5,4,2,7,1,6,3,8,6,7,1,3,5,8,2,0,4,2,8,3,6,0,4,1,7,5,3,6,5,0,2,7,8,4,1,1,0,7,8,4,5,3,6,2,4,2,8,1,3,6,0,5,7,5,3,6,7,8,2,4,1,0,7,1,2,4,6,0,5,8,3,8,4,0,5,1,3,7,2,6]}
+PUZZLE:
+_ 6 5  _ 8 _  _ _ _
+7 _ _  4 _ _  _ 1 _
+_ _ _  _ _ _  2 _ _
+
+_ 7 _  _ 3 _  9 _ _
+_ _ _  _ 5 6  4 _ 3
+_ 3 9  _ _ 7  _ _ 8
+
+_ _ _  _ _ 3  _ _ 1
+_ 2 _  _ 7 _  6 9 _
+_ _ _  6 _ 4  _ _ _
+
+SOLUTION:
+1 6 5  3 8 2  7 4 9
+7 8 2  4 6 9  3 1 5
+3 9 4  7 1 5  2 8 6
+
+4 7 6  1 3 8  9 5 2
+2 1 8  9 5 6  4 7 3
+5 3 9  2 4 7  1 6 8
+
+6 4 7  8 9 3  5 2 1
+8 2 3  5 7 1  6 9 4
+9 5 1  6 2 4  8 3 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[3,null,7,null,null,8,null,null,1,null,null,null,null,null,4,null,null,2,null,2,null,7,null,1,null,null,null,null,null,null,null,null,null,null,5,null,1,null,null,null,8,null,null,6,null,0,null,null,null,null,3,8,null,null,null,null,3,0,null,null,null,null,null,5,null,6,null,2,null,null,null,0,8,null,null,3,null,5,null,null,null],"solution":[3,5,7,2,0,8,6,4,1,6,8,1,5,3,4,7,0,2,4,2,0,7,6,1,5,3,8,2,3,8,6,7,0,1,5,4,1,7,5,4,8,2,0,6,3,0,6,4,1,5,3,8,2,7,7,1,3,0,4,6,2,8,5,5,4,6,8,2,7,3,1,0,8,0,2,3,1,5,4,7,6]}
+PUZZLE:
+4 _ 8  _ _ 9  _ _ 2
+_ _ _  _ _ 5  _ _ 3
+_ 3 _  8 _ 2  _ _ _
+
+_ _ _  _ _ _  _ 6 _
+2 _ _  _ 9 _  _ 7 _
+1 _ _  _ _ 4  9 _ _
+
+_ _ 4  1 _ _  _ _ _
+6 _ 7  _ 3 _  _ _ 1
+9 _ _  4 _ 6  _ _ _
+
+SOLUTION:
+4 6 8  3 1 9  7 5 2
+7 9 2  6 4 5  8 1 3
+5 3 1  8 7 2  6 4 9
+
+3 4 9  7 8 1  2 6 5
+2 8 6  5 9 3  1 7 4
+1 7 5  2 6 4  9 3 8
+
+8 2 4  1 5 7  3 9 6
+6 5 7  9 3 8  4 2 1
+9 1 3  4 2 6  5 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,7,null,null,4,8,null,6,null,null,null,null,null,2,null,null,null,null,null,1,null,null,0,null,4,8,null,null,null,null,null,null,3,null,null,7,null,null,null,null,null,null,null,null,5,null,0,7,4,null,null,null,5,null,null,4,null,0,6,null,2,null,null,null,null,8,null,null,1,null,null,null,2,null,null,7,null,null],"solution":[5,3,2,6,7,0,1,4,8,0,6,1,5,8,4,3,2,7,7,4,8,3,1,2,6,0,5,4,8,0,1,5,6,2,7,3,6,1,7,4,2,3,8,5,0,3,2,5,8,0,7,4,1,6,8,5,3,7,4,1,0,6,2,2,7,4,0,6,8,5,3,1,1,0,6,2,3,5,7,8,4]}
+PUZZLE:
+_ _ _  _ 8 _  _ 5 9
+_ 7 _  _ _ _  _ 3 _
+_ _ _  _ 2 _  _ 1 _
+
+5 9 _  _ _ _  _ _ 4
+_ _ 8  _ _ _  _ _ _
+_ _ 6  _ 1 8  5 _ _
+
+_ 6 _  _ 5 _  1 7 _
+3 _ _  _ _ 9  _ _ 2
+_ _ _  3 _ _  8 _ _
+
+SOLUTION:
+6 4 3  7 8 1  2 5 9
+1 7 2  6 9 5  4 3 8
+8 5 9  4 2 3  7 1 6
+
+5 9 1  2 6 7  3 8 4
+7 2 8  5 3 4  9 6 1
+4 3 6  9 1 8  5 2 7
+
+9 6 4  8 5 2  1 7 3
+3 8 5  1 7 9  6 4 2
+2 1 7  3 4 6  8 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[3,0,null,null,null,null,null,null,null,null,null,null,6,null,null,5,null,null,null,null,7,null,3,null,null,6,null,null,null,4,null,0,null,null,null,6,6,null,null,null,null,null,8,null,null,null,7,8,1,null,null,null,null,null,null,null,0,null,null,1,null,2,null,8,null,null,null,null,null,null,null,null,4,5,1,null,7,0,null,null,8],"solution":[3,0,6,5,1,2,7,8,4,1,8,2,6,4,7,5,0,3,5,4,7,0,3,8,2,6,1,2,3,4,8,0,5,1,7,6,6,1,5,7,2,3,8,4,0,0,7,8,1,6,4,3,5,2,7,6,0,3,8,1,4,2,5,8,2,3,4,5,6,0,1,7,4,5,1,2,7,0,6,3,8]}
+PUZZLE:
+4 1 _  _ _ _  _ _ _
+_ _ _  7 _ _  6 _ _
+_ _ 8  _ 4 _  _ 7 _
+
+_ _ 5  _ 1 _  _ _ 7
+7 _ _  _ _ _  9 _ _
+_ 8 9  2 _ _  _ _ _
+
+_ _ 1  _ _ 2  _ 3 _
+9 _ _  _ _ _  _ _ _
+5 6 2  _ 8 1  _ _ 9
+
+SOLUTION:
+4 1 7  6 2 3  8 9 5
+2 9 3  7 5 8  6 1 4
+6 5 8  1 4 9  3 7 2
+
+3 4 5  9 1 6  2 8 7
+7 2 6  8 3 4  9 5 1
+1 8 9  2 7 5  4 6 3
+
+8 7 1  4 9 2  5 3 6
+9 3 4  5 6 7  1 2 8
+5 6 2  3 8 1  7 4 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,6,3,null,null,8,null,0,null,null,null,null,6,null,null,null,null,null,null,5,null,null,0,null,3,4,null,4,2,null,null,null,null,1,7,null,null,null,null,null,null,null,null,null,0,null,null,7,1,null,null,null,null,null,null,7,5,null,null,null,null,6,5,null,null,null,null,3,null,null,8,1,null,3,null,null,2,null,0,null],"solution":[2,1,6,3,5,4,8,7,0,3,0,4,8,6,7,2,5,1,8,7,5,1,2,0,6,3,4,6,4,2,0,3,8,5,1,7,7,5,1,2,4,6,0,8,3,0,3,8,7,1,5,4,6,2,4,8,7,5,0,1,3,2,6,5,2,0,6,7,3,1,4,8,1,6,3,4,8,2,7,0,5]}
+PUZZLE:
+_ _ 7  4 _ _  9 _ 1
+_ _ _  _ 7 _  _ _ _
+_ _ 6  _ _ 1  _ 4 5
+
+_ 5 3  _ _ _  _ 2 8
+_ _ _  _ _ _  _ _ _
+1 _ _  8 2 _  _ _ _
+
+_ _ 8  6 _ _  _ _ 7
+6 _ _  _ _ 4  _ _ 9
+2 _ 4  _ _ 3  _ 1 _
+
+SOLUTION:
+3 2 7  4 6 5  9 8 1
+4 1 5  9 7 8  3 6 2
+9 8 6  2 3 1  7 4 5
+
+7 5 3  1 4 9  6 2 8
+8 6 2  3 5 7  1 9 4
+1 4 9  8 2 6  5 7 3
+
+5 9 8  6 1 2  4 3 7
+6 3 1  7 8 4  2 5 9
+2 7 4  5 9 3  8 1 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[1,null,null,null,null,null,null,6,8,null,0,null,null,null,null,2,null,null,6,null,null,2,null,null,1,7,4,null,4,null,null,2,null,null,0,null,2,null,5,null,null,4,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,6,0,null,5,null,7,null,null,4,3,null,null,null,6,null,null,null,null,null,null,null,null,null],"solution":[1,3,2,5,4,7,0,6,8,4,0,7,8,1,6,2,3,5,6,5,8,2,0,3,1,7,4,8,4,6,3,2,1,5,0,7,2,1,5,0,7,4,6,8,3,0,7,3,6,5,8,4,2,1,3,8,4,1,6,0,7,5,2,7,2,0,4,3,5,8,1,6,5,6,1,7,8,2,3,4,0]}
+PUZZLE:
+2 _ _  _ _ _  _ 7 9
+_ 1 _  _ _ _  3 _ _
+7 _ _  3 _ _  2 8 5
+
+_ 5 _  _ 3 _  _ 1 _
+3 _ 6  _ _ 5  _ _ _
+_ _ _  7 _ _  _ _ _
+
+_ _ _  _ 7 1  _ 6 _
+8 _ _  5 4 _  _ _ 7
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+2 4 3  6 5 8  1 7 9
+5 1 8  9 2 7  3 4 6
+7 6 9  3 1 4  2 8 5
+
+9 5 7  4 3 2  6 1 8
+3 2 6  1 8 5  7 9 4
+1 8 4  7 6 9  5 3 2
+
+4 9 5  2 7 1  8 6 3
+8 3 1  5 4 6  9 2 7
+6 7 2  8 9 3  4 5 1
+
+RATING: 2
+DATA:
+{"puzzle":[6,null,null,null,0,null,null,null,null,null,null,5,null,null,7,3,6,null,null,null,null,null,null,null,null,null,null,null,null,8,4,null,null,null,7,null,null,7,6,null,1,null,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,0,null,null,null,8,null,null,null,null,null,null,6,null,5,1,null,2,7,5,null,8,4,null,null],"solution":[6,8,2,3,0,4,5,1,7,0,4,5,1,8,7,3,6,2,7,1,3,6,5,2,8,4,0,2,0,8,4,6,3,1,7,5,3,7,6,8,1,5,0,2,4,4,5,1,7,2,0,6,3,8,5,6,4,0,7,1,2,8,3,8,3,0,2,4,6,7,5,1,1,2,7,5,3,8,4,0,6]}
+PUZZLE:
+7 _ _  _ 1 _  _ _ _
+_ _ 6  _ _ 8  4 7 _
+_ _ _  _ _ _  _ _ _
+
+_ _ 9  5 _ _  _ 8 _
+_ 8 7  _ 2 _  _ _ _
+_ _ _  _ 3 _  _ _ _
+
+_ _ _  1 _ _  _ 9 _
+_ _ _  _ _ 7  _ 6 2
+_ 3 8  6 _ 9  5 _ _
+
+SOLUTION:
+7 9 3  4 1 5  6 2 8
+1 5 6  2 9 8  4 7 3
+8 2 4  7 6 3  9 5 1
+
+3 1 9  5 7 4  2 8 6
+4 8 7  9 2 6  1 3 5
+5 6 2  8 3 1  7 4 9
+
+6 7 5  1 8 2  3 9 4
+9 4 1  3 5 7  8 6 2
+2 3 8  6 4 9  5 1 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,5,8,0,null,null,6,1,null,4,null,null,null,null,null,null,null,null,null,6,null,2,null,null,null,7,null,null,4,3,null,6,null,null,0,null,null,null,null,null,4,2,8,null,null,null,null,1,null,null,null,null,null,5,null,3,null,null,null,null,7,null,null,null,null,null,3,null,1,null,8,null,null,null,null,6,null,5,null,null,null],"solution":[2,5,8,0,3,7,6,1,4,4,1,7,8,5,6,3,2,0,3,6,0,2,1,4,5,7,8,7,4,3,5,6,8,2,0,1,6,0,5,1,4,2,8,3,7,8,2,1,7,0,3,4,6,5,1,3,6,4,8,0,7,5,2,5,7,4,3,2,1,0,8,6,0,8,2,6,7,5,1,4,3]}
+PUZZLE:
+_ 6 9  1 _ _  7 2 _
+5 _ _  _ _ _  _ _ _
+_ 7 _  3 _ _  _ 8 _
+
+_ 5 4  _ 7 _  _ 1 _
+_ _ _  _ 5 3  9 _ _
+_ _ 2  _ _ _  _ _ 6
+
+_ 4 _  _ _ _  8 _ _
+_ _ _  4 _ 2  _ 9 _
+_ _ _  7 _ 6  _ _ _
+
+SOLUTION:
+3 6 9  1 4 8  7 2 5
+5 2 8  9 6 7  4 3 1
+4 7 1  3 2 5  6 8 9
+
+8 5 4  6 7 9  3 1 2
+7 1 6  2 5 3  9 4 8
+9 3 2  8 1 4  5 7 6
+
+2 4 7  5 9 1  8 6 3
+6 8 5  4 3 2  1 9 7
+1 9 3  7 8 6  2 5 4
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,1,3,null,null,2,null,null,null,6,null,null,null,null,null,null,5,8,4,null,null,2,null,null,null,null,null,5,8,null,7,null,null,null,null,null,null,null,null,null,5,3,null,0,null,null,null,4,6,null,null,0,null,null,2,null,2,null,null,6,null,null,4,null,5,null,null,null,1,null,null,null,null],"solution":[4,7,8,0,5,6,2,3,1,1,3,5,8,2,4,7,0,6,2,6,0,1,7,3,5,8,4,3,0,2,6,4,7,8,1,5,8,5,7,2,0,1,4,6,3,6,1,4,5,3,8,0,2,7,7,4,6,3,8,0,1,5,2,0,2,1,7,6,5,3,4,8,5,8,3,4,1,2,6,7,0]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+2 4 _  _ 3 _  _ _ 7
+_ _ _  _ _ _  6 9 5
+
+_ _ 3  _ _ _  _ _ 6
+9 _ 8  _ _ _  _ _ _
+_ _ _  6 4 _  1 _ _
+
+_ 5 7  _ _ 1  _ _ 3
+_ 3 _  _ 7 _  _ 5 _
+6 _ _  _ 2 _  _ _ _
+
+SOLUTION:
+5 8 9  1 6 7  3 4 2
+2 4 6  9 3 5  8 1 7
+3 7 1  2 8 4  6 9 5
+
+4 1 3  7 5 8  9 2 6
+9 6 8  3 1 2  5 7 4
+7 2 5  6 4 9  1 3 8
+
+8 5 7  4 9 1  2 6 3
+1 3 2  8 7 6  4 5 9
+6 9 4  5 2 3  7 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,null,null,3,5,null,null,null,0,null,null,null,null,null,null,6,8,null,null,null,1,null,null,null,7,2,8,3,null,null,5,null,6,null,null,null,null,null,null,null,null,null,4,null,null,4,null,7,null,null,null,null,null,null,null,7,null,null,null,null,null,3,null,7,1,null,4,null,null,null,null,null,null,null,6,null,3,null,null],"solution":[7,2,6,8,4,3,5,1,0,4,0,1,2,5,7,8,3,6,8,3,5,0,1,6,4,2,7,2,8,3,4,0,5,7,6,1,6,7,0,3,8,1,2,5,4,5,1,4,6,7,2,0,8,3,0,6,2,7,3,8,1,4,5,3,5,7,1,2,4,6,0,8,1,4,8,5,6,0,3,7,2]}
+PUZZLE:
+_ 3 _  _ _ 4  6 _ _
+_ 1 _  _ _ _  _ _ 7
+9 _ _  _ 2 _  _ _ 8
+
+3 9 4  _ _ 6  _ 7 _
+_ _ _  _ _ _  _ _ 5
+_ _ 5  _ 8 _  _ _ _
+
+_ _ _  8 _ _  _ _ _
+4 _ 8  2 _ 5  _ _ _
+_ _ _  _ 7 _  4 _ _
+
+SOLUTION:
+8 3 7  9 5 4  6 2 1
+5 1 2  3 6 8  9 4 7
+9 4 6  1 2 7  5 3 8
+
+3 9 4  5 1 6  8 7 2
+7 8 1  4 9 2  3 6 5
+6 2 5  7 8 3  1 9 4
+
+1 7 3  8 4 9  2 5 6
+4 6 8  2 3 5  7 1 9
+2 5 9  6 7 1  4 8 3
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,4,null,null,7,2,0,null,null,5,null,8,null,null,null,null,null,0,null,null,2,7,null,null,1,null,null,null,null,7,null,2,null,null,null,null,7,1,null,null,null,8,null,null,null,8,null,null,5,null,null,6,4,8,3,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,3,6,null,null],"solution":[8,3,1,4,5,6,7,2,0,7,2,5,0,8,1,3,6,4,6,0,4,3,2,7,8,5,1,5,4,0,6,7,8,2,1,3,2,6,7,1,3,4,0,8,5,3,1,8,2,0,5,4,7,6,4,8,3,5,6,2,1,0,7,1,7,6,8,4,0,5,3,2,0,5,2,7,1,3,6,4,8]}
+PUZZLE:
+_ _ _  5 _ _  8 3 1
+_ _ 6  _ 9 _  _ _ _
+_ 1 _  _ 3 8  _ _ 2
+
+_ _ _  _ 8 _  3 _ _
+_ _ 8  2 _ _  _ 9 _
+_ _ 9  _ _ 6  _ _ 7
+
+5 9 4  _ _ _  _ _ _
+_ _ _  _ _ 1  _ _ _
+_ _ _  _ _ 4  7 _ _
+
+SOLUTION:
+9 4 2  5 6 7  8 3 1
+8 3 6  1 9 2  4 7 5
+7 1 5  4 3 8  9 6 2
+
+6 5 1  7 8 9  3 2 4
+3 7 8  2 4 5  1 9 6
+4 2 9  3 1 6  5 8 7
+
+5 9 4  6 7 3  2 1 8
+2 8 7  9 5 1  6 4 3
+1 6 3  8 2 4  7 5 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,5,null,null,null,null,null,8,null,null,6,7,null,null,null,1,null,1,null,4,0,null,null,null,5,null,null,null,1,6,0,5,3,4,null,2,null,null,null,null,4,null,6,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,3,null,null,null,null,null,null,2,null,null,4,null,null,null,null,2,null,null,null,null,0,6],"solution":[0,2,5,3,4,1,6,7,8,8,3,6,7,5,2,0,1,4,1,7,4,0,8,6,2,5,3,7,8,1,6,0,5,3,4,2,2,5,0,8,3,4,1,6,7,4,6,3,1,2,7,5,8,0,5,0,7,4,6,3,8,2,1,6,1,8,2,7,0,4,3,5,3,4,2,5,1,8,7,0,6]}
+PUZZLE:
+_ _ 6  _ _ _  _ _ 9
+_ _ 7  8 _ _  _ 2 _
+2 _ 5  1 _ _  _ 6 _
+
+_ _ 2  7 1 6  4 5 _
+3 _ _  _ _ 5  _ 7 _
+_ _ _  _ _ _  _ _ _
+
+6 _ _  _ _ 4  _ _ _
+_ _ _  3 _ _  5 _ _
+_ _ 3  _ _ _  _ 1 7
+
+SOLUTION:
+1 3 6  4 5 2  7 8 9
+9 4 7  8 6 3  1 2 5
+2 8 5  1 9 7  3 6 4
+
+8 9 2  7 1 6  4 5 3
+3 6 1  9 4 5  2 7 8
+5 7 4  2 3 8  6 9 1
+
+6 1 8  5 7 4  9 3 2
+7 2 9  3 8 1  5 4 6
+4 5 3  6 2 9  8 1 7
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,5,null,null,3,0,null,null,null,null,null,null,null,null,5,null,null,null,7,8,5,6,null,1,null,null,null,1,null,null,3,null,null,null,5,null,2,null,null,null,7,null,null,null,null,null,null,null,5,null,2,6,3,null,5,null,null,null,null,6,null,0,null,null,null,null,4,null,null,null,8,4,null,null,1,null,null,null,null,null],"solution":[2,4,5,7,1,3,0,8,6,1,3,6,8,0,4,5,2,7,0,7,8,5,6,2,1,3,4,6,1,4,2,3,0,8,7,5,5,2,3,6,8,7,4,0,1,8,0,7,4,5,1,2,6,3,7,5,1,3,2,8,6,4,0,3,6,2,0,4,5,7,1,8,4,8,0,1,7,6,3,5,2]}
+PUZZLE:
+_ _ 6  _ _ 4  1 _ _
+_ _ _  _ _ _  6 _ _
+_ 8 9  6 7 _  2 _ _
+
+_ 2 _  _ 4 _  _ _ 6
+_ 3 _  _ _ 8  _ _ _
+_ _ _  _ 6 _  3 7 4
+
+_ 6 _  _ _ _  7 _ 1
+_ _ _  _ 5 _  _ _ 9
+5 _ _  2 _ _  _ _ _
+
+SOLUTION:
+3 5 6  8 2 4  1 9 7
+2 4 7  9 1 5  6 3 8
+1 8 9  6 7 3  2 4 5
+
+7 2 5  3 4 1  9 8 6
+6 3 4  7 9 8  5 1 2
+9 1 8  5 6 2  3 7 4
+
+8 6 2  4 3 9  7 5 1
+4 7 3  1 5 6  8 2 9
+5 9 1  2 8 7  4 6 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,0,4,null,null,null,6,null,null,1,null,null,null,null,1,null,8,null,null,2,null,null,null,2,null,null,null,7,null,null,8,4,null,null,null,0,null,null,null,7,null,7,5,null,null,null,3,null,null,null,8,null,null,null,null,null,5,null,6,null,7,null,null,2,null,0,4,null,null,null,2,1,null,5,null,null,null],"solution":[5,2,7,6,3,0,4,1,8,0,6,3,8,1,4,7,5,2,1,4,8,7,5,2,6,0,3,2,1,0,5,7,6,3,8,4,3,8,6,0,4,1,2,7,5,7,5,4,2,8,3,1,6,0,8,3,1,4,0,7,5,2,6,6,7,5,3,2,8,0,4,1,4,0,2,1,6,5,8,3,7]}
+PUZZLE:
+_ _ _  _ _ 1  5 _ _
+_ 7 _  _ 2 _  _ _ _
+2 _ 9  _ _ 3  _ _ _
+
+3 _ _  _ 8 _  _ 9 5
+_ _ _  1 _ _  _ 8 _
+8 6 _  _ _ 4  _ _ _
+
+9 _ _  _ _ _  6 _ 7
+_ 8 _  _ 3 _  1 5 _
+_ _ 3  2 _ 6  _ _ _
+
+SOLUTION:
+6 3 8  7 4 1  5 2 9
+1 7 4  9 2 5  8 6 3
+2 5 9  8 6 3  7 1 4
+
+3 2 1  6 8 7  4 9 5
+4 9 7  1 5 2  3 8 6
+8 6 5  3 9 4  2 7 1
+
+9 4 2  5 1 8  6 3 7
+7 8 6  4 3 9  1 5 2
+5 1 3  2 7 6  9 4 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,5,0,null,null,null,null,null,null,3,null,null,null,5,null,null,3,null,4,null,null,8,null,null,0,4,null,null,null,null,2,6,null,null,6,null,null,null,null,null,null,null,1,null,5,null,3,null,null,7,null,null,null,null,null,null,null,4,0,null,3,8,7,1,null,null,null,null,null,null,null,6,null,null,null,null,null,null],"solution":[6,1,2,8,5,0,3,4,7,8,7,4,3,2,1,6,5,0,5,3,0,4,7,6,8,1,2,0,4,8,5,1,7,2,6,3,7,6,3,0,4,2,1,8,5,1,2,5,6,3,8,0,7,4,2,5,1,7,6,3,4,0,8,3,8,7,1,0,4,5,2,6,4,0,6,2,8,5,7,3,1]}
+PUZZLE:
+_ _ _  _ 6 1  _ _ _
+_ _ _  4 _ _  _ 6 _
+_ 4 _  5 _ _  9 _ _
+
+1 5 _  _ _ _  3 7 _
+_ 7 _  _ _ _  _ _ _
+2 _ 6  _ 4 _  _ 8 _
+
+_ _ _  _ _ _  5 1 _
+4 9 8  2 _ _  _ _ _
+_ _ 7  _ _ _  _ _ _
+
+SOLUTION:
+7 2 3  9 6 1  4 5 8
+9 8 5  4 3 2  7 6 1
+6 4 1  5 8 7  9 2 3
+
+1 5 9  6 2 8  3 7 4
+8 7 4  1 5 3  2 9 6
+2 3 6  7 4 9  1 8 5
+
+3 6 2  8 7 4  5 1 9
+4 9 8  2 1 5  6 3 7
+5 1 7  3 9 6  8 4 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,1,null,2,5,null,null,null,null,null,0,8,null,null,null,3,null,null,null,null,null,null,null,null,8,null,1,null,null,2,null,null,0,null,6,null,null,7,null,null,null,4,null,8,null,7,null,null,6,null,6,null,1,null,null,null,null,3,0,null,2,null,8,6,null,null,null,null,null,7,2,null,null,null,null,null],"solution":[7,8,0,5,6,4,1,3,2,5,2,6,7,3,1,0,8,4,4,1,3,0,2,8,6,5,7,6,7,8,4,1,3,5,2,0,3,0,1,6,5,2,7,4,8,2,4,5,8,0,7,3,1,6,8,6,4,1,7,5,2,0,3,0,5,2,3,8,6,4,7,1,1,3,7,2,4,0,8,6,5]}
+PUZZLE:
+_ _ _  _ _ _  2 _ 3
+6 _ _  _ _ _  1 9 _
+_ _ 4  _ _ _  _ _ _
+
+_ _ 9  _ 2 _  _ 3 _
+_ 1 _  7 _ _  8 _ _
+_ 5 _  9 _ 8  _ _ 7
+
+_ 7 _  2 _ _  _ _ 4
+1 _ 3  _ 9 7  _ _ _
+_ _ 8  3 _ _  _ _ _
+
+SOLUTION:
+8 9 1  6 7 5  2 4 3
+6 3 7  8 4 2  1 9 5
+5 2 4  1 3 9  7 6 8
+
+7 8 9  5 2 4  6 3 1
+4 1 2  7 6 3  8 5 9
+3 5 6  9 1 8  4 2 7
+
+9 7 5  2 8 6  3 1 4
+1 6 3  4 9 7  5 8 2
+2 4 8  3 5 1  9 7 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,5,6,null,null,7,null,null,2,null,null,null,null,8,null,6,null,null,1,null,2,8,null,3,null,null,7,null,null,null,null,null,null,null,null,0,null,3,null,null,6,null,null,null,null,7,null,4,null,null,null,5,8,null,null,0,null,null,null,null,null,4,null,null,6,null,1,5,null,null,null,null,null,null,null],"solution":[4,1,2,3,7,8,0,5,6,6,0,7,1,5,2,4,8,3,3,8,5,6,0,4,1,7,2,8,2,3,4,6,7,5,1,0,5,7,4,2,1,0,6,3,8,0,6,1,8,3,5,7,2,4,7,4,6,5,8,3,2,0,1,2,3,0,7,4,1,8,6,5,1,5,8,0,2,6,3,4,7]}
+PUZZLE:
+_ 2 _  _ _ _  _ 6 7
+_ _ 8  _ _ 3  _ _ _
+_ 9 _  7 _ _  2 _ 3
+
+9 _ 4  _ _ 8  _ _ _
+_ _ _  _ _ 1  _ 4 _
+_ 7 _  _ _ _  8 _ 5
+
+_ _ _  6 9 _  _ 1 _
+_ _ _  _ 5 _  _ 7 _
+2 6 _  _ _ _  _ _ _
+
+SOLUTION:
+5 2 3  4 8 9  1 6 7
+7 1 8  2 6 3  5 9 4
+4 9 6  7 1 5  2 8 3
+
+9 3 4  5 7 8  6 2 1
+6 8 5  3 2 1  7 4 9
+1 7 2  9 4 6  8 3 5
+
+8 5 7  6 9 4  3 1 2
+3 4 1  8 5 2  9 7 6
+2 6 9  1 3 7  4 5 8
+
+RATING: 2.5
+DATA:
+{"puzzle":[3,7,null,null,null,null,null,null,8,null,null,null,null,null,6,null,null,4,1,null,null,null,null,null,null,7,null,null,3,7,1,null,null,null,null,null,null,1,null,6,2,null,null,0,null,4,null,null,null,0,null,null,null,null,5,null,null,null,4,null,null,null,3,null,null,null,null,1,7,4,null,null,null,null,3,null,null,null,null,null,1],"solution":[3,7,6,4,5,1,0,2,8,2,5,0,8,7,6,1,3,4,1,8,4,0,3,2,5,7,6,0,3,7,1,8,5,6,4,2,8,1,5,6,2,4,3,0,7,4,6,2,7,0,3,8,1,5,5,0,1,2,4,8,7,6,3,6,2,8,3,1,7,4,5,0,7,4,3,5,6,0,2,8,1]}
+PUZZLE:
+4 8 _  _ _ _  _ _ 9
+_ _ _  _ _ 7  _ _ 5
+2 _ _  _ _ _  _ 8 _
+
+_ 4 8  2 _ _  _ _ _
+_ 2 _  7 3 _  _ 1 _
+5 _ _  _ 1 _  _ _ _
+
+6 _ _  _ 5 _  _ _ 4
+_ _ _  _ 2 8  5 _ _
+_ _ 4  _ _ _  _ _ 2
+
+SOLUTION:
+4 8 7  5 6 2  1 3 9
+3 6 1  9 8 7  2 4 5
+2 9 5  1 4 3  6 8 7
+
+1 4 8  2 9 6  7 5 3
+9 2 6  7 3 5  4 1 8
+5 7 3  8 1 4  9 2 6
+
+6 1 2  3 5 9  8 7 4
+7 3 9  4 2 8  5 6 1
+8 5 4  6 7 1  3 9 2
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,3,7,null,8,null,null,4,null,6,null,5,null,null,5,1,null,2,null,null,null,null,null,7,null,2,null,null,null,8,null,null,null,4,3,1,null,0,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,0,null,null,null,6,null,4,5,null,null,null,null,null,null,null,null,null,4,null,null],"solution":[2,6,0,5,1,3,7,4,8,3,7,4,0,6,8,5,2,1,5,1,8,2,7,4,0,6,3,7,5,2,4,3,6,8,1,0,6,4,3,1,8,0,2,5,7,8,0,1,7,5,2,6,3,4,4,8,7,6,2,1,3,0,5,0,3,6,8,4,5,1,7,2,1,2,5,3,0,7,4,8,6]}
+PUZZLE:
+_ _ _  _ _ 4  8 _ 9
+_ _ 5  _ 7 _  6 _ _
+6 2 _  3 _ _  _ _ _
+
+8 _ 3  _ _ _  9 _ _
+_ 5 4  2 _ 1  _ _ _
+_ _ _  _ _ _  7 _ _
+
+_ _ _  _ _ _  _ 1 _
+_ _ 7  _ 5 6  _ _ _
+_ _ _  _ _ _  5 _ _
+
+SOLUTION:
+3 7 1  6 2 4  8 5 9
+4 8 5  1 7 9  6 3 2
+6 2 9  3 8 5  1 7 4
+
+8 6 3  5 4 7  9 2 1
+7 5 4  2 9 1  3 6 8
+9 1 2  8 6 3  7 4 5
+
+5 9 8  7 3 2  4 1 6
+1 4 7  9 5 6  2 8 3
+2 3 6  4 1 8  5 9 7
+
+RATING: 2
+DATA:
+{"puzzle":[2,6,null,null,3,4,7,null,1,3,null,1,0,null,null,null,null,null,null,null,0,null,2,null,5,null,null,null,null,null,null,null,null,0,2,null,6,0,3,null,5,null,null,null,null,null,null,null,null,7,null,6,null,null,null,null,8,7,null,null,1,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,4],"solution":[2,6,5,8,3,4,7,0,1,3,7,1,0,6,5,4,8,2,8,4,0,1,2,7,5,3,6,7,5,4,6,8,1,0,2,3,6,0,3,4,5,2,8,1,7,1,8,2,3,7,0,6,4,5,5,2,8,7,4,3,1,6,0,4,1,7,2,0,6,3,5,8,0,3,6,5,1,8,2,7,4]}
+PUZZLE:
+3 7 _  _ 4 5  8 _ 2
+4 _ 2  1 _ _  _ _ _
+_ _ 1  _ 3 _  6 _ _
+
+_ _ _  _ _ _  1 3 _
+7 1 4  _ 6 _  _ _ _
+_ _ _  _ 8 _  7 _ _
+
+_ _ 9  8 _ _  2 _ _
+5 _ _  _ _ _  _ _ _
+_ _ _  _ 2 _  _ _ 5
+
+SOLUTION:
+3 7 6  9 4 5  8 1 2
+4 8 2  1 7 6  5 9 3
+9 5 1  2 3 8  6 4 7
+
+8 6 5  7 9 2  1 3 4
+7 1 4  5 6 3  9 2 8
+2 9 3  4 8 1  7 5 6
+
+6 3 9  8 5 4  2 7 1
+5 2 8  3 1 7  4 6 9
+1 4 7  6 2 9  3 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,3,null,6,null,0,null,8,null,null,null,null,0,null,null,5,null,null,null,1,7,null,null,2,null,null,null,null,7,null,null,null,null,1,3,null,4,null,null,3,null,null,null,null,0,null,null,null,null,8,null,null,null,null,null,2,null,null,null,7,null,null,null,null,4,null,7,1,null,null,5,null,null,null,null,null,null,null,3,null],"solution":[4,2,3,1,6,5,0,7,8,8,7,6,4,0,2,3,5,1,5,0,1,7,8,3,2,4,6,2,6,7,5,4,0,8,1,3,1,4,8,6,3,7,5,0,2,0,3,5,2,1,8,4,6,7,6,1,2,3,5,4,7,8,0,3,8,4,0,7,1,6,2,5,7,5,0,8,2,6,1,3,4]}
+PUZZLE:
+_ _ 4  _ 7 _  1 _ 9
+_ _ _  _ 1 _  _ 6 _
+_ _ 2  8 _ _  3 _ _
+
+_ _ 8  _ _ _  _ 2 4
+_ 5 _  _ 4 _  _ _ _
+1 _ _  _ _ 9  _ _ _
+
+_ _ 3  _ _ _  8 _ _
+_ _ 5  _ 8 2  _ _ 6
+_ _ _  _ _ _  _ 4 _
+
+SOLUTION:
+5 3 4  2 7 6  1 8 9
+9 8 7  5 1 3  4 6 2
+6 1 2  8 9 4  3 5 7
+
+3 7 8  6 5 1  9 2 4
+2 5 9  7 4 8  6 1 3
+1 4 6  3 2 9  5 7 8
+
+7 2 3  4 6 5  8 9 1
+4 9 5  1 8 2  7 3 6
+8 6 1  9 3 7  2 4 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,1,null,null,null,3,null,5,4,2,null,null,null,null,1,null,null,null,null,6,null,0,null,null,2,null,null,null,null,null,null,null,null,8,null,8,null,7,null,5,0,2,1,null,null,null,2,1,null,3,null,null,0,null,null,null,null,null,null,null,3,7,null,null,8,6,null,null,null,null,null,null,null,null,3,null,2,null,null,null],"solution":[0,8,1,2,6,4,3,7,5,4,2,5,8,3,7,1,0,6,7,3,6,5,0,1,4,2,8,1,0,3,7,2,6,5,8,4,8,6,7,4,5,0,2,1,3,5,4,2,1,8,3,7,6,0,2,5,4,0,1,8,6,3,7,3,1,8,6,7,5,0,4,2,6,7,0,3,4,2,8,5,1]}
+PUZZLE:
+_ _ 2  _ _ _  4 _ 6
+5 3 _  _ _ _  2 _ _
+_ _ 7  _ 1 _  _ 3 _
+
+_ _ _  _ _ _  _ 9 _
+9 _ 8  _ 6 1  3 2 _
+_ _ 3  2 _ 4  _ _ 1
+
+_ _ _  _ _ _  _ 4 8
+_ _ 9  7 _ _  _ _ _
+_ _ _  4 _ 3  _ _ _
+
+SOLUTION:
+1 9 2  3 7 5  4 8 6
+5 3 6  9 4 8  2 1 7
+8 4 7  6 1 2  5 3 9
+
+2 1 4  8 3 7  6 9 5
+9 7 8  5 6 1  3 2 4
+6 5 3  2 9 4  8 7 1
+
+3 6 5  1 2 9  7 4 8
+4 2 9  7 8 6  1 5 3
+7 8 1  4 5 3  9 6 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,3,null,null,null,8,null,null,1,0,null,null,null,3,5,null,null,null,null,null,null,null,null,null,null,null,6,null,null,2,null,null,null,null,8,null,null,null,null,7,null,null,null,2,null,null,1,7,null,8,null,8,null,null,null,null,5,6,1,null,null,6,null,7,null,null,3,null,null,3,null,null,null,null,null,null,2,null],"solution":[2,5,0,1,3,6,4,7,8,6,4,1,0,7,8,2,3,5,7,3,8,2,5,4,0,6,1,5,7,6,8,0,2,1,4,3,1,8,4,5,6,3,7,0,2,0,2,3,4,1,7,5,8,6,8,0,7,3,2,5,6,1,4,4,6,2,7,8,1,3,5,0,3,1,5,6,4,0,8,2,7]}
+PUZZLE:
+_ _ _  _ 4 _  _ _ 9
+_ _ 2  1 _ _  _ 4 6
+_ _ _  _ _ _  _ _ _
+
+_ _ 7  _ _ 3  _ _ _
+_ 9 _  _ _ _  8 _ _
+_ 3 _  _ 2 8  _ 9 _
+
+9 _ _  _ _ 6  7 2 _
+_ 7 _  8 _ _  4 _ _
+4 _ _  _ _ _  _ 3 _
+
+SOLUTION:
+3 6 1  2 4 7  5 8 9
+7 5 2  1 8 9  3 4 6
+8 4 9  3 6 5  1 7 2
+
+6 8 7  9 1 3  2 5 4
+2 9 5  6 7 4  8 1 3
+1 3 4  5 2 8  6 9 7
+
+9 1 8  4 3 6  7 2 5
+5 7 3  8 9 2  4 6 1
+4 2 6  7 5 1  9 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[1,null,8,null,null,null,null,null,null,null,null,null,null,null,6,null,null,8,null,null,4,null,1,null,5,null,null,null,null,2,null,null,7,null,4,null,null,null,null,3,null,2,null,null,0,4,6,null,null,null,null,8,null,null,null,null,null,null,5,null,3,null,2,null,null,null,2,null,4,null,null,null,null,5,null,7,8,null,4,null,null],"solution":[1,7,8,5,2,3,0,6,4,5,3,0,4,7,6,2,1,8,6,2,4,0,1,8,5,3,7,3,0,2,8,6,7,1,4,5,8,1,5,3,4,2,6,7,0,4,6,7,1,0,5,8,2,3,7,4,1,6,5,0,3,8,2,0,8,6,2,3,4,7,5,1,2,5,3,7,8,1,4,0,6]}
+PUZZLE:
+2 _ 9  _ _ _  _ _ _
+_ _ _  _ _ 7  _ _ 9
+_ _ 5  _ 2 _  6 _ _
+
+_ _ 3  _ _ 8  _ 5 _
+_ _ _  4 _ 3  _ _ 1
+5 7 _  _ _ _  9 _ _
+
+_ _ _  _ 6 _  4 _ 3
+_ _ _  3 _ 5  _ _ _
+_ 6 _  8 9 _  5 _ _
+
+SOLUTION:
+2 8 9  6 3 4  1 7 5
+6 4 1  5 8 7  3 2 9
+7 3 5  1 2 9  6 4 8
+
+4 1 3  9 7 8  2 5 6
+9 2 6  4 5 3  7 8 1
+5 7 8  2 1 6  9 3 4
+
+8 5 2  7 6 1  4 9 3
+1 9 7  3 4 5  8 6 2
+3 6 4  8 9 2  5 1 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,7,null,null,1,null,4,3,2,null,null,null,5,null,8,0,null,4,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,6,null,3,null,1,null,null,5,7,null,null,null,null,6,null,null,null,3,0,null,6,4,null,null,null,null,null,null,null,8,null,5,null,2,null,null,3,null,null,null,null,null],"solution":[5,8,0,7,6,2,1,3,4,3,2,6,4,1,5,7,8,0,7,4,1,8,3,0,6,2,5,6,3,8,5,0,1,2,4,7,4,0,2,6,7,3,5,1,8,1,5,7,2,8,4,0,6,3,8,1,3,0,5,6,4,7,2,0,7,4,1,2,8,3,5,6,2,6,5,3,4,7,8,0,1]}
+PUZZLE:
+_ _ 1  8 _ _  2 _ 5
+4 3 _  _ _ 6  _ 9 1
+_ 5 _  _ _ _  _ _ _
+
+_ _ 9  _ _ _  _ _ _
+_ _ _  7 _ 4  _ 2 _
+_ 6 8  _ _ _  _ 7 _
+
+_ _ 4  1 _ 7  5 _ _
+_ _ _  _ _ 9  _ 6 _
+3 _ _  4 _ _  _ _ _
+
+SOLUTION:
+6 9 1  8 7 3  2 4 5
+4 3 7  5 2 6  8 9 1
+8 5 2  9 4 1  7 3 6
+
+7 4 9  6 1 2  3 5 8
+5 1 3  7 8 4  6 2 9
+2 6 8  3 9 5  1 7 4
+
+9 2 4  1 6 7  5 8 3
+1 8 5  2 3 9  4 6 7
+3 7 6  4 5 8  9 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,1,6,null,null,null,5,null,4,null,null,null,8,null,0,null,null,null,1,null,7,5,2,null,null,4,null,null,null,8,null,0,null,2,7,0,null,null,null,null,5,null,8,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,0,null,null,null,null,null,null,8,5,1,null,null,3,4,null,null,null,null,null],"solution":[2,8,0,1,6,4,7,3,5,5,4,7,3,2,8,1,0,6,3,6,1,0,7,5,2,8,4,4,3,6,5,8,1,0,7,2,7,0,2,6,4,3,5,1,8,1,5,8,2,0,7,4,6,3,6,7,5,8,1,2,3,4,0,0,2,4,7,3,6,8,5,1,8,1,3,4,5,0,6,2,7]}
+PUZZLE:
+3 _ _  2 7 _  _ _ 6
+_ 5 _  _ _ 9  _ 1 _
+_ _ 2  _ 8 6  3 _ _
+
+5 _ _  _ 9 _  1 _ 3
+8 1 _  _ _ _  6 _ 9
+_ _ _  _ _ _  _ _ _
+
+_ 8 _  _ _ _  _ _ 1
+_ _ _  _ _ _  9 6 2
+_ _ 4  5 _ _  _ _ _
+
+SOLUTION:
+3 9 1  2 7 5  8 4 6
+6 5 8  4 3 9  2 1 7
+4 7 2  1 8 6  3 9 5
+
+5 4 7  6 9 2  1 8 3
+8 1 3  7 5 4  6 2 9
+2 6 9  3 1 8  5 7 4
+
+7 8 6  9 2 3  4 5 1
+1 3 5  8 4 7  9 6 2
+9 2 4  5 6 1  7 3 8
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,0,null,null,1,8,7,null,null,null,null,null,null,6,5,null,null,null,null,null,null,3,null,null,null,8,null,8,null,null,null,null,null,4,null,7,2,null,3,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,6,null,5,0,null,null,null,3,2,null,null,null,2,null,4,null,0,null],"solution":[5,0,2,4,1,8,7,6,3,1,3,8,7,6,5,2,4,0,4,6,7,3,2,0,5,8,1,8,1,6,5,0,3,4,2,7,2,7,3,1,4,6,0,5,8,0,5,4,8,7,2,3,1,6,3,2,0,6,5,1,8,7,4,6,4,5,0,8,7,1,3,2,7,8,1,2,3,4,6,0,5]}
+PUZZLE:
+_ 1 _  _ 2 9  8 _ _
+_ _ _  _ 7 6  _ _ _
+_ _ _  4 _ _  _ 9 _
+
+9 _ _  _ _ _  5 _ 8
+3 _ 4  _ _ _  _ _ _
+_ 6 _  _ _ _  _ _ _
+
+_ _ _  _ _ 2  _ _ _
+7 _ 6  1 _ _  _ 4 3
+_ _ _  3 _ 5  _ 1 _
+
+SOLUTION:
+6 1 3  5 2 9  8 7 4
+2 4 9  8 7 6  3 5 1
+5 7 8  4 3 1  6 9 2
+
+9 2 7  6 1 4  5 3 8
+3 8 4  2 5 7  1 6 9
+1 6 5  9 8 3  4 2 7
+
+4 3 1  7 6 2  9 8 5
+7 5 6  1 9 8  2 4 3
+8 9 2  3 4 5  7 1 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,4,null,8,null,null,null,null,null,null,null,null,null,null,2,null,null,0,null,null,null,null,1,null,8,null,6,null,null,8,null,null,5,null,null,4,5,null,null,null,2,1,7,null,null,null,null,null,null,null,6,5,3,null,0,null,null,5,null,8,null,6,null,null,null,null,null,null,0,null,null,1,null,null,2,null,6,null,null,7,null],"solution":[6,4,0,8,5,3,1,2,7,1,8,7,6,4,2,3,5,0,3,2,5,0,1,7,8,4,6,2,7,8,3,0,5,6,1,4,5,6,3,4,2,1,7,0,8,4,0,1,7,8,6,5,3,2,0,1,4,5,7,8,2,6,3,7,5,6,2,3,0,4,8,1,8,3,2,1,6,4,0,7,5]}
+PUZZLE:
+_ 5 _  9 _ _  _ _ _
+_ _ _  _ _ 3  _ _ 1
+_ _ _  _ 2 _  9 _ 7
+
+_ _ 9  _ _ 6  _ _ 5
+6 _ _  _ 3 2  8 _ _
+_ _ _  _ _ 7  6 4 _
+
+1 _ _  6 _ 9  _ 7 _
+_ _ _  _ _ 1  _ _ 2
+_ _ 3  _ 7 _  _ 8 _
+
+SOLUTION:
+7 5 1  9 6 4  2 3 8
+2 9 8  7 5 3  4 6 1
+4 3 6  1 2 8  9 5 7
+
+3 8 9  4 1 6  7 2 5
+6 7 4  5 3 2  8 1 9
+5 1 2  8 9 7  6 4 3
+
+1 2 5  6 8 9  3 7 4
+8 6 7  3 4 1  5 9 2
+9 4 3  2 7 5  1 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,4,null,null,3,null,null,null,null,6,1,null,null,null,null,null,null,null,3,null,null,4,null,5,null,0,null,null,null,1,null,null,3,3,1,null,null,null,null,null,null,null,8,null,null,4,2,null,null,6,null,null,null,7,null,null,null,null,5,6,null,null,4,null,null,null,3,null,7,null,null,null,null,null,null,8,null,0],"solution":[1,5,0,8,4,7,6,3,2,2,4,3,6,1,5,7,0,8,7,6,8,3,0,2,4,1,5,4,0,6,5,7,1,2,8,3,3,1,2,0,6,8,5,7,4,8,7,5,4,2,3,0,6,1,0,3,7,2,8,4,1,5,6,6,8,4,1,5,0,3,2,7,5,2,1,7,3,6,8,4,0]}
+PUZZLE:
+_ _ _  9 5 _  _ 4 _
+_ _ _  7 2 _  _ _ _
+_ _ _  4 _ _  5 _ 6
+
+_ 1 _  _ _ 2  _ _ 4
+4 2 _  _ _ _  _ _ _
+9 _ _  5 3 _  _ 7 _
+
+_ _ 8  _ _ _  _ 6 7
+_ _ 5  _ _ _  4 _ 8
+_ _ _  _ _ _  9 _ 1
+
+SOLUTION:
+2 6 1  9 5 8  7 4 3
+3 5 4  7 2 6  8 1 9
+8 7 9  4 1 3  5 2 6
+
+5 1 7  6 8 2  3 9 4
+4 2 3  1 7 9  6 8 5
+9 8 6  5 3 4  1 7 2
+
+1 4 8  3 9 5  2 6 7
+7 9 5  2 6 1  4 3 8
+6 3 2  8 4 7  9 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,6,null,1,0,null,null,null,null,null,1,null,null,2,8,null,null,null,4,0,null,5,null,null,3,4,null,1,null,2,null,null,null,8,2,null,null,null,null,null,null,null,null,6,7,null,null,null,null,null,null,null,0,null,null,7,8,null,null,6,null,null,null,null,null,5,null,null,1,null,null,5,6,null,null,null,4],"solution":[2,7,3,8,5,6,4,1,0,4,0,5,3,7,1,6,8,2,8,6,1,2,4,0,7,5,3,7,3,4,6,1,5,2,0,8,5,8,2,0,3,4,1,7,6,0,1,6,7,8,2,3,4,5,3,5,0,4,2,7,8,6,1,6,4,8,1,0,3,5,2,7,1,2,7,5,6,8,0,3,4]}
+PUZZLE:
+_ _ _  _ _ 7  _ 2 1
+_ _ _  _ _ 2  _ _ 3
+9 _ _  _ 5 1  _ 6 _
+
+_ 4 5  _ 2 _  3 _ _
+_ 9 3  _ _ _  _ _ _
+_ _ 7  8 _ _  _ _ _
+
+_ _ 1  _ _ 8  9 _ _
+7 _ _  _ _ _  6 _ _
+2 _ _  6 7 _  _ _ 5
+
+SOLUTION:
+3 8 4  9 6 7  5 2 1
+5 1 6  4 8 2  7 9 3
+9 7 2  3 5 1  8 6 4
+
+8 4 5  7 2 6  3 1 9
+6 9 3  1 4 5  2 8 7
+1 2 7  8 9 3  4 5 6
+
+4 6 1  5 3 8  9 7 2
+7 5 9  2 1 4  6 3 8
+2 3 8  6 7 9  1 4 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[8,null,null,null,null,null,null,6,null,0,null,null,null,null,4,null,8,5,null,null,null,null,null,8,7,2,4,null,null,3,null,5,null,null,null,7,null,4,null,null,null,1,3,null,null,7,null,null,2,null,null,null,null,8,null,null,null,null,null,2,5,null,null,null,3,null,1,6,5,null,null,null,null,1,null,7,null,null,null,null,null],"solution":[8,2,4,5,1,7,0,6,3,0,6,7,3,2,4,1,8,5,3,5,1,6,0,8,7,2,4,1,8,3,0,5,6,2,4,7,2,4,6,8,7,1,3,5,0,7,0,5,2,4,3,6,1,8,6,7,8,4,3,2,5,0,1,4,3,0,1,6,5,8,7,2,5,1,2,7,8,0,4,3,6]}
+PUZZLE:
+9 _ _  _ _ _  _ 7 _
+1 _ _  _ _ 5  _ 9 6
+_ _ _  _ _ 9  8 3 5
+
+_ _ 4  _ 6 _  _ _ 8
+_ 5 _  _ _ 2  4 _ _
+8 _ _  3 _ _  _ _ 9
+
+_ _ _  _ _ 3  6 _ _
+_ 4 _  2 7 6  _ _ _
+_ 2 _  8 _ _  _ _ _
+
+SOLUTION:
+9 3 5  6 2 8  1 7 4
+1 7 8  4 3 5  2 9 6
+4 6 2  7 1 9  8 3 5
+
+2 9 4  1 6 7  3 5 8
+3 5 7  9 8 2  4 6 1
+8 1 6  3 5 4  7 2 9
+
+7 8 9  5 4 3  6 1 2
+5 4 1  2 7 6  9 8 3
+6 2 3  8 9 1  5 4 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,5,8,null,null,null,null,null,null,7,2,null,8,5,null,3,null,null,null,null,null,null,0,null,null,1,null,null,8,null,0,null,null,7,null,6,null,null,null,1,null,null,null,null,null,1,null,null,null,4,6,null,null,8,6,4,null,null,null,null,null,null,null,null,null,7,null,null,null,null,6,null,null,1,null,5,null,7],"solution":[2,0,7,3,5,8,4,6,1,6,4,1,7,2,0,8,5,3,3,8,5,4,6,1,7,0,2,4,1,3,2,8,6,0,7,5,7,5,6,0,3,4,1,2,8,8,2,0,1,7,5,3,4,6,5,7,8,6,4,3,2,1,0,1,3,2,5,0,7,6,8,4,0,6,4,8,1,2,5,3,7]}
+PUZZLE:
+_ _ _  _ 6 9  _ _ _
+_ _ _  8 3 _  9 6 _
+4 _ _  _ _ _  _ 1 _
+
+_ 2 _  _ 9 _  1 _ _
+8 _ 7  _ _ _  2 _ _
+_ _ _  2 _ _  _ 5 7
+
+_ _ 9  7 5 _  _ _ _
+_ _ _  _ _ 8  _ _ _
+_ 7 _  _ 2 _  6 _ 8
+
+SOLUTION:
+3 1 8  4 6 9  5 7 2
+7 5 2  8 3 1  9 6 4
+4 9 6  5 7 2  8 1 3
+
+5 2 4  3 9 7  1 8 6
+8 6 7  1 4 5  2 3 9
+9 3 1  2 8 6  4 5 7
+
+6 8 9  7 5 4  3 2 1
+2 4 3  6 1 8  7 9 5
+1 7 5  9 2 3  6 4 8
+
+RATING: 2
+DATA:
+{"puzzle":[5,null,8,null,null,2,null,null,null,null,3,null,null,null,8,0,null,2,null,0,null,null,null,3,null,5,null,8,null,null,null,null,null,null,null,null,null,7,0,null,null,null,5,null,null,6,1,null,null,0,4,null,null,null,null,null,2,7,3,null,null,null,5,null,null,null,null,null,null,null,0,6,null,8,null,2,null,null,3,null,null],"solution":[5,4,8,0,7,2,6,3,1,1,3,6,5,4,8,0,7,2,2,0,7,6,1,3,4,5,8,8,2,4,3,5,7,1,6,0,3,7,0,1,2,6,5,8,4,6,1,5,8,0,4,7,2,3,4,6,2,7,3,0,8,1,5,7,5,3,4,8,1,2,0,6,0,8,1,2,6,5,3,4,7]}
+PUZZLE:
+6 _ 9  _ _ 3  _ _ _
+_ 4 _  _ _ 9  1 _ 3
+_ 1 _  _ _ 4  _ 6 _
+
+9 _ _  _ _ _  _ _ _
+_ 8 1  _ _ _  6 _ _
+7 2 _  _ 1 5  _ _ _
+
+_ _ 3  8 4 _  _ _ 6
+_ _ _  _ _ _  _ 1 7
+_ 9 _  3 _ _  4 _ _
+
+SOLUTION:
+6 5 9  1 8 3  7 4 2
+2 4 7  6 5 9  1 8 3
+3 1 8  7 2 4  5 6 9
+
+9 3 5  4 6 8  2 7 1
+4 8 1  2 3 7  6 9 5
+7 2 6  9 1 5  8 3 4
+
+5 7 3  8 4 1  9 2 6
+8 6 4  5 9 2  3 1 7
+1 9 2  3 7 6  4 5 8
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,8,null,0,5,null,null,null,null,null,null,6,null,null,null,null,null,null,null,0,2,8,null,7,null,3,null,5,null,8,6,null,null,5,null,null,null,null,4,null,8,null,1,null,null,3,null,null,5,null,null,2,1,null,null,7,null,null,null,null,4,null,null,null,null,null,null,null,1,null,5,6,null,null,null,null,null,null],"solution":[7,2,1,4,8,3,0,5,6,8,0,3,7,5,6,4,1,2,6,4,5,1,0,2,8,3,7,0,3,2,5,1,8,6,7,4,5,6,7,0,2,4,1,8,3,1,8,4,3,6,7,5,2,0,2,1,8,6,7,0,3,4,5,4,7,0,8,3,5,2,6,1,3,5,6,2,4,1,7,0,8]}
+PUZZLE:
+_ _ _  _ 9 _  1 6 _
+_ _ _  _ _ 7  _ _ _
+_ _ _  _ 1 3  9 _ 8
+
+_ 4 _  6 _ 9  7 _ _
+6 _ _  _ _ 5  _ 9 _
+2 _ _  4 _ _  6 _ _
+
+3 2 _  _ 8 _  _ _ _
+5 _ _  _ _ _  _ _ 2
+_ 6 7  _ _ _  _ _ _
+
+SOLUTION:
+8 3 2  5 9 4  1 6 7
+9 1 4  8 6 7  5 2 3
+7 5 6  2 1 3  9 4 8
+
+1 4 3  6 2 9  7 8 5
+6 7 8  1 3 5  2 9 4
+2 9 5  4 7 8  6 3 1
+
+3 2 9  7 8 1  4 5 6
+5 8 1  9 4 6  3 7 2
+4 6 7  3 5 2  8 1 9
+
+RATING: 0
+DATA:
+{"puzzle":[6,null,null,null,8,null,7,null,2,0,null,4,null,null,2,null,null,8,null,5,null,null,null,null,null,null,null,null,null,null,null,6,null,2,4,null,null,null,null,null,null,null,null,6,0,null,null,null,2,null,null,5,null,1,3,null,null,8,null,null,null,null,6,5,null,null,7,null,null,null,3,null,null,null,null,0,2,null,8,null,null],"solution":[6,3,1,4,8,0,7,5,2,0,7,4,5,3,2,6,1,8,2,5,8,6,7,1,4,0,3,8,1,0,3,6,5,2,4,7,7,2,5,1,4,8,3,6,0,4,6,3,2,0,7,5,8,1,3,0,7,8,5,4,1,2,6,5,8,2,7,1,6,0,3,4,1,4,6,0,2,3,8,7,5]}
+PUZZLE:
+7 _ _  _ 9 _  8 _ 3
+1 _ 5  _ _ 3  _ _ 9
+_ 6 _  _ _ _  _ _ _
+
+_ _ _  _ 7 _  3 5 _
+_ _ _  _ _ _  _ 7 1
+_ _ _  3 _ _  6 _ 2
+
+4 _ _  9 _ _  _ _ 7
+6 _ _  8 _ _  _ 4 _
+_ _ _  1 3 _  9 _ _
+
+SOLUTION:
+7 4 2  5 9 1  8 6 3
+1 8 5  6 4 3  7 2 9
+3 6 9  7 8 2  5 1 4
+
+9 2 1  4 7 6  3 5 8
+8 3 6  2 5 9  4 7 1
+5 7 4  3 1 8  6 9 2
+
+4 1 8  9 6 5  2 3 7
+6 9 3  8 2 7  1 4 5
+2 5 7  1 3 4  9 8 6
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,8,null,6,null,null,7,null,null,0,null,1,null,2,null,null,5,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,4,7,1,null,null,null,7,3,8,null,null,null,null,null,2,null,8,1,3,null,4,5,1,null,null,null,null,6,3,null,6,null,null,null,null,null,null,null,3,null,null,6,0,null,null,null,null],"solution":[5,2,8,4,6,0,3,7,1,7,0,4,1,3,2,6,8,5,6,1,3,7,8,5,4,2,0,8,3,2,0,1,6,5,4,7,1,4,6,5,7,3,8,0,2,0,7,5,2,4,8,1,3,6,4,5,1,8,2,7,0,6,3,2,6,0,3,5,4,7,1,8,3,8,7,6,0,1,2,5,4]}
+PUZZLE:
+_ _ 9  _ 7 _  _ 8 _
+_ 1 _  2 _ 3  _ _ 6
+_ _ _  _ _ _  _ _ 1
+
+_ _ _  _ _ _  _ 5 8
+2 _ _  _ 8 4  9 _ _
+_ _ _  3 _ 9  2 4 _
+
+5 6 2  _ _ _  _ 7 4
+_ 7 _  _ _ _  _ _ _
+4 _ _  7 1 _  _ _ _
+
+SOLUTION:
+6 3 9  5 7 1  4 8 2
+8 1 5  2 4 3  7 9 6
+7 2 4  8 9 6  5 3 1
+
+9 4 3  1 2 7  6 5 8
+2 5 7  6 8 4  9 1 3
+1 8 6  3 5 9  2 4 7
+
+5 6 2  9 3 8  1 7 4
+3 7 1  4 6 5  8 2 9
+4 9 8  7 1 2  3 6 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,0,8,null,null,null,null,6,null,null,4,null,3,1,7,null,null,null,8,null,1,null,2,null,null,null,null,null,null,null,1,6,null,3,null,null,5,null,null,null,null,null,null,3,2,null,6,null,null,7,null,null,null,null,null,7,null,8,null,null,null,null,8,null,null,6,2,null,null,7,null,null,6,null,0,null,null,null,null],"solution":[2,1,7,0,8,6,5,3,4,6,5,0,4,2,3,1,7,8,4,3,8,5,1,7,2,0,6,8,0,4,2,7,1,6,5,3,7,6,5,8,3,0,4,1,2,3,2,1,6,4,5,7,8,0,0,4,2,7,5,8,3,6,1,5,8,3,1,6,2,0,4,7,1,7,6,3,0,4,8,2,5]}
+PUZZLE:
+_ _ _  1 9 _  _ _ _
+7 _ _  5 _ 4  2 8 _
+_ _ 9  _ 2 _  3 _ _
+
+_ _ _  _ _ 2  7 _ 4
+_ _ 6  _ _ _  _ _ _
+4 3 _  7 _ _  8 _ _
+
+_ _ _  8 _ 9  _ _ _
+_ 9 _  _ 7 3  _ _ 8
+_ _ 7  _ 1 _  _ _ _
+
+SOLUTION:
+3 2 8  1 9 7  6 4 5
+7 6 1  5 3 4  2 8 9
+5 4 9  6 2 8  3 1 7
+
+9 1 5  3 8 2  7 6 4
+8 7 6  9 4 1  5 2 3
+4 3 2  7 5 6  8 9 1
+
+1 5 3  8 6 9  4 7 2
+6 9 4  2 7 3  1 5 8
+2 8 7  4 1 5  9 3 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,2,null,null,null,3,6,null,4,null,null,null,1,null,null,null,null,null,null,null,0,8,7,null,5,null,null,4,null,null,null,null,7,null,8,null,null,1,7,3,null,null,null,null,null,null,3,null,null,null,null,null,null,null,0,null,null,2,null,null,8,null,1,null,null,null,null,4,1,null,7,null,null,null,null,null,null,5,null,null,null],"solution":[7,2,8,5,0,3,6,1,4,3,5,4,1,6,2,7,0,8,1,6,0,8,7,4,5,3,2,4,0,2,6,5,7,1,8,3,8,1,7,3,2,0,4,5,6,5,3,6,4,1,8,0,2,7,0,7,5,2,3,6,8,4,1,6,8,3,0,4,1,2,7,5,2,4,1,7,8,5,3,6,0]}
+PUZZLE:
+_ 3 _  _ _ 4  7 _ 5
+_ _ _  2 _ _  _ _ _
+_ _ 1  9 8 _  6 _ _
+
+5 _ _  _ _ 8  _ 9 _
+_ 2 8  4 _ _  _ _ _
+_ 4 _  _ _ _  _ _ _
+
+1 _ _  3 _ _  9 _ 2
+_ _ _  _ 5 2  _ 8 _
+_ _ _  _ _ 6  _ _ _
+
+SOLUTION:
+8 3 9  6 1 4  7 2 5
+4 6 5  2 7 3  8 1 9
+2 7 1  9 8 5  6 4 3
+
+5 1 3  7 6 8  2 9 4
+9 2 8  4 3 1  5 6 7
+6 4 7  5 2 9  1 3 8
+
+1 8 6  3 4 7  9 5 2
+7 9 4  1 5 2  3 8 6
+3 5 2  8 9 6  4 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,3,null,null,null,null,8,null,null,7,null,null,null,8,null,null,4,null,4,null,null,null,null,2,1,null,null,3,null,7,8,null,null,null,5,5,null,null,null,null,4,null,null,null,4,null,6,null,0,2,null,null,null,null,null,null,4,null,7,null,null,0,null,null,null,null,6,null,null,4,null,null,null,null,null,null,0,null,3,2],"solution":[0,6,3,2,4,1,5,8,7,2,7,1,6,5,8,3,0,4,8,4,5,0,7,3,2,1,6,1,3,0,7,8,6,4,2,5,5,2,7,1,3,4,0,6,8,4,8,6,5,0,2,1,7,3,3,1,8,4,2,7,6,5,0,7,0,2,3,6,5,8,4,1,6,5,4,8,1,0,7,3,2]}
+PUZZLE:
+_ 7 4  _ _ _  _ 9 _
+_ 8 _  _ _ 9  _ _ 5
+_ 5 _  _ _ _  3 2 _
+
+_ 4 _  8 9 _  _ _ 6
+6 _ _  _ _ 5  _ _ _
+5 _ 7  _ 1 3  _ _ _
+
+_ _ _  5 _ 8  _ _ 1
+_ _ _  _ 7 _  _ 5 _
+_ _ _  _ _ 1  _ 4 3
+
+SOLUTION:
+1 7 4  3 5 2  6 9 8
+3 8 2  7 6 9  4 1 5
+9 5 6  1 8 4  3 2 7
+
+2 4 1  8 9 7  5 3 6
+6 3 8  2 4 5  1 7 9
+5 9 7  6 1 3  2 8 4
+
+4 2 9  5 3 8  7 6 1
+8 1 3  4 7 6  9 5 2
+7 6 5  9 2 1  8 4 3
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,1,7,5,2,null,null,null,0,null,null,null,null,null,6,null,null,null,null,4,null,null,null,null,null,null,null,null,5,null,6,7,3,null,null,null,null,null,null,null,null,null,null,0,2,6,null,null,null,null,null,null,4,7,null,null,null,null,1,null,8,6,null,null,null,null,7,null,null,null,null,null,null,2,null,null,null,4,null],"solution":[3,6,4,1,7,5,2,8,0,1,0,7,3,8,2,4,6,5,2,8,5,4,6,0,3,7,1,8,4,1,5,0,6,7,3,2,7,5,3,8,2,4,0,1,6,0,2,6,7,3,1,8,5,4,4,7,2,6,5,3,1,0,8,6,1,8,0,4,7,5,2,3,5,3,0,2,1,8,6,4,7]}
+PUZZLE:
+_ _ _  2 8 6  3 _ _
+_ 1 _  _ _ _  _ 7 _
+_ _ _  5 _ _  _ _ _
+
+_ _ _  6 _ 7  8 4 _
+_ _ _  _ _ _  _ _ _
+1 3 7  _ _ _  _ _ _
+
+5 8 _  _ _ _  2 _ 9
+7 _ _  _ _ 8  _ _ _
+_ _ _  3 _ _  _ 5 _
+
+SOLUTION:
+4 7 5  2 8 6  3 9 1
+2 1 8  4 9 3  5 7 6
+3 9 6  5 7 1  4 8 2
+
+9 5 2  6 1 7  8 4 3
+8 6 4  9 3 5  1 2 7
+1 3 7  8 4 2  9 6 5
+
+5 8 3  7 6 4  2 1 9
+7 2 9  1 5 8  6 3 4
+6 4 1  3 2 9  7 5 8
+
+RATING: 3
+DATA:
+{"puzzle":[8,null,null,5,null,null,null,null,1,null,null,null,0,null,2,null,5,8,null,7,null,null,null,1,null,3,null,null,4,null,null,3,null,null,null,5,null,null,null,6,null,null,null,null,null,2,null,0,null,null,null,null,8,null,null,null,null,null,4,null,6,null,null,null,null,null,3,null,null,null,null,7,null,null,7,2,5,null,null,null,null],"solution":[8,0,2,5,7,3,4,6,1,3,1,4,0,6,2,7,5,8,6,7,5,4,8,1,0,3,2,1,4,6,8,3,0,2,7,5,7,8,3,6,2,5,1,4,0,2,5,0,7,1,4,3,8,6,5,2,8,1,4,7,6,0,3,4,6,1,3,0,8,5,2,7,0,3,7,2,5,6,8,1,4]}
+PUZZLE:
+9 _ _  6 _ _  _ _ 2
+_ _ _  1 _ 3  _ 6 9
+_ 8 _  _ _ 2  _ 4 _
+
+_ 5 _  _ 4 _  _ _ 6
+_ _ _  7 _ _  _ _ _
+3 _ 1  _ _ _  _ 9 _
+
+_ _ _  _ 5 _  7 _ _
+_ _ _  4 _ _  _ _ 8
+_ _ 8  3 6 _  _ _ _
+
+SOLUTION:
+9 1 3  6 8 4  5 7 2
+4 2 5  1 7 3  8 6 9
+7 8 6  5 9 2  1 4 3
+
+2 5 7  9 4 1  3 8 6
+8 9 4  7 3 6  2 5 1
+3 6 1  8 2 5  4 9 7
+
+6 3 9  2 5 8  7 1 4
+5 7 2  4 1 9  6 3 8
+1 4 8  3 6 7  9 2 5
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,6,null,3,0,null,null,5,null,2,null,8,null,4,null,null,null,null,null,4,null,6,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,0,8,null,2,null,null,4,null,null,null,null,null,7,null,null,0,null,null,8,null,null,4,null,null,null,null,null,1,null,null,null,5,6,2,7,null],"solution":[7,6,1,3,0,2,8,5,4,2,5,8,1,4,7,3,0,6,3,4,0,6,8,5,7,2,1,6,3,2,5,7,4,1,8,0,4,1,7,0,3,8,5,6,2,0,8,5,2,6,1,4,3,7,5,2,6,7,1,3,0,4,8,8,7,3,4,2,0,6,1,5,1,0,4,8,5,6,2,7,3]}
+PUZZLE:
+_ 7 _  4 1 _  _ 6 _
+3 _ 9  _ 5 _  _ _ _
+_ 5 _  7 _ _  _ _ _
+
+_ 4 _  _ _ _  _ _ _
+_ _ _  _ _ _  _ 7 _
+1 9 _  3 _ _  5 _ _
+
+_ _ _  8 _ _  1 _ _
+9 _ _  5 _ _  _ _ _
+2 _ _  _ 6 7  3 8 _
+
+SOLUTION:
+8 7 2  4 1 3  9 6 5
+3 6 9  2 5 8  4 1 7
+4 5 1  7 9 6  8 3 2
+
+7 4 3  6 8 5  2 9 1
+5 2 8  1 4 9  6 7 3
+1 9 6  3 7 2  5 4 8
+
+6 3 7  8 2 4  1 5 9
+9 8 4  5 3 1  7 2 6
+2 1 5  9 6 7  3 8 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,0,null,null,null,1,2,null,6,4,null,null,null,8,null,0,null,null,null,2,null,7,null,null,8,null,null,null,null,null,8,4,null,1,null,null,null,5,null,0,null,8,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,6,null,null,6,null,null,null,null,3,null,null,null,null,1,7,null,5,2,null,null],"solution":[8,5,0,4,3,6,1,2,7,6,4,7,2,1,8,5,0,3,1,3,2,5,7,0,6,8,4,2,7,3,6,8,4,0,1,5,4,1,5,3,0,2,8,7,6,0,8,6,1,5,7,4,3,2,5,2,8,0,4,3,7,6,1,7,6,4,8,2,1,3,5,0,3,0,1,7,6,5,2,4,8]}
+PUZZLE:
+_ 6 1  _ _ _  2 3 _
+7 5 _  _ _ 9  _ 1 _
+_ _ 3  _ 8 _  _ 9 _
+
+_ _ _  _ 9 5  _ 2 _
+_ _ 6  _ 1 _  9 _ _
+_ _ _  _ _ 8  _ _ _
+
+_ _ _  _ _ _  _ 7 _
+_ 7 _  _ _ _  4 _ _
+_ _ 2  8 _ 6  3 _ _
+
+SOLUTION:
+9 6 1  5 4 7  2 3 8
+7 5 8  3 2 9  6 1 4
+2 4 3  6 8 1  7 9 5
+
+3 8 4  7 9 5  1 2 6
+5 2 6  4 1 3  9 8 7
+1 9 7  2 6 8  5 4 3
+
+6 3 9  1 5 4  8 7 2
+8 7 5  9 3 2  4 6 1
+4 1 2  8 7 6  3 5 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,8,null,null,null,1,0,null,null,null,null,5,null,null,null,1,3,null,null,null,null,null,null,null,5,null,4,null,0,null,null,null,null,null,7,1,5,null,null,null,null,null,3,null,0,3,1,8,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,8,null,null,5,null,null,null,2,null,null,null,null,3,6,0,4,null,null],"solution":[7,8,3,4,5,1,0,6,2,0,4,5,8,2,6,1,3,7,6,2,1,7,0,3,5,8,4,4,0,2,6,3,5,8,7,1,5,7,6,1,8,2,3,4,0,3,1,8,0,4,7,2,5,6,1,3,4,2,7,8,6,0,5,8,6,0,5,1,4,7,2,3,2,5,7,3,6,0,4,1,8]}
+PUZZLE:
+_ 9 _  _ _ 2  1 _ _
+_ _ 6  _ _ _  2 4 _
+_ _ _  _ _ _  6 _ 5
+
+_ 1 _  _ _ _  _ 8 2
+6 _ _  _ _ _  4 _ 1
+4 2 9  _ _ _  _ _ _
+
+_ _ _  3 _ _  _ _ _
+9 _ _  6 _ _  _ 3 _
+_ _ _  4 7 1  5 _ _
+
+SOLUTION:
+8 9 4  5 6 2  1 7 3
+1 5 6  9 3 7  2 4 8
+7 3 2  8 1 4  6 9 5
+
+5 1 3  7 4 6  9 8 2
+6 8 7  2 9 3  4 5 1
+4 2 9  1 5 8  3 6 7
+
+2 4 5  3 8 9  7 1 6
+9 7 1  6 2 5  8 3 4
+3 6 8  4 7 1  5 2 9
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,7,null,null,null,2,null,8,null,1,null,3,null,null,6,null,null,null,null,5,null,8,null,null,null,null,null,5,null,null,null,null,null,null,4,null,null,null,4,null,7,null,null,6,5,null,3,null,null,null,null,null,null,2,null,1,null,2,null,5,8,7,null,null,null,null,null,0,null,null,null,null,null,null,null,1,null,null,null,null,4],"solution":[0,7,6,4,1,2,5,8,3,1,8,3,7,5,6,4,2,0,4,5,2,8,3,0,6,1,7,5,6,7,0,2,1,3,4,8,2,0,4,3,7,8,1,6,5,8,3,1,5,6,4,7,0,2,3,1,0,2,4,5,8,7,6,7,4,8,6,0,3,2,5,1,6,2,5,1,8,7,0,3,4]}
+PUZZLE:
+_ 8 _  _ _ 3  _ 9 _
+2 _ 4  _ _ 7  _ _ _
+_ 6 _  9 _ _  _ _ _
+
+6 _ _  _ _ _  _ 5 _
+_ _ 5  _ 8 _  _ 7 6
+_ 4 _  _ _ _  _ _ 3
+
+_ 2 _  3 _ 6  9 8 _
+_ _ _  _ 1 _  _ _ _
+_ _ _  2 _ _  _ _ 5
+
+SOLUTION:
+1 8 7  5 2 3  6 9 4
+2 9 4  8 6 7  5 3 1
+5 6 3  9 4 1  7 2 8
+
+6 7 8  1 3 2  4 5 9
+3 1 5  4 8 9  2 7 6
+9 4 2  6 7 5  8 1 3
+
+4 2 1  3 5 6  9 8 7
+8 5 9  7 1 4  3 6 2
+7 3 6  2 9 8  1 4 5
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,6,null,null,null,null,null,5,null,null,null,null,null,7,3,null,null,8,null,null,null,4,null,null,null,2,null,1,0,null,null,null,null,null,null,null,null,5,null,1,0,4,null,null,null,6,null,5,2,null,null,null,null,4,null,null,null,null,null,null,null,6,null,null,null,1,null,null,null,2,null,5,null,null,3,null,8,null,null,null],"solution":[1,7,6,8,3,2,0,4,5,0,4,2,6,5,7,3,8,1,8,5,3,0,4,1,6,7,2,3,1,0,4,8,6,2,5,7,2,8,5,7,1,0,4,6,3,7,6,4,5,2,3,8,1,0,4,0,8,2,7,5,1,3,6,6,3,7,1,0,4,5,2,8,5,2,1,3,6,8,7,0,4]}
+PUZZLE:
+_ _ 7  _ _ _  _ _ 6
+_ _ _  _ _ 8  4 _ _
+9 _ _  _ 5 _  _ _ 3
+
+_ 2 1  _ _ _  _ _ _
+_ _ 6  _ 2 1  5 _ _
+_ 7 _  6 3 _  _ _ _
+
+5 _ _  _ _ _  _ _ 7
+_ _ _  2 _ _  _ 3 _
+6 _ _  4 _ 9  _ _ _
+
+SOLUTION:
+2 8 7  9 4 3  1 5 6
+1 5 3  7 6 8  4 9 2
+9 6 4  1 5 2  7 8 3
+
+4 2 1  5 9 7  3 6 8
+3 9 6  8 2 1  5 7 4
+8 7 5  6 3 4  9 2 1
+
+5 1 9  3 8 6  2 4 7
+7 4 8  2 1 5  6 3 9
+6 3 2  4 7 9  8 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,0,null,6,null,null,8,null,null,null,null,null,5,4,null,null,4,1,8,null,null,null,null,null,null,6,5,null,null,null,null,null,null,null,null,3,null,8,null,null,null,null,null,null,null,null,null,3,null,1,null,null,null,null,null,null,null,null,6,null,null,null,null,2,null,null,7,null,5,0,null,null,5,null,null,1,null,4,null],"solution":[5,7,3,0,4,6,2,1,8,0,2,6,1,8,5,4,3,7,4,1,8,2,7,3,5,0,6,6,5,4,7,1,2,0,8,3,2,3,1,8,5,0,7,6,4,8,0,7,6,3,4,1,2,5,3,4,0,5,2,8,6,7,1,1,8,2,4,6,7,3,5,0,7,6,5,3,0,1,8,4,2]}
+PUZZLE:
+_ _ _  1 _ 7  _ _ 9
+_ _ _  _ _ 6  5 _ _
+5 2 9  _ _ _  _ _ _
+
+7 6 _  _ _ _  _ _ _
+_ 4 _  9 _ _  _ _ _
+_ _ _  _ 4 _  2 _ _
+
+_ _ _  _ _ _  7 _ _
+_ _ 3  _ _ 8  _ 6 1
+_ _ 6  _ _ 2  _ 5 _
+
+SOLUTION:
+6 8 4  1 5 7  3 2 9
+1 3 7  2 9 6  5 4 8
+5 2 9  3 8 4  6 1 7
+
+7 6 5  8 2 3  1 9 4
+3 4 2  9 6 1  8 7 5
+9 1 8  7 4 5  2 3 6
+
+4 5 1  6 3 9  7 8 2
+2 9 3  5 7 8  4 6 1
+8 7 6  4 1 2  9 5 3
+
+RATING: 1.25
+DATA:
+{"puzzle":[3,null,null,null,null,null,4,null,null,null,null,2,null,null,null,null,7,5,null,6,1,4,null,null,null,0,8,null,null,null,null,7,1,null,null,2,null,null,null,null,3,null,7,null,null,null,8,null,null,null,2,null,null,null,null,null,8,1,null,null,null,5,null,null,null,null,null,4,null,1,null,6,null,null,null,null,0,null,null,null,null],"solution":[3,5,0,2,8,7,4,6,1,8,4,2,6,1,0,3,7,5,7,6,1,4,5,3,2,0,8,0,3,4,5,7,1,6,8,2,6,2,5,8,3,4,7,1,0,1,8,7,0,6,2,5,3,4,4,7,8,1,2,6,0,5,3,5,0,3,7,4,8,1,2,6,2,1,6,3,0,5,8,4,7]}
+PUZZLE:
+4 _ _  _ _ _  5 _ _
+_ _ 3  _ _ _  _ 8 6
+_ 7 2  5 _ _  _ 1 9
+
+_ _ _  _ 8 2  _ _ 3
+_ _ _  _ 4 _  8 _ _
+_ 9 _  _ _ 3  _ _ _
+
+_ _ 9  2 _ _  _ 6 _
+_ _ _  _ 5 _  2 _ 7
+_ _ _  _ 1 _  _ _ _
+
+SOLUTION:
+4 6 1  3 9 8  5 7 2
+9 5 3  7 2 1  4 8 6
+8 7 2  5 6 4  3 1 9
+
+1 4 5  6 8 2  7 9 3
+7 3 6  9 4 5  8 2 1
+2 9 8  1 7 3  6 4 5
+
+5 8 9  2 3 7  1 6 4
+6 1 4  8 5 9  2 3 7
+3 2 7  4 1 6  9 5 8
+
+RATING: 1.75
+DATA:
+{"puzzle":[1,null,5,null,4,null,null,null,null,null,null,2,null,null,null,8,null,null,null,7,8,6,null,null,3,null,5,5,4,null,0,3,null,null,null,null,null,null,null,null,6,1,5,null,null,null,null,1,null,null,null,null,null,4,3,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,2,null,null,1,3],"solution":[1,3,5,8,4,7,6,2,0,4,6,2,5,0,3,8,7,1,0,7,8,6,1,2,3,4,5,5,4,7,0,3,8,1,6,2,2,0,3,4,6,1,5,8,7,6,8,1,2,7,5,0,3,4,3,2,4,1,8,0,7,5,6,7,1,6,3,5,4,2,0,8,8,5,0,7,2,6,4,1,3]}
+PUZZLE:
+2 _ 6  _ 5 _  _ _ _
+_ _ 3  _ _ _  9 _ _
+_ 8 9  7 _ _  4 _ 6
+
+6 5 _  1 4 _  _ _ _
+_ _ _  _ 7 2  6 _ _
+_ _ 2  _ _ _  _ _ 5
+
+4 _ _  _ _ 1  _ _ _
+_ _ _  _ _ _  _ 1 _
+_ _ _  _ 3 _  _ 2 4
+
+SOLUTION:
+2 4 6  9 5 8  7 3 1
+5 7 3  6 1 4  9 8 2
+1 8 9  7 2 3  4 5 6
+
+6 5 8  1 4 9  2 7 3
+3 1 4  5 7 2  6 9 8
+7 9 2  3 8 6  1 4 5
+
+4 3 5  2 9 1  8 6 7
+8 2 7  4 6 5  3 1 9
+9 6 1  8 3 7  5 2 4
+
+RATING: 3.25
+DATA:
+{"puzzle":[0,null,5,8,null,null,null,null,7,null,1,null,4,null,null,5,null,null,null,null,null,7,null,null,null,6,null,1,null,null,null,null,null,null,null,null,null,8,0,null,null,null,6,4,null,null,6,2,null,7,null,null,null,null,null,4,null,null,null,null,null,0,null,3,null,6,2,0,null,null,null,null,null,null,null,null,null,8,3,null,null],"solution":[0,2,5,8,3,6,4,1,7,6,1,7,4,2,0,5,3,8,8,3,4,7,1,5,0,6,2,1,5,3,6,8,4,7,2,0,7,8,0,1,5,2,6,4,3,4,6,2,0,7,3,1,8,5,5,4,8,3,6,7,2,0,1,3,7,6,2,0,1,8,5,4,2,0,1,5,4,8,3,7,6]}
+PUZZLE:
+1 _ 6  9 _ _  _ _ 8
+_ 2 _  5 _ _  6 _ _
+_ _ _  8 _ _  _ 7 _
+
+2 _ _  _ _ _  _ _ _
+_ 9 1  _ _ _  7 5 _
+_ 7 3  _ 8 _  _ _ _
+
+_ 5 _  _ _ _  _ 1 _
+4 _ 7  3 1 _  _ _ _
+_ _ _  _ _ 9  4 _ _
+
+SOLUTION:
+1 3 6  9 4 7  5 2 8
+7 2 8  5 3 1  6 4 9
+9 4 5  8 2 6  1 7 3
+
+2 6 4  7 9 5  8 3 1
+8 9 1  2 6 3  7 5 4
+5 7 3  1 8 4  2 9 6
+
+6 5 9  4 7 8  3 1 2
+4 8 7  3 1 2  9 6 5
+3 1 2  6 5 9  4 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,5,null,null,null,null,null,null,7,null,1,null,null,null,null,5,4,3,null,7,null,null,null,null,8,null,null,2,null,null,6,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,4,6,3,7,null,8,null,null,3,null,7,null,0,null,null,null,null,null,null,8,null,null,null,null,null,4,5,null,null,null,null],"solution":[2,0,1,5,8,3,4,7,6,6,7,8,1,4,2,3,0,5,4,3,5,7,6,0,2,1,8,7,4,2,3,0,6,5,8,1,3,1,6,8,7,5,0,4,2,8,5,0,2,1,4,6,3,7,5,8,4,6,3,1,7,2,0,1,6,3,0,2,7,8,5,4,0,2,7,4,5,8,1,6,3]}
+PUZZLE:
+3 _ _  6 _ _  _ _ _
+_ 8 _  2 _ _  _ _ 6
+5 4 _  8 _ _  _ _ 9
+
+_ _ 3  _ _ 7  _ _ _
+_ 2 _  _ _ _  _ _ _
+_ _ _  _ _ 5  7 4 8
+
+_ 9 _  _ 4 _  8 _ 1
+_ _ _  _ _ _  9 _ _
+_ _ _  5 6 _  _ _ _
+
+SOLUTION:
+3 1 2  6 9 4  5 8 7
+7 8 9  2 5 3  4 1 6
+5 4 6  8 7 1  3 2 9
+
+8 5 3  4 1 7  6 9 2
+4 2 7  9 8 6  1 5 3
+9 6 1  3 2 5  7 4 8
+
+6 9 5  7 4 2  8 3 1
+2 7 4  1 3 8  9 6 5
+1 3 8  5 6 9  2 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,6,null,null,null,null,null,null,8,5,1,null,null,null,null,null,null,5,null,null,4,null,null,null,null,null,null,null,null,null,5,null,null,2,null,null,7,null,3,null,null,null,null,7,6,null,4,null,null,3,null,null,8,null,null,null,null,3,null,0,null,null,3,null,null,1,null,6,7,null,6,null,null,7,0,4,null,null],"solution":[4,2,7,0,6,8,1,5,3,0,3,8,5,1,7,6,2,4,6,1,5,2,3,4,7,0,8,3,4,0,8,2,6,5,7,1,2,5,1,7,0,3,8,4,6,8,7,6,1,4,5,0,3,2,7,8,4,6,5,2,3,1,0,5,0,3,4,8,1,2,6,7,1,6,2,3,7,0,4,8,5]}
+PUZZLE:
+5 _ _  _ 7 _  _ _ _
+_ _ 9  6 2 _  _ _ _
+_ _ 6  _ _ 5  _ _ _
+
+_ _ _  _ _ _  6 _ _
+3 _ _  8 _ 4  _ _ _
+_ 8 7  _ 5 _  _ 4 _
+
+_ 9 _  _ _ _  4 _ 1
+_ _ 4  _ _ 2  _ 7 8
+_ 7 _  _ 8 1  5 _ _
+
+SOLUTION:
+5 3 8  1 7 9  2 6 4
+1 4 9  6 2 8  7 3 5
+7 2 6  3 4 5  8 1 9
+
+4 5 1  9 3 7  6 8 2
+3 6 2  8 1 4  9 5 7
+9 8 7  2 5 6  1 4 3
+
+8 9 5  7 6 3  4 2 1
+6 1 4  5 9 2  3 7 8
+2 7 3  4 8 1  5 9 6
+
+RATING: 3
+DATA:
+{"puzzle":[null,4,3,null,null,null,null,null,null,null,null,null,0,4,null,7,null,null,2,null,null,null,8,3,null,6,0,null,8,null,null,null,0,null,null,7,null,2,null,null,null,null,null,null,null,null,null,null,1,null,null,6,null,3,null,null,null,null,6,7,null,5,null,null,null,4,null,null,8,0,null,null,null,null,5,null,null,null,null,null,null],"solution":[0,4,3,7,1,6,5,2,8,6,5,8,0,4,2,7,3,1,2,1,7,5,8,3,4,6,0,5,8,1,6,3,0,2,4,7,3,2,6,8,7,4,1,0,5,4,7,0,1,2,5,6,8,3,1,0,2,3,6,7,8,5,4,7,3,4,2,5,8,0,1,6,8,6,5,4,0,1,3,7,2]}
+PUZZLE:
+_ 5 4  _ _ _  _ _ _
+_ _ _  1 5 _  8 _ _
+3 _ _  _ 9 4  _ 7 1
+
+_ 9 _  _ _ 1  _ _ 8
+_ 3 _  _ _ _  _ _ _
+_ _ _  2 _ _  7 _ 4
+
+_ _ _  _ 7 8  _ 6 _
+_ _ 5  _ _ 9  1 _ _
+_ _ 6  _ _ _  _ _ _
+
+SOLUTION:
+1 5 4  8 2 7  6 3 9
+7 6 9  1 5 3  8 4 2
+3 2 8  6 9 4  5 7 1
+
+6 9 2  7 4 1  3 5 8
+4 3 7  9 8 5  2 1 6
+5 8 1  2 3 6  7 9 4
+
+2 1 3  4 7 8  9 6 5
+8 4 5  3 6 9  1 2 7
+9 7 6  5 1 2  4 8 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,3,6,null,null,null,null,2,5,1,null,8,null,null,null,null,6,null,null,null,null,null,5,null,null,null,8,null,2,4,null,null,null,7,null,null,2,null,null,1,null,null,5,null,null,null,null,3,7,null,8,null,null,null,5,null,null,null,1,3,8,1,6,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null],"solution":[0,4,7,3,6,5,8,2,1,2,5,1,4,8,0,6,7,3,6,3,8,1,7,2,5,0,4,5,8,0,2,4,6,3,1,7,3,7,2,8,0,1,4,6,5,4,1,6,5,3,7,2,8,0,7,0,5,6,2,4,1,3,8,1,6,3,7,5,8,0,4,2,8,2,4,0,1,3,7,5,6]}
+PUZZLE:
+_ _ _  4 7 _  _ _ _
+3 6 2  _ 9 _  _ _ _
+7 _ _  _ _ _  6 _ _
+
+_ 9 _  3 5 _  _ _ 8
+_ _ 3  _ _ 2  _ _ 6
+_ _ _  _ 4 8  _ 9 _
+
+_ _ 6  _ _ _  2 4 9
+2 7 _  _ _ _  1 _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+1 5 8  4 7 6  9 3 2
+3 6 2  5 9 1  7 8 4
+7 4 9  2 8 3  6 1 5
+
+6 9 1  3 5 7  4 2 8
+4 8 3  9 1 2  5 7 6
+5 2 7  6 4 8  3 9 1
+
+8 1 6  7 3 5  2 4 9
+2 7 4  8 6 9  1 5 3
+9 3 5  1 2 4  8 6 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,4,null,0,null,null,null,7,null,null,null,null,null,6,null,null,null,null,3,null,null,null,8,null,6,null,null,5,null,null,null,null,null,4,2,null,8,null,null,null,null,null,null,5,null,1,2,null,1,null,3,null,null,5,null,null,4,3,null,7,5,null,2,null,null,6,null,null,null,null,null,null,null,0],"solution":[3,5,7,6,2,1,8,0,4,8,0,4,5,3,7,1,2,6,1,2,6,4,8,0,7,3,5,2,4,8,1,6,3,0,5,7,5,7,1,0,4,2,6,8,3,0,6,3,8,7,5,4,1,2,7,1,2,3,0,6,5,4,8,4,3,0,7,5,8,2,6,1,6,8,5,2,1,4,3,7,0]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 5
+_ 1 _  _ _ 8  _ _ _
+_ _ 7  _ _ _  _ 4 _
+
+_ _ 9  _ 7 _  _ 6 _
+_ _ _  _ 5 3  _ 9 _
+_ _ _  _ _ 6  _ 2 3
+
+_ 2 _  4 _ _  6 _ _
+5 4 _  8 6 _  3 _ _
+7 _ _  _ _ _  _ _ 1
+
+SOLUTION:
+4 6 8  7 3 2  9 1 5
+9 1 5  6 4 8  2 3 7
+2 3 7  5 9 1  8 4 6
+
+3 5 9  2 7 4  1 6 8
+6 8 2  1 5 3  7 9 4
+1 7 4  9 8 6  5 2 3
+
+8 2 3  4 1 7  6 5 9
+5 4 1  8 6 9  3 7 2
+7 9 6  3 2 5  4 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[3,4,null,null,null,1,null,null,null,null,null,null,4,8,null,6,null,null,7,null,null,null,null,0,null,null,null,null,null,null,null,5,null,null,null,0,5,8,null,null,null,null,null,null,null,null,null,4,3,null,null,7,null,null,8,7,null,6,null,null,null,null,null,null,null,null,5,null,8,null,2,null,null,6,null,null,null,null,null,0,null],"solution":[3,4,8,7,6,1,0,5,2,1,0,2,4,8,5,6,7,3,7,5,6,2,3,0,4,1,8,6,1,3,8,5,7,2,4,0,5,8,7,0,2,4,3,6,1,0,2,4,3,1,6,7,8,5,8,7,1,6,0,2,5,3,4,4,3,0,5,7,8,1,2,6,2,6,5,1,4,3,8,0,7]}
+PUZZLE:
+4 5 _  _ _ 2  _ _ _
+_ _ _  5 9 _  7 _ _
+8 _ _  _ _ 1  _ _ _
+
+_ _ _  _ 6 _  _ _ 1
+6 9 _  _ _ _  _ _ _
+_ _ 5  4 _ _  8 _ _
+
+9 8 _  7 _ _  _ _ _
+_ _ _  6 _ 9  _ 3 _
+_ 7 _  _ _ _  _ 1 _
+
+SOLUTION:
+4 5 9  8 7 2  1 6 3
+2 1 3  5 9 6  7 8 4
+8 6 7  3 4 1  5 2 9
+
+7 2 4  9 6 8  3 5 1
+6 9 8  1 3 5  4 7 2
+1 3 5  4 2 7  8 9 6
+
+9 8 2  7 1 3  6 4 5
+5 4 1  6 8 9  2 3 7
+3 7 6  2 5 4  9 1 8
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,null,6,null,4,null,2,null,null,null,null,4,null,null,null,8,null,5,1,null,null,8,null,6,null,null,null,null,null,null,null,6,null,null,3,null,null,4,1,null,null,null,null,5,2,null,null,null,7,null,null,null,2,null,4,0,null,null,3,null,null,null,3,null,null,null,1,8,null,null,null,null,null,null,null,null,2,null,0],"solution":[8,0,3,7,6,5,4,1,2,7,6,2,1,4,3,5,0,8,4,5,1,2,0,8,7,6,3,1,4,8,3,5,0,6,2,7,3,7,6,4,1,2,0,8,5,5,2,0,6,8,7,1,3,4,2,8,4,0,7,6,3,5,1,0,3,7,5,2,1,8,4,6,6,1,5,8,3,4,2,7,0]}
+PUZZLE:
+_ _ _  _ 7 _  5 _ 3
+_ _ _  _ 5 _  _ _ 9
+_ 6 2  _ _ 9  _ 7 _
+
+_ _ _  _ _ _  7 _ _
+4 _ _  5 2 _  _ _ _
+6 3 _  _ _ 8  _ _ _
+
+3 _ 5  1 _ _  4 _ _
+_ 4 _  _ _ 2  9 _ _
+_ _ _  _ _ _  3 _ 1
+
+SOLUTION:
+9 1 4  8 7 6  5 2 3
+8 7 3  2 5 4  6 1 9
+5 6 2  3 1 9  8 7 4
+
+2 5 9  4 6 1  7 3 8
+4 8 7  5 2 3  1 9 6
+6 3 1  7 9 8  2 4 5
+
+3 9 5  1 8 7  4 6 2
+1 4 8  6 3 2  9 5 7
+7 2 6  9 4 5  3 8 1
+
+RATING: 5.25
+DATA:
+{"puzzle":[null,0,null,2,null,8,null,null,null,5,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4,7,null,8,3,null,null,null,null,7,null,null,null,null,2,null,0,null,null,null,null,6,null,4,8,3,6,null,null,null,0,null,6,null,null,null,0,null,5,null,null,7,null,null,null,null,null,null,null],"solution":[4,0,1,2,7,8,3,6,5,5,8,6,4,3,1,0,2,7,7,3,2,5,0,6,4,8,1,6,5,0,1,2,4,7,3,8,3,1,4,6,8,7,5,0,2,8,2,7,0,5,3,1,4,6,1,4,8,3,6,5,2,7,0,2,6,3,7,1,0,8,5,4,0,7,5,8,4,2,6,1,3]}
+PUZZLE:
+_ 1 _  3 _ 9  _ _ _
+6 _ _  _ _ _  1 _ _
+_ _ _  _ _ _  _ _ 2
+
+_ _ _  _ _ 5  8 _ 9
+4 _ _  _ _ 8  _ _ _
+_ 3 _  1 _ _  _ _ 7
+
+_ 5 9  4 7 _  _ _ 1
+_ 7 _  _ _ 1  _ 6 _
+_ 8 _  _ _ _  _ _ _
+
+SOLUTION:
+5 1 2  3 8 9  4 7 6
+6 9 7  5 4 2  1 3 8
+8 4 3  6 1 7  5 9 2
+
+7 6 1  2 3 5  8 4 9
+4 2 5  7 9 8  6 1 3
+9 3 8  1 6 4  2 5 7
+
+2 5 9  4 7 6  3 8 1
+3 7 4  8 2 1  9 6 5
+1 8 6  9 5 3  7 2 4
+
+RATING: 3.75
+DATA:
+{"puzzle":[1,null,null,null,null,4,null,null,null,null,2,null,5,null,null,null,null,0,null,null,null,8,1,null,7,null,null,null,1,null,null,null,2,null,7,5,null,null,8,4,null,5,null,null,null,null,null,null,null,null,3,6,null,null,null,null,null,null,null,null,1,null,7,null,null,7,null,null,null,4,3,null,3,null,null,null,4,null,null,null,null],"solution":[1,8,0,7,2,4,5,6,3,7,2,4,5,3,6,8,1,0,5,3,6,8,1,0,7,4,2,4,1,3,6,8,2,0,7,5,6,7,8,4,0,5,3,2,1,0,5,2,1,7,3,6,8,4,2,4,5,3,6,8,1,0,7,8,0,7,2,5,1,4,3,6,3,6,1,0,4,7,2,5,8]}
+PUZZLE:
+2 _ _  _ _ 5  _ _ _
+_ 3 _  6 _ _  _ _ 1
+_ _ _  9 2 _  8 _ _
+
+_ 2 _  _ _ 3  _ 8 6
+_ _ 9  5 _ 6  _ _ _
+_ _ _  _ _ 4  7 _ _
+
+_ _ _  _ _ _  2 _ 8
+_ _ 8  _ _ _  5 4 _
+4 _ _  _ 5 _  _ _ _
+
+SOLUTION:
+2 9 1  8 3 5  6 7 4
+8 3 5  6 4 7  9 2 1
+6 4 7  9 2 1  8 5 3
+
+5 2 4  7 9 3  1 8 6
+7 8 9  5 1 6  4 3 2
+1 6 3  2 8 4  7 9 5
+
+3 5 6  4 7 9  2 1 8
+9 1 8  3 6 2  5 4 7
+4 7 2  1 5 8  3 6 9
+
+RATING: 2.5
+DATA:
+{"puzzle":[3,null,6,4,null,0,null,8,null,null,4,null,null,null,1,null,null,null,5,null,null,3,null,null,null,null,null,6,null,null,null,null,3,7,1,null,null,5,null,null,null,null,4,null,null,null,8,null,null,null,6,null,null,0,1,null,null,null,8,7,null,5,null,null,7,2,1,null,null,null,null,null,null,null,null,null,0,null,2,null,null],"solution":[3,2,6,4,7,0,1,8,5,0,4,7,8,5,1,6,2,3,5,1,8,3,6,2,0,4,7,6,0,4,5,2,3,7,1,8,7,5,3,0,1,8,4,6,2,2,8,1,7,4,6,5,3,0,1,6,0,2,8,7,3,5,4,4,7,2,1,3,5,8,0,6,8,3,5,6,0,4,2,7,1]}
+PUZZLE:
+4 _ 7  5 _ 1  _ 9 _
+_ 5 _  _ _ 2  _ _ _
+6 _ _  4 _ _  _ _ _
+
+7 _ _  _ _ 4  8 2 _
+_ 6 _  _ _ _  5 _ _
+_ 9 _  _ _ 7  _ _ 1
+
+2 _ _  _ 9 8  _ 6 _
+_ 8 3  2 _ _  _ _ _
+_ _ _  _ 1 _  3 _ _
+
+SOLUTION:
+4 3 7  5 8 1  2 9 6
+1 5 8  9 6 2  7 3 4
+6 2 9  4 7 3  1 5 8
+
+7 1 5  6 3 4  8 2 9
+8 6 4  1 2 9  5 7 3
+3 9 2  8 5 7  6 4 1
+
+2 7 1  3 9 8  4 6 5
+5 8 3  2 4 6  9 1 7
+9 4 6  7 1 5  3 8 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[6,2,null,null,null,3,null,null,null,null,4,null,null,0,null,null,null,8,null,null,null,null,null,6,null,5,null,3,null,null,1,4,null,null,6,null,8,null,1,null,null,null,null,null,null,null,null,null,6,null,null,7,null,null,null,8,null,0,1,null,null,null,null,null,null,2,5,null,null,4,null,3,null,null,null,null,null,null,null,null,0],"solution":[6,2,8,4,5,3,0,1,7,7,4,5,2,0,1,6,3,8,1,3,0,8,7,6,2,5,4,3,0,7,1,4,5,8,6,2,8,6,1,7,2,0,3,4,5,2,5,4,6,3,8,7,0,1,4,8,3,0,1,2,5,7,6,0,1,2,5,6,7,4,8,3,5,7,6,3,8,4,1,2,0]}
+PUZZLE:
+7 3 _  _ _ 4  _ _ _
+_ 5 _  _ 1 _  _ _ 9
+_ _ _  _ _ 7  _ 6 _
+
+4 _ _  2 5 _  _ 7 _
+9 _ 2  _ _ _  _ _ _
+_ _ _  7 _ _  8 _ _
+
+_ 9 _  1 2 _  _ _ _
+_ _ 3  6 _ _  5 _ 4
+_ _ _  _ _ _  _ _ 1
+
+SOLUTION:
+7 3 9  5 6 4  1 2 8
+8 5 6  3 1 2  7 4 9
+2 4 1  9 8 7  3 6 5
+
+4 1 8  2 5 6  9 7 3
+9 7 2  8 3 1  4 5 6
+3 6 5  7 4 9  8 1 2
+
+5 9 4  1 2 3  6 8 7
+1 2 3  6 7 8  5 9 4
+6 8 7  4 9 5  2 3 1
+
+RATING: 0
+DATA:
+{"puzzle":[7,null,null,3,null,null,null,null,null,null,2,null,null,0,null,null,null,null,8,null,null,null,4,null,3,2,null,3,null,1,6,null,null,7,null,2,5,8,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,4,6,3,null,null,null,null,null,6,null,null,4,0,null,1,null,5,null,null,null,null,7],"solution":[7,6,4,3,5,2,0,1,8,1,2,3,8,0,6,5,7,4,8,5,0,1,4,7,3,2,6,3,4,1,6,8,5,7,0,2,5,8,7,0,2,3,4,6,1,6,0,2,4,7,1,8,5,3,0,7,8,2,1,4,6,3,5,2,3,5,7,6,8,1,4,0,4,1,6,5,3,0,2,8,7]}
+PUZZLE:
+8 _ _  4 _ _  _ _ _
+_ 3 _  _ 1 _  _ _ _
+9 _ _  _ 5 _  4 3 _
+
+4 _ 2  7 _ _  8 _ 3
+6 9 8  _ _ _  _ _ _
+_ _ _  _ _ _  _ _ 4
+
+_ _ _  _ _ 5  7 4 _
+_ _ _  _ 7 _  _ 5 1
+_ 2 _  6 _ _  _ _ 8
+
+SOLUTION:
+8 7 5  4 6 3  1 2 9
+2 3 4  9 1 7  6 8 5
+9 6 1  2 5 8  4 3 7
+
+4 5 2  7 9 6  8 1 3
+6 9 8  1 3 4  5 7 2
+7 1 3  5 8 2  9 6 4
+
+1 8 9  3 2 5  7 4 6
+3 4 6  8 7 9  2 5 1
+5 2 7  6 4 1  3 9 8
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,7,null,8,3,null,null,2,null,6,null,null,7,null,null,null,null,3,null,2,null,null,null,null,null,1,8,null,null,4,null,null,null,null,null,null,null,null,2,4,null,3,null,null,null,1,null,null,6,8,null,null,null,null,null,null,1,null,2,0,null,null,null,null,null,null,null,null,null,null,null,null,5,3,7,null,null,null],"solution":[1,4,6,0,7,5,8,3,2,8,2,0,6,1,3,7,5,4,5,7,3,4,2,8,0,6,1,7,1,8,3,6,4,2,0,5,6,0,5,7,8,2,4,1,3,2,3,4,1,5,0,6,8,7,3,6,7,8,4,1,5,2,0,4,5,1,2,0,6,3,7,8,0,8,2,5,3,7,1,4,6]}
+PUZZLE:
+_ _ _  _ 8 _  9 4 _
+_ 3 _  7 _ _  8 _ _
+_ _ 4  _ 3 _  _ _ _
+
+_ 2 9  _ _ 5  _ _ _
+_ _ _  _ _ 3  5 _ 4
+_ _ _  2 _ _  7 9 _
+
+_ _ _  _ _ 2  _ 3 1
+_ _ _  _ _ _  _ _ _
+_ _ _  6 4 8  _ _ _
+
+SOLUTION:
+2 5 7  1 8 6  9 4 3
+9 3 1  7 2 4  8 6 5
+6 8 4  5 3 9  1 7 2
+
+8 2 9  4 7 5  3 1 6
+7 1 6  8 9 3  5 2 4
+3 4 5  2 6 1  7 9 8
+
+4 7 8  9 5 2  6 3 1
+5 6 2  3 1 7  4 8 9
+1 9 3  6 4 8  2 5 7
+
+RATING: 0
+DATA:
+{"puzzle":[8,4,null,3,null,null,5,null,null,null,null,null,null,null,null,8,0,null,null,null,null,0,2,null,4,null,null,0,null,null,null,null,6,3,null,null,null,5,1,null,0,null,null,null,null,null,6,4,null,null,null,null,null,0,null,8,null,null,null,null,null,null,7,4,null,2,null,7,null,null,5,null,null,null,5,null,null,null,null,8,null],"solution":[8,4,0,3,6,7,5,1,2,6,2,7,1,5,4,8,0,3,5,1,3,0,2,8,4,7,6,0,7,8,2,1,6,3,4,5,2,5,1,4,0,3,7,6,8,3,6,4,7,8,5,1,2,0,1,8,6,5,4,2,0,3,7,4,3,2,8,7,0,6,5,1,7,0,5,6,3,1,2,8,4]}
+PUZZLE:
+9 5 _  4 _ _  6 _ _
+_ _ _  _ _ _  9 1 _
+_ _ _  1 3 _  5 _ _
+
+1 _ _  _ _ 7  4 _ _
+_ 6 2  _ 1 _  _ _ _
+_ 7 5  _ _ _  _ _ 1
+
+_ 9 _  _ _ _  _ _ 8
+5 _ 3  _ 8 _  _ 6 _
+_ _ 6  _ _ _  _ 9 _
+
+SOLUTION:
+9 5 1  4 7 8  6 2 3
+7 3 8  2 6 5  9 1 4
+6 2 4  1 3 9  5 8 7
+
+1 8 9  3 2 7  4 5 6
+3 6 2  5 1 4  8 7 9
+4 7 5  8 9 6  2 3 1
+
+2 9 7  6 5 3  1 4 8
+5 4 3  9 8 1  7 6 2
+8 1 6  7 4 2  3 9 5
+
+RATING: 4.25
+DATA:
+{"puzzle":[null,null,7,null,null,null,null,null,8,null,2,null,null,8,null,null,null,4,null,null,null,6,2,null,null,null,null,null,null,0,null,3,null,null,4,null,2,null,null,null,null,4,0,null,null,null,null,5,8,null,null,null,null,null,null,null,null,null,4,null,null,1,5,null,7,null,null,null,5,null,null,6,null,null,3,null,null,null,7,null,null],"solution":[0,1,7,4,5,3,2,6,8,3,2,6,0,8,1,5,7,4,5,8,4,6,2,7,1,0,3,7,6,0,5,3,2,8,4,1,2,3,8,1,6,4,0,5,7,1,4,5,8,7,0,6,3,2,6,0,2,7,4,8,3,1,5,8,7,1,3,0,5,4,2,6,4,5,3,2,1,6,7,8,0]}
+PUZZLE:
+_ _ 8  _ _ _  _ _ 9
+_ 3 _  _ 9 _  _ _ 5
+_ _ _  7 3 _  _ _ _
+
+_ _ 1  _ 4 _  _ 5 _
+3 _ _  _ _ 5  1 _ _
+_ _ 6  9 _ _  _ _ _
+
+_ _ _  _ 5 _  _ 2 6
+_ 8 _  _ _ 6  _ _ 7
+_ _ 4  _ _ _  8 _ _
+
+SOLUTION:
+1 2 8  5 6 4  3 7 9
+4 3 7  1 9 2  6 8 5
+6 9 5  7 3 8  2 1 4
+
+8 7 1  6 4 3  9 5 2
+3 4 9  2 7 5  1 6 8
+2 5 6  9 8 1  7 4 3
+
+7 1 3  8 5 9  4 2 6
+9 8 2  4 1 6  5 3 7
+5 6 4  3 2 7  8 9 1
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,6,3,null,null,null,null,2,4,0,null,null,3,null,null,1,null,null,2,null,null,null,null,null,null,null,0,null,3,null,null,null,6,2,null,null,null,null,null,null,8,1,null,6,null,null,null,null,0,null,null,null,null,null,8,null,null,7,null,null,null,null,null,null,null,null,null,null,0,7,3,2,null,2,null,null,5,null,null,0,null],"solution":[7,6,3,1,0,8,5,2,4,0,5,8,3,4,2,1,7,6,2,1,4,5,6,7,3,8,0,1,3,0,4,7,6,2,5,8,4,7,5,2,8,1,0,6,3,6,8,2,0,3,5,4,1,7,8,0,1,7,2,3,6,4,5,5,4,6,8,1,0,7,3,2,3,2,7,6,5,4,8,0,1]}
+PUZZLE:
+_ 7 4  _ _ _  _ 3 5
+1 _ _  4 _ _  2 _ _
+3 _ _  _ _ _  _ _ 1
+
+_ 4 _  _ _ 7  3 _ _
+_ _ _  _ 9 2  _ 7 _
+_ _ _  1 _ _  _ _ _
+
+9 _ _  8 _ _  _ _ _
+_ _ _  _ _ 1  8 4 3
+_ 3 _  _ 6 _  _ 1 _
+
+SOLUTION:
+8 7 4  2 1 9  6 3 5
+1 6 9  4 5 3  2 8 7
+3 2 5  6 7 8  4 9 1
+
+2 4 1  5 8 7  3 6 9
+5 8 6  3 9 2  1 7 4
+7 9 3  1 4 6  5 2 8
+
+9 1 2  8 3 4  7 5 6
+6 5 7  9 2 1  8 4 3
+4 3 8  7 6 5  9 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,4,6,null,null,null,3,null,null,null,null,null,3,null,null,null,4,null,3,null,4,0,null,2,null,null,null,null,null,null,4,null,3,null,0,null,null,null,5,null,null,null,7,null,null,null,7,null,null,null,null,null,null,7,null,null,null,8,null,null,5,null,null,null,5,null,null,null,null,null,null,null,null,6,null,2,null,1,null,null],"solution":[0,1,4,6,5,2,7,3,8,5,7,2,8,3,1,6,0,4,6,3,8,4,0,7,2,1,5,2,5,1,7,4,8,3,6,0,4,6,3,5,1,0,8,7,2,8,0,7,2,6,3,5,4,1,7,2,0,1,8,6,4,5,3,1,8,5,3,7,4,0,2,6,3,4,6,0,2,5,1,8,7]}
+PUZZLE:
+_ 2 5  7 _ _  _ 4 _
+_ _ _  _ 4 _  _ _ 5
+_ 4 _  5 1 _  3 _ _
+
+_ _ _  _ 5 _  4 _ 1
+_ _ _  6 _ _  _ 8 _
+_ _ 8  _ _ _  _ _ _
+
+8 _ _  _ 9 _  _ 6 _
+_ _ 6  _ _ _  _ _ _
+_ _ 7  _ 3 _  2 _ _
+
+SOLUTION:
+1 2 5  7 6 3  8 4 9
+6 8 3  9 4 2  7 1 5
+7 4 9  5 1 8  3 2 6
+
+3 6 2  8 5 9  4 7 1
+5 7 4  6 2 1  9 8 3
+9 1 8  3 7 4  6 5 2
+
+8 3 1  2 9 7  5 6 4
+2 9 6  4 8 5  1 3 7
+4 5 7  1 3 6  2 9 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,7,null,null,null,2,null,3,null,null,0,null,null,3,null,null,null,null,3,null,null,null,null,null,8,null,null,null,2,null,null,4,8,null,null,6,null,null,3,null,null,null,null,0,null,null,4,null,8,0,null,7,1,null,null,null,null,null,null,null,6,null,null,null,null,8,7,null,null,null,null,0,6,null,null,4,null,null,null,null],"solution":[5,1,7,6,0,8,2,4,3,8,4,0,7,2,3,1,5,6,2,3,6,4,1,5,0,8,7,7,0,2,1,6,4,8,3,5,6,8,1,3,5,7,4,2,0,3,5,4,2,8,0,6,7,1,4,7,8,0,3,1,5,6,2,1,2,5,8,7,6,3,0,4,0,6,3,5,4,2,7,1,8]}
+PUZZLE:
+_ _ 8  _ _ _  3 _ 4
+_ _ 1  _ _ 4  _ _ _
+_ 4 _  _ _ _  _ 9 _
+
+_ _ 3  _ _ 5  9 _ _
+7 _ _  4 _ _  _ _ 1
+_ _ 5  _ 9 1  _ 8 2
+
+_ _ _  _ _ _  _ 7 _
+_ _ _  9 8 _  _ _ _
+1 7 _  _ 5 _  _ _ _
+
+SOLUTION:
+6 2 8  7 1 9  3 5 4
+9 5 1  8 3 4  2 6 7
+3 4 7  5 2 6  1 9 8
+
+8 1 3  2 7 5  9 4 6
+7 9 2  4 6 8  5 3 1
+4 6 5  3 9 1  7 8 2
+
+5 8 9  1 4 2  6 7 3
+2 3 6  9 8 7  4 1 5
+1 7 4  6 5 3  8 2 9
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,3,8,null,null,null,6,null,null,6,5,null,null,null,null,null,null,0,4,null,null,null,null,null,null,null,null,null,7,3,null,1,4,5,null,null,null,null,6,5,null,7,null,null,8,null,null,null,null,null,null,null,2,null,null,null,1,null,7,null,null,1,3,null,null,null,null,8,null,null,null,null,5,null,null,3,null,null,null],"solution":[7,5,1,3,8,2,4,0,6,8,2,6,5,0,4,3,1,7,3,0,4,1,7,6,5,8,2,0,6,2,7,3,8,1,4,5,4,1,3,0,6,5,2,7,8,5,8,7,4,2,1,6,3,0,2,4,8,6,1,0,7,5,3,1,3,0,2,5,7,8,6,4,6,7,5,8,4,3,0,2,1]}
+PUZZLE:
+_ _ _  4 9 _  _ _ 7
+_ _ 7  6 _ _  _ _ _
+_ 1 5  _ _ _  _ _ _
+
+_ _ _  8 4 _  2 5 6
+_ _ _  _ 7 6  _ 8 _
+_ 9 _  _ _ _  _ _ _
+
+3 _ _  _ 2 _  8 _ _
+2 4 _  _ _ _  9 _ _
+_ _ 6  _ _ 4  _ _ _
+
+SOLUTION:
+8 6 2  4 9 3  5 1 7
+9 3 7  6 1 5  4 2 8
+4 1 5  2 8 7  6 9 3
+
+1 7 3  8 4 9  2 5 6
+5 2 4  1 7 6  3 8 9
+6 9 8  5 3 2  7 4 1
+
+3 5 9  7 2 1  8 6 4
+2 4 1  3 6 8  9 7 5
+7 8 6  9 5 4  1 3 2
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,0,null,4,null,null,null,6,null,null,null,7,null,null,0,2,null,4,null,5,null,null,null,3,1,null,null,1,4,8,6,null,null,null,null,null,null,6,null,null,null,1,4,null,null,null,null,null,2,null,null,null,null,null,null,8,null,null,null,7,null,null,null,5,null,null,null,null,2,null,null,3,null,null,null,null,0,null,null,null,null],"solution":[2,0,1,4,5,8,3,6,7,8,3,7,1,6,0,2,5,4,6,5,4,7,2,3,1,8,0,1,4,8,6,7,5,0,3,2,3,6,2,0,8,1,4,7,5,0,7,5,2,3,4,6,1,8,4,8,0,3,1,7,5,2,6,5,1,6,8,4,2,7,0,3,7,2,3,5,0,6,8,4,1]}
+PUZZLE:
+_ 1 _  5 _ _  _ 7 _
+_ _ 8  _ _ 1  3 _ 5
+_ 6 _  _ _ 4  2 _ _
+
+2 5 9  7 _ _  _ _ _
+_ 7 _  _ _ 2  5 _ _
+_ _ _  3 _ _  _ _ _
+
+_ 9 _  _ _ 8  _ _ _
+6 _ _  _ _ 3  _ _ 4
+_ _ _  _ 1 _  _ _ _
+
+SOLUTION:
+3 1 2  5 6 9  4 7 8
+9 4 8  2 7 1  3 6 5
+7 6 5  8 3 4  2 9 1
+
+2 5 9  7 8 6  1 4 3
+4 7 3  1 9 2  5 8 6
+1 8 6  3 4 5  7 2 9
+
+5 9 1  4 2 8  6 3 7
+6 2 7  9 5 3  8 1 4
+8 3 4  6 1 7  9 5 2
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,7,null,null,0,null,4,6,null,3,null,null,null,null,null,null,null,null,null,5,2,null,8,null,7,null,7,5,null,4,null,6,1,null,null,null,1,null,null,null,null,5,null,4,null,null,null,null,null,null,null,3,null,null,null,0,null,null,null,null,2,null,null,null,8,null,null,1,6,null,null,null,null,null,null,0,null,4,null,null],"solution":[2,8,7,5,1,0,3,4,6,0,3,1,7,6,4,2,5,8,4,6,5,2,3,8,0,7,1,7,5,3,4,2,6,1,8,0,8,1,2,0,7,3,5,6,4,6,0,4,1,8,5,7,3,2,1,4,0,6,5,7,8,2,3,5,2,8,3,4,1,6,0,7,3,7,6,8,0,2,4,1,5]}
+PUZZLE:
+_ _ 8  _ _ 1  _ 5 7
+_ 4 _  _ _ _  _ _ _
+_ _ 6  3 _ 9  _ 8 _
+
+8 6 _  5 _ 7  2 _ _
+_ 2 _  _ _ _  6 _ 5
+_ _ _  _ _ _  _ 4 _
+
+_ _ 1  _ _ _  _ 3 _
+_ _ 9  _ _ 2  7 _ _
+_ _ _  _ 1 _  5 _ _
+
+SOLUTION:
+3 9 8  6 2 1  4 5 7
+1 4 2  8 7 5  3 6 9
+5 7 6  3 4 9  1 8 2
+
+8 6 4  5 3 7  2 9 1
+9 2 3  1 8 4  6 7 5
+7 1 5  2 9 6  8 4 3
+
+2 5 1  7 6 8  9 3 4
+6 3 9  4 5 2  7 1 8
+4 8 7  9 1 3  5 2 6
+
+RATING: 6.5
+DATA:
+{"puzzle":[2,7,null,null,null,null,null,null,8,null,null,6,null,null,null,2,1,4,null,null,null,null,8,null,null,null,null,4,null,2,1,null,null,null,null,null,null,null,null,3,null,null,5,null,1,null,null,null,null,4,0,8,null,null,3,null,null,null,null,2,null,7,null,null,null,null,null,null,null,null,null,null,6,null,4,7,null,null,null,5,null],"solution":[2,7,5,0,1,4,6,3,8,8,0,6,5,7,3,2,1,4,1,4,3,2,8,6,7,0,5,4,3,2,1,5,8,0,6,7,0,6,8,3,2,7,5,4,1,5,1,7,6,4,0,8,2,3,3,5,1,8,6,2,4,7,0,7,2,0,4,3,5,1,8,6,6,8,4,7,0,1,3,5,2]}
+PUZZLE:
+3 8 _  _ _ _  _ _ 9
+_ _ 7  _ _ _  3 2 5
+_ _ _  _ 9 _  _ _ _
+
+5 _ 3  2 _ _  _ _ _
+_ _ _  4 _ _  6 _ 2
+_ _ _  _ 5 1  9 _ _
+
+4 _ _  _ _ 3  _ 8 _
+_ _ _  _ _ _  _ _ _
+7 _ 5  8 _ _  _ 6 _
+
+SOLUTION:
+3 8 6  1 2 5  7 4 9
+9 1 7  6 8 4  3 2 5
+2 5 4  3 9 7  8 1 6
+
+5 4 3  2 6 9  1 7 8
+1 7 9  4 3 8  6 5 2
+6 2 8  7 5 1  9 3 4
+
+4 6 2  9 7 3  5 8 1
+8 3 1  5 4 6  2 9 7
+7 9 5  8 1 2  4 6 3
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,2,null,null,null,0,5,null,0,null,null,null,null,null,null,null,null,null,7,null,4,null,null,null,null,null,1,null,null,0,null,2,3,4,null,null,null,null,6,null,null,null,null,2,null,6,3,1,null,null,8,null,null,4,null,null,null,6,7,null,null,null,5,0,8,null,null,null,null,null,null,null,null,null,null,null,1,null,2,null],"solution":[3,8,2,7,1,6,0,5,4,0,1,4,3,5,8,2,6,7,6,7,5,4,2,0,1,8,3,1,5,7,0,8,2,3,4,6,8,4,0,6,3,5,7,1,2,2,6,3,1,7,4,8,0,5,4,2,1,8,6,7,5,3,0,5,0,8,2,4,3,6,7,1,7,3,6,5,0,1,4,2,8]}
+PUZZLE:
+_ _ 3  _ _ _  1 6 _
+1 _ _  _ _ _  _ _ _
+_ 8 _  5 _ _  _ _ _
+
+2 _ _  1 _ 3  4 5 _
+_ _ _  7 _ _  _ _ 3
+_ 7 4  2 _ _  9 _ _
+
+5 _ _  _ 7 8  _ _ _
+6 1 9  _ _ _  _ _ _
+_ _ _  _ _ 2  _ 3 _
+
+SOLUTION:
+4 9 3  8 2 7  1 6 5
+1 2 5  4 6 9  3 7 8
+7 8 6  5 3 1  2 9 4
+
+2 6 8  1 9 3  4 5 7
+9 5 1  7 4 6  8 2 3
+3 7 4  2 8 5  9 1 6
+
+5 3 2  9 7 8  6 4 1
+6 1 9  3 5 4  7 8 2
+8 4 7  6 1 2  5 3 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,6,null,null,7,1,null,8,null,null,null,null,0,null,null,5,null,null,7,null,5,null,null,null,3,null,6,null,null,null,null,null,null,null,null,null,4,null,null,7,5,null,8,7,null,null,null,null,null,3,null,null,null,null,null,null,null,8,null,0,1,null,null,5,null,null,null,null,null,4,null,0,3,null,2,null,null,null,null],"solution":[5,4,0,6,8,3,7,1,2,8,3,1,2,7,0,4,6,5,6,2,7,1,5,4,0,8,3,3,6,2,8,4,5,1,7,0,0,1,4,3,6,7,5,2,8,7,5,8,0,1,2,3,4,6,4,7,6,5,3,8,2,0,1,2,8,5,7,0,1,6,3,4,1,0,3,4,2,6,8,5,7]}
+PUZZLE:
+_ _ _  7 _ _  8 2 _
+9 _ _  _ _ 1  _ _ 6
+_ _ 8  _ 6 _  _ _ 4
+
+_ 7 _  _ _ _  _ _ _
+_ _ 5  _ _ 8  6 _ 9
+8 _ _  _ _ _  4 _ _
+
+_ _ _  _ _ 9  _ 1 2
+_ _ 6  _ _ _  _ _ 5
+_ 1 4  _ 3 _  _ _ _
+
+SOLUTION:
+6 5 1  7 9 4  8 2 3
+9 4 2  3 8 1  5 7 6
+7 3 8  2 6 5  1 9 4
+
+4 7 3  9 5 6  2 8 1
+1 2 5  4 7 8  6 3 9
+8 6 9  1 2 3  4 5 7
+
+5 8 7  6 4 9  3 1 2
+3 9 6  8 1 2  7 4 5
+2 1 4  5 3 7  9 6 8
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,2,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,8,6,3,7,null,2,null,0,null,null,null,null,null,null,null,4,null,null,null,0,null,6,1,null,null,null,null,null,7,null,5,2,null,null,2,4,null,null,null,null,null,null,null,null,null,6,null,5,null,3,null,null,null,5,null,3,7,null,null,null,0],"solution":[3,7,5,2,0,4,6,1,8,6,2,0,5,1,8,7,4,3,4,1,8,6,3,7,0,2,5,0,6,7,1,2,3,8,5,4,5,8,2,0,4,6,1,3,7,1,3,4,7,8,5,2,0,6,2,4,3,8,6,0,5,7,1,7,0,6,4,5,1,3,8,2,8,5,1,3,7,2,4,6,0]}
+PUZZLE:
+_ _ _  3 _ _  _ _ 9
+_ _ _  _ _ _  _ _ _
+_ _ 9  7 4 8  _ 3 _
+
+1 _ _  _ _ _  _ _ 5
+_ _ _  1 _ 7  2 _ _
+_ _ _  8 _ 6  3 _ _
+
+3 5 _  _ _ _  _ _ _
+_ _ 7  _ 6 _  4 _ _
+_ 6 _  4 8 _  _ _ 1
+
+SOLUTION:
+4 8 6  3 1 5  7 2 9
+7 3 1  6 2 9  8 5 4
+5 2 9  7 4 8  1 3 6
+
+1 7 8  2 3 4  9 6 5
+6 9 3  1 5 7  2 4 8
+2 4 5  8 9 6  3 1 7
+
+3 5 4  9 7 1  6 8 2
+8 1 7  5 6 2  4 9 3
+9 6 2  4 8 3  5 7 1
+
+RATING: 1
+DATA:
+{"puzzle":[5,8,null,null,null,null,null,null,0,null,null,null,null,7,null,8,null,2,null,null,1,null,null,4,null,null,5,null,0,null,null,8,null,null,1,null,1,6,null,5,null,null,null,null,null,null,null,null,null,null,null,6,null,null,2,1,null,null,null,null,null,5,null,7,null,8,null,3,6,null,null,null,null,null,0,null,null,null,null,null,null],"solution":[5,8,7,3,6,2,1,4,0,0,4,3,1,7,5,8,6,2,6,2,1,8,0,4,7,3,5,3,0,2,6,8,7,5,1,4,1,6,4,5,2,3,0,7,8,8,7,5,4,1,0,6,2,3,2,1,6,0,4,8,3,5,7,7,5,8,2,3,6,4,0,1,4,3,0,7,5,1,2,8,6]}
+PUZZLE:
+6 9 _  _ _ _  _ _ 1
+_ _ _  _ 8 _  9 _ 3
+_ _ 2  _ _ 5  _ _ 6
+
+_ 1 _  _ 9 _  _ 2 _
+2 7 _  6 _ _  _ _ _
+_ _ _  _ _ _  7 _ _
+
+3 2 _  _ _ _  _ 6 _
+8 _ 9  _ 4 7  _ _ _
+_ _ 1  _ _ _  _ _ _
+
+SOLUTION:
+6 9 8  4 7 3  2 5 1
+1 5 4  2 8 6  9 7 3
+7 3 2  9 1 5  8 4 6
+
+4 1 3  7 9 8  6 2 5
+2 7 5  6 3 4  1 8 9
+9 8 6  5 2 1  7 3 4
+
+3 2 7  1 5 9  4 6 8
+8 6 9  3 4 7  5 1 2
+5 4 1  8 6 2  3 9 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,6,2,1,null,4,null,null,null,null,null,null,null,0,null,4,null,8,null,null,null,null,null,null,null,null,null,null,7,5,null,null,8,null,3,null,2,null,null,null,7,null,null,8,null,null,null,null,null,null,null,null,2,6,null,8,null,null,null,3,0,7,null,null,null,4,8,null,null,null,null,null,6,null,null,null,null,2,null,null,null],"solution":[0,6,2,1,8,4,3,5,7,1,5,3,2,0,7,4,6,8,8,4,7,5,3,6,2,0,1,4,7,5,6,2,8,1,3,0,2,0,6,3,7,1,5,8,4,3,1,8,0,4,5,7,2,6,5,8,1,4,6,3,0,7,2,7,2,4,8,5,0,6,1,3,6,3,0,7,1,2,8,4,5]}
+PUZZLE:
+_ 7 3  2 _ 5  _ _ _
+_ _ _  _ 1 _  5 _ 9
+_ _ _  _ _ _  _ _ _
+
+_ 8 6  _ _ 9  _ 4 _
+3 _ _  _ 8 _  _ 9 _
+_ _ _  _ _ _  _ 3 7
+
+_ 9 _  _ _ 4  1 8 _
+_ _ 5  9 _ _  _ _ _
+7 _ _  _ _ 3  _ _ _
+
+SOLUTION:
+1 7 3  2 9 5  4 6 8
+2 6 4  3 1 8  5 7 9
+9 5 8  6 4 7  3 1 2
+
+5 8 6  7 3 9  2 4 1
+3 1 7  4 8 2  6 9 5
+4 2 9  1 5 6  8 3 7
+
+6 9 2  5 7 4  1 8 3
+8 3 5  9 6 1  7 2 4
+7 4 1  8 2 3  9 5 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,0,2,7,null,null,1,3,1,null,null,null,null,null,null,7,null,4,null,null,null,null,null,6,null,null,null,null,5,null,0,null,1,null,null,3,null,null,null,6,null,null,null,7,null,null,4,null,null,null,null,2,null,2,null,null,null,null,8,null,null,null,null,0,7,null,null,null,2,3,6,null,null,null,null,null,null,null,0,null],"solution":[6,8,0,2,7,4,5,1,3,1,5,3,6,8,0,4,7,2,4,7,2,3,5,1,6,8,0,7,2,5,4,0,3,1,6,8,3,1,8,5,6,2,0,4,7,0,6,4,8,1,7,3,2,5,2,4,6,0,3,8,7,5,1,8,0,7,1,4,5,2,3,6,5,3,1,7,2,6,8,0,4]}
+PUZZLE:
+_ _ 1  3 8 _  _ 2 4
+2 _ _  _ _ _  _ 8 _
+5 _ _  _ _ _  7 _ _
+
+_ _ 6  _ 1 _  2 _ _
+4 _ _  _ 7 _  _ _ 8
+_ _ 5  _ _ _  _ 3 _
+
+3 _ _  _ _ 9  _ _ _
+_ 1 8  _ _ _  3 4 7
+_ _ _  _ _ _  _ 1 _
+
+SOLUTION:
+7 9 1  3 8 5  6 2 4
+2 6 4  7 9 1  5 8 3
+5 8 3  4 6 2  7 9 1
+
+8 3 6  5 1 4  2 7 9
+4 2 9  6 7 3  1 5 8
+1 7 5  9 2 8  4 3 6
+
+3 5 7  1 4 9  8 6 2
+9 1 8  2 5 6  3 4 7
+6 4 2  8 3 7  9 1 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,5,null,3,null,null,1,null,1,0,null,null,2,null,null,5,null,null,4,8,null,null,null,null,null,null,null,null,null,null,8,0,4,2,null,4,null,null,null,null,null,0,null,null,null,null,null,6,null,5,null,null,null,7,null,null,null,null,null,null,null,null,null,5,null,3,null,null,null,null,0,null,6,null,5,null,4,null,3,2],"solution":[6,7,5,0,3,8,2,1,4,1,0,3,4,2,7,6,5,8,2,4,8,1,5,6,3,0,7,5,1,6,7,8,0,4,2,3,4,8,7,2,1,3,0,6,5,3,2,0,6,4,5,7,8,1,7,3,2,8,0,1,5,4,6,8,5,4,3,6,2,1,7,0,0,6,1,5,7,4,8,3,2]}
+PUZZLE:
+_ _ 6  _ 4 _  _ 2 _
+2 1 _  _ 3 _  _ 6 _
+_ 5 9  _ _ _  _ _ _
+
+_ _ _  _ 9 1  5 3 _
+5 _ _  _ _ _  1 _ _
+_ _ _  7 _ 6  _ _ _
+
+8 _ _  _ _ _  _ _ _
+_ 6 _  4 _ _  _ _ 1
+_ 7 _  6 _ 5  _ 4 3
+
+SOLUTION:
+7 8 6  1 4 9  3 2 5
+2 1 4  5 3 8  7 6 9
+3 5 9  2 6 7  4 1 8
+
+6 2 7  8 9 1  5 3 4
+5 9 8  3 2 4  1 7 6
+4 3 1  7 5 6  8 9 2
+
+8 4 3  9 1 2  6 5 7
+9 6 5  4 7 3  2 8 1
+1 7 2  6 8 5  9 4 3
+
+RATING: 2.75
+DATA:
+{"puzzle":[0,3,null,null,null,6,null,null,1,null,4,null,null,null,null,7,null,5,null,null,null,8,4,null,null,null,null,null,null,null,7,null,null,3,null,null,4,5,null,0,null,null,null,6,null,8,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,3,null,7,null,null,1,null,null,0,null,1,8,null,null,null,5,null,null,2],"solution":[0,3,8,5,7,6,2,4,1,2,4,6,1,3,0,7,8,5,7,1,5,8,4,2,0,3,6,6,0,1,7,5,8,3,2,4,4,5,3,0,2,1,8,6,7,8,2,7,4,6,3,1,5,0,5,6,0,2,8,7,4,1,3,3,7,2,6,1,4,5,0,8,1,8,4,3,0,5,6,7,2]}
+PUZZLE:
+1 4 _  _ _ 7  _ _ 2
+_ 5 _  _ _ _  8 _ 6
+_ _ _  9 5 _  _ _ _
+
+_ _ _  8 _ _  4 _ _
+5 6 _  1 _ _  _ 7 _
+9 _ _  _ _ _  _ 6 _
+
+_ _ _  _ _ _  _ _ 4
+_ 8 _  _ 2 _  _ 1 _
+2 9 _  _ _ 6  _ _ 3
+
+SOLUTION:
+1 4 9  6 8 7  3 5 2
+3 5 7  2 4 1  8 9 6
+8 2 6  9 5 3  1 4 7
+
+7 1 2  8 6 9  4 3 5
+5 6 4  1 3 2  9 7 8
+9 3 8  5 7 4  2 6 1
+
+6 7 1  3 9 8  5 2 4
+4 8 3  7 2 5  6 1 9
+2 9 5  4 1 6  7 8 3
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,3,null,null,null,0,5,null,null,null,2,null,null,null,null,7,null,5,null,null,6,7,8,null,null,null,null,null,null,null,null,0,1,null,null,null,null,5,null,null,2,null,0,null,null,null,null,null,6,null,4,null,null,null,null,4,null,null,null,null,1,null,7,2,null,4,null,null,null,null,0,null,0,null,5,null,null,8,null,4],"solution":[6,7,3,2,1,4,0,5,8,8,4,2,0,5,3,6,7,1,5,1,0,6,7,8,3,4,2,2,6,7,3,4,0,1,8,5,4,3,5,1,8,2,7,0,6,0,8,1,7,6,5,4,2,3,3,5,4,8,0,6,2,1,7,7,2,8,4,3,1,5,6,0,1,0,6,5,2,7,8,3,4]}
+PUZZLE:
+_ _ 4  _ _ _  1 6 _
+_ _ 3  _ _ _  _ 8 _
+6 _ _  7 8 9  _ _ _
+
+_ _ _  _ _ 1  2 _ _
+_ _ 6  _ _ 3  _ 1 _
+_ _ _  _ 7 _  5 _ _
+
+_ _ 5  _ _ _  _ 2 _
+8 3 _  5 _ _  _ _ 1
+_ 1 _  6 _ _  9 _ 5
+
+SOLUTION:
+7 8 4  3 2 5  1 6 9
+9 5 3  1 6 4  7 8 2
+6 2 1  7 8 9  4 5 3
+
+3 7 8  4 5 1  2 9 6
+5 4 6  2 9 3  8 1 7
+1 9 2  8 7 6  5 3 4
+
+4 6 5  9 1 7  3 2 8
+8 3 9  5 4 2  6 7 1
+2 1 7  6 3 8  9 4 5
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,0,4,null,null,null,8,null,1,0,null,null,3,null,null,null,null,null,null,1,null,null,null,null,0,null,4,3,null,null,null,6,2,null,null,null,null,null,8,null,null,null,null,7,null,2,null,null,4,null,null,null,null,null,8,null,null,6,null,1,3,null,2,7,null,null,null,null,null,null,null,null,null,null,null,null,8,null,4],"solution":[3,7,5,0,4,2,1,6,8,6,1,0,8,5,3,7,4,2,2,8,4,1,6,7,3,5,0,8,4,3,7,0,1,6,2,5,0,6,1,2,8,5,4,3,7,7,5,2,6,3,4,0,8,1,5,0,8,4,7,6,2,1,3,4,2,7,3,1,8,5,0,6,1,3,6,5,2,0,8,7,4]}
+PUZZLE:
+_ _ _  1 5 _  _ _ 9
+_ 2 1  _ _ 4  _ _ _
+_ _ _  2 _ _  _ _ 1
+
+_ 5 4  _ _ _  7 3 _
+_ _ _  _ 9 _  _ _ _
+8 _ 3  _ _ 5  _ _ _
+
+_ _ 9  _ _ 7  _ 2 4
+_ 3 8  _ _ _  _ _ _
+_ _ _  _ _ _  9 _ 5
+
+SOLUTION:
+4 8 6  1 5 3  2 7 9
+7 2 1  9 6 4  8 5 3
+3 9 5  2 7 8  4 6 1
+
+9 5 4  8 1 2  7 3 6
+1 7 2  3 9 6  5 4 8
+8 6 3  7 4 5  1 9 2
+
+6 1 9  5 8 7  3 2 4
+5 3 8  4 2 9  6 1 7
+2 4 7  6 3 1  9 8 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,0,null,6,null,null,null,null,null,null,null,7,null,null,2,null,2,null,null,null,null,null,5,0,null,null,null,null,4,0,null,3,null,6,null,1,5,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,7,null,8,2,null,null,null,4,null,3,null,null,null,null,7,null,null,6,5,null,3,null,null],"solution":[4,1,7,2,0,5,6,8,3,0,6,5,3,8,7,4,1,2,8,2,3,4,1,6,7,5,0,2,7,8,1,4,0,5,3,6,6,4,1,5,2,3,0,7,8,3,5,0,7,6,8,2,4,1,1,3,6,0,7,4,8,2,5,5,0,4,8,3,2,1,6,7,7,8,2,6,5,1,3,0,4]}
+PUZZLE:
+_ _ _  _ 1 _  7 _ _
+_ _ _  _ _ 8  _ _ 3
+_ 3 _  _ _ _  _ 6 1
+
+_ _ _  _ 5 1  _ 4 _
+7 _ 2  6 _ _  _ _ _
+_ 6 _  _ _ _  _ _ _
+
+_ _ _  _ 8 _  9 3 _
+_ _ 5  _ 4 _  _ _ _
+8 _ _  7 6 _  4 _ _
+
+SOLUTION:
+5 2 8  3 1 6  7 9 4
+1 7 6  4 9 8  5 2 3
+9 3 4  5 2 7  8 6 1
+
+3 8 9  2 5 1  6 4 7
+7 5 2  6 3 4  1 8 9
+4 6 1  8 7 9  3 5 2
+
+2 4 7  1 8 5  9 3 6
+6 1 5  9 4 3  2 7 8
+8 9 3  7 6 2  4 1 5
+
+RATING: 3.75
+DATA:
+{"puzzle":[1,4,6,null,null,null,null,null,2,null,null,null,null,null,null,null,4,null,null,null,null,null,null,2,null,null,0,null,0,1,4,2,null,5,7,null,null,null,7,null,null,null,null,0,null,6,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,8,null,5,null,0,7,null,null,1,null,null,null,6,2,null,null,null,null,null,null],"solution":[1,4,6,0,8,7,3,5,2,0,2,8,3,6,5,7,4,1,3,7,5,1,4,2,8,6,0,8,0,1,4,2,3,5,7,6,2,3,7,6,5,1,4,0,8,6,5,4,8,7,0,2,1,3,7,1,3,2,0,4,6,8,5,5,8,0,7,3,6,1,2,4,4,6,2,5,1,8,0,3,7]}
+PUZZLE:
+2 5 7  _ _ _  _ _ 3
+_ _ _  _ _ _  _ 5 _
+_ _ _  _ _ 3  _ _ 1
+
+_ 1 2  5 3 _  6 8 _
+_ _ 8  _ _ _  _ 1 _
+7 _ _  9 _ _  _ _ _
+
+_ _ _  _ _ _  _ 9 _
+6 _ 1  8 _ _  2 _ _
+_ 7 3  _ _ _  _ _ _
+
+SOLUTION:
+2 5 7  1 9 8  4 6 3
+1 3 9  4 7 6  8 5 2
+4 8 6  2 5 3  9 7 1
+
+9 1 2  5 3 4  6 8 7
+3 4 8  7 6 2  5 1 9
+7 6 5  9 8 1  3 2 4
+
+8 2 4  3 1 5  7 9 6
+6 9 1  8 4 7  2 3 5
+5 7 3  6 2 9  1 4 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,5,null,null,1,null,null,null,null,null,null,null,null,6,null,5,7,null,3,null,null,null,null,null,4,null,6,0,null,null,null,null,null,null,null,null,4,null,null,null,0,2,null,null,3,null,null,null,2,null,4,6,1,7,null,null,2,null,null,null,null,null,null,null,null,1,7,null,null,3,null,null,null,null,4,0,null,null,null],"solution":[6,0,8,5,7,4,1,3,2,4,2,1,0,8,3,6,7,5,7,5,3,2,6,1,8,0,4,2,6,0,4,5,8,3,1,7,5,1,4,7,3,6,0,2,8,8,3,7,1,0,2,5,4,6,1,7,6,3,2,5,4,8,0,0,4,5,8,1,7,2,6,3,3,8,2,6,4,0,7,5,1]}
+PUZZLE:
+_ _ _  6 _ _  2 _ _
+_ _ _  _ _ _  7 _ 6
+8 _ 4  _ _ _  _ _ 5
+
+_ 7 1  _ _ _  _ _ _
+_ _ 5  _ _ _  1 3 _
+_ 4 _  _ _ 3  _ 5 7
+
+2 8 _  _ 3 _  _ _ _
+_ _ _  _ 2 8  _ _ 4
+_ _ _  _ 5 1  _ _ _
+
+SOLUTION:
+7 1 9  6 8 5  2 4 3
+5 3 2  1 9 4  7 8 6
+8 6 4  3 7 2  9 1 5
+
+3 7 1  5 6 9  4 2 8
+6 2 5  8 4 7  1 3 9
+9 4 8  2 1 3  6 5 7
+
+2 8 7  4 3 6  5 9 1
+1 5 6  9 2 8  3 7 4
+4 9 3  7 5 1  8 6 2
+
+RATING: 2
+DATA:
+{"puzzle":[5,null,2,null,null,1,4,null,null,8,null,null,6,null,null,null,null,null,null,null,null,7,5,null,null,null,null,null,6,null,4,null,5,null,2,null,4,null,0,null,2,null,null,null,null,null,null,null,null,null,null,null,3,null,null,8,null,5,4,null,6,7,null,0,5,null,null,8,null,null,null,null,null,null,null,null,null,null,2,8,null],"solution":[5,0,2,8,3,1,4,6,7,8,7,3,6,0,4,5,1,2,1,4,6,7,5,2,3,0,8,3,6,8,4,7,5,0,2,1,4,1,0,3,2,8,7,5,6,7,2,5,1,6,0,8,3,4,2,8,1,5,4,3,6,7,0,0,5,7,2,8,6,1,4,3,6,3,4,0,1,7,2,8,5]}
+PUZZLE:
+6 _ 3  _ _ 2  5 _ _
+9 _ _  7 _ _  _ _ _
+_ _ _  8 6 _  _ _ _
+
+_ 7 _  5 _ 6  _ 3 _
+5 _ 1  _ 3 _  _ _ _
+_ _ _  _ _ _  _ 4 _
+
+_ 9 _  6 5 _  7 8 _
+1 6 _  _ 9 _  _ _ _
+_ _ _  _ _ _  3 9 _
+
+SOLUTION:
+6 1 3  9 4 2  5 7 8
+9 8 4  7 1 5  6 2 3
+2 5 7  8 6 3  4 1 9
+
+4 7 9  5 8 6  1 3 2
+5 2 1  4 3 9  8 6 7
+8 3 6  2 7 1  9 4 5
+
+3 9 2  6 5 4  7 8 1
+1 6 8  3 9 7  2 5 4
+7 4 5  1 2 8  3 9 6
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,8,4,null,null,0,null,null,7,null,null,null,null,null,6,3,null,null,5,1,null,null,2,null,null,null,null,null,null,2,null,null,8,null,null,null,null,null,3,8,0,null,null,null,null,null,null,null,null,5,null,null,null,3,0,null,null,7,null,null,4,null,5,null,null,null,null,null,null,6,null,null,null,null,8,4,null,null,null,null],"solution":[6,3,8,4,5,7,0,1,2,7,4,2,1,0,8,6,3,5,0,5,1,6,3,2,4,8,7,1,7,3,2,6,4,8,5,0,4,2,5,3,8,0,1,7,6,8,6,0,7,1,5,3,2,4,3,0,6,5,7,1,2,4,8,5,8,4,0,2,3,7,6,1,2,1,7,8,4,6,5,0,3]}
+PUZZLE:
+_ _ 9  5 _ _  1 _ _
+8 _ _  _ _ _  7 4 _
+_ 6 2  _ _ 3  _ _ _
+
+_ _ _  3 _ _  9 _ _
+_ _ _  4 9 1  _ _ _
+_ _ _  _ _ 6  _ _ _
+
+4 1 _  _ 8 _  _ 5 _
+6 _ _  _ _ _  _ 7 _
+_ _ _  9 5 _  _ _ _
+
+SOLUTION:
+7 4 9  5 6 8  1 2 3
+8 5 3  2 1 9  7 4 6
+1 6 2  7 4 3  5 9 8
+
+2 8 4  3 7 5  9 6 1
+5 3 6  4 9 1  2 8 7
+9 7 1  8 2 6  4 3 5
+
+4 1 7  6 8 2  3 5 9
+6 9 5  1 3 4  8 7 2
+3 2 8  9 5 7  6 1 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,null,null,null,null,null,null,null,6,2,null,null,null,1,null,null,null,null,null,0,5,null,null,null,8,0,null,null,null,null,6,null,null,null,null,7,null,null,null,8,4,null,null,null,3,4,7,null,null,null,null,null,null,null,null,1,7,null,2,null,null,null,null,1,null,null,null,null,null,null,null,2,5,null,0,null,null,null,3],"solution":[8,4,0,3,6,1,5,2,7,5,6,2,4,8,7,1,3,0,3,1,7,0,5,2,6,4,8,0,5,8,2,4,6,3,7,1,1,7,6,5,3,8,4,0,2,2,3,4,7,1,0,8,6,5,4,0,3,1,7,5,2,8,6,7,8,1,6,2,3,0,5,4,6,2,5,8,0,4,7,1,3]}
+PUZZLE:
+_ 5 _  _ _ _  _ _ _
+_ 7 3  _ _ _  2 _ _
+_ _ _  1 6 _  _ _ 9
+
+1 _ _  _ _ 7  _ _ _
+_ 8 _  _ _ 9  5 _ _
+_ 4 5  8 _ _  _ _ _
+
+_ _ _  2 8 _  3 _ _
+_ _ 2  _ _ _  _ _ _
+_ 3 6  _ 1 _  _ _ 4
+
+SOLUTION:
+9 5 1  4 7 2  6 3 8
+6 7 3  5 9 8  2 4 1
+4 2 8  1 6 3  7 5 9
+
+1 6 9  3 5 7  4 8 2
+2 8 7  6 4 9  5 1 3
+3 4 5  8 2 1  9 7 6
+
+5 1 4  2 8 6  3 9 7
+8 9 2  7 3 4  1 6 5
+7 3 6  9 1 5  8 2 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,null,8,5,null,null,null,null,null,null,null,null,null,3,2,null,null,null,1,8,0,null,null,5,null,null,null,2,null,null,null,null,null,0,null,5,null,3,null,null,null,6,null,null,null,null,null,null,null,null,7,null,8,null,null,null,3,8,null,null,null,null,null,null,null,5,null,2,null,1,null,null,6,null,null,4,null,null,2,null],"solution":[3,7,2,8,5,1,0,6,4,0,5,4,6,7,3,2,8,1,6,1,8,0,2,4,5,7,3,7,2,6,4,3,8,1,0,5,5,8,3,7,1,0,6,4,2,1,4,0,2,6,5,7,3,8,2,0,1,3,8,6,4,5,7,4,3,7,5,0,2,8,1,6,8,6,5,1,4,7,3,2,0]}
+PUZZLE:
+_ 8 _  9 6 _  _ _ _
+_ _ _  _ _ 4  3 _ _
+_ 2 9  1 _ _  6 _ _
+
+_ 3 _  _ _ _  _ 1 _
+6 _ 4  _ _ _  7 _ _
+_ _ _  _ _ _  8 _ 9
+
+_ _ _  4 9 _  _ _ _
+_ _ _  6 _ 3  _ 2 _
+_ 7 _  _ 5 _  _ 3 _
+
+SOLUTION:
+4 8 3  9 6 2  1 7 5
+1 6 5  7 8 4  3 9 2
+7 2 9  1 3 5  6 8 4
+
+8 3 7  5 4 9  2 1 6
+6 9 4  8 2 1  7 5 3
+2 5 1  3 7 6  8 4 9
+
+3 1 2  4 9 7  5 6 8
+5 4 8  6 1 3  9 2 7
+9 7 6  2 5 8  4 3 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,null,7,1,4,null,3,7,null,null,null,null,null,null,0,null,null,null,null,8,2,4,null,null,null,null,null,7,null,null,null,null,null,null,6,null,5,null,null,null,8,null,null,null,null,1,null,null,5,null,3,null,null,null,null,null,1,null,0,null,null,null,3,null,null,null,2,7,5,null,null,null,null,null,null,6,null,8,null],"solution":[5,6,8,0,7,1,4,2,3,7,4,2,6,5,3,1,0,8,0,1,3,8,2,4,5,6,7,3,0,7,2,4,8,6,1,5,6,2,5,1,3,0,8,7,4,4,8,1,7,6,5,2,3,0,8,5,6,3,1,7,0,4,2,1,3,0,4,8,2,7,5,6,2,7,4,5,0,6,3,8,1]}
+PUZZLE:
+_ 7 _  _ 8 2  5 _ 4
+8 _ _  _ _ _  _ 1 _
+_ _ _  9 3 5  _ _ _
+
+_ _ 8  _ _ _  _ _ _
+7 _ 6  _ _ _  9 _ _
+_ _ 2  _ _ 6  _ 4 _
+
+_ _ _  _ 2 _  1 _ _
+_ 4 _  _ _ 3  8 6 _
+_ _ _  _ _ 7  _ 9 _
+
+SOLUTION:
+6 7 9  1 8 2  5 3 4
+8 5 3  7 6 4  2 1 9
+1 2 4  9 3 5  6 7 8
+
+4 1 8  3 5 9  7 2 6
+7 3 6  2 4 1  9 8 5
+5 9 2  8 7 6  3 4 1
+
+9 6 7  4 2 8  1 5 3
+2 4 1  5 9 3  8 6 7
+3 8 5  6 1 7  4 9 2
+
+RATING: 1
+DATA:
+{"puzzle":[7,null,5,8,null,0,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,null,6,null,null,null,null,6,null,null,1,null,0,null,null,null,7,null,null,6,null,4,null,8,null,8,null,5,null,null,null,null,null,6,null,null,null,8,2,null,null,1,null,2,null,null,null,null,null,null,7,null,0,null,null,5,4,null,6,null],"solution":[7,1,5,8,2,0,6,3,4,8,4,6,3,7,5,2,1,0,2,3,0,1,4,6,7,8,5,5,6,2,4,1,8,0,7,3,0,7,1,2,6,3,4,5,8,3,8,4,5,0,7,1,2,6,6,5,7,0,8,2,3,4,1,4,2,8,6,3,1,5,0,7,1,0,3,7,5,4,8,6,2]}
+PUZZLE:
+8 _ 6  9 _ 1  _ _ _
+_ _ _  _ _ _  _ 2 _
+_ _ _  _ _ 7  _ _ _
+
+_ 7 _  _ 2 _  1 _ _
+_ 8 _  _ 7 _  5 _ 9
+_ 9 _  6 _ _  _ _ _
+
+7 _ _  _ 9 3  _ _ 2
+_ 3 _  _ _ _  _ _ 8
+_ 1 _  _ 6 5  _ 7 _
+
+SOLUTION:
+8 2 6  9 3 1  7 4 5
+9 5 7  4 8 6  3 2 1
+3 4 1  2 5 7  8 9 6
+
+6 7 3  5 2 9  1 8 4
+1 8 2  3 7 4  5 6 9
+4 9 5  6 1 8  2 3 7
+
+7 6 8  1 9 3  4 5 2
+5 3 9  7 4 2  6 1 8
+2 1 4  8 6 5  9 7 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,3,null,null,null,null,null,null,null,null,null,4,null,8,3,null,2,null,8,null,null,null,2,null,null,7,7,null,null,null,null,1,null,3,8,null,null,5,null,2,0,1,null,null,null,null,null,null,null,7,4,null,null,null,null,4,null,null,null,null,6,null,2,5,null,0,null,null,8,null,null,null,0,null,null,null,6,null,null,null],"solution":[4,2,3,7,0,5,6,8,1,5,1,7,4,6,8,3,0,2,6,8,0,1,3,2,5,4,7,7,6,2,5,4,1,0,3,8,8,4,5,3,2,0,1,7,6,0,3,1,6,8,7,4,2,5,1,7,4,8,5,3,2,6,0,2,5,6,0,7,4,8,1,3,3,0,8,2,1,6,7,5,4]}
+PUZZLE:
+_ _ 4  _ _ _  _ _ _
+_ _ _  5 _ 9  4 _ 3
+_ 9 _  _ _ 3  _ _ 8
+
+8 _ _  _ _ 2  _ 4 9
+_ _ 6  _ 3 1  2 _ _
+_ _ _  _ _ 8  5 _ _
+
+_ _ 5  _ _ _  _ 7 _
+3 6 _  1 _ _  9 _ _
+_ 1 _  _ _ 7  _ _ _
+
+SOLUTION:
+5 3 4  8 1 6  7 9 2
+6 2 8  5 7 9  4 1 3
+7 9 1  2 4 3  6 5 8
+
+8 7 3  6 5 2  1 4 9
+9 5 6  4 3 1  2 8 7
+1 4 2  7 9 8  5 3 6
+
+2 8 5  9 6 4  3 7 1
+3 6 7  1 8 5  9 2 4
+4 1 9  3 2 7  8 6 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,4,null,null,null,null,8,3,1,7,null,null,null,null,null,null,6,null,null,null,null,null,8,null,0,7,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,2,null,1,null,3,null,7,5,null,6,null,null,8,1,null,null,null,3,null,null,null,6,null,null,null,null,null,5,null,null,null,5,null,null,7,1,null],"solution":[2,0,7,6,4,8,1,5,3,8,3,1,7,2,5,4,6,0,5,6,4,0,3,1,2,8,7,0,7,3,2,5,6,8,4,1,6,8,5,4,1,0,3,7,2,4,1,2,3,8,7,5,0,6,7,5,8,1,0,2,6,3,4,1,4,6,8,7,3,0,2,5,3,2,0,5,6,4,7,1,8]}
+PUZZLE:
+_ _ _  _ 5 _  _ _ _
+9 4 2  8 _ _  _ _ _
+_ 7 _  _ _ _  _ 9 _
+
+1 8 _  _ _ _  _ _ _
+_ _ _  _ 2 _  _ _ 3
+_ 2 _  4 _ 8  6 _ 7
+
+_ _ 9  2 _ _  _ 4 _
+_ _ 7  _ _ _  _ _ 6
+_ _ _  6 _ _  8 2 _
+
+SOLUTION:
+3 1 8  7 5 9  2 6 4
+9 4 2  8 3 6  5 7 1
+6 7 5  1 4 2  3 9 8
+
+1 8 4  3 6 7  9 5 2
+7 9 6  5 2 1  4 8 3
+5 2 3  4 9 8  6 1 7
+
+8 6 9  2 1 3  7 4 5
+2 5 7  9 8 4  1 3 6
+4 3 1  6 7 5  8 2 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,7,null,3,null,4,null,null,null,6,null,null,5,4,null,null,null,0,null,null,1,null,null,null,7,null,null,null,8,null,0,null,2,null,null,null,null,6,null,null,5,null,null,null,2,null,null,null,7,null,null,1,null,null,3,null,null,null,1,null,null,null,7,null,null,null,null,null,3,0,null,null,null,5,null,null,null,null,2,null],"solution":[8,2,7,6,3,0,4,5,1,1,6,3,7,5,4,0,8,2,0,5,4,1,2,8,6,7,3,5,1,8,4,0,6,2,3,7,3,7,6,2,1,5,8,4,0,2,4,0,8,7,3,5,1,6,4,3,2,0,8,1,7,6,5,7,8,1,5,6,2,3,0,4,6,0,5,3,4,7,1,2,8]}
+PUZZLE:
+_ _ 8  _ 4 _  5 _ _
+_ 7 _  _ 6 5  _ _ _
+1 _ _  2 _ _  _ 8 _
+
+_ _ 9  _ 1 _  3 _ _
+_ _ 7  _ _ 6  _ _ _
+3 _ _  _ 8 _  _ 2 _
+
+_ 4 _  _ _ 2  _ _ _
+8 _ _  _ _ _  4 1 _
+_ _ 6  _ _ _  _ 3 _
+
+SOLUTION:
+9 3 8  7 4 1  5 6 2
+2 7 4  8 6 5  1 9 3
+1 6 5  2 3 9  7 8 4
+
+6 2 9  5 1 7  3 4 8
+4 8 7  3 2 6  9 5 1
+3 5 1  9 8 4  6 2 7
+
+5 4 3  1 9 2  8 7 6
+8 9 2  6 7 3  4 1 5
+7 1 6  4 5 8  2 3 9
+
+RATING: 1.75
+DATA:
+{"puzzle":[0,null,null,null,null,null,4,null,null,2,null,3,null,7,4,null,null,6,null,1,null,null,0,null,null,5,null,null,null,8,null,6,null,null,null,1,null,7,null,null,1,null,null,null,8,null,null,null,null,null,null,3,null,null,null,5,null,null,null,null,null,null,4,null,null,null,null,null,null,6,8,null,3,null,0,null,null,6,null,null,7],"solution":[0,6,5,8,3,1,4,7,2,2,8,3,5,7,4,0,1,6,4,1,7,6,0,2,8,5,3,5,3,8,2,6,0,7,4,1,6,7,4,3,1,5,2,0,8,1,0,2,7,4,8,3,6,5,8,5,6,0,2,7,1,3,4,7,2,1,4,5,3,6,8,0,3,4,0,1,8,6,5,2,7]}
+PUZZLE:
+1 _ _  _ _ _  5 _ _
+3 _ 4  _ 8 5  _ _ 7
+_ 2 _  _ 1 _  _ 6 _
+
+_ _ 9  _ 7 _  _ _ 2
+_ 8 _  _ 2 _  _ _ 9
+_ _ _  _ _ _  4 _ _
+
+_ 6 _  _ _ _  _ _ 5
+_ _ _  _ _ _  7 9 _
+4 _ 1  _ _ 7  _ _ 8
+
+SOLUTION:
+1 7 6  9 4 2  5 8 3
+3 9 4  6 8 5  1 2 7
+5 2 8  7 1 3  9 6 4
+
+6 4 9  3 7 1  8 5 2
+7 8 5  4 2 6  3 1 9
+2 1 3  8 5 9  4 7 6
+
+9 6 7  1 3 8  2 4 5
+8 3 2  5 6 4  7 9 1
+4 5 1  2 9 7  6 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,null,null,null,null,5,null,null,null,null,null,6,null,null,null,1,null,0,2,null,null,8,null,null,null,null,1,3,null,null,2,null,7,6,null,null,1,null,null,null,null,null,null,7,4,null,null,5,null,4,3,null,null,2,null,null,7,null,null,null,7,null,null,null,null,null,null,null,0,5,null,null,null,8,null],"solution":[1,0,2,4,6,5,7,3,8,4,8,5,3,2,7,0,1,6,3,7,6,1,8,0,2,5,4,8,6,4,0,5,1,3,7,2,2,5,7,6,3,8,1,4,0,0,3,1,2,7,4,8,6,5,6,4,3,8,1,2,5,0,7,5,1,8,7,0,6,4,2,3,7,2,0,5,4,3,6,8,1]}
+PUZZLE:
+_ _ _  5 _ _  _ _ _
+_ _ 6  _ _ _  _ _ 7
+_ _ _  2 _ 1  3 _ _
+
+9 _ _  _ _ 2  4 _ _
+3 _ 8  7 _ _  2 _ _
+_ _ _  _ 8 5  _ _ 6
+
+_ 5 4  _ _ 3  _ _ 8
+_ _ _  8 _ _  _ _ _
+_ _ 1  6 _ _  _ 9 _
+
+SOLUTION:
+2 1 3  5 7 6  8 4 9
+5 9 6  4 3 8  1 2 7
+4 8 7  2 9 1  3 6 5
+
+9 7 5  1 6 2  4 8 3
+3 6 8  7 4 9  2 5 1
+1 4 2  3 8 5  9 7 6
+
+7 5 4  9 2 3  6 1 8
+6 2 9  8 1 7  5 3 4
+8 3 1  6 5 4  7 9 2
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,5,null,6,null,null,null,null,null,4,8,6,null,null,3,null,null,null,null,null,null,8,2,4,null,null,null,null,null,5,null,null,8,null,3,2,null,7,null,null,null,6,null,1,null,null,null,8,0,7,null,null,0,5,null,null,null,null,null,null,null,7,null,0,null,null,1,null,null,1,null,3,null,null,null,null,null,null],"solution":[4,8,7,3,5,2,6,0,1,0,2,1,4,8,6,7,5,3,3,5,6,7,0,1,8,2,4,7,6,0,2,4,5,3,1,8,8,3,2,1,7,0,5,4,6,5,1,4,6,3,8,0,7,2,2,0,5,8,1,3,4,6,7,6,7,8,0,2,4,1,3,5,1,4,3,5,6,7,2,8,0]}
+PUZZLE:
+_ _ _  _ 6 _  7 _ _
+_ _ _  5 9 7  _ _ 4
+_ _ _  _ _ _  9 3 5
+
+_ _ _  _ _ 6  _ _ 9
+_ 4 3  _ 8 _  _ _ 7
+_ 2 _  _ _ 9  1 8 _
+
+_ 1 6  _ _ _  _ _ _
+_ 8 _  1 _ _  2 _ _
+2 _ 4  _ _ _  _ _ _
+
+SOLUTION:
+5 9 8  4 6 3  7 1 2
+1 3 2  5 9 7  8 6 4
+4 6 7  8 1 2  9 3 5
+
+8 7 1  3 5 6  4 2 9
+9 4 3  2 8 1  6 5 7
+6 2 5  7 4 9  1 8 3
+
+3 1 6  9 2 4  5 7 8
+7 8 9  1 3 5  2 4 6
+2 5 4  6 7 8  3 9 1
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,3,null,null,0,8,null,null,null,null,null,1,7,null,5,null,null,6,null,null,2,null,7,null,null,null,null,null,null,0,null,null,3,null,1,null,null,null,null,null,null,null,8,2,null,null,6,null,5,null,null,null,4,5,3,null,null,null,null,0,null,7,null,null,1,null,null,null,null,4,null,null,null,7,null,null,null,null,null],"solution":[5,7,2,3,6,4,0,8,1,3,8,4,0,1,7,2,5,6,0,6,1,5,2,8,7,4,3,6,4,7,8,0,1,5,3,2,1,0,5,4,3,2,6,7,8,2,3,8,6,7,5,4,1,0,4,5,3,2,8,6,1,0,7,7,2,0,1,5,3,8,6,4,8,1,6,7,4,0,3,2,5]}
+PUZZLE:
+_ _ _  4 _ _  1 9 _
+_ _ _  _ 2 8  _ 6 _
+_ 7 _  _ 3 _  8 _ _
+
+_ _ _  _ 1 _  _ 4 _
+2 _ _  _ _ _  _ _ 9
+3 _ _  7 _ 6  _ _ _
+
+5 6 4  _ _ _  _ 1 _
+8 _ _  2 _ _  _ _ 5
+_ _ _  8 _ _  _ _ _
+
+SOLUTION:
+6 8 3  4 7 5  1 9 2
+4 9 5  1 2 8  3 6 7
+1 7 2  6 3 9  8 5 4
+
+7 5 8  9 1 2  6 4 3
+2 1 6  5 4 3  7 8 9
+3 4 9  7 8 6  5 2 1
+
+5 6 4  3 9 7  2 1 8
+8 3 1  2 6 4  9 7 5
+9 2 7  8 5 1  4 3 6
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,4,null,null,null,null,null,7,null,7,null,null,null,null,null,5,2,null,null,null,5,null,null,1,null,null,1,null,null,null,null,null,0,2,null,null,null,2,null,null,5,null,1,null,null,6,null,null,7,null,null,null,8,6,null,1,2,null,null,null,null,null,null,null,null,null,null,null,2,null,4,null,null,null,6,0,null,null,null,null],"solution":[5,1,4,8,2,3,6,0,7,3,7,6,4,1,0,8,5,2,2,0,8,5,6,7,1,4,3,1,8,7,3,4,6,0,2,5,4,3,2,0,8,5,7,1,6,0,6,5,1,7,2,4,3,8,6,4,1,2,5,8,3,7,0,8,5,0,7,3,1,2,6,4,7,2,3,6,0,4,5,8,1]}
+PUZZLE:
+_ _ 5  _ _ _  _ _ 8
+_ 8 _  _ _ _  _ 6 3
+_ _ _  6 _ _  2 _ _
+
+2 _ _  _ _ _  1 3 _
+_ _ 3  _ _ 6  _ 2 _
+_ 7 _  _ 8 _  _ _ 9
+
+7 _ 2  3 _ _  _ _ _
+_ _ _  _ _ _  3 _ 5
+_ _ _  7 1 _  _ _ _
+
+SOLUTION:
+6 2 5  9 3 4  7 1 8
+4 8 7  5 2 1  9 6 3
+3 1 9  6 7 8  2 5 4
+
+2 9 8  4 5 7  1 3 6
+5 4 3  1 9 6  8 2 7
+1 7 6  2 8 3  5 4 9
+
+7 5 2  3 6 9  4 8 1
+9 6 1  8 4 2  3 7 5
+8 3 4  7 1 5  6 9 2
+
+RATING: 1
+DATA:
+{"puzzle":[8,null,null,null,1,null,6,null,null,null,0,null,8,null,null,null,null,null,1,null,null,null,null,6,null,8,2,0,null,2,3,null,null,5,null,null,null,null,null,null,null,null,null,4,null,null,3,null,1,null,null,null,null,null,6,null,7,null,2,null,null,null,null,2,1,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,3],"solution":[8,2,4,7,1,5,6,3,0,3,0,6,8,4,2,1,7,5,1,7,5,0,3,6,4,8,2,0,6,2,3,8,4,5,1,7,7,5,1,2,6,0,3,4,8,4,3,8,1,5,7,0,2,6,6,4,7,5,2,3,8,0,1,2,1,3,6,0,8,7,5,4,5,8,0,4,7,1,2,6,3]}
+PUZZLE:
+9 _ _  _ 2 _  7 _ _
+_ 1 _  9 _ _  _ _ _
+2 _ _  _ _ 7  _ 9 3
+
+1 _ 3  4 _ _  6 _ _
+_ _ _  _ _ _  _ 5 _
+_ 4 _  2 _ _  _ _ _
+
+7 _ 8  _ 3 _  _ _ _
+3 2 _  _ _ _  _ _ _
+_ _ _  5 _ _  _ _ 4
+
+SOLUTION:
+9 3 5  8 2 6  7 4 1
+4 1 7  9 5 3  2 8 6
+2 8 6  1 4 7  5 9 3
+
+1 7 3  4 9 5  6 2 8
+8 6 2  3 7 1  4 5 9
+5 4 9  2 6 8  1 3 7
+
+7 5 8  6 3 4  9 1 2
+3 2 4  7 1 9  8 6 5
+6 9 1  5 8 2  3 7 4
+
+RATING: 1.5
+DATA:
+{"puzzle":[8,4,null,null,null,null,null,null,null,null,2,null,null,null,5,null,8,0,null,5,null,3,null,null,1,null,null,null,null,null,6,8,null,null,4,5,null,null,6,null,null,null,3,null,null,null,8,null,0,null,null,null,null,null,null,null,null,7,3,null,null,6,null,null,null,2,4,null,1,null,null,null,null,null,null,null,5,null,null,3,null],"solution":[8,4,1,2,0,6,5,7,3,3,2,7,1,4,5,6,8,0,6,5,0,3,7,8,1,2,4,1,0,3,6,8,7,2,4,5,2,7,6,5,1,4,3,0,8,4,8,5,0,2,3,7,1,6,5,1,8,7,3,0,4,6,2,0,3,2,4,6,1,8,5,7,7,6,4,8,5,2,0,3,1]}
+PUZZLE:
+9 5 _  _ _ _  _ _ _
+_ 3 _  _ _ 6  _ 9 1
+_ 6 _  4 _ _  2 _ _
+
+_ _ _  7 9 _  _ 5 6
+_ _ 7  _ _ _  4 _ _
+_ 9 _  1 _ _  _ _ _
+
+_ _ _  8 4 _  _ 7 _
+_ _ 3  5 _ 2  _ _ _
+_ _ _  _ 6 _  _ 4 _
+
+SOLUTION:
+9 5 2  3 1 7  6 8 4
+4 3 8  2 5 6  7 9 1
+7 6 1  4 8 9  2 3 5
+
+2 1 4  7 9 8  3 5 6
+3 8 7  6 2 5  4 1 9
+5 9 6  1 3 4  8 2 7
+
+6 2 9  8 4 1  5 7 3
+1 4 3  5 7 2  9 6 8
+8 7 5  9 6 3  1 4 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,5,null,0,null,null,null,null,null,null,null,6,null,null,null,0,null,4,null,null,null,7,null,null,null,null,0,6,null,null,8,null,2,5,null,3,null,7,null,null,null,null,null,4,null,null,null,null,null,null,null,null,6,null,3,null,4,null,2,null,null,null,null,null,null,null,null,null,null,null,null,8,0,null,null,null,1,4],"solution":[6,2,7,4,5,3,0,8,1,8,1,5,7,0,6,2,4,3,0,3,4,2,1,8,7,6,5,1,7,0,6,4,5,8,3,2,5,8,3,1,7,2,4,0,6,2,4,6,8,3,0,1,5,7,7,6,1,3,8,4,5,2,0,4,0,2,5,6,1,3,7,8,3,5,8,0,2,7,6,1,4]}
+PUZZLE:
+_ _ _  _ 6 _  1 _ _
+_ _ _  _ _ 7  _ _ _
+1 _ 5  _ _ _  8 _ _
+
+_ _ 1  7 _ _  9 _ 3
+6 _ 4  _ 8 _  _ _ _
+_ 5 _  _ _ _  _ _ _
+
+_ 7 _  4 _ 5  _ 3 _
+_ _ _  _ _ _  _ _ _
+_ _ 9  1 _ _  _ 2 5
+
+SOLUTION:
+7 3 8  5 6 4  1 9 2
+9 2 6  8 1 7  3 5 4
+1 4 5  3 2 9  8 7 6
+
+2 8 1  7 5 6  9 4 3
+6 9 4  2 8 3  5 1 7
+3 5 7  9 4 1  2 6 8
+
+8 7 2  4 9 5  6 3 1
+5 1 3  6 7 2  4 8 9
+4 6 9  1 3 8  7 2 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[4,7,null,null,2,null,null,null,null,5,null,null,null,1,4,null,null,null,null,null,null,null,null,null,null,5,null,null,8,null,0,5,null,3,null,null,null,null,0,null,null,null,null,2,null,null,null,null,2,6,null,null,null,8,null,null,2,null,null,null,null,1,null,6,0,1,null,null,null,5,null,null,null,null,null,null,null,3,6,0,null],"solution":[4,7,8,5,2,0,1,3,6,5,2,6,3,1,4,8,7,0,0,1,3,8,7,6,2,5,4,2,8,4,0,5,7,3,6,1,1,6,0,4,3,8,7,2,5,3,5,7,2,6,1,0,4,8,8,3,2,6,0,5,4,1,7,6,0,1,7,4,2,5,8,3,7,4,5,1,8,3,6,0,2]}
+PUZZLE:
+5 8 _  _ 3 _  _ _ _
+6 _ _  _ 2 5  _ _ _
+_ _ _  _ _ _  _ 6 _
+
+_ 9 _  1 6 _  4 _ _
+_ _ 1  _ _ _  _ 3 _
+_ _ _  3 7 _  _ _ 9
+
+_ _ 3  _ _ _  _ 2 _
+7 1 2  _ _ _  6 _ _
+_ _ _  _ _ 4  7 1 _
+
+SOLUTION:
+5 8 9  6 3 1  2 4 7
+6 3 7  4 2 5  9 8 1
+1 2 4  9 8 7  3 6 5
+
+3 9 5  1 6 8  4 7 2
+2 7 1  5 4 9  8 3 6
+4 6 8  3 7 2  1 5 9
+
+9 4 3  7 1 6  5 2 8
+7 1 2  8 5 3  6 9 4
+8 5 6  2 9 4  7 1 3
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,4,0,null,7,6,null,null,null,null,null,8,4,null,null,null,null,null,5,null,1,3,null,null,null,0,null,1,null,null,null,null,4,8,null,null,null,null,null,null,null,2,0,null,null,3,null,5,null,null,null,null,null,null,2,7,null,null,3,null,1,null,null,0,null,null,null,null,null,null,7,3,null,null,null,1,null,null,null,null],"solution":[1,8,4,0,5,7,6,3,2,0,6,3,8,4,2,7,5,1,7,5,2,1,3,6,8,4,0,6,1,5,2,7,0,4,8,3,4,7,8,3,6,1,2,0,5,2,3,0,5,8,4,1,7,6,8,2,7,6,0,3,5,1,4,5,0,1,4,2,8,3,6,7,3,4,6,7,1,5,0,2,8]}
+PUZZLE:
+_ _ 5  1 _ 8  7 _ _
+_ _ _  9 5 _  _ _ _
+_ 6 _  2 4 _  _ _ 1
+
+_ 2 _  _ _ _  5 9 _
+_ _ _  _ _ _  3 1 _
+_ 4 _  6 _ _  _ _ _
+
+_ 3 8  _ _ 4  _ 2 _
+_ 1 _  _ _ _  _ _ 8
+4 _ _  _ 2 _  _ _ _
+
+SOLUTION:
+2 9 5  1 6 8  7 4 3
+1 7 4  9 5 3  8 6 2
+8 6 3  2 4 7  9 5 1
+
+7 2 6  3 8 1  5 9 4
+5 8 9  4 7 2  3 1 6
+3 4 1  6 9 5  2 8 7
+
+9 3 8  7 1 4  6 2 5
+6 1 2  5 3 9  4 7 8
+4 5 7  8 2 6  1 3 9
+
+RATING: 1.25
+DATA:
+{"puzzle":[4,null,null,null,null,null,null,7,null,null,null,null,null,4,null,null,5,3,null,5,null,8,null,null,4,6,null,2,3,null,null,null,null,6,null,null,null,null,6,1,null,null,null,null,null,null,0,null,null,7,null,null,null,1,null,null,null,null,null,null,null,null,null,0,null,4,5,null,null,3,null,null,8,2,null,6,1,3,null,null,null],"solution":[4,8,0,3,6,5,1,7,2,1,6,2,7,4,0,8,5,3,3,5,7,8,2,1,4,6,0,2,3,1,0,5,8,6,4,7,7,4,6,1,3,2,0,8,5,5,0,8,4,7,6,2,3,1,6,7,3,2,0,4,5,1,8,0,1,4,5,8,7,3,2,6,8,2,5,6,1,3,7,0,4]}
+PUZZLE:
+5 _ _  _ _ _  _ 8 _
+_ _ _  _ 5 _  _ 6 4
+_ 6 _  9 _ _  5 7 _
+
+3 4 _  _ _ _  7 _ _
+_ _ 7  2 _ _  _ _ _
+_ 1 _  _ 8 _  _ _ 2
+
+_ _ _  _ _ _  _ _ _
+1 _ 5  6 _ _  4 _ _
+9 3 _  7 2 4  _ _ _
+
+SOLUTION:
+5 9 1  4 7 6  2 8 3
+2 7 3  8 5 1  9 6 4
+4 6 8  9 3 2  5 7 1
+
+3 4 2  1 6 9  7 5 8
+8 5 7  2 4 3  1 9 6
+6 1 9  5 8 7  3 4 2
+
+7 8 4  3 1 5  6 2 9
+1 2 5  6 9 8  4 3 7
+9 3 6  7 2 4  8 1 5
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,8,null,null,null,null,2,null,null,null,6,7,null,null,null,null,null,null,1,null,null,3,null,null,null,5,null,null,null,null,null,6,null,null,8,3,null,1,null,5,null,null,null,null,6,null,7,null,0,4,null,null,null,null,7,null,null,null,null,null,null,null,8,null,null,6,1,null,2,5,null,null,null,null,null,null,0,5,null,null,null],"solution":[5,8,3,4,1,7,2,6,0,2,6,7,8,5,0,3,4,1,1,0,4,3,2,6,8,5,7,4,5,0,2,6,1,7,8,3,3,1,2,5,7,8,4,0,6,6,7,8,0,4,3,1,2,5,7,2,5,6,3,4,0,1,8,0,3,6,1,8,2,5,7,4,8,4,1,7,0,5,6,3,2]}
+PUZZLE:
+_ 9 _  _ _ _  3 _ _
+_ 7 8  _ _ _  _ _ _
+2 _ _  4 _ _  _ 6 _
+
+_ _ _  _ 7 _  _ 9 4
+_ 2 _  6 _ _  _ _ 7
+_ 8 _  1 5 _  _ _ _
+
+8 _ _  _ _ _  _ _ 9
+_ _ 7  2 _ 3  6 _ _
+_ _ _  _ 1 6  _ _ _
+
+SOLUTION:
+6 9 4  5 2 8  3 7 1
+3 7 8  9 6 1  4 5 2
+2 1 5  4 3 7  9 6 8
+
+5 6 1  3 7 2  8 9 4
+4 2 3  6 8 9  5 1 7
+7 8 9  1 5 4  2 3 6
+
+8 3 6  7 4 5  1 2 9
+1 4 7  2 9 3  6 8 5
+9 5 2  8 1 6  7 4 3
+
+RATING: 3.75
+DATA:
+{"puzzle":[5,null,0,6,null,null,null,null,null,null,null,null,4,null,2,null,null,null,2,null,null,null,8,null,null,null,7,null,null,3,null,null,1,8,null,null,0,null,7,null,3,null,1,null,null,null,null,null,2,null,null,0,null,6,null,null,null,null,null,3,2,null,5,null,3,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,null],"solution":[5,8,0,6,1,7,4,2,3,3,7,6,4,0,2,5,1,8,2,4,1,3,8,5,6,0,7,4,6,3,0,5,1,8,7,2,0,2,7,8,3,6,1,5,4,8,1,5,2,7,4,0,3,6,7,0,4,1,6,3,2,8,5,1,3,2,5,4,8,7,6,0,6,5,8,7,2,0,3,4,1]}
+PUZZLE:
+6 _ 1  7 _ _  _ _ _
+_ _ _  5 _ 3  _ _ _
+3 _ _  _ 9 _  _ _ 8
+
+_ _ 4  _ _ 2  9 _ _
+1 _ 8  _ 4 _  2 _ _
+_ _ _  3 _ _  1 _ 7
+
+_ _ _  _ _ 4  3 _ 6
+_ 4 _  _ _ _  _ _ _
+_ _ 9  _ _ _  _ _ _
+
+SOLUTION:
+6 9 1  7 2 8  5 3 4
+4 8 7  5 1 3  6 2 9
+3 5 2  4 9 6  7 1 8
+
+5 7 4  1 6 2  9 8 3
+1 3 8  9 4 7  2 6 5
+9 2 6  3 8 5  1 4 7
+
+8 1 5  2 7 4  3 9 6
+2 4 3  6 5 9  8 7 1
+7 6 9  8 3 1  4 5 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,null,null,5,null,null,null,6,null,null,7,null,8,null,null,1,null,null,1,null,null,null,null,null,0,null,null,null,null,2,null,4,5,null,null,null,null,null,null,null,null,6,3,null,null,null,5,null,null,null,null,7,0,null,6,2,null,3,0,null,null,null,4,null,0,null,null,7,null,null,null,null,null,null,null,null,1,null,null,null],"solution":[8,0,4,1,5,3,7,2,6,3,2,7,0,8,6,4,1,5,5,1,6,4,7,2,3,0,8,0,7,3,2,6,4,5,8,1,2,8,1,7,0,5,6,3,4,6,4,5,3,1,8,2,7,0,1,6,2,5,3,0,8,4,7,4,5,0,8,2,7,1,6,3,7,3,8,6,4,1,0,5,2]}
+PUZZLE:
+_ 1 _  _ 6 _  _ _ 7
+_ _ 8  _ 9 _  _ 2 _
+_ 2 _  _ _ _  _ 1 _
+
+_ _ _  3 _ 5  6 _ _
+_ _ _  _ _ _  7 4 _
+_ _ 6  _ _ _  _ 8 1
+
+_ 7 3  _ 4 1  _ _ _
+5 _ 1  _ _ 8  _ _ _
+_ _ _  _ _ 2  _ _ _
+
+SOLUTION:
+9 1 5  2 6 4  8 3 7
+4 3 8  1 9 7  5 2 6
+6 2 7  5 8 3  4 1 9
+
+1 8 4  3 7 5  6 9 2
+3 9 2  8 1 6  7 4 5
+7 5 6  4 2 9  3 8 1
+
+2 7 3  6 4 1  9 5 8
+5 6 1  9 3 8  2 7 4
+8 4 9  7 5 2  1 6 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,4,3,null,null,2,null,null,null,8,null,null,null,0,1,null,null,null,null,7,null,6,null,null,null,null,1,null,null,0,2,null,null,6,4,null,null,null,5,4,null,null,null,null,null,null,null,null,3,null,4,null,null,8,null,null,7,null,null,8,5,null,null,2,null,null,null,null,null,2,null,3,null,null],"solution":[1,7,2,0,3,8,5,6,4,3,5,4,2,7,6,0,8,1,6,8,0,1,4,5,2,3,7,8,6,7,5,0,2,1,4,3,0,2,1,3,6,4,7,5,8,5,4,3,7,8,1,6,0,2,2,3,5,4,1,0,8,7,6,7,1,6,8,5,3,4,2,0,4,0,8,6,2,7,3,1,5]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 5
+4 _ _  3 _ _  _ 9 _
+_ _ 1  2 _ _  _ _ 8
+
+_ 7 _  _ _ _  2 _ _
+1 3 _  _ 7 5  _ _ _
+6 5 _  _ _ _  _ _ _
+
+_ 4 _  5 _ _  9 _ _
+8 _ _  9 6 _  _ 3 _
+_ _ _  _ 3 _  4 _ _
+
+SOLUTION:
+2 8 3  1 4 9  6 7 5
+4 6 5  3 8 7  1 9 2
+7 9 1  2 5 6  3 4 8
+
+9 7 8  6 1 3  2 5 4
+1 3 2  4 7 5  8 6 9
+6 5 4  8 9 2  7 1 3
+
+3 4 6  5 2 1  9 8 7
+8 2 7  9 6 4  5 3 1
+5 1 9  7 3 8  4 2 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,6,null,null,null,null,null,null,null,null,null,3,null,2,7,1,null,null,null,null,null,4,null,null,2,null,null,6,null,null,null,null,1,null,null,null,null,2,null,null,5,null,null,0,8,null,null,null,6,null,null,3,null,null,7,4,null,null,null,null,null,null,5,1,null,6,null,null,null,0,null,null,null,null,null,null,null,4,null,null,1],"solution":[2,6,4,8,1,0,5,7,3,8,0,3,5,2,7,1,4,6,5,1,7,4,3,6,2,8,0,6,3,8,2,0,1,4,5,7,4,2,1,7,5,3,6,0,8,0,7,5,6,4,8,3,1,2,7,4,0,1,6,2,8,3,5,1,8,6,3,7,5,0,2,4,3,5,2,0,8,4,7,6,1]}
+PUZZLE:
+_ 7 _  _ _ _  _ _ _
+_ _ 4  _ 3 8  2 _ _
+_ _ _  5 _ _  3 _ _
+
+7 _ _  _ _ 2  _ _ _
+_ 3 _  _ 6 _  _ 1 9
+_ _ _  7 _ _  4 _ _
+
+8 5 _  _ _ _  _ _ 6
+2 _ 7  _ _ _  1 _ _
+_ _ _  _ _ 5  _ _ 2
+
+SOLUTION:
+3 7 5  9 2 1  6 8 4
+9 1 4  6 3 8  2 5 7
+6 2 8  5 4 7  3 9 1
+
+7 4 9  3 1 2  5 6 8
+5 3 2  8 6 4  7 1 9
+1 8 6  7 5 9  4 2 3
+
+8 5 1  2 7 3  9 4 6
+2 9 7  4 8 6  1 3 5
+4 6 3  1 9 5  8 7 2
+
+RATING: 1.25
+DATA:
+{"puzzle":[2,null,null,null,6,null,null,null,1,null,null,null,null,null,2,7,0,null,null,8,4,null,null,1,null,null,null,7,0,6,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,1,null,null,0,8,null,2,null,null,null,null,null,7,null,8,3,null,0,null,5,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,8],"solution":[2,3,7,5,6,0,4,8,1,6,1,5,8,4,2,7,0,3,0,8,4,3,7,1,5,6,2,7,0,6,1,2,5,8,3,4,5,2,8,4,3,7,0,1,6,1,4,3,0,8,6,2,7,5,4,6,1,7,5,8,3,2,0,8,5,0,2,1,3,6,4,7,3,7,2,6,0,4,1,5,8]}
+PUZZLE:
+3 _ _  _ 7 _  _ _ 2
+_ _ _  _ _ 3  8 1 _
+_ 9 5  _ _ 2  _ _ _
+
+8 1 7  _ _ _  _ _ _
+_ _ _  5 _ _  _ _ _
+2 _ _  1 9 _  3 _ _
+
+_ _ _  8 _ 9  4 _ 1
+_ 6 _  _ 2 _  _ _ _
+_ _ _  _ _ _  _ _ 9
+
+SOLUTION:
+3 4 8  6 7 1  5 9 2
+7 2 6  9 5 3  8 1 4
+1 9 5  4 8 2  6 7 3
+
+8 1 7  2 3 6  9 4 5
+6 3 9  5 4 8  1 2 7
+2 5 4  1 9 7  3 8 6
+
+5 7 2  8 6 9  4 3 1
+9 6 1  3 2 4  7 5 8
+4 8 3  7 1 5  2 6 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,6,null,7,null,0,3,6,null,null,5,null,null,null,null,4,null,null,1,null,3,null,null,3,null,null,null,4,8,null,8,null,7,null,null,null,null,null,null,null,null,5,null,8,null,null,null,0,null,null,4,6,null,null,7,null,null,0,null,null,null,5,null,null,null,null,null,null,null,2,null,1,null,null,6],"solution":[4,3,2,8,1,5,0,6,7,7,1,0,3,6,2,8,5,4,5,8,6,4,0,7,1,2,3,1,2,3,0,7,6,4,8,5,8,0,7,5,2,4,6,3,1,6,4,5,1,8,3,2,7,0,2,5,4,6,3,0,7,1,8,0,6,1,7,5,8,3,4,2,3,7,8,2,4,1,5,0,6]}
+PUZZLE:
+_ _ _  _ _ _  _ 7 _
+8 _ 1  4 7 _  _ 6 _
+_ _ _  5 _ _  2 _ 4
+
+_ _ 4  _ _ _  5 9 _
+9 _ 8  _ _ _  _ _ _
+_ _ 6  _ 9 _  _ _ 1
+
+_ _ 5  7 _ _  8 _ _
+1 _ _  _ 6 _  _ _ _
+_ _ _  3 _ 2  _ _ 7
+
+SOLUTION:
+5 4 3  9 2 6  1 7 8
+8 2 1  4 7 3  9 6 5
+6 9 7  5 1 8  2 3 4
+
+2 3 4  1 8 7  5 9 6
+9 1 8  6 3 5  7 4 2
+7 5 6  2 9 4  3 8 1
+
+3 6 5  7 4 1  8 2 9
+1 7 2  8 6 9  4 5 3
+4 8 9  3 5 2  6 1 7
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,8,null,5,null,4,null,null,null,4,null,null,null,null,null,8,null,0,null,7,null,null,null,null,null,null,null,null,null,8,null,7,1,null,null,null,null,null,null,4,5,null,null,null,3,2,null,null,null,1,null,null,null,null,6,null,null,null,null,null,2,null,2,null,null,null,1,4,null,null,3,null,null,3,null,null,0,null,null,1],"solution":[6,3,8,7,5,2,4,1,0,5,4,2,1,0,6,3,8,7,0,1,7,4,3,8,5,6,2,4,0,6,8,2,7,1,3,5,8,7,1,3,4,5,2,0,6,3,2,5,0,6,1,8,7,4,1,6,4,5,7,3,0,2,8,2,8,0,6,1,4,7,5,3,7,5,3,2,8,0,6,4,1]}
+PUZZLE:
+_ _ 9  _ 6 _  5 _ _
+_ 5 _  _ _ _  _ 9 _
+1 _ 8  _ _ _  _ _ _
+
+_ _ _  9 _ 8  2 _ _
+_ _ _  _ 5 6  _ _ _
+4 3 _  _ _ 2  _ _ _
+
+_ 7 _  _ _ _  _ 3 _
+3 _ _  _ 2 5  _ _ 4
+_ _ 4  _ _ 1  _ _ 2
+
+SOLUTION:
+7 4 9  8 6 3  5 2 1
+6 5 3  2 1 7  4 9 8
+1 2 8  5 4 9  6 7 3
+
+5 1 7  9 3 8  2 4 6
+9 8 2  4 5 6  3 1 7
+4 3 6  1 7 2  9 8 5
+
+2 7 5  6 8 4  1 3 9
+3 9 1  7 2 5  8 6 4
+8 6 4  3 9 1  7 5 2
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,2,null,null,null,null,null,3,null,null,null,4,6,null,null,null,5,null,null,8,null,5,0,null,null,null,4,null,null,null,4,null,7,null,null,null,null,3,null,null,null,null,null,null,6,8,1,null,null,3,5,null,0,null,null,null,null,null,4,0,null,null,3,1,null,null,null,null,null,null,null,null,null,null,3,null,1,null,null,4,null],"solution":[6,2,5,1,7,4,8,3,0,3,0,4,6,2,8,7,5,1,7,8,1,5,0,3,2,6,4,2,5,0,4,6,7,3,1,8,4,3,7,0,8,1,5,2,6,8,1,6,2,3,5,4,0,7,5,6,2,7,4,0,1,8,3,1,4,8,3,5,6,0,7,2,0,7,3,8,1,2,6,4,5]}
+PUZZLE:
+_ 3 _  _ _ _  _ 4 _
+_ _ 5  7 _ _  _ 6 _
+_ 9 _  6 1 _  _ _ 5
+
+_ _ _  5 _ 8  _ _ _
+_ 4 _  _ _ _  _ _ 7
+9 2 _  _ 4 6  _ 1 _
+
+_ _ _  _ 5 1  _ _ 4
+2 _ _  _ _ _  _ _ _
+_ _ 4  _ 2 _  _ 5 _
+
+SOLUTION:
+7 3 6  2 8 5  9 4 1
+4 1 5  7 3 9  8 6 2
+8 9 2  6 1 4  3 7 5
+
+3 6 1  5 7 8  4 2 9
+5 4 8  1 9 2  6 3 7
+9 2 7  3 4 6  5 1 8
+
+6 7 3  8 5 1  2 9 4
+2 5 9  4 6 7  1 8 3
+1 8 4  9 2 3  7 5 6
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,6,null,null,2,null,7,4,5,null,null,null,null,null,null,null,6,0,null,5,null,null,3,null,null,null,null,4,2,null,null,null,3,null,null,null,null,null,1,null,null,null,null,7,null,3,null,0,4,null,null,null,null,null,7,null,null,null,0,6,null,1,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,2],"solution":[1,3,8,0,6,7,5,2,4,7,4,5,2,1,3,0,6,8,2,6,0,8,5,4,7,3,1,0,8,1,4,2,5,6,7,3,3,5,4,6,7,1,2,8,0,6,7,2,3,8,0,4,1,5,5,2,3,7,4,8,1,0,6,8,1,6,5,0,2,3,4,7,4,0,7,1,3,6,8,5,2]}
+PUZZLE:
+_ _ _  _ 7 _  _ 3 _
+8 5 6  _ _ _  _ _ _
+_ 7 1  _ 6 _  _ 4 _
+
+_ _ _  5 3 _  _ _ 4
+_ _ _  _ _ 2  _ _ _
+_ 8 _  4 _ 1  5 _ _
+
+_ _ _  8 _ _  _ 1 7
+_ 2 _  _ _ _  _ _ _
+_ _ _  _ 4 _  _ _ 3
+
+SOLUTION:
+2 4 9  1 7 8  6 3 5
+8 5 6  3 2 4  1 7 9
+3 7 1  9 6 5  8 4 2
+
+1 9 2  5 3 6  7 8 4
+4 6 5  7 8 2  3 9 1
+7 8 3  4 9 1  5 2 6
+
+6 3 4  8 5 9  2 1 7
+9 2 7  6 1 3  4 5 8
+5 1 8  2 4 7  9 6 3
+
+RATING: 1.75
+DATA:
+{"puzzle":[0,8,1,null,null,null,6,null,null,null,null,null,null,1,null,null,3,null,null,null,3,null,null,null,7,null,null,null,null,null,4,7,0,null,null,6,3,4,null,null,null,null,null,null,null,null,null,null,null,8,6,null,null,null,null,null,null,null,2,null,null,null,null,4,0,null,null,null,null,null,null,1,6,5,null,null,null,null,8,null,null],"solution":[0,8,1,7,3,5,6,4,2,7,6,4,8,1,2,5,3,0,5,2,3,6,0,4,7,1,8,8,1,5,4,7,0,3,2,6,3,4,6,2,5,1,0,8,7,2,7,0,3,8,6,1,5,4,1,3,7,0,2,8,4,6,5,4,0,8,5,6,3,2,7,1,6,5,2,1,4,7,8,0,3]}
+PUZZLE:
+1 9 2  _ _ _  7 _ _
+_ _ _  _ 2 _  _ 4 _
+_ _ 4  _ _ _  8 _ _
+
+_ _ _  5 8 1  _ _ 7
+4 5 _  _ _ _  _ _ _
+_ _ _  _ 9 7  _ _ _
+
+_ _ _  _ 3 _  _ _ _
+5 1 _  _ _ _  _ _ 2
+7 6 _  _ _ _  9 _ _
+
+SOLUTION:
+1 9 2  8 4 6  7 5 3
+8 7 5  9 2 3  6 4 1
+6 3 4  7 1 5  8 2 9
+
+9 2 6  5 8 1  4 3 7
+4 5 7  3 6 2  1 9 8
+3 8 1  4 9 7  2 6 5
+
+2 4 8  1 3 9  5 7 6
+5 1 9  6 7 4  3 8 2
+7 6 3  2 5 8  9 1 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,2,6,8,5,0,null,null,null,null,null,null,7,null,null,5,6,null,0,null,null,null,null,null,null,2,8,4,null,5,4,null,null,null,null,2,null,null,null,null,null,8,null,null,null,null,3,8,3,4,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,7,null,null,3,4,null,null,null,null],"solution":[4,1,0,7,8,3,6,5,2,6,8,5,0,2,1,4,3,7,2,7,3,4,5,6,1,0,8,3,6,7,5,0,2,8,4,1,5,4,8,1,3,7,2,6,0,0,2,1,8,6,4,5,7,3,8,3,4,6,1,0,7,2,5,1,0,6,2,7,5,3,8,4,7,5,2,3,4,8,0,1,6]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 3
+7 9 6  1 _ _  _ _ _
+_ 8 _  _ 6 7  _ 1 _
+
+_ _ _  _ _ 3  9 5 _
+6 5 _  _ _ _  3 _ _
+_ _ _  9 _ _  _ _ 4
+
+9 4 5  _ _ _  _ _ _
+_ 1 _  _ _ _  _ _ _
+8 _ _  4 5 _  _ _ _
+
+SOLUTION:
+5 2 1  8 9 4  7 6 3
+7 9 6  1 3 2  5 4 8
+3 8 4  5 6 7  2 1 9
+
+4 7 8  6 1 3  9 5 2
+6 5 9  2 4 8  3 7 1
+1 3 2  9 7 5  6 8 4
+
+9 4 5  7 2 1  8 3 6
+2 1 7  3 8 6  4 9 5
+8 6 3  4 5 9  1 2 7
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,6,null,null,4,0,null,null,6,null,null,null,null,null,3,null,1,null,null,null,null,0,2,null,null,null,5,null,null,null,null,null,null,1,null,null,7,2,0,null,null,null,null,null,null,null,null,6,7,null,null,null,3,null,null,null,null,null,null,4,7,2,null,null,null,1,null,6,null,null,null,8,null,5,4,null],"solution":[5,1,2,0,7,4,6,3,8,4,0,8,5,6,3,7,2,1,7,3,6,1,2,8,4,5,0,2,7,3,6,5,0,1,8,4,8,6,1,4,3,7,2,0,5,0,5,4,8,1,2,3,6,7,1,8,5,3,4,6,0,7,2,3,4,7,2,0,5,8,1,6,6,2,0,7,8,1,5,4,3]}
+PUZZLE:
+_ _ _  _ _ _  7 _ _
+5 1 _  _ 7 _  _ _ _
+_ 4 _  2 _ _  _ _ 1
+
+3 _ _  _ 6 _  _ _ _
+_ _ 2  _ _ 8  3 1 _
+_ _ _  _ _ _  _ 7 8
+
+_ _ _  4 _ _  _ _ _
+_ 5 8  3 _ _  _ 2 _
+7 _ _  _ 9 _  6 5 _
+
+SOLUTION:
+6 2 3  1 8 5  7 4 9
+5 1 9  6 7 4  8 3 2
+8 4 7  2 3 9  5 6 1
+
+3 8 4  7 6 1  2 9 5
+9 7 2  5 4 8  3 1 6
+1 6 5  9 2 3  4 7 8
+
+2 9 6  4 5 7  1 8 3
+4 5 8  3 1 6  9 2 7
+7 3 1  8 9 2  6 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[7,null,null,null,null,null,null,null,null,null,0,4,7,null,1,null,null,null,null,null,null,null,null,5,6,null,null,null,6,null,4,null,null,8,null,null,null,3,2,null,null,null,4,0,null,null,null,1,null,null,null,null,null,2,null,null,0,null,null,null,null,8,null,3,null,6,2,null,null,null,null,1,null,4,8,1,null,null,null,3,null],"solution":[7,8,5,6,0,2,1,4,3,6,0,4,7,3,1,5,2,8,1,2,3,8,4,5,6,7,0,0,6,7,4,2,3,8,1,5,8,3,2,5,1,6,4,0,7,4,5,1,0,7,8,3,6,2,5,1,0,3,6,7,2,8,4,3,7,6,2,8,4,0,5,1,2,4,8,1,5,0,7,3,6]}
+PUZZLE:
+8 _ _  _ _ _  _ _ _
+_ 1 5  8 _ 2  _ _ _
+_ _ _  _ _ 6  7 _ _
+
+_ 7 _  5 _ _  9 _ _
+_ 4 3  _ _ _  5 1 _
+_ _ 2  _ _ _  _ _ 3
+
+_ _ 1  _ _ _  _ 9 _
+4 _ 7  3 _ _  _ _ 2
+_ 5 9  2 _ _  _ 4 _
+
+SOLUTION:
+8 9 6  7 1 3  2 5 4
+7 1 5  8 4 2  6 3 9
+2 3 4  9 5 6  7 8 1
+
+1 7 8  5 3 4  9 2 6
+9 4 3  6 2 7  5 1 8
+5 6 2  1 8 9  4 7 3
+
+6 2 1  4 7 8  3 9 5
+4 8 7  3 9 5  1 6 2
+3 5 9  2 6 1  8 4 7
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,4,0,null,1,null,null,6,5,null,null,null,null,null,null,null,8,null,null,6,1,0,null,null,4,null,7,null,null,6,1,7,null,null,null,null,null,7,null,8,null,null,null,null,null,null,null,null,6,null,0,null,null,null,4,null,3,null,null,5,null,null,0,null,null,null,4,null,null,1,null,null,0,null,null,null,null,null,null,5,null],"solution":[8,4,0,3,1,7,2,6,5,7,3,2,5,4,6,0,8,1,5,6,1,0,8,2,4,3,7,2,0,6,1,7,3,5,4,8,1,7,5,8,2,4,3,0,6,3,8,4,6,5,0,7,1,2,4,1,3,2,6,5,8,7,0,6,5,7,4,0,8,1,2,3,0,2,8,7,3,1,6,5,4]}
+PUZZLE:
+_ 5 1  _ 2 _  _ 7 6
+_ _ _  _ _ _  _ 9 _
+_ 7 2  1 _ _  5 _ 8
+
+_ _ 7  2 8 _  _ _ _
+_ 8 _  9 _ _  _ _ _
+_ _ _  7 _ 1  _ _ _
+
+5 _ 4  _ _ 6  _ _ 1
+_ _ _  5 _ _  2 _ _
+1 _ _  _ _ _  _ 6 _
+
+SOLUTION:
+9 5 1  4 2 8  3 7 6
+8 4 3  6 5 7  1 9 2
+6 7 2  1 9 3  5 4 8
+
+3 1 7  2 8 4  6 5 9
+2 8 6  9 3 5  4 1 7
+4 9 5  7 6 1  8 2 3
+
+5 2 4  3 7 6  9 8 1
+7 6 8  5 1 9  2 3 4
+1 3 9  8 4 2  7 6 5
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,6,null,null,3,null,null,null,null,5,7,null,null,null,0,null,null,null,4,null,0,4,6,null,null,1,null,null,null,8,null,null,4,5,null,null,3,null,null,3,null,null,null,6,null,null,null,null,null,null,8,null,null,null,null,5,6,1,8,null,7,null,null,null,null,7,0,null,null,null,null,null,null,4],"solution":[4,5,0,1,3,7,8,2,6,1,6,3,2,4,8,0,5,7,2,8,7,0,6,5,3,4,1,0,4,6,3,8,1,5,7,2,8,7,1,4,5,2,6,3,0,5,3,2,7,0,6,4,1,8,3,2,4,8,1,0,7,6,5,6,1,8,5,7,4,2,0,3,7,0,5,6,2,3,1,8,4]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 7
+_ _ 4  _ _ _  _ 6 8
+_ _ _  1 _ _  _ 5 _
+
+1 5 7  _ _ 2  _ _ _
+9 _ _  5 6 _  _ 4 _
+_ 4 _  _ _ 7  _ _ _
+
+_ _ _  9 _ _  _ _ 6
+7 2 9  _ 8 _  _ _ _
+8 1 _  _ _ _  _ _ 5
+
+SOLUTION:
+5 6 1  2 4 8  9 3 7
+2 7 4  3 5 9  1 6 8
+3 9 8  1 7 6  4 5 2
+
+1 5 7  4 9 2  6 8 3
+9 8 2  5 6 3  7 4 1
+6 4 3  8 1 7  5 2 9
+
+4 3 5  9 2 1  8 7 6
+7 2 9  6 8 5  3 1 4
+8 1 6  7 3 4  2 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[3,4,6,null,null,null,null,0,null,null,null,2,null,null,1,7,null,8,null,null,8,null,4,null,2,null,3,null,null,null,null,null,5,6,null,null,1,null,5,0,2,null,null,7,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,3,null,null,0,null,5,1,4,null,null,null,null,null],"solution":[3,4,6,2,7,8,1,0,5,5,0,2,3,6,1,7,4,8,7,1,8,5,4,0,2,6,3,0,2,4,7,3,5,6,8,1,1,8,5,0,2,6,3,7,4,6,7,3,1,8,4,0,5,2,8,3,0,6,5,2,4,1,7,4,6,7,8,1,3,5,2,0,2,5,1,4,0,7,8,3,6]}
+PUZZLE:
+4 5 7  _ _ _  _ 1 _
+_ _ 3  _ _ 2  8 _ 9
+_ _ 9  _ 5 _  3 _ 4
+
+_ _ _  _ _ 6  7 _ _
+2 _ 6  1 3 _  _ 8 _
+_ _ _  2 _ _  _ _ _
+
+_ _ _  _ _ _  _ _ _
+5 _ _  _ _ 4  _ _ 1
+_ 6 2  5 _ _  _ _ _
+
+SOLUTION:
+4 5 7  3 8 9  2 1 6
+6 1 3  4 7 2  8 5 9
+8 2 9  6 5 1  3 7 4
+
+1 3 5  8 4 6  7 9 2
+2 9 6  1 3 7  4 8 5
+7 8 4  2 9 5  1 6 3
+
+9 4 1  7 6 3  5 2 8
+5 7 8  9 2 4  6 3 1
+3 6 2  5 1 8  9 4 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,1,null,null,3,null,0,null,6,8,null,null,4,null,null,null,null,null,null,7,null,6,null,null,1,null,null,null,null,4,1,6,null,5,null,8,null,null,null,null,null,3,null,null,null,null,null,null,null,8,7,6,null,null,null,null,8,null,null,2,null,3,null,null,5,null,null,null,null,null,null,null,3,null,null,null,7,null,null,null,null],"solution":[4,1,2,7,3,5,0,8,6,8,6,0,4,2,1,3,5,7,5,7,3,6,0,8,1,2,4,2,3,4,1,6,0,5,7,8,7,8,6,5,4,3,2,1,0,1,0,5,2,8,7,6,4,3,6,4,8,0,5,2,7,3,1,0,5,7,3,1,4,8,6,2,3,2,1,8,7,6,4,0,5]}
+PUZZLE:
+_ 2 _  _ 4 _  1 _ 7
+9 _ _  5 _ _  _ _ _
+_ 8 _  7 _ _  2 _ _
+
+_ _ 5  2 7 _  6 _ 9
+_ _ _  _ _ 4  _ _ _
+_ _ _  _ 9 8  7 _ _
+
+_ _ 9  _ _ 3  _ 4 _
+_ 6 _  _ _ _  _ _ _
+4 _ _  _ 8 _  _ _ _
+
+SOLUTION:
+5 2 3  8 4 6  1 9 7
+9 7 1  5 3 2  4 6 8
+6 8 4  7 1 9  2 3 5
+
+3 4 5  2 7 1  6 8 9
+8 9 7  6 5 4  3 2 1
+2 1 6  3 9 8  7 5 4
+
+7 5 9  1 6 3  8 4 2
+1 6 8  4 2 5  9 7 3
+4 3 2  9 8 7  5 1 6
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,3,null,null,4,null,null,null,null,null,null,null,5,null,null,null,6,null,null,null,null,null,null,3,null,8,null,3,6,null,null,0,null,null,1,null,null,null,null,6,null,7,5,null,null,null,null,1,7,null,null,null,null,null,7,null,null,null,null,null,2,null,null,0,null,null,null,8,null,1,null,3,5,null,null,null,null,null,null,null],"solution":[1,6,3,0,8,4,5,7,2,8,2,0,3,5,7,1,4,6,5,4,7,2,1,6,3,0,8,7,3,6,5,4,0,2,8,1,2,1,4,8,6,3,7,5,0,0,8,5,1,7,2,6,3,4,4,7,1,6,0,5,8,2,3,6,0,2,7,3,8,4,1,5,3,5,8,4,2,1,0,6,7]}
+PUZZLE:
+_ _ 4  _ _ 5  _ _ _
+_ _ _  _ 6 _  _ _ 7
+_ _ _  _ _ _  4 _ 9
+
+_ 4 7  _ _ 1  _ _ 2
+_ _ _  _ 7 _  8 6 _
+_ _ _  2 8 _  _ _ _
+
+_ 8 _  _ _ _  _ 3 _
+_ 1 _  _ _ 9  _ 2 _
+4 6 _  _ _ _  _ _ _
+
+SOLUTION:
+2 7 4  1 9 5  6 8 3
+9 3 1  4 6 8  2 5 7
+6 5 8  3 2 7  4 1 9
+
+8 4 7  6 5 1  3 9 2
+3 2 5  9 7 4  8 6 1
+1 9 6  2 8 3  7 4 5
+
+5 8 2  7 1 6  9 3 4
+7 1 3  8 4 9  5 2 6
+4 6 9  5 3 2  1 7 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,null,null,4,null,null,2,null,null,null,null,null,null,7,null,null,null,null,5,null,null,8,0,null,null,null,null,null,2,null,null,null,1,null,2,null,null,null,1,null,5,null,null,null,null,3,5,null,null,null,7,null,null,4,1,null,0,null,3,null,null,3,null,2,8,null,null,null,null,null,6,0,null,1,null,null,null,8,null],"solution":[1,6,0,7,5,4,8,3,2,4,3,8,0,2,1,7,5,6,7,2,5,3,6,8,0,4,1,5,8,4,2,7,0,6,1,3,2,7,6,4,1,3,5,0,8,0,1,3,5,8,6,2,7,4,8,4,1,6,0,5,3,2,7,3,5,2,8,4,7,1,6,0,6,0,7,1,3,2,4,8,5]}
+PUZZLE:
+_ 7 _  _ _ 5  _ _ 3
+_ _ _  _ _ _  8 _ _
+_ _ 6  _ _ 9  1 _ _
+
+_ _ _  3 _ _  _ 2 _
+3 _ _  _ 2 _  6 _ _
+_ _ 4  6 _ _  _ 8 _
+
+_ 5 2  _ 1 _  4 _ _
+4 _ 3  9 _ _  _ _ _
+7 1 _  2 _ _  _ 9 _
+
+SOLUTION:
+2 7 1  8 6 5  9 4 3
+5 4 9  1 3 2  8 6 7
+8 3 6  4 7 9  1 5 2
+
+6 9 5  3 8 1  7 2 4
+3 8 7  5 2 4  6 1 9
+1 2 4  6 9 7  3 8 5
+
+9 5 2  7 1 6  4 3 8
+4 6 3  9 5 8  2 7 1
+7 1 8  2 4 3  5 9 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,3,1,null,2,null,null,null,0,null,null,2,8,5,null,7,8,null,6,null,null,null,3,null,null,null,6,null,null,null,null,null,7,null,null,null,null,null,null,null,0,null,null,0,null,5,8,null,null,null,null,null,4,null,null,1,null,0,null,null,null,null,null,0,null,null,2,null,null,null,null,null,3,4,8,null,null,null],"solution":[5,6,4,8,3,1,7,2,0,1,3,0,4,7,2,8,5,6,7,8,2,6,0,5,4,3,1,8,5,6,1,2,0,3,4,7,2,1,3,7,6,4,5,0,8,4,0,7,5,8,3,1,6,2,6,4,5,2,1,7,0,8,3,3,7,8,0,5,6,2,1,4,0,2,1,3,4,8,6,7,5]}
+PUZZLE:
+_ _ _  _ 4 2  _ 3 _
+_ _ 1  _ _ 3  9 6 _
+8 9 _  7 _ _  _ 4 _
+
+_ _ 7  _ _ _  _ _ 8
+_ _ _  _ _ _  _ 1 _
+_ 1 _  6 9 _  _ _ _
+
+_ 5 _  _ 2 _  1 _ _
+_ _ _  1 _ _  3 _ _
+_ _ _  4 5 9  _ _ _
+
+SOLUTION:
+6 7 5  9 4 2  8 3 1
+2 4 1  5 8 3  9 6 7
+8 9 3  7 1 6  5 4 2
+
+9 6 7  2 3 1  4 5 8
+3 2 4  8 7 5  6 1 9
+5 1 8  6 9 4  2 7 3
+
+7 5 6  3 2 8  1 9 4
+4 8 9  1 6 7  3 2 5
+1 3 2  4 5 9  7 8 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,5,null,6,null,null,null,null,4,null,null,null,0,5,1,null,null,2,null,null,null,null,3,null,null,6,6,null,null,null,null,null,null,1,2,3,null,null,6,null,7,null,null,null,null,7,1,null,null,null,null,null,4,null,null,null,4,null,null,null,8,null,null,null,null,null,null,null,null,5,null,null,1,null,0,5,null,2,null,3],"solution":[1,3,5,7,6,4,0,2,8,4,8,6,2,0,5,1,3,7,2,0,7,1,8,3,5,4,6,6,5,8,3,4,0,7,1,2,3,4,2,6,1,7,8,0,5,0,7,1,5,2,8,3,6,4,5,2,3,4,7,1,6,8,0,7,6,0,8,3,2,4,5,1,8,1,4,0,5,6,2,7,3]}
+PUZZLE:
+_ 4 6  _ 7 _  _ _ _
+5 _ _  _ 1 6  2 _ _
+3 _ _  _ _ 4  _ _ 7
+
+7 _ _  _ _ _  _ 2 3
+4 _ _  7 _ 8  _ _ _
+_ 8 2  _ _ _  _ _ 5
+
+_ _ _  5 _ _  _ 9 _
+_ _ _  _ _ _  _ 6 _
+_ 2 _  1 6 _  3 _ 4
+
+SOLUTION:
+2 4 6  8 7 5  1 3 9
+5 9 7  3 1 6  2 4 8
+3 1 8  2 9 4  6 5 7
+
+7 6 9  4 5 1  8 2 3
+4 5 3  7 2 8  9 1 6
+1 8 2  6 3 9  4 7 5
+
+6 3 4  5 8 2  7 9 1
+8 7 1  9 4 3  5 6 2
+9 2 5  1 6 7  3 8 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,1,null,null,null,null,null,3,null,null,null,null,3,null,4,8,null,8,null,null,1,null,6,null,5,null,null,null,null,null,null,null,5,4,null,null,5,null,null,7,0,null,null,2,2,null,null,null,4,null,null,null,null,null,7,null,null,null,5,2,null,null,null,null,5,2,8,null,null,1,null,null,null,null,null,null,null,null,null,null],"solution":[7,0,1,4,5,8,6,2,3,5,2,6,0,3,7,4,8,1,8,3,4,1,2,6,0,5,7,1,8,7,3,6,2,5,4,0,4,5,3,8,7,0,1,6,2,2,6,0,5,4,1,3,7,8,3,7,8,6,1,5,2,0,4,0,4,5,2,8,3,7,1,6,6,1,2,7,0,4,8,3,5]}
+PUZZLE:
+_ _ 2  _ _ _  _ _ 4
+_ _ _  _ 4 _  5 9 _
+9 _ _  2 _ 7  _ 6 _
+
+_ _ _  _ _ _  6 5 _
+_ 6 _  _ 8 1  _ _ 3
+3 _ _  _ 5 _  _ _ _
+
+_ 8 _  _ _ 6  3 _ _
+_ _ 6  3 9 _  _ 2 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+8 1 2  5 6 9  7 3 4
+6 3 7  1 4 8  5 9 2
+9 4 5  2 3 7  1 6 8
+
+2 9 8  4 7 3  6 5 1
+5 6 4  9 8 1  2 7 3
+3 7 1  6 5 2  4 8 9
+
+4 8 9  7 2 6  3 1 5
+1 5 6  3 9 4  8 2 7
+7 2 3  8 1 5  9 4 6
+
+RATING: 4.75
+DATA:
+{"puzzle":[null,null,null,null,2,null,null,null,null,null,null,6,0,3,null,null,null,1,1,0,null,null,null,null,2,null,6,8,null,1,null,4,null,null,null,3,4,null,null,null,null,null,0,null,null,3,null,null,5,null,null,null,6,null,0,null,3,null,null,null,null,null,8,null,null,null,1,null,null,null,null,null,null,4,2,null,null,8,null,null,null],"solution":[5,3,4,6,2,1,7,8,0,2,8,6,0,3,7,4,5,1,1,0,7,4,8,5,2,3,6,8,6,1,7,4,0,5,2,3,4,2,5,8,6,3,0,1,7,3,7,0,5,1,2,8,6,4,0,1,3,2,5,4,6,7,8,7,5,8,1,0,6,3,4,2,6,4,2,3,7,8,1,0,5]}
+PUZZLE:
+_ _ _  _ 3 _  _ _ _
+_ _ 7  1 4 _  _ _ 2
+2 1 _  _ _ _  3 _ 7
+
+9 _ 2  _ 5 _  _ _ 4
+5 _ _  _ _ _  1 _ _
+4 _ _  6 _ _  _ 7 _
+
+1 _ 4  _ _ _  _ _ 9
+_ _ _  2 _ _  _ _ _
+_ 5 3  _ _ 9  _ _ _
+
+SOLUTION:
+6 4 5  7 3 2  8 9 1
+3 9 7  1 4 8  5 6 2
+2 1 8  5 9 6  3 4 7
+
+9 7 2  8 5 1  6 3 4
+5 3 6  9 7 4  1 2 8
+4 8 1  6 2 3  9 7 5
+
+1 2 4  3 6 5  7 8 9
+8 6 9  2 1 7  4 5 3
+7 5 3  4 8 9  2 1 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,7,3,null,null,null,1,null,null,null,null,5,null,null,6,8,2,null,4,null,null,null,null,7,null,null,null,8,6,null,2,0,3,null,null,null,null,null,null,1,5,null,null,null,null,null,2,0,null,null,null,null,null,null,null,null,null,null,null,null,5,null,4,null,null,null,null,2,null,null,null,null,0,4,8,null,null,null,null,null,6],"solution":[6,7,3,5,8,2,1,4,0,1,0,5,3,4,6,8,2,7,4,8,2,0,1,7,6,5,3,8,6,1,2,0,3,4,7,5,7,3,4,1,5,8,0,6,2,5,2,0,6,7,4,3,8,1,2,1,7,8,6,0,5,3,4,3,5,6,4,2,1,7,0,8,0,4,8,7,3,5,2,1,6]}
+PUZZLE:
+_ 8 4  _ _ _  2 _ _
+_ _ 6  _ _ 7  9 3 _
+5 _ _  _ _ 8  _ _ _
+
+9 7 _  3 1 4  _ _ _
+_ _ _  2 6 _  _ _ _
+_ 3 1  _ _ _  _ _ _
+
+_ _ _  _ _ _  6 _ 5
+_ _ _  _ 3 _  _ _ _
+1 5 9  _ _ _  _ _ 7
+
+SOLUTION:
+7 8 4  6 9 3  2 5 1
+2 1 6  4 5 7  9 3 8
+5 9 3  1 2 8  7 6 4
+
+9 7 2  3 1 4  5 8 6
+8 4 5  2 6 9  1 7 3
+6 3 1  7 8 5  4 9 2
+
+3 2 8  9 7 1  6 4 5
+4 6 7  5 3 2  8 1 9
+1 5 9  8 4 6  3 2 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,5,null,0,null,null,8,null,null,2,null,null,3,null,null,4,null,0,5,null,null,5,null,null,null,null,1,8,0,null,null,2,null,null,6,null,null,null,null,null,null,6,null,7,null,null,null,null,2,null,null,5,null,3,null,null,6,null,8,7,null,null,null,null,null,null,null,null,null,null,null,null,null],"solution":[2,1,6,0,5,3,4,8,7,5,4,0,7,1,8,3,6,2,8,7,3,6,2,4,1,0,5,6,2,5,4,3,7,0,1,8,0,3,7,2,8,1,6,5,4,1,8,4,5,6,0,7,2,3,7,0,2,1,4,5,8,3,6,3,6,1,8,7,2,5,4,0,4,5,8,3,0,6,2,7,1]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+6 _ 1  _ _ 9  _ _ 3
+_ _ 4  _ _ 5  _ 1 6
+
+_ _ 6  _ _ _  _ 2 9
+1 _ _  3 _ _  7 _ _
+_ _ _  _ 7 _  8 _ _
+
+_ _ 3  _ _ 6  _ 4 _
+_ 7 _  9 8 _  _ _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 2 7  1 6 4  5 9 8
+6 5 1  8 2 9  4 7 3
+9 8 4  7 3 5  2 1 6
+
+7 3 6  5 4 8  1 2 9
+1 4 8  3 9 2  7 6 5
+2 9 5  6 7 1  8 3 4
+
+8 1 3  2 5 6  9 4 7
+4 7 2  9 8 3  6 5 1
+5 6 9  4 1 7  3 8 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,2,null,null,1,null,0,null,null,null,null,null,null,null,4,null,2,8,null,null,null,null,3,null,1,null,null,null,5,8,null,null,null,4,null,null,null,null,null,7,null,null,null,3,null,null,3,null,4,null,8,null,5,null,null,null,2,null,null,7,null,1,null,0,4,null,null,null,null,null,null,1,null,null,null,null,7,null,null,null],"solution":[6,4,2,7,5,1,3,0,8,3,1,7,6,8,0,4,5,2,8,5,0,4,2,3,6,1,7,2,7,5,8,3,6,1,4,0,4,8,1,0,7,5,2,6,3,0,6,3,1,4,2,8,7,5,5,3,6,2,0,4,7,8,1,7,0,4,3,1,8,5,2,6,1,2,8,5,6,7,0,3,4]}
+PUZZLE:
+_ _ 3  _ _ 2  _ 1 _
+_ _ _  _ _ _  5 _ 3
+9 _ _  _ _ 4  _ 2 _
+
+_ _ 6  9 _ _  _ 5 _
+_ _ _  _ 8 _  _ _ 4
+_ _ 4  _ 5 _  9 _ 6
+
+_ _ _  3 _ _  8 _ 2
+_ 1 5  _ _ _  _ _ _
+2 _ _  _ _ 8  _ _ _
+
+SOLUTION:
+7 5 3  8 6 2  4 1 9
+4 2 8  7 9 1  5 6 3
+9 6 1  5 3 4  7 2 8
+
+3 8 6  9 4 7  2 5 1
+5 9 2  1 8 6  3 7 4
+1 7 4  2 5 3  9 8 6
+
+6 4 7  3 1 5  8 9 2
+8 1 5  4 2 9  6 3 7
+2 3 9  6 7 8  1 4 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,1,null,null,null,null,null,6,null,null,null,null,null,null,null,null,2,null,6,null,7,5,null,8,null,null,5,null,null,4,8,null,null,null,null,null,0,null,null,null,7,null,4,null,3,8,null,null,null,null,5,null,null,null,null,null,null,7,null,4,null,null,null,null,0,6,4,null,null,1,null,null,1,null,null,null,0,null,null,null],"solution":[8,4,1,3,0,2,7,5,6,0,7,5,8,6,4,1,3,2,2,6,3,7,5,1,8,0,4,5,2,7,4,8,3,0,6,1,1,0,6,5,2,7,3,4,8,3,8,4,0,1,6,5,2,7,6,3,2,1,7,5,4,8,0,7,5,0,6,4,8,2,1,3,4,1,8,2,3,0,6,7,5]}
+PUZZLE:
+_ _ 2  _ _ _  _ _ 7
+_ _ _  _ _ _  _ _ 3
+_ 7 _  8 6 _  9 _ _
+
+6 _ _  5 9 _  _ _ _
+_ 1 _  _ _ 8  _ 5 _
+4 9 _  _ _ _  6 _ _
+
+_ _ _  _ 8 _  5 _ _
+_ _ 1  7 5 _  _ 2 _
+_ 2 _  _ _ 1  _ _ _
+
+SOLUTION:
+9 5 2  4 1 3  8 6 7
+1 8 6  9 7 5  2 4 3
+3 7 4  8 6 2  9 1 5
+
+6 3 8  5 9 4  1 7 2
+2 1 7  6 3 8  4 5 9
+4 9 5  1 2 7  6 3 8
+
+7 4 3  2 8 6  5 9 1
+8 6 1  7 5 9  3 2 4
+5 2 9  3 4 1  7 8 6
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,7,0,null,2,null,5,null,0,null,3,null,6,null,null,null,null,null,null,null,null,8,3,null,null,null,null,null,null,null,4,null,3,0,null,null,null,8,null,null,null,null,1,6,7,null,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,0,null,null,5,null,null,null,null,null,null,null,null,1,4,5,6,null,null,null],"solution":[6,8,7,0,1,2,4,5,3,0,2,3,5,6,4,1,7,8,5,1,4,7,8,3,0,6,2,1,6,2,8,4,7,3,0,5,3,4,8,2,0,5,7,1,6,7,5,0,6,3,1,2,8,4,4,3,6,1,7,8,5,2,0,8,7,5,3,2,0,6,4,1,2,0,1,4,5,6,8,3,7]}
+PUZZLE:
+_ _ 8  1 _ 3  _ 6 _
+1 _ 4  _ 7 _  _ _ _
+_ _ _  _ 9 4  _ _ _
+
+_ _ _  _ 5 _  4 1 _
+_ _ 9  _ _ _  _ 2 7
+8 _ _  _ _ _  _ _ _
+
+5 _ _  _ _ _  _ _ 1
+_ _ 6  _ _ _  _ _ _
+_ _ 2  5 6 7  _ _ _
+
+SOLUTION:
+7 9 8  1 2 3  5 6 4
+1 3 4  6 7 5  2 8 9
+6 2 5  8 9 4  1 7 3
+
+2 7 3  9 5 8  4 1 6
+4 5 9  3 1 6  8 2 7
+8 6 1  7 4 2  3 9 5
+
+5 4 7  2 8 9  6 3 1
+9 8 6  4 3 1  7 5 2
+3 1 2  5 6 7  9 4 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[1,null,null,null,null,null,null,null,null,4,null,7,6,null,null,8,null,null,null,6,null,null,null,null,null,null,0,2,1,null,null,null,null,null,5,3,null,null,5,null,null,7,null,null,6,null,null,null,null,null,8,null,null,1,null,null,2,null,null,null,null,null,null,null,7,null,null,null,null,4,null,null,null,null,null,null,0,null,null,6,8],"solution":[1,2,0,3,8,5,6,7,4,4,5,7,6,1,0,8,3,2,8,6,3,2,7,4,5,1,0,2,1,8,0,4,6,7,5,3,3,4,5,1,2,7,0,8,6,7,0,6,5,3,8,2,4,1,6,8,2,4,5,1,3,0,7,0,7,1,8,6,3,4,2,5,5,3,4,7,0,2,1,6,8]}
+PUZZLE:
+2 _ _  _ _ _  _ _ _
+5 _ 8  7 _ _  9 _ _
+_ 7 _  _ _ _  _ _ 1
+
+3 2 _  _ _ _  _ 6 4
+_ _ 6  _ _ 8  _ _ 7
+_ _ _  _ _ 9  _ _ 2
+
+_ _ 3  _ _ _  _ _ _
+_ 8 _  _ _ _  5 _ _
+_ _ _  _ 1 _  _ 7 9
+
+SOLUTION:
+2 3 1  4 9 6  7 8 5
+5 6 8  7 2 1  9 4 3
+9 7 4  3 8 5  6 2 1
+
+3 2 9  1 5 7  8 6 4
+4 5 6  2 3 8  1 9 7
+8 1 7  6 4 9  3 5 2
+
+7 9 3  5 6 2  4 1 8
+1 8 2  9 7 4  5 3 6
+6 4 5  8 1 3  2 7 9
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,6,null,0,null,null,null,null,null,null,4,null,null,6,1,null,null,7,null,5,null,2,null,3,null,null,1,null,null,null,null,null,2,5,1,4,1,null,null,null,3,null,null,null,2,null,null,null,null,null,null,null,null,null,0,null,null,null,null,4,null,2,null,null,null,null,null,null,null,8,null,3,null,null,3,null,1,null,null,null,5],"solution":[3,6,1,0,4,7,2,5,8,8,4,2,5,6,1,3,0,7,7,5,0,2,8,3,4,6,1,6,3,7,8,0,2,5,1,4,1,0,5,4,3,6,7,8,2,2,8,4,1,7,5,6,3,0,0,7,8,3,5,4,1,2,6,5,1,6,7,2,0,8,4,3,4,2,3,6,1,8,0,7,5]}
+PUZZLE:
+_ 7 _  1 _ _  _ _ _
+_ 5 _  _ 7 2  _ _ 8
+_ 6 _  3 _ 4  _ _ 2
+
+_ _ _  _ _ 3  6 2 5
+2 _ _  _ 4 _  _ _ 3
+_ _ _  _ _ _  _ _ _
+
+1 _ _  _ _ 5  _ 3 _
+_ _ _  _ _ _  9 _ 4
+_ _ 4  _ 2 _  _ _ 6
+
+SOLUTION:
+4 7 2  1 5 8  3 6 9
+9 5 3  6 7 2  4 1 8
+8 6 1  3 9 4  5 7 2
+
+7 4 8  9 1 3  6 2 5
+2 1 6  5 4 7  8 9 3
+3 9 5  2 8 6  7 4 1
+
+1 8 9  4 6 5  2 3 7
+6 2 7  8 3 1  9 5 4
+5 3 4  7 2 9  1 8 6
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,null,8,5,null,3,null,3,null,2,null,null,null,null,8,null,null,null,null,null,7,null,2,null,6,6,null,null,null,null,2,0,null,null,null,2,7,0,null,null,8,null,1,null,null,null,null,6,null,null,null,null,null,null,4,null,0,null,null,null,2,null,null,null,null,4,null,5,null,null,null,null,null,1,null,null,6,null,8],"solution":[4,7,6,2,8,5,1,3,0,3,5,2,6,1,0,7,8,4,1,8,0,4,7,3,2,5,6,6,4,1,8,5,2,0,7,3,5,2,7,0,3,4,8,6,1,8,0,3,7,6,1,4,2,5,7,6,4,5,0,8,3,1,2,2,1,8,3,4,6,5,0,7,0,3,5,1,2,7,6,4,8]}
+PUZZLE:
+_ _ _  _ 9 6  _ 4 _
+4 _ 3  _ _ _  _ 9 _
+_ _ _  _ 8 _  3 _ 7
+
+7 _ _  _ _ 3  1 _ _
+_ 3 8  1 _ _  9 _ 2
+_ _ _  _ 7 _  _ _ _
+
+_ _ 5  _ 1 _  _ _ 3
+_ _ _  _ 5 _  6 _ _
+_ _ _  2 _ _  7 _ 9
+
+SOLUTION:
+5 8 7  3 9 6  2 4 1
+4 6 3  7 2 1  8 9 5
+2 9 1  5 8 4  3 6 7
+
+7 5 2  9 6 3  1 8 4
+6 3 8  1 4 5  9 7 2
+9 1 4  8 7 2  5 3 6
+
+8 7 5  6 1 9  4 2 3
+3 2 9  4 5 7  6 1 8
+1 4 6  2 3 8  7 5 9
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,7,8,4,null,6,null,null,2,null,null,5,null,null,null,null,null,8,null,null,null,6,null,null,null,null,7,null,null,null,null,null,null,2,null,null,null,4,null,5,null,null,null,5,null,null,null,null,1,null,8,null,null,null,8,0,6,null,4,null,null,null,null,null,null,null,null,null,1,7,null,6,null,null,3,null,null,null,null],"solution":[3,5,1,7,8,4,2,6,0,6,2,4,3,5,0,8,7,1,0,8,7,2,1,6,3,5,4,1,7,6,8,0,3,5,4,2,8,3,2,4,7,5,1,0,6,5,4,0,6,2,1,7,8,3,7,1,8,0,6,2,4,3,5,2,0,3,5,4,8,6,1,7,4,6,5,1,3,7,0,2,8]}
+PUZZLE:
+_ _ _  8 9 5  _ 7 _
+_ 3 _  _ 6 _  _ _ _
+_ 9 _  _ _ 7  _ _ _
+
+_ 8 _  _ _ _  _ _ 3
+_ _ _  5 _ 6  _ _ _
+6 _ _  _ _ 2  _ 9 _
+
+_ _ 9  1 7 _  5 _ _
+_ _ _  _ _ _  _ 2 8
+_ 7 _  _ 4 _  _ _ _
+
+SOLUTION:
+4 6 2  8 9 5  3 7 1
+7 3 5  4 6 1  9 8 2
+1 9 8  3 2 7  4 6 5
+
+2 8 7  9 1 4  6 5 3
+9 4 3  5 8 6  2 1 7
+6 5 1  7 3 2  8 9 4
+
+8 2 9  1 7 3  5 4 6
+3 1 4  6 5 9  7 2 8
+5 7 6  2 4 8  1 3 9
+
+RATING: 1
+DATA:
+{"puzzle":[2,null,null,null,null,null,8,null,null,null,null,0,null,null,8,2,5,null,null,null,6,null,7,null,null,null,null,0,null,2,3,null,7,null,null,null,null,5,7,0,null,null,null,null,6,6,null,4,2,null,null,null,null,null,null,null,1,null,null,null,null,7,2,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,4,3,null],"solution":[2,7,5,4,0,1,8,6,3,1,4,0,6,3,8,2,5,7,3,8,6,5,7,2,0,1,4,0,1,2,3,6,7,5,4,8,8,5,7,0,1,4,3,2,6,6,3,4,2,8,5,7,0,1,5,0,1,8,4,3,6,7,2,4,6,3,7,2,0,1,8,5,7,2,8,1,5,6,4,3,0]}
+PUZZLE:
+3 _ _  _ _ _  9 _ _
+_ _ 1  _ _ 9  3 6 _
+_ _ 7  _ 8 _  _ _ _
+
+1 _ 3  4 _ 8  _ _ _
+_ 6 8  1 _ _  _ _ 7
+7 _ 5  3 _ _  _ _ _
+
+_ _ 2  _ _ _  _ 8 3
+_ _ _  _ _ _  _ _ _
+_ _ _  _ 6 _  5 4 _
+
+SOLUTION:
+3 8 6  5 1 2  9 7 4
+2 5 1  7 4 9  3 6 8
+4 9 7  6 8 3  1 2 5
+
+1 2 3  4 7 8  6 5 9
+9 6 8  1 2 5  4 3 7
+7 4 5  3 9 6  8 1 2
+
+6 1 2  9 5 4  7 8 3
+5 7 4  8 3 1  2 9 6
+8 3 9  2 6 7  5 4 1
+
+RATING: 2
+DATA:
+{"puzzle":[6,null,null,null,null,5,null,1,null,null,null,0,8,null,null,null,null,null,8,2,null,null,0,null,3,null,null,null,7,null,null,6,null,null,null,4,null,null,null,null,4,null,null,null,null,null,4,null,null,null,1,5,null,null,2,6,8,null,5,null,null,null,null,null,null,7,null,null,null,null,null,null,null,1,null,null,8,null,null,3,0],"solution":[6,3,4,2,7,5,0,1,8,7,5,0,8,1,3,6,4,2,8,2,1,4,0,6,3,5,7,5,7,3,0,6,8,1,2,4,1,8,6,5,4,2,7,0,3,0,4,2,7,3,1,5,8,6,2,6,8,3,5,0,4,7,1,3,0,7,1,2,4,8,6,5,4,1,5,6,8,7,2,3,0]}
+PUZZLE:
+7 _ _  _ _ 6  _ 2 _
+_ _ 1  9 _ _  _ _ _
+9 3 _  _ 1 _  4 _ _
+
+_ 8 _  _ 7 _  _ _ 5
+_ _ _  _ 5 _  _ _ _
+_ 5 _  _ _ 2  6 _ _
+
+3 7 9  _ 6 _  _ _ _
+_ _ 8  _ _ _  _ _ _
+_ 2 _  _ 9 _  _ 4 1
+
+SOLUTION:
+7 4 5  3 8 6  1 2 9
+8 6 1  9 2 4  7 5 3
+9 3 2  5 1 7  4 6 8
+
+6 8 4  1 7 9  2 3 5
+2 9 7  6 5 3  8 1 4
+1 5 3  8 4 2  6 9 7
+
+3 7 9  4 6 1  5 8 2
+4 1 8  2 3 5  9 7 6
+5 2 6  7 9 8  3 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,7,null,null,null,7,null,8,null,null,null,0,null,5,null,3,null,null,4,null,1,8,8,null,null,null,null,null,5,3,null,null,null,4,null,null,3,null,null,0,null,null,0,null,null,null,null,null,1,null,null,null,null,null,null,6,null,5,null,8,6,7,1,null,null,null,null,3,null,null,null,null,0,null,null,null],"solution":[1,4,8,3,0,2,7,5,6,6,7,2,8,5,1,3,0,4,5,0,3,6,7,4,2,1,8,8,6,1,0,4,7,5,3,2,7,5,4,1,2,3,8,6,0,2,3,0,5,8,6,4,7,1,0,1,7,2,3,8,6,4,5,4,8,6,7,1,5,0,2,3,3,2,5,4,6,0,1,8,7]}
+PUZZLE:
+_ _ _  _ _ _  8 _ _
+_ 8 _  9 _ _  _ 1 _
+6 _ 4  _ _ 5  _ 2 9
+
+9 _ _  _ _ _  6 4 _
+_ _ 5  _ _ 4  _ _ 1
+_ _ 1  _ _ _  _ _ 2
+
+_ _ _  _ _ _  7 _ 6
+_ 9 7  8 2 _  _ _ _
+4 _ _  _ _ 1  _ _ _
+
+SOLUTION:
+2 5 9  4 1 3  8 6 7
+7 8 3  9 6 2  4 1 5
+6 1 4  7 8 5  3 2 9
+
+9 7 2  1 5 8  6 4 3
+8 6 5  2 3 4  9 7 1
+3 4 1  6 9 7  5 8 2
+
+1 2 8  3 4 9  7 5 6
+5 9 7  8 2 6  1 3 4
+4 3 6  5 7 1  2 9 8
+
+RATING: 2
+DATA:
+{"puzzle":[null,7,null,8,null,null,null,null,0,2,1,null,null,null,3,null,null,null,null,null,null,6,null,null,null,null,null,null,null,1,5,8,null,7,null,null,null,null,0,null,null,null,4,null,null,6,null,null,null,3,null,8,null,null,null,null,null,null,null,4,null,2,5,3,2,null,null,null,null,null,null,7,null,null,null,null,7,null,6,null,null],"solution":[5,7,6,8,4,2,3,1,0,2,1,8,7,0,3,5,4,6,0,4,3,6,5,1,2,7,8,4,3,1,5,8,0,7,6,2,7,8,0,1,2,6,4,5,3,6,5,2,4,3,7,8,0,1,8,6,7,3,1,4,0,2,5,3,2,4,0,6,5,1,8,7,1,0,5,2,7,8,6,3,4]}
+PUZZLE:
+_ 8 _  9 _ _  _ _ 1
+3 2 _  _ _ 4  _ _ _
+_ _ _  7 _ _  _ _ _
+
+_ _ 2  6 9 _  8 _ _
+_ _ 1  _ _ _  5 _ _
+7 _ _  _ 4 _  9 _ _
+
+_ _ _  _ _ 5  _ 3 6
+4 3 _  _ _ _  _ _ 8
+_ _ _  _ 8 _  7 _ _
+
+SOLUTION:
+6 8 7  9 5 3  4 2 1
+3 2 9  8 1 4  6 5 7
+1 5 4  7 6 2  3 8 9
+
+5 4 2  6 9 1  8 7 3
+8 9 1  2 3 7  5 6 4
+7 6 3  5 4 8  9 1 2
+
+9 7 8  4 2 5  1 3 6
+4 3 5  1 7 6  2 9 8
+2 1 6  3 8 9  7 4 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,4,null,5,2,6,null,null,null,null,1,4,null,null,null,3,null,0,null,8,null,null,null,null,null,null,null,null,null,null,0,4,null,null,null,null,2,null,8,3,null,4,null,1,null,null,null,1,null,null,3,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,7,null,7,8,null,null,null,5,null,null,2],"solution":[3,7,4,0,5,2,6,1,8,2,5,1,4,6,8,0,3,7,0,6,8,7,1,3,2,5,4,8,1,3,5,0,4,7,2,6,6,2,5,8,3,7,4,0,1,4,0,7,1,2,6,3,8,5,5,3,2,6,7,1,8,4,0,1,4,6,2,8,0,5,7,3,7,8,0,3,4,5,1,6,2]}
+PUZZLE:
+_ _ 5  _ 6 3  7 _ _
+_ _ 2  5 _ _  _ 4 _
+1 _ 9  _ _ _  _ _ _
+
+_ _ _  _ 1 5  _ _ _
+_ 3 _  9 4 _  5 _ 2
+_ _ _  2 _ _  4 _ _
+
+_ _ _  7 _ _  _ _ _
+_ _ _  _ _ _  _ 8 _
+8 9 _  _ _ 6  _ _ 3
+
+SOLUTION:
+4 8 5  1 6 3  7 2 9
+3 6 2  5 7 9  1 4 8
+1 7 9  8 2 4  3 6 5
+
+9 2 4  6 1 5  8 3 7
+7 3 6  9 4 8  5 1 2
+5 1 8  2 3 7  4 9 6
+
+6 4 3  7 8 2  9 5 1
+2 5 7  3 9 1  6 8 4
+8 9 1  4 5 6  2 7 3
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,null,null,0,null,null,null,null,null,null,null,4,null,null,null,3,null,7,null,null,null,null,6,5,null,6,null,1,8,5,null,null,null,null,null,2,5,0,null,null,3,8,null,null,null,null,4,null,null,null,null,null,7,3,null,null,null,2,null,null,0,null,null,null,null,null,null,null,2,5,null,6,null,null,null,null,null,null,null],"solution":[2,5,3,6,7,0,8,1,4,8,1,6,2,4,5,0,7,3,0,7,4,1,3,8,6,5,2,6,0,1,8,5,3,2,4,7,4,2,5,0,6,7,3,8,1,3,8,7,4,2,1,5,0,6,7,3,8,5,1,2,4,6,0,1,4,0,3,8,6,7,2,5,5,6,2,7,0,4,1,3,8]}
+PUZZLE:
+_ _ _  _ _ 1  _ _ _
+_ _ _  _ 5 _  _ _ 4
+_ 8 _  _ _ _  7 6 _
+
+7 _ 2  9 6 _  _ _ _
+_ 3 6  1 _ _  4 9 _
+_ _ _  5 _ _  _ _ _
+
+8 4 _  _ _ 3  _ _ 1
+_ _ _  _ _ _  _ 3 6
+_ 7 _  _ _ _  _ _ _
+
+SOLUTION:
+3 6 4  7 8 1  9 2 5
+9 2 7  3 5 6  1 8 4
+1 8 5  2 4 9  7 6 3
+
+7 1 2  9 6 4  3 5 8
+5 3 6  1 7 8  4 9 2
+4 9 8  5 3 2  6 1 7
+
+8 4 9  6 2 3  5 7 1
+2 5 1  4 9 7  8 3 6
+6 7 3  8 1 5  2 4 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,4,null,3,null,null,null,null,5,8,1,null,null,6,null,null,null,3,6,null,null,null,null,null,8,null,7,null,null,null,null,null,null,0,null,null,null,null,null,4,0,6,null,null,null,null,null,null,null,2,7,null,5,null,0,null,6,null,null,4,7,null,4,null,null,null,null,3,2,null,null,null,null,null,null,null,4,null,null,3],"solution":[0,7,4,5,3,8,1,2,6,5,8,1,0,2,6,3,4,7,3,6,2,4,1,7,5,8,0,7,2,6,3,5,1,8,0,4,8,3,5,7,4,0,6,1,2,1,4,0,8,6,2,7,3,5,2,0,3,6,8,5,4,7,1,4,5,7,1,0,3,2,6,8,6,1,8,2,7,4,0,5,3]}
+PUZZLE:
+_ _ 5  _ 4 _  _ _ _
+6 9 2  _ _ 7  _ _ _
+4 7 _  _ _ _  _ 9 _
+
+8 _ _  _ _ _  _ 1 _
+_ _ _  _ 5 1  7 _ _
+_ _ _  _ _ 3  8 _ 6
+
+_ 1 _  7 _ _  5 8 _
+5 _ _  _ _ 4  3 _ _
+_ _ _  _ _ 5  _ _ 4
+
+SOLUTION:
+1 8 5  6 4 9  2 3 7
+6 9 2  1 3 7  4 5 8
+4 7 3  5 2 8  6 9 1
+
+8 3 7  4 6 2  9 1 5
+9 4 6  8 5 1  7 2 3
+2 5 1  9 7 3  8 4 6
+
+3 1 4  7 9 6  5 8 2
+5 6 8  2 1 4  3 7 9
+7 2 9  3 8 5  1 6 4
+
+RATING: 5
+DATA:
+{"puzzle":[null,8,null,null,null,null,null,7,null,null,null,1,5,null,null,null,8,null,null,6,null,null,null,1,4,null,0,null,7,null,null,null,4,null,6,3,null,2,null,null,null,null,null,4,8,1,null,null,null,null,null,null,null,null,null,null,2,1,null,null,null,null,null,0,null,null,null,null,7,3,null,null,null,null,null,4,8,null,null,null,null],"solution":[2,8,3,0,4,6,5,7,1,4,0,1,5,7,3,6,8,2,5,6,7,8,2,1,4,3,0,8,7,5,2,0,4,1,6,3,6,2,0,3,1,5,7,4,8,1,3,4,7,6,8,2,0,5,7,4,2,1,3,0,8,5,6,0,1,8,6,5,7,3,2,4,3,5,6,4,8,2,0,1,7]}
+PUZZLE:
+_ 9 _  _ _ _  _ 8 _
+_ _ 2  6 _ _  _ 9 _
+_ 7 _  _ _ 2  5 _ 1
+
+_ 8 _  _ _ 5  _ 7 4
+_ 3 _  _ _ _  _ 5 9
+2 _ _  _ _ _  _ _ _
+
+_ _ 3  2 _ _  _ _ _
+1 _ _  _ _ 8  4 _ _
+_ _ _  5 9 _  _ _ _
+
+SOLUTION:
+3 9 4  1 5 7  6 8 2
+5 1 2  6 8 4  7 9 3
+6 7 8  9 3 2  5 4 1
+
+9 8 6  3 1 5  2 7 4
+7 3 1  4 2 6  8 5 9
+2 4 5  8 7 9  3 1 6
+
+8 5 3  2 4 1  9 6 7
+1 2 9  7 6 8  4 3 5
+4 6 7  5 9 3  1 2 8
+
+RATING: 3
+DATA:
+{"puzzle":[null,1,null,null,2,null,null,null,null,null,null,null,null,null,7,null,1,null,5,null,null,6,null,null,null,8,2,null,null,3,null,8,null,4,0,null,null,null,null,null,null,null,null,null,1,0,2,null,null,3,null,null,7,null,null,7,5,null,null,1,null,null,null,3,null,null,null,null,null,null,null,6,6,null,null,5,null,null,null,null,3],"solution":[8,1,0,4,2,3,5,6,7,2,3,6,8,5,7,0,1,4,5,4,7,6,1,0,3,8,2,1,6,3,7,8,2,4,0,5,7,5,8,0,4,6,2,3,1,0,2,4,1,3,5,6,7,8,4,7,5,3,6,1,8,2,0,3,8,1,2,0,4,7,5,6,6,0,2,5,7,8,1,4,3]}
+PUZZLE:
+_ 2 _  _ 3 _  _ _ _
+_ _ _  _ _ 8  _ 2 _
+6 _ _  7 _ _  _ 9 3
+
+_ _ 4  _ 9 _  5 1 _
+_ _ _  _ _ _  _ _ 2
+1 3 _  _ 4 _  _ 8 _
+
+_ 8 6  _ _ 2  _ _ _
+4 _ _  _ _ _  _ _ 7
+7 _ _  6 _ _  _ _ 4
+
+SOLUTION:
+9 2 1  5 3 4  6 7 8
+3 4 7  9 6 8  1 2 5
+6 5 8  7 2 1  4 9 3
+
+2 7 4  8 9 3  5 1 6
+8 6 9  1 5 7  3 4 2
+1 3 5  2 4 6  7 8 9
+
+5 8 6  4 7 2  9 3 1
+4 9 2  3 1 5  8 6 7
+7 1 3  6 8 9  2 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,5,null,null,3,null,null,4,null,6,1,null,null,null,null,2,null,null,3,null,null,4,null,null,7,null,null,5,2,null,null,8,1,null,null,null,null,null,5,null,6,null,null,1,0,null,null,null,null,null,null,null,3,6,null,null,4,null,4,5,null,null,null,null,0,null,3,null,null,8,null,null,null,null,null,null],"solution":[1,7,4,0,8,2,5,3,6,3,8,0,4,5,6,1,2,7,5,6,2,7,1,3,8,0,4,0,4,7,8,3,5,2,6,1,8,1,3,6,2,7,4,5,0,6,2,5,1,0,4,3,7,8,2,0,1,3,6,8,7,4,5,4,5,6,2,7,1,0,8,3,7,3,8,5,4,0,6,1,2]}
+PUZZLE:
+_ _ _  _ _ _  6 _ _
+4 _ _  5 _ 7  2 _ _
+_ _ 3  _ _ 4  _ _ 5
+
+_ _ 8  _ _ 6  3 _ _
+9 2 _  _ _ _  _ 6 _
+7 _ _  2 1 _  _ _ _
+
+_ _ _  4 7 _  _ 5 _
+5 6 _  _ _ _  1 _ 4
+_ _ 9  _ _ _  _ _ _
+
+SOLUTION:
+2 8 5  1 9 3  6 4 7
+4 9 1  5 6 7  2 3 8
+6 7 3  8 2 4  9 1 5
+
+1 5 8  9 4 6  3 7 2
+9 2 4  7 3 8  5 6 1
+7 3 6  2 1 5  4 8 9
+
+3 1 2  4 7 9  8 5 6
+5 6 7  3 8 2  1 9 4
+8 4 9  6 5 1  7 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,0,null,2,null,4,null,null,null,null,null,7,null,null,6,2,null,null,null,null,8,null,null,null,null,null,0,null,null,null,4,3,null,5,2,null,3,8,null,null,null,null,8,null,null,null,null,null,null,1,null,6,null,3,0,5,null,null,4,null,null,5,null,null,null,null,null,null,1,null,null,2,null,6,null,null,null,null],"solution":[3,7,5,1,0,6,2,8,4,1,4,8,5,2,7,3,0,6,2,0,6,4,3,8,1,7,5,7,6,0,2,1,5,4,3,8,5,2,1,3,8,4,7,6,0,8,3,4,6,7,0,5,1,2,6,1,3,0,5,2,8,4,7,0,5,7,8,4,3,6,2,1,4,8,2,7,6,1,0,5,3]}
+PUZZLE:
+_ _ _  _ 1 _  3 _ 5
+_ _ _  _ _ 8  _ _ 7
+3 _ _  _ _ 9  _ _ _
+
+_ _ 1  _ _ _  5 4 _
+6 3 _  4 9 _  _ _ _
+9 _ _  _ _ _  _ 2 _
+
+7 _ 4  1 6 _  _ 5 _
+_ 6 _  _ _ _  _ _ 2
+_ _ 3  _ 7 _  _ _ _
+
+SOLUTION:
+4 8 6  2 1 7  3 9 5
+2 5 9  6 3 8  4 1 7
+3 1 7  5 4 9  2 8 6
+
+8 7 1  3 2 6  5 4 9
+6 3 2  4 9 5  8 7 1
+9 4 5  7 8 1  6 2 3
+
+7 2 4  1 6 3  9 5 8
+1 6 8  9 5 4  7 3 2
+5 9 3  8 7 2  1 6 4
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,2,null,null,1,null,null,5,null,null,null,null,null,4,null,null,8,null,null,null,4,6,3,0,null,null,2,null,1,null,null,null,null,null,null,8,null,3,null,null,6,null,1,null,null,5,null,null,null,null,null,4,null,null,null,7,null,null,null,null,null,null,null,0,null,null,null,null,8,6,null,5,6,null,null,null,5,1,null,null,null],"solution":[3,2,6,8,1,7,0,5,4,1,0,7,2,4,5,3,8,6,8,5,4,6,3,0,7,1,2,4,1,2,0,7,3,5,6,8,7,3,8,5,6,4,1,2,0,5,6,0,1,8,2,4,7,3,2,7,5,3,0,6,8,4,1,0,4,1,7,2,8,6,3,5,6,8,3,4,5,1,2,0,7]}
+PUZZLE:
+_ 3 _  _ 2 _  _ 6 _
+_ _ _  _ 5 _  _ 9 _
+_ _ 5  7 4 1  _ _ 3
+
+_ 2 _  _ _ _  _ _ 9
+_ 4 _  _ 7 _  2 _ _
+6 _ _  _ _ _  5 _ _
+
+_ 8 _  _ _ _  _ _ _
+1 _ _  _ _ 9  7 _ 6
+7 _ _  _ 6 2  _ _ _
+
+SOLUTION:
+4 3 7  9 2 8  1 6 5
+2 1 8  3 5 6  4 9 7
+9 6 5  7 4 1  8 2 3
+
+5 2 3  1 8 4  6 7 9
+8 4 9  6 7 5  2 3 1
+6 7 1  2 9 3  5 8 4
+
+3 8 6  4 1 7  9 5 2
+1 5 2  8 3 9  7 4 6
+7 9 4  5 6 2  3 1 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,8,null,null,null,null,1,null,null,null,4,null,null,0,0,null,null,6,null,5,8,null,null,null,null,0,null,2,null,null,3,4,4,5,null,null,null,3,2,null,null,null,null,null,null,8,null,null,null,null,null,null,null,3,5,null,null,null,null,null,null,7,0,null,null,6,null,null,6,4,null,null,null,null,null,null,null],"solution":[7,3,6,1,0,8,5,4,2,5,1,8,2,7,4,3,6,0,0,2,4,6,3,5,8,7,1,8,6,0,5,2,1,7,3,4,4,5,1,7,6,3,2,0,8,2,7,3,4,8,0,1,5,6,1,0,2,3,5,6,4,8,7,3,8,7,0,4,2,6,1,5,6,4,5,8,1,7,0,2,3]}
+PUZZLE:
+_ _ _  _ _ 9  _ _ _
+_ 2 _  _ _ 5  _ _ 1
+1 _ _  7 _ 6  9 _ _
+
+_ _ 1  _ 3 _  _ 4 5
+5 6 _  _ _ 4  3 _ _
+_ _ _  _ 9 _  _ _ _
+
+_ _ _  4 6 _  _ _ _
+_ _ 8  1 _ _  7 _ _
+7 5 _  _ _ _  _ _ _
+
+SOLUTION:
+8 4 7  2 1 9  6 5 3
+6 2 9  3 8 5  4 7 1
+1 3 5  7 4 6  9 8 2
+
+9 7 1  6 3 2  8 4 5
+5 6 2  8 7 4  3 1 9
+3 8 4  5 9 1  2 6 7
+
+2 1 3  4 6 7  5 9 8
+4 9 8  1 5 3  7 2 6
+7 5 6  9 2 8  1 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,7,null,1,4,8,null,3,0,null,null,null,null,3,null,null,null,null,1,null,null,8,null,null,2,null,null,8,null,null,6,null,0,null,null,null,null,null,null,null,1,null,null,null,null,null,6,3,2,null,null,null,null,2,null,null,null,null,null,null,null,null,3,5,null,null,null,null,4,7,null,null,null,null,null,4,2,null,null,null],"solution":[5,2,7,6,1,4,8,0,3,0,4,8,2,5,3,6,1,7,6,1,3,7,8,0,5,2,4,7,8,2,4,6,5,0,3,1,4,3,5,0,7,1,2,6,8,1,0,6,3,2,8,7,4,5,2,6,4,5,3,7,1,8,0,3,5,1,8,0,6,4,7,2,8,7,0,1,4,2,3,5,6]}
+PUZZLE:
+_ _ 8  _ 2 5  9 _ 4
+1 _ _  _ _ 4  _ _ _
+_ 2 _  _ 9 _  _ 3 _
+
+_ 9 _  _ 7 _  1 _ _
+_ _ _  _ _ 2  _ _ _
+_ _ 7  4 3 _  _ _ _
+
+3 _ _  _ _ _  _ _ _
+4 6 _  _ _ _  5 8 _
+_ _ _  _ 5 3  _ _ _
+
+SOLUTION:
+6 3 8  7 2 5  9 1 4
+1 5 9  3 6 4  7 2 8
+7 2 4  8 9 1  6 3 5
+
+8 9 3  5 7 6  1 4 2
+5 4 6  1 8 2  3 7 9
+2 1 7  4 3 9  8 5 6
+
+3 7 5  6 4 8  2 9 1
+4 6 2  9 1 7  5 8 3
+9 8 1  2 5 3  4 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[6,5,4,null,null,3,2,null,null,2,null,null,null,null,6,null,7,null,null,null,null,null,null,4,null,null,null,5,null,null,null,null,null,3,null,null,null,4,8,3,7,null,6,null,null,null,null,null,null,1,null,null,null,5,4,null,0,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,1,8,null,4,null,null,null,3,0],"solution":[6,5,4,7,0,3,2,8,1,2,0,1,8,5,6,4,7,3,8,7,3,1,2,4,0,5,6,5,1,7,6,4,2,3,0,8,0,4,8,3,7,5,6,1,2,3,2,6,0,1,8,7,4,5,4,6,0,5,3,1,8,2,7,7,3,5,2,8,0,1,6,4,1,8,2,4,6,7,5,3,0]}
+PUZZLE:
+7 6 5  _ _ 4  3 _ _
+3 _ _  _ _ 7  _ 8 _
+_ _ _  _ _ 5  _ _ _
+
+6 _ _  _ _ _  4 _ _
+_ 5 9  4 8 _  7 _ _
+_ _ _  _ 2 _  _ _ 6
+
+5 _ 1  _ _ _  _ _ _
+_ _ _  3 _ _  _ _ _
+2 9 _  5 _ _  _ 4 1
+
+SOLUTION:
+7 6 5  8 1 4  3 9 2
+3 1 2  9 6 7  5 8 4
+9 8 4  2 3 5  1 6 7
+
+6 2 8  7 5 3  4 1 9
+1 5 9  4 8 6  7 2 3
+4 3 7  1 2 9  8 5 6
+
+5 7 1  6 4 2  9 3 8
+8 4 6  3 9 1  2 7 5
+2 9 3  5 7 8  6 4 1
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,null,null,null,4,6,null,5,null,null,null,null,null,null,7,null,null,8,null,null,5,null,2,null,null,null,null,8,null,null,null,null,2,4,null,1,7,null,null,null,null,null,0,null,null,null,8,null,1,null,null,null,null,null,null,4,null,null,null,1,null,null,7,null,3,6,2,null,null,null,4,null,null,1,null,null,6,null,null],"solution":[2,0,3,7,1,8,4,6,5,5,6,1,2,4,0,8,7,3,7,8,4,6,5,3,2,0,1,3,5,8,0,7,6,1,2,4,6,1,7,5,2,4,3,8,0,0,4,2,8,3,1,7,5,6,8,3,6,4,0,7,5,1,2,1,7,5,3,6,2,0,4,8,4,2,0,1,8,5,6,3,7]}
+PUZZLE:
+3 _ _  _ _ _  5 7 _
+6 _ _  _ _ _  _ 8 _
+_ 9 _  _ 6 _  3 _ _
+
+_ _ 9  _ _ _  _ 3 5
+_ 2 8  _ _ _  _ _ 1
+_ _ _  9 _ 2  _ _ _
+
+_ _ _  5 _ _  _ 2 _
+_ 8 _  4 7 3  _ _ _
+5 _ _  2 _ _  7 _ _
+
+SOLUTION:
+3 1 4  8 2 9  5 7 6
+6 7 2  3 5 1  9 8 4
+8 9 5  7 6 4  3 1 2
+
+4 6 9  1 8 7  2 3 5
+7 2 8  6 3 5  4 9 1
+1 5 3  9 4 2  8 6 7
+
+9 4 7  5 1 8  6 2 3
+2 8 6  4 7 3  1 5 9
+5 3 1  2 9 6  7 4 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[6,0,null,null,null,8,1,null,null,8,4,null,null,null,null,null,null,null,null,null,null,6,2,1,8,null,null,null,null,null,null,null,2,5,null,null,0,1,null,null,8,7,null,null,3,null,null,null,null,null,null,null,null,8,3,null,null,null,null,null,null,1,null,null,null,7,3,null,null,null,null,null,null,null,null,2,null,null,0,null,null],"solution":[6,0,2,4,3,8,1,5,7,8,4,1,7,0,5,3,6,2,7,5,3,6,2,1,8,4,0,4,3,8,0,6,2,5,7,1,0,1,6,5,8,7,4,2,3,2,7,5,1,4,3,6,0,8,3,2,0,8,5,4,7,1,6,5,6,7,3,1,0,2,8,4,1,8,4,2,7,6,0,3,5]}
+PUZZLE:
+7 1 _  _ _ 9  2 _ _
+9 5 _  _ _ _  _ _ _
+_ _ _  7 3 2  9 _ _
+
+_ _ _  _ _ 3  6 _ _
+1 2 _  _ 9 8  _ _ 4
+_ _ _  _ _ _  _ _ 9
+
+4 _ _  _ _ _  _ 2 _
+_ _ 8  4 _ _  _ _ _
+_ _ _  3 _ _  1 _ _
+
+SOLUTION:
+7 1 3  5 4 9  2 6 8
+9 5 2  8 1 6  4 7 3
+8 6 4  7 3 2  9 5 1
+
+5 4 9  1 7 3  6 8 2
+1 2 7  6 9 8  5 3 4
+3 8 6  2 5 4  7 1 9
+
+4 3 1  9 6 5  8 2 7
+6 7 8  4 2 1  3 9 5
+2 9 5  3 8 7  1 4 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,4,3,null,null,null,null,null,0,null,null,null,null,null,5,3,6,2,null,null,null,0,null,null,1,null,5,null,2,null,4,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,8,0,null,null,null,null,null,null,null,0,8,null,null,4,6,null,6,null,3,7,null,1,null,null,null,1,null,null,null,null,5,null,null],"solution":[1,7,5,4,3,8,0,6,2,8,0,4,1,2,6,7,5,3,6,2,3,7,5,0,4,8,1,3,5,1,2,6,4,8,7,0,7,8,0,5,1,3,6,2,4,2,4,6,8,0,7,3,1,5,5,3,7,0,8,1,2,4,6,4,6,2,3,7,5,1,0,8,0,1,8,6,4,2,5,3,7]}
+PUZZLE:
+_ _ _  5 4 _  _ _ _
+_ 1 _  _ _ _  _ 6 4
+7 3 _  _ _ 1  _ _ 2
+
+_ 6 _  3 _ 5  _ _ _
+8 _ _  _ _ _  _ _ _
+_ _ _  9 1 _  _ _ _
+
+_ _ _  1 9 _  _ 5 7
+_ 7 _  4 8 _  2 _ _
+_ 2 _  _ _ _  6 _ _
+
+SOLUTION:
+2 8 6  5 4 9  1 7 3
+9 1 5  2 3 7  8 6 4
+7 3 4  8 6 1  5 9 2
+
+4 6 2  3 7 5  9 8 1
+8 9 1  6 2 4  7 3 5
+3 5 7  9 1 8  4 2 6
+
+6 4 8  1 9 2  3 5 7
+5 7 3  4 8 6  2 1 9
+1 2 9  7 5 3  6 4 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,0,8,null,null,5,null,null,null,2,null,null,7,5,null,1,null,3,null,null,null,4,null,null,null,null,null,null,1,null,null,null,null,null,null,null,5,null,null,null,7,null,4,null,null,null,8,3,null,null,null,7,null,null,null,3,null,null,null,0,null,null,0,8,null,null,1,null,null,null,null,null,null,null,7,null,null,null,null,6],"solution":[1,7,0,8,2,3,5,6,4,8,2,4,6,7,5,3,1,0,3,6,5,0,4,1,7,2,8,7,3,1,4,6,8,2,0,5,2,5,6,1,0,7,8,4,3,4,0,8,3,5,2,6,7,1,6,1,3,2,8,4,0,5,7,0,8,7,5,1,6,4,3,2,5,4,2,7,3,0,1,8,6]}
+PUZZLE:
+_ _ 1  9 _ _  6 _ _
+_ 3 _  _ 8 6  _ 2 _
+4 _ _  _ 5 _  _ _ _
+
+_ _ 2  _ _ _  _ _ _
+_ 6 _  _ _ 8  _ 5 _
+_ _ 9  4 _ _  _ 8 _
+
+_ _ 4  _ _ _  1 _ _
+1 9 _  _ 2 _  _ _ _
+_ _ _  8 _ _  _ _ 7
+
+SOLUTION:
+2 8 1  9 3 4  6 7 5
+9 3 5  7 8 6  4 2 1
+4 7 6  1 5 2  8 3 9
+
+8 4 2  5 7 9  3 1 6
+3 6 7  2 1 8  9 5 4
+5 1 9  4 6 3  7 8 2
+
+7 2 4  3 9 5  1 6 8
+1 9 8  6 2 7  5 4 3
+6 5 3  8 4 1  2 9 7
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,null,6,2,7,null,4,0,null,null,null,null,null,null,null,null,null,6,7,null,null,null,null,null,null,null,null,4,5,null,null,0,null,3,2,null,1,null,8,null,null,6,null,null,7,null,4,3,null,null,null,1,null,null,6,null,1,null,null,5,2,null,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,3,7],"solution":[8,1,5,3,6,2,7,0,4,0,2,3,8,4,7,5,1,6,4,6,7,1,0,5,3,2,8,6,8,4,5,2,1,0,7,3,2,3,1,7,8,0,4,6,5,5,7,0,4,3,6,2,8,1,7,4,6,0,1,3,8,5,2,3,5,2,6,7,8,1,4,0,1,0,8,2,5,4,6,3,7]}
+PUZZLE:
+_ _ _  _ 7 3  8 _ 5
+1 _ _  _ _ _  _ _ _
+_ 7 8  _ _ _  _ _ _
+
+_ _ 5  6 _ _  1 _ 4
+3 _ 2  _ 9 _  _ 7 _
+_ 8 _  5 4 _  _ _ 2
+
+_ _ 7  _ 2 _  _ 6 3
+_ _ 3  _ _ _  _ _ _
+_ _ _  _ _ _  _ 4 8
+
+SOLUTION:
+9 2 6  4 7 3  8 1 5
+1 3 4  9 5 8  6 2 7
+5 7 8  2 1 6  4 3 9
+
+7 9 5  6 3 2  1 8 4
+3 4 2  8 9 1  5 7 6
+6 8 1  5 4 7  3 9 2
+
+8 5 7  1 2 4  9 6 3
+4 6 3  7 8 9  2 5 1
+2 1 9  3 6 5  7 4 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,null,2,null,0,null,null,3,null,null,null,4,null,null,8,7,null,null,null,null,null,1,null,null,null,null,null,7,null,1,null,null,null,8,0,null,8,null,null,2,6,null,null,null,3,null,null,null,null,null,null,null,1,null,null,null,null,0,null,null,null,null,null,2,null,7,null,3,4,6,null,null,3,null,null,null,null,null,1],"solution":[4,6,1,7,2,8,0,3,5,3,2,0,5,4,6,1,8,7,7,8,5,3,0,1,2,6,4,6,5,7,0,1,3,4,2,8,0,1,8,4,5,2,6,7,3,2,3,4,6,8,7,5,1,0,1,4,6,8,3,0,7,5,2,8,0,2,1,7,5,3,4,6,5,7,3,2,6,4,8,0,1]}
+PUZZLE:
+_ 7 _  _ 3 _  1 _ _
+4 _ _  _ 5 _  _ 9 8
+_ _ _  _ _ 2  _ _ _
+
+_ _ 8  _ 2 _  _ _ 9
+1 _ 9  _ _ 3  7 _ _
+_ 4 _  _ _ _  _ _ _
+
+2 _ _  _ _ 1  _ _ _
+_ _ 3  _ 8 _  4 5 7
+_ _ 4  _ _ _  _ _ 2
+
+SOLUTION:
+5 7 2  8 3 9  1 4 6
+4 3 1  6 5 7  2 9 8
+8 9 6  4 1 2  3 7 5
+
+7 6 8  1 2 4  5 3 9
+1 2 9  5 6 3  7 8 4
+3 4 5  7 9 8  6 2 1
+
+2 5 7  9 4 1  8 6 3
+9 1 3  2 8 6  4 5 7
+6 8 4  3 7 5  9 1 2
+
+RATING: 4.25
+DATA:
+{"puzzle":[2,null,null,null,null,3,null,1,null,null,3,null,null,5,null,null,null,null,null,null,5,null,null,6,null,null,null,null,null,8,null,null,null,null,null,null,null,0,4,null,null,7,null,null,5,7,null,null,null,2,null,0,4,null,null,null,null,null,null,0,6,null,null,6,null,null,5,null,null,7,null,null,null,4,null,8,null,null,null,null,null],"solution":[2,8,6,0,4,3,5,1,7,0,3,1,7,5,8,4,6,2,4,7,5,2,1,6,8,0,3,5,2,8,3,0,4,1,7,6,1,0,4,6,8,7,3,2,5,7,6,3,1,2,5,0,4,8,8,5,2,4,7,0,6,3,1,6,1,0,5,3,2,7,8,4,3,4,7,8,6,1,2,5,0]}
+PUZZLE:
+3 _ _  _ _ 4  _ 2 _
+_ 4 _  _ 6 _  _ _ _
+_ _ 6  _ _ 7  _ _ _
+
+_ _ 9  _ _ _  _ _ _
+_ 1 5  _ _ 8  _ _ 6
+8 _ _  _ 3 _  1 5 _
+
+_ _ _  _ _ 1  7 _ _
+7 _ _  6 _ _  8 _ _
+_ 5 _  9 _ _  _ _ _
+
+SOLUTION:
+3 9 7  1 5 4  6 2 8
+1 4 2  8 6 9  5 7 3
+5 8 6  3 2 7  9 1 4
+
+6 3 9  4 1 5  2 8 7
+2 1 5  7 9 8  4 3 6
+8 7 4  2 3 6  1 5 9
+
+9 6 3  5 8 1  7 4 2
+7 2 1  6 4 3  8 9 5
+4 5 8  9 7 2  3 6 1
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,1,null,null,null,null,7,null,null,0,null,null,null,null,6,null,null,2,4,null,2,null,3,null,null,null,null,null,null,null,null,null,null,null,1,null,7,5,6,null,null,null,4,null,3,null,null,3,null,null,null,null,7,null,5,3,1,null,2,null,null,null,null,null,null,null,0,8,null,6,null,null,null,null,null,null,null,7,1,null,null],"solution":[3,1,5,2,4,0,7,6,8,0,8,7,5,1,6,3,4,2,4,6,2,7,3,8,0,5,1,8,2,0,4,7,3,5,1,6,7,5,6,1,0,2,4,8,3,1,4,3,8,6,5,2,7,0,5,3,1,6,2,4,8,0,7,2,7,4,0,8,1,6,3,5,6,0,8,3,5,7,1,2,4]}
+PUZZLE:
+_ 2 _  _ _ _  8 _ _
+1 _ _  _ _ 7  _ _ 3
+5 _ 3  _ 4 _  _ _ _
+
+_ _ _  _ _ _  _ 2 _
+8 6 7  _ _ _  5 _ 4
+_ _ 4  _ _ _  _ 8 _
+
+6 4 2  _ 3 _  _ _ _
+_ _ _  1 9 _  7 _ _
+_ _ _  _ _ 8  2 _ _
+
+SOLUTION:
+4 2 6  3 5 1  8 7 9
+1 9 8  6 2 7  4 5 3
+5 7 3  8 4 9  1 6 2
+
+9 3 1  5 8 4  6 2 7
+8 6 7  2 1 3  5 9 4
+2 5 4  9 7 6  3 8 1
+
+6 4 2  7 3 5  9 1 8
+3 8 5  1 9 2  7 4 6
+7 1 9  4 6 8  2 3 5
+
+RATING: 0
+DATA:
+{"puzzle":[8,null,null,null,null,2,null,4,null,null,2,null,1,null,4,null,null,null,null,null,5,null,null,null,null,null,2,null,null,null,null,1,null,null,null,null,0,null,null,7,null,5,null,3,null,7,1,4,null,null,0,null,6,null,null,3,null,null,null,6,null,null,null,null,null,1,5,0,null,null,null,null,null,null,null,null,null,null,null,null,0],"solution":[8,0,3,6,5,2,7,4,1,6,2,7,1,8,4,0,5,3,1,4,5,0,3,7,6,8,2,3,5,6,4,1,8,2,0,7,0,8,2,7,6,5,1,3,4,7,1,4,3,2,0,5,6,8,2,3,0,8,7,6,4,1,5,4,7,1,5,0,3,8,2,6,5,6,8,2,4,1,3,7,0]}
+PUZZLE:
+9 _ _  _ _ 3  _ 5 _
+_ 3 _  2 _ 5  _ _ _
+_ _ 6  _ _ _  _ _ 3
+
+_ _ _  _ 2 _  _ _ _
+1 _ _  8 _ 6  _ 4 _
+8 2 5  _ _ 1  _ 7 _
+
+_ 4 _  _ _ 7  _ _ _
+_ _ 2  6 1 _  _ _ _
+_ _ _  _ _ _  _ _ 1
+
+SOLUTION:
+9 1 4  7 6 3  8 5 2
+7 3 8  2 9 5  1 6 4
+2 5 6  1 4 8  7 9 3
+
+4 6 7  5 2 9  3 1 8
+1 9 3  8 7 6  2 4 5
+8 2 5  4 3 1  6 7 9
+
+3 4 1  9 8 7  5 2 6
+5 8 2  6 1 4  9 3 7
+6 7 9  3 5 2  4 8 1
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,4,null,null,7,null,null,0,null,7,null,null,3,null,null,1,null,null,null,null,3,null,0,6,null,null,null,5,null,4,null,null,null,6,null,1,null,7,null,null,1,2,0,null,null,0,null,null,null,6,null,null,null,null,null,null,null,null,3,null,null,5,null,null,null,null,null,null,null,3,1,4,8,null,null,null,null,0,null,null,null],"solution":[6,4,2,8,7,1,5,0,3,7,5,0,3,2,4,1,6,8,1,8,3,5,0,6,2,4,7,5,2,4,0,8,3,6,7,1,3,7,6,4,1,2,0,8,5,0,1,8,7,6,5,4,3,2,4,6,1,2,3,7,8,5,0,2,0,7,6,5,8,3,1,4,8,3,5,1,4,0,7,2,6]}
+PUZZLE:
+_ 5 _  _ 8 _  _ 1 _
+8 _ _  4 _ _  2 _ _
+_ _ 4  _ 1 7  _ _ _
+
+6 _ 5  _ _ _  7 _ 2
+_ 8 _  _ 2 3  1 _ _
+1 _ _  _ 7 _  _ _ _
+
+_ _ _  _ 4 _  _ 6 _
+_ _ _  _ _ _  4 2 5
+9 _ _  _ _ 1  _ _ _
+
+SOLUTION:
+7 5 3  9 8 2  6 1 4
+8 6 1  4 3 5  2 7 9
+2 9 4  6 1 7  3 5 8
+
+6 3 5  1 9 4  7 8 2
+4 8 7  5 2 3  1 9 6
+1 2 9  8 7 6  5 4 3
+
+5 7 2  3 4 8  9 6 1
+3 1 8  7 6 9  4 2 5
+9 4 6  2 5 1  8 3 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,2,null,null,null,5,null,null,null,6,null,2,1,null,null,3,null,null,5,null,null,null,6,null,null,null,null,null,null,8,0,null,null,null,null,7,null,6,null,null,1,null,null,null,0,1,null,null,3,null,6,null,7,null,null,4,null,null,null,null,null,2,5,null,1,null,null,null,null,0,null,null,null,3,null,null,5],"solution":[7,1,6,4,8,2,3,5,0,5,8,0,3,6,7,2,1,4,2,3,4,1,5,0,7,8,6,1,6,3,2,4,5,8,0,7,0,2,8,7,3,6,5,4,1,4,7,5,0,1,8,6,3,2,6,5,7,8,0,4,1,2,3,3,4,2,5,7,1,0,6,8,8,0,1,6,2,3,4,7,5]}
+PUZZLE:
+_ _ _  _ _ 3  _ _ _
+6 _ _  _ 7 _  3 2 _
+_ 4 _  _ 6 _  _ _ 7
+
+_ _ _  _ _ _  9 1 _
+_ _ _  8 _ 7  _ _ 2
+_ _ _  1 2 _  _ 4 _
+
+7 _ 8  _ _ 5  _ _ _
+_ _ 3  6 _ 2  _ _ _
+_ 1 _  _ _ 4  _ _ 6
+
+SOLUTION:
+8 2 7  5 9 3  4 6 1
+6 9 1  4 7 8  3 2 5
+3 4 5  2 6 1  8 9 7
+
+2 7 4  3 5 6  9 1 8
+1 3 9  8 4 7  6 5 2
+5 8 6  1 2 9  7 4 3
+
+7 6 8  9 1 5  2 3 4
+4 5 3  6 8 2  1 7 9
+9 1 2  7 3 4  5 8 6
+
+RATING: 2.5
+DATA:
+{"puzzle":[7,null,null,null,1,4,null,null,5,2,null,8,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,7,null,3,null,null,0,null,null,null,null,null,null,null,6,null,4,7,null,null,2,null,null,null,8,6,null,3,null,null,null,null,0,null,null,null,null,0,null,5,null,null,null,null,null,5,null,8,null,3,null,null],"solution":[7,3,6,8,1,4,0,2,5,2,0,8,3,5,7,6,4,1,5,1,4,2,6,0,8,7,3,8,6,1,7,4,3,2,5,0,3,5,2,1,0,8,7,6,4,4,7,0,5,2,6,1,3,8,6,8,3,4,7,1,5,0,2,1,2,7,0,3,5,4,8,6,0,4,5,6,8,2,3,1,7]}
+PUZZLE:
+8 _ _  _ 2 5  _ _ 6
+3 _ 9  _ _ _  _ _ 2
+_ _ _  _ _ _  _ _ _
+
+_ _ _  8 _ 4  _ _ 1
+_ _ _  _ _ _  _ 7 _
+5 8 _  _ 3 _  _ _ 9
+
+7 _ 4  _ _ _  _ 1 _
+_ _ _  1 _ 6  _ _ _
+_ _ 6  _ 9 _  4 _ _
+
+SOLUTION:
+8 4 7  9 2 5  1 3 6
+3 1 9  4 6 8  7 5 2
+6 2 5  3 7 1  9 8 4
+
+9 7 2  8 5 4  3 6 1
+4 6 3  2 1 9  8 7 5
+5 8 1  6 3 7  2 4 9
+
+7 9 4  5 8 2  6 1 3
+2 3 8  1 4 6  5 9 7
+1 5 6  7 9 3  4 2 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,4,2,3,null,null,8,3,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,null,4,null,5,null,null,1,7,null,null,0,7,1,null,null,null,null,null,8,1,null,null,2,null,null,null,null,null,null,null,null,4,null,6,null,null,null,7,null,null,null,3,5,null,null,null,null,null,6,5,null,null,0,2],"solution":[7,5,0,8,6,4,2,3,1,2,8,3,0,1,5,4,6,7,1,6,4,3,7,2,0,8,5,3,4,2,5,8,0,1,7,6,5,0,7,1,3,6,8,2,4,8,1,6,4,2,7,3,5,0,0,2,5,7,4,8,6,1,3,6,7,1,2,0,3,5,4,8,4,3,8,6,5,1,7,0,2]}
+PUZZLE:
+_ 6 _  _ _ 5  3 4 _
+_ 9 4  _ _ _  _ _ 8
+_ _ _  _ _ _  _ _ _
+
+_ 5 _  6 _ _  2 8 _
+_ 1 8  2 _ _  _ _ _
+9 2 _  _ 3 _  _ _ _
+
+_ _ _  _ 5 _  7 _ _
+_ 8 _  _ _ 4  6 _ _
+_ _ _  7 6 _  _ 1 3
+
+SOLUTION:
+8 6 1  9 7 5  3 4 2
+3 9 4  1 2 6  5 7 8
+2 7 5  4 8 3  1 9 6
+
+4 5 3  6 9 1  2 8 7
+6 1 8  2 4 7  9 3 5
+9 2 7  5 3 8  4 6 1
+
+1 3 6  8 5 9  7 2 4
+7 8 2  3 1 4  6 5 9
+5 4 9  7 6 2  8 1 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4,null,null,null,null,null,6,0,null,null,1,0,null,null,3,5,2,null,null,7,null,8,null,4,null,null,null,null,null,null,null,4,null,null,6,null,null,null,null,4,null,null,null,1,3,5,0,null,null,null,null,0,null,null,1,2,null,5,null,6,null,null,null,null,null],"solution":[5,0,2,1,4,8,7,6,3,6,1,7,2,3,5,0,4,8,4,3,8,7,6,0,5,2,1,0,6,1,3,5,2,4,8,7,3,8,5,4,1,7,2,0,6,7,2,4,0,8,6,1,3,5,2,4,6,8,7,1,3,5,0,8,7,3,5,0,4,6,1,2,1,5,0,6,2,3,8,7,4]}
+PUZZLE:
+_ _ _  _ _ _  _ _ _
+_ 2 _  _ _ _  _ 5 _
+_ _ _  _ 7 1  _ _ 2
+
+1 _ _  4 6 3  _ _ 8
+_ 9 _  5 _ _  _ _ _
+_ _ 5  _ _ 7  _ _ _
+
+_ 5 _  _ _ 2  4 6 1
+_ _ _  _ 1 _  _ 2 3
+_ 6 _  7 _ _  _ _ _
+
+SOLUTION:
+6 1 3  2 5 9  8 7 4
+7 2 8  3 4 6  1 5 9
+5 4 9  8 7 1  6 3 2
+
+1 7 2  4 6 3  5 9 8
+4 9 6  5 2 8  3 1 7
+8 3 5  1 9 7  2 4 6
+
+3 5 7  9 8 2  4 6 1
+9 8 4  6 1 5  7 2 3
+2 6 1  7 3 4  9 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,2,null,7,null,null,null,6,5,null,null,3,null,null,null,7,null,null,null,8,null,5,null,null,null,null,null,8,null,null,null,2,null,null,null,6,null,null,null,null,null,5,null,null,null,3,6,null,4,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,1,null,0,8,null,3,null,null,1,3,null,null,null,0,2],"solution":[8,1,0,2,4,7,6,3,5,6,5,2,0,3,1,4,8,7,3,4,7,8,6,5,1,2,0,7,0,8,5,1,3,2,6,4,1,6,4,7,0,2,3,5,8,5,2,3,6,8,4,0,7,1,0,3,5,4,2,8,7,1,6,2,7,6,1,5,0,8,4,3,4,8,1,3,7,6,5,0,2]}
+PUZZLE:
+_ 2 _  3 _ 8  _ _ _
+7 6 _  _ 4 _  _ _ 8
+_ _ _  9 _ 6  _ _ _
+
+_ _ 9  _ _ _  3 _ _
+_ 7 _  _ _ _  _ 6 _
+_ _ 4  7 _ 5  _ _ 2
+
+_ _ _  _ _ _  _ _ _
+_ _ _  2 _ 1  9 _ 4
+_ _ 2  4 _ _  _ 1 3
+
+SOLUTION:
+9 2 1  3 5 8  7 4 6
+7 6 3  1 4 2  5 9 8
+4 5 8  9 7 6  2 3 1
+
+8 1 9  6 2 4  3 7 5
+2 7 5  8 1 3  4 6 9
+6 3 4  7 9 5  1 8 2
+
+1 4 6  5 3 9  8 2 7
+3 8 7  2 6 1  9 5 4
+5 9 2  4 8 7  6 1 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,2,4,6,null,null,null,null,null,8,null,null,null,null,null,null,8,5,null,3,1,null,null,null,null,null,null,0,null,null,null,4,null,8,null,3,null,6,null,null,null,6,5,null,8,null,null,3,null,null,1,null,null,6,null,null,7,3,null,null,null,null,1,null,4,null,null,null,8,null,null,null,5,7,null,null,null],"solution":[5,0,3,7,1,2,4,6,8,7,6,1,4,8,0,5,2,3,4,2,8,5,6,3,1,0,7,3,1,7,2,0,5,6,8,4,2,8,4,3,7,6,0,1,5,6,5,0,8,4,1,3,7,2,1,4,5,6,2,8,7,3,0,0,7,2,1,3,4,8,5,6,8,3,6,0,5,7,2,4,1]}
+PUZZLE:
+_ _ _  _ _ 3  5 7 _
+_ _ _  _ 9 _  _ _ _
+_ _ 9  6 _ 4  2 _ _
+
+_ _ _  _ 1 _  _ _ 5
+_ 9 _  4 _ 7  _ _ _
+7 6 _  9 _ _  4 _ _
+
+2 _ _  7 _ _  8 4 _
+_ _ _  2 _ 5  _ _ _
+9 _ _  _ 6 8  _ _ _
+
+SOLUTION:
+6 1 4  8 2 3  5 7 9
+8 7 2  5 9 1  6 3 4
+5 3 9  6 7 4  2 1 8
+
+4 2 8  3 1 6  7 9 5
+3 9 5  4 8 7  1 2 6
+7 6 1  9 5 2  4 8 3
+
+2 5 6  7 3 9  8 4 1
+1 8 3  2 4 5  9 6 7
+9 4 7  1 6 8  3 5 2
+
+RATING: 0
+DATA:
+{"puzzle":[5,null,7,null,8,null,null,null,2,null,3,null,null,null,4,1,null,8,null,null,0,null,2,3,null,null,null,3,2,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,5,null,null,null,null,8,null,null,2,0,null,null,null,null,null,null,2,8,null,null,null,7,null,null,5,null,null,null,6],"solution":[5,4,7,1,8,6,0,3,2,2,3,6,5,0,4,1,7,8,1,8,0,7,2,3,5,6,4,3,2,5,6,7,1,4,8,0,7,1,8,0,4,5,6,2,3,6,0,4,2,3,8,7,5,1,4,6,3,8,1,7,2,0,5,0,5,1,3,6,2,8,4,7,8,7,2,4,5,0,3,1,6]}
+PUZZLE:
+6 _ 8  _ 9 _  _ _ 3
+_ 4 _  _ _ 5  2 _ 9
+_ _ 1  _ 3 4  _ _ _
+
+4 3 _  _ _ 2  _ _ _
+_ _ _  _ _ _  _ _ _
+7 _ _  _ _ _  _ 6 _
+
+_ _ _  9 _ _  3 1 _
+_ _ _  _ _ 3  9 _ _
+_ 8 _  _ 6 _  _ _ 7
+
+SOLUTION:
+6 5 8  2 9 7  1 4 3
+3 4 7  6 1 5  2 8 9
+2 9 1  8 3 4  6 7 5
+
+4 3 6  7 8 2  5 9 1
+8 2 9  1 5 6  7 3 4
+7 1 5  3 4 9  8 6 2
+
+5 7 4  9 2 8  3 1 6
+1 6 2  4 7 3  9 5 8
+9 8 3  5 6 1  4 2 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,4,5,null,1,null,1,null,null,null,null,null,6,null,null,null,null,null,0,5,3,8,null,null,null,null,5,null,0,null,null,null,null,null,null,7,null,3,1,null,0,null,6,null,null,null,null,null,null,null,8,7,1,null,null,null,0,null,null,null,4,null,null,null,null,6,3,null,null,null,6,null,5,null,null,null,null],"solution":[7,8,3,6,2,4,5,0,1,5,1,0,3,8,7,2,6,4,6,2,4,1,0,5,3,8,7,1,3,2,5,4,0,8,7,6,4,5,8,7,6,3,1,2,0,0,6,7,8,1,2,4,5,3,8,7,1,2,3,6,0,4,5,2,4,5,0,7,1,6,3,8,3,0,6,4,5,8,7,1,2]}
+PUZZLE:
+_ _ _  _ _ 5  6 _ 2
+_ 2 _  _ _ _  _ 7 _
+_ _ _  _ 1 6  4 9 _
+
+_ _ _  6 _ 1  _ _ _
+_ _ _  8 _ 4  2 _ 1
+_ 7 _  _ _ _  _ _ _
+
+9 8 2  _ _ _  1 _ _
+_ 5 _  _ _ _  7 4 _
+_ _ 7  _ 6 _  _ _ _
+
+SOLUTION:
+8 9 4  7 3 5  6 1 2
+6 2 1  4 9 8  3 7 5
+7 3 5  2 1 6  4 9 8
+
+2 4 3  6 5 1  9 8 7
+5 6 9  8 7 4  2 3 1
+1 7 8  9 2 3  5 6 4
+
+9 8 2  3 4 7  1 5 6
+3 5 6  1 8 2  7 4 9
+4 1 7  5 6 9  8 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,4,null,null,7,2,null,null,5,null,null,0,null,null,4,null,null,null,8,null,null,null,null,1,null,null,4,null,5,7,8,null,null,8,null,null,null,2,null,null,3,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,6,null,null,null,null,1,8,null,null,4,null,null,null,3,null,null,2,0,null,4,null,null],"solution":[0,8,1,3,4,5,6,7,2,6,2,5,7,1,0,3,8,4,7,4,3,8,6,2,5,0,1,1,3,4,6,5,7,8,2,0,8,6,0,4,2,1,7,3,5,5,7,2,0,8,3,1,4,6,4,0,7,1,3,6,2,5,8,2,1,8,5,7,4,0,6,3,3,5,6,2,0,8,4,1,7]}
+PUZZLE:
+_ _ _  _ 5 _  _ 8 3
+_ _ 6  _ _ 1  _ _ 5
+_ _ _  9 _ _  _ _ 2
+
+_ _ 5  _ 6 8  9 _ _
+9 _ _  _ 3 _  _ 4 _
+_ _ _  _ _ _  _ _ 7
+
+_ _ _  _ _ 7  _ _ _
+_ 2 9  _ _ 5  _ _ _
+4 _ _  3 1 _  5 _ _
+
+SOLUTION:
+1 9 2  4 5 6  7 8 3
+7 3 6  8 2 1  4 9 5
+8 5 4  9 7 3  6 1 2
+
+2 4 5  7 6 8  9 3 1
+9 7 1  5 3 2  8 4 6
+6 8 3  1 9 4  2 5 7
+
+5 1 8  2 4 7  3 6 9
+3 2 9  6 8 5  1 7 4
+4 6 7  3 1 9  5 2 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,4,8,null,null,null,null,null,null,6,null,null,null,5,null,1,null,null,null,7,null,3,4,null,0,null,6,null,null,0,2,8,null,null,5,null,null,null,null,null,null,6,null,null,4,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,4,3,null,3,null,null,null,4,7,null,5,null],"solution":[0,5,4,8,1,2,7,6,3,8,6,3,7,0,5,2,1,4,1,2,7,6,3,4,5,0,8,6,7,1,0,2,8,3,4,5,2,3,8,4,5,1,6,7,0,4,0,5,3,7,6,8,2,1,7,4,0,5,6,3,1,8,2,5,1,6,2,8,0,4,3,7,3,8,2,1,4,7,0,5,6]}
+PUZZLE:
+_ _ 5  9 _ _  _ _ _
+_ 7 _  _ _ 6  _ 2 _
+_ _ 8  _ 4 5  _ 1 _
+
+7 _ _  1 3 9  _ _ 6
+_ _ _  _ _ _  7 _ _
+5 _ _  _ _ _  9 _ _
+
+_ _ _  _ _ _  _ _ _
+6 _ _  _ _ _  5 4 _
+4 _ _  _ 5 8  _ 6 _
+
+SOLUTION:
+1 6 5  9 2 3  8 7 4
+9 7 4  8 1 6  3 2 5
+2 3 8  7 4 5  6 1 9
+
+7 8 2  1 3 9  4 5 6
+3 4 9  5 6 2  7 8 1
+5 1 6  4 8 7  9 3 2
+
+8 5 1  6 7 4  2 9 3
+6 2 7  3 9 1  5 4 8
+4 9 3  2 5 8  1 6 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,4,0,null,null,null,null,null,6,null,6,null,0,2,null,null,null,null,null,null,null,null,null,null,null,8,null,6,0,null,8,null,null,5,null,null,null,null,null,3,null,null,null,1,null,null,5,8,null,null,null,6,4,null,null,2,null,1,4,null,null,null,null,null,3,null,null,0,null,null,5,null,null,null,7,null,null,null,null,null,4],"solution":[7,4,0,5,8,3,1,2,6,8,6,3,0,2,1,4,7,5,5,1,2,4,6,7,3,8,0,6,0,1,8,7,4,5,3,2,2,7,4,3,5,6,0,1,8,3,5,8,2,1,0,6,4,7,0,2,5,1,4,8,7,6,3,4,3,6,7,0,2,8,5,1,1,8,7,6,3,5,2,0,4]}
+PUZZLE:
+_ 5 1  _ _ _  _ _ 7
+_ 7 _  1 3 _  _ _ _
+_ _ _  _ _ _  _ 9 _
+
+7 1 _  9 _ _  6 _ _
+_ _ _  4 _ _  _ 2 _
+_ 6 9  _ _ _  7 5 _
+
+_ 3 _  2 5 _  _ _ _
+_ 4 _  _ 1 _  _ 6 _
+_ _ 8  _ _ _  _ _ 5
+
+SOLUTION:
+8 5 1  6 9 4  2 3 7
+9 7 4  1 3 2  5 8 6
+6 2 3  5 7 8  4 9 1
+
+7 1 2  9 8 5  6 4 3
+3 8 5  4 6 7  1 2 9
+4 6 9  3 2 1  7 5 8
+
+1 3 6  2 5 9  8 7 4
+5 4 7  8 1 3  9 6 2
+2 9 8  7 4 6  3 1 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,6,5,null,null,null,7,3,2,null,null,null,null,8,null,null,null,5,3,null,null,null,null,null,null,8,null,1,null,null,null,null,null,null,null,6,null,3,null,null,0,5,null,null,1,7,null,8,0,3,null,null,null,null,null,null,7,1,6,null,null,null,3,0,5,null,4,null,null,null,null,null,null,1,null],"solution":[7,4,3,0,1,8,2,6,5,5,1,6,7,3,2,4,8,0,2,8,0,6,4,5,3,7,1,3,2,4,5,8,7,1,0,6,8,7,1,4,0,6,5,3,2,6,0,5,3,2,1,7,4,8,0,3,8,1,5,4,6,2,7,1,6,2,8,7,3,0,5,4,4,5,7,2,6,0,8,1,3]}
+PUZZLE:
+_ _ _  _ _ _  _ 7 6
+_ _ _  8 4 3  _ _ _
+_ 9 _  _ _ 6  4 _ _
+
+_ _ _  _ 9 _  2 _ _
+_ _ _  _ _ 7  _ 4 _
+_ 1 6  _ _ 2  8 _ 9
+
+1 4 _  _ _ _  _ _ 8
+2 7 _  _ _ 4  1 6 _
+5 _ _  _ _ _  _ 2 _
+
+SOLUTION:
+8 5 4  1 2 9  3 7 6
+6 2 7  8 4 3  5 9 1
+3 9 1  7 5 6  4 8 2
+
+4 3 5  6 9 8  2 1 7
+9 8 2  5 1 7  6 4 3
+7 1 6  4 3 2  8 5 9
+
+1 4 9  2 6 5  7 3 8
+2 7 3  9 8 4  1 6 5
+5 6 8  3 7 1  9 2 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,8,null,null,null,null,null,null,7,null,null,null,null,null,null,null,2,null,1,null,null,0,5,6,null,8,null,null,null,null,null,4,null,null,1,null,7,null,null,null,null,8,null,null,0,5,null,null,null,1,null,null,null,2,null,1,null,null,0,null,7,null,null,null,null,null,null,null,4,null,null,null,0,null,5,2,7,null,null,null,1],"solution":[6,8,0,4,3,2,1,5,7,3,5,4,7,8,1,0,2,6,1,2,7,0,5,6,3,8,4,2,0,6,3,4,7,5,1,8,7,4,1,5,2,8,6,3,0,5,3,8,6,1,0,4,7,2,4,1,2,8,0,5,7,6,3,8,7,3,1,6,4,2,0,5,0,6,5,2,7,3,8,4,1]}
+PUZZLE:
+_ 9 _  _ _ _  _ _ 8
+_ _ _  _ _ _  _ 3 _
+2 _ _  1 6 7  _ 9 _
+
+_ _ _  _ 5 _  _ 2 _
+8 _ _  _ _ 9  _ _ 1
+6 _ _  _ 2 _  _ _ 3
+
+_ 2 _  _ 1 _  8 _ _
+_ _ _  _ _ 5  _ _ _
+1 _ 6  3 8 _  _ _ 2
+
+SOLUTION:
+7 9 1  5 4 3  2 6 8
+4 6 5  8 9 2  1 3 7
+2 3 8  1 6 7  4 9 5
+
+3 1 7  4 5 8  6 2 9
+8 5 2  6 3 9  7 4 1
+6 4 9  7 2 1  5 8 3
+
+5 2 3  9 1 6  8 7 4
+9 8 4  2 7 5  3 1 6
+1 7 6  3 8 4  9 5 2
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,8,null,null,null,null,0,null,null,null,null,4,null,6,null,1,null,null,null,1,null,null,null,2,7,null,null,null,4,null,8,5,null,6,null,null,2,6,null,null,4,null,null,null,null,1,null,null,null,null,null,null,3,null,null,null,null,2,null,null,3,1,0,3,null,null,null,null,null,null,null,4,null,2,null,null,null,null,null,5,null],"solution":[6,8,2,5,1,7,0,4,3,7,3,4,0,6,8,1,2,5,5,1,0,4,3,2,7,8,6,0,4,3,8,5,1,6,7,2,2,6,8,7,4,3,5,0,1,1,7,5,6,2,0,4,3,8,8,5,6,2,7,4,3,1,0,3,0,7,1,8,5,2,6,4,4,2,1,3,0,6,8,5,7]}
+PUZZLE:
+_ 9 _  _ _ _  1 _ _
+_ _ 5  _ 7 _  2 _ _
+_ 2 _  _ _ 3  8 _ _
+
+_ 5 _  9 6 _  7 _ _
+3 7 _  _ 5 _  _ _ _
+2 _ _  _ _ _  _ 4 _
+
+_ _ _  3 _ _  4 2 1
+4 _ _  _ _ _  _ _ 5
 _ 3 _  _ _ _  _ 6 _
 
 SOLUTION:
-7 2 6  9 5 1  4 3 8
-1 4 9  3 2 8  6 5 7
-3 8 5  6 7 4  1 9 2
+7 9 3  6 2 8  1 5 4
+8 4 5  1 7 9  2 3 6
+6 2 1  5 4 3  8 9 7
 
-9 1 4  2 6 7  5 8 3
-8 6 3  5 1 9  7 2 4
-5 7 2  8 4 3  9 1 6
+1 5 4  9 6 2  7 8 3
+3 7 9  8 5 4  6 1 2
+2 8 6  7 3 1  5 4 9
 
-2 5 1  4 8 6  3 7 9
-6 9 7  1 3 2  8 4 5
-4 3 8  7 9 5  2 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,null,null,null,null,null,null,null,null,5,0,6,null,null,null,4,null,null,null,null,null,null,null,0,3,null,null,6,null,null,0,null,null,null,null,1,null,null,8,3,5,null,0,3,7,null,null,null,1,null,null,null,null,null,null,2,null,null,8,7,null,null,6,7,null,null,null,3,null,null,8,null,null,null,null,null,null,4,null],"solution":[0,4,1,3,7,2,6,5,8,7,3,5,0,6,8,2,1,4,6,2,8,5,1,4,7,0,3,5,8,6,4,2,0,1,3,7,2,1,4,7,8,3,5,6,0,3,7,0,6,5,1,4,8,2,1,0,3,2,4,6,8,7,5,4,6,7,8,0,5,3,2,1,8,5,2,1,3,7,0,4,6]}
-PUZZLE:
-_ 5 _  _ _ _  _ _ _
-_ _ 6  1 7 _  _ _ 5
-_ _ _  _ _ _  _ 1 4
-
-_ _ 7  _ _ 1  _ _ _
-_ 2 _  _ 9 4  6 _ 1
-4 8 _  _ _ 2  _ _ _
-
-_ _ _  3 _ _  9 8 _
-_ 7 8  _ _ _  4 _ _
-9 _ _  _ _ _  _ 5 _
-
-SOLUTION:
-1 5 2  4 8 3  7 6 9
-8 4 6  1 7 9  3 2 5
-7 3 9  6 2 5  8 1 4
-
-6 9 7  5 3 1  2 4 8
-3 2 5  8 9 4  6 7 1
-4 8 1  7 6 2  5 9 3
-
-2 1 4  3 5 7  9 8 6
-5 7 8  9 1 6  4 3 2
-9 6 3  2 4 8  1 5 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,7,4,null,null,null,null,null,null,null,null,null,null,3,null,null,null,6,8,null,null,null,0,null,6,7,null,null,2,null,null,null,null,8,null,0,null,6,null,null,null,8,null,null,1,4,null,null,null,null,null,2,null,null,null,null,null,3,7,null,null,1,null,null,null,null,4,null,2,5,3,null,7,null,null],"solution":[0,8,6,1,5,3,2,7,4,5,4,1,7,8,2,0,3,6,2,3,7,4,0,6,8,5,1,1,0,4,6,7,5,3,2,8,7,2,3,8,4,0,1,6,5,6,5,8,3,2,1,4,0,7,8,1,0,2,6,7,5,4,3,3,7,5,0,1,4,6,8,2,4,6,2,5,3,8,7,1,0]}
-PUZZLE:
-_ _ _  _ _ _  _ 8 5
-_ _ _  _ _ _  _ _ _
-_ 4 _  _ _ 7  9 _ _
-
-_ 1 _  7 8 _  _ 3 _
-_ _ _  9 _ 1  _ 7 _
-_ _ 9  _ _ 2  5 _ _
-
-_ _ _  3 _ _  _ _ _
-4 8 _  _ 2 _  _ _ _
-5 _ 3  6 4 _  8 _ _
-
-SOLUTION:
-1 9 7  2 6 4  3 8 5
-6 5 2  8 9 3  1 4 7
-3 4 8  5 1 7  9 6 2
-
-2 1 5  7 8 6  4 3 9
-8 3 4  9 5 1  2 7 6
-7 6 9  4 3 2  5 1 8
-
-9 2 1  3 7 8  6 5 4
-4 8 6  1 2 5  7 9 3
-5 7 3  6 4 9  8 2 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,3,null,5,8,null,null,null,null,null,8,5,null,null,1,null,null,6,null,6,null,7,3,null,null,null,null,null,4,3,null,null,null,0,6,null,null,null,8,null,null,4,null,null,null,null,null,null,null,null,7,1,4,null,6,null,null,null,null,2,8,null,1,null,null,1,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null],"solution":[4,3,7,5,8,6,2,1,0,0,8,5,2,4,1,3,7,6,1,6,2,7,3,0,4,8,5,7,4,3,1,5,8,0,6,2,2,1,8,0,6,4,7,5,3,5,0,6,3,2,7,1,4,8,6,5,0,4,7,2,8,3,1,3,7,1,8,0,5,6,2,4,8,2,4,6,1,3,5,0,7]}
-PUZZLE:
-_ 4 _  6 9 _  _ _ _
-_ 9 6  _ _ 2  _ _ 7
-_ 7 _  8 4 _  _ _ _
-
-_ 5 4  _ _ _  1 7 _
-_ _ 9  _ _ 5  _ _ _
-_ _ _  _ _ 8  2 5 _
-
-7 _ _  _ _ 3  9 _ 2
-_ _ 2  _ _ _  _ _ _
-_ _ _  7 _ _  _ _ _
-
-SOLUTION:
-5 4 8  6 9 7  3 2 1
-1 9 6  3 5 2  4 8 7
-2 7 3  8 4 1  5 9 6
-
-8 5 4  2 6 9  1 7 3
-3 2 9  1 7 5  8 6 4
-6 1 7  4 3 8  2 5 9
-
-7 6 1  5 8 3  9 4 2
-4 8 2  9 1 6  7 3 5
-9 3 5  7 2 4  6 1 8
-
-RATING: 4.5
-DATA:
-{"puzzle":[null,null,null,6,8,null,null,5,1,8,null,null,0,5,null,3,null,null,null,null,null,null,null,null,7,null,null,7,null,null,null,null,3,null,null,null,6,null,null,null,null,null,null,null,4,2,null,null,null,null,6,1,0,null,null,4,3,null,null,null,5,null,null,null,null,null,7,null,5,null,null,3,null,null,8,null,null,null,null,null,null],"solution":[3,2,7,6,8,4,0,5,1,8,1,6,0,5,7,3,4,2,4,5,0,3,2,1,7,6,8,7,8,4,1,0,3,6,2,5,6,0,1,5,7,2,8,3,4,2,3,5,8,4,6,1,0,7,1,4,3,2,6,8,5,7,0,0,6,2,7,1,5,4,8,3,5,7,8,4,3,0,2,1,6]}
-PUZZLE:
-_ _ _  7 9 _  _ 6 2
-9 _ _  1 6 _  4 _ _
-_ _ _  _ _ _  8 _ _
-
-8 _ _  _ _ 4  _ _ _
-7 _ _  _ _ _  _ _ 5
-3 _ _  _ _ 7  2 1 _
-
-_ 5 4  _ _ _  6 _ _
-_ _ _  8 _ 6  _ _ 4
-_ _ 9  _ _ _  _ _ _
-
-SOLUTION:
-4 3 8  7 9 5  1 6 2
-9 2 7  1 6 8  4 5 3
-5 6 1  4 3 2  8 7 9
-
-8 9 5  2 1 4  7 3 6
-7 1 2  6 8 3  9 4 5
-3 4 6  9 5 7  2 1 8
-
-2 5 4  3 7 9  6 8 1
-1 7 3  8 2 6  5 9 4
-6 8 9  5 4 1  3 2 7
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,4,null,null,null,null,null,2,null,null,null,3,4,5,null,null,null,null,null,null,null,null,8,1,null,0,null,null,6,null,null,null,5,null,null,2,null,null,0,null,3,null,5,null,null,7,null,null,null,null,null,7,null,3,null,null,null,6,null,null,null,null,8,4,0,2,7,null,null,null,null,null,null,null,null,null,null,null],"solution":[3,8,5,0,4,1,2,7,6,1,2,6,8,7,3,4,5,0,0,7,4,2,5,6,3,8,1,8,0,7,3,6,4,1,2,5,4,6,2,5,1,0,8,3,7,5,3,1,7,2,8,0,6,4,7,4,3,1,8,5,6,0,2,6,5,8,4,0,2,7,1,3,2,1,0,6,3,7,5,4,8]}
-PUZZLE:
-4 _ _  _ 5 _  _ _ _
-_ 3 _  _ _ 4  5 6 _
-_ _ _  _ _ _  _ 9 2
-
-_ 1 _  _ 7 _  _ _ 6
-_ _ 3  _ _ 1  _ 4 _
-6 _ _  8 _ _  _ _ _
-
-8 _ 4  _ _ _  7 _ _
-_ _ 9  5 1 3  8 _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 9 6  1 5 2  3 8 7
-2 3 7  9 8 4  5 6 1
-1 8 5  3 6 7  4 9 2
-
-9 1 8  4 7 5  2 3 6
-5 7 3  6 2 1  9 4 8
-6 4 2  8 3 9  1 7 5
-
-8 5 4  2 9 6  7 1 3
-7 6 9  5 1 3  8 2 4
-3 2 1  7 4 8  6 5 9
+9 6 7  3 8 5  4 2 1
+4 1 8  2 9 6  3 7 5
+5 3 2  4 1 7  9 6 8
 
 RATING: 1.25
 DATA:
-{"puzzle":[4,null,3,null,null,8,0,null,null,null,null,null,null,3,null,8,6,2,null,null,5,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,4,null,3,2,5,null,null,null,null,null,1,null,8,null,4,7,null,null,null,null,6,null,null,null,null,null,2,null,null,null,7,null,null,0,null,4,null,8,null],"solution":[4,2,3,1,6,8,0,7,5,0,1,7,4,3,5,8,6,2,6,8,5,2,0,7,1,3,4,3,4,6,5,7,1,2,0,8,1,7,0,8,2,6,4,5,3,2,5,8,3,4,0,6,1,7,8,0,4,7,1,3,5,2,6,5,3,1,6,8,2,7,4,0,7,6,2,0,5,4,3,8,1]}
+{"puzzle":[null,null,null,null,null,null,null,null,null,4,null,null,null,null,6,null,3,0,null,null,null,4,2,null,null,null,null,null,2,null,null,3,7,null,5,null,null,null,null,null,null,null,null,7,null,null,3,0,null,null,null,null,6,null,null,null,null,null,null,0,null,null,null,0,null,5,6,7,null,null,1,null,6,null,null,8,null,null,null,null,3],"solution":[1,6,8,3,0,5,4,2,7,4,5,2,7,8,6,1,3,0,3,0,7,4,2,1,6,8,5,8,2,6,1,3,7,0,5,4,5,1,4,0,6,8,3,7,2,7,3,0,2,5,4,8,6,1,2,8,3,5,1,0,7,4,6,0,4,5,6,7,3,2,1,8,6,7,1,8,4,2,5,0,3]}
 PUZZLE:
-5 _ 4  _ _ 9  1 _ _
-_ _ _  _ 4 _  9 7 3
-_ _ 6  _ _ 8  _ _ _
-
 _ _ _  _ _ _  _ _ _
-_ _ 1  _ _ _  5 _ 4
-3 6 _  _ _ _  _ 2 _
+5 _ _  _ _ 7  _ 4 1
+_ _ _  5 3 _  _ _ _
 
-9 _ 5  8 _ _  _ _ 7
-_ _ _  _ _ 3  _ _ _
-8 _ _  1 _ 5  _ 9 _
+_ 3 _  _ 4 8  _ 6 _
+_ _ _  _ _ _  _ 8 _
+_ 4 1  _ _ _  _ 7 _
+
+_ _ _  _ _ 1  _ _ _
+1 _ 6  7 8 _  _ 2 _
+7 _ _  9 _ _  _ _ 4
 
 SOLUTION:
-5 3 4  2 7 9  1 8 6
-1 2 8  5 4 6  9 7 3
-7 9 6  3 1 8  2 4 5
+2 7 9  4 1 6  5 3 8
+5 6 3  8 9 7  2 4 1
+4 1 8  5 3 2  7 9 6
 
-4 5 7  6 8 2  3 1 9
-2 8 1  9 3 7  5 6 4
-3 6 9  4 5 1  7 2 8
+9 3 7  2 4 8  1 6 5
+6 2 5  1 7 9  4 8 3
+8 4 1  3 6 5  9 7 2
 
-9 1 5  8 2 4  6 3 7
-6 4 2  7 9 3  8 5 1
-8 7 3  1 6 5  4 9 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,null,5,null,null,null,null,8,0,7,null,6,null,null,null,null,null,null,null,3,8,null,7,null,null,null,null,4,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,4,null,8,null,null,0,1,null,6,null,null,null,null,7,null,null,1,null,null,null,null,7,null,3,null,null,3,null,null,2,null,null,null,8],"solution":[3,7,1,8,6,4,5,2,0,2,4,8,0,7,5,6,1,3,6,0,5,2,1,3,8,4,7,0,5,3,7,4,1,2,8,6,8,1,6,3,0,2,4,7,5,7,2,4,5,8,6,3,0,1,4,6,0,1,3,8,7,5,2,1,8,2,6,5,7,0,3,4,5,3,7,4,2,0,1,6,8]}
-PUZZLE:
-_ _ 2  _ _ _  6 _ _
-_ _ 9  1 8 _  7 _ _
-_ _ _  _ _ 4  9 _ 8
-
-_ _ _  _ 5 _  _ _ _
-_ _ 7  _ _ _  _ _ _
-_ _ 5  _ 9 _  _ 1 2
-
-_ 7 _  _ _ _  8 _ _
-2 _ _  _ _ 8  _ 4 _
-_ 4 _  _ 3 _  _ _ 9
-
-SOLUTION:
-4 8 2  9 7 5  6 3 1
-3 5 9  1 8 6  7 2 4
-7 1 6  3 2 4  9 5 8
-
-1 6 4  8 5 2  3 9 7
-9 2 7  4 1 3  5 8 6
-8 3 5  6 9 7  4 1 2
-
-5 7 1  2 4 9  8 6 3
-2 9 3  7 6 8  1 4 5
-6 4 8  5 3 1  2 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,1,null,null,5,null,0,5,3,null,null,null,null,6,null,null,1,null,null,2,7,null,null,null,null,3,null,null,null,0,null,1,null,2,null,null,null,null,null,4,null,7,null,null,null,null,6,null,null,null,null,8,2,null,null,null,null,5,7,null,null,null,6,null,null,8,2,null,null,null,null,null,5,null,null,null,null],"solution":[2,7,6,0,8,1,4,3,5,8,0,5,3,4,7,2,1,6,3,4,1,5,6,2,7,0,8,4,6,3,8,2,5,0,7,1,5,2,8,7,1,0,6,4,3,7,1,0,4,3,6,5,8,2,6,8,2,1,0,4,3,5,7,1,5,4,6,7,3,8,2,0,0,3,7,2,5,8,1,6,4]}
-PUZZLE:
-_ _ _  _ 9 2  _ _ 6
-_ 1 6  4 _ _  _ _ 7
-_ _ 2  _ _ 3  8 _ _
-
-_ _ 4  _ _ _  1 _ 2
-_ 3 _  _ _ _  _ 5 _
-8 _ _  _ _ 7  _ _ _
-
-_ 9 3  _ _ _  _ 6 8
-_ _ _  7 _ _  9 3 _
-_ _ _  _ 6 _  _ _ _
-
-SOLUTION:
-3 8 7  1 9 2  5 4 6
-9 1 6  4 5 8  3 2 7
-4 5 2  6 7 3  8 1 9
-
-5 7 4  9 3 6  1 8 2
-6 3 9  8 2 1  7 5 4
-8 2 1  5 4 7  6 9 3
-
-7 9 3  2 1 5  4 6 8
-2 6 5  7 8 4  9 3 1
-1 4 8  3 6 9  2 7 5
-
-RATING: 1
-DATA:
-{"puzzle":[2,7,null,null,null,null,null,0,null,5,null,null,null,3,null,null,null,null,6,null,1,8,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,0,5,7,null,null,null,4,3,4,6,null,1,null,null,null,null,7,null,null,null,null,7,5,2,null,null,7,null,null,null,0,2,null,null,null,null,null,null,4,null,null,null,null,null],"solution":[2,7,8,5,6,1,3,0,4,5,4,0,2,3,7,1,6,8,6,3,1,8,4,0,7,2,5,3,8,7,0,5,4,6,1,2,1,0,5,7,2,6,8,4,3,4,6,2,1,8,3,0,5,7,8,1,4,6,7,5,2,3,0,7,5,6,3,0,2,4,8,1,0,2,3,4,1,8,5,7,6]}
-PUZZLE:
-3 8 _  _ _ _  _ 1 _
-6 _ _  _ 4 _  _ _ _
-7 _ 2  9 _ _  _ _ _
-
-_ _ _  _ _ _  _ 2 _
-_ 1 6  8 _ _  _ 5 4
-5 7 _  2 _ _  _ _ 8
-
-_ _ _  _ 8 6  3 _ _
-8 _ _  _ 1 3  _ _ _
-_ _ _  5 _ _  _ _ _
-
-SOLUTION:
-3 8 9  6 7 2  4 1 5
-6 5 1  3 4 8  2 7 9
-7 4 2  9 5 1  8 3 6
-
-4 9 8  1 6 5  7 2 3
-2 1 6  8 3 7  9 5 4
-5 7 3  2 9 4  1 6 8
-
-9 2 5  7 8 6  3 4 1
-8 6 7  4 1 3  5 9 2
-1 3 4  5 2 9  6 8 7
-
-RATING: 1
-DATA:
-{"puzzle":[2,null,null,null,0,null,null,5,null,null,null,null,2,null,null,null,null,null,0,1,8,null,6,5,null,null,null,1,null,null,null,null,null,3,0,null,null,6,null,3,null,null,null,null,5,null,null,3,null,null,null,2,null,6,null,null,null,null,1,null,null,null,null,5,7,null,null,3,null,0,null,2,null,null,null,null,5,null,null,4,8],"solution":[2,4,7,8,0,3,6,5,1,6,3,5,2,4,1,7,8,0,0,1,8,7,6,5,4,2,3,1,8,2,5,7,6,3,0,4,7,6,0,3,2,4,8,1,5,4,5,3,1,8,0,2,7,6,8,0,4,6,1,2,5,3,7,5,7,1,4,3,8,0,6,2,3,2,6,0,5,7,1,4,8]}
-PUZZLE:
-3 _ _  _ 1 _  _ 6 _
-_ _ _  3 _ _  _ _ _
-1 2 9  _ 7 6  _ _ _
-
-2 _ _  _ _ _  4 1 _
-_ 7 _  4 _ _  _ _ 6
-_ _ 4  _ _ _  3 _ 7
-
-_ _ _  _ 2 _  _ _ _
-6 8 _  _ 4 _  1 _ 3
-_ _ _  _ 6 _  _ 5 9
-
-SOLUTION:
-3 5 8  9 1 4  7 6 2
-7 4 6  3 5 2  8 9 1
-1 2 9  8 7 6  5 3 4
-
-2 9 3  6 8 7  4 1 5
-8 7 1  4 3 5  9 2 6
-5 6 4  2 9 1  3 8 7
-
-9 1 5  7 2 3  6 4 8
-6 8 2  5 4 9  1 7 3
-4 3 7  1 6 8  2 5 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,4,null,7,null,null,0,null,null,null,null,null,null,1,null,7,4,null,null,null,null,null,2,3,null,null,null,null,null,null,1,0,null,null,2,7,null,2,null,6,null,null,null,null,null,null,null,8,null,null,null,null,6,0,null,null,null,null,null,null,8,7,null,1,null,null,null,null,null,null,null,2,null,8,null,null,5,0,null,null],"solution":[3,5,4,6,7,8,2,0,1,8,2,0,3,5,1,6,7,4,1,6,7,4,0,2,3,5,8,4,8,6,7,1,0,5,3,2,7,3,2,5,6,4,8,1,0,5,0,1,8,2,3,7,4,6,0,4,5,2,3,6,1,8,7,6,1,3,0,8,7,4,2,5,2,7,8,1,4,5,0,6,3]}
-PUZZLE:
-_ _ 5  _ 8 _  _ 1 _
-_ _ _  _ _ 2  _ 8 5
-_ _ _  _ _ 3  4 _ _
-
-_ _ _  _ 2 1  _ _ 3
-8 _ 3  _ 7 _  _ _ _
-_ _ _  9 _ _  _ _ 7
-
-1 _ _  _ _ _  _ 9 8
-_ 2 _  _ _ _  _ _ _
-3 _ 9  _ _ 6  1 _ _
-
-SOLUTION:
-4 6 5  7 8 9  3 1 2
-9 3 1  4 6 2  7 8 5
-2 7 8  5 1 3  4 6 9
-
-5 9 7  8 2 1  6 4 3
-8 4 3  6 7 5  9 2 1
-6 1 2  9 3 4  8 5 7
-
-1 5 6  3 4 7  2 9 8
-7 2 4  1 9 8  5 3 6
-3 8 9  2 5 6  1 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,5,null,8,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,6,null,1,null,6,2,null,5,null,null,null,null,null,null,4,5,2,null,null,null,null,7,8,1,null,null,null,null,1,null,null,null,null,null,null,null,null,null,3,null,null,7,6,null,0,null,null,0,null,null,null,null,3,null,null],"solution":[4,6,5,3,8,2,7,1,0,0,7,1,5,6,4,8,2,3,8,2,3,1,0,7,4,5,6,3,1,4,6,2,0,5,8,7,6,8,0,7,4,5,2,3,1,2,5,7,8,1,3,0,6,4,1,4,2,0,3,8,6,7,5,5,3,8,4,7,6,1,0,2,7,0,6,2,5,1,3,4,8]}
-PUZZLE:
-5 _ 6  _ 9 _  8 _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  2 _ _  _ _ 7
-
-_ 2 _  7 3 _  6 _ _
-_ _ _  _ 5 6  3 _ _
-_ _ 8  9 2 _  _ _ _
-
-2 _ _  _ _ _  _ _ _
-_ 4 _  _ 8 7  _ 1 _
-_ 1 _  _ _ _  4 _ _
-
-SOLUTION:
-5 7 6  4 9 3  8 2 1
-1 8 2  6 7 5  9 3 4
-9 3 4  2 1 8  5 6 7
-
-4 2 5  7 3 1  6 9 8
-7 9 1  8 5 6  3 4 2
-3 6 8  9 2 4  1 7 5
-
-2 5 3  1 4 9  7 8 6
-6 4 9  5 8 7  2 1 3
-8 1 7  3 6 2  4 5 9
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,7,null,null,null,4,null,8,1,null,null,0,null,null,8,null,2,7,6,4,3,null,null,null,null,null,6,null,null,null,null,null,null,null,null,4,1,null,7,null,4,null,null,null,null,null,3,1,null,null,0,6,null,null,4,null,null,null,null,null,8,null,null,null,null,null,null,1,null,null,null,null,3,null,null,2],"solution":[6,1,2,4,3,0,7,8,5,7,4,3,8,1,5,2,0,6,5,8,0,2,7,6,4,3,1,0,3,1,7,6,8,5,2,4,8,2,5,3,4,1,6,7,0,4,6,7,0,5,2,3,1,8,3,0,6,1,2,4,8,5,7,2,5,8,6,0,7,1,4,3,1,7,4,5,8,3,0,6,2]}
-PUZZLE:
-_ _ _  _ _ _  8 _ _
-_ 5 _  9 2 _  _ 1 _
-_ 9 _  3 8 7  5 4 _
-
-_ _ _  _ 7 _  _ _ _
-_ _ _  _ 5 2  _ 8 _
-5 _ _  _ _ _  4 2 _
-
-_ 1 7  _ _ 5  _ _ _
-_ _ 9  _ _ _  _ _ _
-2 _ _  _ _ 4  _ _ 3
-
-SOLUTION:
-7 2 3  5 4 1  8 9 6
-8 5 4  9 2 6  3 1 7
-6 9 1  3 8 7  5 4 2
-
-1 4 2  8 7 9  6 3 5
-9 3 6  4 5 2  7 8 1
-5 7 8  1 6 3  4 2 9
-
-4 1 7  2 3 5  9 6 8
-3 6 9  7 1 8  2 5 4
-2 8 5  6 9 4  1 7 3
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,0,null,null,null,null,null,null,3,4,8,null,null,null,null,null,null,1,null,null,5,null,null,0,null,1,5,null,null,7,null,8,null,null,8,null,null,null,null,4,null,null,1,null,null,null,6,null,null,null,7,null,null,4,null,3,8,null,null,null,null,null,null,8,null,null,null,2,null,null,6,null,null,null,null,null,7,null,null],"solution":[7,8,5,0,4,1,6,3,2,0,3,4,8,6,2,5,1,7,2,1,6,7,5,3,4,0,8,1,5,3,2,7,0,8,4,6,8,6,7,5,3,4,0,2,1,4,2,0,6,1,8,3,7,5,5,4,2,3,8,7,1,6,0,3,7,8,1,0,6,2,5,4,6,0,1,4,2,5,7,8,3]}
-PUZZLE:
-_ _ _  1 _ _  _ _ _
-_ 4 5  9 _ _  _ _ _
-_ 2 _  _ 6 _  _ 1 _
-
-2 6 _  _ 8 _  9 _ _
-9 _ _  _ _ 5  _ _ 2
-_ _ _  7 _ _  _ 8 _
-
-_ 5 _  4 9 _  _ _ _
-_ _ 9  _ _ _  3 _ _
-7 _ _  _ _ _  8 _ _
-
-SOLUTION:
-8 9 6  1 5 2  7 4 3
-1 4 5  9 7 3  6 2 8
-3 2 7  8 6 4  5 1 9
-
-2 6 4  3 8 1  9 5 7
-9 7 8  6 4 5  1 3 2
-5 3 1  7 2 9  4 8 6
-
-6 5 3  4 9 8  2 7 1
-4 8 9  2 1 7  3 6 5
-7 1 2  5 3 6  8 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,1,null,6,null,4,null,null,null,null,null,8,null,null,null,null,2,5,null,null,null,5,null,3,null,null,null,0,null,null,null,null,null,null,7,null,null,null,null,null,null,2,6,null,null,7,null,null,null,null,null,null,null,null,null,null,4,null,1,null,7,null,2,null,8,null,4,null,6,null,null,0,null,null,null],"solution":[0,2,8,4,3,6,5,1,7,6,5,4,0,1,7,3,2,8,7,3,1,8,2,5,4,0,6,5,7,3,2,8,4,0,6,1,1,6,0,5,7,3,8,4,2,8,4,2,6,0,1,7,3,5,2,0,7,3,6,8,1,5,4,3,1,5,7,4,2,6,8,0,4,8,6,1,5,0,2,7,3]}
-PUZZLE:
-1 _ _  _ _ _  _ 2 _
-7 _ 5  _ _ _  _ _ 9
-_ _ _  _ 3 6  _ _ _
-
-6 _ 4  _ _ _  1 _ _
-_ _ _  _ 8 _  _ _ _
-_ _ 3  7 _ _  8 _ _
-
-_ _ _  _ _ _  _ _ 5
-_ 2 _  8 _ 3  _ 9 _
-5 _ 7  _ _ 1  _ _ _
-
-SOLUTION:
-1 3 9  5 4 7  6 2 8
-7 6 5  1 2 8  4 3 9
-8 4 2  9 3 6  5 1 7
-
-6 8 4  3 9 5  1 7 2
-2 7 1  6 8 4  9 5 3
-9 5 3  7 1 2  8 4 6
-
-3 1 8  4 7 9  2 6 5
-4 2 6  8 5 3  7 9 1
-5 9 7  2 6 1  3 8 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,null,4,null,8,null,null,6,7,null,null,1,null,null,null,null,1,null,null,8,null,null,null,7,1,null,null,null,null,null,null,5,8,6,7,null,null,null,null,4,null,1,null,null,null,5,null,null,null,3,null,3,null,null,null,null,7,null,null,null,null,null,null,null,null,8,null,null,2,null,5,null,null,null,null,null,6,null],"solution":[5,3,0,7,2,4,1,8,6,8,6,7,0,3,1,2,4,5,2,1,4,6,8,5,3,0,7,1,0,3,4,7,2,6,5,8,6,7,5,8,0,3,4,2,1,4,2,8,5,1,6,7,3,0,3,8,6,2,5,7,0,1,4,0,4,1,3,6,8,5,7,2,7,5,2,1,4,0,8,6,3]}
-PUZZLE:
-_ _ 1  _ _ 5  _ 9 _
-_ 7 8  _ _ 2  _ _ _
-_ 2 _  _ 9 _  _ _ 8
-
-2 _ _  _ _ _  _ 6 9
-7 8 _  _ _ _  5 _ 2
-_ _ _  6 _ _  _ 4 _
-
-4 _ _  _ _ 8  _ _ _
-_ _ _  _ _ 9  _ _ 3
-_ 6 _  _ _ _  _ 7 _
-
-SOLUTION:
-6 4 1  8 3 5  2 9 7
-9 7 8  1 4 2  3 5 6
-3 2 5  7 9 6  4 1 8
-
-2 1 4  5 8 3  7 6 9
-7 8 6  9 1 4  5 3 2
-5 3 9  6 2 7  8 4 1
-
-4 9 7  3 6 8  1 2 5
-1 5 2  4 7 9  6 8 3
-8 6 3  2 5 1  9 7 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,null,null,8,6,1,5,null,7,null,null,null,null,null,null,6,null,null,null,2,null,6,null,null,4,2,null,null,8,null,null,5,null,null,null,null,null,0,null,7,null,0,null,null,null,null,4,null,null,null,null,null,0,null,4,null,null,null,null,null,8,null,null,null,null,0,2,null,7,null,5,null,null,null],"solution":[1,4,3,2,0,7,8,6,5,2,8,6,1,5,4,7,0,3,5,0,7,3,6,8,4,1,2,3,6,0,5,4,2,1,7,8,4,1,5,8,7,6,2,3,0,8,7,2,0,3,1,6,5,4,7,3,8,6,2,0,5,4,1,6,5,1,4,8,3,0,2,7,0,2,4,7,1,5,3,8,6]}
-PUZZLE:
-2 _ _  _ _ _  _ _ _
-_ 9 7  2 6 _  8 _ _
-_ _ _  _ 7 _  _ _ 3
-
-_ 7 _  _ 5 3  _ _ 9
-_ _ 6  _ _ _  _ _ 1
-_ 8 _  1 _ _  _ _ 5
-
-_ _ _  _ _ 1  _ 5 _
-_ _ _  _ 9 _  _ _ _
-1 3 _  8 _ 6  _ _ _
-
-SOLUTION:
-2 5 4  3 1 8  9 7 6
-3 9 7  2 6 5  8 1 4
-6 1 8  4 7 9  5 2 3
-
-4 7 1  6 5 3  2 8 9
-5 2 6  9 8 7  3 4 1
-9 8 3  1 4 2  7 6 5
-
-8 4 9  7 3 1  6 5 2
-7 6 2  5 9 4  1 3 8
-1 3 5  8 2 6  4 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,7,null,null,null,null,null,8,2,null,null,null,3,null,null,6,null,1,3,null,null,null,null,0,null,null,8,null,null,4,2,5,null,1,null,0,null,6,null,null,null,null,null,null,null,null,null,7,1,null,4,null,6,null,null,null,null,null,null,null,2,null,null,4,null,null,null,null,null,null,null,null,null,null,8,null,3,7,null],"solution":[5,4,6,7,1,0,2,3,8,8,2,0,4,5,3,7,1,6,7,1,3,2,6,8,4,0,5,3,8,7,0,4,2,5,6,1,4,0,1,6,3,5,8,2,7,2,6,5,8,7,1,0,4,3,6,7,8,3,0,4,1,5,2,1,3,4,5,2,7,6,8,0,0,5,2,1,8,6,3,7,4]}
-PUZZLE:
-_ _ _  8 _ _  _ _ _
-9 3 _  _ _ 4  _ _ 7
-_ 2 4  _ _ _  _ 1 _
-
-_ 9 _  _ 5 3  6 _ 2
-_ 1 _  7 _ _  _ _ _
-_ _ _  _ 8 2  _ 5 _
-
-7 _ _  _ _ _  _ _ 3
-_ _ 5  _ _ _  _ _ _
-_ _ _  _ 9 _  4 8 _
-
-SOLUTION:
-6 5 7  8 2 1  3 4 9
-9 3 1  5 6 4  8 2 7
-8 2 4  3 7 9  5 1 6
-
-4 9 8  1 5 3  6 7 2
-5 1 2  7 4 6  9 3 8
-3 7 6  9 8 2  1 5 4
-
-7 8 9  4 1 5  2 6 3
-2 4 5  6 3 8  7 9 1
-1 6 3  2 9 7  4 8 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,4,null,null,null,null,null,null,null,null,null,null,6,null,7,null,null,null,6,null,null,2,null,null,null,8,3,null,null,null,null,7,null,5,null,null,null,null,null,null,null,null,7,2,null,0,null,null,3,null,6,null,null,null,4,3,null,null,null,null,1,null,null,null,null,null,null,8,5,null,null,5,null,null,6,null,null,8,null,3],"solution":[0,7,4,8,5,3,2,6,1,2,3,8,4,6,1,7,0,5,1,6,5,7,2,0,4,3,8,3,8,6,2,4,7,1,5,0,4,5,1,0,8,6,3,7,2,7,0,2,1,3,5,6,8,4,8,4,3,5,7,2,0,1,6,6,2,0,3,1,8,5,4,7,5,1,7,6,0,4,8,2,3]}
-PUZZLE:
-_ 8 5  _ _ _  _ _ _
-_ _ _  _ 7 _  8 _ _
-_ 7 _  _ 3 _  _ _ 9
-
-4 _ _  _ _ 8  _ 6 _
-_ _ _  _ _ _  _ 8 3
-_ 1 _  _ 4 _  7 _ _
-
-_ 5 4  _ _ _  _ 2 _
-_ _ _  _ _ 9  6 _ _
-6 _ _  7 _ _  9 _ 4
-
-SOLUTION:
-1 8 5  9 6 4  3 7 2
-3 4 9  5 7 2  8 1 6
-2 7 6  8 3 1  5 4 9
-
-4 9 7  3 5 8  2 6 1
-5 6 2  1 9 7  4 8 3
-8 1 3  2 4 6  7 9 5
-
-9 5 4  6 8 3  1 2 7
-7 3 1  4 2 9  6 5 8
-6 2 8  7 1 5  9 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,null,null,null,0,4,null,null,null,0,null,null,4,8,null,6,8,2,null,null,6,null,5,null,null,null,0,null,null,1,null,null,null,null,5,null,null,null,null,null,null,0,null,6,null,null,null,null,null,1,null,8,null,null,null,null,null,8,3,null,null,3,null,5,null,null,1,4,null,7,null,null,null,null,5,6,null,null,null],"solution":[1,6,3,5,8,7,0,4,2,7,5,0,2,3,4,8,1,6,8,2,4,1,6,0,5,7,3,4,0,8,6,1,3,7,2,5,5,3,1,8,7,2,6,0,4,6,7,2,4,0,5,1,3,8,2,1,6,7,4,8,3,5,0,3,8,5,0,2,1,4,6,7,0,4,7,3,5,6,2,8,1]}
-PUZZLE:
-_ _ 4  _ _ _  1 5 _
-_ _ 1  _ _ 5  9 _ 7
-9 3 _  _ 7 _  6 _ _
-
-_ 1 _  _ 2 _  _ _ _
-6 _ _  _ _ _  _ 1 _
-7 _ _  _ _ _  2 _ 9
-
-_ _ _  _ _ 9  4 _ _
-4 _ 6  _ _ 2  5 _ 8
-_ _ _  _ 6 7  _ _ _
-
-SOLUTION:
-2 7 4  6 9 8  1 5 3
-8 6 1  3 4 5  9 2 7
-9 3 5  2 7 1  6 8 4
-
-5 1 9  7 2 4  8 3 6
-6 4 2  9 8 3  7 1 5
-7 8 3  5 1 6  2 4 9
-
-3 2 7  8 5 9  4 6 1
-4 9 6  1 3 2  5 7 8
-1 5 8  4 6 7  3 9 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,6,null,null,5,null,2,null,1,8,null,null,null,null,null,null,null,7,null,null,null,1,2,6,3,null,null,0,null,null,4,null,null,null,null,null,null,null,6,null,8,null,null,null,null,null,null,null,6,null,0,null,5,null,null,null,null,null,7,null,null,0,null,2,null,null,8,null,1,null,null,null,null,7,null,null,4,null],"solution":[0,3,4,1,6,2,7,5,8,2,6,1,8,5,7,3,0,4,5,8,7,4,0,3,1,2,6,3,7,6,0,2,8,4,1,5,1,4,0,5,3,6,2,8,7,8,2,5,7,1,4,6,3,0,4,5,2,6,8,1,0,7,3,7,0,3,2,4,5,8,6,1,6,1,8,3,7,0,5,4,2]}
-PUZZLE:
-_ _ _  _ 7 _  _ 6 _
-3 _ 2  9 _ _  _ _ _
-_ _ 8  _ _ _  2 3 7
-
-4 _ _  1 _ _  5 _ _
-_ _ _  _ _ 7  _ 9 _
-_ _ _  _ _ _  7 _ 1
-
-_ 6 _  _ _ _  _ 8 _
-_ 1 _  3 _ _  9 _ 2
-_ _ _  _ 8 _  _ 5 _
-
-SOLUTION:
-1 4 5  2 7 3  8 6 9
-3 7 2  9 6 8  4 1 5
-6 9 8  5 1 4  2 3 7
-
-4 8 7  1 3 9  5 2 6
-2 5 1  6 4 7  3 9 8
-9 3 6  8 2 5  7 4 1
-
-5 6 3  7 9 2  1 8 4
-8 1 4  3 5 6  9 7 2
-7 2 9  4 8 1  6 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,2,4,3,null,0,null,null,null,null,null,null,null,null,1,null,null,7,null,6,null,null,0,null,null,null,null,8,null,null,null,null,null,7,null,null,4,null,2,null,null,3,null,null,null,2,7,null,null,8,4,5,null,null,null,null,null,null,5,null,2,1,null,null,null,1,null,null,null,null,3,0,null,null,null,null,null,null,null,null],"solution":[8,5,2,4,3,1,0,6,7,3,0,4,7,6,2,1,8,5,7,1,6,5,8,0,2,3,4,1,8,3,0,5,4,6,7,2,5,4,0,2,7,6,3,1,8,6,2,7,3,1,8,4,5,0,4,3,8,6,0,5,7,2,1,2,6,5,1,4,7,8,0,3,0,7,1,8,2,3,5,4,6]}
-PUZZLE:
-_ _ 3  5 4 _  1 _ _
-_ _ _  _ _ _  2 _ _
-8 _ 7  _ _ 1  _ _ _
-
-_ 9 _  _ _ _  _ 8 _
-_ 5 _  3 _ _  4 _ _
-_ 3 8  _ _ 9  5 6 _
-
-_ _ _  _ _ 6  _ 3 2
-_ _ _  2 _ _  _ _ 4
-1 _ _  _ _ _  _ _ _
-
-SOLUTION:
-9 6 3  5 4 2  1 7 8
-4 1 5  8 7 3  2 9 6
-8 2 7  6 9 1  3 4 5
-
-2 9 4  1 6 5  7 8 3
-6 5 1  3 8 7  4 2 9
-7 3 8  4 2 9  5 6 1
-
-5 4 9  7 1 6  8 3 2
-3 7 6  2 5 8  9 1 4
-1 8 2  9 3 4  6 5 7
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,null,1,null,null,null,null,0,null,2,null,null,null,null,null,null,7,null,null,null,null,7,4,6,1,null,5,null,null,3,null,8,null,6,1,null,null,null,4,0,null,null,null,null,6,null,null,null,null,null,null,8,null,null,3,2,null,null,null,null,null,5,null,5,null,null,3,null,null,null,null,null,8,null,5,null,1,null,null,null],"solution":[7,6,4,1,8,3,5,2,0,8,2,1,6,5,0,3,4,7,3,0,5,2,7,4,6,1,8,5,7,0,3,2,8,4,6,1,2,1,8,4,0,6,7,5,3,6,4,3,7,1,5,0,8,2,4,3,2,8,6,7,1,0,5,1,5,6,0,3,2,8,7,4,0,8,7,5,4,1,2,3,6]}
-PUZZLE:
-_ _ _  2 _ _  _ _ 1
-_ 3 _  _ _ _  _ _ 8
-_ _ _  _ 8 5  7 2 _
-
-6 _ _  4 _ 9  _ 7 2
-_ _ _  5 1 _  _ _ _
-7 _ _  _ _ _  _ 9 _
-
-_ 4 3  _ _ _  _ _ 6
-_ 6 _  _ 4 _  _ _ _
-_ 9 _  6 _ 2  _ _ _
-
-SOLUTION:
-8 7 5  2 9 4  6 3 1
-9 3 2  7 6 1  4 5 8
-4 1 6  3 8 5  7 2 9
-
-6 8 1  4 3 9  5 7 2
-3 2 9  5 1 7  8 6 4
-7 5 4  8 2 6  1 9 3
-
-5 4 3  9 7 8  2 1 6
-2 6 7  1 4 3  9 8 5
-1 9 8  6 5 2  3 4 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,2,null,null,null,null,null,null,5,null,null,null,null,null,4,null,0,null,7,4,null,3,null,5,6,null,null,0,null,null,5,null,3,null,null,6,2,null,1,null,null,0,8,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,8,null,1,null,null,3,2,4,null,null,null,6,null,null,null,null,null],"solution":[6,2,8,0,7,1,4,3,5,3,1,5,8,6,4,7,0,2,7,4,0,3,2,5,6,8,1,0,7,4,5,8,3,2,1,6,2,6,1,7,4,0,8,5,3,8,5,3,2,1,6,0,4,7,1,0,7,4,3,2,5,6,8,5,8,6,1,0,7,3,2,4,4,3,2,6,5,8,1,7,0]}
-PUZZLE:
-_ 3 _  _ _ _  _ _ 6
-_ _ _  _ _ 5  _ 1 _
-8 5 _  4 _ 6  7 _ _
-
-1 _ _  6 _ 4  _ _ 7
-3 _ 2  _ _ 1  9 _ _
-9 _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  6 _ _
-_ 9 _  2 _ _  4 3 5
-_ _ _  7 _ _  _ _ _
-
-SOLUTION:
-7 3 9  1 8 2  5 4 6
-4 2 6  9 7 5  8 1 3
-8 5 1  4 3 6  7 9 2
-
-1 8 5  6 9 4  3 2 7
-3 7 2  8 5 1  9 6 4
-9 6 4  3 2 7  1 5 8
-
-2 1 8  5 4 3  6 7 9
-6 9 7  2 1 8  4 3 5
-5 4 3  7 6 9  2 8 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,null,null,3,0,null,4,2,null,null,null,null,null,null,null,null,5,null,8,null,0,4,5,2,null,null,null,null,6,null,null,null,null,null,7,null,null,null,null,null,null,6,null,null,null,null,null,2,null,null,null,3,null,null,null,4,null,7,null,null,null,0,null,null,null,5,null,2,8,null,null,null,null,1,null],"solution":[2,8,5,0,6,7,1,3,4,3,0,1,4,2,8,5,7,6,6,4,7,1,5,3,8,2,0,4,5,2,8,3,0,7,6,1,0,1,3,6,7,2,4,5,8,8,7,6,5,1,4,3,0,2,1,6,0,3,8,5,2,4,7,7,3,4,2,0,1,6,8,5,5,2,8,7,4,6,0,1,3]}
-PUZZLE:
-_ _ 6  _ _ _  _ _ _
-4 1 _  5 3 _  _ _ _
-_ _ _  _ 6 _  9 _ 1
-
-5 6 3  _ _ _  _ 7 _
-_ _ _  _ 8 _  _ _ _
-_ _ 7  _ _ _  _ _ 3
-
-_ _ _  4 _ _  _ 5 _
-8 _ _  _ 1 _  _ _ 6
-_ 3 9  _ _ _  _ 2 _
-
-SOLUTION:
-3 9 6  1 7 8  2 4 5
-4 1 2  5 3 9  6 8 7
-7 5 8  2 6 4  9 3 1
-
-5 6 3  9 4 1  8 7 2
-1 2 4  7 8 3  5 6 9
-9 8 7  6 2 5  4 1 3
-
-2 7 1  4 9 6  3 5 8
-8 4 5  3 1 2  7 9 6
-6 3 9  8 5 7  1 2 4
-
-RATING: 5
-DATA:
-{"puzzle":[null,null,null,null,2,null,1,null,6,null,null,null,0,null,null,null,2,null,5,null,1,4,null,8,null,null,null,null,7,null,8,null,4,null,null,null,null,null,3,null,7,null,null,null,null,2,null,null,null,3,null,null,4,null,null,null,null,null,null,null,7,null,null,null,4,null,3,null,null,null,5,null,null,5,7,6,null,null,3,null,4],"solution":[3,0,4,7,2,5,1,8,6,7,6,8,0,1,3,4,2,5,5,2,1,4,6,8,0,7,3,6,7,0,8,5,4,2,3,1,4,1,3,2,7,6,5,0,8,2,8,5,1,3,0,6,4,7,8,3,2,5,4,1,7,6,0,1,4,6,3,0,7,8,5,2,0,5,7,6,8,2,3,1,4]}
-PUZZLE:
-_ _ _  _ 3 _  2 _ 7
-_ _ _  1 _ _  _ 3 _
-6 _ 2  5 _ 9  _ _ _
-
-_ 8 _  9 _ 5  _ _ _
-_ _ 4  _ 8 _  _ _ _
-3 _ _  _ 4 _  _ 5 _
-
-_ _ _  _ _ _  8 _ _
-_ 5 _  4 _ _  _ 6 _
-_ 6 8  7 _ _  4 _ 5
-
-SOLUTION:
-4 1 5  8 3 6  2 9 7
-8 7 9  1 2 4  5 3 6
-6 3 2  5 7 9  1 8 4
-
-7 8 1  9 6 5  3 4 2
-5 2 4  3 8 7  6 1 9
-3 9 6  2 4 1  7 5 8
-
-9 4 3  6 5 2  8 7 1
-2 5 7  4 1 8  9 6 3
-1 6 8  7 9 3  4 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[5,1,null,0,null,null,7,null,2,null,null,null,null,null,null,null,8,null,null,null,4,6,null,null,0,null,null,null,6,null,2,0,null,null,1,null,null,null,null,null,null,null,null,null,4,null,null,3,7,5,null,2,null,null,null,null,0,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4,2,8,null,null,null,6,null,null],"solution":[5,1,6,0,3,8,7,4,2,3,0,2,5,4,7,1,8,6,7,8,4,6,1,2,0,3,5,8,6,5,2,0,4,3,1,7,2,7,1,8,6,3,5,0,4,0,4,3,7,5,1,2,6,8,1,5,0,4,2,6,8,7,3,6,3,7,1,8,5,4,2,0,4,2,8,3,7,0,6,5,1]}
-PUZZLE:
-6 2 _  1 _ _  8 _ 3
-_ _ _  _ _ _  _ 9 _
-_ _ 5  7 _ _  1 _ _
-
-_ 7 _  3 1 _  _ 2 _
-_ _ _  _ _ _  _ _ 5
-_ _ 4  8 6 _  3 _ _
-
-_ _ 1  _ _ _  _ _ _
-_ _ _  2 _ _  _ _ _
-5 3 9  _ _ _  7 _ _
-
-SOLUTION:
-6 2 7  1 4 9  8 5 3
-4 1 3  6 5 8  2 9 7
-8 9 5  7 2 3  1 4 6
-
-9 7 6  3 1 5  4 2 8
-3 8 2  9 7 4  6 1 5
-1 5 4  8 6 2  3 7 9
-
-2 6 1  5 3 7  9 8 4
-7 4 8  2 9 6  5 3 1
-5 3 9  4 8 1  7 6 2
+3 9 4  6 2 1  8 5 7
+1 5 6  7 8 4  3 2 9
+7 8 2  9 5 3  6 1 4
 
 RATING: 1.75
 DATA:
-{"puzzle":[4,5,null,0,null,8,null,null,null,null,3,null,6,null,null,null,null,2,8,0,null,null,3,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,2,null,null,null,null,null,2,null,1,null,null,null,null,3,7,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,3,8,null,0,2,null,3,5,null,null,6,null],"solution":[4,5,6,0,2,8,7,1,3,1,3,7,6,4,5,8,0,2,8,0,2,7,3,1,5,4,6,5,6,0,8,7,3,4,2,1,3,7,4,2,1,6,0,5,8,2,8,1,5,0,4,6,3,7,6,4,3,1,8,0,2,7,5,7,1,5,4,6,2,3,8,0,0,2,8,3,5,7,1,6,4]}
+{"puzzle":[null,null,null,null,0,null,3,null,null,null,null,null,5,null,null,8,null,null,null,null,5,null,6,1,null,0,null,null,8,null,2,null,3,null,null,4,null,null,2,4,null,null,null,8,null,null,null,null,null,null,5,null,null,null,0,null,null,null,null,2,null,null,null,6,null,null,7,null,null,1,null,null,null,7,null,null,null,null,5,2,6],"solution":[2,1,6,8,0,7,3,4,5,7,0,3,5,2,4,8,6,1,8,4,5,3,6,1,7,0,2,1,8,0,2,7,3,6,5,4,5,3,2,4,1,6,0,8,7,4,6,7,0,8,5,2,1,3,0,5,1,6,3,2,4,7,8,6,2,4,7,5,8,1,3,0,3,7,8,1,4,0,5,2,6]}
 PUZZLE:
-5 6 _  1 _ 9  _ _ _
-_ 4 _  7 _ _  _ _ 3
-9 1 _  _ 4 _  _ _ _
+_ _ _  _ 1 _  4 _ _
+_ _ _  6 _ _  9 _ _
+_ _ 6  _ 7 2  _ 1 _
 
-_ _ _  _ _ _  5 _ _
-_ _ _  3 _ _  _ _ _
-3 _ 2  _ _ _  _ 4 8
-
-_ _ _  2 _ _  _ _ _
-_ _ _  _ _ _  4 9 _
-1 3 _  4 6 _  _ 7 _
-
-SOLUTION:
-5 6 7  1 3 9  8 2 4
-2 4 8  7 5 6  9 1 3
-9 1 3  8 4 2  6 5 7
-
-6 7 1  9 8 4  5 3 2
-4 8 5  3 2 7  1 6 9
-3 9 2  6 1 5  7 4 8
-
-7 5 4  2 9 1  3 8 6
-8 2 6  5 7 3  4 9 1
-1 3 9  4 6 8  2 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[3,2,7,null,null,null,null,8,null,null,null,0,null,null,null,null,1,5,null,4,1,null,0,null,null,6,null,null,8,null,7,null,null,null,2,null,null,3,null,1,null,null,null,4,null,null,null,null,null,null,3,6,null,null,null,7,null,null,null,6,null,null,null,null,null,null,8,2,null,null,null,0,null,null,null,null,null,5,null,null,null],"solution":[3,2,7,6,5,1,0,8,4,8,6,0,3,7,4,2,1,5,5,4,1,2,0,8,7,6,3,4,8,5,7,6,0,3,2,1,0,3,6,1,8,2,5,4,7,7,1,2,5,4,3,6,0,8,1,7,8,0,3,6,4,5,2,6,5,4,8,2,7,1,3,0,2,0,3,4,1,5,8,7,6]}
-PUZZLE:
-4 3 8  _ _ _  _ 9 _
-_ _ 1  _ _ _  _ 2 6
-_ 5 2  _ 1 _  _ 7 _
-
-_ 9 _  8 _ _  _ 3 _
-_ 4 _  2 _ _  _ 5 _
-_ _ _  _ _ 4  7 _ _
-
-_ 8 _  _ _ 7  _ _ _
-_ _ _  9 3 _  _ _ 1
+_ 9 _  3 _ 4  _ _ 5
+_ _ 3  5 _ _  _ 9 _
 _ _ _  _ _ 6  _ _ _
 
+1 _ _  _ _ 3  _ _ _
+7 _ _  8 _ _  2 _ _
+_ 8 _  _ _ _  6 3 7
+
 SOLUTION:
-4 3 8  7 6 2  1 9 5
-9 7 1  4 8 5  3 2 6
-6 5 2  3 1 9  8 7 4
+3 2 7  9 1 8  4 5 6
+8 1 4  6 3 5  9 7 2
+9 5 6  4 7 2  8 1 3
 
-5 9 6  8 7 1  4 3 2
-1 4 7  2 9 3  6 5 8
-8 2 3  6 5 4  7 1 9
+2 9 1  3 8 4  7 6 5
+6 4 3  5 2 7  1 9 8
+5 7 8  1 9 6  3 2 4
 
-2 8 9  1 4 7  5 6 3
-7 6 5  9 3 8  2 4 1
-3 1 4  5 2 6  9 8 7
+1 6 2  7 4 3  5 8 9
+7 3 5  8 6 9  2 4 1
+4 8 9  2 5 1  6 3 7
 
-RATING: 0
+RATING: 1.5
 DATA:
-{"puzzle":[0,null,null,null,8,null,null,null,3,null,null,1,6,7,2,null,null,null,null,null,null,null,null,null,6,null,null,null,null,5,null,6,null,7,null,null,null,null,7,null,null,5,null,8,null,8,null,null,null,3,null,1,6,null,null,null,6,null,0,4,null,null,null,null,null,4,null,null,null,null,null,2,null,null,null,null,null,null,0,null,null],"solution":[0,6,2,4,8,1,5,7,3,3,5,1,6,7,2,4,0,8,4,7,8,0,5,3,6,2,1,1,2,5,8,6,0,7,3,4,6,3,7,1,4,5,2,8,0,8,4,0,2,3,7,1,6,5,2,8,6,5,0,4,3,1,7,7,0,4,3,1,6,8,5,2,5,1,3,7,2,8,0,4,6]}
+{"puzzle":[null,null,null,null,null,null,6,null,null,6,3,null,null,null,null,null,2,7,2,5,4,null,null,null,null,null,null,null,2,null,3,null,null,null,null,null,null,null,null,2,null,8,null,0,6,null,7,0,null,5,null,2,null,null,null,0,5,null,null,null,null,null,3,null,null,null,null,0,null,null,null,null,4,null,null,null,1,null,null,8,null],"solution":[0,8,7,1,3,2,6,4,5,6,3,1,4,8,5,0,2,7,2,5,4,0,6,7,3,1,8,5,2,6,3,4,0,8,7,1,1,4,3,2,7,8,5,0,6,8,7,0,6,5,1,2,3,4,7,0,5,8,2,4,1,6,3,3,1,8,7,0,6,4,5,2,4,6,2,5,1,3,7,8,0]}
 PUZZLE:
-1 _ _  _ 9 _  _ _ 4
-_ _ 2  7 8 3  _ _ _
 _ _ _  _ _ _  7 _ _
+7 4 _  _ _ _  _ 3 8
+3 6 5  _ _ _  _ _ _
 
-_ _ 6  _ 7 _  8 _ _
-_ _ 8  _ _ 6  _ 9 _
-9 _ _  _ 4 _  2 7 _
+_ 3 _  4 _ _  _ _ _
+_ _ _  3 _ 9  _ 1 7
+_ 8 1  _ 6 _  3 _ _
 
-_ _ 7  _ 1 5  _ _ _
-_ _ 5  _ _ _  _ _ 3
-_ _ _  _ _ _  1 _ _
+_ 1 6  _ _ _  _ _ 4
+_ _ _  _ 1 _  _ _ _
+5 _ _  _ 2 _  _ 9 _
 
 SOLUTION:
-1 7 3  5 9 2  6 8 4
-4 6 2  7 8 3  5 1 9
-5 8 9  1 6 4  7 3 2
+1 9 8  2 4 3  7 5 6
+7 4 2  5 9 6  1 3 8
+3 6 5  1 7 8  4 2 9
 
-2 3 6  9 7 1  8 4 5
-7 4 8  2 5 6  3 9 1
-9 5 1  3 4 8  2 7 6
+6 3 7  4 5 1  9 8 2
+2 5 4  3 8 9  6 1 7
+9 8 1  7 6 2  3 4 5
 
-3 9 7  6 1 5  4 2 8
-8 1 5  4 2 7  9 6 3
-6 2 4  8 3 9  1 5 7
+8 1 6  9 3 5  2 7 4
+4 2 9  8 1 7  5 6 3
+5 7 3  6 2 4  8 9 1
 
 RATING: 0
 DATA:
-{"puzzle":[3,0,null,2,null,8,null,null,null,null,null,null,null,null,null,null,3,null,7,null,2,null,null,3,null,null,null,null,null,null,null,5,null,null,0,null,1,null,6,null,null,null,4,null,8,4,null,null,null,null,6,null,2,null,null,1,null,null,null,2,8,null,null,null,3,null,null,null,null,1,null,null,null,null,5,1,null,null,null,null,null],"solution":[3,0,4,2,6,8,5,1,7,5,8,1,7,0,4,6,3,2,7,6,2,5,1,3,0,8,4,8,2,3,4,5,1,7,0,6,1,7,6,3,2,0,4,5,8,4,5,0,8,7,6,3,2,1,6,1,7,0,3,2,8,4,5,2,3,8,6,4,5,1,7,0,0,4,5,1,8,7,2,6,3]}
+{"puzzle":[null,null,null,null,5,null,null,null,4,null,null,8,3,6,null,null,null,null,5,null,null,null,null,0,7,null,null,6,null,null,2,null,null,5,1,null,null,null,null,5,null,6,0,8,null,null,null,null,7,null,null,null,3,null,8,null,null,null,null,null,null,null,null,null,null,7,null,null,1,6,null,null,3,5,6,null,null,null,null,null,null],"solution":[1,6,2,8,5,7,3,0,4,7,0,8,3,6,4,1,2,5,5,3,4,1,2,0,7,6,8,6,8,0,2,4,3,5,1,7,4,7,3,5,1,6,0,8,2,2,1,5,7,0,8,4,3,6,8,4,1,6,3,5,2,7,0,0,2,7,4,8,1,6,5,3,3,5,6,0,7,2,8,4,1]}
 PUZZLE:
-4 1 _  3 _ 9  _ _ _
-_ _ _  _ _ _  _ 4 _
-8 _ 3  _ _ 4  _ _ _
+_ _ _  _ 6 _  _ _ 5
+_ _ 9  4 7 _  _ _ _
+6 _ _  _ _ 1  8 _ _
 
-_ _ _  _ 6 _  _ 1 _
-2 _ 7  _ _ _  5 _ 9
-5 _ _  _ _ 7  _ 3 _
+7 _ _  3 _ _  6 2 _
+_ _ _  6 _ 7  1 9 _
+_ _ _  8 _ _  _ 4 _
 
-_ 2 _  _ _ 3  9 _ _
-_ 4 _  _ _ _  2 _ _
-_ _ 6  2 _ _  _ _ _
+9 _ _  _ _ _  _ _ _
+_ _ 8  _ _ 2  7 _ _
+4 6 7  _ _ _  _ _ _
 
 SOLUTION:
-4 1 5  3 7 9  6 2 8
-6 9 2  8 1 5  7 4 3
-8 7 3  6 2 4  1 9 5
+2 7 3  9 6 8  4 1 5
+8 1 9  4 7 5  2 3 6
+6 4 5  2 3 1  8 7 9
 
-9 3 4  5 6 2  8 1 7
-2 8 7  4 3 1  5 6 9
-5 6 1  9 8 7  4 3 2
+7 9 1  3 5 4  6 2 8
+5 8 4  6 2 7  1 9 3
+3 2 6  8 1 9  5 4 7
 
-7 2 8  1 4 3  9 5 6
-3 4 9  7 5 6  2 8 1
-1 5 6  2 9 8  3 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,null,6,null,null,null,8,null,4,null,2,null,null,null,null,4,5,null,null,null,null,null,null,6,null,null,null,3,null,0,null,5,null,null,null,null,null,6,null,null,null,4,null,null,null,0,null,null,null,1,3,null,null,null,null,null,2,null,8,null,null,7,6,null,1,null,null,null,null,null,null,8,null,null],"solution":[1,0,4,7,2,6,3,8,5,6,5,7,0,8,3,4,1,2,8,2,3,1,4,5,0,6,7,7,8,2,6,5,0,1,3,4,0,4,5,8,3,1,7,2,6,3,1,6,4,7,2,5,0,8,4,7,1,3,6,8,2,5,0,2,3,8,5,0,7,6,4,1,5,6,0,2,1,4,8,7,3]}
-PUZZLE:
-2 _ _  _ _ _  _ _ _
-7 _ _  _ 9 _  5 _ 3
-_ _ _  _ 5 6  _ _ _
-
-_ _ _  7 _ _  _ 4 _
-1 _ 6  _ _ _  _ _ 7
-_ _ _  5 _ _  _ 1 _
-
-_ _ 2  4 _ _  _ _ _
-3 _ 9  _ _ 8  7 _ 2
-_ _ _  _ _ _  9 _ _
-
-SOLUTION:
-2 1 5  8 3 7  4 9 6
-7 6 8  1 9 4  5 2 3
-9 3 4  2 5 6  1 7 8
-
-8 9 3  7 6 1  2 4 5
-1 5 6  9 4 2  8 3 7
-4 2 7  5 8 3  6 1 9
-
-5 8 2  4 7 9  3 6 1
-3 4 9  6 1 8  7 5 2
-6 7 1  3 2 5  9 8 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,1,7,null,null,4,null,null,null,null,0,2,8,null,null,null,5,null,null,null,null,1,null,2,null,null,null,0,6,null,null,null,null,1,null,null,1,null,null,null,null,null,null,7,5,null,null,null,null,6,null,null,null,4,null,5,null,null,null,null,3,null,null,3,null,8,null,null,null,null,4,null,null,null,null,7,null,null,null,8],"solution":[8,2,1,7,6,5,4,0,3,6,4,0,2,8,3,1,7,5,7,5,3,4,1,0,2,8,6,3,0,6,5,4,7,8,1,2,2,1,4,0,3,8,5,6,7,5,7,8,1,2,6,3,4,0,4,8,5,6,0,2,7,3,1,0,3,7,8,5,1,6,2,4,1,6,2,3,7,4,0,5,8]}
-PUZZLE:
-_ _ 2  8 _ _  5 _ _
-_ _ 1  3 9 _  _ _ 6
-_ _ _  _ 2 _  3 _ _
-
-_ 1 7  _ _ _  _ 2 _
-_ 2 _  _ _ _  _ _ 8
-6 _ _  _ _ 7  _ _ _
-
-5 _ 6  _ _ _  _ 4 _
-_ 4 _  9 _ _  _ _ 5
-_ _ _  _ 8 _  _ _ 9
-
-SOLUTION:
-9 3 2  8 7 6  5 1 4
-7 5 1  3 9 4  2 8 6
-8 6 4  5 2 1  3 9 7
-
-4 1 7  6 5 8  9 2 3
-3 2 5  1 4 9  6 7 8
-6 8 9  2 3 7  4 5 1
-
-5 9 6  7 1 3  8 4 2
-1 4 8  9 6 2  7 3 5
-2 7 3  4 8 5  1 6 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,6,null,null,null,null,0,null,6,null,null,5,null,null,null,null,null,null,8,4,null,null,null,null,null,1,null,null,null,3,null,4,null,null,null,null,7,null,0,null,null,6,null,null,null,null,null,null,8,7,null,null,null,8,null,null,null,null,5,null,null,null,5,4,null,null,null,6,null,7,null,null,2,1,7,null,null,null,null],"solution":[4,1,3,6,2,7,8,5,0,2,6,0,8,5,3,1,7,4,5,7,8,4,1,0,2,3,6,1,0,5,7,3,6,4,8,2,8,4,7,2,0,1,3,6,5,3,2,6,5,4,8,7,0,1,7,8,1,0,6,4,5,2,3,0,5,4,3,8,2,6,1,7,6,3,2,1,7,5,0,4,8]}
-PUZZLE:
-_ _ _  7 _ _  _ _ 1
-_ 7 _  _ 6 _  _ _ _
-_ _ 9  5 _ _  _ _ _
-
-2 _ _  _ 4 _  5 _ _
-_ _ 8  _ 1 _  _ 7 _
-_ _ _  _ _ 9  8 _ _
-
-_ 9 _  _ _ _  6 _ _
-_ 6 5  _ _ _  7 _ 8
-_ _ 3  2 8 _  _ _ _
-
-SOLUTION:
-5 2 4  7 3 8  9 6 1
-3 7 1  9 6 4  2 8 5
-6 8 9  5 2 1  3 4 7
-
-2 1 6  8 4 7  5 9 3
-9 5 8  3 1 2  4 7 6
-4 3 7  6 5 9  8 1 2
-
-8 9 2  1 7 5  6 3 4
-1 6 5  4 9 3  7 2 8
-7 4 3  2 8 6  1 5 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[7,null,8,null,null,0,null,null,5,null,null,null,null,null,6,null,null,null,null,null,0,3,null,null,2,null,null,null,null,null,4,null,7,null,null,null,null,null,null,null,null,null,5,null,null,null,8,null,null,null,5,null,6,null,5,null,null,null,null,null,7,1,null,null,4,null,null,3,null,null,null,null,null,6,null,null,1,null,null,null,2],"solution":[7,1,8,2,4,0,6,3,5,3,2,4,8,5,6,0,7,1,6,5,0,3,7,1,2,4,8,2,0,5,4,6,7,1,8,3,4,7,6,1,8,3,5,2,0,1,8,3,0,2,5,4,6,7,5,3,2,6,0,8,7,1,4,0,4,1,7,3,2,8,5,6,8,6,7,5,1,4,3,0,2]}
-PUZZLE:
-8 _ 9  _ _ 1  _ _ 6
-_ _ _  _ _ 7  _ _ _
-_ _ 1  4 _ _  3 _ _
-
-_ _ _  5 _ 8  _ _ _
-_ _ _  _ _ _  6 _ _
-_ 9 _  _ _ 6  _ 7 _
-
-6 _ _  _ _ _  8 2 _
-_ 5 _  _ 4 _  _ _ _
-_ 7 _  _ 2 _  _ _ 3
-
-SOLUTION:
-8 2 9  3 5 1  7 4 6
-4 3 5  9 6 7  1 8 2
-7 6 1  4 8 2  3 5 9
-
-3 1 6  5 7 8  2 9 4
-5 8 7  2 9 4  6 3 1
-2 9 4  1 3 6  5 7 8
-
-6 4 3  7 1 9  8 2 5
-1 5 2  8 4 3  9 6 7
-9 7 8  6 2 5  4 1 3
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,8,null,null,null,null,null,0,null,null,null,4,null,null,2,null,null,null,null,null,6,null,5,null,null,null,null,null,2,0,null,null,5,7,null,null,1,null,null,null,null,3,null,null,null,null,null,null,null,null,null,5,null,4,null,0,null,null,null,null,8,null,null,null,null,null,3,null,0,null,1,null,null,5,null,null,4,1,6,null,null],"solution":[5,8,2,6,3,4,1,0,7,7,1,4,8,0,2,3,5,6,0,3,6,1,5,7,4,8,2,8,2,0,4,6,5,7,3,1,1,4,5,7,2,3,0,6,8,6,7,3,0,1,8,5,2,4,2,0,1,5,7,6,8,4,3,4,6,7,3,8,0,2,1,5,3,5,8,2,4,1,6,7,0]}
-PUZZLE:
-_ 9 _  _ _ _  _ 1 _
-_ _ 5  _ _ 3  _ _ _
-_ _ 7  _ 6 _  _ _ _
-
-_ 3 1  _ _ 6  8 _ _
-2 _ _  _ _ 4  _ _ _
-_ _ _  _ _ _  6 _ 5
-
-_ 1 _  _ _ _  9 _ _
-_ _ _  4 _ 1  _ 2 _
-_ 6 _  _ 5 2  7 _ _
-
-SOLUTION:
-6 9 3  7 4 5  2 1 8
-8 2 5  9 1 3  4 6 7
-1 4 7  2 6 8  5 9 3
-
-9 3 1  5 7 6  8 4 2
-2 5 6  8 3 4  1 7 9
-7 8 4  1 2 9  6 3 5
-
-3 1 2  6 8 7  9 5 4
-5 7 8  4 9 1  3 2 6
-4 6 9  3 5 2  7 8 1
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,1,null,5,null,8,null,4,null,null,null,2,4,null,null,null,null,null,null,null,null,null,7,null,null,2,null,8,null,null,null,null,null,6,7,null,null,5,null,null,null,null,8,null,null,4,6,null,null,3,null,null,5,null,null,4,null,null,null,5,null,null,7,null,2,null,null,null,null,1,null,null,null,null,0,null,null,7,null,null,null],"solution":[3,1,6,5,2,8,7,4,0,0,7,2,4,6,3,5,1,8,5,8,4,0,7,1,3,2,6,8,0,3,1,5,4,6,7,2,2,5,1,7,0,6,8,3,4,4,6,7,8,3,2,0,5,1,6,4,8,3,1,5,2,0,7,7,2,5,6,4,0,1,8,3,1,3,0,2,8,7,4,6,5]}
-PUZZLE:
-_ 2 _  6 _ 9  _ 5 _
-_ _ 3  5 _ _  _ _ _
-_ _ _  _ 8 _  _ 3 _
-
-9 _ _  _ _ _  7 8 _
-_ 6 _  _ _ _  9 _ _
-5 7 _  _ 4 _  _ 6 _
-
-_ 5 _  _ _ 6  _ _ 8
-_ 3 _  _ _ _  2 _ _
-_ _ 1  _ _ 8  _ _ _
-
-SOLUTION:
-4 2 7  6 3 9  8 5 1
-1 8 3  5 7 4  6 2 9
-6 9 5  1 8 2  4 3 7
-
-9 1 4  2 6 5  7 8 3
-3 6 2  8 1 7  9 4 5
-5 7 8  9 4 3  1 6 2
-
-7 5 9  4 2 6  3 1 8
-8 3 6  7 5 1  2 9 4
-2 4 1  3 9 8  5 7 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,5,null,4,null,null,null,1,7,8,null,null,5,null,null,null,0,2,0,null,null,null,null,6,null,null,null,null,null,null,3,null,null,null,null,6,5,4,null,null,null,0,null,null,1,null,null,null,2,null,4,null,null,4,null,null,null,null,3,null,8,null,null,2,null,null,8,7,null,null,null],"solution":[3,4,2,7,0,1,8,6,5,0,6,5,3,4,8,7,2,1,7,8,1,2,5,6,3,4,0,2,0,3,5,7,4,6,1,8,8,1,7,6,3,0,2,5,4,6,5,4,8,1,2,0,3,7,1,3,8,0,2,5,4,7,6,4,7,0,1,6,3,5,8,2,5,2,6,4,8,7,1,0,3]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ 6  _ 5 _  _ _ 2
-8 9 _  _ 6 _  _ _ 1
-
-3 1 _  _ _ _  7 _ _
-_ _ _  _ 4 _  _ _ _
-7 6 5  _ _ _  1 _ _
-
-2 _ _  _ 3 _  5 _ _
-5 _ _  _ _ 4  _ 9 _
-_ 3 _  _ 9 8  _ _ _
-
-SOLUTION:
-4 5 3  8 1 2  9 7 6
-1 7 6  4 5 9  8 3 2
-8 9 2  3 6 7  4 5 1
-
-3 1 4  6 8 5  7 2 9
-9 2 8  7 4 1  3 6 5
-7 6 5  9 2 3  1 4 8
-
-2 4 9  1 3 6  5 8 7
-5 8 1  2 7 4  6 9 3
-6 3 7  5 9 8  2 1 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,8,null,null,null,2,null,0,1,null,null,null,0,null,null,null,null,8,6,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,0,null,6,null,null,4,null,7,null,7,null,null,1,null,null,null,null,null,1,null,null,null,null,7,null,8,null,null,null,null,3,null,null,6,null,2,null,null,4,null,0,null,null,null,null],"solution":[4,8,5,6,7,2,3,0,1,2,7,1,0,5,3,4,6,8,6,3,0,4,1,8,5,2,7,3,5,2,7,8,0,1,4,6,0,1,6,2,3,4,8,7,5,7,4,8,1,6,5,2,3,0,1,6,3,5,2,7,0,8,4,8,0,7,3,4,1,6,5,2,5,2,4,8,0,6,7,1,3]}
-PUZZLE:
-_ 9 _  _ _ 3  _ 1 2
-_ _ _  1 _ _  _ _ 9
-7 4 _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ 5 _
-1 _ 7  _ _ 5  _ 8 _
-8 _ _  2 _ _  _ _ _
-
-2 _ _  _ _ 8  _ 9 _
-_ _ _  4 _ _  7 _ 3
-_ _ 5  _ 1 _  _ _ _
-
-SOLUTION:
-5 9 6  7 8 3  4 1 2
-3 8 2  1 6 4  5 7 9
-7 4 1  5 2 9  6 3 8
-
-4 6 3  8 9 1  2 5 7
-1 2 7  3 4 5  9 8 6
-8 5 9  2 7 6  3 4 1
-
-2 7 4  6 3 8  1 9 5
-9 1 8  4 5 2  7 6 3
-6 3 5  9 1 7  8 2 4
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,null,null,8,null,null,2,null,null,7,null,6,null,8,5,null,null,2,null,null,null,null,null,null,null,6,null,0,3,null,null,4,7,5,null,null,null,null,null,6,null,null,null,null,7,5,null,null,null,null,null,8,null,null,null,null,null,null,0,3,null,null,null,null,null,null,4,null,null,null,8,null,null,7,1,null,5,null,4],"solution":[0,3,6,1,5,8,7,4,2,1,4,7,2,6,0,8,5,3,5,2,8,4,3,7,1,0,6,6,1,0,3,8,2,4,7,5,2,8,4,5,7,6,3,1,0,3,7,5,0,4,1,6,2,8,4,6,1,8,2,5,0,3,7,7,5,3,6,0,4,2,8,1,8,0,2,7,1,3,5,6,4]}
-PUZZLE:
-1 _ _  _ _ 9  _ _ 3
-_ _ 8  _ 7 _  9 6 _
-_ 3 _  _ _ _  _ _ _
-
-7 _ 1  4 _ _  5 8 6
-_ _ _  _ _ 7  _ _ _
-_ 8 6  _ _ _  _ _ 9
-
-_ _ _  _ _ _  1 4 _
-_ _ _  _ _ 5  _ _ _
-9 _ _  8 2 _  6 _ 5
-
-SOLUTION:
-1 4 7  2 6 9  8 5 3
-2 5 8  3 7 1  9 6 4
-6 3 9  5 4 8  2 1 7
-
-7 2 1  4 9 3  5 8 6
-3 9 5  6 8 7  4 2 1
-4 8 6  1 5 2  7 3 9
-
-5 7 2  9 3 6  1 4 8
-8 6 4  7 1 5  3 9 2
-9 1 3  8 2 4  6 7 5
-
-RATING: 2
-DATA:
-{"puzzle":[2,null,null,6,null,0,null,4,null,null,8,null,1,4,null,null,null,2,null,null,3,null,null,null,1,null,7,null,2,null,null,null,null,null,null,4,null,null,null,7,5,1,null,null,null,null,null,1,null,8,null,null,null,6,null,3,7,8,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,0,7,null],"solution":[2,1,5,6,7,0,8,4,3,7,8,0,1,4,3,5,6,2,6,4,3,5,2,8,1,0,7,5,2,8,0,3,6,7,1,4,3,6,4,7,5,1,2,8,0,0,7,1,4,8,2,3,5,6,4,3,7,8,0,5,6,2,1,8,0,6,2,1,7,4,3,5,1,5,2,3,6,4,0,7,8]}
-PUZZLE:
-3 _ _  7 _ 1  _ 5 _
-_ 9 _  2 5 _  _ _ 3
-_ _ 4  _ _ _  2 _ 8
-
-_ 3 _  _ _ _  _ _ 5
-_ _ _  8 6 2  _ _ _
-_ _ 2  _ 9 _  _ _ 7
-
-_ 4 8  9 _ _  _ _ _
-_ _ 7  _ _ _  _ _ _
-_ _ _  _ _ _  1 8 _
-
-SOLUTION:
-3 2 6  7 8 1  9 5 4
-8 9 1  2 5 4  6 7 3
-7 5 4  6 3 9  2 1 8
-
-6 3 9  1 4 7  8 2 5
-4 7 5  8 6 2  3 9 1
-1 8 2  5 9 3  4 6 7
-
-5 4 8  9 1 6  7 3 2
-9 1 7  3 2 8  5 4 6
-2 6 3  4 7 5  1 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,null,8,5,null,null,null,null,4,6,null,3,1,null,null,null,null,null,2,null,null,null,6,5,null,null,null,0,null,2,null,null,null,null,null,null,null,null,null,null,0,null,8,null,null,null,4,null,null,null,2,null,null,null,null,null,1,null,null,3,null,null,8,null,7,null,null,2,null,4,null,null,null,null,null,null,null,null,5],"solution":[1,0,7,6,8,5,3,4,2,5,4,6,2,3,1,8,0,7,8,3,2,0,4,7,6,5,1,6,5,0,1,2,8,4,7,3,4,2,3,5,7,6,0,1,8,7,1,8,4,0,3,5,2,6,2,6,5,8,1,4,7,3,0,3,8,1,7,5,0,2,6,4,0,7,4,3,6,2,1,8,5]}
-PUZZLE:
-2 _ _  _ 9 6  _ _ _
-_ 5 7  _ 4 2  _ _ _
-_ _ 3  _ _ _  7 6 _
-
-_ _ 1  _ 3 _  _ _ _
-_ _ _  _ _ _  1 _ 9
-_ _ _  5 _ _  _ 3 _
-
-_ _ _  _ 2 _  _ 4 _
-_ 9 _  8 _ _  3 _ 5
-_ _ _  _ _ _  _ _ 6
-
-SOLUTION:
-2 1 8  7 9 6  4 5 3
-6 5 7  3 4 2  9 1 8
-9 4 3  1 5 8  7 6 2
-
-7 6 1  2 3 9  5 8 4
-5 3 4  6 8 7  1 2 9
-8 2 9  5 1 4  6 3 7
-
-3 7 6  9 2 5  8 4 1
-4 9 2  8 6 1  3 7 5
-1 8 5  4 7 3  2 9 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,5,3,8,null,null,null,null,4,null,null,null,null,2,7,null,8,null,null,null,null,null,null,null,2,null,null,null,null,6,7,null,null,null,1,null,null,8,0,null,null,4,6,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,8,0,2,null,null,4,null,null,null,null,null,6,8,null,null,2,3],"solution":[4,6,1,0,2,7,5,3,8,0,5,8,3,4,6,2,7,1,2,7,3,8,5,1,6,4,0,8,0,2,5,3,4,1,6,7,5,3,7,1,6,2,8,0,4,1,4,6,7,0,8,3,5,2,3,2,5,4,1,0,7,8,6,6,8,0,2,7,3,4,1,5,7,1,4,6,8,5,0,2,3]}
-PUZZLE:
-_ _ _  _ _ _  6 4 9
-_ _ _  _ 5 _  _ _ _
-3 8 _  9 _ _  _ _ _
-
-_ _ 3  _ _ _  _ 7 8
-_ _ _  2 _ _  9 1 _
-_ 5 7  _ _ _  _ _ _
-
-_ _ 6  _ _ _  _ _ _
-_ 9 1  3 _ _  5 _ _
-_ _ _  7 9 _  _ 3 4
-
-SOLUTION:
-5 7 2  1 3 8  6 4 9
-1 6 9  4 5 7  3 8 2
-3 8 4  9 6 2  7 5 1
-
-9 1 3  6 4 5  2 7 8
-6 4 8  2 7 3  9 1 5
-2 5 7  8 1 9  4 6 3
-
-4 3 6  5 2 1  8 9 7
-7 9 1  3 8 4  5 2 6
-8 2 5  7 9 6  1 3 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,1,null,null,null,7,null,null,null,null,5,null,null,null,null,3,null,0,null,3,null,8,null,4,1,null,null,1,null,null,null,null,null,null,8,null,null,null,2,4,null,null,0,6,null,null,null,4,null,6,null,null,null,2,null,null,3,7,2,null,null,null,null,null,null,null,null,5,null,4,null,null,null,null,null,null,null,1,null,null,7],"solution":[6,1,0,5,3,7,2,4,8,4,5,8,6,1,2,3,7,0,2,3,7,8,0,4,1,5,6,1,0,6,2,7,3,5,8,4,3,7,2,4,8,5,0,6,1,5,8,4,1,6,0,7,3,2,0,4,3,7,2,6,8,1,5,7,6,1,0,5,8,4,2,3,8,2,5,3,4,1,6,0,7]}
-PUZZLE:
-_ 2 _  _ _ 8  _ _ _
-_ 6 _  _ _ _  4 _ 1
-_ 4 _  9 _ 5  2 _ _
-
-2 _ _  _ _ _  _ 9 _
-_ _ 3  5 _ _  1 7 _
-_ _ 5  _ 7 _  _ _ 3
-
-_ _ 4  8 3 _  _ _ _
-_ _ _  _ 6 _  5 _ _
-_ _ _  _ _ 2  _ _ 8
-
-SOLUTION:
-7 2 1  6 4 8  3 5 9
-5 6 9  7 2 3  4 8 1
-3 4 8  9 1 5  2 6 7
-
-2 1 7  3 8 4  6 9 5
-4 8 3  5 9 6  1 7 2
-6 9 5  2 7 1  8 4 3
-
-1 5 4  8 3 7  9 2 6
-8 7 2  1 6 9  5 3 4
-9 3 6  4 5 2  7 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,6,null,null,0,null,1,8,null,null,null,null,7,null,null,null,null,2,null,4,null,null,null,0,null,1,null,6,null,null,null,null,8,3,null,null,null,null,null,4,null,null,null,6,null,null,5,8,null,6,null,null,null,null,null,null,null,1,8,null,2,5,null,3,null,null,null,null,3,null,null,null,null,null,null],"solution":[8,2,4,5,3,7,0,6,1,3,0,6,1,8,4,7,2,5,7,5,1,6,0,2,8,4,3,5,7,0,4,1,8,6,3,2,6,1,8,3,2,5,4,7,0,4,3,2,7,6,0,1,5,8,0,6,5,8,4,3,2,1,7,1,8,7,2,5,6,3,0,4,2,4,3,0,7,1,5,8,6]}
-PUZZLE:
-_ _ 5  _ _ _  _ 7 _
-_ 1 _  2 9 _  _ _ _
-8 _ _  _ _ 3  _ 5 _
-
-_ _ 1  _ 2 _  7 _ _
-_ _ 9  4 _ _  _ _ _
-5 _ _  _ 7 _  _ 6 9
-
-_ 7 _  _ _ _  _ _ _
-2 9 _  3 6 _  4 _ _
-_ _ 4  _ _ _  _ _ _
-
-SOLUTION:
-9 3 5  6 4 8  1 7 2
-4 1 7  2 9 5  8 3 6
-8 6 2  7 1 3  9 5 4
-
-6 8 1  5 2 9  7 4 3
-7 2 9  4 3 6  5 8 1
-5 4 3  8 7 1  2 6 9
-
-1 7 6  9 5 4  3 2 8
-2 9 8  3 6 7  4 1 5
-3 5 4  1 8 2  6 9 7
-
-RATING: 1.25
-DATA:
-{"puzzle":[5,null,null,null,null,null,null,8,6,null,null,null,2,0,null,null,null,5,3,8,null,null,null,null,null,null,null,null,3,2,null,null,4,null,null,null,null,null,null,null,6,null,2,null,1,null,1,null,null,null,null,5,null,7,6,null,null,null,null,null,0,null,null,null,null,null,6,null,7,null,null,null,null,null,null,null,2,0,null,null,null],"solution":[5,2,0,3,7,1,4,8,6,1,6,4,2,0,8,3,7,5,3,8,7,4,5,6,1,2,0,7,3,2,5,1,4,6,0,8,0,5,8,7,6,3,2,4,1,4,1,6,0,8,2,5,3,7,6,7,3,8,4,5,0,1,2,2,0,1,6,3,7,8,5,4,8,4,5,1,2,0,7,6,3]}
-PUZZLE:
-6 _ _  _ _ _  _ 9 7
-_ _ _  3 1 _  _ _ 6
-4 9 _  _ _ _  _ _ _
-
-_ 4 3  _ _ 5  _ _ _
-_ _ _  _ 7 _  3 _ 2
-_ 2 _  _ _ _  6 _ 8
-
-7 _ _  _ _ _  1 _ _
-_ _ _  7 _ 8  _ _ _
-_ _ _  _ 3 1  _ _ _
-
-SOLUTION:
-6 3 1  4 8 2  5 9 7
-2 7 5  3 1 9  4 8 6
-4 9 8  5 6 7  2 3 1
-
-8 4 3  6 2 5  7 1 9
-1 6 9  8 7 4  3 5 2
-5 2 7  1 9 3  6 4 8
-
-7 8 4  9 5 6  1 2 3
-3 1 2  7 4 8  9 6 5
-9 5 6  2 3 1  8 7 4
-
-RATING: 1
-DATA:
-{"puzzle":[2,null,null,null,null,null,0,4,null,null,null,4,null,null,null,null,null,null,0,5,null,null,null,1,3,null,null,null,8,null,6,2,null,null,null,null,1,null,null,null,3,null,null,null,5,null,null,2,null,1,5,6,null,null,null,null,3,null,null,0,null,null,7,7,null,null,null,null,null,null,3,null,null,null,null,null,null,7,4,null,1],"solution":[2,3,1,5,7,6,0,4,8,6,7,4,8,0,3,5,1,2,0,5,8,2,4,1,3,7,6,5,8,7,6,2,4,1,0,3,1,4,6,0,3,8,7,2,5,3,0,2,7,1,5,6,8,4,4,6,3,1,8,0,2,5,7,7,1,5,4,6,2,8,3,0,8,2,0,3,5,7,4,6,1]}
-PUZZLE:
-3 _ _  _ _ _  1 5 _
-_ _ 5  _ _ _  _ _ _
-1 6 _  _ _ 2  4 _ _
-
-_ 9 _  7 3 _  _ _ _
-2 _ _  _ 4 _  _ _ 6
-_ _ 3  _ 2 6  7 _ _
-
-_ _ 4  _ _ 1  _ _ 8
-8 _ _  _ _ _  _ 4 _
-_ _ _  _ _ 8  5 _ 2
-
-SOLUTION:
-3 4 2  6 8 7  1 5 9
-7 8 5  9 1 4  6 2 3
-1 6 9  3 5 2  4 8 7
-
-6 9 8  7 3 5  2 1 4
-2 5 7  1 4 9  8 3 6
-4 1 3  8 2 6  7 9 5
-
-5 7 4  2 9 1  3 6 8
-8 2 6  5 7 3  9 4 1
-9 3 1  4 6 8  5 7 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[1,null,null,null,null,2,8,null,6,null,2,8,1,null,null,3,null,null,null,null,5,7,null,null,null,null,null,null,4,null,8,null,null,1,null,null,null,5,null,null,7,null,null,null,2,null,null,null,null,6,null,null,null,null,null,3,null,5,null,null,2,1,null,5,null,1,null,null,0,null,null,null,null,null,2,null,null,null,0,null,null],"solution":[1,0,4,3,5,2,8,7,6,7,2,8,1,4,6,3,5,0,3,6,5,7,0,8,4,2,1,2,4,6,8,3,5,1,0,7,8,5,3,0,7,1,6,4,2,0,1,7,2,6,4,5,3,8,6,3,0,5,8,7,2,1,4,5,8,1,4,2,0,7,6,3,4,7,2,6,1,3,0,8,5]}
-PUZZLE:
-2 _ _  _ _ 3  9 _ 7
-_ 3 9  2 _ _  4 _ _
-_ _ 6  8 _ _  _ _ _
-
-_ 5 _  9 _ _  2 _ _
-_ 6 _  _ 8 _  _ _ 3
-_ _ _  _ 7 _  _ _ _
-
-_ 4 _  6 _ _  3 2 _
-6 _ 2  _ _ 1  _ _ _
-_ _ 3  _ _ _  1 _ _
-
-SOLUTION:
-2 1 5  4 6 3  9 8 7
-8 3 9  2 5 7  4 6 1
-4 7 6  8 1 9  5 3 2
-
-3 5 7  9 4 6  2 1 8
-9 6 4  1 8 2  7 5 3
-1 2 8  3 7 5  6 4 9
-
-7 4 1  6 9 8  3 2 5
-6 9 2  5 3 1  8 7 4
-5 8 3  7 2 4  1 9 6
-
-RATING: 3
-DATA:
-{"puzzle":[8,null,null,null,null,null,null,null,7,null,null,6,null,null,null,8,null,null,0,4,7,null,null,null,null,null,1,null,6,null,null,2,null,null,null,null,3,null,null,5,8,1,null,4,null,null,1,null,null,null,null,null,5,null,7,2,null,null,null,null,5,null,null,null,null,null,null,null,0,null,null,null,null,null,4,8,1,null,null,null,null],"solution":[8,5,2,1,0,6,4,3,7,1,3,6,7,4,2,8,0,5,0,4,7,3,5,8,6,2,1,4,6,5,0,2,3,7,1,8,3,7,0,5,8,1,2,4,6,2,1,8,4,6,7,0,5,3,7,2,1,6,3,4,5,8,0,5,8,3,2,7,0,1,6,4,6,0,4,8,1,5,3,7,2]}
-PUZZLE:
-9 _ _  _ _ _  _ _ 8
-_ _ 7  _ _ _  9 _ _
-1 5 8  _ _ _  _ _ 2
-
-_ 7 _  _ 3 _  _ _ _
-4 _ _  6 9 2  _ 5 _
-_ 2 _  _ _ _  _ 6 _
-
-8 3 _  _ _ _  6 _ _
-_ _ _  _ _ 1  _ _ _
-_ _ 5  9 2 _  _ _ _
-
-SOLUTION:
-9 6 3  2 1 7  5 4 8
-2 4 7  8 5 3  9 1 6
-1 5 8  4 6 9  7 3 2
-
-5 7 6  1 3 4  8 2 9
-4 8 1  6 9 2  3 5 7
-3 2 9  5 7 8  1 6 4
-
-8 3 2  7 4 5  6 9 1
-6 9 4  3 8 1  2 7 5
-7 1 5  9 2 6  4 8 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,7,5,1,null,null,null,2,null,null,null,null,null,null,null,null,null,null,0,null,null,2,6,null,7,null,null,null,6,null,null,null,null,null,null,5,null,0,8,7,null,null,null,1,null,2,null,null,null,null,null,3,null,null,4,null,null,null,3,5,null,null,null,null,null,0,null,null,null,null,6,8,null,null,null,null,null,2,null,null],"solution":[6,8,7,5,1,0,3,4,2,2,5,4,7,3,8,1,6,0,1,0,3,4,2,6,8,7,5,4,1,6,3,0,2,7,5,8,5,3,0,8,7,4,6,2,1,7,2,8,6,5,1,0,3,4,0,4,1,2,6,3,5,8,7,3,7,2,0,8,5,4,1,6,8,6,5,1,4,7,2,0,3]}
-PUZZLE:
-_ _ 8  6 2 _  _ _ 3
-_ _ _  _ _ _  _ _ _
-_ 1 _  _ 3 7  _ 8 _
-
-_ _ 7  _ _ _  _ _ _
-6 _ 1  9 8 _  _ _ 2
-_ 3 _  _ _ _  _ 4 _
-
-_ 5 _  _ _ 4  6 _ _
-_ _ _  1 _ _  _ _ 7
-9 _ _  _ _ _  3 _ _
-
-SOLUTION:
-7 9 8  6 2 1  4 5 3
-3 6 5  8 4 9  2 7 1
-2 1 4  5 3 7  9 8 6
-
-5 2 7  4 1 3  8 6 9
-6 4 1  9 8 5  7 3 2
-8 3 9  7 6 2  1 4 5
-
-1 5 2  3 7 4  6 9 8
-4 8 3  1 9 6  5 2 7
-9 7 6  2 5 8  3 1 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,6,3,null,0,8,5,null,null,null,null,null,6,null,2,null,null,null,null,null,5,null,7,null,6,null,8,null,2,null,null,null,5,null,null,null,null,null,1,null,null,0,null,null,6,null,null,null,8,null,null,null,7,null,null,5,null,null,2,null,null,null,null,8,null,null,null,null,4,null,1,0,null,4,null,7,null,null,null,null],"solution":[7,2,6,3,1,0,8,5,4,5,0,1,4,6,8,2,7,3,3,4,8,5,2,7,1,6,0,8,1,2,7,0,3,5,4,6,4,7,3,1,5,6,0,8,2,6,5,0,2,8,4,3,1,7,1,6,5,0,4,2,7,3,8,2,8,7,6,3,5,4,0,1,0,3,4,8,7,1,6,2,5]}
-PUZZLE:
-_ _ 7  4 _ 1  9 6 _
-_ _ _  _ 7 _  3 _ _
-_ _ _  6 _ 8  _ 7 _
-
-9 _ 3  _ _ _  6 _ _
-_ _ _  2 _ _  1 _ _
-7 _ _  _ 9 _  _ _ 8
-
-_ _ 6  _ _ 3  _ _ _
-_ 9 _  _ _ _  5 _ 2
-1 _ 5  _ 8 _  _ _ _
-
-SOLUTION:
-8 3 7  4 2 1  9 6 5
-6 1 2  5 7 9  3 8 4
-4 5 9  6 3 8  2 7 1
-
-9 2 3  8 1 4  6 5 7
-5 8 4  2 6 7  1 9 3
-7 6 1  3 9 5  4 2 8
-
-2 7 6  1 5 3  8 4 9
-3 9 8  7 4 6  5 1 2
-1 4 5  9 8 2  7 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,1,null,null,null,0,null,null,null,null,null,null,2,null,null,null,5,null,null,7,null,null,5,null,null,null,0,null,null,null,null,3,2,null,null,null,null,null,7,8,null,3,null,4,null,null,null,null,1,null,null,8,null,5,null,8,null,null,7,null,6,null,null,null,2,0,null,null,null,null,7,null,null,null,null,4,6,null,null,null],"solution":[2,5,1,6,7,8,0,4,3,8,0,6,3,2,4,7,1,5,4,3,7,1,0,5,6,2,8,0,8,4,5,6,3,2,7,1,1,6,5,7,8,2,3,0,4,7,2,3,4,1,0,5,8,6,5,1,8,2,3,7,4,6,0,6,4,2,0,5,1,8,3,7,3,7,0,8,4,6,1,5,2]}
-PUZZLE:
-3 _ 2  _ _ _  1 _ _
-_ _ _  _ 3 _  _ _ 6
-_ _ 8  _ _ 6  _ _ _
-
-1 _ _  _ _ 4  3 _ _
-_ _ _  8 9 _  4 _ 5
-_ _ _  _ 2 _  _ 9 _
-
-6 _ 9  _ _ 8  _ 7 _
-_ _ 3  1 _ _  _ _ 8
-_ _ _  _ 5 7  _ _ _
-
-SOLUTION:
-3 6 2  7 8 9  1 5 4
-9 1 7  4 3 5  8 2 6
-5 4 8  2 1 6  7 3 9
-
-1 9 5  6 7 4  3 8 2
-2 7 6  8 9 3  4 1 5
-8 3 4  5 2 1  6 9 7
-
-6 2 9  3 4 8  5 7 1
-7 5 3  1 6 2  9 4 8
-4 8 1  9 5 7  2 6 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,5,null,2,null,3,1,null,null,3,null,null,null,4,6,4,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,5,7,null,1,null,null,null,8,null,null,null,2,null,null,null,null,2,null,null,null,null,6,null,null,8,null,1,null,null,0,null,null,5,6,null,4,1,null,null,null,null,7],"solution":[7,6,8,0,5,4,2,1,3,1,0,2,3,8,7,5,4,6,4,5,3,2,6,1,0,7,8,2,1,7,8,0,6,3,5,4,0,4,6,5,7,3,1,8,2,3,8,5,4,1,2,7,6,0,5,2,0,7,4,8,6,3,1,8,7,1,6,3,0,4,2,5,6,3,4,1,2,5,8,0,7]}
-PUZZLE:
-_ _ _  _ 6 _  3 _ 4
-2 _ _  4 _ _  _ 5 7
-5 6 _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ _ 7  6 8 _  2 _ _
-_ 9 _  _ _ 3  _ _ _
-
-_ 3 _  _ _ _  7 _ _
-9 _ 2  _ _ 1  _ _ 6
-7 _ 5  2 _ _  _ _ 8
-
-SOLUTION:
-8 7 9  1 6 5  3 2 4
-2 1 3  4 9 8  6 5 7
-5 6 4  3 7 2  1 8 9
-
-3 2 8  9 1 7  4 6 5
-1 5 7  6 8 4  2 9 3
-4 9 6  5 2 3  8 7 1
-
-6 3 1  8 5 9  7 4 2
-9 8 2  7 4 1  5 3 6
-7 4 5  2 3 6  9 1 8
+9 5 2  7 4 6  3 8 1
+1 3 8  5 9 2  7 6 4
+4 6 7  1 8 3  9 5 2
 
 RATING: 3.25
 DATA:
-{"puzzle":[4,null,1,null,null,null,null,0,null,null,8,null,7,null,null,null,null,null,null,null,6,1,null,null,5,8,4,null,4,0,null,null,8,1,null,null,null,null,null,2,null,5,null,null,8,null,null,5,null,null,null,null,null,null,null,1,null,5,null,0,null,null,null,null,null,8,null,6,null,null,null,3,7,null,null,null,null,1,null,null,null],"solution":[4,5,1,6,8,3,7,0,2,0,8,2,7,5,4,6,3,1,3,7,6,1,0,2,5,8,4,6,4,0,3,7,8,1,2,5,1,3,7,2,4,5,0,6,8,8,2,5,0,1,6,3,4,7,2,1,4,5,3,0,8,7,6,5,0,8,4,6,7,2,1,3,7,6,3,8,2,1,4,5,0]}
+{"puzzle":[2,null,null,null,null,null,null,null,null,null,null,4,null,5,null,7,null,1,null,7,5,0,1,null,null,null,null,3,null,6,null,4,null,null,null,7,null,8,null,null,null,6,null,null,null,null,null,null,2,null,null,8,null,null,null,null,2,4,6,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,8,6],"solution":[2,1,8,7,3,4,6,0,5,0,3,4,6,5,8,7,2,1,6,7,5,0,1,2,4,3,8,3,2,6,8,4,5,0,1,7,4,8,7,1,0,6,2,5,3,5,0,1,2,7,3,8,6,4,8,5,2,4,6,1,3,7,0,7,6,3,5,8,0,1,4,2,1,4,0,3,2,7,5,8,6]}
 PUZZLE:
-5 _ 2  _ _ _  _ 1 _
-_ 9 _  8 _ _  _ _ _
-_ _ 7  2 _ _  6 9 5
-
-_ 5 1  _ _ 9  2 _ _
-_ _ _  3 _ 6  _ _ 9
-_ _ 6  _ _ _  _ _ _
-
-_ 2 _  6 _ 1  _ _ _
-_ _ 9  _ 7 _  _ _ 4
-8 _ _  _ _ 2  _ _ _
-
-SOLUTION:
-5 6 2  7 9 4  8 1 3
-1 9 3  8 6 5  7 4 2
-4 8 7  2 1 3  6 9 5
-
-7 5 1  4 8 9  2 3 6
-2 4 8  3 5 6  1 7 9
-9 3 6  1 2 7  4 5 8
-
-3 2 5  6 4 1  9 8 7
-6 1 9  5 7 8  3 2 4
-8 7 4  9 3 2  5 6 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,8,2,null,7,null,null,3,null,null,1,null,null,null,6,null,null,0,3,4,null,null,8,null,null,null,3,null,null,8,6,null,null,null,null,null,0,7,null,null,null,null,5,0,null,null,null,4,null,null,null,0,2,null,6,null,null,8,5,null,null,1,6,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null],"solution":[4,6,1,5,8,2,3,7,0,8,3,5,7,1,0,4,2,6,2,7,0,3,4,6,1,8,5,1,4,3,2,5,8,6,0,7,6,8,2,0,7,3,5,1,4,5,0,7,1,6,4,2,3,8,0,2,4,6,3,7,8,5,1,7,1,6,8,2,5,0,4,3,3,5,8,4,0,1,7,6,2]}
-PUZZLE:
-_ _ _  _ 9 3  _ 8 _
-_ 4 _  _ 2 _  _ _ 7
-_ _ 1  4 5 _  _ 9 _
-
-_ _ 4  _ _ 9  7 _ _
-_ _ _  1 8 _  _ _ _
-6 1 _  _ _ 5  _ _ _
-
-1 3 _  7 _ _  9 6 _
-_ 2 7  _ _ _  1 _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-5 7 2  6 9 3  4 8 1
-9 4 6  8 2 1  5 3 7
-3 8 1  4 5 7  2 9 6
-
-2 5 4  3 6 9  7 1 8
-7 9 3  1 8 4  6 2 5
-6 1 8  2 7 5  3 4 9
-
-1 3 5  7 4 8  9 6 2
-8 2 7  9 3 6  1 5 4
-4 6 9  5 1 2  8 7 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,0,7,5,null,null,null,null,null,5,null,null,null,4,null,null,null,null,null,3,6,null,1,0,null,null,2,1,null,null,4,8,null,null,null,null,null,null,null,null,7,null,null,4,8,3,null,5,6,null,null,4,null,3,null,null,null,null,null,7,null,8,null,null,6,null,null,5,null,null,2,null,null,1,null,null,null,null],"solution":[8,1,6,4,0,7,5,2,3,2,3,0,5,8,1,7,4,6,5,7,4,2,3,6,8,1,0,3,6,2,1,7,0,4,8,5,0,5,1,6,4,8,3,7,2,7,4,8,3,2,5,6,0,1,4,0,3,8,5,2,1,6,7,1,8,7,0,6,3,2,5,4,6,2,5,7,1,4,0,3,8]}
-PUZZLE:
-_ _ _  _ 1 8  6 _ _
-_ _ _  6 _ _  _ 5 _
-_ _ _  _ 4 7  _ 2 1
-
-_ _ 3  2 _ _  5 9 _
-_ _ _  _ _ _  _ 8 _
-_ 5 9  4 _ 6  7 _ _
-
-5 _ 4  _ _ _  _ _ 8
-_ 9 _  _ 7 _  _ 6 _
-_ 3 _  _ 2 _  _ _ _
-
-SOLUTION:
-9 2 7  5 1 8  6 3 4
-3 4 1  6 9 2  8 5 7
-6 8 5  3 4 7  9 2 1
-
-4 7 3  2 8 1  5 9 6
-1 6 2  7 5 9  4 8 3
-8 5 9  4 3 6  7 1 2
-
-5 1 4  9 6 3  2 7 8
-2 9 8  1 7 4  3 6 5
-7 3 6  8 2 5  1 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,8,5,1,null,4,null,null,null,null,null,null,null,null,1,null,5,null,null,null,null,null,4,null,null,null,7,5,null,null,null,2,null,null,0,null,null,2,null,null,null,null,null,7,null,null,null,null,3,0,2,null,null,null,null,null,2,null,null,3,null,null,null,null,6,null,null,null,null,null,8,null,null,5,8,null,null,7,4,null],"solution":[6,0,8,5,1,7,4,2,3,3,2,4,0,6,8,1,7,5,5,1,7,3,2,4,0,8,6,7,5,3,4,8,2,6,1,0,0,4,2,6,5,1,8,3,7,8,6,1,7,3,0,2,5,4,4,8,0,2,7,5,3,6,1,2,7,6,1,4,3,5,0,8,1,3,5,8,0,6,7,4,2]}
-PUZZLE:
-7 _ 9  6 2 _  5 _ _
-_ _ _  _ _ _  2 _ 6
-_ _ _  _ _ 5  _ _ _
-
-8 6 _  _ _ 3  _ _ 1
-_ _ 3  _ _ _  _ _ 8
-_ _ _  _ 4 1  3 _ _
-
-_ _ _  3 _ _  4 _ _
-_ _ 7  _ _ _  _ _ 9
-_ _ 6  9 _ _  8 5 _
-
-SOLUTION:
-7 1 9  6 2 8  5 3 4
-4 3 5  1 7 9  2 8 6
-6 2 8  4 3 5  1 9 7
-
-8 6 4  5 9 3  7 2 1
-1 5 3  7 6 2  9 4 8
-9 7 2  8 4 1  3 6 5
-
-5 9 1  3 8 6  4 7 2
-3 8 7  2 5 4  6 1 9
-2 4 6  9 1 7  8 5 3
-
-RATING: 0
-DATA:
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-PUZZLE:
-_ _ _  _ 1 _  _ _ _
-1 _ 2  _ 8 9  _ _ _
-_ 8 _  _ _ 5  6 _ _
-
-7 _ _  _ _ _  8 _ _
-_ 3 _  9 4 8  _ _ 2
-_ _ _  _ _ _  _ _ 4
-
-_ _ 4  _ 3 _  _ _ 8
-_ _ _  _ _ 7  _ 9 5
-_ _ _  4 _ _  2 _ _
-
-SOLUTION:
-3 6 5  2 1 4  9 8 7
-1 7 2  6 8 9  5 4 3
-4 8 9  3 7 5  6 2 1
-
-7 4 6  1 2 3  8 5 9
-5 3 1  9 4 8  7 6 2
-9 2 8  7 5 6  3 1 4
-
-6 9 4  5 3 2  1 7 8
-2 1 3  8 6 7  4 9 5
-8 5 7  4 9 1  2 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,null,1,5,null,0,null,8,null,null,null,null,null,3,5,null,null,null,null,null,null,7,0,null,null,null,null,6,null,null,4,null,null,null,null,null,null,3,null,2,6,null,8,null,8,null,null,null,null,null,1,null,null,null,null,null,null,null,2,null,1,4,null,null,4,null,null,null,null,6,null,null,8,0,null,null,null,null,null,5],"solution":[2,3,6,1,5,4,0,7,8,7,0,1,6,8,3,5,4,2,4,5,8,2,7,0,6,3,1,0,6,7,8,4,1,2,5,3,5,1,3,0,2,6,4,8,7,8,4,2,7,3,5,1,0,6,6,7,5,3,0,2,8,1,4,3,2,4,5,1,8,7,6,0,1,8,0,4,6,7,3,2,5]}
-PUZZLE:
-3 _ _  2 6 _  1 _ 9
-_ _ _  _ _ 4  6 _ _
-_ _ _  _ 8 1  _ _ _
-
-_ 7 _  _ 5 _  _ _ _
-_ _ 4  _ 3 7  _ 9 _
-9 _ _  _ _ _  2 _ _
-
-_ _ _  _ _ 3  _ 2 5
-_ _ 5  _ _ _  _ 7 _
-_ 9 1  _ _ _  _ _ 6
-
-SOLUTION:
-3 4 7  2 6 5  1 8 9
-8 1 2  7 9 4  6 5 3
-5 6 9  3 8 1  7 4 2
-
-1 7 8  9 5 2  3 6 4
-6 2 4  1 3 7  5 9 8
-9 5 3  8 4 6  2 1 7
-
-7 8 6  4 1 3  9 2 5
-4 3 5  6 2 9  8 7 1
-2 9 1  5 7 8  4 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,null,8,6,2,null,null,null,null,null,null,null,null,null,1,6,null,5,null,null,3,null,null,null,null,null,8,null,null,null,null,null,2,5,6,null,null,null,null,1,7,null,null,null,null,0,null,null,null,null,null,4,0,null,3,null,null,5,null,null,null,null,6,null,4,null,null,null,8,null,null,null,null,null,null,null,null,7,2],"solution":[4,7,1,0,8,6,2,5,3,3,0,8,2,5,7,4,1,6,2,5,6,1,3,4,8,0,7,1,8,7,6,4,3,0,2,5,6,4,2,5,0,1,7,3,8,5,3,0,7,2,8,1,6,4,0,2,3,8,7,5,6,4,1,7,6,5,4,1,2,3,8,0,8,1,4,3,6,0,5,7,2]}
-PUZZLE:
-_ 8 _  _ 9 7  3 _ _
-_ _ _  _ _ _  _ 2 7
-_ 6 _  _ 4 _  _ _ _
-
-_ 9 _  _ _ _  _ 3 6
-7 _ _  _ _ 2  8 _ _
-_ _ 1  _ _ _  _ _ 5
-
-1 _ 4  _ _ 6  _ _ _
-_ 7 _  5 _ _  _ 9 _
-_ _ _  _ _ _  _ 8 3
-
-SOLUTION:
-5 8 2  1 9 7  3 6 4
-4 1 9  3 6 8  5 2 7
-3 6 7  2 4 5  9 1 8
-
-2 9 8  7 5 4  1 3 6
-7 5 3  6 1 2  8 4 9
-6 4 1  8 3 9  2 7 5
-
-1 3 4  9 8 6  7 5 2
-8 7 6  5 2 3  4 9 1
-9 2 5  4 7 1  6 8 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,7,null,4,2,null,5,3,null,null,null,null,null,null,null,null,null,6,null,null,null,0,null,null,4,null,null,null,null,5,null,null,null,1,null,1,null,6,null,null,null,null,null,0,5,null,null,null,2,null,null,null,null,null,4,1,null,8,null,6,null,null,3,6,2,7,null,null,null,null,7,null,null,null,null,null,8,null,null],"solution":[1,8,0,7,6,4,2,3,5,3,4,7,5,2,1,0,8,6,2,6,5,8,3,0,7,1,4,6,7,8,0,5,3,4,2,1,4,1,2,6,8,7,5,0,3,0,5,3,4,1,2,6,7,8,5,2,4,1,0,8,3,6,7,8,3,6,2,7,5,1,4,0,7,0,1,3,4,6,8,5,2]}
-PUZZLE:
-_ _ _  8 _ 5  3 _ 6
-4 _ _  _ _ _  _ _ _
-_ 7 _  _ _ 1  _ _ 5
-
-_ _ _  _ 6 _  _ _ 2
-_ 2 _  7 _ _  _ _ _
-1 6 _  _ _ 3  _ _ _
-
-_ _ 5  2 _ 9  _ 7 _
-_ 4 7  3 8 _  _ _ _
-8 _ _  _ _ _  9 _ _
-
-SOLUTION:
-2 9 1  8 7 5  3 4 6
-4 5 8  6 3 2  1 9 7
-3 7 6  9 4 1  8 2 5
-
-7 8 9  1 6 4  5 3 2
-5 2 3  7 9 8  6 1 4
-1 6 4  5 2 3  7 8 9
-
-6 3 5  2 1 9  4 7 8
-9 4 7  3 8 6  2 5 1
-8 1 2  4 5 7  9 6 3
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,0,null,6,null,null,4,2,null,null,3,1,null,null,null,null,null,null,null,4,null,null,null,null,5,null,null,6,null,null,5,null,null,null,3,null,null,null,2,null,null,8,null,null,1,null,null,null,null,2,6,null,5,8,null,null,null,null,1,null,null,null,null,0,null,null,null,null,null,2,6,null,null,null,3,null,null,null,null],"solution":[1,7,8,0,5,6,3,2,4,2,5,4,3,1,7,6,0,8,0,6,3,4,8,2,7,1,5,8,2,6,1,0,5,4,7,3,3,0,7,6,2,4,5,8,1,4,1,5,8,7,3,2,6,0,5,8,2,7,4,0,1,3,6,7,3,0,5,6,1,8,4,2,6,4,1,2,3,8,0,5,7]}
-PUZZLE:
-_ _ _  1 _ 7  _ _ 5
-3 _ _  4 2 _  _ _ _
-_ _ _  5 _ _  _ _ 6
-
-_ _ 7  _ _ 6  _ _ _
-4 _ _  _ 3 _  _ 9 _
-_ 2 _  _ _ _  3 7 _
-
-6 9 _  _ _ _  2 _ _
-_ _ 1  _ _ _  _ _ 3
-7 _ _  _ 4 _  _ _ _
-
-SOLUTION:
-2 8 9  1 6 7  4 3 5
-3 6 5  4 2 8  7 1 9
-1 7 4  5 9 3  8 2 6
-
-9 3 7  2 1 6  5 8 4
-4 1 8  7 3 5  6 9 2
-5 2 6  9 8 4  3 7 1
-
-6 9 3  8 5 1  2 4 7
-8 4 1  6 7 2  9 5 3
-7 5 2  3 4 9  1 6 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[7,3,null,null,2,null,null,null,0,8,null,null,3,null,null,4,null,null,null,null,null,null,8,null,null,null,null,6,null,4,null,null,2,1,8,null,null,null,2,null,null,null,6,5,null,null,null,null,1,null,null,null,7,null,null,null,null,null,0,null,null,null,null,null,null,null,6,null,null,7,null,null,null,null,null,7,null,8,null,1,null],"solution":[7,3,1,4,2,5,8,6,0,8,5,0,3,1,6,4,2,7,4,2,6,0,8,7,5,3,1,6,0,4,5,7,2,1,8,3,1,7,2,8,3,0,6,5,4,3,8,5,1,6,4,0,7,2,5,6,7,2,0,1,3,4,8,2,1,8,6,4,3,7,0,5,0,4,3,7,5,8,2,1,6]}
-PUZZLE:
-8 4 _  _ 3 _  _ _ 1
-9 _ _  4 _ _  5 _ _
-_ _ _  _ 9 _  _ _ _
-
-7 _ 5  _ _ 3  2 9 _
-_ _ 3  _ _ _  7 6 _
-_ _ _  2 _ _  _ 8 _
-
-_ _ _  _ 1 _  _ _ _
-_ _ _  7 _ _  8 _ _
-_ _ _  8 _ 9  _ 2 _
-
-SOLUTION:
-8 4 2  5 3 6  9 7 1
-9 6 1  4 2 7  5 3 8
-5 3 7  1 9 8  6 4 2
-
-7 1 5  6 8 3  2 9 4
-2 8 3  9 4 1  7 6 5
-4 9 6  2 7 5  1 8 3
-
-6 7 8  3 1 2  4 5 9
-3 2 9  7 5 4  8 1 6
-1 5 4  8 6 9  3 2 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[5,2,null,7,null,null,null,4,null,null,null,null,null,6,null,null,null,null,null,null,null,4,null,8,null,null,null,null,null,4,null,5,null,null,null,null,3,8,null,null,null,null,null,1,7,null,null,7,null,null,null,4,2,null,null,null,null,null,4,null,5,null,6,null,null,null,null,1,null,null,null,0,0,null,null,null,null,3,null,null,null],"solution":[5,2,0,7,3,1,6,4,8,7,4,8,2,6,5,3,0,1,1,3,6,4,0,8,7,5,2,2,0,4,1,5,7,8,6,3,3,8,5,6,2,4,0,1,7,6,1,7,3,8,0,4,2,5,8,7,1,0,4,2,5,3,6,4,5,3,8,1,6,2,7,0,0,6,2,5,7,3,1,8,4]}
-PUZZLE:
-6 3 _  8 _ _  _ 5 _
-_ _ _  _ 7 _  _ _ _
-_ _ _  5 _ 9  _ _ _
-
-_ _ 5  _ 6 _  _ _ _
-4 9 _  _ _ _  _ 2 8
-_ _ 8  _ _ _  5 3 _
-
-_ _ _  _ 5 _  6 _ 7
-_ _ _  _ 2 _  _ _ 1
-1 _ _  _ _ 4  _ _ _
-
-SOLUTION:
-6 3 1  8 4 2  7 5 9
-8 5 9  3 7 6  4 1 2
-2 4 7  5 1 9  8 6 3
-
-3 1 5  2 6 8  9 7 4
-4 9 6  7 3 5  1 2 8
-7 2 8  4 9 1  5 3 6
-
-9 8 2  1 5 3  6 4 7
-5 6 4  9 2 7  3 8 1
-1 7 3  6 8 4  2 9 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,null,null,null,3,2,null,null,null,6,null,2,0,7,5,3,null,null,null,null,null,null,null,null,null,null,null,null,8,7,null,null,null,null,null,null,0,1,null,null,4,8,5,null,5,null,null,null,null,null,0,6,null,null,null,null,null,2,null,6,null,null,null,null,null,null,7,null,null,1,4,null,null,null,1,null,null,null,null,null],"solution":[0,1,5,6,4,3,2,7,8,8,6,4,2,0,7,5,3,1,3,7,2,5,8,1,4,0,6,6,2,8,7,5,0,1,4,3,7,0,1,3,6,4,8,5,2,5,4,3,8,1,2,0,6,7,1,3,7,4,2,5,6,8,0,2,5,6,0,7,8,3,1,4,4,8,0,1,3,6,7,2,5]}
-PUZZLE:
-_ 2 _  _ _ 4  3 _ _
-_ 7 _  3 1 8  6 4 _
-_ _ _  _ _ _  _ _ _
-
-_ _ 9  8 _ _  _ _ _
-_ 1 2  _ _ 5  9 6 _
-6 _ _  _ _ _  1 7 _
-
-_ _ _  _ 3 _  7 _ _
-_ _ _  _ 8 _  _ 2 5
-_ _ _  2 _ _  _ _ _
-
-SOLUTION:
-1 2 6  7 5 4  3 8 9
-9 7 5  3 1 8  6 4 2
-4 8 3  6 9 2  5 1 7
-
-7 3 9  8 6 1  2 5 4
-8 1 2  4 7 5  9 6 3
-6 5 4  9 2 3  1 7 8
-
-2 4 8  5 3 6  7 9 1
-3 6 7  1 8 9  4 2 5
-5 9 1  2 4 7  8 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[5,3,7,null,null,null,null,null,null,null,null,2,null,8,null,null,6,null,null,null,6,2,null,null,4,null,null,null,2,null,null,3,null,null,null,8,null,null,null,6,null,null,null,5,null,null,7,4,null,null,1,0,null,null,null,0,1,null,null,null,null,null,4,null,null,null,null,1,8,null,null,null,null,null,null,4,null,null,null,null,5],"solution":[5,3,7,1,4,6,2,8,0,1,4,2,3,8,0,5,6,7,0,8,6,2,7,5,4,3,1,6,2,5,0,3,7,1,4,8,8,1,0,6,2,4,7,5,3,3,7,4,8,5,1,0,2,6,2,0,1,5,6,3,8,7,4,4,5,3,7,1,8,6,0,2,7,6,8,4,0,2,3,1,5]}
-PUZZLE:
-6 4 8  _ _ _  _ _ _
-_ _ 3  _ 9 _  _ 7 _
-_ _ 7  3 _ _  5 _ _
-
-_ 3 _  _ 4 _  _ _ 9
-_ _ _  7 _ _  _ 6 _
-_ 8 5  _ _ 2  1 _ _
-
-_ 1 2  _ _ _  _ _ 5
-_ _ _  _ 2 9  _ _ _
-_ _ _  5 _ _  _ _ 6
-
-SOLUTION:
-6 4 8  2 5 7  3 9 1
-2 5 3  4 9 1  6 7 8
-1 9 7  3 8 6  5 4 2
-
-7 3 6  1 4 8  2 5 9
-9 2 1  7 3 5  8 6 4
-4 8 5  9 6 2  1 3 7
-
-3 1 2  6 7 4  9 8 5
-5 6 4  8 2 9  7 1 3
-8 7 9  5 1 3  4 2 6
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,5,null,null,null,1,null,null,3,8,null,null,4,null,null,3,7,null,1,0,null,null,null,0,null,2,null,null,null,null,7,null,null,null,null,5,null,null,null,null,1,3,4,null,null,2,null,null,null,null,null,null,null,8,5,null,1,2,0,null,null,null,7,null,null,6,null,null,null,null,null,null,null,1],"solution":[3,1,6,4,0,8,2,7,5,2,0,7,1,5,6,3,8,4,5,4,8,2,3,7,6,1,0,4,5,3,0,7,2,1,6,8,0,7,2,8,6,1,5,4,3,8,6,1,3,4,5,0,2,7,7,3,4,6,1,0,8,5,2,1,2,0,5,8,4,7,3,6,6,8,5,7,2,3,4,0,1]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 6
-_ _ _  2 _ _  4 9 _
-_ 5 _  _ 4 8  _ 2 1
-
-_ _ _  1 _ 3  _ _ _
-_ 8 _  _ _ _  6 _ _
-_ _ 2  4 5 _  _ 3 _
-
-_ _ _  _ _ _  9 6 _
-2 3 1  _ _ _  8 _ _
-7 _ _  _ _ _  _ _ 2
-
-SOLUTION:
-4 2 7  5 1 9  3 8 6
-3 1 8  2 6 7  4 9 5
-6 5 9  3 4 8  7 2 1
-
-5 6 4  1 8 3  2 7 9
-1 8 3  9 7 2  6 5 4
-9 7 2  4 5 6  1 3 8
-
-8 4 5  7 2 1  9 6 3
-2 3 1  6 9 5  8 4 7
-7 9 6  8 3 4  5 1 2
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,0,6,null,8,null,null,3,null,null,null,null,null,null,2,null,null,7,null,null,null,2,null,null,null,null,6,null,7,null,0,4,null,null,null,null,null,8,null,5,null,null,3,6,null,null,2,8,null,null,null,null,7,null,null,null,3,null,null,null,2,null,null,4,6,null,null,5,null,null,null,null,null,null,null,4,null,1,null,null],"solution":[2,5,0,6,1,8,7,4,3,3,6,1,4,7,0,2,5,8,7,8,4,5,2,3,6,0,1,6,3,7,1,0,4,5,8,2,4,1,8,7,5,2,0,3,6,5,0,2,8,3,6,4,1,7,0,7,5,3,6,1,8,2,4,1,4,6,2,8,5,3,7,0,8,2,3,0,4,7,1,6,5]}
-PUZZLE:
-_ _ 1  7 _ 9  _ _ 4
-_ _ _  _ _ _  3 _ _
-8 _ _  _ 3 _  _ _ _
-
-7 _ 8  _ 1 5  _ _ _
-_ _ 9  _ 6 _  _ 4 7
-_ _ 3  9 _ _  _ _ 8
-
-_ _ _  4 _ _  _ 3 _
-_ 5 7  _ _ 6  _ _ _
-_ _ _  _ 5 _  2 _ _
-
-SOLUTION:
-3 6 1  7 2 9  8 5 4
-4 7 2  5 8 1  3 6 9
-8 9 5  6 3 4  7 1 2
-
-7 4 8  2 1 5  6 9 3
-5 2 9  8 6 3  1 4 7
-6 1 3  9 4 7  5 2 8
-
-1 8 6  4 7 2  9 3 5
-2 5 7  3 9 6  4 8 1
-9 3 4  1 5 8  2 7 6
-
-RATING: 1.25
-DATA:
-{"puzzle":[5,null,null,null,3,null,4,null,null,null,2,null,8,null,null,null,null,null,null,3,null,7,null,5,2,null,null,null,null,null,null,null,null,5,null,2,3,null,null,null,null,null,null,8,null,0,5,null,null,6,4,3,null,null,7,null,null,6,null,null,null,null,null,null,null,0,null,null,7,null,null,5,null,null,null,null,null,null,null,3,null],"solution":[5,0,6,1,3,2,4,7,8,4,2,7,8,0,6,1,5,3,8,3,1,7,4,5,2,0,6,1,7,4,0,8,3,5,6,2,3,6,2,5,7,1,0,8,4,0,5,8,2,6,4,3,1,7,7,4,3,6,5,0,8,2,1,2,8,0,3,1,7,6,4,5,6,1,5,4,2,8,7,3,0]}
-PUZZLE:
-6 _ _  _ 4 _  5 _ _
-_ 3 _  9 _ _  _ _ _
-_ 4 _  8 _ 6  3 _ _
-
-_ _ _  _ _ _  6 _ 3
-4 _ _  _ _ _  _ 9 _
-1 6 _  _ 7 5  4 _ _
-
-8 _ _  7 _ _  _ _ _
-_ _ 1  _ _ 8  _ _ 6
-_ _ _  _ _ _  _ 4 _
-
-SOLUTION:
-6 1 7  2 4 3  5 8 9
-5 3 8  9 1 7  2 6 4
-9 4 2  8 5 6  3 1 7
-
-2 8 5  1 9 4  6 7 3
-4 7 3  6 8 2  1 9 5
-1 6 9  3 7 5  4 2 8
-
-8 5 4  7 6 1  9 3 2
-3 9 1  4 2 8  7 5 6
-7 2 6  5 3 9  8 4 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[0,null,null,null,2,null,null,5,6,null,null,null,6,null,null,3,null,null,null,null,null,null,null,1,null,null,null,null,null,0,7,null,null,null,3,null,4,null,2,null,null,null,null,0,null,null,5,null,null,null,null,null,null,null,null,6,null,null,null,7,null,4,3,null,7,1,null,null,0,null,null,5,null,null,null,null,null,null,6,7,null],"solution":[0,1,3,8,2,4,7,5,6,7,4,8,6,0,5,3,1,2,5,2,6,3,7,1,4,8,0,6,8,0,7,5,2,1,3,4,4,3,2,1,8,6,5,0,7,1,5,7,0,4,3,2,6,8,8,6,5,2,1,7,0,4,3,3,7,1,4,6,0,8,2,5,2,0,4,5,3,8,6,7,1]}
-PUZZLE:
-1 _ _  _ 3 _  _ 6 7
-_ _ _  7 _ _  4 _ _
-_ _ _  _ _ 2  _ _ _
-
-_ _ 1  8 _ _  _ 4 _
-5 _ 3  _ _ _  _ 1 _
-_ 6 _  _ _ _  _ _ _
-
-_ 7 _  _ _ 8  _ 5 4
-_ 8 2  _ _ 1  _ _ 6
-_ _ _  _ _ _  7 8 _
-
-SOLUTION:
-1 2 4  9 3 5  8 6 7
-8 5 9  7 1 6  4 2 3
-6 3 7  4 8 2  5 9 1
-
-7 9 1  8 6 3  2 4 5
-5 4 3  2 9 7  6 1 8
-2 6 8  1 5 4  3 7 9
-
-9 7 6  3 2 8  1 5 4
-4 8 2  5 7 1  9 3 6
-3 1 5  6 4 9  7 8 2
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-RATING: 0
-DATA:
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-PUZZLE:
-3 _ 4  2 _ _  _ 9 _
-_ 7 _  6 _ 4  _ _ _
-_ _ _  _ _ _  6 _ 3
-
-_ 4 _  _ _ 5  _ _ 8
-_ 5 _  9 8 _  _ _ 6
-_ _ _  4 _ _  _ 7 _
-
-9 _ 8  _ _ _  _ _ 5
-_ _ _  _ _ _  _ 8 _
-_ _ _  _ _ 1  3 _ _
-
-SOLUTION:
-3 6 4  2 5 8  1 9 7
-1 7 9  6 3 4  8 5 2
-5 8 2  1 7 9  6 4 3
-
-6 4 7  3 1 5  9 2 8
-2 5 1  9 8 7  4 3 6
-8 9 3  4 6 2  5 7 1
-
-9 3 8  7 4 6  2 1 5
-4 1 6  5 2 3  7 8 9
-7 2 5  8 9 1  3 6 4
-
-RATING: 0
-DATA:
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-PUZZLE:
-9 2 _  _ _ 6  _ _ _
-_ _ _  2 _ _  _ 5 4
-_ _ 8  _ _ _  _ _ _
-
-_ _ _  _ 1 _  _ _ 3
-_ 5 9  7 _ _  _ _ _
-_ 8 _  _ 6 _  _ _ _
-
-_ _ 7  1 4 _  8 _ 9
-_ 6 4  _ 2 _  _ _ _
-_ _ _  _ _ _  1 _ _
-
-SOLUTION:
-9 2 3  4 5 6  7 1 8
-7 1 6  2 9 8  3 5 4
-5 4 8  3 7 1  2 9 6
-
-6 7 2  5 1 4  9 8 3
-4 5 9  7 8 3  6 2 1
-3 8 1  9 6 2  4 7 5
-
-2 3 7  1 4 5  8 6 9
-1 6 4  8 2 9  5 3 7
-8 9 5  6 3 7  1 4 2
-
-RATING: 0
-DATA:
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-PUZZLE:
-_ 4 _  _ _ _  _ 3 2
-_ _ _  8 9 _  _ _ _
-_ 6 _  _ _ _  _ 4 _
-
-_ _ 6  _ _ 7  _ _ _
-_ _ 7  _ _ _  9 8 _
-_ _ _  5 _ 1  7 _ _
-
-8 1 2  _ _ 3  _ _ _
-4 _ _  _ 1 8  _ _ _
-_ _ _  _ 4 _  _ 2 _
-
-SOLUTION:
-9 4 8  1 7 6  5 3 2
-3 2 5  8 9 4  6 7 1
-7 6 1  3 2 5  8 4 9
-
-5 8 6  9 3 7  2 1 4
-1 3 7  4 6 2  9 8 5
-2 9 4  5 8 1  7 6 3
-
-8 1 2  6 5 3  4 9 7
-4 7 9  2 1 8  3 5 6
-6 5 3  7 4 9  1 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,8,4,null,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,5,3,null,null,0,null,null,4,1,null,null,null,3,6,null,0,null,null,null,null,null,2,null,3,null,null,6,null,null,null,null,null,null,5,1,null,null,null,null,null,null,null,null,5,null,null,null,1,8,null,null,4,null,null,null,null,null,4,3,null,2],"solution":[7,0,8,4,6,1,2,5,3,3,2,1,8,0,5,4,7,6,6,4,5,3,2,7,0,8,1,4,1,7,5,8,3,6,2,0,8,5,0,6,4,2,1,3,7,2,6,3,1,7,0,8,4,5,1,7,4,2,3,6,5,0,8,5,3,2,0,1,8,7,6,4,0,8,6,7,5,4,3,1,2]}
-PUZZLE:
-8 _ 9  5 _ _  _ _ _
-4 _ _  _ _ _  _ _ _
-_ _ 6  4 _ _  1 _ _
-
-5 2 _  _ _ 4  7 _ 1
-_ _ _  _ _ 3  _ 4 _
-_ 7 _  _ _ _  _ _ 6
-
-2 _ _  _ _ _  _ _ _
-6 _ _  _ 2 9  _ _ 5
-_ _ _  _ _ 5  4 _ 3
-
-SOLUTION:
-8 1 9  5 7 2  3 6 4
-4 3 2  9 1 6  5 8 7
-7 5 6  4 3 8  1 9 2
-
-5 2 8  6 9 4  7 3 1
-9 6 1  7 5 3  2 4 8
-3 7 4  2 8 1  9 5 6
-
-2 8 5  3 4 7  6 1 9
-6 4 3  1 2 9  8 7 5
-1 9 7  8 6 5  4 2 3
-
-RATING: 2.25
-DATA:
-{"puzzle":[7,null,null,null,null,5,null,null,null,null,null,null,3,null,null,null,null,null,8,2,null,null,null,null,0,null,null,4,null,null,7,null,null,1,null,2,2,null,null,null,null,null,3,7,null,null,3,null,1,null,0,null,null,null,null,null,null,6,8,null,null,null,7,5,null,null,null,4,null,null,8,null,null,null,null,null,null,3,null,null,4],"solution":[7,0,3,8,1,5,4,2,6,1,6,4,3,0,2,7,5,8,8,2,5,4,7,6,0,3,1,4,5,0,7,3,8,1,6,2,2,8,1,5,6,4,3,7,0,6,3,7,1,2,0,8,4,5,3,4,2,6,8,1,5,0,7,5,1,6,0,4,7,2,8,3,0,7,8,2,5,3,6,1,4]}
-PUZZLE:
-8 _ _  _ _ 6  _ _ _
-_ _ _  4 _ _  _ _ _
-9 3 _  _ _ _  1 _ _
-
-5 _ _  8 _ _  2 _ 3
-3 _ _  _ _ _  4 8 _
-_ 4 _  2 _ 1  _ _ _
-
-_ _ _  7 9 _  _ _ 8
-6 _ _  _ 5 _  _ 9 _
-_ _ _  _ _ 4  _ _ 5
-
-SOLUTION:
-8 1 4  9 2 6  5 3 7
-2 7 5  4 1 3  8 6 9
-9 3 6  5 8 7  1 4 2
-
-5 6 1  8 4 9  2 7 3
-3 9 2  6 7 5  4 8 1
-7 4 8  2 3 1  9 5 6
-
-4 5 3  7 9 2  6 1 8
-6 2 7  1 5 8  3 9 4
-1 8 9  3 6 4  7 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,1,5,null,null,null,null,null,null,null,2,null,null,null,null,null,1,null,null,7,null,null,null,6,8,null,null,null,null,null,null,null,8,null,null,5,6,null,null,4,null,3,null,null,0,5,null,null,null,2,null,7,null,4,null,null,null,null,null,null,null,null,null,7,null,null,5,null,null,null,null,2,null,null,4,null,8,null,null,null,null],"solution":[8,1,5,7,3,4,2,0,6,3,2,6,8,0,5,4,1,7,4,7,0,2,1,6,8,5,3,0,4,2,1,7,8,6,3,5,6,8,7,4,5,3,1,2,0,5,3,1,6,2,0,7,8,4,1,6,3,0,4,2,5,7,8,7,0,8,5,6,1,3,4,2,2,5,4,3,8,7,0,6,1]}
-PUZZLE:
-_ 2 6  _ _ _  _ _ _
-_ 3 _  _ _ _  _ 2 _
-_ 8 _  _ _ 7  9 _ _
-
-_ _ _  _ _ 9  _ _ 6
-7 _ _  5 _ 4  _ _ 1
-6 _ _  _ 3 _  8 _ 5
-
-_ _ _  _ _ _  _ _ _
-8 _ _  6 _ _  _ _ 3
-_ _ 5  _ 9 _  _ _ _
-
-SOLUTION:
-9 2 6  8 4 5  3 1 7
-4 3 7  9 1 6  5 2 8
-5 8 1  3 2 7  9 6 4
-
-1 5 3  2 8 9  7 4 6
-7 9 8  5 6 4  2 3 1
-6 4 2  7 3 1  8 9 5
-
-2 7 4  1 5 3  6 8 9
-8 1 9  6 7 2  4 5 3
-3 6 5  4 9 8  1 7 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,1,null,null,null,null,4,null,0,4,null,null,null,2,null,null,1,null,8,null,null,null,6,null,0,6,4,null,5,null,8,3,null,null,null,7,null,null,1,null,null,null,null,null,null,null,null,0,null,null,4,null,null,null,null,null,null,3,null,null,null,8,null,7,null,null,null,0,null,2,null,null,null,null,null,5,null,6,null],"solution":[2,6,3,1,5,0,7,8,4,7,0,4,8,3,6,2,1,5,1,5,8,2,4,7,6,3,0,6,4,2,5,7,8,3,0,1,0,7,5,3,1,4,8,2,6,3,8,1,6,0,2,5,4,7,5,1,6,0,2,3,4,7,8,8,3,7,4,6,1,0,5,2,4,2,0,7,8,5,1,6,3]}
-PUZZLE:
-_ _ 4  2 _ _  _ _ 5
-_ 1 5  _ _ _  3 _ _
-2 _ 9  _ _ _  7 _ 1
-
-7 5 _  6 _ 9  4 _ _
-_ 8 _  _ 2 _  _ _ _
-_ _ _  _ 1 _  _ 5 _
-
-_ _ _  _ _ 4  _ _ _
-9 _ 8  _ _ _  1 _ 3
-_ _ _  _ _ 6  _ 7 _
-
-SOLUTION:
-3 7 4  2 6 1  8 9 5
-8 1 5  9 4 7  3 2 6
-2 6 9  3 5 8  7 4 1
-
-7 5 3  6 8 9  4 1 2
-1 8 6  4 2 5  9 3 7
-4 9 2  7 1 3  6 5 8
-
-6 2 7  1 3 4  5 8 9
-9 4 8  5 7 2  1 6 3
-5 3 1  8 9 6  2 7 4
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,7,null,null,null,null,null,null,null,6,null,null,null,5,8,null,0,null,null,null,8,3,null,null,null,1,null,null,null,null,5,null,null,null,7,3,null,0,null,4,null,null,null,8,5,null,null,3,null,null,null,null,null,null,4,5,null,null,6,null,null,null,null,3,null,0,7,4,1,null,null,null,null,8,null,null,null,null,6,null,null],"solution":[0,7,5,6,1,4,3,2,8,6,3,1,2,5,8,7,0,4,2,4,8,3,7,0,5,1,6,8,1,4,5,0,6,2,7,3,7,0,6,4,2,3,1,8,5,5,2,3,1,8,7,4,6,0,4,5,7,8,6,2,0,3,1,3,6,0,7,4,1,8,5,2,1,8,2,0,3,5,6,4,7]}
-PUZZLE:
-_ 8 _  _ _ _  _ _ _
-7 _ _  _ 6 9  _ 1 _
-_ _ 9  4 _ _  _ 2 _
-
-_ _ _  6 _ _  _ 8 4
-_ 1 _  5 _ _  _ 9 6
-_ _ 4  _ _ _  _ _ _
-
-5 6 _  _ 7 _  _ _ _
-4 _ 1  8 5 2  _ _ _
-_ 9 _  _ _ _  7 _ _
-
-SOLUTION:
-1 8 6  7 2 5  4 3 9
-7 4 2  3 6 9  8 1 5
-3 5 9  4 8 1  6 2 7
-
-9 2 5  6 1 7  3 8 4
-8 1 7  5 3 4  2 9 6
-6 3 4  2 9 8  5 7 1
-
-5 6 8  9 7 3  1 4 2
-4 7 1  8 5 2  9 6 3
-2 9 3  1 4 6  7 5 8
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,2,null,null,6,null,null,null,null,null,0,null,1,2,null,null,0,null,1,null,null,7,null,null,4,null,null,null,null,null,null,null,3,null,3,null,null,5,null,null,8,null,null,null,null,5,null,null,8,null,null,null,null,7,null,6,null,null,null,1,2,5,null,null,null,3,null,null,null,null,6,null,null,7,null,null,null,null,null],"solution":[7,5,8,2,4,3,6,0,1,4,3,6,0,5,1,2,8,7,0,2,1,8,6,7,3,5,4,2,8,0,4,7,6,1,3,5,3,4,7,5,1,0,8,2,6,1,6,5,3,2,8,4,7,0,8,7,3,6,0,4,5,1,2,5,0,4,1,3,2,7,6,8,6,1,2,7,8,5,0,4,3]}
-PUZZLE:
-_ _ _  3 _ _  7 _ _
-_ _ _  1 _ 2  3 _ _
-1 _ 2  _ _ 8  _ _ 5
-
-_ _ _  _ _ _  _ 4 _
-4 _ _  6 _ _  9 _ _
-_ _ 6  _ _ 9  _ _ _
-
-_ 8 _  7 _ _  _ 2 3
-6 _ _  _ 4 _  _ _ _
-7 _ _  8 _ _  _ _ _
-
-SOLUTION:
-8 6 9  3 5 4  7 1 2
-5 4 7  1 6 2  3 9 8
-1 3 2  9 7 8  4 6 5
-
-3 9 1  5 8 7  2 4 6
-4 5 8  6 2 1  9 3 7
-2 7 6  4 3 9  5 8 1
-
-9 8 4  7 1 5  6 2 3
-6 1 5  2 4 3  8 7 9
-7 2 3  8 9 6  1 5 4
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,null,0,8,5,null,null,8,null,4,7,null,null,null,7,null,0,null,null,4,null,null,1,null,8,null,null,6,null,5,null,null,null,6,null,null,null,null,4,null,null,5,null,null,3,8,null,null,6,null,null,null,4,null,null,null,null,3],"solution":[7,8,4,6,0,2,1,3,5,2,1,0,3,8,5,6,7,4,3,6,5,1,4,7,2,0,8,5,0,3,8,1,4,7,6,2,6,7,2,0,5,3,4,8,1,1,4,8,2,7,6,3,5,0,0,3,6,5,2,1,8,4,7,4,5,1,7,3,8,0,2,6,8,2,7,4,6,0,5,1,3]}
-PUZZLE:
-8 _ _  _ _ 3  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  2 _ _  _ 1 9
-
-6 _ _  9 _ 5  8 _ _
-_ 8 _  1 _ _  5 _ _
-2 _ 9  _ _ 7  _ 6 _
-
-_ _ 7  _ _ _  _ 5 _
-_ 6 _  _ 4 9  _ _ 7
-_ _ _  5 _ _  _ _ 4
-
-SOLUTION:
-8 9 5  7 1 3  2 4 6
-3 2 1  4 9 6  7 8 5
-4 7 6  2 5 8  3 1 9
-
-6 1 4  9 2 5  8 7 3
-7 8 3  1 6 4  5 9 2
-2 5 9  3 8 7  4 6 1
-
-1 4 7  6 3 2  9 5 8
-5 6 2  8 4 9  1 3 7
-9 3 8  5 7 1  6 2 4
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,6,null,4,null,3,6,null,null,null,7,null,null,null,null,null,5,2,1,null,null,null,null,4,null,null,7,null,null,3,null,null,6,7,null,null,null,2,null,null,null,null,null,null,1,4,null,null,7,null,null,null,null,0,null,8,4,null,null,null,2,null,null,null,null,null,null,null,8,null,3,null,null,null,null,null,6],"solution":[2,1,7,8,0,6,5,4,3,3,6,8,4,5,7,2,0,1,0,4,5,2,1,3,8,6,7,4,8,1,7,6,5,3,2,0,6,7,0,3,8,2,1,5,4,5,3,2,1,4,0,6,7,8,1,5,6,0,7,8,4,3,2,7,2,4,6,3,1,0,8,5,8,0,3,5,2,4,7,1,6]}
-PUZZLE:
-_ _ _  _ _ 7  _ 5 _
-4 7 _  _ _ 8  _ _ _
-_ _ 6  3 2 _  _ _ _
-
-5 _ _  8 _ _  4 _ _
-7 8 _  _ _ 3  _ _ _
-_ _ _  2 5 _  _ 8 _
-
-_ _ _  1 _ 9  5 _ _
-_ 3 _  _ _ _  _ _ _
-9 _ 4  _ _ _  _ _ 7
-
-SOLUTION:
-3 2 8  9 1 7  6 5 4
-4 7 9  5 6 8  3 1 2
-1 5 6  3 2 4  9 7 8
-
-5 9 2  8 7 6  4 3 1
-7 8 1  4 9 3  2 6 5
-6 4 3  2 5 1  7 8 9
-
-2 6 7  1 8 9  5 4 3
-8 3 5  7 4 2  1 9 6
-9 1 4  6 3 5  8 2 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[5,7,null,null,null,null,null,4,null,null,null,null,0,null,null,null,null,null,null,null,6,null,2,1,null,null,0,null,null,null,null,null,null,3,null,null,null,null,4,null,5,6,null,8,null,1,null,null,null,null,null,2,null,4,null,null,null,null,null,null,4,null,6,null,null,null,2,0,null,null,null,null,null,null,null,6,null,8,null,3,null],"solution":[5,7,0,8,6,3,1,4,2,8,1,2,0,7,4,6,5,3,3,4,6,5,2,1,8,7,0,6,8,7,4,1,2,3,0,5,0,2,4,3,5,6,7,8,1,1,3,5,7,8,0,2,6,4,7,0,8,1,3,5,4,2,6,4,6,3,2,0,7,5,1,8,2,5,1,6,4,8,0,3,7]}
-PUZZLE:
-6 8 _  _ _ _  _ 5 _
-_ _ _  1 _ _  _ _ _
-_ _ 7  _ 3 2  _ _ 1
-
-_ _ _  _ _ _  4 _ _
-_ _ 5  _ 6 7  _ 9 _
-2 _ _  _ _ _  3 _ 5
-
-_ _ _  _ _ _  5 _ 7
-_ _ _  3 1 _  _ _ _
-_ _ _  7 _ 9  _ 4 _
-
-SOLUTION:
-6 8 1  9 7 4  2 5 3
-9 2 3  1 8 5  7 6 4
-4 5 7  6 3 2  9 8 1
-
-7 9 8  5 2 3  4 1 6
-1 3 5  4 6 7  8 9 2
-2 4 6  8 9 1  3 7 5
-
-8 1 9  2 4 6  5 3 7
-5 7 4  3 1 8  6 2 9
-3 6 2  7 5 9  1 4 8
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,4,5,2,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,0,null,3,2,null,5,null,8,null,null,null,1,null,null,null,null,null,null,null,null,4,7,null,null,8,null,null,null,null,2,null,7,null,null,null,0,5,null,null,null,null,4,5,null,6,null,null,null,null,null,null,null,2,null,8,1,null,null],"solution":[6,0,4,5,2,3,7,8,1,2,1,3,7,8,6,4,0,5,5,8,7,1,4,0,6,3,2,4,5,2,8,3,7,0,1,6,1,3,6,0,5,2,8,4,7,0,7,8,6,1,4,5,2,3,7,2,1,4,0,5,3,6,8,8,4,5,3,6,1,2,7,0,3,6,0,2,7,8,1,5,4]}
-PUZZLE:
-7 _ 5  6 3 _  _ _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 5 1  _ 4 3
-
-_ 6 _  9 _ _  _ 2 _
-_ _ _  _ _ _  _ 5 8
-_ _ 9  _ _ _  _ 3 _
-
-8 _ _  _ 1 6  _ _ _
-_ 5 6  _ 7 _  _ _ _
-_ _ _  3 _ 9  2 _ _
-
-SOLUTION:
-7 1 5  6 3 4  8 9 2
-3 2 4  8 9 7  5 1 6
-6 9 8  2 5 1  7 4 3
-
-5 6 3  9 4 8  1 2 7
-2 4 7  1 6 3  9 5 8
-1 8 9  7 2 5  6 3 4
-
-8 3 2  5 1 6  4 7 9
-9 5 6  4 7 2  3 8 1
-4 7 1  3 8 9  2 6 5
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,0,null,2,3,1,null,null,4,5,null,6,null,null,null,null,null,null,2,null,3,null,null,null,null,null,null,null,null,2,null,7,8,null,4,8,null,null,null,null,null,3,null,null,null,null,null,5,3,4,null,null,0,null,null,null,8,4,null,null,null,null,null,null,2,null,null,null,null,null,5,null,7,null,null,0,null,null,null],"solution":[7,6,8,0,4,2,3,1,5,3,4,5,1,6,7,0,2,8,1,0,2,5,3,8,6,7,4,6,5,3,4,2,1,7,8,0,4,8,1,7,0,6,5,3,2,2,7,0,8,5,3,4,6,1,0,1,6,3,8,4,2,5,7,8,3,4,2,7,5,1,0,6,5,2,7,6,1,0,8,4,3]}
-PUZZLE:
-_ _ _  1 _ 3  4 2 _
-_ 5 6  _ 7 _  _ _ _
-_ _ 3  _ 4 _  _ _ _
-
-_ _ _  _ 3 _  8 9 _
-5 9 _  _ _ _  _ 4 _
-_ _ _  _ 6 4  5 _ _
-
-1 _ _  _ 9 5  _ _ _
-_ _ _  3 _ _  _ _ _
-6 _ 8  _ _ 1  _ _ _
-
-SOLUTION:
-8 7 9  1 5 3  4 2 6
-4 5 6  2 7 8  1 3 9
-2 1 3  6 4 9  7 8 5
-
-7 6 4  5 3 2  8 9 1
-5 9 2  8 1 7  6 4 3
-3 8 1  9 6 4  5 7 2
-
-1 2 7  4 9 5  3 6 8
-9 4 5  3 8 6  2 1 7
-6 3 8  7 2 1  9 5 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,4,5,null,null,8,null,null,6,1,null,null,null,null,null,null,5,null,null,null,null,2,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,5,null,3,null,null,null,null,null,2,null,8,null,1,0,7,null,null,null,1,6,null,7,2,null,null,0,null,null,null,null,null,3,8,null,null,8,null,null,null,null,null,5,6],"solution":[2,0,4,5,7,3,8,6,1,6,1,3,0,4,8,7,2,5,7,5,8,1,2,6,4,0,3,1,7,0,2,6,4,5,3,8,8,4,5,7,3,0,6,1,2,3,2,6,8,5,1,0,7,4,5,3,1,6,8,7,2,4,0,0,6,2,4,1,5,3,8,7,4,8,7,3,0,2,1,5,6]}
-PUZZLE:
-_ _ 5  6 _ _  9 _ _
-7 2 _  _ _ _  _ _ 6
-_ _ _  _ 3 _  _ _ _
-
-_ _ 1  _ _ _  _ _ _
-_ _ 6  _ 4 _  _ _ _
-_ 3 _  9 _ 2  1 8 _
-
-_ _ 2  7 _ 8  3 _ _
-1 _ _  _ _ _  4 9 _
-_ 9 _  _ _ _  _ 6 7
-
-SOLUTION:
-3 1 5  6 8 4  9 7 2
-7 2 4  1 5 9  8 3 6
-8 6 9  2 3 7  5 1 4
-
-2 8 1  3 7 5  6 4 9
-9 5 6  8 4 1  7 2 3
-4 3 7  9 6 2  1 8 5
-
-6 4 2  7 9 8  3 5 1
-1 7 3  5 2 6  4 9 8
-5 9 8  4 1 3  2 6 7
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,5,null,6,null,null,null,1,null,7,null,null,null,null,null,null,null,7,6,null,null,0,null,8,null,0,6,3,null,null,null,7,null,5,null,null,8,null,null,null,null,1,null,null,null,null,null,null,5,null,0,null,8,null,null,null,null,null,null,null,null,null,4,null,null,7,null,2,null,null,null,null,0,null,null,3,null,null],"solution":[3,2,0,1,5,8,6,4,7,6,1,8,7,0,4,2,5,3,4,5,7,6,2,3,0,1,8,1,0,6,3,4,5,8,7,2,5,7,2,8,6,0,4,3,1,8,4,3,2,7,1,5,6,0,2,8,1,4,3,6,7,0,5,0,3,4,5,8,7,1,2,6,7,6,5,0,1,2,3,8,4]}
-PUZZLE:
-_ _ _  _ 6 _  7 _ _
-_ 2 _  8 _ _  _ _ _
-_ _ 8  7 _ _  1 _ 9
-
-_ 1 7  4 _ _  _ 8 _
-6 _ _  9 _ _  _ _ 2
-_ _ _  _ _ _  6 _ 1
-
-_ 9 _  _ _ _  _ _ _
-_ _ 5  _ _ 8  _ 3 _
-_ _ _  1 _ _  4 _ _
-
-SOLUTION:
-4 3 1  2 6 9  7 5 8
-7 2 9  8 1 5  3 6 4
-5 6 8  7 3 4  1 2 9
-
-2 1 7  4 5 6  9 8 3
-6 8 3  9 7 1  5 4 2
-9 5 4  3 8 2  6 7 1
-
-3 9 2  5 4 7  8 1 6
-1 4 5  6 9 8  2 3 7
-8 7 6  1 2 3  4 9 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,4,8,null,null,null,null,2,null,null,0,null,6,3,null,null,null,3,null,null,1,null,null,8,null,1,5,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,2,null,null,null,0,4,null,8,null,null,null,3,null,null,null,6,null,7,null,2,null,null,null,null,0,5,null,null,8,null,null,null,null,null],"solution":[7,1,5,4,8,3,6,0,2,2,4,8,0,7,6,3,1,5,0,3,6,5,1,2,7,8,4,1,5,3,7,4,0,2,6,8,4,0,7,6,2,8,5,3,1,6,8,2,3,5,1,0,4,7,8,2,0,1,3,5,4,7,6,3,7,1,2,6,4,8,5,0,5,6,4,8,0,7,1,2,3]}
-PUZZLE:
-_ _ _  5 9 _  _ _ _
-3 _ _  1 _ 7  4 _ _
-_ 4 _  _ 2 _  _ 9 _
-
-2 6 _  8 _ _  _ _ _
-_ _ _  _ _ _  _ _ 2
-_ _ 3  _ _ _  1 5 _
-
-9 _ _  _ 4 _  _ _ 7
-_ 8 _  3 _ _  _ _ 1
-6 _ _  9 _ _  _ _ _
-
-SOLUTION:
-8 2 6  5 9 4  7 1 3
-3 5 9  1 8 7  4 2 6
-1 4 7  6 2 3  8 9 5
-
-2 6 4  8 5 1  3 7 9
-5 1 8  7 3 9  6 4 2
-7 9 3  4 6 2  1 5 8
-
-9 3 1  2 4 6  5 8 7
-4 8 2  3 7 5  9 6 1
-6 7 5  9 1 8  2 3 4
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,3,null,7,2,null,5,null,0,null,null,null,0,null,null,null,null,null,null,null,null,8,null,1,7,null,null,null,4,null,null,null,null,null,0,null,null,null,2,6,null,null,null,8,null,null,null,null,null,null,8,null,3,1,5,1,null,null,null,null,null,null,null,null,null,null,3,null,null,1,null,null,0,7,null,null,null,4,null,null,null],"solution":[8,3,1,7,2,6,5,4,0,6,2,7,0,4,5,3,1,8,4,5,0,8,3,1,7,2,6,3,4,8,5,1,2,6,0,7,1,0,2,6,7,3,4,8,5,7,6,5,4,0,8,2,3,1,5,1,4,2,8,7,0,6,3,2,8,6,3,5,0,1,7,4,0,7,3,1,6,4,8,5,2]}
-PUZZLE:
-_ 4 _  8 3 _  6 _ 1
-_ _ _  1 _ _  _ _ _
-_ _ _  9 _ 2  8 _ _
-
-_ 5 _  _ _ _  _ 1 _
-_ _ 3  7 _ _  _ 9 _
-_ _ _  _ _ 9  _ 4 2
-
-6 2 _  _ _ _  _ _ _
-_ _ _  4 _ _  2 _ _
-1 8 _  _ _ 5  _ _ _
-
-SOLUTION:
-9 4 2  8 3 7  6 5 1
-7 3 8  1 5 6  4 2 9
-5 6 1  9 4 2  8 3 7
-
-4 5 9  6 2 3  7 1 8
-2 1 3  7 8 4  5 9 6
-8 7 6  5 1 9  3 4 2
-
-6 2 5  3 9 8  1 7 4
-3 9 7  4 6 1  2 8 5
-1 8 4  2 7 5  9 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,null,8,0,null,null,6,7,null,null,null,null,null,2,1,null,3,null,null,null,5,null,null,null,null,6,null,null,null,null,null,8,4,null,null,null,null,null,2,null,null,null,null,8,3,null,5,4,null,null,7,null,null,null,null,null,null,7,3,null,null,5,6,0,null,null,null,null,null,3,2,null,5,null,null,null,null,8],"solution":[2,4,1,7,6,8,0,5,3,6,7,5,3,4,0,8,2,1,8,3,0,2,1,5,4,7,6,5,6,2,1,0,7,3,8,4,4,1,7,8,3,2,5,6,0,0,8,3,6,5,4,2,1,7,1,0,8,4,2,6,7,3,5,7,5,6,0,8,3,1,4,2,3,2,4,5,7,1,6,0,8]}
-PUZZLE:
-_ _ 2  _ _ 9  1 _ _
-7 8 _  _ _ _  _ 3 2
-_ 4 _  _ _ 6  _ _ _
-
-_ 7 _  _ _ _  _ 9 5
-_ _ _  _ _ 3  _ _ _
-_ 9 4  _ 6 5  _ _ 8
-
-_ _ _  _ _ _  8 4 _
-_ 6 7  1 _ _  _ _ _
-4 3 _  6 _ _  _ _ 9
-
-SOLUTION:
-3 5 2  8 7 9  1 6 4
-7 8 6  4 5 1  9 3 2
-9 4 1  3 2 6  5 8 7
-
-6 7 3  2 1 8  4 9 5
-5 2 8  9 4 3  6 7 1
-1 9 4  7 6 5  3 2 8
-
-2 1 9  5 3 7  8 4 6
-8 6 7  1 9 4  2 5 3
-4 3 5  6 8 2  7 1 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,4,null,6,null,2,7,null,null,null,null,null,8,5,null,null,null,0,1,null,4,null,null,5,null,8,4,null,3,null,null,null,null,2,6,null,null,null,null,null,null,0,null,null,null,null,null,null,5,4,1,null,null,null,null,null,null,null,2,null,null,null,null,null,null,8,null,null,null,null,null,null,2,null,5,3,0,8,null,null],"solution":[5,8,4,3,6,1,2,7,0,3,7,2,0,8,5,4,6,1,0,1,6,4,2,7,5,3,8,4,5,3,1,0,8,7,2,6,1,6,8,2,7,3,0,5,4,2,0,7,6,5,4,1,8,3,8,3,0,7,4,2,6,1,5,7,4,5,8,1,6,3,0,2,6,2,1,5,3,0,8,4,7]}
-PUZZLE:
-_ _ 5  _ 7 _  3 8 _
-_ _ _  _ 9 6  _ _ _
-1 2 _  5 _ _  6 _ 9
-
-5 _ 4  _ _ _  _ 3 7
-_ _ _  _ _ _  1 _ _
-_ _ _  _ 6 5  2 _ _
-
-_ _ _  _ _ 3  _ _ _
-_ _ _  9 _ _  _ _ _
-_ 3 _  6 4 1  9 _ _
-
-SOLUTION:
-6 9 5  4 7 2  3 8 1
-4 8 3  1 9 6  5 7 2
-1 2 7  5 3 8  6 4 9
-
-5 6 4  2 1 9  8 3 7
-2 7 9  3 8 4  1 6 5
-3 1 8  7 6 5  2 9 4
-
-9 4 1  8 5 3  7 2 6
-8 5 6  9 2 7  4 1 3
-7 3 2  6 4 1  9 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,5,8,null,4,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,0,2,null,7,null,null,null,null,8,null,null,null,null,null,4,null,0,null,3,1,null,5,null,2,null,null,null,null,null,null,null,5,null,null,null,null,null,null,7,6,null,null,null,4,null,1,3,null,null,null,null,null,5,null,null,6],"solution":[3,2,0,5,8,1,4,6,7,6,4,7,0,2,3,1,5,8,5,1,8,6,4,7,3,0,2,0,7,4,3,1,6,8,2,5,2,8,6,4,5,0,7,3,1,1,5,3,2,7,8,6,4,0,8,3,5,1,6,2,0,7,4,7,6,2,8,0,4,5,1,3,4,0,1,7,3,5,2,8,6]}
-PUZZLE:
-4 _ _  6 9 _  5 _ _
-_ _ _  _ 3 _  _ _ _
-_ _ _  _ _ _  _ 1 3
-
-_ 8 _  _ _ _  9 _ _
-_ _ _  5 _ 1  _ 4 2
-_ 6 _  3 _ _  _ _ _
-
-_ _ 6  _ _ _  _ _ _
-8 7 _  _ _ 5  _ 2 4
-_ _ _  _ _ 6  _ _ 7
-
-SOLUTION:
-4 3 1  6 9 2  5 7 8
-7 5 8  1 3 4  2 6 9
-6 2 9  7 5 8  4 1 3
-
-1 8 5  4 2 7  9 3 6
-3 9 7  5 6 1  8 4 2
-2 6 4  3 8 9  7 5 1
-
-9 4 6  2 7 3  1 8 5
-8 7 3  9 1 5  6 2 4
-5 1 2  8 4 6  3 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,6,null,null,null,null,null,null,null,1,null,null,null,4,null,8,8,2,null,null,7,null,null,null,5,null,6,4,null,3,2,7,null,null,null,null,null,null,null,6,null,1,null,2,null,null,null,null,null,null,null,3,null,1,6,null,2,null,null,null,4,null,null,null,8,null,null,null,2,null,null,null,null,null,1,0,null,null,null],"solution":[4,7,5,6,0,8,2,3,1,6,0,1,2,5,3,4,7,8,8,2,3,1,7,4,0,6,5,1,6,4,5,3,2,7,8,0,0,3,8,7,4,6,5,1,2,2,5,7,0,8,1,6,4,3,5,1,6,3,2,7,8,0,4,3,4,0,8,6,5,1,2,7,7,8,2,4,1,0,3,5,6]}
-PUZZLE:
-_ _ 6  7 _ _  _ _ _
-_ _ 2  _ _ _  5 _ 9
-9 3 _  _ 8 _  _ _ 6
-
-_ 7 5  _ 4 3  8 _ _
-_ _ _  _ _ 7  _ 2 _
-3 _ _  _ _ _  _ _ 4
-
-_ 2 7  _ 3 _  _ _ 5
-_ _ _  9 _ _  _ 3 _
-_ _ _  _ 2 1  _ _ _
-
-SOLUTION:
-5 8 6  7 1 9  3 4 2
-7 1 2  3 6 4  5 8 9
-9 3 4  2 8 5  1 7 6
-
-2 7 5  6 4 3  8 9 1
-1 4 9  8 5 7  6 2 3
-3 6 8  1 9 2  7 5 4
-
-6 2 7  4 3 8  9 1 5
-4 5 1  9 7 6  2 3 8
-8 9 3  5 2 1  4 6 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,1,null,null,5,null,null,null,null,6,null,2,null,null,null,null,null,0,null,null,null,4,null,null,null,8,null,null,null,3,null,null,null,0,7,5,2,null,null,null,null,6,null,null,null,null,null,null,7,8,4,5,null,null,1,null,null,3,null,null,8,null,null,null,4,null,2,null,null,7,null,null,5,null,null,1,null],"solution":[7,3,4,2,8,1,6,0,5,5,1,0,4,6,7,2,8,3,8,6,2,0,3,5,1,4,7,1,4,8,7,0,6,3,5,2,3,0,7,5,2,8,4,6,1,6,2,5,1,4,3,0,7,8,4,5,6,8,1,2,7,3,0,0,8,1,3,7,4,5,2,6,2,7,3,6,5,0,8,1,4]}
-PUZZLE:
-_ _ _  _ _ 2  _ _ 6
-_ _ _  _ 7 _  3 _ _
-_ _ _  1 _ _  _ 5 _
-
-_ _ 9  _ _ _  4 _ _
-_ 1 8  6 3 _  _ _ _
-7 _ _  _ _ _  _ 8 9
-
-5 6 _  _ 2 _  _ 4 _
-_ 9 _  _ _ 5  _ 3 _
-_ 8 _  _ 6 _  _ 2 _
-
-SOLUTION:
-8 4 5  3 9 2  7 1 6
-6 2 1  5 7 8  3 9 4
-9 7 3  1 4 6  2 5 8
-
-2 5 9  8 1 7  4 6 3
-4 1 8  6 3 9  5 7 2
-7 3 6  2 5 4  1 8 9
-
-5 6 7  9 2 3  8 4 1
-1 9 2  4 8 5  6 3 7
-3 8 4  7 6 1  9 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,null,null,0,null,null,8,null,null,null,5,null,null,null,7,null,null,null,null,null,null,null,null,null,1,null,4,5,6,null,3,null,null,null,null,null,null,7,8,null,null,null,null,null,null,0,4,null,null,null,null,null,4,null,8,null,null,null,0,null,null,7,null,null,null,null,null,null,5,null,null,3,null,null,1,null,null,null,7],"solution":[3,5,6,1,7,0,4,2,8,2,1,4,5,6,8,3,7,0,0,8,7,3,4,2,5,6,1,1,4,5,6,0,3,7,8,2,6,2,3,7,8,5,1,0,4,8,7,0,4,2,1,6,3,5,4,6,8,2,5,7,0,1,3,7,0,1,8,3,4,2,5,6,5,3,2,0,1,6,8,4,7]}
-PUZZLE:
-_ _ 7  _ _ 1  _ _ 9
-_ _ _  6 _ _  _ 8 _
-_ _ _  _ _ _  _ _ 2
-
-_ 5 6  7 _ 4  _ _ _
-_ _ _  8 9 _  _ _ _
-_ _ 1  5 _ _  _ _ _
-
-5 _ 9  _ _ _  1 _ _
-8 _ _  _ _ _  _ 6 _
-_ 4 _  _ 2 _  _ _ 8
-
-SOLUTION:
-4 6 7  2 8 1  5 3 9
-3 2 5  6 7 9  4 8 1
-1 9 8  4 5 3  6 7 2
-
-2 5 6  7 1 4  8 9 3
-7 3 4  8 9 6  2 1 5
-9 8 1  5 3 2  7 4 6
-
-5 7 9  3 6 8  1 2 4
-8 1 2  9 4 5  3 6 7
-6 4 3  1 2 7  9 5 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,2,null,null,null,4,1,null,null,null,null,6,0,null,null,null,3,1,null,null,null,null,0,null,null,null,null,null,null,null,3,null,2,null,null,5,null,null,1,null,null,null,null,null,0,2,6,4,null,null,7,null,4,null,null,null,null,null,null,0,3,null,8,null,null,null,null,7,null,null,7,null,null,0,null,null,null,1,null],"solution":[5,6,0,2,3,7,8,4,1,2,4,8,1,6,0,5,3,7,3,1,7,4,8,5,0,6,2,8,7,4,5,0,3,1,2,6,6,5,3,7,1,2,4,8,0,1,0,2,6,4,8,3,7,5,4,2,5,8,7,1,6,0,3,0,8,1,3,2,6,7,5,4,7,3,6,0,5,4,2,1,8]}
-PUZZLE:
-_ _ _  3 _ _  _ 5 2
-_ _ _  _ 7 1  _ _ _
-4 2 _  _ _ _  1 _ _
-
-_ _ _  _ _ 4  _ 3 _
-_ 6 _  _ 2 _  _ _ _
-_ 1 3  7 5 _  _ 8 _
-
-5 _ _  _ _ _  _ 1 4
-_ 9 _  _ _ _  8 _ _
-8 _ _  1 _ _  _ 2 _
-
-SOLUTION:
-6 7 1  3 4 8  9 5 2
-3 5 9  2 7 1  6 4 8
-4 2 8  5 9 6  1 7 3
-
-9 8 5  6 1 4  2 3 7
-7 6 4  8 2 3  5 9 1
-2 1 3  7 5 9  4 8 6
-
-5 3 6  9 8 2  7 1 4
-1 9 2  4 3 7  8 6 5
-8 4 7  1 6 5  3 2 9
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,2,null,1,null,7,null,null,null,null,null,null,2,null,null,null,null,0,6,7,null,null,null,8,3,null,null,7,null,null,4,6,null,null,null,null,null,null,null,null,0,1,7,null,null,null,null,4,null,null,2,null,0,null,null,null,5,null,null,null,null,null,null,4,6,null,null,null,null,0,null,5,null,1,0,null,null,null,null,null,null],"solution":[0,2,3,1,5,7,4,6,8,5,4,8,2,3,6,1,7,0,6,7,1,0,4,8,3,5,2,7,0,2,4,6,5,8,3,1,8,5,6,3,0,1,7,2,4,1,3,4,7,8,2,5,0,6,3,8,5,6,1,0,2,4,7,4,6,7,8,2,3,0,1,5,2,1,0,5,7,4,6,8,3]}
-PUZZLE:
-_ 3 _  2 _ 8  _ _ _
-_ _ _  3 _ _  _ _ 1
-7 8 _  _ _ 9  4 _ _
-
-8 _ _  5 7 _  _ _ _
-_ _ _  _ 1 2  8 _ _
-_ _ 5  _ _ 3  _ 1 _
-
-_ _ 6  _ _ _  _ _ _
-5 7 _  _ _ _  1 _ 6
-_ 2 1  _ _ _  _ _ _
-
-SOLUTION:
-1 3 4  2 6 8  5 7 9
-6 5 9  3 4 7  2 8 1
-7 8 2  1 5 9  4 6 3
-
-8 1 3  5 7 6  9 4 2
-9 6 7  4 1 2  8 3 5
-2 4 5  8 9 3  6 1 7
-
-4 9 6  7 2 1  3 5 8
-5 7 8  9 3 4  1 2 6
-3 2 1  6 8 5  7 9 4
-
-RATING: 1.25
-DATA:
-{"puzzle":[6,null,null,null,null,null,null,null,null,5,0,null,4,null,null,null,6,null,null,null,null,7,null,null,4,null,null,4,7,null,5,null,null,null,null,0,null,null,null,null,null,null,null,null,3,1,null,null,null,null,8,null,5,null,null,1,null,8,null,null,null,null,null,2,4,null,null,null,null,null,null,5,null,null,null,null,1,null,3,2,null],"solution":[6,2,4,1,8,0,5,3,7,5,0,7,4,2,3,8,6,1,3,8,1,7,6,5,4,0,2,4,7,6,5,3,1,2,8,0,8,5,2,6,0,7,1,4,3,1,3,0,2,4,8,7,5,6,0,1,3,8,5,2,6,7,4,2,4,8,3,7,6,0,1,5,7,6,5,0,1,4,3,2,8]}
-PUZZLE:
-7 _ _  _ _ _  _ _ _
-6 1 _  5 _ _  _ 7 _
-_ _ _  8 _ _  5 _ _
-
-5 8 _  6 _ _  _ _ 1
-_ _ _  _ _ _  _ _ 4
-2 _ _  _ _ 9  _ 6 _
-
-_ 2 _  9 _ _  _ _ _
-3 5 _  _ _ _  _ _ 6
-_ _ _  _ 2 _  4 3 _
-
-SOLUTION:
-7 3 5  2 9 1  6 4 8
-6 1 8  5 3 4  9 7 2
-4 9 2  8 7 6  5 1 3
-
-5 8 7  6 4 2  3 9 1
-9 6 3  7 1 8  2 5 4
-2 4 1  3 5 9  8 6 7
-
-1 2 4  9 6 3  7 8 5
-3 5 9  4 8 7  1 2 6
-8 7 6  1 2 5  4 3 9
-
-RATING: 3
-DATA:
-{"puzzle":[5,8,null,null,null,null,null,null,null,null,null,null,null,3,5,null,1,null,3,null,null,4,null,null,7,null,0,null,null,null,null,null,null,null,3,null,null,null,6,1,null,null,4,null,null,null,3,null,7,null,null,null,null,8,7,null,null,null,4,null,null,null,null,2,null,null,null,0,null,1,null,7,null,null,null,2,null,null,null,0,null],"solution":[5,8,1,0,7,2,6,4,3,4,7,0,6,3,5,8,1,2,3,6,2,4,1,8,7,5,0,8,4,7,5,6,0,2,3,1,0,2,6,1,8,3,4,7,5,1,3,5,7,2,4,0,6,8,7,0,3,8,4,1,5,2,6,2,5,4,3,0,6,1,8,7,6,1,8,2,5,7,3,0,4]}
-PUZZLE:
-6 9 _  _ _ _  _ _ _
-_ _ _  _ 4 6  _ 2 _
-4 _ _  5 _ _  8 _ 1
-
-_ _ _  _ _ _  _ 4 _
-_ _ 7  2 _ _  5 _ _
-_ 4 _  8 _ _  _ _ 9
-
-8 _ _  _ 5 _  _ _ _
-3 _ _  _ 1 _  2 _ 8
-_ _ _  3 _ _  _ 1 _
-
-SOLUTION:
-6 9 2  1 8 3  7 5 4
-5 8 1  7 4 6  9 2 3
-4 7 3  5 2 9  8 6 1
-
-9 5 8  6 7 1  3 4 2
-1 3 7  2 9 4  5 8 6
-2 4 6  8 3 5  1 7 9
-
-8 1 4  9 5 2  6 3 7
-3 6 5  4 1 7  2 9 8
-7 2 9  3 6 8  4 1 5
-
-RATING: 5.75
-DATA:
-{"puzzle":[null,1,null,null,null,7,null,null,null,null,null,null,null,null,null,3,2,null,null,0,8,null,null,null,null,null,null,7,null,null,0,null,null,null,null,null,null,5,null,null,null,6,null,0,8,2,null,null,4,1,null,null,6,null,5,null,null,null,2,null,null,null,null,null,null,4,null,0,null,null,null,null,null,null,null,null,null,null,7,3,null],"solution":[6,1,2,5,3,7,8,4,0,4,7,5,1,8,0,3,2,6,3,0,8,6,4,2,1,7,5,7,4,6,0,5,8,2,1,3,1,5,3,2,7,6,4,0,8,2,8,0,4,1,3,5,6,7,5,6,7,3,2,4,0,8,1,8,3,4,7,0,1,6,5,2,0,2,1,8,6,5,7,3,4]}
-PUZZLE:
-_ 2 _  _ _ 8  _ _ _
-_ _ _  _ _ _  4 3 _
-_ 1 9  _ _ _  _ _ _
-
-8 _ _  1 _ _  _ _ _
-_ 6 _  _ _ 7  _ 1 9
-3 _ _  5 2 _  _ 7 _
-
-6 _ _  _ 3 _  _ _ _
-_ _ 5  _ 1 _  _ _ _
-_ _ _  _ _ _  8 4 _
-
-SOLUTION:
-7 2 3  6 4 8  9 5 1
-5 8 6  2 9 1  4 3 7
-4 1 9  7 5 3  2 8 6
-
-8 5 7  1 6 9  3 2 4
-2 6 4  3 8 7  5 1 9
-3 9 1  5 2 4  6 7 8
-
-6 7 8  4 3 5  1 9 2
-9 4 5  8 1 2  7 6 3
-1 3 2  9 7 6  8 4 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,5,2,null,null,null,0,7,2,null,null,null,null,3,null,4,null,null,1,null,null,7,null,null,null,0,1,null,null,8,null,5,null,2,null,4,null,8,0,1,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,1,null,null,null,5,2,null,null,6,8,null,null,null,null,null,null],"solution":[6,1,3,7,0,5,2,8,4,8,0,7,2,6,4,1,5,3,5,4,2,8,1,3,6,7,0,4,7,0,1,2,6,8,3,5,3,2,5,4,7,8,0,1,6,1,8,6,5,3,0,7,4,2,2,5,4,0,8,1,3,6,7,0,3,1,6,4,7,5,2,8,7,6,8,3,5,2,4,0,1]}
-PUZZLE:
-_ _ _  _ _ 6  3 _ _
-_ 1 8  3 _ _  _ _ 4
-_ 5 _  _ 2 _  _ 8 _
-
-_ _ 1  2 _ _  9 _ 6
-_ 3 _  5 _ 9  1 2 _
-_ _ _  6 _ _  _ _ _
-
-_ _ _  _ _ _  _ _ 8
-_ _ 2  _ _ _  6 3 _
-_ 7 9  _ _ _  _ _ _
-
-SOLUTION:
-7 2 4  8 1 6  3 9 5
-9 1 8  3 7 5  2 6 4
-6 5 3  9 2 4  7 8 1
-
-5 8 1  2 3 7  9 4 6
-4 3 6  5 8 9  1 2 7
-2 9 7  6 4 1  8 5 3
-
-3 6 5  1 9 2  4 7 8
-1 4 2  7 5 8  6 3 9
-8 7 9  4 6 3  5 1 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,4,null,3,null,null,6,null,1,null,null,0,1,null,null,4,null,null,null,3,6,null,null,7,null,null,null,null,null,7,6,null,null,null,null,null,5,null,null,2,null,null,8,7,null,null,null,null,null,null,null,null,null,3,null,5,null,null,4,null,null,null,null,2,null,null,null,8,null,null,5,null,null,null,3,null,null,6,null,null,null],"solution":[7,4,5,3,0,8,6,2,1,8,2,0,1,6,5,4,3,7,1,3,6,4,2,7,0,8,5,3,8,7,6,5,4,1,0,2,5,6,1,2,3,0,8,7,4,4,0,2,8,7,1,5,6,3,6,5,8,7,4,2,3,1,0,2,1,4,0,8,3,7,5,6,0,7,3,5,1,6,2,4,8]}
-PUZZLE:
-_ 5 _  4 _ _  7 _ 2
-_ _ 1  2 _ _  5 _ _
-_ 4 7  _ _ 8  _ _ _
-
-_ _ 8  7 _ _  _ _ _
-6 _ _  3 _ _  9 8 _
-_ _ _  _ _ _  _ _ 4
-
-_ 6 _  _ 5 _  _ _ _
-3 _ _  _ 9 _  _ 6 _
-_ _ 4  _ _ 7  _ _ _
-
-SOLUTION:
-8 5 6  4 1 9  7 3 2
-9 3 1  2 7 6  5 4 8
-2 4 7  5 3 8  1 9 6
-
-4 9 8  7 6 5  2 1 3
-6 7 2  3 4 1  9 8 5
-5 1 3  9 8 2  6 7 4
-
-7 6 9  8 5 3  4 2 1
-3 2 5  1 9 4  8 6 7
-1 8 4  6 2 7  3 5 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,null,null,null,null,3,null,null,null,null,5,4,null,null,null,8,null,0,null,null,null,null,null,7,2,null,null,1,null,6,null,null,null,null,null,2,0,null,null,null,8,null,null,3,4,null,1,null,5,null,null,null,null,3,null,6,null,8,4,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,3,null,null,1,null],"solution":[8,7,5,2,0,6,1,3,4,2,1,3,5,4,7,0,6,8,4,0,6,8,1,3,5,7,2,5,8,1,0,6,2,7,4,3,6,2,0,3,7,4,8,5,1,3,4,7,1,8,5,6,2,0,1,3,2,6,5,8,4,0,7,0,5,4,7,2,1,3,8,6,7,6,8,4,3,0,2,1,5]}
-PUZZLE:
-_ 8 _  _ _ _  _ 4 _
-_ _ _  6 5 _  _ _ 9
-_ 1 _  _ _ _  _ 8 3
-
-_ _ 2  _ 7 _  _ _ _
-_ 3 1  _ _ _  9 _ _
-4 5 _  2 _ 6  _ _ _
-
-_ 4 _  7 _ 9  5 _ _
-_ _ _  _ _ _  _ _ _
-_ 7 _  _ 4 _  _ 2 _
-
-SOLUTION:
-9 8 6  3 1 7  2 4 5
-3 2 4  6 5 8  1 7 9
-5 1 7  9 2 4  6 8 3
-
-6 9 2  1 7 3  8 5 4
-7 3 1  4 8 5  9 6 2
-4 5 8  2 9 6  7 3 1
-
-2 4 3  7 6 9  5 1 8
-1 6 5  8 3 2  4 9 7
-8 7 9  5 4 1  3 2 6
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,0,null,null,8,5,null,null,5,2,null,null,null,null,null,null,null,8,1,null,null,4,null,null,null,4,null,null,3,null,null,null,null,8,null,3,0,5,null,null,null,2,null,null,null,6,null,null,null,1,null,7,null,null,null,null,null,null,4,null,null,null,null,3,null,null,1,6,8,null,null,null,null,4,null,5,null,null],"solution":[1,6,7,4,0,3,2,8,5,4,0,5,2,6,8,7,3,1,3,2,8,1,7,5,4,0,6,2,4,6,7,3,1,8,5,0,8,1,3,0,5,4,6,7,2,5,7,0,6,8,2,3,1,4,7,8,2,5,1,6,0,4,3,0,5,4,3,2,7,1,6,8,6,3,1,8,4,0,5,2,7]}
-PUZZLE:
-_ _ _  _ 1 _  _ 9 6
-_ _ 6  3 _ _  _ _ _
-_ _ 9  2 _ _  5 _ _
-
-_ 5 _  _ 4 _  _ _ _
-9 _ 4  1 6 _  _ _ 3
-_ _ _  7 _ _  _ 2 _
-
-8 _ _  _ _ _  _ 5 _
-_ _ _  4 _ _  2 7 9
-_ _ _  _ 5 _  6 _ _
-
-SOLUTION:
-2 7 8  5 1 4  3 9 6
-5 1 6  3 7 9  8 4 2
-4 3 9  2 8 6  5 1 7
-
-3 5 7  8 4 2  9 6 1
-9 2 4  1 6 5  7 8 3
-6 8 1  7 9 3  4 2 5
-
-8 9 3  6 2 7  1 5 4
-1 6 5  4 3 8  2 7 9
-7 4 2  9 5 1  6 3 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[1,null,null,null,null,2,null,null,null,4,null,3,null,null,null,null,null,7,7,null,null,null,null,8,null,null,null,null,5,null,6,null,null,null,2,null,null,null,null,7,5,1,3,null,null,null,null,null,null,null,null,4,1,null,0,null,null,null,null,6,1,null,null,null,4,null,null,8,null,null,null,null,null,null,6,null,0,null,null,4,null],"solution":[1,8,5,3,7,2,6,0,4,4,6,3,0,1,5,2,8,7,7,2,0,4,6,8,5,3,1,8,5,1,6,3,4,7,2,0,2,0,4,7,5,1,3,6,8,6,3,7,8,2,0,4,1,5,0,7,8,2,4,6,1,5,3,5,4,2,1,8,3,0,7,6,3,1,6,5,0,7,8,4,2]}
-PUZZLE:
-2 _ _  _ _ 3  _ _ _
-5 _ 4  _ _ _  _ _ 8
-8 _ _  _ _ 9  _ _ _
-
-_ 6 _  7 _ _  _ 3 _
-_ _ _  8 6 2  4 _ _
-_ _ _  _ _ _  5 2 _
-
-1 _ _  _ _ 7  2 _ _
-_ 5 _  _ 9 _  _ _ _
-_ _ 7  _ 1 _  _ 5 _
-
-SOLUTION:
-2 9 6  4 8 3  7 1 5
-5 7 4  1 2 6  3 9 8
-8 3 1  5 7 9  6 4 2
-
-9 6 2  7 4 5  8 3 1
-3 1 5  8 6 2  4 7 9
-7 4 8  9 3 1  5 2 6
-
-1 8 9  3 5 7  2 6 4
-6 5 3  2 9 4  1 8 7
-4 2 7  6 1 8  9 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,7,null,2,null,8,null,null,0,null,null,null,null,1,null,null,null,null,null,2,null,5,null,null,1,4,null,0,null,4,null,null,null,null,null,null,1,null,null,null,8,null,5,6,null,null,null,6,null,2,null,null,null,3,6,null,null,null,null,null,0,null,null,null,null,null,6,null,null,null,5,null,null,null,2,null,null,null,null,null],"solution":[1,5,7,0,2,4,8,6,3,0,4,6,8,3,1,5,2,7,8,3,2,7,5,6,0,1,4,6,0,3,4,7,5,1,8,2,2,1,4,3,0,8,7,5,6,7,8,5,6,1,2,4,3,0,3,6,1,5,4,7,2,0,8,4,2,8,1,6,0,3,7,5,5,7,0,2,8,3,6,4,1]}
-PUZZLE:
-_ _ 8  _ 3 _  9 _ _
-1 _ _  _ _ 2  _ _ _
-_ _ 3  _ 6 _  _ 2 5
-
-_ 1 _  5 _ _  _ _ _
-_ 2 _  _ _ 9  _ 6 7
-_ _ _  7 _ 3  _ _ _
-
-4 7 _  _ _ _  _ 1 _
-_ _ _  _ 7 _  _ _ 6
-_ _ _  3 _ _  _ _ _
-
-SOLUTION:
-2 6 8  1 3 5  9 7 4
-1 5 7  9 4 2  6 3 8
-9 4 3  8 6 7  1 2 5
-
-7 1 4  5 8 6  2 9 3
-3 2 5  4 1 9  8 6 7
-8 9 6  7 2 3  5 4 1
-
-4 7 2  6 5 8  3 1 9
-5 3 9  2 7 1  4 8 6
-6 8 1  3 9 4  7 5 2
-
-RATING: 3
-DATA:
-{"puzzle":[null,null,null,4,3,null,0,null,null,null,3,2,null,0,null,null,null,null,null,null,null,null,null,null,7,null,6,null,1,null,3,null,null,8,2,null,null,2,null,null,4,null,1,null,null,3,null,6,null,null,8,null,null,null,null,8,null,null,null,5,null,null,null,1,0,null,7,null,null,null,null,null,null,null,3,null,null,null,null,1,null],"solution":[6,7,5,4,3,1,0,8,2,8,3,2,6,0,7,5,4,1,0,4,1,8,5,2,7,3,6,4,1,0,3,7,6,8,2,5,7,2,8,5,4,0,1,6,3,3,5,6,2,1,8,4,7,0,2,8,7,1,6,5,3,0,4,1,0,4,7,2,3,6,5,8,5,6,3,0,8,4,2,1,7]}
-PUZZLE:
-_ _ _  5 4 _  1 _ _
-_ 4 3  _ 1 _  _ _ _
-_ _ _  _ _ _  8 _ 7
-
-_ 2 _  4 _ _  9 3 _
-_ 3 _  _ 5 _  2 _ _
-4 _ 7  _ _ 9  _ _ _
-
-_ 9 _  _ _ 6  _ _ _
-2 1 _  8 _ _  _ _ _
-_ _ 4  _ _ _  _ 2 _
-
-SOLUTION:
-7 8 6  5 4 2  1 9 3
-9 4 3  7 1 8  6 5 2
-1 5 2  9 6 3  8 4 7
-
-5 2 1  4 8 7  9 3 6
-8 3 9  6 5 1  2 7 4
-4 6 7  3 2 9  5 8 1
-
-3 9 8  2 7 6  4 1 5
-2 1 5  8 3 4  7 6 9
-6 7 4  1 9 5  3 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,4,null,null,null,null,null,7,null,null,null,null,6,3,5,null,1,null,0,null,null,2,null,null,null,null,0,null,1,6,null,null,null,3,null,4,5,null,null,null,0,null,null,null,null,null,null,null,null,8,8,null,null,2,null,null,null,null,6,null,null,null,null,null,null,null,null,null,4,null,null,null,1,5,7,3,null],"solution":[6,2,3,5,7,4,0,8,1,0,4,7,1,8,2,5,6,3,5,8,1,3,0,6,4,2,7,2,5,8,0,3,1,6,7,4,7,3,6,4,5,8,2,1,0,1,0,4,6,2,7,3,5,8,8,7,5,2,4,3,1,0,6,3,1,2,7,6,0,8,4,5,4,6,0,8,1,5,7,3,2]}
-PUZZLE:
-_ _ _  _ _ 5  _ _ _
-_ _ 8  _ _ _  _ 7 4
-6 _ 2  _ 1 _  _ 3 _
-
-_ _ _  1 _ 2  7 _ _
-_ 4 _  5 6 _  _ _ 1
-_ _ _  _ _ _  _ _ 9
-
-9 _ _  3 _ _  _ _ 7
-_ _ _  _ _ _  _ _ _
-5 _ _  _ 2 6  8 4 _
-
-SOLUTION:
-7 3 4  6 8 5  1 9 2
-1 5 8  2 9 3  6 7 4
-6 9 2  4 1 7  5 3 8
-
-3 6 9  1 4 2  7 8 5
-8 4 7  5 6 9  3 2 1
-2 1 5  7 3 8  4 6 9
-
-9 8 6  3 5 4  2 1 7
-4 2 3  8 7 1  9 5 6
-5 7 1  9 2 6  8 4 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,6,null,2,8,null,4,null,null,3,null,null,7,null,4,null,null,5,null,null,7,null,0,null,6,1,null,null,null,6,null,null,null,null,null,4,null,null,null,null,3,null,0,null,null,null,1,null,null,null,null,null,null,null,null,7,4,null,5,6,3,null,null,2,null,null,0,null,null,5,null,null],"solution":[4,5,8,3,1,0,2,7,6,7,6,1,2,8,5,4,0,3,3,2,0,7,6,4,1,8,5,5,3,7,4,0,8,6,1,2,1,0,6,5,7,2,8,3,4,8,4,2,6,3,1,0,5,7,6,1,5,8,2,3,7,4,0,0,7,4,1,5,6,3,2,8,2,8,3,0,4,7,5,6,1]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 7 _  3 9 _  5 _ _
-4 _ _  8 _ 5  _ _ 6
-
-_ _ 8  _ 1 _  7 2 _
-_ _ 7  _ _ _  _ _ 5
-_ _ _  _ 4 _  1 _ _
-
-_ 2 _  _ _ _  _ _ _
-_ 8 5  _ 6 7  4 _ _
-3 _ _  1 _ _  6 _ _
-
-SOLUTION:
-5 6 9  4 2 1  3 8 7
-8 7 2  3 9 6  5 1 4
-4 3 1  8 7 5  2 9 6
-
-6 4 8  5 1 9  7 2 3
-2 1 7  6 8 3  9 4 5
-9 5 3  7 4 2  1 6 8
-
-7 2 6  9 3 4  8 5 1
-1 8 5  2 6 7  4 3 9
-3 9 4  1 5 8  6 7 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,5,3,null,null,null,null,2,4,null,null,null,1,null,0,null,null,null,null,null,null,null,null,null,null,null,1,7,0,6,null,null,null,8,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,7,null,null,7,6,null,null,null,null,null,3,null,null,null,null,null,null,8,null,5,null,null,8,null,6,null,5,null,4,null],"solution":[6,0,8,5,3,2,1,7,4,2,4,3,7,8,1,6,0,5,5,7,1,4,0,6,3,8,2,4,1,7,0,6,3,5,2,8,0,5,6,8,2,7,4,1,3,8,3,2,1,5,4,7,6,0,7,6,5,2,4,0,8,3,1,1,2,4,3,7,8,0,5,6,3,8,0,6,1,5,2,4,7]}
-PUZZLE:
-_ _ 9  6 4 _  _ _ _
-3 5 _  _ _ 2  _ 1 _
-_ _ _  _ _ _  _ _ _
-
-_ 2 8  1 7 _  _ _ 9
-_ _ 7  _ _ _  _ _ _
-_ _ _  _ _ _  8 _ _
-
-8 7 _  _ _ _  _ 4 _
-_ _ _  _ _ 9  _ 6 _
-_ 9 _  7 _ 6  _ 5 _
-
-SOLUTION:
-7 1 9  6 4 3  2 8 5
-3 5 4  8 9 2  7 1 6
-6 8 2  5 1 7  4 9 3
-
-5 2 8  1 7 4  6 3 9
-1 6 7  9 3 8  5 2 4
-9 4 3  2 6 5  8 7 1
-
-8 7 6  3 5 1  9 4 2
-2 3 5  4 8 9  1 6 7
-4 9 1  7 2 6  3 5 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,5,null,null,null,null,null,null,null,4,null,null,null,2,null,7,6,8,1,null,0,null,null,null,null,8,null,null,null,null,4,null,null,1,null,0,7,null,null,null,8,null,3,null,null,null,null,null,null,null,null,null,null,null,null,1,7,3,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,null,5,null,0,7,4],"solution":[7,3,2,5,4,8,1,6,0,0,5,4,3,6,1,2,8,7,6,8,1,7,0,2,4,3,5,8,2,6,0,3,4,7,5,1,1,0,7,6,2,5,8,4,3,5,4,3,8,1,7,6,0,2,4,6,0,1,7,3,5,2,8,2,7,5,4,8,0,3,1,6,3,1,8,2,5,6,0,7,4]}
-PUZZLE:
-_ _ _  6 _ _  _ _ _
-_ _ 5  _ _ _  3 _ 8
-7 9 2  _ 1 _  _ _ _
-
-9 _ _  _ _ 5  _ _ 2
-_ 1 8  _ _ _  9 _ 4
-_ _ _  _ _ _  _ _ _
-
-_ _ _  2 8 4  _ _ _
 3 _ _  _ _ _  _ _ _
-_ _ _  _ 6 _  1 8 5
+_ _ 5  _ 6 _  8 _ 2
+_ 8 6  1 2 _  _ _ _
 
-SOLUTION:
-8 4 3  6 5 9  2 7 1
-1 6 5  4 7 2  3 9 8
-7 9 2  8 1 3  5 4 6
+4 _ 7  _ 5 _  _ _ 8
+_ 9 _  _ _ 7  _ _ _
+_ _ _  3 _ _  9 _ _
 
-9 3 7  1 4 5  8 6 2
-2 1 8  7 3 6  9 5 4
-6 5 4  9 2 8  7 1 3
-
-5 7 1  2 8 4  6 3 9
-3 8 6  5 9 1  4 2 7
-4 2 9  3 6 7  1 8 5
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,6,8,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,8,3,null,0,7,null,null,1,2,null,null,null,8,3,null,null,null,null,null,0,null,null,null,null,8,null,null,null,null,null,4,5,null,2,7,null,null,null,null,3,null,8,0,null,null,null,5,null,null,null,6,null,null,null,7,null],"solution":[3,7,4,0,6,8,1,5,2,8,5,2,1,7,3,0,4,6,1,6,0,5,4,2,7,8,3,5,0,7,4,3,1,2,6,8,2,8,3,7,5,6,4,1,0,4,1,6,2,8,0,5,3,7,6,4,5,3,2,7,8,0,1,7,3,1,8,0,4,6,2,5,0,2,8,6,1,5,3,7,4]}
-PUZZLE:
-_ _ _  _ 7 9  2 _ _
+_ _ 3  5 7 _  4 _ _
 _ _ _  _ _ _  _ _ _
-_ _ _  6 _ _  _ 9 4
-
-_ 1 8  _ _ 2  3 _ _
-_ 9 4  _ _ _  _ _ 1
-_ _ _  _ 9 _  _ _ _
-
-_ 5 6  _ 3 8  _ _ _
-_ 4 _  9 1 _  _ _ 6
-_ _ _  7 _ _  _ 8 _
-
-SOLUTION:
-4 8 5  1 7 9  2 6 3
-9 6 3  2 8 4  1 5 7
-2 7 1  6 5 3  8 9 4
-
-6 1 8  5 4 2  3 7 9
-3 9 4  8 6 7  5 2 1
-5 2 7  3 9 1  6 4 8
-
-7 5 6  4 3 8  9 1 2
-8 4 2  9 1 5  7 3 6
-1 3 9  7 2 6  4 8 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,5,null,8,null,4,null,null,0,5,null,null,null,null,null,1,3,null,null,1,null,null,null,null,8,1,null,null,4,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,4,null,null,0,null,1,3,null,null,3,null,null,4,null,null,null,null,null,null,null,null,null,2,7,null,7,8,null,null,null,null,3,null,null],"solution":[2,1,6,5,3,8,0,4,7,8,0,5,2,4,7,6,3,1,3,4,7,1,0,6,5,2,8,1,3,8,4,5,2,7,0,6,6,7,0,3,8,1,4,5,2,5,2,4,6,7,0,8,1,3,0,6,3,7,2,4,1,8,5,4,5,1,8,6,3,2,7,0,7,8,2,0,1,5,3,6,4]}
-PUZZLE:
-_ _ 7  6 _ 9  _ 5 _
-_ 1 6  _ _ _  _ _ 2
-4 _ _  2 _ _  _ _ 9
-
-2 _ _  5 _ _  _ _ _
-_ _ 1  _ _ _  _ _ _
-_ _ 5  _ _ 1  _ 2 4
-
-_ _ 4  _ _ 5  _ _ _
-_ _ _  _ _ _  3 8 _
-8 9 _  _ _ _  4 _ _
-
-SOLUTION:
-3 2 7  6 4 9  1 5 8
-9 1 6  3 5 8  7 4 2
-4 5 8  2 1 7  6 3 9
-
-2 4 9  5 6 3  8 1 7
-7 8 1  4 9 2  5 6 3
-6 3 5  7 8 1  9 2 4
-
-1 7 4  8 3 5  2 9 6
-5 6 2  9 7 4  3 8 1
-8 9 3  1 2 6  4 7 5
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,0,null,null,1,6,0,null,6,null,null,null,4,null,7,null,null,null,null,null,3,null,null,null,null,null,null,null,null,4,null,null,2,8,1,null,null,6,2,0,5,null,null,null,null,1,null,null,null,null,null,null,null,null,null,5,null,null,6,4,2,null,null,null,null,null,null,null,null,null,null,null,0,1,8,null,null,null],"solution":[7,3,8,4,0,5,2,1,6,0,5,6,8,2,1,4,3,7,4,2,1,6,7,3,5,8,0,3,6,0,5,8,4,1,7,2,8,1,4,7,6,2,0,5,3,5,7,2,1,3,0,6,4,8,1,0,3,2,5,7,8,6,4,2,8,5,3,4,6,7,0,1,6,4,7,0,1,8,3,2,5]}
-PUZZLE:
-_ _ _  _ 1 _  _ 2 7
-1 _ 7  _ _ _  5 _ 8
-_ _ _  _ _ 4  _ _ _
-
-_ _ _  _ _ 5  _ _ 3
-9 2 _  _ 7 3  1 6 _
-_ _ _  2 _ _  _ _ _
-
-_ _ _  _ 6 _  _ 7 5
-3 _ _  _ _ _  _ _ _
-_ _ _  1 2 9  _ _ _
-
-SOLUTION:
-8 4 9  5 1 6  3 2 7
-1 6 7  9 3 2  5 4 8
-5 3 2  7 8 4  6 9 1
-
-4 7 1  6 9 5  2 8 3
-9 2 5  8 7 3  1 6 4
-6 8 3  2 4 1  7 5 9
-
-2 1 4  3 6 8  9 7 5
-3 9 6  4 5 7  8 1 2
-7 5 8  1 2 9  4 3 6
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,3,null,null,null,null,null,2,1,null,null,7,null,4,null,null,null,6,0,null,1,null,7,2,null,null,null,null,2,null,null,1,null,null,8,null,null,null,0,4,null,null,null,6,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,7,null,4,null,null,null,null,null,5,null,null,7,null,null,null,null,8,6,3],"solution":[7,8,4,3,2,0,6,1,5,2,1,5,8,7,6,4,3,0,3,6,0,4,1,5,7,2,8,4,0,3,2,5,7,1,8,6,8,5,1,6,0,4,3,7,2,6,2,7,1,8,3,5,0,4,1,3,8,5,6,2,0,4,7,0,4,6,7,3,8,2,5,1,5,7,2,0,4,1,8,6,3]}
-PUZZLE:
-_ _ _  4 _ _  _ _ _
-3 2 _  _ 8 _  5 _ _
-_ 7 1  _ 2 _  8 3 _
-
-_ _ _  3 _ _  2 _ _
-9 _ _  _ 1 5  _ _ _
-7 _ _  _ _ 4  _ _ _
-
-_ _ _  _ _ _  _ _ 8
-_ 5 _  _ _ _  _ 6 _
-_ 8 _  _ _ _  9 7 4
-
-SOLUTION:
-8 9 5  4 3 1  7 2 6
-3 2 6  9 8 7  5 4 1
-4 7 1  5 2 6  8 3 9
-
-5 1 4  3 6 8  2 9 7
-9 6 2  7 1 5  4 8 3
-7 3 8  2 9 4  6 1 5
-
-2 4 9  6 7 3  1 5 8
-1 5 7  8 4 9  3 6 2
-6 8 3  1 5 2  9 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,null,null,2,4,null,null,null,6,null,8,null,null,null,null,null,null,null,null,null,0,null,0,null,null,null,null,null,5,3,7,null,8,null,2,4,null,null,null,null,null,null,null,5,null,null,4,null,6,null,null,1,null,7,null,null,null,null,null,null,null,null,null,0,7,null,null,null,4,null,null,0,null,null,1],"solution":[0,6,5,8,7,3,2,1,4,2,4,1,5,0,6,3,8,7,8,3,7,4,1,2,5,6,0,4,0,2,7,6,1,8,5,3,7,5,8,3,2,4,1,0,6,3,1,6,0,5,8,7,4,2,6,8,0,1,3,7,4,2,5,1,2,3,6,4,5,0,7,8,5,7,4,2,8,0,6,3,1]}
-PUZZLE:
-_ _ _  _ 8 _  _ _ _
-3 5 _  _ _ 7  _ 9 _
-_ _ _  _ _ _  _ _ 1
-
-_ 1 _  _ _ _  _ 6 4
-8 _ 9  _ 3 5  _ _ _
-_ _ _  _ 6 _  _ 5 _
-
-7 _ _  2 _ 8  _ _ _
-_ _ _  _ _ _  1 8 _
-_ _ 5  _ _ 1  _ _ 2
-
-SOLUTION:
-1 7 6  9 8 4  3 2 5
-3 5 2  6 1 7  4 9 8
-9 4 8  5 2 3  6 7 1
-
-5 1 3  8 7 2  9 6 4
-8 6 9  4 3 5  2 1 7
-4 2 7  1 6 9  8 5 3
-
-7 9 1  2 4 8  5 3 6
-2 3 4  7 5 6  1 8 9
-6 8 5  3 9 1  7 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,3,null,null,null,null,6,null,null,4,null,2,null,null,null,null,3,null,null,null,8,null,null,null,null,null,null,null,8,null,7,null,null,null,null,7,null,null,null,0,null,4,1,null,5,1,null,null,null,6,null,null,null,0,null,null,7,null,null,2,null,1,null,null,5,null,null,null,null,null,null,4,null,null,null,8,null,7,5],"solution":[5,2,8,3,0,4,7,1,6,7,6,4,1,2,5,0,3,8,3,1,0,7,8,6,2,5,4,4,3,6,8,1,7,5,0,2,8,7,2,6,5,0,3,4,1,0,5,1,2,4,3,6,8,7,6,0,5,4,7,1,8,2,3,1,8,7,5,3,2,4,6,0,2,4,3,0,6,8,1,7,5]}
-PUZZLE:
-_ _ _  4 _ _  _ _ 7
-_ _ 5  _ 3 _  _ _ _
-4 _ _  _ 9 _  _ _ _
-
-_ _ _  9 _ 8  _ _ _
-_ 8 _  _ _ 1  _ 5 2
-_ 6 2  _ _ _  7 _ _
-
-_ 1 _  _ 8 _  _ 3 _
-2 _ _  6 _ _  _ _ _
-_ 5 _  _ _ 9  _ 8 6
-
-SOLUTION:
-6 3 9  4 1 5  8 2 7
-8 7 5  2 3 6  1 4 9
-4 2 1  8 9 7  3 6 5
-
-5 4 7  9 2 8  6 1 3
-9 8 3  7 6 1  4 5 2
-1 6 2  3 5 4  7 9 8
-
-7 1 6  5 8 2  9 3 4
-2 9 8  6 4 3  5 7 1
-3 5 4  1 7 9  2 8 6
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,null,6,null,null,1,2,null,null,4,null,null,null,null,null,null,3,7,null,null,null,null,5,null,null,null,null,null,null,null,2,null,null,8,null,null,null,null,null,4,1,null,null,null,3,7,null,null,null,null,null,null,null,null,null,3,null,1,8,0,null,null,2,null,8,5,null,6,null,null,null,null,null,null,null,null,null,4],"solution":[5,0,8,3,2,6,7,4,1,2,1,6,4,5,7,0,3,8,4,3,7,0,1,8,6,5,2,1,5,4,8,0,3,2,7,6,8,7,0,5,6,2,4,1,3,6,2,3,7,4,1,8,0,5,7,6,5,2,3,4,1,8,0,0,4,2,1,8,5,3,6,7,3,8,1,6,7,0,5,2,4]}
-PUZZLE:
-_ _ _  _ _ 7  _ _ 2
-3 _ _  5 _ _  _ _ _
-_ 4 8  _ _ _  _ 6 _
-
-_ _ _  _ _ _  3 _ _
-9 _ _  _ _ _  5 2 _
-_ _ 4  8 _ _  _ _ _
-
-_ _ _  _ 4 _  2 9 1
-_ _ 3  _ 9 6  _ 7 _
-_ _ _  _ _ _  _ _ 5
-
-SOLUTION:
-6 1 9  4 3 7  8 5 2
-3 2 7  5 6 8  1 4 9
-5 4 8  1 2 9  7 6 3
-
-2 6 5  9 1 4  3 8 7
-9 8 1  6 7 3  5 2 4
-7 3 4  8 5 2  9 1 6
-
-8 7 6  3 4 5  2 9 1
-1 5 3  2 9 6  4 7 8
-4 9 2  7 8 1  6 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,5,null,8,null,null,1,null,8,null,null,null,null,null,null,null,null,null,3,null,1,0,null,6,null,null,5,null,null,null,1,4,null,6,null,null,2,null,null,null,null,null,null,null,null,null,null,5,null,7,null,null,null,null,null,null,null,null,null,7,null,null,null,null,8,null,2,null,null,5,null,7,null,6,null,null,8,0,3],"solution":[7,0,6,5,2,8,3,4,1,1,8,5,3,6,4,0,2,7,4,2,3,7,1,0,5,6,8,0,5,7,2,3,1,4,8,6,6,3,2,4,8,7,1,5,0,8,1,4,0,5,6,7,3,2,5,6,8,1,0,3,2,7,4,3,4,0,8,7,2,6,1,5,2,7,1,6,4,5,8,0,3]}
-PUZZLE:
-_ _ 7  6 _ 9  _ _ 2
-_ 9 _  _ _ _  _ _ _
-_ _ 4  _ 2 1  _ 7 _
-
-_ 6 _  _ _ 2  5 _ 7
-_ _ 3  _ _ _  _ _ _
-_ _ _  _ 6 _  8 _ _
-
-_ _ _  _ _ _  _ 8 _
-_ _ _  9 _ 3  _ _ 6
-_ 8 _  7 _ _  9 1 4
-
-SOLUTION:
-8 1 7  6 3 9  4 5 2
-2 9 6  4 7 5  1 3 8
-5 3 4  8 2 1  6 7 9
-
-1 6 8  3 4 2  5 9 7
-7 4 3  5 9 8  2 6 1
-9 2 5  1 6 7  8 4 3
-
-6 7 9  2 1 4  3 8 5
-4 5 1  9 8 3  7 2 6
-3 8 2  7 5 6  9 1 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,6,null,null,null,5,4,null,null,null,7,null,null,null,null,2,null,4,null,null,null,null,null,0,6,4,null,null,null,null,null,null,null,null,null,null,null,5,null,2,null,null,3,1,null,6,null,3,null,null,null,null,null,null,null,8,null,null,null,4,7,7,null,null,null,null,6,0,3,null,null,2,null,4,null,null,null,null,null],"solution":[3,7,0,6,2,1,8,5,4,5,6,8,7,0,4,3,1,2,2,4,1,3,8,5,7,0,6,4,3,2,1,6,8,5,7,0,8,0,7,5,4,2,1,6,3,1,5,6,0,3,7,4,2,8,6,1,3,8,5,0,2,4,7,7,8,4,2,1,6,0,3,5,0,2,5,4,7,3,6,8,1]}
-PUZZLE:
-_ _ 1  7 _ _  _ 6 5
-_ _ _  8 _ _  _ _ 3
-_ 5 _  _ _ _  _ 1 7
-
-5 _ _  _ _ _  _ _ _
-_ _ _  6 _ 3  _ _ 4
-2 _ 7  _ 4 _  _ _ _
-
-_ _ _  9 _ _  _ 5 8
-8 _ _  _ _ 7  1 4 _
-_ 3 _  5 _ _  _ _ _
-
-SOLUTION:
-4 8 1  7 3 2  9 6 5
-6 7 9  8 1 5  4 2 3
-3 5 2  4 9 6  8 1 7
-
-5 4 3  2 7 9  6 8 1
-9 1 8  6 5 3  2 7 4
-2 6 7  1 4 8  5 3 9
-
-7 2 4  9 6 1  3 5 8
-8 9 5  3 2 7  1 4 6
-1 3 6  5 8 4  7 9 2
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,0,null,5,null,7,null,null,null,4,6,null,null,null,null,8,null,null,null,2,3,null,null,null,null,null,null,null,null,8,null,5,null,0,null,null,null,8,7,4,null,null,null,3,null,null,null,null,3,null,null,null,null,null,null,7,null,null,null,4,null,null,8,null,null,null,null,1,6,5,null,1,null,4,null,null,null,null,null,null],"solution":[3,1,0,6,5,8,7,2,4,5,4,6,2,1,7,3,8,0,7,8,2,3,0,4,1,6,5,4,3,1,8,6,5,2,0,7,6,2,8,7,4,0,5,1,3,0,7,5,1,3,2,8,4,6,2,5,7,0,8,6,4,3,1,8,0,3,4,7,1,6,5,2,1,6,4,5,2,3,0,7,8]}
-PUZZLE:
-_ _ 1  _ 6 _  8 _ _
-_ 5 7  _ _ _  _ 9 _
-_ _ 3  4 _ _  _ _ _
-
-_ _ _  9 _ 6  _ 1 _
-_ _ 9  8 5 _  _ _ 4
-_ _ _  _ 4 _  _ _ _
-
-_ _ 8  _ _ _  5 _ _
-9 _ _  _ _ 2  7 6 _
-2 _ 5  _ _ _  _ _ _
-
-SOLUTION:
-4 2 1  7 6 9  8 3 5
-6 5 7  3 2 8  4 9 1
-8 9 3  4 1 5  2 7 6
-
-5 4 2  9 7 6  3 1 8
-7 3 9  8 5 1  6 2 4
-1 8 6  2 4 3  9 5 7
-
-3 6 8  1 9 7  5 4 2
-9 1 4  5 8 2  7 6 3
-2 7 5  6 3 4  1 8 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,3,8,null,6,null,null,2,null,1,null,null,null,null,null,null,5,null,null,4,null,null,null,null,0,null,null,null,null,4,null,7,null,null,null,null,7,6,null,null,null,null,null,null,null,null,null,null,3,null,null,null,8,6,null,null,null,null,null,3,null,null,null,null,null,1,5,null,null,null,null,null,null,7,null,null,4,null,1,3,8],"solution":[0,3,8,1,6,5,4,2,7,1,2,6,4,0,7,8,5,3,5,4,7,2,3,8,0,6,1,8,5,4,6,7,0,3,1,2,7,6,3,8,2,1,5,4,0,2,1,0,3,5,4,7,8,6,4,8,2,7,1,3,6,0,5,3,0,1,5,8,6,2,7,4,6,7,5,0,4,2,1,3,8]}
-PUZZLE:
-_ 4 9  _ 7 _  _ 3 _
-2 _ _  _ _ _  _ 6 _
-_ 5 _  _ _ _  1 _ _
-
-_ _ 5  _ 8 _  _ _ _
-8 7 _  _ _ _  _ _ _
 _ _ _  4 _ _  _ 9 7
 
-_ _ _  _ _ 4  _ _ _
-_ _ 2  6 _ _  _ _ _
-_ 8 _  _ 5 _  2 4 9
-
 SOLUTION:
-1 4 9  2 7 6  5 3 8
-2 3 7  5 1 8  9 6 4
-6 5 8  3 4 9  1 7 2
+3 2 9  8 4 5  7 1 6
+1 4 5  7 6 9  8 3 2
+7 8 6  1 2 3  5 4 9
 
-9 6 5  7 8 1  4 2 3
-8 7 4  9 3 2  6 5 1
-3 2 1  4 6 5  8 9 7
+4 3 7  9 5 6  1 2 8
+5 9 8  2 1 7  3 6 4
+6 1 2  3 8 4  9 7 5
 
-5 9 3  8 2 4  7 1 6
-4 1 2  6 9 7  3 8 5
-7 8 6  1 5 3  2 4 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[7,null,8,2,null,null,null,null,null,null,null,null,3,null,null,null,null,2,null,null,null,null,4,6,0,8,null,null,7,null,4,null,2,null,null,6,null,null,null,null,null,0,null,5,null,4,5,null,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,5,1,3,null,null,null,7,null,null,null,null,null,null,3,null,null,6,4],"solution":[7,6,8,2,0,5,3,4,1,0,4,5,3,1,8,6,7,2,2,3,1,7,4,6,0,8,5,1,7,0,4,5,2,8,3,6,3,8,2,1,6,0,4,5,7,4,5,6,8,7,3,1,2,0,6,2,4,0,8,7,5,1,3,5,1,3,6,2,4,7,0,8,8,0,7,5,3,1,2,6,4]}
-PUZZLE:
-8 _ 9  3 _ _  _ _ _
-_ _ _  4 _ _  _ _ 3
-_ _ _  _ 5 7  1 9 _
-
-_ 8 _  5 _ 3  _ _ 7
-_ _ _  _ _ 1  _ 6 _
-5 6 _  _ _ _  _ _ _
-
-_ 3 _  _ _ _  _ _ _
-6 2 4  _ _ _  8 _ _
-_ _ _  _ 4 _  _ 7 5
-
-SOLUTION:
-8 7 9  3 1 6  4 5 2
-1 5 6  4 2 9  7 8 3
-3 4 2  8 5 7  1 9 6
-
-2 8 1  5 6 3  9 4 7
-4 9 3  2 7 1  5 6 8
-5 6 7  9 8 4  2 3 1
-
-7 3 5  1 9 8  6 2 4
-6 2 4  7 3 5  8 1 9
-9 1 8  6 4 2  3 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[7,null,null,null,0,null,8,null,null,null,null,null,null,1,null,null,null,null,2,null,5,null,null,null,null,6,3,null,8,null,null,null,1,null,null,null,5,4,null,null,null,7,1,3,null,3,null,null,null,null,0,null,null,8,null,null,null,null,6,5,null,8,2,null,null,null,null,null,2,null,null,0,null,null,2,null,8,null,6,null,null],"solution":[7,3,4,5,0,6,8,2,1,8,0,6,2,1,3,5,7,4,2,1,5,7,4,8,0,6,3,6,8,7,4,3,1,2,0,5,5,4,0,8,2,7,1,3,6,3,2,1,6,5,0,7,4,8,1,7,3,0,6,5,4,8,2,4,6,8,1,7,2,3,5,0,0,5,2,3,8,4,6,1,7]}
-PUZZLE:
-8 _ _  _ 1 _  9 _ _
-_ _ _  _ 2 _  _ _ _
-3 _ 6  _ _ _  _ 7 4
-
-_ 9 _  _ _ 2  _ _ _
-6 5 _  _ _ 8  2 4 _
-4 _ _  _ _ 1  _ _ 9
-
-_ _ _  _ 7 6  _ 9 3
-_ _ _  _ _ 3  _ _ 1
-_ _ 3  _ 9 _  7 _ _
-
-SOLUTION:
-8 4 5  6 1 7  9 3 2
-9 1 7  3 2 4  6 8 5
-3 2 6  8 5 9  1 7 4
-
-7 9 8  5 4 2  3 1 6
-6 5 1  9 3 8  2 4 7
-4 3 2  7 6 1  8 5 9
-
-2 8 4  1 7 6  5 9 3
-5 7 9  2 8 3  4 6 1
-1 6 3  4 9 5  7 2 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,6,2,null,null,null,null,null,2,null,null,7,null,0,8,null,null,null,null,1,null,null,null,null,5,6,0,null,null,3,null,2,7,null,null,null,null,null,0,null,null,null,null,8,null,5,null,null,8,null,null,1,null,null,null,0,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,3,null,8,null,null,0,null,null],"solution":[3,8,6,2,1,5,4,0,7,2,4,5,7,6,0,8,3,1,7,0,1,4,3,8,2,5,6,0,1,8,3,5,2,7,6,4,6,7,3,0,4,1,5,2,8,4,5,2,6,8,7,3,1,0,8,6,0,5,7,3,1,4,2,5,2,7,1,0,4,6,8,3,1,3,4,8,2,6,0,7,5]}
-PUZZLE:
-_ _ 7  3 _ _  _ _ _
-3 _ _  8 _ 1  9 _ _
-_ _ 2  _ _ _  _ 6 7
-
-1 _ _  4 _ 3  8 _ _
-_ _ _  1 _ _  _ _ 9
-_ 6 _  _ 9 _  _ 2 _
-
-_ _ 1  _ _ _  _ 5 _
-_ _ _  _ _ _  _ _ _
-_ 4 _  9 _ _  1 _ _
-
-SOLUTION:
-4 9 7  3 2 6  5 1 8
-3 5 6  8 7 1  9 4 2
-8 1 2  5 4 9  3 6 7
-
-1 2 9  4 6 3  8 7 5
-7 8 4  1 5 2  6 3 9
-5 6 3  7 9 8  4 2 1
-
-9 7 1  6 8 4  2 5 3
-6 3 8  2 1 5  7 9 4
-2 4 5  9 3 7  1 8 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,0,null,null,null,null,null,3,null,null,null,null,7,null,null,null,1,null,8,null,null,null,null,4,null,null,null,0,6,null,null,null,3,8,null,4,null,null,1,null,null,5,null,null,null,4,null,null,null,null,8,null,null,1,7,null,null,null,6,null,null,null,2,null,null,null,2,null,null,null,6,0,null,4,null,null,null,null,null,null,null],"solution":[1,0,7,5,8,2,4,3,6,5,2,4,7,3,6,0,1,8,8,3,6,0,1,4,7,2,5,0,6,5,1,2,3,8,7,4,2,8,1,4,7,5,6,0,3,4,7,3,6,0,8,2,5,1,7,5,0,8,6,1,3,4,2,3,1,8,2,4,7,5,6,0,6,4,2,3,5,0,1,8,7]}
-PUZZLE:
-_ 1 _  _ _ _  _ 4 _
-_ _ _  8 _ _  _ 2 _
-9 _ _  _ _ 5  _ _ _
-
-1 7 _  _ _ 4  9 _ 5
-_ _ 2  _ _ 6  _ _ _
-5 _ _  _ _ 9  _ _ 2
-
-8 _ _  _ 7 _  _ _ 3
-_ _ _  3 _ _  _ 7 1
-_ 5 _  _ _ _  _ _ _
-
-SOLUTION:
-2 1 8  6 9 3  5 4 7
-6 3 5  8 4 7  1 2 9
-9 4 7  1 2 5  8 3 6
-
-1 7 6  2 3 4  9 8 5
-3 9 2  5 8 6  7 1 4
-5 8 4  7 1 9  3 6 2
-
-8 6 1  9 7 2  4 5 3
-4 2 9  3 5 8  6 7 1
-7 5 3  4 6 1  2 9 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,null,6,null,null,3,null,5,null,null,null,null,0,null,null,2,null,8,null,null,null,null,null,null,null,null,0,1,3,null,null,null,1,null,null,null,null,null,null,null,6,null,null,null,null,2,null,5,null,null,null,null,null,null,null,4,null,null,null,null,7,null,6,5,null,3,null,null,null,null,null,2,null,7,0,null,8],"solution":[7,1,8,3,0,2,6,5,4,3,6,5,4,7,1,8,0,2,0,2,4,8,6,5,1,7,3,2,5,6,0,1,3,4,8,7,1,0,7,5,4,8,2,3,6,4,8,3,7,2,6,5,1,0,6,3,0,1,8,4,7,2,5,8,7,2,6,5,0,3,4,1,5,4,1,2,3,7,0,6,8]}
-PUZZLE:
-_ _ 9  _ _ _  7 _ _
-4 _ 6  _ _ _  _ 1 _
-_ 3 _  9 _ _  _ _ _
-
-_ _ _  1 2 4  _ _ _
-2 _ _  _ _ _  _ _ 7
-_ _ _  _ 3 _  6 _ _
-
-_ _ _  _ _ 5  _ _ _
-_ 8 _  7 6 _  4 _ _
-_ _ _  3 _ 8  1 _ 9
-
-SOLUTION:
-8 2 9  4 1 3  7 6 5
-4 7 6  5 8 2  9 1 3
-1 3 5  9 7 6  2 8 4
-
-3 6 7  1 2 4  5 9 8
-2 1 8  6 5 9  3 4 7
-5 9 4  8 3 7  6 2 1
-
-7 4 1  2 9 5  8 3 6
-9 8 3  7 6 1  4 5 2
-6 5 2  3 4 8  1 7 9
-
-RATING: 2.5
-DATA:
-{"puzzle":[7,null,1,null,8,0,null,null,null,null,null,null,null,null,null,null,7,null,null,null,0,null,1,null,null,8,null,null,6,null,null,3,null,8,null,2,null,null,2,null,null,null,null,1,6,null,null,null,5,null,6,null,null,null,null,null,3,null,null,null,5,null,null,null,5,null,null,7,null,1,null,null,null,2,null,4,null,null,null,null,null],"solution":[7,3,1,2,8,0,6,4,5,2,8,5,3,6,4,0,7,1,6,4,0,7,1,5,2,8,3,4,6,7,0,3,1,8,5,2,5,0,2,8,4,7,3,1,6,3,1,8,5,2,6,4,0,7,8,7,3,1,0,2,5,6,4,0,5,4,6,7,3,1,2,8,1,2,6,4,5,8,7,3,0]}
-PUZZLE:
-8 _ 2  _ 9 1  _ _ _
-_ _ _  _ _ _  _ 8 _
-_ _ 1  _ 2 _  _ 9 _
-
-_ 7 _  _ 4 _  9 _ 3
-_ _ 3  _ _ _  _ 2 7
-_ _ _  6 _ 7  _ _ _
-
-_ _ 4  _ _ _  6 _ _
-_ 6 _  _ 8 _  2 _ _
-_ 3 _  5 _ _  _ _ _
-
-SOLUTION:
-8 4 2  3 9 1  7 5 6
-3 9 6  4 7 5  1 8 2
-7 5 1  8 2 6  3 9 4
-
-5 7 8  1 4 2  9 6 3
-6 1 3  9 5 8  4 2 7
-4 2 9  6 3 7  5 1 8
-
-9 8 4  2 1 3  6 7 5
-1 6 5  7 8 4  2 3 9
-2 3 7  5 6 9  8 4 1
+9 6 3  5 7 2  4 8 1
+8 7 4  6 9 1  2 5 3
+2 5 1  4 3 8  6 9 7
 
 RATING: 2
 DATA:
-{"puzzle":[3,null,null,7,null,null,null,null,null,null,null,8,null,null,null,1,null,null,null,null,5,4,null,null,null,null,null,null,2,0,5,null,8,null,null,3,null,null,null,null,4,null,6,null,null,null,null,null,null,null,null,2,5,1,null,null,4,3,null,null,null,null,5,7,8,null,1,null,null,null,null,null,0,null,null,null,null,null,null,4,null],"solution":[3,1,2,7,8,0,5,6,4,4,7,8,6,3,5,1,0,2,6,0,5,4,1,2,7,3,8,1,2,0,5,6,8,4,7,3,5,3,7,2,4,1,6,8,0,8,4,6,0,7,3,2,5,1,2,6,4,3,0,7,8,1,5,7,8,3,1,5,4,0,2,6,0,5,1,8,2,6,3,4,7]}
+{"puzzle":[null,null,5,null,4,0,null,null,null,null,7,null,null,null,null,null,null,null,null,1,null,null,null,8,null,null,0,null,null,3,6,2,null,null,null,1,null,null,null,null,null,null,7,null,null,null,6,null,1,null,7,3,5,null,null,null,null,8,6,5,null,3,null,3,null,2,null,null,null,null,7,null,null,null,null,null,3,null,0,null,null],"solution":[6,3,5,2,4,0,1,8,7,0,7,8,5,1,6,4,2,3,2,1,4,3,7,8,5,6,0,7,5,3,6,2,4,8,0,1,8,2,1,0,5,3,7,4,6,4,6,0,1,8,7,3,5,2,1,0,7,8,6,5,2,3,4,3,8,2,4,0,1,6,7,5,5,4,6,7,3,2,0,1,8]}
 PUZZLE:
-4 _ _  8 _ _  _ _ _
-_ _ 9  _ _ _  2 _ _
-_ _ 6  5 _ _  _ _ _
-
-_ 3 1  6 _ 9  _ _ 4
-_ _ _  _ 5 _  7 _ _
-_ _ _  _ _ _  3 6 2
-
-_ _ 5  4 _ _  _ _ 6
-8 9 _  2 _ _  _ _ _
-1 _ _  _ _ _  _ 5 _
-
-SOLUTION:
-4 2 3  8 9 1  6 7 5
-5 8 9  7 4 6  2 1 3
-7 1 6  5 2 3  8 4 9
-
-2 3 1  6 7 9  5 8 4
-6 4 8  3 5 2  7 9 1
-9 5 7  1 8 4  3 6 2
-
-3 7 5  4 1 8  9 2 6
-8 9 4  2 6 5  1 3 7
-1 6 2  9 3 7  4 5 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,4,null,null,null,null,8,null,null,null,null,null,1,null,4,null,null,null,null,null,0,5,1,null,null,null,6,null,1,null,8,null,0,null,null,7,null,null,null,null,8,null,null,8,null,null,null,null,3,4,null,1,2,1,null,7,null,null,null,null,null,6,null,null,null,null,null,null,1,null,null,0,4,6,null,null,null,null,null],"solution":[1,5,0,4,6,7,3,2,8,7,8,6,3,2,1,5,4,0,3,4,2,8,0,5,1,7,6,4,6,3,1,5,8,2,0,7,0,7,1,2,4,6,8,3,5,8,2,5,0,7,3,4,6,1,2,1,8,7,3,0,6,5,4,6,3,7,5,8,4,0,1,2,5,0,4,6,1,2,7,8,3]}
-PUZZLE:
-_ _ 1  5 _ _  _ _ 9
-_ _ _  _ _ 2  _ 5 _
-_ _ _  _ 1 6  2 _ _
-
-_ 7 _  2 _ 9  _ 1 _
-_ 8 _  _ _ _  9 _ _
-9 _ _  _ _ 4  5 _ 2
-
-3 2 _  8 _ _  _ _ _
-7 _ _  _ _ _  _ 2 _
-_ 1 5  7 _ _  _ _ _
-
-SOLUTION:
-2 6 1  5 7 8  4 3 9
-8 9 7  4 3 2  6 5 1
-4 5 3  9 1 6  2 8 7
-
-5 7 4  2 6 9  3 1 8
-1 8 2  3 5 7  9 4 6
-9 3 6  1 8 4  5 7 2
-
-3 2 9  8 4 1  7 6 5
-7 4 8  6 9 5  1 2 3
-6 1 5  7 2 3  8 9 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,0,null,null,null,6,1,4,null,null,null,null,6,null,null,null,5,null,7,8,2,null,null,null,null,null,null,null,4,null,null,null,null,6,null,null,3,null,null,null,null,null,0,null,8,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,8,null,5,0,null,6,null,null,7,null,3,8,null,4],"solution":[2,3,8,0,4,5,7,6,1,4,0,1,3,7,6,2,5,8,5,6,7,8,2,1,0,4,3,0,5,2,4,1,7,3,8,6,7,4,3,5,6,8,1,2,0,1,8,6,2,3,0,4,7,5,8,7,5,1,0,4,6,3,2,3,1,4,6,8,2,5,0,7,6,2,0,7,5,3,8,1,4]}
-PUZZLE:
-_ _ _  1 _ _  _ 7 2
-5 _ _  _ _ 7  _ _ _
-6 _ 8  9 3 _  _ _ _
-
-_ _ _  5 _ _  _ _ 7
-_ _ 4  _ _ _  _ _ 1
-_ 9 _  _ _ _  _ _ _
-
-_ _ 6  _ _ _  _ _ _
-_ _ _  _ 9 _  6 1 _
-7 _ _  8 _ 4  9 _ 5
-
-SOLUTION:
-3 4 9  1 5 6  8 7 2
-5 1 2  4 8 7  3 6 9
-6 7 8  9 3 2  1 5 4
-
-1 6 3  5 2 8  4 9 7
-8 5 4  6 7 9  2 3 1
-2 9 7  3 4 1  5 8 6
-
-9 8 6  2 1 5  7 4 3
-4 2 5  7 9 3  6 1 8
-7 3 1  8 6 4  9 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,6,0,null,null,8,null,null,null,null,null,null,null,null,3,null,7,null,null,null,null,8,null,2,5,null,1,3,null,null,null,null,null,3,null,0,null,null,null,null,null,null,null,null,7,null,2,null,null,6,null,null,null,null,null,8,null,4,null,null,null,4,null,8,null,2,null,null,null,2,6,null,null,0,7,null],"solution":[1,7,4,3,8,5,6,0,2,2,8,6,1,4,0,3,5,7,5,3,0,7,6,2,4,1,8,4,2,5,8,1,3,7,6,0,7,6,3,2,0,4,5,8,1,0,1,8,5,7,6,2,4,3,6,5,1,0,2,7,8,3,4,3,0,7,4,5,8,1,2,6,8,4,2,6,3,1,0,7,5]}
-PUZZLE:
-_ _ _  _ _ _  7 1 _
-_ 9 _  _ _ _  _ _ _
-_ 4 _  8 _ _  _ _ 9
-
-_ 3 6  _ 2 4  _ _ _
-_ _ 4  _ 1 _  _ _ _
-_ _ _  _ 8 _  3 _ _
-
-7 _ _  _ _ _  9 _ 5
-_ _ _  5 _ 9  _ 3 _
-_ _ 3  7 _ _  1 8 _
-
-SOLUTION:
-2 8 5  4 9 6  7 1 3
-3 9 7  2 5 1  4 6 8
-6 4 1  8 7 3  5 2 9
-
-5 3 6  9 2 4  8 7 1
-8 7 4  3 1 5  6 9 2
-1 2 9  6 8 7  3 5 4
-
-7 6 2  1 3 8  9 4 5
-4 1 8  5 6 9  2 3 7
-9 5 3  7 4 2  1 8 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,7,null,5,null,null,null,3,null,null,2,null,null,null,null,null,null,null,5,null,4,null,7,null,1,8,4,3,null,6,null,2,null,null,null,7,null,null,null,null,null,null,null,null,null,0,null,null,4,null,null,null,2,null,4,null,null,null,0,null,null,null,null,null,null,null,null,4,8,7,null,null,null,null,null,8,null,null,2],"solution":[4,1,8,7,3,5,6,2,0,3,0,7,2,1,6,5,4,8,6,2,5,8,4,0,7,3,1,8,4,3,1,6,7,2,0,5,5,7,2,0,8,3,1,6,4,1,6,0,5,2,4,8,7,3,2,8,4,3,7,1,0,5,6,0,3,1,6,5,2,4,8,7,7,5,6,4,0,8,3,1,2]}
-PUZZLE:
-_ _ _  8 _ 6  _ _ _
-4 _ _  3 _ _  _ _ _
-_ _ 6  _ 5 _  8 _ 2
-
-9 5 4  _ 7 _  3 _ _
+_ _ 6  _ 5 1  _ _ _
 _ 8 _  _ _ _  _ _ _
-_ _ 1  _ _ 5  _ _ _
+_ 2 _  _ _ 9  _ _ 1
 
-3 _ 5  _ _ _  1 _ _
-_ _ _  _ _ _  5 9 8
-_ _ _  _ _ 9  _ _ 3
+_ _ 4  7 3 _  _ _ 2
+_ _ _  _ _ _  8 _ _
+_ 7 _  2 _ 8  4 6 _
+
+_ _ _  9 7 6  _ 4 _
+4 _ 3  _ _ _  _ 8 _
+_ _ _  _ 4 _  1 _ _
 
 SOLUTION:
-5 2 9  8 4 6  7 3 1
-4 1 8  3 2 7  6 5 9
-7 3 6  9 5 1  8 4 2
+7 4 6  3 5 1  2 9 8
+1 8 9  6 2 7  5 3 4
+3 2 5  4 8 9  6 7 1
 
-9 5 4  2 7 8  3 1 6
-6 8 3  1 9 4  2 7 5
-2 7 1  6 3 5  9 8 4
+8 6 4  7 3 5  9 1 2
+9 3 2  1 6 4  8 5 7
+5 7 1  2 9 8  4 6 3
 
-3 9 5  4 8 2  1 6 7
-1 4 2  7 6 3  5 9 8
-8 6 7  5 1 9  4 2 3
+2 1 8  9 7 6  3 4 5
+4 9 3  5 1 2  7 8 6
+6 5 7  8 4 3  1 2 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,2,6,null,null,null,null,8,null,null,null,5,3,null,null,null,null,null,0,null,null,null,null,null,null,7,null,3,0,2,null,null,null,null,5,null,null,null,null,null,null,null,0,null,null,null,null,7,null,8,null,2,null,null,null,null,null,8,null,null,null,null,3,null,null,null,null,1,6,null,null,7,null,5,8,null,0,null],"solution":[3,1,0,7,2,6,4,5,8,7,8,6,4,1,5,3,2,0,5,2,4,0,8,3,7,6,1,6,7,8,3,0,2,1,4,5,4,5,2,8,6,1,0,3,7,0,3,1,5,4,7,6,8,2,2,6,5,1,3,0,8,7,4,8,0,3,2,7,4,5,1,6,1,4,7,6,5,8,2,0,3]}
+PUZZLE:
+_ _ _  _ 3 7  _ _ _
+_ 9 _  _ _ 6  4 _ _
+_ _ _  1 _ _  _ _ _
+
+_ 8 _  4 1 3  _ _ _
+_ 6 _  _ _ _  _ _ _
+1 _ _  _ _ 8  _ 9 _
+
+3 _ _  _ _ _  9 _ _
+_ _ 4  _ _ _  _ 2 7
+_ _ 8  _ 6 9  _ 1 _
+
+SOLUTION:
+4 2 1  8 3 7  5 6 9
+8 9 7  5 2 6  4 3 1
+6 3 5  1 9 4  8 7 2
+
+7 8 9  4 1 3  2 5 6
+5 6 3  9 7 2  1 4 8
+1 4 2  6 5 8  7 9 3
+
+3 7 6  2 4 1  9 8 5
+9 1 4  3 8 5  6 2 7
+2 5 8  7 6 9  3 1 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,7,null,null,null,1,null,null,null,null,null,8,null,2,6,null,5,null,null,null,null,3,null,null,5,null,null,null,4,6,8,null,null,null,null,null,null,0,null,null,8,null,null,null,1,7,null,null,null,3,2,null,null,6,null,null,0,null,null,null,null,null,null,0,2,7,4,null,null,null,null,null,1,6,null,null],"solution":[5,4,8,1,0,3,7,2,6,7,1,3,6,2,4,5,8,0,2,6,0,5,7,8,1,4,3,1,7,5,0,3,2,4,6,8,4,3,2,8,5,6,0,1,7,8,0,6,4,1,7,3,5,2,3,2,4,7,6,5,8,0,1,6,5,1,3,8,0,2,7,4,0,8,7,2,4,1,6,3,5]}
+PUZZLE:
+_ _ _  _ _ _  8 _ _
+_ 2 _  _ _ _  _ 9 _
+3 7 _  6 _ _  _ _ 4
+
+_ _ 6  _ _ _  5 7 9
+_ _ _  _ _ _  1 _ _
+9 _ _  _ 2 8  _ _ _
+
+4 3 _  _ 7 _  _ 1 _
+_ _ _  _ _ 1  3 8 5
+_ _ _  _ _ 2  7 _ _
+
+SOLUTION:
+6 5 9  2 1 4  8 3 7
+8 2 4  7 3 5  6 9 1
+3 7 1  6 8 9  2 5 4
+
+2 8 6  1 4 3  5 7 9
+5 4 3  9 6 7  1 2 8
+9 1 7  5 2 8  4 6 3
+
+4 3 5  8 7 6  9 1 2
+7 6 2  4 9 1  3 8 5
+1 9 8  3 5 2  7 4 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,8,1,null,null,null,null,null,null,5,null,null,8,null,3,7,null,2,null,4,null,null,6,0,3,null,null,null,null,null,2,null,null,null,5,null,8,6,null,null,null,null,null,2,0,null,null,null,4,3,5,null,null,7,null,null,null,null,1,null,8,null,null,null,5,null,null,null,null,null,null,null,null,2],"solution":[6,3,4,2,5,0,1,7,8,1,7,2,8,6,4,3,5,0,0,8,5,3,7,1,2,6,4,4,1,6,0,3,8,5,2,7,3,2,0,7,1,5,4,8,6,7,5,8,6,4,2,0,1,3,8,4,3,5,2,6,7,0,1,2,0,1,4,8,7,6,3,5,5,6,7,1,0,3,8,4,2]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 9
+2 _ _  _ _ _  _ 6 _
+_ 9 _  4 8 _  3 _ 5
+
+_ _ 7  1 4 _  _ _ _
+_ 3 _  _ _ 6  _ 9 7
+_ _ _  _ _ 3  1 _ _
+
+_ 5 4  6 _ _  8 _ _
+_ _ 2  _ 9 _  _ _ 6
+_ _ _  _ _ _  _ _ 3
+
+SOLUTION:
+7 4 5  3 6 1  2 8 9
+2 8 3  9 7 5  4 6 1
+1 9 6  4 8 2  3 7 5
+
+5 2 7  1 4 9  6 3 8
+4 3 1  8 2 6  5 9 7
+8 6 9  7 5 3  1 2 4
+
+9 5 4  6 3 7  8 1 2
+3 1 2  5 9 8  7 4 6
+6 7 8  2 1 4  9 5 3
 
 RATING: 3.75
 DATA:
-{"puzzle":[5,null,null,4,null,null,null,null,null,null,null,null,null,7,null,1,null,null,null,8,null,null,5,null,null,null,3,null,0,7,null,null,null,8,6,null,null,2,null,null,null,1,null,7,null,null,1,null,null,null,6,null,null,4,null,null,null,8,null,null,null,3,null,null,null,4,null,3,2,0,null,null,null,null,null,null,null,null,null,null,8],"solution":[5,7,2,4,1,3,6,8,0,0,4,3,6,7,8,1,5,2,1,8,6,2,5,0,7,4,3,4,0,7,3,2,5,8,6,1,6,2,8,0,4,1,3,7,5,3,1,5,7,8,6,2,0,4,2,5,1,8,0,7,4,3,6,8,6,4,5,3,2,0,1,7,7,3,0,1,6,4,5,2,8]}
+{"puzzle":[null,null,null,null,0,null,3,null,7,0,null,6,null,null,7,null,null,4,null,null,null,null,6,null,null,null,null,null,null,5,null,null,null,null,7,null,6,null,1,2,null,3,5,0,null,null,2,null,null,null,6,null,null,null,null,null,null,3,null,null,4,null,null,null,null,null,null,5,null,null,8,0,8,null,null,null,null,null,null,null,null],"solution":[2,1,8,4,0,5,3,6,7,0,5,6,1,3,7,8,2,4,4,7,3,8,6,2,0,5,1,3,8,5,0,4,1,6,7,2,6,4,1,2,7,3,5,0,8,7,2,0,5,8,6,1,4,3,5,0,7,3,2,8,4,1,6,1,3,2,6,5,4,7,8,0,8,6,4,7,1,0,2,3,5]}
 PUZZLE:
-6 _ _  5 _ _  _ _ _
-_ _ _  _ 8 _  2 _ _
-_ 9 _  _ 6 _  _ _ 4
+_ _ _  _ 1 _  4 _ 8
+1 _ 7  _ _ 8  _ _ 5
+_ _ _  _ 7 _  _ _ _
 
-_ 1 8  _ _ _  9 7 _
-_ 3 _  _ _ 2  _ 8 _
-_ 2 _  _ _ 7  _ _ 5
+_ _ 6  _ _ _  _ 8 _
+7 _ 2  3 _ 4  6 1 _
+_ 3 _  _ _ 7  _ _ _
 
-_ _ _  9 _ _  _ 4 _
-_ _ 5  _ 4 3  1 _ _
+_ _ _  4 _ _  5 _ _
+_ _ _  _ 6 _  _ 9 1
+9 _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 2 9  5 1 6  4 7 8
+1 6 7  2 4 8  9 3 5
+5 8 4  9 7 3  1 6 2
+
+4 9 6  1 5 2  7 8 3
+7 5 2  3 8 4  6 1 9
+8 3 1  6 9 7  2 5 4
+
+6 1 8  4 3 9  5 2 7
+2 4 3  7 6 5  8 9 1
+9 7 5  8 2 1  3 4 6
+
+RATING: 0
+DATA:
+{"puzzle":[0,null,8,null,null,null,4,1,null,null,null,2,null,null,null,null,null,7,null,null,null,null,null,null,null,null,5,null,4,null,7,null,null,1,null,3,5,3,0,null,null,6,null,null,null,7,null,null,null,8,null,null,null,null,1,null,null,8,null,null,null,null,6,null,null,null,1,null,7,null,3,null,null,null,null,5,null,2,7,4,null],"solution":[0,6,8,3,7,5,4,1,2,3,5,2,6,4,1,0,8,7,4,1,7,0,2,8,3,6,5,8,4,6,7,5,0,1,2,3,5,3,0,2,1,6,8,7,4,7,2,1,4,8,3,6,5,0,1,7,5,8,3,4,2,0,6,2,0,4,1,6,7,5,3,8,6,8,3,5,0,2,7,4,1]}
+PUZZLE:
+1 _ 9  _ _ _  5 2 _
+_ _ 3  _ _ _  _ _ 8
+_ _ _  _ _ _  _ _ 6
+
+_ 5 _  8 _ _  2 _ 4
+6 4 1  _ _ 7  _ _ _
+8 _ _  _ 9 _  _ _ _
+
+2 _ _  9 _ _  _ _ 7
+_ _ _  2 _ 8  _ 4 _
+_ _ _  6 _ 3  8 5 _
+
+SOLUTION:
+1 7 9  4 8 6  5 2 3
+4 6 3  7 5 2  1 9 8
+5 2 8  1 3 9  4 7 6
+
+9 5 7  8 6 1  2 3 4
+6 4 1  3 2 7  9 8 5
+8 3 2  5 9 4  7 6 1
+
+2 8 6  9 4 5  3 1 7
+3 1 5  2 7 8  6 4 9
+7 9 4  6 1 3  8 5 2
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,null,null,1,null,null,null,null,null,1,null,null,null,3,4,null,null,null,null,null,5,7,null,6,null,null,8,null,null,null,null,7,3,null,6,null,null,null,0,4,null,null,null,5,null,null,null,null,null,null,null,6,null,null,7,null,null,3,4,8,null,null,null,null,null,null,null,5,null,2,0,null,null,7,2,8,null,null,null],"solution":[8,5,6,4,3,1,0,2,7,7,0,1,2,8,6,3,4,5,4,3,2,0,5,7,1,6,8,2,8,0,6,1,5,7,3,4,6,7,3,8,0,4,2,5,1,5,1,4,3,7,2,8,0,6,1,2,7,5,6,3,4,8,0,3,6,8,1,4,0,5,7,2,0,4,5,7,2,8,6,1,3]}
+PUZZLE:
+_ _ _  _ _ 2  _ _ _
+_ _ 2  _ _ _  4 5 _
+_ _ _  _ 6 8  _ 7 _
+
+_ 9 _  _ _ _  8 4 _
+7 _ _  _ 1 5  _ _ _
+6 _ _  _ _ _  _ _ 7
+
+_ _ 8  _ _ 4  5 9 _
+_ _ _  _ _ _  6 _ 3
+1 _ _  8 3 9  _ _ _
+
+SOLUTION:
+9 6 7  5 4 2  1 3 8
+8 1 2  3 9 7  4 5 6
+5 4 3  1 6 8  2 7 9
+
+3 9 1  7 2 6  8 4 5
+7 8 4  9 1 5  3 6 2
+6 2 5  4 8 3  9 1 7
+
+2 3 8  6 7 4  5 9 1
+4 7 9  2 5 1  6 8 3
+1 5 6  8 3 9  7 2 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,null,null,null,null,7,1,7,null,null,5,null,null,null,null,null,null,2,5,8,null,null,null,6,0,null,null,null,null,null,null,3,null,null,null,5,null,null,2,3,null,0,null,null,1,null,7,null,null,null,null,6,4,null,6,null,0,null,null,3,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,8],"solution":[3,8,4,0,6,2,5,7,1,7,6,0,5,1,4,2,8,3,1,2,5,8,3,7,4,6,0,0,4,7,6,8,5,3,1,2,6,5,8,1,2,3,7,0,4,2,1,3,7,4,0,8,5,6,4,7,6,2,0,8,1,3,5,8,3,1,4,5,6,0,2,7,5,0,2,3,7,1,6,4,8]}
+PUZZLE:
+_ 9 _  _ _ _  _ 8 2
+8 _ _  6 _ _  _ _ _
+_ 3 6  9 _ _  _ 7 1
+
+_ _ _  _ _ _  4 _ _
+_ 6 _  _ 3 4  _ 1 _
+_ 2 _  8 _ _  _ _ 7
+
+5 _ 7  _ 1 _  _ 4 _
+_ _ _  5 _ _  _ _ _
 _ _ _  _ _ _  _ _ 9
 
 SOLUTION:
-6 8 3  5 2 4  7 9 1
-1 5 4  7 8 9  2 6 3
-2 9 7  3 6 1  8 5 4
+4 9 5  1 7 3  6 8 2
+8 7 1  6 2 5  3 9 4
+2 3 6  9 4 8  5 7 1
 
-5 1 8  4 3 6  9 7 2
-7 3 9  1 5 2  4 8 6
-4 2 6  8 9 7  3 1 5
+1 5 8  7 9 6  4 2 3
+7 6 9  2 3 4  8 1 5
+3 2 4  8 5 1  9 6 7
 
-3 6 2  9 1 8  5 4 7
-9 7 5  6 4 3  1 2 8
-8 4 1  2 7 5  6 3 9
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,3,null,null,5,null,null,null,4,null,null,null,6,null,3,2,7,8,null,null,null,4,1,null,null,null,null,null,7,3,2,null,null,null,null,2,null,null,null,8,4,null,5,null,null,null,null,null,null,null,null,null,null,0,null,null,2,null,6,null,null,null,null,null,null,0,3,7,1,null,null,null,6,null,null,null,null,null,null],"solution":[6,1,2,3,8,0,5,4,7,0,4,5,1,7,6,8,3,2,7,8,3,2,5,4,1,6,0,5,6,4,7,3,2,0,8,1,3,2,1,0,6,8,4,7,5,8,7,0,4,1,5,3,2,6,4,0,7,8,2,1,6,5,3,2,5,8,6,0,3,7,1,4,1,3,6,5,4,7,2,0,8]}
-PUZZLE:
-_ _ _  4 _ _  6 _ _
-_ 5 _  _ _ 7  _ 4 3
-8 9 _  _ _ 5  2 _ _
-
-_ _ _  8 4 3  _ _ _
-_ 3 _  _ _ 9  5 _ 6
-_ _ _  _ _ _  _ _ _
-
-_ 1 _  _ 3 _  7 _ _
-_ _ _  _ 1 4  8 2 _
-_ _ 7  _ _ _  _ _ _
-
-SOLUTION:
-7 2 3  4 9 1  6 5 8
-1 5 6  2 8 7  9 4 3
-8 9 4  3 6 5  2 7 1
-
-6 7 5  8 4 3  1 9 2
-4 3 2  1 7 9  5 8 6
-9 8 1  5 2 6  4 3 7
-
-5 1 8  9 3 2  7 6 4
-3 6 9  7 1 4  8 2 5
-2 4 7  6 5 8  3 1 9
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,0,null,5,null,null,6,null,2,null,null,null,null,null,8,5,null,null,null,null,null,3,null,null,2,1,null,null,null,1,2,6,null,null,null,null,6,null,null,4,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,4,null,null,5,null,1,null,8,7,null,null,0,null,2,null,null,null,null,1,null,null,null,null,7,6],"solution":[1,8,0,2,5,7,3,6,4,2,3,7,6,1,4,8,5,0,6,4,5,8,3,0,7,2,1,4,0,3,1,2,6,5,8,7,7,6,2,5,4,8,1,0,3,5,1,8,0,7,3,6,4,2,3,2,4,7,6,5,0,1,8,8,7,6,4,0,1,2,3,5,0,5,1,3,8,2,4,7,6]}
-PUZZLE:
-_ _ 1  _ 6 _  _ 7 _
-3 _ _  _ _ _  9 6 _
-_ _ _  _ 4 _  _ 3 2
-
-_ _ _  2 3 7  _ _ _
-_ 7 _  _ 5 _  _ _ 4
-_ _ _  _ _ _  _ _ _
-
-_ _ 5  _ _ 6  _ 2 _
-9 8 _  _ 1 _  3 _ _
-_ _ 2  _ _ _  _ 8 7
-
-SOLUTION:
-2 9 1  3 6 8  4 7 5
-3 4 8  7 2 5  9 6 1
-7 5 6  9 4 1  8 3 2
-
-5 1 4  2 3 7  6 9 8
-8 7 3  6 5 9  2 1 4
-6 2 9  1 8 4  7 5 3
-
-4 3 5  8 7 6  1 2 9
-9 8 7  5 1 2  3 4 6
-1 6 2  4 9 3  5 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,0,null,null,3,6,1,null,null,8,null,null,null,null,null,null,null,null,6,null,4,null,2,0,null,3,4,null,null,null,null,null,null,null,7,null,null,8,null,5,null,null,null,null,8,null,null,null,null,null,null,null,null,7,null,1,null,0,null,7,null,null,null,null,5,null,1,5,2,null,null,null,3,null,null],"solution":[7,8,5,4,6,3,1,0,2,4,3,6,1,2,0,8,7,5,2,0,1,7,8,5,6,3,4,8,2,0,5,3,4,7,6,1,6,1,4,0,7,2,5,8,3,5,7,3,6,1,8,4,2,0,3,4,8,2,5,7,0,1,6,0,6,7,3,4,1,2,5,8,1,5,2,8,0,6,3,4,7]}
-PUZZLE:
-_ _ _  _ _ _  _ 1 _
-_ 4 7  2 _ _  9 _ _
-_ _ _  _ _ _  7 _ 5
-
-_ 3 1  _ 4 5  _ _ _
-_ _ _  _ 8 _  _ 9 _
-6 _ _  _ _ 9  _ _ _
-
-_ _ _  _ _ 8  _ 2 _
-1 _ 8  _ _ _  _ 6 _
-2 6 3  _ _ _  4 _ _
-
-SOLUTION:
-8 9 6  5 7 4  2 1 3
-5 4 7  2 3 1  9 8 6
-3 1 2  8 9 6  7 4 5
-
-9 3 1  6 4 5  8 7 2
-7 2 5  1 8 3  6 9 4
-6 8 4  7 2 9  5 3 1
-
-4 5 9  3 6 8  1 2 7
-1 7 8  4 5 2  3 6 9
-2 6 3  9 1 7  4 5 8
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,7,6,null,null,3,null,null,2,0,null,null,null,null,null,null,null,null,null,null,null,4,0,null,null,null,5,null,null,null,7,null,null,8,null,null,null,null,null,null,8,1,null,6,null,null,null,0,null,3,null,5,null,null,8,null,null,null,null,2,6,null,null,6,null,null,8,null,null,4,7,null,null,null,4,1,null,null,null,null],"solution":[8,4,7,6,2,1,3,0,5,2,0,5,8,3,7,6,1,4,6,1,3,5,4,0,7,2,8,5,2,6,1,7,4,0,8,3,4,3,0,2,5,8,1,7,6,1,7,8,0,6,3,4,5,2,3,8,4,7,0,5,2,6,1,0,6,1,3,8,2,5,4,7,7,5,2,4,1,6,8,3,0]}
-PUZZLE:
-_ _ 8  7 _ _  4 _ _
-3 1 _  _ _ _  _ _ _
-_ _ _  _ 5 1  _ _ _
-
-6 _ _  _ 8 _  _ 9 _
-_ _ _  _ _ 9  2 _ 7
-_ _ _  1 _ 4  _ 6 _
-
-_ 9 _  _ _ _  3 7 _
-_ 7 _  _ 9 _  _ 5 8
-_ _ _  5 2 _  _ _ _
-
-SOLUTION:
-9 5 8  7 3 2  4 1 6
-3 1 6  9 4 8  7 2 5
-7 2 4  6 5 1  8 3 9
-
-6 3 7  2 8 5  1 9 4
-5 4 1  3 6 9  2 8 7
-2 8 9  1 7 4  5 6 3
-
-4 9 5  8 1 6  3 7 2
-1 7 2  4 9 3  6 5 8
-8 6 3  5 2 7  9 4 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,null,null,4,1,5,null,null,1,null,null,2,null,null,4,null,null,null,null,5,null,8,null,1,null,null,0,null,null,null,5,2,null,null,null,null,null,null,null,null,0,7,null,6,null,null,4,null,1,null,null,null,7,null,null,null,null,null,3,3,null,null,null,null,null,null,null,null,2,null,null,null,5,7,null,null,null],"solution":[6,3,8,2,7,0,5,4,1,5,7,0,1,4,8,2,3,6,4,1,2,6,3,5,0,8,7,1,4,3,0,8,6,7,5,2,8,2,5,7,1,3,4,6,0,7,0,6,5,2,4,3,1,8,0,5,7,4,6,1,8,2,3,3,6,4,8,0,2,1,7,5,2,8,1,3,5,7,6,0,4]}
-PUZZLE:
-_ _ 9  _ _ _  _ 5 2
-6 _ _  2 _ _  3 _ _
-5 _ _  _ _ 6  _ 9 _
-
-2 _ _  1 _ _  _ 6 3
-_ _ _  _ _ _  _ _ 1
-8 _ 7  _ _ 5  _ 2 _
-
-_ _ 8  _ _ _  _ _ 4
-4 _ _  _ _ _  _ _ _
-3 _ _  _ 6 8  _ _ _
-
-SOLUTION:
-7 4 9  3 8 1  6 5 2
-6 8 1  2 5 9  3 4 7
-5 2 3  7 4 6  1 9 8
-
-2 5 4  1 9 7  8 6 3
-9 3 6  8 2 4  5 7 1
-8 1 7  6 3 5  4 2 9
-
-1 6 8  5 7 2  9 3 4
-4 7 5  9 1 3  2 8 6
-3 9 2  4 6 8  7 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,null,null,null,null,2,null,4,5,null,7,null,null,null,null,1,8,null,null,null,null,null,null,null,null,null,null,5,null,1,null,7,null,null,2,null,0,3,null,null,4,null,7,null,null,null,null,null,0,null,4,null,null,null,8,null,5,4,null,null,null,null,null,null,null,null,null,1,null,null,6,6,null,null,7,null,2,null,null,null],"solution":[3,1,8,6,7,5,2,0,4,5,6,7,4,2,0,3,1,8,4,2,0,3,1,8,5,6,7,8,5,4,1,6,7,0,3,2,2,0,3,8,5,4,6,7,1,1,7,6,2,0,3,4,8,5,0,8,1,5,4,6,7,2,3,7,4,2,0,3,1,8,5,6,6,3,5,7,8,2,1,4,0]}
-PUZZLE:
-4 _ _  _ _ _  3 _ 5
-6 _ 8  _ _ _  _ 2 9
-_ _ _  _ _ _  _ _ _
-
-_ 6 _  2 _ 8  _ _ 3
-_ 1 4  _ _ 5  _ 8 _
-_ _ _  _ 1 _  5 _ _
-
-_ 9 _  6 5 _  _ _ _
-_ _ _  _ _ 2  _ _ 7
-7 _ _  8 _ 3  _ _ _
-
-SOLUTION:
-4 2 9  7 8 6  3 1 5
-6 7 8  5 3 1  4 2 9
-5 3 1  4 2 9  6 7 8
-
-9 6 5  2 7 8  1 4 3
-3 1 4  9 6 5  7 8 2
-2 8 7  3 1 4  5 9 6
-
-1 9 2  6 5 7  8 3 4
-8 5 3  1 4 2  9 6 7
-7 4 6  8 9 3  2 5 1
-
-RATING: 3.5
-DATA:
-{"puzzle":[4,null,null,null,null,8,null,3,null,null,null,null,null,null,null,2,null,null,1,null,null,5,null,4,null,null,0,null,4,null,null,8,null,null,2,6,null,null,null,null,null,null,7,5,null,5,null,1,0,null,null,8,null,null,null,null,null,7,null,null,null,null,null,null,null,8,6,4,null,null,null,null,null,6,5,null,null,null,null,null,null],"solution":[4,0,6,2,1,8,5,3,7,8,5,7,3,0,6,2,1,4,1,3,2,5,7,4,6,8,0,7,4,3,1,8,5,0,2,6,6,8,0,4,2,3,7,5,1,5,2,1,0,6,7,8,4,3,2,1,4,7,5,0,3,6,8,3,7,8,6,4,2,1,0,5,0,6,5,8,3,1,4,7,2]}
-PUZZLE:
-5 _ _  _ _ 9  _ 4 _
-_ _ _  _ _ _  3 _ _
-2 _ _  6 _ 5  _ _ 1
-
-_ 5 _  _ 9 _  _ 3 7
-_ _ _  _ _ _  8 6 _
-6 _ 2  1 _ _  9 _ _
-
-_ _ _  8 _ _  _ _ _
-_ _ 9  7 5 _  _ _ _
-_ 7 6  _ _ _  _ _ _
-
-SOLUTION:
-5 1 7  3 2 9  6 4 8
-9 6 8  4 1 7  3 2 5
-2 4 3  6 8 5  7 9 1
-
-8 5 4  2 9 6  1 3 7
-7 9 1  5 3 4  8 6 2
-6 3 2  1 7 8  9 5 4
-
-3 2 5  8 6 1  4 7 9
-4 8 9  7 5 3  2 1 6
-1 7 6  9 4 2  5 8 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,6,null,3,null,7,5,4,5,null,1,null,null,0,null,null,null,null,null,null,2,null,null,null,null,8,4,null,7,null,null,5,null,null,3,null,6,null,null,null,null,null,0,null,2,8,3,null,null,null,null,null,null,null,null,null,null,null,2,4,null,null,null,null,null,7,null,null,0,null,null],"solution":[7,4,8,5,2,6,3,1,0,0,2,6,1,3,8,7,5,4,5,3,1,4,7,0,8,2,6,3,0,5,2,6,7,1,4,8,4,1,7,8,0,5,2,6,3,8,6,2,3,4,1,5,0,7,2,8,3,0,5,4,6,7,1,1,7,0,6,8,2,4,3,5,6,5,4,7,1,3,0,8,2]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ 7  _ 4 _  8 6 5
-6 _ 2  _ _ 1  _ _ _
-
-_ _ _  3 _ _  _ _ 9
-5 _ 8  _ _ 6  _ _ 4
-_ 7 _  _ _ _  _ 1 _
-
-3 9 4  _ _ _  _ _ _
-_ _ _  _ _ 3  5 _ _
-_ _ _  8 _ _  1 _ _
-
-SOLUTION:
-8 5 9  6 3 7  4 2 1
-1 3 7  2 4 9  8 6 5
-6 4 2  5 8 1  9 3 7
-
-4 1 6  3 7 8  2 5 9
-5 2 8  9 1 6  3 7 4
-9 7 3  4 5 2  6 1 8
-
-3 9 4  1 6 5  7 8 2
-2 8 1  7 9 3  5 4 6
-7 6 5  8 2 4  1 9 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,2,null,null,null,null,null,null,4,null,null,null,1,2,5,null,null,null,null,null,4,null,null,null,null,null,null,null,null,3,null,4,null,null,null,3,2,6,null,null,null,null,null,8,null,null,null,2,null,1,null,null,null,null,6,5,null,null,null,1,null,null,null,1,null,null,8,null,null,2,null,null,null,null,null,7,3,null,0],"solution":[7,8,3,2,5,6,0,4,1,6,4,0,8,7,1,2,5,3,2,1,5,0,4,3,6,8,7,0,6,7,1,3,5,4,2,8,1,3,2,6,8,4,7,0,5,8,5,4,7,2,0,1,3,6,3,7,6,5,0,2,8,1,4,4,0,1,3,6,8,5,7,2,5,2,8,4,1,7,3,6,0]}
-PUZZLE:
-_ _ _  3 _ _  _ _ _
-_ 5 _  _ _ 2  3 6 _
-_ _ _  _ 5 _  _ _ _
-
-_ _ _  _ 4 _  5 _ _
-_ 4 3  7 _ _  _ _ _
-9 _ _  _ 3 _  2 _ _
-
-_ _ 7  6 _ _  _ 2 _
-_ _ 2  _ _ 9  _ _ 3
-_ _ _  _ _ 8  4 _ 1
-
-SOLUTION:
-8 9 4  3 6 7  1 5 2
-7 5 1  9 8 2  3 6 4
-3 2 6  1 5 4  7 9 8
-
-1 7 8  2 4 6  5 3 9
-2 4 3  7 9 5  8 1 6
-9 6 5  8 3 1  2 4 7
-
-4 8 7  6 1 3  9 2 5
-5 1 2  4 7 9  6 8 3
-6 3 9  5 2 8  4 7 1
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,null,6,null,null,8,null,null,null,null,3,null,null,null,1,null,null,null,2,null,null,null,null,null,5,6,null,null,null,null,null,null,null,6,null,2,null,null,7,null,null,5,null,0,null,null,null,3,null,1,null,4,null,1,null,null,null,2,null,7,null,null,null,null,null,1,7,0,null,null,null,null,null,4,null,null,8,null,null,null],"solution":[4,1,0,6,5,2,8,7,3,5,6,3,8,4,7,1,0,2,8,2,7,0,1,3,4,5,6,7,4,1,2,0,5,3,6,8,2,3,6,7,8,4,5,1,0,0,8,5,3,6,1,2,4,7,1,0,8,4,2,6,7,3,5,3,5,2,1,7,0,6,8,4,6,7,4,5,3,8,0,2,1]}
-PUZZLE:
-5 _ _  7 _ _  9 _ _
-_ _ 4  _ _ _  2 _ _
-_ 3 _  _ _ _  _ 6 7
-
-_ _ _  _ _ _  _ 7 _
-3 _ _  8 _ _  6 _ 1
-_ _ _  4 _ 2  _ 5 _
-
-2 _ _  _ 3 _  8 _ _
-_ _ _  2 8 1  _ _ _
-_ _ 5  _ _ 9  _ _ _
-
-SOLUTION:
-5 2 1  7 6 3  9 8 4
-6 7 4  9 5 8  2 1 3
-9 3 8  1 2 4  5 6 7
-
-8 5 2  3 1 6  4 7 9
-3 4 7  8 9 5  6 2 1
-1 9 6  4 7 2  3 5 8
-
-2 1 9  5 3 7  8 4 6
-4 6 3  2 8 1  7 9 5
-7 8 5  6 4 9  1 3 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,4,null,null,null,null,null,7,0,8,null,null,0,null,null,null,null,5,null,null,null,null,null,1,null,null,null,null,6,5,null,null,2,null,6,3,null,7,4,null,null,null,null,null,null,null,null,null,5,2,null,6,null,null,null,0,3,null,null,null,null,null,null,null,5,null,null,null,4,null,3,null,1,null,null],"solution":[2,1,7,3,8,6,5,4,0,6,4,5,2,7,0,8,3,1,0,8,3,4,1,5,6,2,7,4,7,1,0,2,8,3,6,5,8,5,2,1,6,3,0,7,4,3,6,0,7,5,4,2,1,8,5,2,8,6,4,1,7,0,3,1,3,6,8,0,7,4,5,2,7,0,4,5,3,2,1,8,6]}
-PUZZLE:
-_ _ _  _ 9 _  _ 5 _
-_ _ _  _ 8 1  9 _ _
-1 _ _  _ _ 6  _ _ _
-
-_ _ 2  _ _ _  _ 7 6
-_ _ 3  _ 7 4  _ 8 5
-_ _ _  _ _ _  _ _ _
-
-6 3 _  7 _ _  _ 1 4
-_ _ _  _ _ _  _ 6 _
-_ _ 5  _ 4 _  2 _ _
-
-SOLUTION:
-3 2 8  4 9 7  6 5 1
-7 5 6  3 8 1  9 4 2
-1 9 4  5 2 6  7 3 8
-
-5 8 2  1 3 9  4 7 6
-9 6 3  2 7 4  1 8 5
-4 7 1  8 6 5  3 2 9
-
-6 3 9  7 5 2  8 1 4
-2 4 7  9 1 8  5 6 3
-8 1 5  6 4 3  2 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,3,null,8,null,null,null,3,4,null,0,null,null,null,null,null,null,null,null,null,4,6,null,null,7,null,2,null,null,null,null,null,3,null,8,null,null,null,null,null,null,5,null,null,null,null,null,null,null,8,7,6,0,null,null,null,null,null,4,null,null,null,null,5,6,null,null,null,null,null,null,null,8,null,null,4,6,null,null],"solution":[1,5,6,3,7,8,2,4,0,3,4,7,0,2,1,5,6,8,2,8,0,5,4,6,3,1,7,6,2,1,8,5,7,0,3,4,8,7,3,4,6,0,1,5,2,5,0,4,2,1,3,8,7,6,0,6,2,7,3,5,4,8,1,4,1,5,6,8,2,7,0,3,7,3,8,1,0,4,6,2,5]}
-PUZZLE:
-2 _ _  4 _ 9  _ _ _
-4 5 _  1 _ _  _ _ _
-_ _ _  _ 5 7  _ _ 8
-
-_ 3 _  _ _ _  _ 4 _
-9 _ _  _ _ _  _ 6 _
-_ _ _  _ _ _  9 8 7
-
-1 _ _  _ _ _  5 _ _
-_ _ 6  7 _ _  _ _ _
-_ _ 9  _ _ 5  7 _ _
-
-SOLUTION:
-2 6 7  4 8 9  3 5 1
-4 5 8  1 3 2  6 7 9
-3 9 1  6 5 7  4 2 8
-
-7 3 2  9 6 8  1 4 5
-9 8 4  5 7 1  2 6 3
-6 1 5  3 2 4  9 8 7
-
-1 7 3  8 4 6  5 9 2
-5 2 6  7 9 3  8 1 4
-8 4 9  2 1 5  7 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,6,2,null,null,null,null,null,null,null,null,null,8,1,null,null,null,null,null,2,null,0,null,5,null,null,4,null,null,null,null,null,null,3,null,null,5,null,null,4,null,null,6,7,null,null,8,null,null,0,null,null,2,null,2,null,null,null,null,null,8,3,null,null,null,null,null,3,1,null,6,5,null,null,null,null,null,null,null,null],"solution":[0,8,6,2,5,4,3,7,1,3,4,5,7,8,1,6,2,0,1,7,2,3,0,6,5,4,8,4,1,0,6,7,2,8,3,5,2,5,3,1,4,8,0,6,7,7,6,8,5,3,0,4,1,2,6,2,4,0,1,5,7,8,3,8,0,7,4,2,3,1,5,6,5,3,1,8,6,7,2,0,4]}
-PUZZLE:
-1 _ 7  3 _ _  _ _ _
-_ _ _  _ 9 2  _ _ _
-_ _ 3  _ 1 _  6 _ _
-
-5 _ _  _ _ _  _ 4 _
-_ 6 _  _ 5 _  _ 7 8
-_ _ 9  _ _ 1  _ _ 3
-
-_ 3 _  _ _ _  _ 9 4
-_ _ _  _ _ 4  2 _ 7
-6 _ _  _ _ _  _ _ _
-
-SOLUTION:
-1 9 7  3 6 5  4 8 2
-4 5 6  8 9 2  7 3 1
-2 8 3  4 1 7  6 5 9
-
-5 2 1  7 8 3  9 4 6
-3 6 4  2 5 9  1 7 8
-8 7 9  6 4 1  5 2 3
-
-7 3 5  1 2 6  8 9 4
-9 1 8  5 3 4  2 6 7
-6 4 2  9 7 8  3 1 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,6,3,null,null,null,null,6,null,null,null,0,8,null,null,null,null,8,5,null,1,null,null,null,null,null,null,2,4,8,null,null,null,null,0,1,null,null,5,null,null,null,null,3,null,null,null,null,null,0,null,null,null,null,7,null,null,null,null,7,null,null,4,null,null,null,1,null,null,2,8,null,null,null,null,null,6],"solution":[8,0,4,2,1,6,3,7,5,5,1,6,3,4,7,0,8,2,3,7,2,8,5,0,1,6,4,6,5,7,0,2,4,8,3,1,2,8,0,1,6,3,5,4,7,1,4,3,7,8,5,6,2,0,0,3,1,6,7,2,4,5,8,7,6,5,4,0,8,2,1,3,4,2,8,5,3,1,7,0,6]}
-PUZZLE:
-_ _ _  _ _ 7  4 _ _
-_ _ 7  _ _ _  1 9 _
-_ _ _  9 6 _  2 _ _
-
-_ _ _  _ 3 5  9 _ _
-_ _ 1  2 _ _  6 _ _
-_ _ 4  _ _ _  _ _ 1
-
-_ _ _  _ 8 _  _ _ _
-8 _ _  5 _ _  _ 2 _
-_ 3 9  _ _ _  _ _ 7
-
-SOLUTION:
-9 1 5  3 2 7  4 8 6
-6 2 7  4 5 8  1 9 3
-4 8 3  9 6 1  2 7 5
-
-7 6 8  1 3 5  9 4 2
-3 9 1  2 7 4  6 5 8
-2 5 4  8 9 6  7 3 1
-
-1 4 2  7 8 3  5 6 9
-8 7 6  5 1 9  3 2 4
-5 3 9  6 4 2  8 1 7
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,1,null,null,null,0,null,1,null,null,6,5,null,7,null,2,null,6,null,null,null,null,null,null,7,null,null,null,null,null,2,null,null,null,4,8,null,null,null,null,null,8,1,null,null,4,2,null,5,null,null,null,null,null,3,null,null,null,null,7,null,null,null,0,null,null,6,null,null,null,2,4,null,8,null],"solution":[8,6,2,4,0,5,7,1,3,3,4,0,8,1,7,2,6,5,1,7,5,2,3,6,8,0,4,0,1,4,7,5,2,6,3,8,2,3,6,0,4,8,5,7,1,7,5,8,1,6,3,4,2,0,5,8,1,6,7,0,3,4,2,4,2,7,3,8,1,0,5,6,6,0,3,5,2,4,1,8,7]}
-PUZZLE:
-_ _ _  _ _ _  _ 2 _
-_ _ 1  _ 2 _  _ 7 6
-_ 8 _  3 _ 7  _ _ _
-
-_ _ _  8 _ _  _ _ _
-3 _ _  _ 5 9  _ _ _
-_ _ 9  2 _ _  5 3 _
-
-6 _ _  _ _ _  4 _ _
-_ _ 8  _ _ _  1 _ _
-7 _ _  _ 3 5  _ 9 _
-
-SOLUTION:
-9 7 3  5 1 6  8 2 4
-4 5 1  9 2 8  3 7 6
-2 8 6  3 4 7  9 1 5
-
-1 2 5  8 6 3  7 4 9
-3 4 7  1 5 9  6 8 2
-8 6 9  2 7 4  5 3 1
-
-6 9 2  7 8 1  4 5 3
-5 3 8  4 9 2  1 6 7
-7 1 4  6 3 5  2 9 8
+5 8 7  3 1 9  2 4 6
+9 4 2  5 6 7  1 3 8
+6 1 3  4 8 2  7 5 9
 
 RATING: 1.75
 DATA:
-{"puzzle":[null,null,2,7,0,null,null,null,null,null,null,8,null,null,5,0,null,null,null,null,null,4,null,3,null,null,null,null,6,null,null,null,null,null,4,null,7,null,null,null,4,null,null,6,2,2,null,1,null,null,null,7,null,3,0,1,null,2,null,6,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,5,null],"solution":[4,5,2,7,0,1,3,8,6,3,7,8,6,2,5,0,1,4,1,0,6,4,8,3,5,2,7,8,6,0,3,7,2,1,4,5,7,3,5,1,4,0,8,6,2,2,4,1,5,6,8,7,0,3,0,1,7,2,5,6,4,3,8,5,2,3,8,1,4,6,7,0,6,8,4,0,3,7,2,5,1]}
+{"puzzle":[null,null,null,6,null,null,null,null,8,null,0,6,null,null,null,null,null,null,null,null,1,null,null,null,5,7,null,0,null,null,5,null,null,7,null,null,null,null,null,null,null,2,null,4,null,null,null,null,8,0,null,1,null,null,null,8,null,null,7,null,null,null,4,null,3,null,null,null,null,null,0,null,null,null,4,null,2,1,null,null,5],"solution":[5,2,7,6,1,4,0,3,8,3,0,6,7,5,8,4,2,1,8,4,1,2,3,0,5,7,6,0,1,8,5,4,3,7,6,2,7,5,3,1,6,2,8,4,0,4,6,2,8,0,7,1,5,3,2,8,0,3,7,5,6,1,4,1,3,5,4,8,6,2,0,7,6,7,4,0,2,1,3,8,5]}
 PUZZLE:
-_ _ 3  8 1 _  _ _ _
-_ _ 9  _ _ 6  1 _ _
-_ _ _  5 _ 4  _ _ _
+_ _ _  7 _ _  _ _ 9
+_ 1 7  _ _ _  _ _ _
+_ _ 2  _ _ _  6 8 _
 
-_ 7 _  _ _ _  _ 5 _
-8 _ _  _ 5 _  _ 7 3
-3 _ 2  _ _ _  8 _ 4
+1 _ _  6 _ _  8 _ _
+_ _ _  _ _ 3  _ 5 _
+_ _ _  9 1 _  2 _ _
 
-1 2 _  3 _ 7  _ _ _
-_ _ _  _ _ _  _ 8 _
-_ _ _  _ _ _  _ 6 _
+_ 9 _  _ 8 _  _ _ 5
+_ 4 _  _ _ _  _ 1 _
+_ _ 5  _ 3 2  _ _ 6
 
 SOLUTION:
-5 6 3  8 1 2  4 9 7
-4 8 9  7 3 6  1 2 5
-2 1 7  5 9 4  6 3 8
-
-9 7 1  4 8 3  2 5 6
-8 4 6  2 5 1  9 7 3
-3 5 2  6 7 9  8 1 4
-
-1 2 8  3 6 7  5 4 9
-6 3 4  9 2 5  7 8 1
-7 9 5  1 4 8  3 6 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,4,null,0,null,5,null,6,null,null,null,null,null,null,null,7,null,null,null,null,null,null,6,8,0,null,null,4,7,null,null,3,null,null,3,null,5,1,null,6,null,null,null,null,2,null,6,null,4,null,null,null,null,4,0,null,null,null,7,null,null,null,null,null,3,null,null,null,null,null,8,1,null,null,null,null,null,null],"solution":[8,2,3,6,4,7,0,1,5,1,6,0,2,8,5,7,4,3,7,4,5,1,0,3,2,6,8,0,1,6,4,7,8,5,3,2,4,3,8,5,1,2,6,0,7,5,7,2,3,6,0,4,8,1,3,5,4,0,2,1,8,7,6,2,0,7,8,3,6,1,5,4,6,8,1,7,5,4,3,2,0]}
-PUZZLE:
-_ _ _  _ 5 _  1 _ 6
-_ 7 _  _ _ _  _ _ _
-8 _ _  _ _ _  _ 7 9
-
-1 _ _  5 8 _  _ 4 _
-_ 4 _  6 2 _  7 _ _
-_ _ 3  _ 7 _  5 _ _
-
-_ _ 5  1 _ _  _ 8 _
-_ _ _  _ 4 _  _ _ _
-_ 9 2  _ _ _  _ _ _
-
-SOLUTION:
-9 3 4  7 5 8  1 2 6
-2 7 1  3 9 6  8 5 4
-8 5 6  2 1 4  3 7 9
-
-1 2 7  5 8 9  6 4 3
-5 4 9  6 2 3  7 1 8
-6 8 3  4 7 1  5 9 2
-
-4 6 5  1 3 2  9 8 7
-3 1 8  9 4 7  2 6 5
-7 9 2  8 6 5  4 3 1
-
-RATING: 2.5
-DATA:
-{"puzzle":[null,null,null,null,null,7,null,null,3,8,null,null,0,null,null,2,null,5,null,null,null,null,4,5,null,null,6,null,null,4,null,8,null,null,null,null,6,0,null,null,null,4,null,null,null,null,null,5,null,1,null,null,7,null,null,4,8,null,0,null,6,null,null,null,2,null,4,5,null,null,3,null,null,7,6,null,null,null,null,null,null],"solution":[4,5,2,8,6,7,1,0,3,8,6,7,0,3,1,2,4,5,0,1,3,2,4,5,7,8,6,7,3,4,5,8,2,0,6,1,6,0,1,3,7,4,5,2,8,2,8,5,6,1,0,3,7,4,5,4,8,7,0,3,6,1,2,1,2,0,4,5,6,8,3,7,3,7,6,1,2,8,4,5,0]}
-PUZZLE:
-_ _ _  _ _ 8  _ _ 4
-9 _ _  1 _ _  3 _ 6
-_ _ _  _ 5 6  _ _ 7
-
-_ _ 5  _ 9 _  _ _ _
-7 1 _  _ _ 5  _ _ _
-_ _ 6  _ 2 _  _ 8 _
-
-_ 5 9  _ 1 _  7 _ _
-_ 3 _  5 6 _  _ 4 _
-_ 8 7  _ _ _  _ _ _
-
-SOLUTION:
-5 6 3  9 7 8  2 1 4
-9 7 8  1 4 2  3 5 6
-1 2 4  3 5 6  8 9 7
-
-8 4 5  6 9 3  1 7 2
-7 1 2  4 8 5  6 3 9
-3 9 6  7 2 1  4 8 5
-
-6 5 9  8 1 4  7 2 3
-2 3 1  5 6 7  9 4 8
-4 8 7  2 3 9  5 6 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,8,null,null,null,null,7,null,null,null,null,4,8,5,null,3,2,null,null,6,null,null,null,null,1,5,null,null,null,0,null,null,null,2,null,null,null,null,null,7,null,null,null,4,null,null,null,null,null,null,null,4,null,3,null,1,null,null,8,null,null,7,null,4,null,5,null,null,null,null,null,null,6,null,7,null,null],"solution":[4,5,1,7,0,8,3,2,6,0,7,6,1,2,3,4,8,5,8,3,2,4,5,6,1,0,7,7,1,5,6,8,4,0,3,2,3,2,8,0,1,5,6,7,4,6,0,4,2,3,7,8,5,1,5,4,0,3,7,1,2,6,8,2,6,7,8,4,0,5,1,3,1,8,3,5,6,2,7,4,0]}
-PUZZLE:
-_ _ _  _ _ 9  _ _ _
-_ 8 _  _ _ _  5 9 6
-_ 4 3  _ _ 7  _ _ _
-
-_ 2 6  _ _ _  1 _ _
-_ 3 _  _ _ _  _ 8 _
-_ _ 5  _ _ _  _ _ _
-
-_ 5 _  4 _ 2  _ _ 9
-_ _ 8  _ 5 _  6 _ _
-_ _ _  _ 7 _  8 _ _
-
-SOLUTION:
-5 6 2  8 1 9  4 3 7
-1 8 7  2 3 4  5 9 6
-9 4 3  5 6 7  2 1 8
-
-8 2 6  7 9 5  1 4 3
-4 3 9  1 2 6  7 8 5
-7 1 5  3 4 8  9 6 2
-
-6 5 1  4 8 2  3 7 9
-3 7 8  9 5 1  6 2 4
-2 9 4  6 7 3  8 5 1
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,1,7,null,2,null,null,3,null,null,null,null,4,5,null,null,null,1,null,null,2,null,7,0,null,null,null,null,null,6,null,null,null,6,null,null,3,2,null,3,null,null,0,4,null,null,null,null,8,null,7,null,null,null,null,null,null,null,1,null,null,null,6,null,4,null,6,null,null,null,5,8,null,null,null],"solution":[0,8,3,2,6,4,5,1,7,7,2,1,8,3,5,6,0,4,4,5,6,7,0,1,8,3,2,2,7,0,5,1,3,4,8,6,1,4,5,6,8,7,3,2,0,3,6,8,0,4,2,7,5,1,8,3,7,4,2,0,1,6,5,5,1,2,3,7,6,0,4,8,6,0,4,1,5,8,2,7,3]}
-PUZZLE:
-_ _ _  _ _ _  _ 2 8
-_ 3 _  _ 4 _  _ _ _
-5 6 _  _ _ 2  _ _ 3
-
-_ 8 1  _ _ _  _ _ 7
-_ _ _  7 _ _  4 3 _
-4 _ _  1 5 _  _ _ _
-
-9 _ 8  _ _ _  _ _ _
-_ 2 _  _ _ 7  _ 5 _
-7 _ _  _ 6 9  _ _ _
-
-SOLUTION:
-1 9 4  3 7 5  6 2 8
-8 3 2  9 4 6  7 1 5
-5 6 7  8 1 2  9 4 3
-
-3 8 1  6 2 4  5 9 7
-2 5 6  7 9 8  4 3 1
-4 7 9  1 5 3  8 6 2
-
-9 4 8  5 3 1  2 7 6
-6 2 3  4 8 7  1 5 9
-7 1 5  2 6 9  3 8 4
-
-RATING: 3
-DATA:
-{"puzzle":[4,null,null,6,null,null,3,null,null,3,null,null,null,null,null,8,6,1,null,null,null,null,null,5,4,null,null,null,null,null,8,null,null,null,null,null,null,6,null,null,null,null,null,1,null,null,3,null,7,0,null,null,null,null,null,null,null,0,null,null,null,8,null,6,null,null,null,2,null,5,7,3,5,4,null,null,null,7,null,null,2],"solution":[4,8,2,6,1,0,3,5,7,3,5,0,2,7,4,8,6,1,1,7,6,3,8,5,4,2,0,0,1,4,8,6,2,7,3,5,2,6,7,5,4,3,0,1,8,8,3,5,7,0,1,2,4,6,7,2,3,0,5,6,1,8,4,6,0,1,4,2,8,5,7,3,5,4,8,1,3,7,6,0,2]}
-PUZZLE:
-5 _ _  7 _ _  4 _ _
-4 _ _  _ _ _  9 7 2
-_ _ _  _ _ 6  5 _ _
-
-_ _ _  9 _ _  _ _ _
-_ 7 _  _ _ _  _ 2 _
-_ 4 _  8 1 _  _ _ _
-
-_ _ _  1 _ _  _ 9 _
-7 _ _  _ 3 _  6 8 4
-6 5 _  _ _ 8  _ _ 3
-
-SOLUTION:
-5 9 3  7 2 1  4 6 8
-4 6 1  3 8 5  9 7 2
-2 8 7  4 9 6  5 3 1
-
-1 2 5  9 7 3  8 4 6
-3 7 8  6 5 4  1 2 9
-9 4 6  8 1 2  3 5 7
-
-8 3 4  1 6 7  2 9 5
-7 1 2  5 3 9  6 8 4
-6 5 9  2 4 8  7 1 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,4,null,null,null,null,null,null,null,6,null,null,null,null,7,null,null,null,0,2,7,null,null,8,null,null,3,null,null,null,null,null,null,null,null,6,7,null,null,8,null,6,null,null,1,2,6,null,1,null,null,8,0,null,null,null,4,null,null,null,null,null,null,1,null,null,0,3,null,6,null,8,null,8,null,null,null,2,null,3,null],"solution":[8,4,3,2,6,1,0,7,5,6,5,1,3,0,7,2,8,4,0,2,7,4,5,8,1,6,3,4,1,8,5,7,0,3,2,6,7,3,0,8,2,6,5,4,1,2,6,5,1,4,3,8,0,7,3,0,4,6,8,5,7,1,2,1,7,2,0,3,4,6,5,8,5,8,6,7,1,2,4,3,0]}
-PUZZLE:
-_ 5 _  _ _ _  _ _ _
-7 _ _  _ _ 8  _ _ _
-1 3 8  _ _ 9  _ _ 4
-
-_ _ _  _ _ _  _ _ 7
-8 _ _  9 _ 7  _ _ 2
-3 7 _  2 _ _  9 1 _
-
-_ _ 5  _ _ _  _ _ _
-2 _ _  1 4 _  7 _ 9
-_ 9 _  _ _ 3  _ 4 _
-
-SOLUTION:
-9 5 4  3 7 2  1 8 6
-7 6 2  4 1 8  3 9 5
-1 3 8  5 6 9  2 7 4
-
-5 2 9  6 8 1  4 3 7
-8 4 1  9 3 7  6 5 2
-3 7 6  2 5 4  9 1 8
-
-4 1 5  7 9 6  8 2 3
-2 8 3  1 4 5  7 6 9
-6 9 7  8 2 3  5 4 1
-
-RATING: 3
-DATA:
-{"puzzle":[null,0,null,null,null,3,null,8,null,null,5,null,null,null,4,null,null,1,null,null,4,8,0,null,null,5,null,null,6,0,null,null,null,5,null,null,null,null,null,3,null,1,null,null,null,null,null,null,null,5,0,null,null,3,null,2,null,null,null,null,7,0,8,5,null,null,null,2,null,4,null,null,null,null,null,null,null,null,null,null,null],"solution":[7,0,2,5,1,3,6,8,4,8,5,3,2,6,4,0,7,1,6,1,4,8,0,7,3,5,2,3,6,0,4,8,2,5,1,7,2,4,5,3,7,1,8,6,0,1,8,7,6,5,0,2,4,3,4,2,6,1,3,5,7,0,8,5,7,1,0,2,8,4,3,6,0,3,8,7,4,6,1,2,5]}
-PUZZLE:
-_ 1 _  _ _ 4  _ 9 _
-_ 6 _  _ _ 5  _ _ 2
-_ _ 5  9 1 _  _ 6 _
-
-_ 7 1  _ _ _  6 _ _
-_ _ _  4 _ 2  _ _ _
-_ _ _  _ 6 1  _ _ 4
-
-_ 3 _  _ _ _  8 1 9
-6 _ _  _ 3 _  5 _ _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 1 3  6 2 4  7 9 5
-9 6 4  3 7 5  1 8 2
-7 2 5  9 1 8  4 6 3
-
-4 7 1  5 9 3  6 2 8
-3 5 6  4 8 2  9 7 1
-2 9 8  7 6 1  3 5 4
-
-5 3 7  2 4 6  8 1 9
-6 8 2  1 3 9  5 4 7
-1 4 9  8 5 7  2 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[6,0,null,null,7,null,null,4,null,null,null,4,null,8,null,3,7,null,null,null,null,null,2,null,null,null,null,null,null,null,null,1,5,null,6,null,3,null,null,null,6,null,null,null,null,null,null,2,null,null,4,null,null,null,null,null,3,1,null,null,null,null,6,4,null,null,null,null,null,null,null,8,null,null,null,0,null,null,2,3,null],"solution":[6,0,1,5,7,3,8,4,2,2,5,4,6,8,1,3,7,0,8,3,7,4,2,0,6,1,5,0,7,8,2,1,5,4,6,3,3,4,5,8,6,7,0,2,1,1,6,2,3,0,4,5,8,7,5,8,3,1,4,2,7,0,6,4,2,0,7,3,6,1,5,8,7,1,6,0,5,8,2,3,4]}
-PUZZLE:
-7 1 _  _ 8 _  _ 5 _
-_ _ 5  _ 9 _  4 8 _
-_ _ _  _ 3 _  _ _ _
-
-_ _ _  _ 2 6  _ 7 _
-4 _ _  _ 7 _  _ _ _
-_ _ 3  _ _ 5  _ _ _
-
-_ _ 4  2 _ _  _ _ 7
-5 _ _  _ _ _  _ _ 9
-_ _ _  1 _ _  3 4 _
-
-SOLUTION:
-7 1 2  6 8 4  9 5 3
-3 6 5  7 9 2  4 8 1
-9 4 8  5 3 1  7 2 6
-
-1 8 9  3 2 6  5 7 4
-4 5 6  9 7 8  1 3 2
-2 7 3  4 1 5  6 9 8
-
-6 9 4  2 5 3  8 1 7
-5 3 1  8 4 7  2 6 9
-8 2 7  1 6 9  3 4 5
-
-RATING: 4.5
-DATA:
-{"puzzle":[null,null,null,null,0,null,null,null,null,1,null,2,5,null,null,null,null,null,0,null,null,null,7,2,null,null,5,2,4,null,null,null,null,null,null,null,7,null,null,null,6,null,2,null,1,null,null,5,1,null,null,0,null,null,null,null,6,null,5,null,null,4,2,null,null,null,null,null,7,null,null,6,null,3,null,null,null,null,null,null,null],"solution":[6,5,4,3,0,1,8,2,7,1,7,2,5,8,4,6,0,3,0,8,3,6,7,2,4,1,5,2,4,1,7,3,0,5,6,8,7,0,8,4,6,5,2,3,1,3,6,5,1,2,8,0,7,4,8,1,6,0,5,3,7,4,2,4,2,0,8,1,7,3,5,6,5,3,7,2,4,6,1,8,0]}
-PUZZLE:
-_ _ _  _ 1 _  _ _ _
-2 _ 3  6 _ _  _ _ _
-1 _ _  _ 8 3  _ _ 6
-
-3 5 _  _ _ _  _ _ _
-8 _ _  _ 7 _  3 _ 2
-_ _ 6  2 _ _  1 _ _
-
-_ _ 7  _ 6 _  _ 5 3
-_ _ _  _ _ 8  _ _ 7
-_ 4 _  _ _ _  _ _ _
-
-SOLUTION:
-7 6 5  4 1 2  9 3 8
-2 8 3  6 9 5  7 1 4
-1 9 4  7 8 3  5 2 6
-
-3 5 2  8 4 1  6 7 9
-8 1 9  5 7 6  3 4 2
-4 7 6  2 3 9  1 8 5
-
-9 2 7  1 6 4  8 5 3
-5 3 1  9 2 8  4 6 7
-6 4 8  3 5 7  2 9 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,0,null,null,null,null,null,8,null,null,null,3,null,null,null,0,6,null,null,8,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,2,null,null,7,null,null,null,8,null,null,8,6,null,1,5,null,null,null,null,0,null,5,null,8,null,2,null,null,6,1,null,null,4,null,3,2,null,null,null,null,null,null,7,null],"solution":[4,7,1,0,2,5,3,8,6,8,5,2,4,3,6,7,1,0,6,0,3,8,1,7,2,4,5,5,6,7,2,8,3,1,0,4,1,2,4,5,7,0,6,3,8,0,3,8,6,4,1,5,2,7,3,1,0,7,5,4,8,6,2,7,8,6,1,0,2,4,5,3,2,4,5,3,6,8,0,7,1]}
-PUZZLE:
-_ _ 2  1 _ _  _ _ _
-9 _ _  _ 4 _  _ _ 1
-7 _ _  9 _ _  _ _ _
-
-_ _ _  _ _ 4  _ _ _
-_ 3 _  _ 8 _  _ _ 9
-_ _ 9  7 _ 2  6 _ _
-
-_ _ 1  _ 6 _  9 _ 3
-_ _ 7  2 _ _  5 _ 4
-3 _ _  _ _ _  _ 8 _
-
-SOLUTION:
-5 8 2  1 3 6  4 9 7
-9 6 3  5 4 7  8 2 1
-7 1 4  9 2 8  3 5 6
-
-6 7 8  3 9 4  2 1 5
-2 3 5  6 8 1  7 4 9
-1 4 9  7 5 2  6 3 8
-
-4 2 1  8 6 5  9 7 3
-8 9 7  2 1 3  5 6 4
-3 5 6  4 7 9  1 8 2
-
-RATING: 4
-DATA:
-{"puzzle":[7,null,null,null,1,null,4,6,null,null,null,null,null,null,4,0,null,3,2,null,null,0,null,null,null,5,null,null,6,null,null,null,3,null,null,8,null,null,2,null,null,null,5,null,null,null,null,null,null,2,null,null,7,4,6,null,null,null,4,1,null,null,null,null,null,null,8,null,null,null,4,null,5,null,null,null,null,null,null,null,6],"solution":[7,8,0,3,1,5,4,6,2,1,5,6,2,7,4,0,8,3,2,4,3,0,6,8,7,5,1,0,6,7,4,5,3,1,2,8,4,1,2,6,8,7,5,3,0,8,3,5,1,2,0,6,7,4,6,2,8,5,4,1,3,0,7,3,7,1,8,0,6,2,4,5,5,0,4,7,3,2,8,1,6]}
-PUZZLE:
-8 _ _  _ 2 _  5 7 _
-_ _ _  _ _ 5  1 _ 4
-3 _ _  1 _ _  _ 6 _
-
-_ 7 _  _ _ 4  _ _ 9
-_ _ 3  _ _ _  6 _ _
-_ _ _  _ 3 _  _ 8 5
-
-7 _ _  _ 5 2  _ _ _
-_ _ _  9 _ _  _ 5 _
-6 _ _  _ _ _  _ _ 7
-
-SOLUTION:
-8 9 1  4 2 6  5 7 3
-2 6 7  3 8 5  1 9 4
-3 5 4  1 7 9  8 6 2
-
-1 7 8  5 6 4  2 3 9
-5 2 3  7 9 8  6 4 1
-9 4 6  2 3 1  7 8 5
-
-7 3 9  6 5 2  4 1 8
-4 8 2  9 1 7  3 5 6
-6 1 5  8 4 3  9 2 7
-
-RATING: 2.5
-DATA:
-{"puzzle":[3,null,null,null,null,7,6,2,null,null,4,null,null,null,null,null,null,null,null,null,null,0,null,null,3,5,null,null,null,5,7,null,null,null,3,6,6,null,null,8,null,2,null,null,null,null,0,null,null,null,null,7,null,null,null,null,null,null,5,null,4,null,null,0,null,7,null,null,null,null,null,3,null,null,6,null,null,1,8,null,null],"solution":[3,8,0,5,4,7,6,2,1,5,4,2,1,6,3,0,7,8,7,6,1,0,2,8,3,5,4,8,2,5,7,0,4,1,3,6,6,7,3,8,1,2,5,4,0,1,0,4,6,3,5,7,8,2,2,1,8,3,5,0,4,6,7,0,5,7,4,8,6,2,1,3,4,3,6,2,7,1,8,0,5]}
-PUZZLE:
-4 _ _  _ _ 8  7 3 _
-_ 5 _  _ _ _  _ _ _
-_ _ _  1 _ _  4 6 _
-
-_ _ 6  8 _ _  _ 4 7
-7 _ _  9 _ 3  _ _ _
-_ 1 _  _ _ _  8 _ _
-
-_ _ _  _ 6 _  5 _ _
-1 _ 8  _ _ _  _ _ 4
-_ _ 7  _ _ 2  9 _ _
-
-SOLUTION:
-4 9 1  6 5 8  7 3 2
-6 5 3  2 7 4  1 8 9
-8 7 2  1 3 9  4 6 5
-
-9 3 6  8 1 5  2 4 7
-7 8 4  9 2 3  6 5 1
-2 1 5  7 4 6  8 9 3
-
-3 2 9  4 6 1  5 7 8
-1 6 8  5 9 7  3 2 4
-5 4 7  3 8 2  9 1 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,null,null,2,3,7,null,null,null,null,null,3,5,1,null,2,null,null,null,null,null,null,4,null,null,null,null,2,null,null,null,null,3,null,null,null,null,null,null,6,null,null,null,0,6,null,2,null,3,null,null,null,null,0,6,null,null,null,null,4,null,null,null,null,null,null,null,7,null,null,3,7,null,1,0,null,null,null,8],"solution":[5,4,1,6,8,2,3,7,0,7,8,0,4,3,5,1,6,2,6,2,3,7,1,0,4,8,5,4,5,2,8,7,1,0,3,6,1,3,8,0,4,6,2,5,7,0,6,7,2,5,3,8,1,4,8,0,6,3,2,7,5,4,1,2,1,4,5,6,8,7,0,3,3,7,5,1,0,4,6,2,8]}
-PUZZLE:
-_ 5 _  _ _ 3  4 8 _
-_ _ _  _ 4 6  2 _ 3
-_ _ _  _ _ _  5 _ _
-
-_ _ 3  _ _ _  _ 4 _
-_ _ _  _ _ 7  _ _ _
-1 7 _  3 _ 4  _ _ _
-
-_ 1 7  _ _ _  _ 5 _
-_ _ _  _ _ _  8 _ _
-4 8 _  2 1 _  _ _ 9
-
-SOLUTION:
-6 5 2  7 9 3  4 8 1
-8 9 1  5 4 6  2 7 3
-7 3 4  8 2 1  5 9 6
-
-5 6 3  9 8 2  1 4 7
-2 4 9  1 5 7  3 6 8
-1 7 8  3 6 4  9 2 5
-
-9 1 7  4 3 8  6 5 2
-3 2 5  6 7 9  8 1 4
-4 8 6  2 1 5  7 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,6,null,null,0,null,3,null,6,null,null,null,null,4,8,null,null,null,null,5,3,null,null,null,null,null,null,null,2,null,null,5,4,null,null,null,8,null,null,3,null,null,0,1,null,null,null,null,7,null,null,2,0,null,1,null,null,null,null,null,null,null,5,null,4,null,null,null,0,null,8,null,null,null,null,null,3,5],"solution":[5,4,1,7,6,8,2,0,3,3,7,6,0,1,2,5,4,8,8,2,0,4,5,3,6,7,1,7,3,8,6,2,1,0,5,4,6,5,4,8,7,0,3,1,2,0,1,2,5,3,4,7,8,6,2,0,3,1,8,5,4,6,7,1,6,5,3,4,7,8,2,0,4,8,7,2,0,6,1,3,5]}
-PUZZLE:
-_ _ _  _ 7 _  _ 1 _
-4 _ 7  _ _ _  _ 5 9
-_ _ _  _ 6 4  _ _ _
-
-_ _ _  _ 3 _  _ 6 5
-_ _ _  9 _ _  4 _ _
-1 2 _  _ _ _  8 _ _
-
-3 1 _  2 _ _  _ _ _
-_ _ 6  _ 5 _  _ _ 1
-_ 9 _  _ _ _  _ 4 6
-
-SOLUTION:
-6 5 2  8 7 9  3 1 4
-4 8 7  1 2 3  6 5 9
-9 3 1  5 6 4  7 8 2
-
-8 4 9  7 3 2  1 6 5
-7 6 5  9 8 1  4 2 3
-1 2 3  6 4 5  8 9 7
-
-3 1 4  2 9 6  5 7 8
-2 7 6  4 5 8  9 3 1
-5 9 8  3 1 7  2 4 6
-
-RATING: 2.75
-DATA:
-{"puzzle":[1,null,null,null,null,null,null,null,null,null,5,null,7,3,null,0,null,null,6,null,null,0,null,null,null,null,5,7,3,null,null,0,null,null,2,null,0,null,null,1,null,null,4,null,null,null,8,null,null,null,4,null,null,null,null,null,6,4,null,null,3,8,0,null,null,null,null,null,2,null,null,null,null,null,null,3,8,null,null,null,null],"solution":[1,4,0,2,5,6,8,3,7,8,5,2,7,3,1,0,6,4,6,7,3,0,4,8,2,1,5,7,3,4,8,0,5,1,2,6,0,6,5,1,2,3,4,7,8,2,8,1,6,7,4,5,0,3,5,2,6,4,1,7,3,8,0,3,0,8,5,6,2,7,4,1,4,1,7,3,8,0,6,5,2]}
-PUZZLE:
-2 _ _  _ _ _  _ _ _
-_ 6 _  8 4 _  1 _ _
-7 _ _  1 _ _  _ _ 6
-
-8 4 _  _ 1 _  _ 3 _
-1 _ _  2 _ _  5 _ _
-_ 9 _  _ _ 5  _ _ _
-
-_ _ 7  5 _ _  4 9 1
-_ _ _  _ _ 3  _ _ _
-_ _ _  4 9 _  _ _ _
-
-SOLUTION:
-2 5 1  3 6 7  9 4 8
-9 6 3  8 4 2  1 7 5
-7 8 4  1 5 9  3 2 6
-
-8 4 5  9 1 6  2 3 7
-1 7 6  2 3 4  5 8 9
-3 9 2  7 8 5  6 1 4
-
-6 3 7  5 2 8  4 9 1
-4 1 9  6 7 3  8 5 2
-5 2 8  4 9 1  7 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[4,null,2,0,null,null,5,null,null,null,null,null,null,null,5,null,7,3,null,null,6,null,7,null,null,null,null,null,null,null,null,null,null,null,null,0,2,5,null,null,null,0,3,null,null,null,null,null,1,5,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,4,null,null,null,1,0,null,7,0,null,2,6,null,null,null,null],"solution":[4,7,2,0,1,3,5,6,8,8,1,0,6,2,5,4,7,3,5,3,6,4,7,8,0,2,1,1,4,7,3,8,6,2,5,0,2,5,8,7,4,0,3,1,6,0,6,3,1,5,2,7,8,4,3,2,5,8,0,1,6,4,7,6,8,4,5,3,7,1,0,2,7,0,1,2,6,4,8,3,5]}
-PUZZLE:
-5 _ 3  1 _ _  6 _ _
-_ _ _  _ _ 6  _ 8 4
-_ _ 7  _ 8 _  _ _ _
-
-_ _ _  _ _ _  _ _ 1
-3 6 _  _ _ 1  4 _ _
-_ _ _  2 6 _  _ _ _
-
-_ 3 _  _ _ _  _ _ _
-_ _ 5  _ _ _  2 1 _
-8 1 _  3 7 _  _ _ _
-
-SOLUTION:
-5 8 3  1 2 4  6 7 9
-9 2 1  7 3 6  5 8 4
-6 4 7  5 8 9  1 3 2
-
-2 5 8  4 9 7  3 6 1
-3 6 9  8 5 1  4 2 7
-1 7 4  2 6 3  8 9 5
-
-4 3 6  9 1 2  7 5 8
-7 9 5  6 4 8  2 1 3
-8 1 2  3 7 5  9 4 6
-
-RATING: 2.75
-DATA:
-{"puzzle":[6,null,null,null,0,null,5,null,null,null,4,null,null,5,null,null,null,null,8,null,null,null,4,7,null,null,2,null,null,0,8,1,null,null,null,5,5,7,6,3,null,null,null,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,7,null,null,null,null,null,6,2,null,null,0,null,null,null,null,null,null,6,null],"solution":[6,2,7,1,0,3,5,4,8,3,4,1,2,5,8,7,0,6,8,0,5,6,4,7,1,3,2,2,3,0,8,1,4,6,7,5,5,7,6,3,2,0,4,8,1,4,1,8,7,6,5,0,2,3,1,6,4,0,3,2,8,5,7,7,5,3,4,8,6,2,1,0,0,8,2,5,7,1,3,6,4]}
-PUZZLE:
-7 _ _  _ 1 _  6 _ _
-_ 5 _  _ 6 _  _ _ _
-9 _ _  _ 5 8  _ _ 3
-
-_ _ 1  9 2 _  _ _ 6
-6 8 7  4 _ _  _ _ _
-_ 2 _  _ _ _  _ _ _
-
-_ _ _  _ 4 _  _ _ 8
-_ _ _  _ _ 7  3 _ _
-1 _ _  _ _ _  _ 7 _
-
-SOLUTION:
-7 3 8  2 1 4  6 5 9
-4 5 2  3 6 9  8 1 7
-9 1 6  7 5 8  2 4 3
-
-3 4 1  9 2 5  7 8 6
-6 8 7  4 3 1  5 9 2
-5 2 9  8 7 6  1 3 4
-
-2 7 5  1 4 3  9 6 8
-8 6 4  5 9 7  3 2 1
-1 9 3  6 8 2  4 7 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,0,null,null,null,2,7,null,6,null,null,4,1,null,7,null,null,null,null,null,null,0,null,null,6,null,null,1,null,null,6,null,null,3,null,null,7,null,0,null,null,6,null,2,4,null,5,2,null,null,null,null,null,null,null,7,6,null,null,null,null,null,3,null,null],"solution":[7,4,0,1,5,6,8,2,3,1,2,6,4,8,3,7,5,0,5,3,8,2,7,0,6,4,1,4,1,5,7,2,8,0,3,6,3,0,7,5,6,4,2,1,8,8,6,2,0,3,1,5,7,4,0,7,3,6,1,2,4,8,5,2,8,4,3,0,5,1,6,7,6,5,1,8,4,7,3,0,2]}
-PUZZLE:
-_ 5 _  _ _ _  _ _ _
-_ _ _  5 _ _  _ _ 1
-_ _ _  3 8 _  7 _ _
-
-5 2 _  8 _ _  _ _ _
-_ 1 _  _ 7 _  _ 2 _
-_ 7 _  _ 4 _  _ 8 _
-
-1 _ _  7 _ 3  5 _ 6
-3 _ _  _ _ _  _ _ 8
-7 _ _  _ _ _  4 _ _
-
-SOLUTION:
-8 5 1  2 6 7  9 3 4
-2 3 7  5 9 4  8 6 1
-6 4 9  3 8 1  7 5 2
-
-5 2 6  8 3 9  1 4 7
-4 1 8  6 7 5  3 2 9
-9 7 3  1 4 2  6 8 5
-
-1 8 4  7 2 3  5 9 6
-3 9 5  4 1 6  2 7 8
-7 6 2  9 5 8  4 1 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,8,null,null,null,null,null,null,null,null,3,2,1,null,null,null,1,null,null,null,6,null,null,0,null,null,null,null,null,null,null,5,null,null,6,null,null,5,7,null,8,null,null,0,null,null,null,null,6,null,3,null,null,1,0,null,null,8,null,null,0,null,null,null,null,null,null,4,2,7,5,null,null,null,null,null,null,null],"solution":[2,7,5,1,8,0,4,3,6,6,4,0,5,3,2,1,7,8,8,1,3,7,4,6,5,2,0,3,8,4,6,0,1,2,5,7,1,6,2,3,5,7,0,8,4,5,0,7,4,2,8,6,1,3,4,2,1,0,7,3,8,6,5,0,3,6,8,1,5,7,4,2,7,5,8,2,6,4,3,0,1]}
-PUZZLE:
-_ _ _  _ 9 _  _ _ _
-_ _ _  _ 4 3  2 _ _
-_ 2 _  _ _ 7  _ _ 1
-
-_ _ _  _ _ _  _ 6 _
-_ 7 _  _ 6 8  _ 9 _
-_ 1 _  _ _ _  7 _ 4
-
-_ _ 2  1 _ _  9 _ _
-1 _ _  _ _ _  _ 5 3
-8 6 _  _ _ _  _ _ _
-
-SOLUTION:
-3 8 6  2 9 1  5 4 7
-7 5 1  6 4 3  2 8 9
-9 2 4  8 5 7  6 3 1
-
-4 9 5  7 1 2  3 6 8
-2 7 3  4 6 8  1 9 5
-6 1 8  5 3 9  7 2 4
-
-5 3 2  1 8 4  9 7 6
-1 4 7  9 2 6  8 5 3
-8 6 9  3 7 5  4 1 2
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,4,3,1,null,null,2,8,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,0,null,3,8,null,null,null,null,null,null,4,null,null,null,3,1,0,null,5,0,null,null,null,8,null,null,6,4,null,7,0,null,null,8,null,null,null,null,null,null,1,null,5,null,null,null,null,null,null,null,2,null,5,null,null],"solution":[7,0,6,5,4,3,1,2,8,2,8,3,0,1,6,4,5,7,1,5,4,8,7,2,6,3,0,6,3,8,4,5,0,7,1,2,4,2,7,6,3,1,0,8,5,0,1,5,2,8,7,3,6,4,5,7,0,3,6,8,2,4,1,3,4,2,1,0,5,8,7,6,8,6,1,7,2,4,5,0,3]}
-PUZZLE:
-_ _ _  _ 5 4  2 _ _
-3 9 _  _ _ _  _ _ _
-_ _ _  _ _ _  7 _ 1
-
-_ 4 9  _ _ _  _ _ _
-5 _ _  _ 4 2  1 _ 6
-1 _ _  _ 9 _  _ 7 5
-
-_ 8 1  _ _ 9  _ _ _
-_ _ _  2 _ 6  _ _ _
-_ _ _  _ 3 _  6 _ _
-
-SOLUTION:
-8 1 7  6 5 4  2 3 9
-3 9 4  1 2 7  5 6 8
-2 6 5  9 8 3  7 4 1
-
-7 4 9  5 6 1  8 2 3
-5 3 8  7 4 2  1 9 6
-1 2 6  3 9 8  4 7 5
-
-6 8 1  4 7 9  3 5 2
-4 5 3  2 1 6  9 8 7
-9 7 2  8 3 5  6 1 4
-
-RATING: 3
-DATA:
-{"puzzle":[null,2,null,1,null,4,null,null,null,4,1,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,2,6,null,null,null,1,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,4,0,null,null,7,3,null,6,4,null,null,null,2,null,null,null,null,2,null,8,null,null,null,null,null,null,3,0,null,null,null,1,5],"solution":[0,2,8,1,7,4,3,5,6,4,1,6,2,3,5,0,8,7,7,3,5,8,6,0,1,4,2,6,4,7,3,1,8,5,2,0,3,8,0,5,2,7,4,6,1,2,5,1,4,0,6,8,7,3,1,6,4,7,5,3,2,0,8,5,0,2,6,8,1,7,3,4,8,7,3,0,4,2,6,1,5]}
-PUZZLE:
-_ 3 _  2 _ 5  _ _ _
-5 2 _  _ _ 6  _ _ _
-_ _ _  _ _ _  _ _ 3
-
-7 _ _  _ 2 _  _ _ _
-_ 9 _  _ _ _  _ _ _
-_ _ _  5 1 _  _ 8 4
-
-_ 7 5  _ _ _  3 _ _
-_ _ 3  _ 9 _  _ _ _
-_ _ 4  1 _ _  _ 2 6
-
-SOLUTION:
-1 3 9  2 8 5  4 6 7
-5 2 7  3 4 6  1 9 8
-8 4 6  9 7 1  2 5 3
-
-7 5 8  4 2 9  6 3 1
-4 9 1  6 3 8  5 7 2
-3 6 2  5 1 7  9 8 4
-
-2 7 5  8 6 4  3 1 9
-6 1 3  7 9 2  8 4 5
-9 8 4  1 5 3  7 2 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,4,5,null,null,null,null,8,6,3,1,null,2,2,null,null,3,null,8,null,0,null,null,null,6,4,0,null,null,null,null,null,4,null,null,null,null,null,null,null,4,6,null,null,null,null,3,null,null,null,null,8,null,null,null,7,1,null,3,1,null,null,null,5,null,null,6],"solution":[1,8,2,5,4,7,0,6,3,6,7,3,1,2,0,4,5,8,5,0,4,8,6,3,1,7,2,2,5,1,3,7,8,6,0,4,8,3,6,4,0,1,5,2,7,7,4,0,2,5,6,8,3,1,4,6,5,7,1,2,3,8,0,0,2,8,6,3,4,7,1,5,3,1,7,0,8,5,2,4,6]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ _ _  2 _ _  5 6 _
-_ _ _  9 7 4  2 _ 3
-
-3 _ _  4 _ 9  _ 1 _
-_ _ 7  5 1 _  _ _ _
-_ 5 _  _ _ _  _ _ _
-
-5 7 _  _ _ _  4 _ _
-_ _ 9  _ _ _  8 2 _
-4 2 _  _ _ 6  _ _ 7
-
-SOLUTION:
-2 9 3  6 5 8  1 7 4
-7 8 4  2 3 1  5 6 9
-6 1 5  9 7 4  2 8 3
-
-3 6 2  4 8 9  7 1 5
-9 4 7  5 1 2  6 3 8
-8 5 1  3 6 7  9 4 2
-
-5 7 6  8 2 3  4 9 1
-1 3 9  7 4 5  8 2 6
-4 2 8  1 9 6  3 5 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,1,null,null,null,8,null,2,null,5,null,8,null,0,null,null,null,1,null,null,null,6,null,null,null,null,null,8,null,0,null,null,null,5,null,4,7,5,null,null,null,null,null,3,null,null,null,4,null,8,null,1,null,null,null,null,null,null,null,5,2,null,3,null,2,null,null,null,7,null,null,null,1,0,null,null,null,null,null,null,null],"solution":[3,1,6,7,5,8,4,2,0,5,4,8,3,0,2,6,7,1,0,7,2,6,1,4,3,5,8,8,3,0,2,7,1,5,6,4,7,5,1,4,6,0,8,3,2,2,6,4,5,8,3,1,0,7,6,8,7,0,4,5,2,1,3,4,2,5,1,3,7,0,8,6,1,0,3,8,2,6,7,4,5]}
-PUZZLE:
-_ 2 _  _ _ 9  _ 3 _
-6 _ 9  _ 1 _  _ _ 2
-_ _ _  7 _ _  _ _ _
-
-9 _ 1  _ _ _  6 _ 5
-8 6 _  _ _ _  _ 4 _
-_ _ 5  _ 9 _  2 _ _
-
-_ _ _  _ _ 6  3 _ 4
-_ 3 _  _ _ 8  _ _ _
-2 1 _  _ _ _  _ _ _
-
-SOLUTION:
-4 2 7  8 6 9  5 3 1
-6 5 9  4 1 3  7 8 2
-1 8 3  7 2 5  4 6 9
-
-9 4 1  3 8 2  6 7 5
-8 6 2  5 7 1  9 4 3
-3 7 5  6 9 4  2 1 8
-
-7 9 8  1 5 6  3 2 4
-5 3 6  2 4 8  1 9 7
-2 1 4  9 3 7  8 5 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[4,null,1,3,null,null,null,null,2,null,null,null,null,5,null,null,null,7,6,5,null,null,null,null,1,null,8,null,4,null,8,null,null,null,null,null,null,null,5,null,null,6,7,2,null,null,null,null,null,null,null,null,null,null,null,null,null,2,3,null,null,0,null,null,null,null,null,null,null,null,null,4,8,7,null,null,null,null,null,null,null],"solution":[4,0,1,3,7,8,5,6,2,2,3,8,6,5,1,0,4,7,6,5,7,0,4,2,1,3,8,7,4,2,8,0,5,3,1,6,3,8,5,4,1,6,7,2,0,0,1,6,7,2,3,4,8,5,5,6,4,2,3,7,8,0,1,1,2,3,5,8,0,6,7,4,8,7,0,1,6,4,2,5,3]}
-PUZZLE:
-5 _ 2  4 _ _  _ _ 3
-_ _ _  _ 6 _  _ _ 8
-7 6 _  _ _ _  2 _ 9
-
-_ 5 _  9 _ _  _ _ _
-_ _ 6  _ _ 7  8 3 _
-_ _ _  _ _ _  _ _ _
-
-_ _ _  3 4 _  _ 1 _
-_ _ _  _ _ _  _ _ 5
-9 8 _  _ _ _  _ _ _
-
-SOLUTION:
-5 1 2  4 8 9  6 7 3
-3 4 9  7 6 2  1 5 8
-7 6 8  1 5 3  2 4 9
-
-8 5 3  9 1 6  4 2 7
-4 9 6  5 2 7  8 3 1
-1 2 7  8 3 4  5 9 6
-
-6 7 5  3 4 8  9 1 2
-2 3 4  6 9 1  7 8 5
-9 8 1  2 7 5  3 6 4
-
-RATING: 2.5
-DATA:
-{"puzzle":[8,5,null,6,null,null,7,3,null,null,7,null,8,null,null,null,null,null,4,null,3,null,null,null,5,null,8,null,null,0,null,null,null,null,null,null,null,null,null,2,0,null,null,7,null,null,null,4,null,null,8,null,null,1,null,2,null,4,null,null,6,null,null,0,3,null,null,null,null,null,null,4,null,null,null,null,null,2,null,5,null],"solution":[8,5,1,6,4,0,7,3,2,6,7,2,8,3,5,1,4,0,4,0,3,1,2,7,5,6,8,2,1,0,7,6,4,3,8,5,3,8,5,2,0,1,4,7,6,7,6,4,3,5,8,0,2,1,5,2,8,4,1,3,6,0,7,0,3,7,5,8,6,2,1,4,1,4,6,0,7,2,8,5,3]}
-PUZZLE:
-9 6 _  7 _ _  8 4 _
-_ 8 _  9 _ _  _ _ _
-5 _ 4  _ _ _  6 _ 9
-
-_ _ 1  _ _ _  _ _ _
-_ _ _  3 1 _  _ 8 _
-_ _ 5  _ _ 9  _ _ 2
-
-_ 3 _  5 _ _  7 _ _
-1 4 _  _ _ _  _ _ 5
-_ _ _  _ _ 3  _ 6 _
-
-SOLUTION:
-9 6 2  7 5 1  8 4 3
-7 8 3  9 4 6  2 5 1
-5 1 4  2 3 8  6 7 9
-
-3 2 1  8 7 5  4 9 6
-4 9 6  3 1 2  5 8 7
-8 7 5  4 6 9  1 3 2
-
-6 3 9  5 2 4  7 1 8
-1 4 8  6 9 7  3 2 5
-2 5 7  1 8 3  9 6 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,4,null,null,null,7,null,null,null,null,null,5,null,null,null,0,8,null,null,6,null,null,7,3,null,null,null,7,5,0,null,null,null,null,null,8,null,1,null,null,null,4,null,null,4,null,null,1,7,null,8,null,3,null,null,null,null,null,5,null,null,null,null,null,8,null,null,null,null,null,4,null,2,null,null,0,3,null,null,null],"solution":[2,8,4,6,3,0,7,1,5,7,1,3,5,2,4,6,0,8,0,5,6,8,1,7,3,4,2,3,7,5,0,4,8,2,6,1,8,6,1,3,5,2,4,7,0,4,0,2,1,7,6,8,5,3,6,4,0,2,8,5,1,3,7,5,3,8,7,6,1,0,2,4,1,2,7,4,0,3,5,8,6]}
-PUZZLE:
-_ _ 5  _ _ _  8 _ _
-_ _ _  6 _ _  _ 1 9
-_ _ 7  _ _ 8  4 _ _
-
-_ 8 6  1 _ _  _ _ _
-9 _ 2  _ _ _  5 _ _
-5 _ _  2 8 _  9 _ 4
-
-_ _ _  _ _ 6  _ _ _
-_ _ 9  _ _ _  _ _ 5
-_ 3 _  _ 1 4  _ _ _
-
-SOLUTION:
-3 9 5  7 4 1  8 2 6
-8 2 4  6 3 5  7 1 9
-1 6 7  9 2 8  4 5 3
-
-4 8 6  1 5 9  3 7 2
-9 7 2  4 6 3  5 8 1
-5 1 3  2 8 7  9 6 4
-
-7 5 1  3 9 6  2 4 8
-6 4 9  8 7 2  1 3 5
-2 3 8  5 1 4  6 9 7
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,7,null,3,null,null,4,null,null,null,null,2,null,6,null,null,7,5,null,null,1,8,null,4,null,null,null,null,8,null,null,0,5,2,6,null,null,null,3,null,null,null,7,null,null,null,null,null,6,null,2,null,null,null,0,null,null,null,null,null,null,8,null,null,2,null,null,3,null,null,null,4,null,null,0,null],"solution":[2,1,5,4,0,8,7,6,3,7,8,4,3,1,6,5,2,0,6,0,3,7,5,2,4,1,8,1,4,6,0,3,5,8,7,2,0,5,2,6,8,7,1,3,4,8,3,7,1,2,4,0,5,6,4,2,1,5,6,0,3,8,7,5,6,0,8,7,3,2,4,1,3,7,8,2,4,1,6,0,5]}
-PUZZLE:
-_ _ _  _ _ _  8 _ 4
-_ _ 5  _ _ _  _ 3 _
-7 _ _  8 6 _  _ 2 9
-
-_ 5 _  _ _ _  9 _ _
-1 6 3  7 _ _  _ 4 _
-_ _ 8  _ _ _  _ _ 7
-
-_ 3 _  _ _ 1  _ _ _
-_ _ _  9 _ _  3 _ _
-4 _ _  _ 5 _  _ 1 _
-
-SOLUTION:
-3 2 6  5 1 9  8 7 4
-8 9 5  4 2 7  6 3 1
-7 1 4  8 6 3  5 2 9
-
-2 5 7  1 4 6  9 8 3
-1 6 3  7 9 8  2 4 5
-9 4 8  2 3 5  1 6 7
-
-5 3 2  6 7 1  4 9 8
-6 7 1  9 8 4  3 5 2
-4 8 9  3 5 2  7 1 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,8,1,null,null,null,5,null,null,null,null,null,2,4,null,null,8,2,null,6,null,null,3,null,null,null,0,null,null,null,null,null,null,3,5,null,7,null,null,null,5,4,null,null,null,null,null,null,null,null,null,null,null,6,null,1,null,0,null,null,null,null,null,null,4,8,3,null,null,null,null,null,null,null,null,null,null,null,1,7],"solution":[4,3,8,1,7,0,2,5,6,5,1,7,6,2,4,3,0,8,2,0,6,5,8,3,1,7,4,0,4,2,7,1,8,6,3,5,8,7,3,0,6,5,4,2,1,1,6,5,3,4,2,7,8,0,6,8,1,2,0,7,5,4,3,7,5,4,8,3,1,0,6,2,3,2,0,4,5,6,8,1,7]}
-PUZZLE:
-_ _ 9  2 _ _  _ 6 _
-_ _ _  _ 3 5  _ _ 9
-3 _ 7  _ _ 4  _ _ _
-
-1 _ _  _ _ _  _ 4 6
-_ 8 _  _ _ 6  5 _ _
-_ _ _  _ _ _  _ _ _
-
-7 _ 2  _ 1 _  _ _ _
-_ _ 5  9 4 _  _ _ _
-_ _ _  _ _ _  _ 2 8
-
-SOLUTION:
-5 4 9  2 8 1  3 6 7
-6 2 8  7 3 5  4 1 9
-3 1 7  6 9 4  2 8 5
-
-1 5 3  8 2 9  7 4 6
-9 8 4  1 7 6  5 3 2
-2 7 6  4 5 3  8 9 1
-
-7 9 2  3 1 8  6 5 4
-8 6 5  9 4 2  1 7 3
-4 3 1  5 6 7  9 2 8
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,7,6,null,null,4,5,null,7,null,null,null,2,null,null,3,6,null,null,null,null,null,null,null,4,null,null,null,8,0,null,1,null,7,null,8,null,null,null,null,null,7,null,3,null,null,4,null,null,null,null,null,8,null,0,6,null,null,2,null,null,null,null,4,null,null,null,null,null,null,null,3,null,5,null],"solution":[5,3,1,8,4,0,2,7,6,6,0,4,5,2,7,3,1,8,2,7,8,3,6,1,5,0,4,3,6,2,4,1,5,7,8,0,4,1,5,7,0,8,6,2,3,0,8,7,6,3,2,1,4,5,7,5,3,2,8,4,0,6,1,8,2,0,1,5,6,4,3,7,1,4,6,0,7,3,8,5,2]}
-PUZZLE:
-_ _ _  _ _ 1  _ 8 7
-_ _ 5  6 _ 8  _ _ _
-3 _ _  4 7 _  _ _ _
-
-_ _ _  5 _ _  _ 9 1
-_ 2 _  8 _ 9  _ _ _
-_ _ 8  _ 4 _  _ 5 _
-
-_ _ _  _ 9 _  1 7 _
-_ 3 _  _ _ _  5 _ _
-_ _ _  _ _ 4  _ 6 _
-
-SOLUTION:
-6 4 2  9 5 1  3 8 7
-7 1 5  6 3 8  4 2 9
-3 8 9  4 7 2  6 1 5
-
-4 7 3  5 2 6  8 9 1
-5 2 6  8 1 9  7 3 4
-1 9 8  7 4 3  2 5 6
-
-8 6 4  3 9 5  1 7 2
-9 3 1  2 6 7  5 4 8
-2 5 7  1 8 4  9 6 3
-
-RATING: 0
-DATA:
-{"puzzle":[2,3,null,null,null,null,null,4,null,null,null,5,null,null,null,null,null,3,null,1,null,null,6,2,null,null,null,null,null,null,1,3,null,null,null,6,null,null,null,4,null,0,null,null,null,null,null,null,null,null,null,null,0,8,null,2,0,null,null,null,6,null,null,null,null,1,null,null,null,null,null,2,5,null,null,7,null,null,null,8,null],"solution":[2,3,6,0,5,7,8,4,1,0,7,5,8,4,1,2,6,3,4,1,8,3,6,2,0,7,5,8,0,7,1,3,5,4,2,6,6,5,2,4,8,0,3,1,7,1,4,3,2,7,6,5,0,8,7,2,0,5,1,8,6,3,4,3,8,1,6,0,4,7,5,2,5,6,4,7,2,3,1,8,0]}
-PUZZLE:
-3 4 _  _ _ _  _ 5 _
-_ _ 6  _ _ _  _ _ 4
-_ 2 _  _ 7 3  _ _ _
-
-_ _ _  2 4 _  _ _ 7
-_ _ _  5 _ 1  _ _ _
-_ _ _  _ _ _  _ 1 9
-
-_ 3 1  _ _ _  7 _ _
-_ _ 2  _ _ _  _ _ 3
-6 _ _  8 _ _  _ 9 _
-
-SOLUTION:
-3 4 7  1 6 8  9 5 2
-1 8 6  9 5 2  3 7 4
-5 2 9  4 7 3  1 8 6
-
-9 1 8  2 4 6  5 3 7
-7 6 3  5 9 1  4 2 8
-2 5 4  3 8 7  6 1 9
-
-8 3 1  6 2 9  7 4 5
-4 9 2  7 1 5  8 6 3
-6 7 5  8 3 4  2 9 1
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,1,null,8,null,null,null,null,null,null,null,null,5,null,null,4,7,null,null,7,null,null,null,4,null,3,null,null,0,null,null,null,null,null,null,2,6,null,null,null,null,null,null,null,null,null,null,null,1,null,2,null,4,8,null,null,6,null,null,null,null,null,null,null,2,null,null,1,null,6,null,7,null,null,null,4,8,null,null,0,null],"solution":[3,1,4,8,7,0,5,2,6,2,6,8,5,3,1,4,7,0,5,7,0,6,2,4,8,3,1,8,0,1,3,4,5,7,6,2,6,4,2,7,0,8,1,5,3,7,5,3,1,6,2,0,4,8,0,8,6,2,5,7,3,1,4,4,2,5,0,1,3,6,8,7,1,3,7,4,8,6,2,0,5]}
-PUZZLE:
-_ 2 _  9 _ _  _ _ _
-_ _ _  6 _ _  5 8 _
-_ 8 _  _ _ 5  _ 4 _
-
-_ 1 _  _ _ _  _ _ 3
-7 _ _  _ _ _  _ _ _
-_ _ _  2 _ 3  _ 5 9
-
-_ _ 7  _ _ _  _ _ _
-_ 3 _  _ 2 _  7 _ 8
-_ _ _  5 9 _  _ 1 _
-
-SOLUTION:
-4 2 5  9 8 1  6 3 7
-3 7 9  6 4 2  5 8 1
-6 8 1  7 3 5  9 4 2
-
-9 1 2  4 5 6  8 7 3
-7 5 3  8 1 9  2 6 4
-8 6 4  2 7 3  1 5 9
-
-1 9 7  3 6 8  4 2 5
-5 3 6  1 2 4  7 9 8
-2 4 8  5 9 7  3 1 6
-
-RATING: 1
-DATA:
-{"puzzle":[8,null,null,6,null,null,null,null,null,null,4,null,null,0,null,null,null,null,null,null,5,1,3,null,null,4,null,1,null,8,null,null,null,null,null,6,null,null,null,null,null,null,5,1,null,2,null,null,null,5,null,null,null,8,null,null,null,null,null,7,2,null,null,null,null,2,5,null,8,6,null,null,null,null,null,null,null,null,null,null,4],"solution":[8,2,1,6,7,4,0,3,5,3,4,7,8,0,5,1,6,2,6,0,5,1,3,2,8,4,7,1,5,8,7,4,0,3,2,6,7,3,4,2,8,6,5,1,0,2,6,0,3,5,1,4,7,8,0,8,3,4,6,7,2,5,1,4,7,2,5,1,8,6,0,3,5,1,6,0,2,3,7,8,4]}
-PUZZLE:
-9 _ _  7 _ _  _ _ _
-_ 5 _  _ 1 _  _ _ _
-_ _ 6  2 4 _  _ 5 _
-
-2 _ 9  _ _ _  _ _ 7
-_ _ _  _ _ _  6 2 _
-3 _ _  _ 6 _  _ _ 9
-
-_ _ _  _ _ 8  3 _ _
-_ _ 3  6 _ 9  7 _ _
-_ _ _  _ _ _  _ _ 5
-
-SOLUTION:
-9 3 2  7 8 5  1 4 6
-4 5 8  9 1 6  2 7 3
-7 1 6  2 4 3  9 5 8
-
-2 6 9  8 5 1  4 3 7
-8 4 5  3 9 7  6 2 1
-3 7 1  4 6 2  5 8 9
-
-1 9 4  5 7 8  3 6 2
-5 8 3  6 2 9  7 1 4
-6 2 7  1 3 4  8 9 5
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,4,null,null,2,0,null,null,null,2,null,1,null,8,3,null,6,null,null,null,null,null,null,4,null,null,null,null,6,null,7,null,null,null,4,null,null,8,null,2,3,6,null,7,3,null,null,5,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,8,null,null,1,null,1,0,2,null,null,null,null,null,null],"solution":[6,7,4,3,5,2,0,8,1,5,2,0,1,4,8,3,7,6,8,3,1,0,6,7,4,2,5,2,5,6,8,7,0,1,3,4,0,1,8,4,2,3,6,5,7,3,4,7,5,1,6,8,0,2,7,8,5,6,0,1,2,4,3,4,6,3,2,8,5,7,1,0,1,0,2,7,3,4,5,6,8]}
-PUZZLE:
-_ _ 5  _ _ 3  1 _ _
-_ 3 _  2 _ 9  4 _ 7
-_ _ _  _ _ _  5 _ _
-
-_ _ 7  _ 8 _  _ _ 5
-_ _ 9  _ 3 4  7 _ 8
-4 _ _  6 _ _  _ _ _
-
-_ _ _  7 _ _  _ _ _
-_ _ _  _ 9 _  _ 2 _
-2 1 3  _ _ _  _ _ _
-
-SOLUTION:
-7 8 5  4 6 3  1 9 2
-6 3 1  2 5 9  4 8 7
-9 4 2  1 7 8  5 3 6
-
-3 6 7  9 8 1  2 4 5
-1 2 9  5 3 4  7 6 8
-4 5 8  6 2 7  9 1 3
-
-8 9 6  7 1 2  3 5 4
-5 7 4  3 9 6  8 2 1
-2 1 3  8 4 5  6 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,null,null,null,null,null,null,null,7,1,null,null,null,3,2,null,null,5,null,null,null,null,null,7,1,null,null,null,null,null,3,4,6,null,null,2,4,null,0,null,null,null,null,null,null,7,6,4,null,null,null,null,null,null,null,null,null,8,5,null,null,null,6,null,0,3,null,null,8,null,null,null,null,null,2,null,null,null,null],"solution":[2,3,8,1,7,0,6,4,5,0,7,1,4,5,6,3,2,8,4,5,6,3,8,2,0,7,1,5,8,0,2,1,3,4,6,7,6,2,4,8,0,7,1,5,3,3,1,7,6,4,5,8,0,2,1,4,2,7,6,8,5,3,0,7,6,5,0,3,1,2,8,4,8,0,3,5,2,4,7,1,6]}
-PUZZLE:
-_ _ 9  _ _ _  _ _ _
-_ 8 2  _ _ _  4 3 _
-_ 6 _  _ _ _  _ 8 2
-
-_ _ _  _ _ 4  5 7 _
-_ 3 5  _ 1 _  _ _ _
-_ _ 8  7 5 _  _ _ _
-
-_ _ _  _ _ 9  6 _ _
-_ 7 _  1 4 _  _ 9 _
-_ _ _  _ 3 _  _ _ _
-
-SOLUTION:
-3 4 9  2 8 1  7 5 6
-1 8 2  5 6 7  4 3 9
-5 6 7  4 9 3  1 8 2
-
-6 9 1  3 2 4  5 7 8
-7 3 5  9 1 8  2 6 4
-4 2 8  7 5 6  9 1 3
-
-2 5 3  8 7 9  6 4 1
-8 7 6  1 4 2  3 9 5
-9 1 4  6 3 5  8 2 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,8,2,null,null,null,4,null,1,null,null,3,null,null,null,null,null,2,null,null,null,null,null,6,5,null,null,null,4,7,null,null,3,null,null,null,0,null,1,null,null,null,null,null,8,null,null,null,null,null,null,3,5,null,null,null,null,null,4,null,null,7,null,null,null,4,8,2,null,null,null,6,null,null,null,null,null,null,2,null,null],"solution":[7,8,2,5,3,0,4,6,1,6,5,3,4,1,8,7,0,2,4,1,0,2,7,6,5,8,3,5,4,7,6,8,3,1,2,0,0,3,1,7,5,2,6,4,8,2,6,8,1,0,4,3,5,7,3,2,6,0,4,1,8,7,5,1,7,4,8,2,5,0,3,6,8,0,5,3,6,7,2,1,4]}
-PUZZLE:
-_ 9 3  _ _ _  5 _ 2
-_ _ 4  _ _ _  _ _ 3
-_ _ _  _ _ 7  6 _ _
-
-_ 5 8  _ _ 4  _ _ _
-1 _ 2  _ _ _  _ _ 9
-_ _ _  _ _ _  4 6 _
-
-_ _ _  _ 5 _  _ 8 _
-_ _ 5  9 3 _  _ _ 7
-_ _ _  _ _ _  3 _ _
-
-SOLUTION:
-8 9 3  6 4 1  5 7 2
-7 6 4  5 2 9  8 1 3
-5 2 1  3 8 7  6 9 4
-
-6 5 8  7 9 4  2 3 1
-1 4 2  8 6 3  7 5 9
-3 7 9  2 1 5  4 6 8
-
-4 3 7  1 5 2  9 8 6
-2 8 5  9 3 6  1 4 7
-9 1 6  4 7 8  3 2 5
-
-RATING: 0
-DATA:
-{"puzzle":[0,null,null,null,null,null,null,null,7,null,null,2,null,6,7,1,3,null,null,3,null,null,1,null,null,8,null,null,null,null,3,null,null,5,2,null,null,null,null,null,2,null,null,null,null,null,8,0,null,null,null,null,null,null,null,null,null,null,null,null,null,6,1,3,null,6,null,null,null,null,null,null,5,0,null,null,null,null,null,null,8],"solution":[0,6,1,2,8,3,4,5,7,8,4,2,5,6,7,1,3,0,7,3,5,4,1,0,6,8,2,1,7,4,3,0,8,5,2,6,6,5,3,7,2,1,8,0,4,2,8,0,6,5,4,7,1,3,4,2,8,0,7,5,3,6,1,3,1,6,8,4,2,0,7,5,5,0,7,1,3,6,2,4,8]}
-PUZZLE:
-1 _ _  _ _ _  _ _ 8
-_ _ 3  _ 7 8  2 4 _
-_ 4 _  _ 2 _  _ 9 _
-
-_ _ _  4 _ _  6 3 _
-_ _ _  _ 3 _  _ _ _
-_ 9 1  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ 7 2
-4 _ 7  _ _ _  _ _ _
-6 1 _  _ _ _  _ _ 9
-
-SOLUTION:
-1 7 2  3 9 4  5 6 8
-9 5 3  6 7 8  2 4 1
-8 4 6  5 2 1  7 9 3
-
-2 8 5  4 1 9  6 3 7
-7 6 4  8 3 2  9 1 5
-3 9 1  7 6 5  8 2 4
-
-5 3 9  1 8 6  4 7 2
-4 2 7  9 5 3  1 8 6
-6 1 8  2 4 7  3 5 9
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,1,null,null,null,null,null,null,null,null,0,null,null,5,null,7,null,null,null,4,null,1,null,null,5,0,null,6,null,null,7,null,null,1,4,8,null,null,null,8,null,4,null,null,null,null,null,null,null,null,null,6,null,null,null,3,2,null,null,6,null,1,null,null,null,null,2,null,null,null,null,null,null,5,0,null,4,null,null,7,null],"solution":[5,1,3,6,0,7,8,2,4,2,0,8,4,5,3,7,6,1,7,4,6,1,8,2,5,0,3,6,2,5,7,3,0,1,4,8,3,7,1,8,6,4,0,5,2,0,8,4,5,2,1,6,3,7,8,3,2,0,7,6,4,1,5,4,6,7,2,1,5,3,8,0,1,5,0,3,4,8,2,7,6]}
-PUZZLE:
-_ 2 _  _ _ _  _ _ _
-_ 1 _  _ 6 _  8 _ _
-_ 5 _  2 _ _  6 1 _
-
-7 _ _  8 _ _  2 5 9
-_ _ _  9 _ 5  _ _ _
-_ _ _  _ _ _  7 _ _
-
-_ 4 3  _ _ 7  _ 2 _
-_ _ _  3 _ _  _ _ _
-_ 6 1  _ 5 _  _ 8 _
-
-SOLUTION:
-6 2 4  7 1 8  9 3 5
-3 1 9  5 6 4  8 7 2
-8 5 7  2 9 3  6 1 4
-
-7 3 6  8 4 1  2 5 9
-4 8 2  9 7 5  1 6 3
-1 9 5  6 3 2  7 4 8
-
-9 4 3  1 8 7  5 2 6
-5 7 8  3 2 6  4 9 1
-2 6 1  4 5 9  3 8 7
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,1,8,6,0,null,2,null,null,null,null,4,null,null,null,null,null,1,2,null,null,null,5,null,null,null,null,null,4,null,5,null,null,null,null,0,3,null,null,null,null,null,7,6,null,6,null,7,null,8,null,null,null,null,null,null,null,null,1,null,null,null,8,null,null,null,null,null,null,null,3,null,8,null,null,null,null,null,null,5,6],"solution":[7,1,8,6,0,3,2,4,5,5,3,4,2,7,8,6,0,1,2,6,0,4,5,1,8,7,3,1,4,2,5,6,7,3,8,0,3,8,5,1,2,0,7,6,4,6,0,7,3,8,4,5,1,2,4,5,3,7,1,6,0,2,8,0,2,6,8,4,5,1,3,7,8,7,1,0,3,2,4,5,6]}
-PUZZLE:
-_ 2 9  7 1 _  3 _ _
-_ _ 5  _ _ _  _ _ 2
-3 _ _  _ 6 _  _ _ _
-
-_ 5 _  6 _ _  _ _ 1
-4 _ _  _ _ _  8 7 _
-7 _ 8  _ 9 _  _ _ _
-
-_ _ _  _ 2 _  _ _ 9
-_ _ _  _ _ _  _ 4 _
-9 _ _  _ _ _  _ 6 7
-
-SOLUTION:
-8 2 9  7 1 4  3 5 6
-6 4 5  3 8 9  7 1 2
-3 7 1  5 6 2  9 8 4
-
-2 5 3  6 7 8  4 9 1
-4 9 6  2 3 1  8 7 5
-7 1 8  4 9 5  6 2 3
-
-5 6 4  8 2 7  1 3 9
-1 3 7  9 5 6  2 4 8
-9 8 2  1 4 3  5 6 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,1,null,null,null,null,null,null,null,2,null,null,null,null,4,null,1,null,null,null,null,5,null,0,null,null,7,null,null,null,null,1,null,null,4,2,null,null,2,null,7,null,null,null,4,null,5,3,null,null,null,8,null,5,null,null,null,null,null,5,null,null,null,null,null,null,null,5,6,null,null,null,0,4],"solution":[5,7,3,8,2,6,0,4,1,1,4,0,3,7,5,6,2,8,8,6,2,4,0,1,3,5,7,4,5,8,0,6,2,7,1,3,6,3,1,7,5,4,2,8,0,2,0,7,1,3,8,4,6,5,3,1,4,2,8,0,5,7,6,0,8,6,5,4,7,1,3,2,7,2,5,6,1,3,8,0,4]}
-PUZZLE:
-_ _ _  _ 3 _  _ _ 2
-_ _ _  _ _ _  _ 3 _
-_ _ _  5 _ 2  _ _ _
-
-_ 6 _  1 _ _  8 _ _
-_ _ 2  _ _ 5  3 _ _
-3 _ 8  _ _ _  5 _ 6
-
-4 _ _  _ 9 _  6 _ _
-_ _ _  6 _ _  _ _ _
-_ _ 6  7 _ _  _ 1 5
-
-SOLUTION:
-6 8 4  9 3 7  1 5 2
-2 5 1  4 8 6  7 3 9
-9 7 3  5 1 2  4 6 8
-
-5 6 9  1 7 3  8 2 4
-7 4 2  8 6 5  3 9 1
-3 1 8  2 4 9  5 7 6
-
-4 2 5  3 9 1  6 8 7
-1 9 7  6 5 8  2 4 3
-8 3 6  7 2 4  9 1 5
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,8,null,null,4,null,6,3,null,null,7,4,null,null,1,null,null,null,null,null,null,1,null,null,3,null,null,3,null,null,8,null,null,5,4,null,null,null,null,null,7,null,null,null,null,5,3,0,null,null,null,null,6,null,7,null,null,4,3,null,null,null,8,1,null,null,2,null,null,null,null,null,null,null,7,null,null,6,8],"solution":[1,7,2,8,5,3,4,0,6,3,5,6,7,4,0,8,1,2,8,4,0,2,6,1,5,7,3,7,0,3,4,1,8,6,2,5,4,1,8,5,2,6,7,3,0,2,6,5,3,0,7,1,8,4,6,2,7,0,8,4,3,5,1,5,8,1,6,3,2,0,4,7,0,3,4,1,7,5,2,6,8]}
-PUZZLE:
-_ _ _  9 _ _  5 _ 7
-4 _ _  8 5 _  _ 2 _
-_ _ _  _ _ 2  _ _ 4
-
-_ _ 4  _ _ 9  _ _ 6
-5 _ _  _ _ _  8 _ _
-_ _ 6  4 1 _  _ _ _
-
-7 _ 8  _ _ 5  4 _ _
-_ 9 2  _ _ 3  _ _ _
-_ _ _  _ 8 _  _ 7 9
-
-SOLUTION:
-2 8 3  9 6 4  5 1 7
-4 6 7  8 5 1  9 2 3
-9 5 1  3 7 2  6 8 4
-
-8 1 4  5 2 9  7 3 6
-5 2 9  6 3 7  8 4 1
-3 7 6  4 1 8  2 9 5
-
-7 3 8  1 9 5  4 6 2
-6 9 2  7 4 3  1 5 8
-1 4 5  2 8 6  3 7 9
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,0,6,null,null,null,null,null,4,2,null,null,7,null,null,null,null,2,null,null,null,null,3,5,null,null,null,null,2,null,8,null,0,null,null,5,null,4,null,null,null,1,null,null,null,0,6,1,null,null,4,null,1,6,null,5,3,null,null,null,null,7,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,3],"solution":[7,5,3,8,0,6,4,1,2,1,6,4,2,3,5,7,0,8,0,8,2,7,1,4,6,3,5,4,3,1,5,2,7,8,6,0,6,0,5,3,4,8,2,7,1,8,2,7,0,6,1,3,5,4,2,1,6,4,5,3,0,8,7,3,7,0,1,8,2,5,4,6,5,4,8,6,7,0,1,2,3]}
-PUZZLE:
-_ _ _  _ 1 7  _ _ _
-_ _ 5  3 _ _  8 _ _
-_ _ 3  _ _ _  _ 4 6
-
-_ _ _  _ 3 _  9 _ 1
-_ _ 6  _ 5 _  _ _ 2
-_ _ _  1 7 2  _ _ 5
-
-_ 2 7  _ 6 4  _ _ _
-_ 8 1  _ _ _  _ _ _
-_ _ _  _ _ _  _ _ 4
-
-SOLUTION:
-8 6 4  9 1 7  5 2 3
-2 7 5  3 4 6  8 1 9
-1 9 3  8 2 5  7 4 6
-
-5 4 2  6 3 8  9 7 1
-7 1 6  4 5 9  3 8 2
-9 3 8  1 7 2  4 6 5
-
-3 2 7  5 6 4  1 9 8
-4 8 1  2 9 3  6 5 7
-6 5 9  7 8 1  2 3 4
-
-RATING: 2.75
-DATA:
-{"puzzle":[4,null,null,null,null,null,0,6,null,null,null,null,null,null,7,null,5,3,3,8,null,6,null,null,null,null,null,null,3,8,1,2,null,null,null,null,null,0,null,null,5,null,6,null,null,null,5,2,null,null,null,null,null,null,null,7,null,5,null,0,8,null,null,null,null,null,2,4,null,null,3,null,null,null,null,null,null,null,null,null,2],"solution":[4,2,7,3,1,5,0,6,8,0,1,6,4,8,7,2,5,3,3,8,5,6,0,2,4,1,7,6,3,8,1,2,4,5,7,0,7,0,4,8,5,3,6,2,1,1,5,2,0,7,6,3,8,4,2,7,1,5,3,0,8,4,6,8,6,0,2,4,1,7,3,5,5,4,3,7,6,8,1,0,2]}
-PUZZLE:
-5 _ _  _ _ _  1 7 _
-_ _ _  _ _ 8  _ 6 4
-4 9 _  7 _ _  _ _ _
-
-_ 4 9  2 3 _  _ _ _
-_ 1 _  _ 6 _  7 _ _
-_ 6 3  _ _ _  _ _ _
-
-_ 8 _  6 _ 1  9 _ _
-_ _ _  3 5 _  _ 4 _
-_ _ _  _ _ _  _ _ 3
-
-SOLUTION:
-5 3 8  4 2 6  1 7 9
-1 2 7  5 9 8  3 6 4
-4 9 6  7 1 3  5 2 8
-
-7 4 9  2 3 5  6 8 1
-8 1 5  9 6 4  7 3 2
-2 6 3  1 8 7  4 9 5
-
-3 8 2  6 4 1  9 5 7
-9 7 1  3 5 2  8 4 6
-6 5 4  8 7 9  2 1 3
-
-RATING: 1.25
-DATA:
-{"puzzle":[3,null,null,4,null,null,null,null,5,7,null,null,null,2,null,null,1,null,null,null,1,null,6,null,0,null,null,null,4,null,null,null,null,2,null,0,2,5,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,7,null,null,6,null,4,8,null,null,3,null,null,null,2,null,null,6,null,null,null,null,null,0,7],"solution":[3,2,6,4,1,0,8,7,5,7,0,5,8,2,3,4,1,6,4,8,1,5,6,7,0,3,2,1,4,7,6,3,8,2,5,0,2,5,8,0,4,1,7,6,3,6,3,0,2,7,5,1,4,8,0,1,3,7,5,2,6,8,4,8,7,4,3,0,6,5,2,1,5,6,2,1,8,4,3,0,7]}
-PUZZLE:
-4 _ _  5 _ _  _ _ 6
-8 _ _  _ 3 _  _ 2 _
-_ _ 2  _ 7 _  1 _ _
-
-_ 5 _  _ _ _  3 _ 1
-3 6 _  _ _ _  _ _ _
-7 _ _  _ _ _  _ _ _
-
-_ _ _  8 _ _  7 _ 5
-9 _ _  4 _ _  _ 3 _
-_ 7 _  _ _ _  _ 1 8
-
-SOLUTION:
-4 3 7  5 2 1  9 8 6
-8 1 6  9 3 4  5 2 7
-5 9 2  6 7 8  1 4 3
-
-2 5 8  7 4 9  3 6 1
-3 6 9  1 5 2  8 7 4
-7 4 1  3 8 6  2 5 9
-
-1 2 4  8 6 3  7 9 5
-9 8 5  4 1 7  6 3 2
-6 7 3  2 9 5  4 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,8,null,null,2,null,null,null,null,null,null,3,7,null,6,null,null,null,null,null,null,null,4,null,null,5,null,0,3,6,null,null,null,null,null,null,null,null,2,null,null,null,7,null,null,null,null,null,null,null,1,2,null,null,5,0,null,null,null,null,null,null,null,null,1,null,null,null,2,null,null,null,null,null,null,4,6,null,null,7],"solution":[5,7,8,0,6,2,4,3,1,0,1,4,3,7,5,6,8,2,3,2,6,1,8,4,7,0,5,2,0,3,6,1,7,5,4,8,1,4,5,2,0,8,3,7,6,6,8,7,4,5,3,1,2,0,4,5,0,7,2,1,8,6,3,7,6,1,8,3,0,2,5,4,8,3,2,5,4,6,0,1,7]}
-PUZZLE:
-6 _ 9  _ _ 3  _ _ _
-_ _ _  4 8 _  7 _ _
-_ _ _  _ _ 5  _ _ 6
-
-_ 1 4  7 _ _  _ _ _
-_ _ _  3 _ _  _ 8 _
-_ _ _  _ _ _  2 3 _
-
-_ 6 1  _ _ _  _ _ _
-_ _ 2  _ _ _  3 _ _
-_ _ _  _ 5 7  _ _ 8
-
-SOLUTION:
-6 8 9  1 7 3  5 4 2
-1 2 5  4 8 6  7 9 3
-4 3 7  2 9 5  8 1 6
-
-3 1 4  7 2 8  6 5 9
-2 5 6  3 1 9  4 8 7
-7 9 8  5 6 4  2 3 1
-
-5 6 1  8 3 2  9 7 4
-8 7 2  9 4 1  3 6 5
-9 4 3  6 5 7  1 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,7,null,null,null,null,0,null,3,null,null,null,null,null,null,null,null,5,null,null,7,6,2,null,null,null,null,null,null,null,5,null,null,3,6,null,4,5,null,null,0,null,null,null,null,null,0,null,8,null,null,null,4,2,null,null,5,0,null,6,null,null,null,null,null,null,null,null,null,7,null,null,null,null,3,null,null,1,4,null],"solution":[1,6,7,8,4,3,2,0,5,3,2,8,0,1,5,4,6,7,5,0,4,7,6,2,3,1,8,8,1,2,4,5,7,0,3,6,7,4,5,6,3,0,8,2,1,6,3,0,2,8,1,7,5,4,2,7,1,5,0,4,6,8,3,4,8,3,1,2,6,5,7,0,0,5,6,3,7,8,1,4,2]}
-PUZZLE:
-_ _ 8  _ _ _  _ 1 _
-4 _ _  _ _ _  _ _ _
-6 _ _  8 7 3  _ _ _
-
-_ _ _  _ 6 _  _ 4 7
-_ 5 6  _ _ 1  _ _ _
-_ _ 1  _ 9 _  _ _ 5
-
-3 _ _  6 1 _  7 _ _
-_ _ _  _ _ _  _ 8 _
-_ _ _  4 _ _  2 5 _
-
-SOLUTION:
-2 7 8  9 5 4  3 1 6
-4 3 9  1 2 6  5 7 8
-6 1 5  8 7 3  4 2 9
-
-9 2 3  5 6 8  1 4 7
-8 5 6  7 4 1  9 3 2
-7 4 1  3 9 2  8 6 5
-
-3 8 2  6 1 5  7 9 4
-5 9 4  2 3 7  6 8 1
-1 6 7  4 8 9  2 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,0,5,4,null,null,null,null,null,6,null,null,null,8,null,null,2,1,null,null,8,null,null,null,5,null,null,null,null,null,8,3,null,null,null,4,null,3,null,null,null,1,null,null,null,8,null,1,null,null,null,6,6,5,7,1,null,3,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,4,null,null,null,6,null],"solution":[8,7,3,0,5,4,6,2,1,5,0,6,2,3,1,8,4,7,2,1,4,6,8,7,0,3,5,7,6,1,5,4,8,3,0,2,0,4,5,3,2,6,7,1,8,3,2,8,7,1,0,4,5,6,6,5,7,1,0,3,2,8,4,4,3,2,8,6,5,1,7,0,1,8,0,4,7,2,5,6,3]}
-PUZZLE:
-_ _ _  1 6 5  _ _ _
-_ _ 7  _ _ _  9 _ _
-3 2 _  _ 9 _  _ _ 6
-
-_ _ _  _ _ 9  4 _ _
-_ 5 _  4 _ _  _ 2 _
-_ _ 9  _ 2 _  _ _ 7
-
-7 6 8  2 _ 4  _ _ _
-_ _ _  _ _ _  _ 8 _
-_ _ _  5 _ _  _ 7 _
-
-SOLUTION:
-9 8 4  1 6 5  7 3 2
-6 1 7  3 4 2  9 5 8
-3 2 5  7 9 8  1 4 6
-
-8 7 2  6 5 9  4 1 3
-1 5 6  4 3 7  8 2 9
-4 3 9  8 2 1  5 6 7
-
-7 6 8  2 1 4  3 9 5
-5 4 3  9 7 6  2 8 1
-2 9 1  5 8 3  6 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[1,null,null,null,null,6,null,null,0,7,null,2,null,3,null,6,5,null,null,null,8,5,null,null,null,3,null,8,null,null,null,4,null,7,null,null,null,null,null,null,null,0,2,null,null,null,null,null,1,null,5,null,null,null,null,4,null,null,null,null,null,1,null,3,null,null,null,null,null,null,null,null,2,null,7,null,null,null,4,null,null],"solution":[1,3,5,4,2,6,8,7,0,7,0,2,8,3,1,6,5,4,4,6,8,5,0,7,1,3,2,8,1,0,2,4,3,7,6,5,5,7,3,6,8,0,2,4,1,6,2,4,1,7,5,0,8,3,0,4,6,7,5,2,3,1,8,3,8,1,0,6,4,5,2,7,2,5,7,3,1,8,4,0,6]}
-PUZZLE:
-2 _ _  _ _ 7  _ _ 1
-8 _ 3  _ 4 _  7 6 _
-_ _ 9  6 _ _  _ 4 _
-
-9 _ _  _ 5 _  8 _ _
-_ _ _  _ _ 1  3 _ _
-_ _ _  2 _ 6  _ _ _
-
-_ 5 _  _ _ _  _ 2 _
-4 _ _  _ _ _  _ _ _
-3 _ 8  _ _ _  5 _ _
-
-SOLUTION:
-2 4 6  5 3 7  9 8 1
-8 1 3  9 4 2  7 6 5
-5 7 9  6 1 8  2 4 3
-
-9 2 1  3 5 4  8 7 6
-6 8 4  7 9 1  3 5 2
-7 3 5  2 8 6  1 9 4
-
-1 5 7  8 6 3  4 2 9
-4 9 2  1 7 5  6 3 8
-3 6 8  4 2 9  5 1 7
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,null,1,5,null,null,7,null,null,null,null,7,null,null,null,8,null,null,2,null,null,null,8,null,6,null,null,3,null,null,null,2,null,5,8,null,8,null,null,null,4,null,null,null,null,1,null,0,6,null,null,2,null,3,4,2,null,null,null,1,null,5,null,null,3,null,null,null,null,null,6,null,null,null,null,null,0,null,null,null,null],"solution":[6,8,1,5,3,4,7,0,2,5,0,7,2,1,6,8,3,4,2,4,3,7,8,0,6,1,5,3,6,4,1,2,7,5,8,0,8,5,2,0,4,3,1,7,6,1,7,0,6,5,8,2,4,3,4,2,8,3,6,1,0,5,7,0,3,5,8,7,2,4,6,1,7,1,6,4,0,5,3,2,8]}
-PUZZLE:
-_ _ 2  6 _ _  8 _ _
-_ _ 8  _ _ _  9 _ _
-3 _ _  _ 9 _  7 _ _
-
-4 _ _  _ 3 _  6 9 _
-9 _ _  _ 5 _  _ _ _
-2 _ 1  7 _ _  3 _ 4
-
-5 3 _  _ _ 2  _ 6 _
-_ 4 _  _ _ _  _ 7 _
-_ _ _  _ 1 _  _ _ _
-
-SOLUTION:
-7 9 2  6 4 5  8 1 3
-6 1 8  3 2 7  9 4 5
-3 5 4  8 9 1  7 2 6
-
-4 7 5  2 3 8  6 9 1
-9 6 3  1 5 4  2 8 7
-2 8 1  7 6 9  3 5 4
-
-5 3 9  4 7 2  1 6 8
-1 4 6  9 8 3  5 7 2
-8 2 7  5 1 6  4 3 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,1,null,null,null,null,null,8,null,null,null,null,null,7,0,4,4,null,null,null,null,null,null,2,null,null,6,null,null,null,4,null,null,2,null,null,7,null,null,null,null,null,8,null,null,null,null,2,null,null,null,null,1,0,null,null,null,3,null,6,null,null,null,null,5,null,0,null,4,null,null,null,null,8,null,null,null,null,1],"solution":[2,7,0,1,4,6,5,8,3,8,1,6,2,3,5,7,0,4,4,3,5,0,8,7,1,2,6,0,6,8,7,5,4,3,1,2,3,2,7,6,0,1,4,5,8,5,4,1,3,2,8,6,7,0,1,0,2,4,7,3,8,6,5,6,8,3,5,1,0,2,4,7,7,5,4,8,6,2,0,3,1]}
-PUZZLE:
-_ 8 _  2 _ _  _ _ _
-9 _ _  _ _ _  8 1 5
-5 _ _  _ _ _  _ 3 _
-
-_ 7 _  _ _ 5  _ _ 3
-_ _ 8  _ _ _  _ _ 9
-_ _ _  _ 3 _  _ _ _
-
-2 1 _  _ _ 4  _ 7 _
-_ _ _  6 _ 1  _ 5 _
-_ _ _  9 _ _  _ _ 2
-
-SOLUTION:
-3 8 1  2 5 7  6 9 4
-9 2 7  3 4 6  8 1 5
-5 4 6  1 9 8  2 3 7
-
-1 7 9  8 6 5  4 2 3
-4 3 8  7 1 2  5 6 9
-6 5 2  4 3 9  7 8 1
-
-2 1 3  5 8 4  9 7 6
-7 9 4  6 2 1  3 5 8
-8 6 5  9 7 3  1 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,0,null,null,6,null,null,null,8,6,5,null,null,null,1,null,null,null,null,null,null,null,null,null,5,3,null,1,null,null,null,null,null,7,null,null,null,2,null,null,null,4,1,null,null,null,6,null,1,2,8,null,null,null,null,null,null,6,null,0,null,5,null,0,null,null,7,null,null,null,null,6,7,null,null,null,null,null,8],"solution":[2,5,3,0,1,8,6,7,4,7,8,6,5,4,3,0,1,2,0,1,4,7,6,2,8,3,5,3,2,1,8,0,4,5,6,7,6,0,8,2,7,5,3,4,1,4,7,5,6,3,1,2,8,0,8,4,2,1,5,6,7,0,3,5,3,0,4,8,7,1,2,6,1,6,7,3,2,0,4,5,8]}
-PUZZLE:
-_ _ _  1 _ _  7 _ _
-_ 9 7  6 _ _  _ 2 _
-_ _ _  _ _ _  _ _ 6
-
-4 _ 2  _ _ _  _ _ 8
-_ _ _  3 _ _  _ 5 2
-_ _ _  7 _ 2  3 9 _
-
-_ _ _  _ _ 7  _ 1 _
-6 _ 1  _ _ 8  _ _ _
-_ 7 8  _ _ _  _ _ 9
-
-SOLUTION:
-3 6 4  1 2 9  7 8 5
-8 9 7  6 5 4  1 2 3
-1 2 5  8 7 3  9 4 6
-
-4 3 2  9 1 5  6 7 8
-7 1 9  3 8 6  4 5 2
-5 8 6  7 4 2  3 9 1
-
-9 5 3  2 6 7  8 1 4
-6 4 1  5 9 8  2 3 7
-2 7 8  4 3 1  5 6 9
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,7,null,8,null,null,5,null,null,null,null,null,null,null,3,null,7,null,6,null,null,2,null,null,null,null,null,8,0,null,null,null,null,null,null,5,null,null,null,null,8,null,3,null,null,null,null,null,3,null,null,0,null,7,null,5,null,null,null,null,null,null,6,1,null,5,null,null,null,8,null,null,null,null,null,0,null,6,1,null],"solution":[1,4,7,3,8,6,0,5,2,2,5,8,4,1,0,3,6,7,0,6,3,7,2,5,8,4,1,3,8,0,1,5,4,2,7,6,5,2,6,0,7,8,1,3,4,4,7,1,6,3,2,5,0,8,7,0,5,8,6,1,4,2,3,6,1,2,5,4,3,7,8,0,8,3,4,2,0,7,6,1,5]}
-PUZZLE:
-_ _ 8  _ 9 _  _ 6 _
-_ _ _  _ _ _  4 _ 8
-_ 7 _  _ 3 _  _ _ _
-
-_ 9 1  _ _ _  _ _ _
-6 _ _  _ _ 9  _ 4 _
-_ _ _  _ 4 _  _ 1 _
-
-8 _ 6  _ _ _  _ _ _
-7 2 _  6 _ _  _ 9 _
-_ _ _  _ 1 _  7 2 _
-
-SOLUTION:
-2 5 8  4 9 7  1 6 3
-3 6 9  5 2 1  4 7 8
-1 7 4  8 3 6  9 5 2
-
-4 9 1  2 6 5  3 8 7
-6 3 7  1 8 9  2 4 5
-5 8 2  7 4 3  6 1 9
-
-8 1 6  9 7 2  5 3 4
-7 2 3  6 5 4  8 9 1
-9 4 5  3 1 8  7 2 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,null,5,null,null,null,7,5,0,null,2,8,null,6,null,null,null,1,null,null,null,6,null,2,null,null,2,null,null,7,null,null,null,null,null,null,null,null,null,null,0,null,4,1,null,null,4,null,null,null,7,null,null,null,null,null,null,8,3,null,null,2,null,null,null,1,null,null,null,null,8,null,7,null,null,null,null,null,0],"solution":[6,8,2,3,5,1,4,0,7,5,0,4,2,8,7,6,3,1,7,1,3,0,4,6,8,2,5,4,2,0,8,7,5,1,6,3,3,7,5,1,6,2,0,8,4,1,6,8,4,0,3,5,7,2,0,4,1,7,2,8,3,5,6,2,3,6,5,1,0,7,4,8,8,5,7,6,3,4,2,1,0]}
-PUZZLE:
-_ 9 _  _ 6 _  _ _ 8
-6 1 _  3 9 _  7 _ _
-_ 2 _  _ _ 7  _ 3 _
-
-_ 3 _  _ 8 _  _ _ _
-_ _ _  _ _ _  1 _ 5
-2 _ _  5 _ _  _ 8 _
-
-_ _ _  _ _ 9  4 _ _
-3 _ _  _ 2 _  _ _ _
-9 _ 8  _ _ _  _ _ 1
-
-SOLUTION:
-7 9 3  4 6 2  5 1 8
-6 1 5  3 9 8  7 4 2
-8 2 4  1 5 7  9 3 6
-
-5 3 1  9 8 6  2 7 4
-4 8 6  2 7 3  1 9 5
-2 7 9  5 1 4  6 8 3
-
-1 5 2  8 3 9  4 6 7
-3 4 7  6 2 1  8 5 9
-9 6 8  7 4 5  3 2 1
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,2,7,null,3,null,null,null,null,3,null,8,null,null,null,null,null,null,null,4,null,null,null,null,6,null,4,6,null,null,null,null,7,1,8,null,null,5,null,null,null,null,null,2,7,null,null,null,null,null,5,null,null,null,4,null,null,5,1,6,null,null,null,8,null,null,null,null,null,null,0,null,null,null,null,null,null,null,7,1],"solution":[1,5,2,7,6,3,8,0,4,0,3,6,8,4,5,1,2,7,8,7,4,2,1,0,3,6,5,4,6,0,5,3,2,7,1,8,3,1,5,6,7,8,0,4,2,7,2,8,1,0,4,5,3,6,2,4,7,0,5,1,6,8,3,6,8,1,3,2,7,4,5,0,5,0,3,4,8,6,2,7,1]}
-PUZZLE:
-_ _ 3  8 _ 4  _ _ _
-_ 4 _  9 _ _  _ _ _
-_ _ 5  _ _ _  _ 7 _
-
-5 7 _  _ _ _  8 2 9
-_ _ 6  _ _ _  _ _ 3
-8 _ _  _ _ _  6 _ _
-
-_ 5 _  _ 6 2  7 _ _
-_ 9 _  _ _ _  _ _ 1
-_ _ _  _ _ _  _ 8 2
-
-SOLUTION:
-2 6 3  8 7 4  9 1 5
-1 4 7  9 5 6  2 3 8
-9 8 5  3 2 1  4 7 6
-
-5 7 1  6 4 3  8 2 9
-4 2 6  7 8 9  1 5 3
-8 3 9  2 1 5  6 4 7
-
-3 5 8  1 6 2  7 9 4
-7 9 2  4 3 8  5 6 1
-6 1 4  5 9 7  3 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,5,null,null,null,null,null,null,null,null,null,1,null,6,null,null,8,null,null,null,null,4,null,null,5,null,null,7,null,null,3,4,2,null,null,null,null,null,null,null,7,null,null,null,null,null,null,6,null,null,null,1,4,null,5,4,2,null,null,null,null,null,null,3,7,null,null,null,null,6,null,6,null,null,null,null,null,1,null,null],"solution":[3,2,5,7,0,8,6,4,1,7,4,0,1,5,6,3,2,8,8,1,6,3,4,2,0,5,7,0,7,1,5,3,4,2,8,6,4,6,2,8,1,7,5,0,3,5,8,3,6,2,0,7,1,4,1,5,4,2,6,3,8,7,0,2,3,7,0,8,1,4,6,5,6,0,8,4,7,5,1,3,2]}
-PUZZLE:
-_ 3 6  _ _ _  _ _ _
-_ _ _  2 _ 7  _ _ 9
-_ _ _  _ 5 _  _ 6 _
-
-_ 8 _  _ 4 5  3 _ _
-_ _ _  _ _ 8  _ _ _
-_ _ _  7 _ _  _ 2 5
-
-_ 6 5  3 _ _  _ _ _
-_ 4 8  _ _ _  _ 7 _
-7 _ _  _ _ _  2 _ _
-
-SOLUTION:
-4 3 6  8 1 9  7 5 2
-8 5 1  2 6 7  4 3 9
-9 2 7  4 5 3  1 6 8
-
-1 8 2  6 4 5  3 9 7
-5 7 3  9 2 8  6 1 4
-6 9 4  7 3 1  8 2 5
-
-2 6 5  3 7 4  9 8 1
-3 4 8  1 9 2  5 7 6
-7 1 9  5 8 6  2 4 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,5,null,null,null,2,4,null,3,null,1,null,8,null,null,0,null,null,3,null,null,null,null,null,6,null,7,null,3,null,null,null,4,8,null,null,null,null,8,null,1,6,null,null,null,null,null,6,0,2,null,null,5,null,null,null,null,null,4,null,null,null,null,null,6,3,null,null,null,null,null,null,null,2,null,null,null,5,null,null,null],"solution":[0,5,7,1,6,2,4,8,3,6,1,4,8,3,7,0,2,5,3,8,2,4,5,0,6,1,7,2,3,1,5,7,4,8,6,0,5,0,8,3,1,6,7,4,2,7,4,6,0,2,8,3,5,1,1,7,5,6,4,3,2,0,8,8,6,3,2,0,1,5,7,4,4,2,0,7,8,5,1,3,6]}
-PUZZLE:
-_ 6 _  _ _ 3  5 _ 4
-_ 2 _  9 _ _  1 _ _
-4 _ _  _ _ _  7 _ 8
-
-_ 4 _  _ _ 5  9 _ _
-_ _ 9  _ 2 7  _ _ _
-_ _ 7  1 3 _  _ 6 _
-
-_ _ _  _ 5 _  _ _ _
-_ 7 4  _ _ _  _ _ _
-_ 3 _  _ _ 6  _ _ _
-
-SOLUTION:
-1 6 8  2 7 3  5 9 4
-7 2 5  9 4 8  1 3 6
-4 9 3  5 6 1  7 2 8
-
-3 4 2  6 8 5  9 7 1
-6 1 9  4 2 7  8 5 3
-8 5 7  1 3 9  4 6 2
-
-2 8 6  7 5 4  3 1 9
-9 7 4  3 1 2  6 8 5
-5 3 1  8 9 6  2 4 7
-
-RATING: 3.25
-DATA:
-{"puzzle":[6,7,null,4,null,null,null,null,5,null,null,null,null,null,null,1,null,null,null,8,null,2,null,null,null,null,6,null,null,0,null,null,null,null,8,null,5,null,null,0,4,null,null,3,null,1,null,null,null,null,8,null,null,4,2,null,3,1,6,null,null,7,null,null,null,null,null,null,null,null,null,null,8,6,null,null,null,null,3,null,null],"solution":[6,7,2,4,1,3,8,0,5,4,0,5,6,8,7,1,2,3,3,8,1,2,0,5,7,4,6,7,4,0,3,5,6,2,8,1,5,2,8,0,4,1,6,3,7,1,3,6,7,2,8,0,5,4,2,5,3,1,6,0,4,7,8,0,1,7,8,3,4,5,6,2,8,6,4,5,7,2,3,1,0]}
-PUZZLE:
-7 8 _  5 _ _  _ _ 6
-_ _ _  _ _ _  2 _ _
-_ 9 _  3 _ _  _ _ 7
-
-_ _ 1  _ _ _  _ 9 _
-6 _ _  1 5 _  _ 4 _
-2 _ _  _ _ 9  _ _ 5
-
-3 _ 4  2 7 _  _ 8 _
-_ _ _  _ _ _  _ _ _
-9 7 _  _ _ _  4 _ _
-
-SOLUTION:
-7 8 3  5 2 4  9 1 6
-5 1 6  7 9 8  2 3 4
-4 9 2  3 1 6  8 5 7
-
-8 5 1  4 6 7  3 9 2
-6 3 9  1 5 2  7 4 8
-2 4 7  8 3 9  1 6 5
-
-3 6 4  2 7 1  5 8 9
-1 2 8  9 4 5  6 7 3
-9 7 5  6 8 3  4 2 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,3,null,null,null,null,4,0,null,null,5,3,1,null,6,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,6,null,7,null,2,6,1,2,null,7,null,null,null,null,8,null,null,null,0,null,null,null,null,null,null,null,2,null,null,null,3,null,null,6,null,null,null,null,null,null,null,2,null,7,1,5,null,null,null,null],"solution":[1,8,3,6,2,7,5,4,0,0,2,5,3,1,4,6,7,8,7,4,6,0,8,5,3,2,1,3,5,0,4,6,1,7,8,2,6,1,2,8,7,3,0,5,4,8,7,4,5,0,2,1,6,3,5,0,1,2,4,6,8,3,7,4,6,8,7,3,0,2,1,5,2,3,7,1,5,8,4,0,6]}
-PUZZLE:
-_ _ 4  _ _ _  _ 5 1
-_ _ 6  4 2 _  7 _ _
-_ _ _  _ _ _  4 _ _
-
-_ _ _  _ 7 _  8 _ 3
-7 2 3  _ 8 _  _ _ _
-9 _ _  _ 1 _  _ _ _
-
-_ _ _  3 _ _  _ 4 _
-_ 7 _  _ _ _  _ _ _
-3 _ 8  2 6 _  _ _ _
-
-SOLUTION:
-2 9 4  7 3 8  6 5 1
-1 3 6  4 2 5  7 8 9
-8 5 7  1 9 6  4 3 2
-
-4 6 1  5 7 2  8 9 3
-7 2 3  9 8 4  1 6 5
-9 8 5  6 1 3  2 7 4
-
-6 1 2  3 5 7  9 4 8
-5 7 9  8 4 1  3 2 6
-3 4 8  2 6 9  5 1 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,5,null,null,null,null,2,null,null,null,3,4,null,null,8,null,null,null,4,6,null,2,7,5,null,null,7,null,4,null,null,1,null,null,5,null,null,null,null,null,5,null,3,null,null,null,null,null,null,null,2,null,null,null,0,null,1,null,null,null,null,null,null,1,null,8,null,2,null,null,6,null,null,null,null,null,6,null,null,null],"solution":[0,7,5,6,1,8,4,2,3,1,2,3,4,5,0,8,6,7,8,4,6,3,2,7,5,1,0,7,8,4,2,3,1,6,0,5,2,6,0,7,8,5,1,3,4,3,5,1,0,6,4,2,7,8,6,0,8,1,4,3,7,5,2,5,1,7,8,0,2,3,4,6,4,3,2,5,7,6,0,8,1]}
-PUZZLE:
-_ _ 6  _ _ _  _ 3 _
-_ _ 4  5 _ _  9 _ _
-_ 5 7  _ 3 8  6 _ _
-
-8 _ 5  _ _ 2  _ _ 6
-_ _ _  _ _ 6  _ 4 _
-_ _ _  _ _ _  3 _ _
-
-_ 1 _  2 _ _  _ _ _
-_ 2 _  9 _ 3  _ _ 7
-_ _ _  _ _ 7  _ _ _
-
-SOLUTION:
-1 8 6  7 2 9  5 3 4
-2 3 4  5 6 1  9 7 8
-9 5 7  4 3 8  6 2 1
-
-8 9 5  3 4 2  7 1 6
-3 7 1  8 9 6  2 4 5
-4 6 2  1 7 5  3 8 9
-
-7 1 9  2 5 4  8 6 3
-6 2 8  9 1 3  4 5 7
-5 4 3  6 8 7  1 9 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,null,null,null,null,null,0,0,null,null,null,1,5,null,8,null,null,null,5,null,null,7,null,null,null,4,2,0,null,3,null,null,null,1,1,null,null,null,0,6,null,4,null,null,null,null,null,7,null,null,null,null,5,null,null,null,null,null,0,null,null,null,8,null,3,null,null,null,7,null,null,null,4,null,null,null,null,null,8],"solution":[6,7,1,8,2,3,4,5,0,0,4,2,6,1,5,3,8,7,8,3,5,0,4,7,6,1,2,4,2,0,5,3,8,7,6,1,1,5,7,2,0,6,8,4,3,3,6,8,4,7,1,2,0,5,5,1,3,7,8,4,0,2,6,2,8,6,3,5,0,1,7,4,7,0,4,1,6,2,5,3,8]}
-PUZZLE:
-_ 8 _  _ _ _  _ _ 1
-1 _ _  _ 2 6  _ 9 _
-_ _ 6  _ _ 8  _ _ _
-
-5 3 1  _ 4 _  _ _ 2
-2 _ _  _ 1 7  _ 5 _
-_ _ _  _ 8 _  _ _ _
-
-6 _ _  _ _ _  1 _ _
-_ 9 _  4 _ _  _ 8 _
-_ _ 5  _ _ _  _ _ 9
-
-SOLUTION:
-7 8 2  9 3 4  5 6 1
-1 5 3  7 2 6  4 9 8
-9 4 6  1 5 8  7 2 3
-
-5 3 1  6 4 9  8 7 2
-2 6 8  3 1 7  9 5 4
-4 7 9  5 8 2  3 1 6
-
-6 2 4  8 9 5  1 3 7
-3 9 7  4 6 1  2 8 5
-8 1 5  2 7 3  6 4 9
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,8,null,0,null,2,null,null,3,null,null,4,null,null,5,null,1,5,null,null,8,null,null,null,null,null,null,null,null,null,8,null,6,null,4,null,null,7,5,null,null,null,null,2,null,null,null,null,null,6,null,null,null,null,null,null,null,5,3,null,null,0,2,null,null,null,null,1,3,null,null,0,6,null,null,7,null,null,null,null],"solution":[7,4,8,1,0,5,2,3,6,3,2,0,4,6,7,5,8,1,5,1,6,8,3,2,0,4,7,1,5,2,3,8,0,6,7,4,6,3,7,5,1,4,8,0,2,8,0,4,7,2,6,1,5,3,4,8,1,6,5,3,7,2,0,2,7,5,0,4,1,3,6,8,0,6,3,2,7,8,4,1,5]}
-PUZZLE:
-_ _ 9  _ 1 _  3 _ _
-4 _ _  5 _ _  6 _ 2
-6 _ _  9 _ _  _ _ _
-
-_ _ _  _ 9 _  7 _ 5
-_ _ 8  6 _ _  _ _ 3
-_ _ _  _ _ 7  _ _ _
-
-_ _ _  _ 6 4  _ _ 1
-3 _ _  _ _ 2  4 _ _
-1 7 _  _ 8 _  _ _ _
-
-SOLUTION:
-8 5 9  2 1 6  3 4 7
-4 3 1  5 7 8  6 9 2
-6 2 7  9 4 3  1 5 8
-
-2 6 3  4 9 1  7 8 5
-7 4 8  6 2 5  9 1 3
-9 1 5  8 3 7  2 6 4
-
-5 9 2  7 6 4  8 3 1
-3 8 6  1 5 2  4 7 9
-1 7 4  3 8 9  5 2 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,2,4,null,null,5,null,5,null,null,null,6,null,8,null,4,6,null,null,null,null,null,null,null,null,null,3,null,8,0,4,null,2,6,1,null,7,null,null,null,3,null,null,null,null,null,6,null,0,null,null,2,null,null,null,null,5,null,null,null,null,null,null,null,3,null,2,null,null,null,null,null,null,null,null,null,null,7],"solution":[1,3,7,8,2,4,6,0,5,0,5,2,3,1,6,7,8,4,4,6,8,0,5,7,1,2,3,5,7,3,1,8,0,4,6,2,6,1,0,7,4,2,5,3,8,8,2,4,5,6,3,0,7,1,2,8,1,6,7,5,3,4,0,7,0,5,4,3,8,2,1,6,3,4,6,2,0,1,8,5,7]}
-PUZZLE:
-_ _ _  _ 3 5  _ _ 6
-_ 6 _  _ _ 7  _ 9 _
-5 7 _  _ _ _  _ _ _
-
-_ _ 4  _ 9 1  5 _ 3
-7 2 _  8 _ _  _ 4 _
-_ _ _  _ 7 _  1 _ _
-
-3 _ _  _ _ 6  _ _ _
-_ _ _  _ 4 _  3 _ _
-_ _ _  _ _ _  _ _ 8
-
-SOLUTION:
-2 4 8  9 3 5  7 1 6
-1 6 3  4 2 7  8 9 5
-5 7 9  1 6 8  2 3 4
-
-6 8 4  2 9 1  5 7 3
-7 2 1  8 5 3  6 4 9
-9 3 5  6 7 4  1 8 2
-
-3 9 2  7 8 6  4 5 1
-8 1 6  5 4 9  3 2 7
-4 5 7  3 1 2  9 6 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[7,null,null,1,null,null,null,null,5,5,null,null,null,4,null,null,2,8,null,0,null,null,null,null,null,null,null,null,6,null,null,null,1,null,null,null,null,null,3,8,5,null,null,null,1,null,8,null,7,null,null,null,null,4,null,7,null,null,null,null,null,null,6,4,null,null,null,3,null,null,8,null,null,null,null,0,null,null,null,4,null],"solution":[7,2,4,1,8,0,3,6,5,5,3,1,6,4,7,0,2,8,6,0,8,3,2,5,4,1,7,2,6,7,4,0,1,8,5,3,0,4,3,8,5,2,6,7,1,1,8,5,7,6,3,2,0,4,8,7,0,2,1,4,5,3,6,4,1,2,5,3,6,7,8,0,3,5,6,0,7,8,1,4,2]}
-PUZZLE:
-8 _ _  2 _ _  _ _ 6
-6 _ _  _ 5 _  _ 3 9
-_ 1 _  _ _ _  _ _ _
-
-_ 7 _  _ _ 2  _ _ _
-_ _ 4  9 6 _  _ _ 2
-_ 9 _  8 _ _  _ _ 5
-
-_ 8 _  _ _ _  _ _ 7
-5 _ _  _ 4 _  _ 9 _
-_ _ _  1 _ _  _ 5 _
-
-SOLUTION:
-8 3 5  2 9 1  4 7 6
-6 4 2  7 5 8  1 3 9
-7 1 9  4 3 6  5 2 8
-
-3 7 8  5 1 2  9 6 4
-1 5 4  9 6 3  7 8 2
-2 9 6  8 7 4  3 1 5
-
-9 8 1  3 2 5  6 4 7
-5 2 3  6 4 7  8 9 1
-4 6 7  1 8 9  2 5 3
-
-RATING: 0
-DATA:
-{"puzzle":[null,8,null,4,null,null,null,null,0,null,null,6,7,null,2,null,5,null,1,null,2,null,null,8,null,null,null,3,null,1,6,null,null,null,null,null,null,null,8,null,null,5,null,null,null,2,null,null,null,1,null,null,6,null,null,null,null,null,3,null,null,null,5,null,null,null,8,null,null,null,null,null,8,null,null,null,null,null,4,null,1],"solution":[7,8,5,4,6,1,3,2,0,4,3,6,7,0,2,1,5,8,1,0,2,3,5,8,6,4,7,3,4,1,6,8,7,5,0,2,0,6,8,2,4,5,7,1,3,2,5,7,0,1,3,8,6,4,6,7,4,1,3,0,2,8,5,5,1,3,8,2,4,0,7,6,8,2,0,5,7,6,4,3,1]}
-PUZZLE:
-_ 9 _  5 _ _  _ _ 1
-_ _ 7  8 _ 3  _ 6 _
-2 _ 3  _ _ 9  _ _ _
-
-4 _ 2  7 _ _  _ _ _
-_ _ 9  _ _ 6  _ _ _
-3 _ _  _ 2 _  _ 7 _
-
-_ _ _  _ 4 _  _ _ 6
-_ _ _  9 _ _  _ _ _
-9 _ _  _ _ _  5 _ 2
-
-SOLUTION:
-8 9 6  5 7 2  4 3 1
-5 4 7  8 1 3  2 6 9
-2 1 3  4 6 9  7 5 8
-
-4 5 2  7 9 8  6 1 3
-1 7 9  3 5 6  8 2 4
-3 6 8  1 2 4  9 7 5
-
-7 8 5  2 4 1  3 9 6
-6 2 4  9 3 5  1 8 7
-9 3 1  6 8 7  5 4 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,8,0,null,null,null,null,3,null,null,null,null,2,6,null,null,null,null,null,null,null,null,5,null,null,8,6,1,null,null,null,3,null,null,null,0,null,null,null,5,null,null,null,null,3,4,null,null,null,0,1,null,null,1,null,null,null,3,null,7,null,null,7,5,1,null,null,2,null,3,0,null,null,null,2,null,null,null,8],"solution":[4,5,6,8,0,1,7,3,2,3,8,0,5,7,2,6,4,1,1,2,7,4,3,6,5,8,0,8,6,1,7,4,0,3,2,5,7,0,2,3,1,5,8,6,4,5,3,4,2,6,8,0,1,7,2,1,8,0,5,3,4,7,6,6,7,5,1,8,4,2,0,3,0,4,3,6,2,7,1,5,8]}
-PUZZLE:
-_ _ _  9 1 _  _ _ _
-4 _ _  _ _ 3  7 _ _
-_ _ _  _ _ _  6 _ _
-
-9 7 2  _ _ _  4 _ _
-_ 1 _  _ _ 6  _ _ _
-_ 4 5  _ _ _  1 2 _
-
-_ 2 _  _ _ 4  _ 8 _
-_ 8 6  2 _ _  3 _ 4
-1 _ _  _ 3 _  _ _ 9
-
-SOLUTION:
-5 6 7  9 1 2  8 4 3
-4 9 1  6 8 3  7 5 2
-2 3 8  5 4 7  6 9 1
-
-9 7 2  8 5 1  4 3 6
-8 1 3  4 2 6  9 7 5
-6 4 5  3 7 9  1 2 8
-
-3 2 9  1 6 4  5 8 7
-7 8 6  2 9 5  3 1 4
-1 5 4  7 3 8  2 6 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,3,null,null,null,null,null,2,7,null,null,4,null,2,null,8,null,5,null,null,7,1,null,3,null,4,null,null,null,6,null,0,null,null,null,2,null,8,null,null,null,null,null,null,null,5,null,null,8,7,null,1,null,null,null,null,null,null,null,7,null,null,3,null,null,null,null,1,null,null,null,null,null,null,null,4,null,null,null,5],"solution":[4,1,3,5,0,8,6,7,2,7,0,6,4,3,2,5,8,1,5,8,2,7,1,6,3,0,4,1,3,7,6,2,0,4,5,8,2,6,8,1,5,4,0,3,7,0,5,4,3,8,7,2,1,6,8,2,1,0,6,5,7,4,3,3,4,5,2,7,1,8,6,0,6,7,0,8,4,3,1,2,5]}
-PUZZLE:
-_ _ 4  _ _ _  _ _ 3
-8 _ _  5 _ 3  _ 9 _
-6 _ _  8 2 _  4 _ 5
-
-_ _ _  7 _ 1  _ _ _
-3 _ 9  _ _ _  _ _ _
-_ 6 _  _ 9 8  _ 2 _
-
-_ _ _  _ _ _  8 _ _
-4 _ _  _ _ 2  _ _ _
-_ _ _  _ 5 _  _ _ 6
-
-SOLUTION:
-5 2 4  6 1 9  7 8 3
-8 1 7  5 4 3  6 9 2
-6 9 3  8 2 7  4 1 5
-
-2 4 8  7 3 1  5 6 9
-3 7 9  2 6 5  1 4 8
-1 6 5  4 9 8  3 2 7
-
-9 3 2  1 7 6  8 5 4
-4 5 6  3 8 2  9 7 1
-7 8 1  9 5 4  2 3 6
-
-RATING: 0
-DATA:
-{"puzzle":[0,2,null,null,5,null,null,7,null,null,7,null,null,2,null,null,null,0,null,null,null,null,8,null,null,null,null,null,null,4,null,null,3,null,null,null,null,null,6,null,null,null,3,null,8,null,null,null,null,null,0,null,5,null,null,4,null,5,null,null,null,6,null,7,6,null,null,null,null,null,0,5,null,1,null,7,null,null,null,2,null],"solution":[0,2,8,3,5,4,6,7,1,4,7,3,6,2,1,5,8,0,6,5,1,0,8,7,4,3,2,5,8,4,2,6,3,0,1,7,2,0,6,1,7,5,3,4,8,1,3,7,8,4,0,2,5,6,8,4,0,5,1,2,7,6,3,7,6,2,4,3,8,1,0,5,3,1,5,7,0,6,8,2,4]}
-PUZZLE:
-1 3 _  _ 6 _  _ 8 _
-_ 8 _  _ 3 _  _ _ 1
-_ _ _  _ 9 _  _ _ _
-
-_ _ 5  _ _ 4  _ _ _
-_ _ 7  _ _ _  4 _ 9
-_ _ _  _ _ 1  _ 6 _
-
-_ 5 _  6 _ _  _ 7 _
-8 7 _  _ _ _  _ 1 6
-_ 2 _  8 _ _  _ 3 _
-
-SOLUTION:
-1 3 9  4 6 5  7 8 2
-5 8 4  7 3 2  6 9 1
-7 6 2  1 9 8  5 4 3
-
-6 9 5  3 7 4  1 2 8
-3 1 7  2 8 6  4 5 9
-2 4 8  9 5 1  3 6 7
-
-9 5 1  6 2 3  8 7 4
-8 7 3  5 4 9  2 1 6
-4 2 6  8 1 7  9 3 5
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,null,null,null,null,2,null,1,0,3,null,null,null,4,8,null,null,null,null,null,null,null,null,null,null,null,null,8,6,7,null,null,null,5,null,3,null,0,null,8,1,null,null,null,null,7,null,null,null,null,null,null,null,null,2,null,6,null,null,null,3,5,null,null,null,null,null,null,null,null,2,5,null,8,null,3,null,null,null,null],"solution":[6,5,4,8,7,3,2,0,1,0,3,2,1,5,4,8,7,6,8,1,7,0,2,6,5,4,3,1,8,6,7,4,2,3,5,0,3,4,0,5,8,1,6,2,7,2,7,5,3,6,0,4,1,8,4,2,1,6,0,8,7,3,5,7,6,3,4,1,5,0,8,2,5,0,8,2,3,7,1,6,4]}
-PUZZLE:
-7 _ _  _ _ _  3 _ 2
-1 4 _  _ _ 5  9 _ _
-_ _ _  _ _ _  _ _ _
-
-_ 9 7  8 _ _  _ 6 _
-4 _ 1  _ 9 2  _ _ _
-_ 8 _  _ _ _  _ _ _
-
-_ 3 _  7 _ _  _ 4 6
-_ _ _  _ _ _  _ _ 3
-6 _ 9  _ 4 _  _ _ _
-
-SOLUTION:
-7 6 5  9 8 4  3 1 2
-1 4 3  2 6 5  9 8 7
-9 2 8  1 3 7  6 5 4
-
-2 9 7  8 5 3  4 6 1
-4 5 1  6 9 2  7 3 8
-3 8 6  4 7 1  5 2 9
-
-5 3 2  7 1 9  8 4 6
-8 7 4  5 2 6  1 9 3
-6 1 9  3 4 8  2 7 5
-
-RATING: 3.5
-DATA:
-{"puzzle":[7,null,null,6,null,null,5,null,null,3,null,1,null,null,null,6,null,null,null,5,null,1,null,null,null,null,3,4,null,null,null,5,null,0,1,null,null,2,null,null,null,null,null,null,null,null,null,null,3,0,null,null,6,null,1,4,null,null,7,null,null,null,null,null,null,5,null,4,null,null,null,0,0,null,null,null,1,null,2,3,null],"solution":[7,8,4,6,3,0,5,2,1,3,0,1,7,2,5,6,4,8,2,5,6,1,8,4,7,0,3,4,6,3,8,5,7,0,1,2,5,2,0,4,6,1,3,8,7,8,1,7,3,0,2,4,6,5,1,4,2,0,7,3,8,5,6,6,3,5,2,4,8,1,7,0,0,7,8,5,1,6,2,3,4]}
-PUZZLE:
-8 _ _  7 _ _  6 _ _
-4 _ 2  _ _ _  7 _ _
-_ 6 _  2 _ _  _ _ 4
-
-5 _ _  _ 6 _  1 2 _
-_ 3 _  _ _ _  _ _ _
-_ _ _  4 1 _  _ 7 _
-
-2 5 _  _ 8 _  _ _ _
-_ _ 6  _ 5 _  _ _ 1
-1 _ _  _ 2 _  3 4 _
-
-SOLUTION:
-8 9 5  7 4 1  6 3 2
-4 1 2  8 3 6  7 5 9
-3 6 7  2 9 5  8 1 4
-
-5 7 4  9 6 8  1 2 3
-6 3 1  5 7 2  4 9 8
-9 2 8  4 1 3  5 7 6
-
-2 5 3  1 8 4  9 6 7
-7 4 6  3 5 9  2 8 1
-1 8 9  6 2 7  3 4 5
-
-RATING: 2
-DATA:
-{"puzzle":[3,7,null,null,null,null,null,null,4,null,null,null,null,null,6,1,2,null,4,null,null,null,3,null,0,null,null,null,null,3,null,0,5,null,null,6,7,null,null,null,null,null,null,5,null,null,5,null,null,null,7,8,null,0,null,6,null,null,null,null,null,0,null,2,null,null,null,5,null,null,null,null,null,null,4,null,2,null,null,null,1],"solution":[3,7,1,0,8,2,5,6,4,0,8,5,7,4,6,1,2,3,4,2,6,5,3,1,0,8,7,8,4,3,2,0,5,7,1,6,7,1,0,8,6,3,4,5,2,6,5,2,4,1,7,8,3,0,1,6,8,3,7,4,2,0,5,2,3,7,1,5,0,6,4,8,5,0,4,6,2,8,3,7,1]}
-PUZZLE:
-4 8 _  _ _ _  _ _ 5
-_ _ _  _ _ 7  2 3 _
-5 _ _  _ 4 _  1 _ _
-
-_ _ 4  _ 1 6  _ _ 7
-8 _ _  _ _ _  _ 6 _
-_ 6 _  _ _ 8  9 _ 1
-
-_ 7 _  _ _ _  _ 1 _
-3 _ _  _ 6 _  _ _ _
-_ _ 5  _ 3 _  _ _ 2
-
-SOLUTION:
-4 8 2  1 9 3  6 7 5
-1 9 6  8 5 7  2 3 4
-5 3 7  6 4 2  1 9 8
-
-9 5 4  3 1 6  8 2 7
-8 2 1  9 7 4  5 6 3
-7 6 3  5 2 8  9 4 1
-
-2 7 9  4 8 5  3 1 6
-3 4 8  2 6 1  7 5 9
-6 1 5  7 3 9  4 8 2
-
-RATING: 3.25
-DATA:
-{"puzzle":[0,null,null,6,null,2,4,null,null,null,null,null,1,null,null,8,null,null,8,2,null,null,null,null,7,null,6,7,null,null,null,null,null,null,null,8,null,null,null,null,5,null,null,7,2,null,4,null,null,null,null,null,null,null,null,5,null,7,null,null,6,null,null,3,null,null,null,1,null,null,null,null,1,null,null,0,null,null,null,null,3],"solution":[0,7,5,6,8,2,4,3,1,4,3,6,1,7,0,8,2,5,8,2,1,5,4,3,7,0,6,7,1,2,3,0,6,5,4,8,6,0,8,4,5,1,3,7,2,5,4,3,8,2,7,1,6,0,2,5,0,7,3,8,6,1,4,3,6,4,2,1,5,0,8,7,1,8,7,0,6,4,2,5,3]}
-PUZZLE:
-1 _ _  7 _ 3  5 _ _
-_ _ _  2 _ _  9 _ _
-9 3 _  _ _ _  8 _ 7
-
-8 _ _  _ _ _  _ _ 9
-_ _ _  _ 6 _  _ 8 3
-_ 5 _  _ _ _  _ _ _
-
-_ 6 _  8 _ _  7 _ _
-4 _ _  _ 2 _  _ _ _
-2 _ _  1 _ _  _ _ 4
-
-SOLUTION:
-1 8 6  7 9 3  5 4 2
-5 4 7  2 8 1  9 3 6
-9 3 2  6 5 4  8 1 7
-
-8 2 3  4 1 7  6 5 9
-7 1 9  5 6 2  4 8 3
-6 5 4  9 3 8  2 7 1
-
-3 6 1  8 4 9  7 2 5
-4 7 5  3 2 6  1 9 8
-2 9 8  1 7 5  3 6 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,null,8,4,null,null,null,null,null,3,6,null,null,null,null,2,null,null,null,null,null,7,null,6,null,null,6,null,8,null,null,0,null,null,null,null,null,0,null,null,null,null,3,null,2,5,null,3,null,4,null,null,null,null,null,null,6,null,null,5,null,2,7,null,null,null,null,null,null,null,null,5,4,null,null,null,null,null,null],"solution":[6,0,1,2,8,4,5,3,7,7,8,3,6,5,0,1,4,2,5,4,2,3,1,7,8,6,0,3,6,7,8,4,1,0,2,5,4,1,8,0,2,5,6,7,3,0,2,5,7,3,6,4,8,1,1,3,0,4,6,2,7,5,8,2,7,6,5,0,8,3,1,4,8,5,4,1,7,3,2,0,6]}
-PUZZLE:
-_ _ 2  _ 9 5  _ _ _
-_ _ 4  7 _ _  _ _ 3
-_ _ _  _ _ 8  _ 7 _
-
-_ 7 _  9 _ _  1 _ _
-_ _ _  1 _ _  _ _ 4
-_ 3 6  _ 4 _  5 _ _
-
-_ _ _  _ 7 _  _ 6 _
-3 8 _  _ _ _  _ _ _
-_ 6 5  _ _ _  _ _ _
-
-SOLUTION:
-7 1 2  3 9 5  6 4 8
-8 9 4  7 6 1  2 5 3
-6 5 3  4 2 8  9 7 1
-
-4 7 8  9 5 2  1 3 6
-5 2 9  1 3 6  7 8 4
-1 3 6  8 4 7  5 9 2
-
-2 4 1  5 7 3  8 6 9
-3 8 7  6 1 9  4 2 5
-9 6 5  2 8 4  3 1 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[2,null,null,null,null,null,null,null,null,1,null,5,null,null,6,null,7,0,6,null,null,null,null,7,3,1,4,null,null,null,null,null,null,null,null,null,null,null,null,3,7,null,0,null,null,null,2,null,null,null,1,null,null,5,null,null,null,null,null,null,4,3,null,null,0,null,7,4,null,null,6,null,7,3,null,null,8,null,null,null,null],"solution":[2,7,3,0,1,4,6,5,8,1,4,5,8,3,6,2,7,0,6,8,0,5,2,7,3,1,4,0,5,7,2,6,8,1,4,3,4,1,8,3,7,5,0,2,6,3,2,6,4,0,1,7,8,5,8,6,2,1,5,0,4,3,7,5,0,1,7,4,3,8,6,2,7,3,4,6,8,2,5,0,1]}
-PUZZLE:
-3 _ _  _ _ _  _ _ _
-2 _ 6  _ _ 7  _ 8 1
-7 _ _  _ _ 8  4 2 5
-
-_ _ _  _ _ _  _ _ _
-_ _ _  4 8 _  1 _ _
-_ 3 _  _ _ 2  _ _ 6
-
-_ _ _  _ _ _  5 4 _
-_ 1 _  8 5 _  _ 7 _
-8 4 _  _ 9 _  _ _ _
-
-SOLUTION:
-3 8 4  1 2 5  7 6 9
-2 5 6  9 4 7  3 8 1
-7 9 1  6 3 8  4 2 5
-
-1 6 8  3 7 9  2 5 4
-5 2 9  4 8 6  1 3 7
-4 3 7  5 1 2  8 9 6
-
-9 7 3  2 6 1  5 4 8
-6 1 2  8 5 4  9 7 3
-8 4 5  7 9 3  6 1 2
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,1,null,1,null,null,6,null,0,5,null,4,null,null,null,7,null,null,null,null,5,null,null,null,null,null,null,null,7,null,0,null,null,null,null,8,3,null,6,null,null,null,2,3,null,null,null,null,null,5,null,4,null,null,null,null,null,2,null,null,0,null,null,null,8,null,null,7,6,null,null,4,null,null],"solution":[8,5,6,2,3,0,7,4,1,7,1,2,8,6,4,0,5,3,4,3,0,1,7,5,2,8,6,5,4,3,0,8,1,6,2,7,2,0,1,7,5,6,8,3,4,6,7,8,4,2,3,5,1,0,0,6,5,3,4,8,1,7,2,1,2,4,5,0,7,3,6,8,3,8,7,6,1,2,4,0,5]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 2
-_ 2 _  _ 7 _  1 6 _
-5 _ _  _ 8 _  _ _ _
-
-6 _ _  _ _ _  _ _ 8
-_ 1 _  _ _ _  9 4 _
-7 _ _  _ 3 4  _ _ _
-
-_ _ 6  _ 5 _  _ _ _
-_ 3 _  _ 1 _  _ _ 9
-_ _ 8  7 _ _  5 _ _
-
-SOLUTION:
-9 6 7  3 4 1  8 5 2
-8 2 3  9 7 5  1 6 4
-5 4 1  2 8 6  3 9 7
-
-6 5 4  1 9 2  7 3 8
-3 1 2  8 6 7  9 4 5
-7 8 9  5 3 4  6 2 1
-
-1 7 6  4 5 9  2 8 3
-2 3 5  6 1 8  4 7 9
-4 9 8  7 2 3  5 1 6
-
-RATING: 2
-DATA:
-{"puzzle":[null,4,null,null,null,null,null,null,null,null,8,null,null,null,null,null,1,null,null,null,7,6,null,null,null,5,null,null,null,6,2,null,8,3,null,null,null,7,2,null,3,6,null,null,5,null,null,8,5,null,null,null,null,1,null,null,null,3,null,7,null,null,null,null,null,null,null,5,null,null,4,null,5,null,null,4,null,0,null,7,null],"solution":[6,4,1,8,0,5,7,3,2,0,8,5,7,2,3,6,1,4,2,3,7,6,4,1,0,5,8,4,5,6,2,1,8,3,0,7,1,7,2,0,3,6,4,8,5,3,0,8,5,7,4,2,6,1,8,1,4,3,6,7,5,2,0,7,6,0,1,5,2,8,4,3,5,2,3,4,8,0,1,7,6]}
-PUZZLE:
-_ 5 _  _ _ _  _ _ _
-_ 9 _  _ _ _  _ 2 _
-_ _ 8  7 _ _  _ 6 _
-
-_ _ 7  3 _ 9  4 _ _
-_ 8 3  _ 4 7  _ _ 6
-_ _ 9  6 _ _  _ _ 2
-
-_ _ _  4 _ 8  _ _ _
-_ _ _  _ 6 _  _ 5 _
-6 _ _  5 _ 1  _ 8 _
-
-SOLUTION:
-7 5 2  9 1 6  8 4 3
-1 9 6  8 3 4  7 2 5
-3 4 8  7 5 2  1 6 9
-
-5 6 7  3 2 9  4 1 8
-2 8 3  1 4 7  5 9 6
-4 1 9  6 8 5  3 7 2
-
-9 2 5  4 7 8  6 3 1
-8 7 1  2 6 3  9 5 4
-6 3 4  5 9 1  2 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,7,null,6,1,null,null,8,2,null,null,null,null,null,null,null,1,null,null,8,null,null,null,null,null,4,null,null,5,6,null,8,null,null,3,null,2,null,null,null,7,null,null,null,8,null,null,1,null,2,0,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,2,null,null,null,7,4,null,null,null,4,3,8,null,2,null],"solution":[4,7,5,6,1,3,0,8,2,0,6,2,8,4,7,5,1,3,1,8,3,0,5,2,7,4,6,7,5,6,1,8,4,2,3,0,2,4,0,3,7,6,1,5,8,8,3,1,5,2,0,4,6,7,3,2,4,7,6,1,8,0,5,6,1,8,2,0,5,3,7,4,5,0,7,4,3,8,6,2,1]}
-PUZZLE:
-_ 8 _  7 2 _  _ 9 3
-_ _ _  _ _ _  _ 2 _
-_ 9 _  _ _ _  _ 5 _
-
-_ 6 7  _ 9 _  _ 4 _
-3 _ _  _ 8 _  _ _ 9
-_ _ 2  _ 3 1  _ _ _
-
-_ _ _  _ _ _  _ _ _
-7 _ _  3 _ _  _ 8 5
-_ _ _  5 4 9  _ 3 _
-
-SOLUTION:
-5 8 6  7 2 4  1 9 3
-1 7 3  9 5 8  6 2 4
-2 9 4  1 6 3  8 5 7
-
-8 6 7  2 9 5  3 4 1
-3 5 1  4 8 7  2 6 9
-9 4 2  6 3 1  5 7 8
-
-4 3 5  8 7 2  9 1 6
-7 2 9  3 1 6  4 8 5
-6 1 8  5 4 9  7 3 2
-
-RATING: 1
-DATA:
-{"puzzle":[3,null,1,null,null,null,null,null,6,null,null,5,7,1,null,null,null,8,null,null,0,null,null,null,null,1,null,null,2,null,6,null,null,3,7,null,null,null,null,4,null,null,5,null,0,null,null,null,null,5,null,null,null,null,null,null,7,null,0,null,2,null,4,null,0,null,null,null,6,null,null,3,null,null,null,null,null,null,null,null,null],"solution":[3,8,1,0,4,5,7,2,6,6,4,5,7,1,2,0,3,8,2,7,0,8,6,3,4,1,5,5,2,4,6,8,0,3,7,1,7,6,3,4,2,1,5,8,0,0,1,8,3,5,7,6,4,2,1,3,7,5,0,8,2,6,4,4,0,2,1,7,6,8,5,3,8,5,6,2,3,4,1,0,7]}
-PUZZLE:
-4 _ 2  _ _ _  _ _ 7
-_ _ 6  8 2 _  _ _ 9
-_ _ 1  _ _ _  _ 2 _
-
-_ 3 _  7 _ _  4 8 _
-_ _ _  5 _ _  6 _ 1
-_ _ _  _ 6 _  _ _ _
-
-_ _ 8  _ 1 _  3 _ 5
-_ 1 _  _ _ 7  _ _ 4
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 9 2  1 5 6  8 3 7
-7 5 6  8 2 3  1 4 9
-3 8 1  9 7 4  5 2 6
-
-6 3 5  7 9 1  4 8 2
-8 7 4  5 3 2  6 9 1
-1 2 9  4 6 8  7 5 3
-
-2 4 8  6 1 9  3 7 5
-5 1 3  2 8 7  9 6 4
-9 6 7  3 4 5  2 1 8
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,0,5,null,null,null,6,null,1,null,2,null,null,null,null,null,null,null,null,4,3,null,null,null,1,2,8,null,null,null,1,null,null,2,null,null,null,6,null,0,null,null,null,null,null,null,null,null,null,4,8,7,null,null,null,5,2,null,null,null,null,1,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,8,4],"solution":[3,8,0,5,2,1,4,6,7,1,5,2,4,6,7,3,0,8,7,6,4,3,8,0,5,1,2,8,4,3,7,1,5,0,2,6,5,7,6,8,0,2,1,4,3,0,2,1,6,3,4,8,7,5,4,0,5,2,7,8,6,3,1,2,3,8,1,4,6,7,5,0,6,1,7,0,5,3,2,8,4]}
-PUZZLE:
-4 _ 1  6 _ _  _ 7 _
-2 _ 3  _ _ _  _ _ _
-_ _ 5  4 _ _  _ 2 3
-
-9 _ _  _ 2 _  _ 3 _
-_ _ 7  _ 1 _  _ _ _
-_ _ _  _ _ 5  9 8 _
-
-_ _ 6  3 _ _  _ _ 2
-_ _ _  _ _ _  8 _ _
-_ _ _  _ _ _  _ 9 5
-
-SOLUTION:
-4 9 1  6 3 2  5 7 8
-2 6 3  5 7 8  4 1 9
-8 7 5  4 9 1  6 2 3
-
-9 5 4  8 2 6  1 3 7
-6 8 7  9 1 3  2 5 4
-1 3 2  7 4 5  9 8 6
-
-5 1 6  3 8 9  7 4 2
-3 4 9  2 5 7  8 6 1
-7 2 8  1 6 4  3 9 5
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,5,1,null,null,3,null,null,6,3,6,null,null,null,null,null,null,7,null,null,null,null,6,7,null,0,null,4,2,null,null,null,null,null,8,null,null,null,null,null,null,null,5,null,2,null,null,null,null,null,8,6,null,3,2,null,null,null,null,1,null,null,5,6,1,4,null,7,null,null,null,null,null,null,null,null,null,null,null,7,null],"solution":[7,5,1,8,0,3,4,2,6,3,6,0,2,1,4,8,5,7,8,4,2,5,6,7,3,0,1,4,2,3,1,5,6,7,8,0,1,8,6,7,3,0,5,4,2,5,0,7,4,2,8,6,1,3,2,7,8,3,4,1,0,6,5,6,1,4,0,7,5,2,3,8,0,3,5,6,8,2,1,7,4]}
-PUZZLE:
-_ 6 2  _ _ 4  _ _ 7
-4 7 _  _ _ _  _ _ 8
-_ _ _  _ 7 8  _ 1 _
-
-5 3 _  _ _ _  _ 9 _
-_ _ _  _ _ _  6 _ 3
-_ _ _  _ _ 9  7 _ 4
-
-3 _ _  _ _ 2  _ _ 6
-7 2 5  _ 8 _  _ _ _
-_ _ _  _ _ _  _ 8 _
-
-SOLUTION:
-8 6 2  9 1 4  5 3 7
-4 7 1  3 2 5  9 6 8
-9 5 3  6 7 8  4 1 2
-
-5 3 4  2 6 7  8 9 1
-2 9 7  8 4 1  6 5 3
-6 1 8  5 3 9  7 2 4
-
-3 8 9  4 5 2  1 7 6
-7 2 5  1 8 6  3 4 9
-1 4 6  7 9 3  2 8 5
-
-RATING: 0
-DATA:
-{"puzzle":[5,null,2,8,null,null,6,null,null,1,null,null,3,null,null,7,null,null,3,null,null,null,null,null,4,null,0,null,2,null,4,null,1,null,null,6,null,null,null,null,6,null,null,null,null,null,null,null,null,null,7,null,null,null,null,4,8,6,null,null,0,null,null,null,null,5,null,null,2,null,8,null,2,null,null,null,null,null,null,null,null],"solution":[5,0,2,8,7,4,6,3,1,1,6,4,3,2,0,7,5,8,3,8,7,5,1,6,4,2,0,0,2,3,4,5,1,8,7,6,8,7,1,0,6,3,2,4,5,4,5,6,2,8,7,1,0,3,7,4,8,6,3,5,0,1,2,6,1,5,7,0,2,3,8,4,2,3,0,1,4,8,5,6,7]}
-PUZZLE:
-6 _ 3  9 _ _  7 _ _
-2 _ _  4 _ _  8 _ _
-4 _ _  _ _ _  5 _ 1
-
-_ 3 _  5 _ 2  _ _ 7
-_ _ _  _ 7 _  _ _ _
-_ _ _  _ _ 8  _ _ _
-
-_ 5 9  7 _ _  1 _ _
-_ _ 6  _ _ 3  _ 9 _
-3 _ _  _ _ _  _ _ _
-
-SOLUTION:
-6 1 3  9 8 5  7 4 2
-2 7 5  4 3 1  8 6 9
-4 9 8  6 2 7  5 3 1
-
-1 3 4  5 6 2  9 8 7
-9 8 2  1 7 4  3 5 6
-5 6 7  3 9 8  2 1 4
-
-8 5 9  7 4 6  1 2 3
-7 2 6  8 1 3  4 9 5
-3 4 1  2 5 9  6 7 8
-
-RATING: 4.5
-DATA:
-{"puzzle":[null,null,null,null,null,null,7,null,null,4,null,6,5,null,null,null,0,null,null,null,1,null,null,8,null,null,null,null,7,null,null,2,5,null,null,8,1,null,null,null,null,null,3,null,null,6,3,2,1,null,null,null,7,null,null,null,3,null,null,null,1,null,4,null,null,null,null,6,null,2,null,null,null,null,0,null,null,null,null,null,null],"solution":[3,0,8,4,1,2,7,5,6,4,2,6,5,3,7,8,0,1,7,5,1,6,0,8,4,2,3,0,7,4,3,2,5,6,1,8,1,8,5,0,7,6,3,4,2,6,3,2,1,8,4,0,7,5,2,6,3,7,5,0,1,8,4,5,4,7,8,6,1,2,3,0,8,1,0,2,4,3,5,6,7]}
-PUZZLE:
-_ _ _  _ _ _  8 _ _
-5 _ 7  6 _ _  _ 1 _
-_ _ 2  _ _ 9  _ _ _
-
-_ 8 _  _ 3 6  _ _ 9
-2 _ _  _ _ _  4 _ _
-7 4 3  2 _ _  _ 8 _
-
-_ _ 4  _ _ _  2 _ 5
-_ _ _  _ 7 _  3 _ _
-_ _ 1  _ _ _  _ _ _
-
-SOLUTION:
-4 1 9  5 2 3  8 6 7
-5 3 7  6 4 8  9 1 2
-8 6 2  7 1 9  5 3 4
-
-1 8 5  4 3 6  7 2 9
-2 9 6  1 8 7  4 5 3
-7 4 3  2 9 5  1 8 6
-
-3 7 4  8 6 1  2 9 5
-6 5 8  9 7 2  3 4 1
-9 2 1  3 5 4  6 7 8
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,6,null,null,null,2,0,null,4,null,null,null,5,1,null,2,null,null,null,null,null,null,null,null,null,null,5,6,4,null,null,null,0,null,null,null,null,2,null,null,null,null,null,null,null,8,null,0,7,null,null,null,6,null,null,8,null,null,null,1,null,null,3,null,7,null,8,0,null,null,5,2,null,1,null,4,null,null,8,null,null],"solution":[5,6,8,3,7,2,0,1,4,7,0,4,5,1,6,2,3,8,2,3,1,0,4,8,6,7,5,6,4,3,1,8,0,5,2,7,1,2,7,6,3,5,4,8,0,8,5,0,7,2,4,3,6,1,0,8,5,2,6,1,7,4,3,4,7,6,8,0,3,1,5,2,3,1,2,4,5,7,8,0,6]}
-PUZZLE:
-_ 7 _  _ _ 3  1 _ 5
-_ _ _  6 2 _  3 _ _
-_ _ _  _ _ _  _ _ 6
-
-7 5 _  _ _ 1  _ _ _
-_ 3 _  _ _ _  _ _ _
-9 _ 1  8 _ _  _ 7 _
-
-_ 9 _  _ _ 2  _ _ 4
-_ 8 _  9 1 _  _ 6 3
-_ 2 _  5 _ _  9 _ _
-
-SOLUTION:
-6 7 9  4 8 3  1 2 5
-8 1 5  6 2 7  3 4 9
-3 4 2  1 5 9  7 8 6
-
-7 5 4  2 9 1  6 3 8
-2 3 8  7 4 6  5 9 1
-9 6 1  8 3 5  4 7 2
-
-1 9 6  3 7 2  8 5 4
-5 8 7  9 1 4  2 6 3
-4 2 3  5 6 8  9 1 7
-
-RATING: 4.25
-DATA:
-{"puzzle":[null,null,4,null,null,2,null,null,null,null,null,null,null,null,null,null,2,null,null,2,null,4,8,null,3,null,null,null,null,null,null,3,null,8,1,null,null,null,null,6,null,null,4,7,null,3,null,null,null,null,null,null,null,5,null,null,null,1,0,null,null,null,2,null,0,null,null,null,null,null,null,6,null,null,5,null,2,4,1,null,null],"solution":[5,7,4,3,6,2,0,8,1,8,1,3,5,7,0,6,2,4,0,2,6,4,8,1,3,5,7,4,6,7,2,3,5,8,1,0,2,5,0,6,1,8,4,7,3,3,8,1,0,4,7,2,6,5,7,4,8,1,0,6,5,3,2,1,0,2,8,5,3,7,4,6,6,3,5,7,2,4,1,0,8]}
-PUZZLE:
-_ _ 5  _ _ 3  _ _ _
-_ _ _  _ _ _  _ 3 _
-_ 3 _  5 9 _  4 _ _
-
-_ _ _  _ 4 _  9 2 _
-_ _ _  7 _ _  5 8 _
-4 _ _  _ _ _  _ _ 6
-
-_ _ _  2 1 _  _ _ 3
-_ 1 _  _ _ _  _ _ 7
-_ _ 6  _ 3 5  2 _ _
-
-SOLUTION:
-6 8 5  4 7 3  1 9 2
-9 2 4  6 8 1  7 3 5
-1 3 7  5 9 2  4 6 8
-
-5 7 8  3 4 6  9 2 1
-3 6 1  7 2 9  5 8 4
-4 9 2  1 5 8  3 7 6
-
-8 5 9  2 1 7  6 4 3
-2 1 3  9 6 4  8 5 7
-7 4 6  8 3 5  2 1 9
-
-RATING: 0
-DATA:
-{"puzzle":[1,8,null,null,null,null,3,6,null,2,null,null,null,null,0,null,5,null,null,4,5,null,null,null,null,null,null,null,2,null,null,null,5,null,null,8,null,null,null,null,2,null,null,4,null,6,null,null,null,4,null,null,null,5,null,null,2,3,null,null,null,null,null,3,null,null,7,null,null,null,null,null,4,null,null,null,null,null,1,null,7],"solution":[1,8,0,5,7,2,3,6,4,2,6,3,4,8,0,7,5,1,7,4,5,6,1,3,8,2,0,0,2,4,1,3,5,6,7,8,5,1,7,8,2,6,0,4,3,6,3,8,0,4,7,2,1,5,8,7,2,3,5,1,4,0,6,3,0,1,7,6,4,5,8,2,4,5,6,2,0,8,1,3,7]}
-PUZZLE:
-2 9 _  _ _ _  4 7 _
-3 _ _  _ _ 1  _ 6 _
-_ 5 6  _ _ _  _ _ _
-
-_ 3 _  _ _ 6  _ _ 9
-_ _ _  _ 3 _  _ 5 _
-7 _ _  _ 5 _  _ _ 6
-
-_ _ 3  4 _ _  _ _ _
-4 _ _  8 _ _  _ _ _
-5 _ _  _ _ _  2 _ 8
-
-SOLUTION:
-2 9 1  6 8 3  4 7 5
-3 7 4  5 9 1  8 6 2
-8 5 6  7 2 4  9 3 1
-
-1 3 5  2 4 6  7 8 9
-6 2 8  9 3 7  1 5 4
-7 4 9  1 5 8  3 2 6
-
-9 8 3  4 6 2  5 1 7
-4 1 2  8 7 5  6 9 3
-5 6 7  3 1 9  2 4 8
-
-RATING: 3.5
-DATA:
-{"puzzle":[null,5,null,2,null,null,null,6,0,2,null,null,null,null,null,null,null,5,8,3,null,null,4,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,0,null,7,6,null,8,null,null,6,null,null,3,null,null,null,8,null,7,null,null,null,null,null,0,null,null,null,null,1,null,2,null,null,2,null,null,null,null,0,null],"solution":[4,5,1,2,8,7,3,6,0,2,7,6,1,0,3,4,8,5,8,3,0,5,4,6,7,2,1,6,2,7,3,5,4,0,1,8,1,4,3,8,2,0,5,7,6,0,8,5,7,6,1,2,3,4,5,1,8,0,7,2,6,4,3,7,0,4,6,3,8,1,5,2,3,6,2,4,1,5,8,0,7]}
-PUZZLE:
-_ 6 _  3 _ _  _ 7 1
-3 _ _  _ _ _  _ _ 6
-9 4 _  _ 5 _  _ _ _
-
-_ _ _  _ 6 _  _ _ _
-_ _ _  _ _ 1  _ 8 7
-_ 9 _  _ 7 _  _ 4 _
-
-_ _ 9  _ 8 _  _ _ _
-_ 1 _  _ _ _  2 _ 3
-_ _ 3  _ _ _  _ 1 _
-
-SOLUTION:
-5 6 2  3 9 8  4 7 1
-3 8 7  2 1 4  5 9 6
-9 4 1  6 5 7  8 3 2
-
-7 3 8  4 6 5  1 2 9
-2 5 4  9 3 1  6 8 7
-1 9 6  8 7 2  3 4 5
-
-6 2 9  1 8 3  7 5 4
-8 1 5  7 4 9  2 6 3
-4 7 3  5 2 6  9 1 8
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,7,null,null,5,null,8,null,4,2,null,1,null,null,null,4,null,8,null,null,0,7,null,null,null,5,null,null,null,null,null,6,8,2,3,null,null,4,null,3,null,null,null,7,null,null,null,null,null,null,null,null,6,2,null,5,null,4,null,null,7,null,null,null,null,null,null,null,null,null,null,null,6,null],"solution":[4,8,0,6,5,2,3,1,7,7,6,5,3,8,1,4,2,0,1,2,3,7,4,0,8,5,6,0,7,8,4,1,5,6,3,2,5,1,6,8,2,3,0,7,4,2,3,4,0,6,7,5,8,1,8,0,7,1,3,6,2,4,5,6,4,2,5,7,8,1,0,3,3,5,1,2,0,4,7,6,8]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 8
-_ _ 6  _ 9 _  5 3 _
-2 _ _  _ 5 _  9 _ _
-
-1 8 _  _ _ 6  _ _ _
-_ _ 7  9 3 4  _ _ 5
-_ 4 _  _ _ 8  _ _ _
-
-_ _ _  _ _ 7  3 _ 6
-_ 5 _  _ 8 _  _ _ _
-_ _ _  _ _ _  _ 7 _
-
-SOLUTION:
-5 9 1  7 6 3  4 2 8
-8 7 6  4 9 2  5 3 1
-2 3 4  8 5 1  9 6 7
-
-1 8 9  5 2 6  7 4 3
-6 2 7  9 3 4  1 8 5
-3 4 5  1 7 8  6 9 2
-
-9 1 8  2 4 7  3 5 6
-7 5 3  6 8 9  2 1 4
-4 6 2  3 1 5  8 7 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,6,7,3,5,null,null,6,null,null,null,3,null,null,null,null,null,null,5,null,null,null,null,null,null,null,1,null,null,null,null,null,3,5,null,null,6,null,4,null,null,2,6,2,null,null,null,null,null,1,null,null,null,7,3,null,null,6,null,null,null,1,null,null,5,null,0,null,null,null,3,null,8,null,2,null,null,null],"solution":[1,8,0,2,6,7,3,5,4,7,6,5,1,4,3,2,8,0,3,4,2,5,8,0,1,7,6,8,0,1,7,2,5,4,6,3,5,7,3,6,1,4,8,0,2,6,2,4,0,3,8,7,1,5,4,5,7,3,0,1,6,2,8,2,1,8,4,5,6,0,3,7,0,3,6,8,7,2,5,4,1]}
-PUZZLE:
-_ _ _  _ 7 8  4 6 _
-_ 7 _  _ _ 4  _ _ _
-_ _ _  6 _ _  _ _ _
-
-_ _ 2  _ _ _  _ _ 4
-6 _ _  7 _ 5  _ _ 3
-7 3 _  _ _ _  _ 2 _
-
-_ _ 8  4 _ _  7 _ _
-_ 2 _  _ 6 _  1 _ _
-_ 4 _  9 _ 3  _ _ _
-
-SOLUTION:
-2 9 1  3 7 8  4 6 5
-8 7 6  2 5 4  3 9 1
-4 5 3  6 9 1  2 8 7
-
-9 1 2  8 3 6  5 7 4
-6 8 4  7 2 5  9 1 3
-7 3 5  1 4 9  8 2 6
-
-5 6 8  4 1 2  7 3 9
-3 2 9  5 6 7  1 4 8
-1 4 7  9 8 3  6 5 2
-
-RATING: 2.25
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,8,null,null,8,null,1,null,6,0,3,null,null,null,null,null,null,null,null,null,1,6,null,null,null,null,null,8,null,null,null,null,0,3,null,5,null,null,null,null,3,null,4,null,null,null,1,6,null,4,5,null,null,null,null,null,null,0,null,null,null,null,3,null,null,null,null,null,null,5,null,0,4,null,null],"solution":[3,7,1,0,2,4,6,8,5,4,8,2,1,5,6,0,3,7,5,0,6,8,3,7,2,4,1,6,5,4,2,7,1,8,0,3,8,1,0,3,6,5,7,2,4,2,3,7,4,0,8,5,1,6,1,4,5,6,8,2,3,7,0,0,6,8,7,4,3,1,5,2,7,2,3,5,1,0,4,6,8]}
-PUZZLE:
-_ _ _  _ 3 _  _ 9 _
-_ 9 _  2 _ 7  1 4 _
-_ _ _  _ _ _  _ _ 2
-
-7 _ _  _ _ _  9 _ _
-_ _ 1  4 _ 6  _ _ _
-_ 4 _  5 _ _  _ 2 7
-
-_ 5 6  _ _ _  _ _ _
-1 _ _  _ _ 4  _ _ _
-_ _ _  6 _ 1  5 _ _
-
-SOLUTION:
-4 8 2  1 3 5  7 9 6
-5 9 3  2 6 7  1 4 8
-6 1 7  9 4 8  3 5 2
-
-7 6 5  3 8 2  9 1 4
-9 2 1  4 7 6  8 3 5
-3 4 8  5 1 9  6 2 7
-
-2 5 6  7 9 3  4 8 1
-1 7 9  8 5 4  2 6 3
-8 3 4  6 2 1  5 7 9
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,4,null,null,null,null,5,7,1,null,null,3,null,6,null,4,null,null,0,null,null,8,null,null,null,1,null,null,null,null,null,null,null,null,null,6,null,8,null,null,2,null,null,null,4,null,null,null,5,null,0,null,null,null,null,null,null,0,null,null,null,8,null,null,null,null,null,null,3,6,null,3,null,null,null,null,1,null,null],"solution":[6,8,3,4,7,1,0,2,5,7,1,5,0,3,2,6,8,4,4,2,0,6,5,8,3,1,7,1,5,8,2,0,7,4,6,3,0,6,7,8,4,3,2,5,1,3,4,2,1,6,5,7,0,8,5,7,6,3,1,0,8,4,2,8,0,1,7,2,4,5,3,6,2,3,4,5,8,6,1,7,0]}
-PUZZLE:
-_ _ _  5 _ _  _ _ 6
-8 2 _  _ 4 _  7 _ 5
-_ _ 1  _ _ 9  _ _ _
-
-2 _ _  _ _ _  _ _ _
-_ 7 _  9 _ _  3 _ _
-_ 5 _  _ _ 6  _ 1 _
-
-_ _ _  _ _ 1  _ _ _
-9 _ _  _ _ _  _ 4 7
-_ 4 _  _ _ _  2 _ _
-
-SOLUTION:
-7 9 4  5 8 2  1 3 6
-8 2 6  1 4 3  7 9 5
-5 3 1  7 6 9  4 2 8
-
-2 6 9  3 1 8  5 7 4
-1 7 8  9 5 4  3 6 2
-4 5 3  2 7 6  8 1 9
-
-6 8 7  4 2 1  9 5 3
-9 1 2  8 3 5  6 4 7
-3 4 5  6 9 7  2 8 1
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,4,null,null,null,null,0,8,7,null,null,null,null,8,null,null,null,null,null,1,6,null,null,null,null,null,null,null,null,null,1,5,0,null,7,null,null,null,7,6,null,null,2,null,null,3,null,null,null,null,null,1,null,null,null,null,null,2,6,8,null,4,null,null,null,2,null,null,null,null,null,null,null,null,null,0,null,4,3,null,null],"solution":[2,4,5,3,1,6,0,8,7,7,0,3,4,8,2,5,1,6,8,1,6,7,0,5,4,3,2,6,2,4,1,5,0,8,7,3,1,8,7,6,4,3,2,5,0,3,5,0,8,2,7,1,6,4,0,3,1,2,6,8,7,4,5,4,7,2,5,3,1,6,0,8,5,6,8,0,7,4,3,2,1]}
-PUZZLE:
-_ 5 _  _ _ _  1 9 8
-_ _ _  _ 9 _  _ _ _
-_ 2 7  _ _ _  _ _ _
-
-_ _ _  2 6 1  _ 8 _
-_ _ 8  7 _ _  3 _ _
-4 _ _  _ _ _  2 _ _
-
-_ _ _  3 7 9  _ 5 _
-_ _ 3  _ _ _  _ _ _
-_ _ _  1 _ 5  4 _ _
-
-SOLUTION:
-3 5 6  4 2 7  1 9 8
-8 1 4  5 9 3  6 2 7
-9 2 7  8 1 6  5 4 3
-
-7 3 5  2 6 1  9 8 4
-2 9 8  7 5 4  3 6 1
-4 6 1  9 3 8  2 7 5
-
-1 4 2  3 7 9  8 5 6
-5 8 3  6 4 2  7 1 9
-6 7 9  1 8 5  4 3 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,4,null,2,null,8,null,5,2,null,null,null,6,null,null,null,null,null,null,null,1,null,null,3,null,null,8,null,null,null,null,0,2,null,null,null,1,null,null,7,6,null,null,null,null,6,null,null,null,null,null,null,1,7,3,null,4,null,null,null,null,null,4,null,null,0,null,null,null,2,null,null,null,null,null,0,null,7],"solution":[7,3,1,0,4,6,2,5,8,4,5,2,8,7,3,6,1,0,8,0,6,2,5,1,4,7,3,6,7,8,4,3,5,1,0,2,3,4,0,1,8,2,7,6,5,1,2,5,6,0,7,8,3,4,0,1,7,3,2,4,5,8,6,5,8,4,7,6,0,3,2,1,2,6,3,5,1,8,0,4,7]}
-PUZZLE:
-_ _ _  _ 5 _  3 _ 9
-_ 6 3  _ _ _  7 _ _
-_ _ _  _ _ 2  _ _ 4
-
-_ _ 9  _ _ _  _ 1 3
-_ _ _  2 _ _  8 7 _
-_ _ _  7 _ _  _ _ _
-
-_ 2 8  4 _ 5  _ _ _
-_ _ 5  _ _ 1  _ _ _
-3 _ _  _ _ _  1 _ 8
-
-SOLUTION:
-8 4 2  1 5 7  3 6 9
-5 6 3  9 8 4  7 2 1
-9 1 7  3 6 2  5 8 4
-
-7 8 9  5 4 6  2 1 3
-4 5 1  2 9 3  8 7 6
-2 3 6  7 1 8  9 4 5
-
-1 2 8  4 3 5  6 9 7
-6 9 5  8 7 1  4 3 2
-3 7 4  6 2 9  1 5 8
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,null,null,8,null,null,3,null,1,null,null,4,null,null,null,null,8,0,null,null,null,null,7,null,2,null,4,null,1,6,3,null,0,null,null,2,null,2,null,null,5,null,0,null,null,null,null,5,6,null,null,null,null,null,null,null,null,null,3,1,null,6,null,null,null,1,4,null,null,null,null,null,null,6,null,null,null,null,null,null,null],"solution":[6,0,2,8,4,5,3,7,1,5,7,4,1,2,3,6,8,0,1,8,3,0,7,6,2,5,4,7,1,6,3,8,0,5,4,2,3,2,8,7,5,4,0,1,6,0,4,5,6,1,2,7,3,8,8,5,0,2,3,1,4,6,7,2,3,1,4,6,7,8,0,5,4,6,7,5,0,8,1,2,3]}
-PUZZLE:
-_ _ _  9 _ _  4 _ 2
-_ _ 5  _ _ _  _ 9 1
-_ _ _  _ 8 _  3 _ 5
-
-_ 2 7  4 _ 1  _ _ 3
-_ 3 _  _ 6 _  1 _ _
-_ _ 6  7 _ _  _ _ _
-
-_ _ _  _ 4 2  _ 7 _
-_ _ 2  5 _ _  _ _ _
-_ 7 _  _ _ _  _ _ _
-
-SOLUTION:
-7 1 3  9 5 6  4 8 2
-6 8 5  2 3 4  7 9 1
-2 9 4  1 8 7  3 6 5
-
-8 2 7  4 9 1  6 5 3
-4 3 9  8 6 5  1 2 7
-1 5 6  7 2 3  8 4 9
-
-9 6 1  3 4 2  5 7 8
-3 4 2  5 7 8  9 1 6
-5 7 8  6 1 9  2 3 4
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,2,1,null,7,null,1,6,null,null,0,null,null,null,null,null,null,null,4,3,null,8,null,null,6,1,null,null,null,null,null,null,null,2,null,null,null,null,7,null,6,null,null,null,null,3,null,0,null,null,null,null,null,null,null,null,null,0,5,3,null,0,null,null,1,8,null,null,4,null,4,null,null,null,null,null,null,null],"solution":[0,3,4,8,2,1,6,7,5,1,6,8,7,0,5,3,4,2,7,2,5,4,3,6,8,0,1,6,1,0,2,8,4,5,3,7,2,8,3,1,5,7,4,6,0,4,5,7,3,6,0,2,1,8,8,7,1,6,4,2,0,5,3,3,0,6,5,1,8,7,2,4,5,4,2,0,7,3,1,8,6]}
-PUZZLE:
-_ _ _  _ 3 2  _ 8 _
-2 7 _  _ 1 _  _ _ _
-_ _ _  5 4 _  9 _ _
-
-7 2 _  _ _ _  _ _ _
-3 _ _  _ _ 8  _ 7 _
-_ _ _  4 _ 1  _ _ _
-
-_ _ _  _ _ _  1 6 4
-_ 1 _  _ 2 9  _ _ 5
-_ 5 _  _ _ _  _ _ _
-
-SOLUTION:
-1 4 5  9 3 2  7 8 6
-2 7 9  8 1 6  4 5 3
-8 3 6  5 4 7  9 1 2
-
-7 2 1  3 9 5  6 4 8
-3 9 4  2 6 8  5 7 1
-5 6 8  4 7 1  3 2 9
-
-9 8 2  7 5 3  1 6 4
-4 1 7  6 2 9  8 3 5
-6 5 3  1 8 4  2 9 7
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,6,null,5,null,null,null,null,0,null,null,4,null,null,7,5,3,2,null,3,null,null,2,0,1,null,null,null,null,6,7,1,null,2,null,null,2,1,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,null,null,null,0,3,5,null,null,8,null,8,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,5,null],"solution":[7,6,2,5,3,1,8,4,0,1,0,4,6,8,7,5,3,2,5,3,8,4,2,0,1,6,7,3,4,6,7,1,5,2,0,8,2,1,5,8,0,6,3,7,4,0,8,7,2,4,3,6,1,5,6,7,0,3,5,2,4,8,1,8,5,3,1,7,4,0,2,6,4,2,1,0,6,8,7,5,3]}
-PUZZLE:
-_ 7 _  6 _ _  _ _ 1
-_ _ 5  _ _ 8  6 4 3
-_ 4 _  _ 3 1  2 _ _
-
-_ _ 7  8 2 _  3 _ _
-3 2 _  _ _ _  4 _ _
-_ _ _  _ _ _  _ _ _
-
-_ _ 1  4 6 _  _ 9 _
-9 _ _  _ _ _  _ _ _
-_ _ _  _ 7 _  _ 6 _
-
-SOLUTION:
-8 7 3  6 4 2  9 5 1
-2 1 5  7 9 8  6 4 3
-6 4 9  5 3 1  2 7 8
-
-4 5 7  8 2 6  3 1 9
-3 2 6  9 1 7  4 8 5
-1 9 8  3 5 4  7 2 6
-
-7 8 1  4 6 3  5 9 2
-9 6 4  2 8 5  1 3 7
-5 3 2  1 7 9  8 6 4
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,7,null,2,null,null,null,null,null,null,4,3,null,null,0,null,null,0,null,3,7,8,5,null,null,null,null,8,null,null,5,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,2,8,null,6,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,2,null,null,3,null,null,5,0,3,null,null,8,6],"solution":[6,1,7,4,2,0,8,3,5,8,5,4,3,6,1,0,2,7,0,2,3,7,8,5,6,1,4,4,8,0,1,5,7,3,6,2,7,6,1,2,0,3,4,5,8,5,3,2,8,4,6,7,0,1,3,4,6,5,1,8,2,7,0,1,0,8,6,7,2,5,4,3,2,7,5,0,3,4,1,8,6]}
-PUZZLE:
-_ _ 8  _ 3 _  _ _ _
-_ _ 5  4 _ _  1 _ _
-1 _ 4  8 9 6  _ _ _
-
-_ 9 _  _ 6 _  _ _ _
-_ _ _  _ _ _  5 _ _
-_ _ 3  9 _ 7  _ 1 _
-
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 8 3  _ _ 4
-_ _ 6  1 4 _  _ 9 7
-
-SOLUTION:
-7 2 8  5 3 1  9 4 6
-9 6 5  4 7 2  1 3 8
-1 3 4  8 9 6  7 2 5
-
-5 9 1  2 6 8  4 7 3
-8 7 2  3 1 4  5 6 9
-6 4 3  9 5 7  8 1 2
-
-4 5 7  6 2 9  3 8 1
-2 1 9  7 8 3  6 5 4
-3 8 6  1 4 5  2 9 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,7,null,null,8,1,null,null,6,null,null,3,null,null,6,null,2,null,null,null,1,null,4,null,1,6,null,null,null,null,7,null,null,null,5,null,null,null,null,null,3,null,2,null,0,null,null,null,2,null,null,null,8,null,null,null,6,null,null,null,null,null,null,3,8,4,null,null,null,null,null,null,null,1,null],"solution":[4,2,0,3,1,5,6,7,8,5,8,1,7,4,6,2,0,3,3,7,6,0,2,8,5,4,1,0,4,5,1,6,3,8,2,7,7,6,2,8,5,4,1,3,0,1,3,8,2,7,0,4,6,5,2,0,3,4,8,1,7,5,6,6,1,7,5,0,2,3,8,4,8,5,4,6,3,7,0,1,2]}
-PUZZLE:
-_ _ _  _ _ 6  _ 8 _
-_ 9 2  _ _ 7  _ _ 4
-_ _ 7  _ 3 _  _ _ 2
-
-_ 5 _  2 7 _  _ _ _
-8 _ _  _ 6 _  _ _ _
-_ 4 _  3 _ 1  _ _ _
-
-3 _ _  _ 9 _  _ _ 7
-_ _ _  _ _ _  4 9 5
-_ _ _  _ _ _  _ 2 _
-
-SOLUTION:
-5 3 1  4 2 6  7 8 9
-6 9 2  8 5 7  3 1 4
-4 8 7  1 3 9  6 5 2
-
-1 5 6  2 7 4  9 3 8
-8 7 3  9 6 5  2 4 1
-2 4 9  3 8 1  5 7 6
-
-3 1 4  5 9 2  8 6 7
-7 2 8  6 1 3  4 9 5
-9 6 5  7 4 8  1 2 3
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,4,3,5,1,2,null,null,null,8,null,null,null,null,3,null,7,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,0,5,null,null,null,7,6,null,8,null,null,null,null,null,2,0,null,1,null,7,null,1,null,null,null,8,null,null,3,null,null,8,null,null,null,null,2,null],"solution":[7,4,3,5,1,2,0,6,8,8,6,2,0,4,3,5,7,1,0,5,1,6,8,7,2,3,4,5,8,7,1,2,0,3,4,6,1,2,6,8,3,4,7,0,5,3,0,4,7,6,5,8,1,2,4,3,5,2,0,6,1,8,7,2,1,0,4,7,8,6,5,3,6,7,8,3,5,1,4,2,0]}
-PUZZLE:
-_ 5 4  6 2 3  _ _ _
-9 _ _  _ _ 4  _ 8 _
-_ 6 _  _ _ _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-_ 3 _  _ _ _  _ 1 6
-_ _ _  8 7 _  9 _ _
-
-_ _ _  3 1 _  2 _ 8
-_ 2 _  _ _ 9  _ _ 4
-_ _ 9  _ _ _  _ 3 _
-
-SOLUTION:
-8 5 4  6 2 3  1 7 9
-9 7 3  1 5 4  6 8 2
-1 6 2  7 9 8  3 4 5
-
-6 9 8  2 3 1  4 5 7
-2 3 7  9 4 5  8 1 6
-4 1 5  8 7 6  9 2 3
-
-5 4 6  3 1 7  2 9 8
-3 2 1  5 8 9  7 6 4
-7 8 9  4 6 2  5 3 1
-
-RATING: 0
-DATA:
-{"puzzle":[2,null,3,null,6,null,null,null,null,null,0,null,null,null,null,7,null,null,null,null,null,8,4,null,null,null,null,null,null,8,null,null,1,null,null,null,7,null,null,null,null,null,null,null,null,null,null,null,null,null,5,0,1,null,0,null,null,null,null,8,3,null,4,null,null,null,null,null,null,null,2,null,4,3,6,0,2,null,null,null,null],"solution":[2,5,3,7,6,0,8,4,1,8,0,4,1,5,2,7,3,6,6,7,1,8,4,3,5,0,2,5,4,8,3,0,1,2,6,7,7,1,0,2,8,6,4,5,3,3,6,2,4,7,5,0,1,8,0,2,5,6,1,8,3,7,4,1,8,7,5,3,4,6,2,0,4,3,6,0,2,7,1,8,5]}
-PUZZLE:
-3 _ 4  _ 7 _  _ _ _
-_ 1 _  _ _ _  8 _ _
-_ _ _  9 5 _  _ _ _
-
-_ _ 9  _ _ 2  _ _ _
-8 _ _  _ _ _  _ _ _
-_ _ _  _ _ 6  1 2 _
-
-1 _ _  _ _ 9  4 _ 5
-_ _ _  _ _ _  _ 3 _
-5 4 7  1 3 _  _ _ _
-
-SOLUTION:
-3 6 4  8 7 1  9 5 2
-9 1 5  2 6 3  8 4 7
-7 8 2  9 5 4  6 1 3
-
-6 5 9  4 1 2  3 7 8
-8 2 1  3 9 7  5 6 4
-4 7 3  5 8 6  1 2 9
-
-1 3 6  7 2 9  4 8 5
-2 9 8  6 4 5  7 3 1
-5 4 7  1 3 8  2 9 6
-
-RATING: 2
-DATA:
-{"puzzle":[null,2,null,null,0,null,7,null,null,null,null,5,null,null,null,null,null,8,7,null,4,null,null,1,6,null,null,1,null,null,5,null,null,null,6,null,null,null,null,0,null,null,null,null,null,null,null,0,null,3,null,8,null,4,null,null,2,null,null,null,null,null,null,null,null,null,null,null,4,null,7,null,null,4,8,2,null,null,0,null,null],"solution":[8,2,1,6,0,5,7,4,3,6,0,5,4,7,3,1,2,8,7,3,4,8,2,1,6,0,5,1,8,7,5,4,2,3,6,0,4,6,3,0,1,8,2,5,7,2,5,0,7,3,6,8,1,4,3,7,2,1,5,0,4,8,6,0,1,6,3,8,4,5,7,2,5,4,8,2,6,7,0,3,1]}
-PUZZLE:
-_ 3 _  _ 1 _  8 _ _
-_ _ 6  _ _ _  _ _ 9
-8 _ 5  _ _ 2  7 _ _
-
-2 _ _  6 _ _  _ 7 _
-_ _ _  1 _ _  _ _ _
-_ _ 1  _ 4 _  9 _ 5
-
-_ _ 3  _ _ _  _ _ _
-_ _ _  _ _ 5  _ 8 _
-_ 5 9  3 _ _  1 _ _
-
-SOLUTION:
-9 3 2  7 1 6  8 5 4
-7 1 6  5 8 4  2 3 9
-8 4 5  9 3 2  7 1 6
-
-2 9 8  6 5 3  4 7 1
-5 7 4  1 2 9  3 6 8
-3 6 1  8 4 7  9 2 5
-
-4 8 3  2 6 1  5 9 7
-1 2 7  4 9 5  6 8 3
-6 5 9  3 7 8  1 4 2
-
-RATING: 2.25
-DATA:
-{"puzzle":[6,7,null,null,null,3,null,null,null,4,null,1,null,null,null,null,null,null,null,5,null,null,null,null,8,null,null,1,null,null,3,0,null,null,null,8,null,null,6,null,null,null,null,null,0,null,null,2,1,null,4,null,6,null,null,null,5,null,null,null,null,8,null,null,null,null,null,null,2,1,null,null,0,null,null,4,5,null,null,null,7],"solution":[6,7,8,5,1,3,0,4,2,4,3,1,8,2,0,5,7,6,2,5,0,6,4,7,8,3,1,1,4,7,3,0,6,2,5,8,3,8,6,2,7,5,4,1,0,5,0,2,1,8,4,7,6,3,7,2,5,0,6,1,3,8,4,8,6,4,7,3,2,1,0,5,0,1,3,4,5,8,6,2,7]}
-PUZZLE:
-7 8 _  _ _ 4  _ _ _
-5 _ 2  _ _ _  _ _ _
-_ 6 _  _ _ _  9 _ _
-
-2 _ _  4 1 _  _ _ 9
-_ _ 7  _ _ _  _ _ 1
-_ _ 3  2 _ 5  _ 7 _
-
-_ _ 6  _ _ _  _ 9 _
-_ _ _  _ _ 3  2 _ _
-1 _ _  5 6 _  _ _ 8
-
-SOLUTION:
-7 8 9  6 2 4  1 5 3
-5 4 2  9 3 1  6 8 7
-3 6 1  7 5 8  9 4 2
-
-2 5 8  4 1 7  3 6 9
-4 9 7  3 8 6  5 2 1
-6 1 3  2 9 5  8 7 4
-
-8 3 6  1 7 2  4 9 5
-9 7 5  8 4 3  2 1 6
-1 2 4  5 6 9  7 3 8
-
-RATING: 3.75
-DATA:
-{"puzzle":[null,null,null,null,1,null,0,null,null,null,null,6,4,null,null,null,null,null,null,null,0,5,null,null,8,1,7,null,null,1,null,null,null,null,null,8,6,4,null,null,null,null,null,null,null,null,null,3,null,null,null,null,5,null,null,null,null,null,2,3,null,7,0,null,5,null,null,4,null,null,null,3,2,null,null,null,null,1,null,null,4],"solution":[3,8,5,7,1,2,0,4,6,7,1,6,4,0,8,2,3,5,4,2,0,5,3,6,8,1,7,5,0,1,2,7,4,3,6,8,6,4,2,3,8,5,7,0,1,8,7,3,1,6,0,4,5,2,1,6,4,8,2,3,5,7,0,0,5,8,6,4,7,1,2,3,2,3,7,0,5,1,6,8,4]}
-PUZZLE:
-_ _ _  _ 2 _  1 _ _
-_ _ 7  5 _ _  _ _ _
-_ _ 1  6 _ _  9 2 8
-
-_ _ 2  _ _ _  _ _ 9
-7 5 _  _ _ _  _ _ _
-_ _ 4  _ _ _  _ 6 _
-
-_ _ _  _ 3 4  _ 8 1
-_ 6 _  _ 5 _  _ _ 4
-3 _ _  _ _ 2  _ _ 5
-
-SOLUTION:
-4 9 6  8 2 3  1 5 7
-8 2 7  5 1 9  3 4 6
-5 3 1  6 4 7  9 2 8
-
-6 1 2  3 8 5  4 7 9
-7 5 3  4 9 6  8 1 2
-9 8 4  2 7 1  5 6 3
-
-2 7 5  9 3 4  6 8 1
-1 6 9  7 5 8  2 3 4
-3 4 8  1 6 2  7 9 5
-
-RATING: 1
-DATA:
-{"puzzle":[8,null,null,null,null,4,2,null,null,null,null,null,null,null,null,0,5,8,null,null,null,null,3,null,null,null,null,null,null,null,4,5,null,null,null,null,0,null,4,null,2,3,null,null,null,null,6,7,null,null,null,null,2,null,null,null,null,6,null,null,null,null,1,null,null,5,null,8,null,null,null,null,null,null,3,null,1,2,6,null,null],"solution":[8,5,1,0,6,4,2,7,3,3,4,6,2,7,1,0,5,8,7,2,0,8,3,5,4,1,6,1,3,2,4,5,6,8,0,7,0,8,4,7,2,3,1,6,5,5,6,7,1,0,8,3,2,4,2,0,8,6,4,7,5,3,1,6,1,5,3,8,0,7,4,2,4,7,3,5,1,2,6,8,0]}
-PUZZLE:
-9 _ _  _ _ 5  3 _ _
-_ _ _  _ _ _  1 6 9
-_ _ _  _ 4 _  _ _ _
-
-_ _ _  5 6 _  _ _ _
-1 _ 5  _ 3 4  _ _ _
-_ 7 8  _ _ _  _ 3 _
-
-_ _ _  7 _ _  _ _ 2
-_ _ 6  _ 9 _  _ _ _
-_ _ 4  _ 2 3  7 _ _
-
-SOLUTION:
-9 6 2  1 7 5  3 8 4
-4 5 7  3 8 2  1 6 9
-8 3 1  9 4 6  5 2 7
-
-2 4 3  5 6 7  9 1 8
-1 9 5  8 3 4  2 7 6
-6 7 8  2 1 9  4 3 5
-
-3 1 9  7 5 8  6 4 2
-7 2 6  4 9 1  8 5 3
-5 8 4  6 2 3  7 9 1
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,null,null,3,null,null,null,2,5,1,4,0,null,null,7,null,null,7,null,null,null,null,null,null,1,null,null,6,5,null,null,null,null,null,null,4,null,null,3,5,6,8,null,null,null,null,null,null,null,null,null,null,null,6,4,null,null,null,null,null,null,7,0,8,null,5,null,null,null,null,null,null,null,null,null,6,0,3,null,null],"solution":[8,0,6,7,3,1,4,5,2,5,1,4,0,2,8,7,6,3,7,3,2,6,4,5,0,1,8,3,6,5,8,1,7,2,4,0,4,2,0,3,5,6,8,7,1,1,7,8,4,0,2,6,3,5,6,4,1,2,8,3,5,0,7,0,8,3,5,7,4,1,2,6,2,5,7,1,6,0,3,8,4]}
-PUZZLE:
-_ _ _  _ 4 _  _ _ 3
-6 2 5  1 _ _  8 _ _
-8 _ _  _ _ _  _ 2 _
-
-_ 7 6  _ _ _  _ _ _
-5 _ _  4 6 7  9 _ _
-_ _ _  _ _ _  _ _ _
-
-7 5 _  _ _ _  _ _ 8
-1 9 _  6 _ _  _ _ _
-_ _ _  _ 7 1  4 _ _
-
-SOLUTION:
-9 1 7  8 4 2  5 6 3
-6 2 5  1 3 9  8 7 4
-8 4 3  7 5 6  1 2 9
-
-4 7 6  9 2 8  3 5 1
-5 3 1  4 6 7  9 8 2
-2 8 9  5 1 3  7 4 6
-
-7 5 2  3 9 4  6 1 8
-1 9 4  6 8 5  2 3 7
-3 6 8  2 7 1  4 9 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,null,3,0,null,null,null,null,null,null,8,null,6,null,2,5,null,null,1,null,null,null,null,null,6,null,null,null,null,null,5,null,null,null,2,null,null,1,4,null,7,8,null,null,null,null,null,null,null,null,6,null,null,null,null,2,1,null,5,null,1,null,null,7,null,6,null,null,null,null,null,8,5,null,null,null,null,7],"solution":[8,6,2,4,7,3,0,1,5,7,1,4,0,8,5,6,3,2,5,0,3,1,6,2,7,8,4,6,3,7,2,0,8,5,4,1,0,2,5,6,1,4,3,7,8,4,8,1,3,5,7,2,0,6,3,7,6,8,2,1,4,5,0,1,5,0,7,4,6,8,2,3,2,4,8,5,3,0,1,6,7]}
-PUZZLE:
-_ _ _  _ _ 4  1 _ _
-_ _ _  _ 9 _  7 _ 3
-6 _ _  2 _ _  _ _ _
-
-7 _ _  _ _ _  6 _ _
-_ 3 _  _ 2 5  _ 8 9
-_ _ _  _ _ _  _ _ 7
-
-_ _ _  _ 3 2  _ 6 _
-2 _ _  8 _ 7  _ _ _
-_ _ 9  6 _ _  _ _ 8
-
-SOLUTION:
-9 7 3  5 8 4  1 2 6
-8 2 5  1 9 6  7 4 3
-6 1 4  2 7 3  8 9 5
-
-7 4 8  3 1 9  6 5 2
-1 3 6  7 2 5  4 8 9
-5 9 2  4 6 8  3 1 7
-
-4 8 7  9 3 2  5 6 1
-2 6 1  8 5 7  9 3 4
-3 5 9  6 4 1  2 7 8
-
-RATING: 0
-DATA:
-{"puzzle":[3,null,2,null,null,null,null,8,null,null,4,null,null,8,null,0,null,null,null,null,null,5,null,null,null,3,7,null,null,null,null,0,2,null,null,null,null,null,5,6,null,null,null,null,2,null,null,null,null,4,null,1,null,0,null,8,3,null,null,null,5,1,null,null,1,null,null,null,null,null,null,4,null,null,null,null,6,null,null,null,null],"solution":[3,5,2,0,7,6,4,8,1,7,4,1,2,8,3,0,6,5,0,6,8,5,1,4,2,3,7,8,7,4,1,0,2,6,5,3,1,0,5,6,3,7,8,4,2,2,3,6,8,4,5,1,7,0,4,8,3,7,2,0,5,1,6,6,1,0,3,5,8,7,2,4,5,2,7,4,6,1,3,0,8]}
-PUZZLE:
-4 _ 3  _ _ _  _ 9 _
-_ 5 _  _ 9 _  1 _ _
-_ _ _  6 _ _  _ 4 8
-
-_ _ _  _ 1 3  _ _ _
-_ _ 6  7 _ _  _ _ 3
-_ _ _  _ 5 _  2 _ 1
-
-_ 9 4  _ _ _  6 2 _
-_ 2 _  _ _ _  _ _ 5
-_ _ _  _ 7 _  _ _ _
-
-SOLUTION:
-4 6 3  1 8 7  5 9 2
-8 5 2  3 9 4  1 7 6
-1 7 9  6 2 5  3 4 8
-
-9 8 5  2 1 3  7 6 4
-2 1 6  7 4 8  9 5 3
-3 4 7  9 5 6  2 8 1
-
-5 9 4  8 3 1  6 2 7
-7 2 1  4 6 9  8 3 5
-6 3 8  5 7 2  4 1 9
-
-RATING: 0
-DATA:
-{"puzzle":[4,8,6,null,null,null,null,7,1,null,null,null,null,null,null,null,null,null,0,null,3,null,6,null,null,null,null,null,null,0,null,7,2,4,null,5,null,5,null,null,null,6,null,null,3,1,null,null,null,null,null,null,8,null,null,null,null,null,null,null,8,null,null,null,null,null,null,null,5,null,null,0,null,null,null,2,null,3,null,1,null],"solution":[4,8,6,5,2,0,3,7,1,2,7,5,4,3,1,6,0,8,0,1,3,7,6,8,5,4,2,8,3,0,1,7,2,4,6,5,7,5,4,0,8,6,1,2,3,1,6,2,3,5,4,0,8,7,3,2,1,6,0,7,8,5,4,6,4,7,8,1,5,2,3,0,5,0,8,2,4,3,7,1,6]}
-PUZZLE:
-5 9 7  _ _ _  _ 8 2
-_ _ _  _ _ _  _ _ _
-1 _ 4  _ 7 _  _ _ _
-
-_ _ 1  _ 8 3  5 _ 6
-_ 6 _  _ _ 7  _ _ 4
-2 _ _  _ _ _  _ 9 _
-
-_ _ _  _ _ _  9 _ _
-_ _ _  _ _ 6  _ _ 1
-_ _ _  3 _ 4  _ 2 _
-
-SOLUTION:
-5 9 7  6 3 1  4 8 2
-3 8 6  5 4 2  7 1 9
-1 2 4  8 7 9  6 5 3
-
-9 4 1  2 8 3  5 7 6
-8 6 5  1 9 7  2 3 4
-2 7 3  4 6 5  1 9 8
-
-4 3 2  7 1 8  9 6 5
-7 5 8  9 2 6  3 4 1
-6 1 9  3 5 4  8 2 7
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,null,3,null,7,8,null,1,null,7,null,null,6,null,2,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,1,null,0,7,2,null,null,null,null,3,null,null,null,5,null,null,5,null,null,null,null,4,null,5,0,null,null,null,6,null,null,3,null,3,null,null,null,null,null,null,8,2,null,8,null,null,null,null,5,null],"solution":[6,5,3,4,7,8,2,1,0,7,1,0,6,5,2,8,3,4,8,4,2,1,0,3,5,6,7,3,6,4,8,1,5,0,7,2,1,2,7,0,3,4,6,8,5,0,8,5,2,6,7,3,4,1,5,0,1,7,8,6,4,2,3,4,3,6,5,2,1,7,0,8,2,7,8,3,4,0,1,5,6]}
-PUZZLE:
-_ _ 4  _ 8 9  _ 2 _
-8 _ _  7 _ 3  _ _ _
-9 _ _  _ _ _  _ _ _
-
-_ _ _  _ 2 _  1 8 3
-_ _ _  _ 4 _  _ _ 6
-_ _ 6  _ _ _  _ 5 _
-
-6 1 _  _ _ 7  _ _ 4
-_ 4 _  _ _ _  _ _ 9
-3 _ 9  _ _ _  _ 6 _
-
-SOLUTION:
-7 6 4  5 8 9  3 2 1
-8 2 1  7 6 3  9 4 5
-9 5 3  2 1 4  6 7 8
-
-4 7 5  9 2 6  1 8 3
-2 3 8  1 4 5  7 9 6
-1 9 6  3 7 8  4 5 2
-
-6 1 2  8 9 7  5 3 4
-5 4 7  6 3 2  8 1 9
-3 8 9  4 5 1  2 6 7
-
-RATING: 2.75
-DATA:
-{"puzzle":[null,2,7,4,null,8,null,null,null,4,1,null,null,null,null,0,null,6,null,null,null,null,null,null,null,7,null,5,null,null,null,null,null,6,null,8,null,null,6,0,null,null,null,5,null,null,null,null,null,8,null,null,1,4,null,null,null,null,0,null,null,null,null,null,4,5,null,null,null,null,null,null,7,null,null,5,null,2,null,null,1],"solution":[0,2,7,4,6,8,1,3,5,4,1,3,2,5,7,0,8,6,6,5,8,1,3,0,4,7,2,5,7,4,3,2,1,6,0,8,1,8,6,0,7,4,2,5,3,3,0,2,6,8,5,7,1,4,2,6,1,8,0,3,5,4,7,8,4,5,7,1,6,3,2,0,7,3,0,5,4,2,8,6,1]}
-PUZZLE:
-_ 3 8  5 _ 9  _ _ _
-5 2 _  _ _ _  1 _ 7
-_ _ _  _ _ _  _ 8 _
-
-6 _ _  _ _ _  7 _ 9
-_ _ 7  1 _ _  _ 6 _
-_ _ _  _ 9 _  _ 2 5
-
-_ _ _  _ 1 _  _ _ _
-_ 5 6  _ _ _  _ _ _
-8 _ _  6 _ 3  _ _ 2
-
-SOLUTION:
-1 3 8  5 7 9  2 4 6
-5 2 4  3 6 8  1 9 7
-7 6 9  2 4 1  5 8 3
-
-6 8 5  4 3 2  7 1 9
-2 9 7  1 8 5  3 6 4
-4 1 3  7 9 6  8 2 5
-
-3 7 2  9 1 4  6 5 8
-9 5 6  8 2 7  4 3 1
-8 4 1  6 5 3  9 7 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,4,null,1,6,8,null,null,null,null,null,null,null,null,null,0,null,null,6,null,null,null,null,2,null,null,null,null,null,null,7,null,null,4,null,null,null,7,null,null,1,null,5,null,null,4,2,null,6,3,null,null,null,1,null,8,null,0,null,1,null,null,4,3,null,5,null,null,null,null,7,null,null,null,null,null,8,null,null,null,null],"solution":[7,4,0,1,6,8,3,2,5,8,5,2,4,7,3,0,1,6,6,3,1,5,0,2,8,4,7,5,1,6,7,2,0,4,8,3,0,7,3,8,1,4,5,6,2,4,2,8,6,3,5,7,0,1,2,8,7,0,5,1,6,3,4,3,0,5,2,4,6,1,7,8,1,6,4,3,8,7,2,5,0]}
-PUZZLE:
-_ 5 _  2 7 9  _ _ _
-_ _ _  _ _ _  1 _ _
-7 _ _  _ _ 3  _ _ _
-
-_ _ _  8 _ _  5 _ _
-_ 8 _  _ 2 _  6 _ _
-5 3 _  7 4 _  _ _ 2
-
-_ 9 _  1 _ 2  _ _ 5
-4 _ 6  _ _ _  _ 8 _
-_ _ _  _ 9 _  _ _ _
-
-SOLUTION:
-8 5 1  2 7 9  4 3 6
-9 6 3  5 8 4  1 2 7
-7 4 2  6 1 3  9 5 8
-
-6 2 7  8 3 1  5 9 4
-1 8 4  9 2 5  6 7 3
-5 3 9  7 4 6  8 1 2
-
-3 9 8  1 6 2  7 4 5
-4 1 6  3 5 7  2 8 9
-2 7 5  4 9 8  3 6 1
-
-RATING: 3.75
-DATA:
-{"puzzle":[7,null,null,null,null,5,null,8,1,null,4,null,null,null,8,null,null,null,null,null,null,3,null,null,0,null,null,null,null,2,null,null,null,5,null,null,null,null,null,null,5,6,null,2,null,8,7,null,null,null,null,1,null,null,null,null,3,null,6,null,null,null,5,null,1,7,null,8,null,null,null,null,null,6,null,null,1,null,null,3,null],"solution":[7,2,0,6,4,5,3,8,1,3,4,6,1,0,8,2,5,7,1,5,8,3,7,2,0,4,6,6,0,2,8,3,1,5,7,4,4,3,1,7,5,6,8,2,0,8,7,5,0,2,4,1,6,3,0,8,3,2,6,7,4,1,5,5,1,7,4,8,3,6,0,2,2,6,4,5,1,0,7,3,8]}
-PUZZLE:
-8 _ _  _ _ 6  _ 9 2
-_ 5 _  _ _ 9  _ _ _
-_ _ _  4 _ _  1 _ _
-
-_ _ 3  _ _ _  6 _ _
-_ _ _  _ 6 7  _ 3 _
-9 8 _  _ _ _  2 _ _
-
-_ _ 4  _ 7 _  _ _ 6
-_ 2 8  _ 9 _  _ _ _
-_ 7 _  _ 2 _  _ 4 _
-
-SOLUTION:
-8 3 1  7 5 6  4 9 2
-4 5 7  2 1 9  3 6 8
-2 6 9  4 8 3  1 5 7
-
-7 1 3  9 4 2  6 8 5
-5 4 2  8 6 7  9 3 1
-9 8 6  1 3 5  2 7 4
-
-1 9 4  3 7 8  5 2 6
-6 2 8  5 9 4  7 1 3
-3 7 5  6 2 1  8 4 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,8,2,null,null,5,null,null,null,4,null,null,6,null,null,2,null,null,null,0,null,null,null,null,8,3,null,null,null,0,null,4,null,null,null,null,null,6,8,null,null,0,null,null,null,0,null,null,null,3,null,null,null,null,null,1,null,null,null,null,null,2,2,null,7,null,null,null,null,4,5,null,null,null,null,7,null,null,null,null],"solution":[6,1,8,2,3,0,5,7,4,3,4,5,7,6,8,1,2,0,7,2,0,1,4,5,6,8,3,1,7,3,0,5,4,2,6,8,4,5,6,8,2,7,0,3,1,8,0,2,6,1,3,4,5,7,5,3,1,4,8,6,7,0,2,2,6,7,3,0,1,8,4,5,0,8,4,5,7,2,3,1,6]}
-PUZZLE:
-_ _ 9  3 _ _  6 _ _
-_ 5 _  _ 7 _  _ 3 _
-_ _ 1  _ _ _  _ 9 4
-
-_ _ _  1 _ 5  _ _ _
-_ _ 7  9 _ _  1 _ _
-_ 1 _  _ _ 4  _ _ _
-
-_ _ 2  _ _ _  _ _ 3
-3 _ 8  _ _ _  _ 5 6
-_ _ _  _ 8 _  _ _ _
-
-SOLUTION:
-7 2 9  3 4 1  6 8 5
-4 5 6  8 7 9  2 3 1
-8 3 1  2 5 6  7 9 4
-
-2 8 4  1 6 5  3 7 9
-5 6 7  9 3 8  1 4 2
-9 1 3  7 2 4  5 6 8
-
-6 4 2  5 9 7  8 1 3
-3 7 8  4 1 2  9 5 6
-1 9 5  6 8 3  4 2 7
-
-RATING: 4
-DATA:
-{"puzzle":[null,null,6,7,null,null,null,null,null,7,null,null,null,null,null,5,null,2,4,5,1,null,null,null,null,null,0,null,7,null,null,null,1,null,0,null,null,1,8,null,0,4,null,null,null,null,null,null,null,8,null,null,null,null,5,null,null,4,null,null,null,null,1,null,8,null,null,null,null,null,7,null,null,null,null,null,null,null,3,null,5],"solution":[8,2,6,7,5,0,1,3,4,7,3,0,1,4,6,5,8,2,4,5,1,8,3,2,7,6,0,6,7,3,5,2,1,4,0,8,2,1,8,3,0,4,6,5,7,0,4,5,6,8,7,2,1,3,5,0,7,4,6,3,8,2,1,3,8,4,2,1,5,0,7,6,1,6,2,0,7,8,3,4,5]}
-PUZZLE:
-_ _ 7  8 _ _  _ _ _
-8 _ _  _ _ _  6 _ 3
-5 6 2  _ _ _  _ _ 1
-
-_ 8 _  _ _ 2  _ 1 _
-_ 2 9  _ 1 5  _ _ _
-_ _ _  _ 9 _  _ _ _
-
-6 _ _  5 _ _  _ _ 2
-_ 9 _  _ _ _  _ 8 _
-_ _ _  _ _ _  4 _ 6
-
-SOLUTION:
-9 3 7  8 6 1  2 4 5
-8 4 1  2 5 7  6 9 3
-5 6 2  9 4 3  8 7 1
-
-7 8 4  6 3 2  5 1 9
-3 2 9  4 1 5  7 6 8
-1 5 6  7 9 8  3 2 4
-
-6 1 8  5 7 4  9 3 2
-4 9 5  3 2 6  1 8 7
-2 7 3  1 8 9  4 5 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,7,0,null,null,null,6,4,null,null,null,null,6,3,null,null,null,null,null,null,4,null,null,5,null,null,null,null,2,null,null,null,3,null,null,0,null,8,null,null,null,null,null,2,null,null,null,null,1,7,null,null,0,null,null,null,8,null,null,7,0,null,null,null,null,null,0,2,4,null,8,5,null,null,null,null,4,null,null,null],"solution":[3,5,7,0,2,1,8,6,4,8,4,1,5,6,3,0,2,7,2,0,6,4,7,8,5,3,1,7,1,2,6,8,0,3,4,5,0,6,8,3,4,5,1,7,2,4,3,5,2,1,7,6,8,0,1,2,4,8,5,6,7,0,3,6,7,3,1,0,2,4,5,8,5,8,0,7,3,4,2,1,6]}
-PUZZLE:
-_ _ 8  1 _ _  _ 7 5
-_ _ _  _ 7 4  _ _ _
-_ _ _  5 _ _  6 _ _
-
-_ _ 3  _ _ _  4 _ _
-1 _ 9  _ _ _  _ _ 3
-_ _ _  _ 2 8  _ _ 1
-
-_ _ _  9 _ _  8 1 _
-_ _ _  _ 1 3  5 _ 9
-6 _ _  _ _ 5  _ _ _
-
-SOLUTION:
-4 6 8  1 3 2  9 7 5
-9 5 2  6 7 4  1 3 8
-3 1 7  5 8 9  6 4 2
-
-8 2 3  7 9 1  4 5 6
-1 7 9  4 5 6  2 8 3
-5 4 6  3 2 8  7 9 1
-
-2 3 5  9 6 7  8 1 4
-7 8 4  2 1 3  5 6 9
-6 9 1  8 4 5  3 2 7
-
-RATING: 2.5
-DATA:
-{"puzzle":[3,null,null,0,1,null,null,null,null,null,null,null,null,null,4,3,null,2,null,null,null,null,3,null,null,0,null,null,null,2,null,null,3,null,null,null,null,null,8,null,2,null,null,null,null,null,4,null,null,null,6,null,null,5,null,null,null,null,6,0,2,null,null,null,null,5,8,null,null,null,null,6,7,1,null,null,null,null,8,null,null],"solution":[3,2,7,0,1,8,5,6,4,5,8,0,6,7,4,3,1,2,4,6,1,2,3,5,7,0,8,6,7,2,5,0,3,4,8,1,0,5,8,4,2,1,6,7,3,1,4,3,7,8,6,0,2,5,8,3,4,1,6,0,2,5,7,2,0,5,8,4,7,1,3,6,7,1,6,3,5,2,8,4,0]}
-PUZZLE:
-4 _ _  1 2 _  _ _ _
-_ _ _  _ _ 5  4 _ 3
-_ _ _  _ 4 _  _ 1 _
-
-_ _ 3  _ _ 4  _ _ _
-_ _ 9  _ 3 _  _ _ _
-_ 5 _  _ _ 7  _ _ 6
-
-_ _ _  _ 7 1  3 _ _
-_ _ 6  9 _ _  _ _ 7
-8 2 _  _ _ _  9 _ _
-
-SOLUTION:
-4 3 8  1 2 9  6 7 5
-6 9 1  7 8 5  4 2 3
-5 7 2  3 4 6  8 1 9
-
-7 8 3  6 1 4  5 9 2
-1 6 9  5 3 2  7 8 4
-2 5 4  8 9 7  1 3 6
-
-9 4 5  2 7 1  3 6 8
-3 1 6  9 5 8  2 4 7
-8 2 7  4 6 3  9 5 1
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,2,null,5,null,0,null,null,6,7,null,7,null,null,null,3,2,0,null,3,2,null,null,null,null,null,null,null,8,null,null,1,3,0,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,null,7,null,null,2,6,null,null,7,6,4,null,null,null,null,1,null,null,null,null,null,null,3,null],"solution":[6,0,3,2,1,7,8,4,5,2,1,5,4,0,8,3,6,7,4,7,8,5,6,3,2,0,1,3,2,1,7,5,4,6,8,0,8,4,6,1,3,0,5,7,2,7,5,0,8,2,6,4,1,3,5,8,4,3,7,1,0,2,6,0,3,7,6,4,2,1,5,8,1,6,2,0,8,5,7,3,4]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-3 _ 6  _ 1 _  _ 7 8
-_ 8 _  _ _ 4  3 1 _
-
-4 3 _  _ _ _  _ _ _
-9 _ _  2 4 1  _ _ _
-_ _ _  _ _ _  5 _ _
-
-_ _ _  _ 8 _  _ 3 7
-_ _ 8  7 5 _  _ _ _
-2 _ _  _ _ _  _ 4 _
-
-SOLUTION:
-7 1 4  3 2 8  9 5 6
-3 2 6  5 1 9  4 7 8
-5 8 9  6 7 4  3 1 2
-
-4 3 2  8 6 5  7 9 1
-9 5 7  2 4 1  6 8 3
-8 6 1  9 3 7  5 2 4
-
-6 9 5  4 8 2  1 3 7
-1 4 8  7 5 3  2 6 9
-2 7 3  1 9 6  8 4 5
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,4,3,null,null,null,null,null,7,null,5,null,null,3,null,null,null,null,null,null,null,8,null,7,5,null,1,null,null,null,null,6,null,null,null,null,4,null,null,null,null,null,0,3,null,null,null,null,2,null,1,null,null,4,2,null,0,null,null,null,6,null,null,null,null,null,null,null,null,8,null,null,null,7,null,6,null,null],"solution":[2,8,0,7,4,3,5,1,6,1,6,7,0,5,8,4,3,2,4,5,3,6,2,1,8,0,7,5,4,1,3,0,2,7,6,8,7,2,8,4,1,6,3,5,0,0,3,6,5,8,7,2,4,1,3,7,4,2,6,0,1,8,5,6,1,2,8,3,5,0,7,4,8,0,5,1,7,4,6,2,3]}
-PUZZLE:
-_ _ _  _ 5 4  _ _ _
-_ _ 8  _ 6 _  _ 4 _
-_ _ _  _ _ _  9 _ 8
-
-6 _ 2  _ _ _  _ 7 _
-_ _ _  5 _ _  _ _ _
-1 4 _  _ _ _  3 _ 2
-
-_ _ 5  3 _ 1  _ _ _
-7 _ _  _ _ _  _ _ _
-9 _ _  _ 8 _  7 _ _
-
-SOLUTION:
-3 9 1  8 5 4  6 2 7
-2 7 8  1 6 9  5 4 3
-5 6 4  7 3 2  9 1 8
-
-6 5 2  4 1 3  8 7 9
-8 3 9  5 2 7  4 6 1
-1 4 7  6 9 8  3 5 2
-
-4 8 5  3 7 1  2 9 6
-7 2 3  9 4 6  1 8 5
-9 1 6  2 8 5  7 3 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,1,0,null,null,null,3,5,3,null,null,null,null,6,null,null,null,null,null,8,null,4,null,0,null,null,null,null,6,null,8,null,null,5,null,null,null,null,2,null,4,null,null,null,null,null,3,null,null,null,8,null,null,null,4,null,null,6,1,5,8,null,null,3,2,null,null,null,null,7,null,1,null,null,null,null,null,null,null,null],"solution":[7,6,1,0,2,8,4,3,5,3,0,4,5,1,6,7,2,8,5,2,8,7,4,3,0,6,1,4,7,6,1,8,0,2,5,3,8,5,0,2,3,4,6,1,7,2,1,3,6,5,7,8,4,0,0,4,7,3,6,1,5,8,2,6,3,2,8,0,5,1,7,4,1,8,5,4,7,2,3,0,6]}
-PUZZLE:
-_ _ 2  1 _ _  _ 4 6
-4 _ _  _ _ 7  _ _ _
-_ _ 9  _ 5 _  1 _ _
-
-_ _ 7  _ 9 _  _ 6 _
-_ _ _  3 _ 5  _ _ _
-_ _ 4  _ _ _  9 _ _
-
-_ 5 _  _ 7 2  6 9 _
-_ 4 3  _ _ _  _ 8 _
-2 _ _  _ _ _  _ _ _
-
-SOLUTION:
-8 7 2  1 3 9  5 4 6
-4 1 5  6 2 7  8 3 9
-6 3 9  8 5 4  1 7 2
-
-5 8 7  2 9 1  3 6 4
-9 6 1  3 4 5  7 2 8
-3 2 4  7 6 8  9 5 1
-
-1 5 8  4 7 2  6 9 3
-7 4 3  9 1 6  2 8 5
-2 9 6  5 8 3  4 1 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,7,null,null,null,null,0,null,null,null,5,null,null,null,null,null,null,1,null,null,null,3,7,null,6,null,null,null,2,null,null,4,null,null,null,null,null,4,null,null,6,null,1,null,null,1,null,null,null,null,3,4,2,null,null,6,5,0,null,null,3,null,null,null,null,null,null,8,5,null,null,7,0,null,null,null,null,null,null,1,null],"solution":[8,7,4,5,1,6,0,3,2,6,5,3,2,0,4,8,7,1,2,1,0,3,7,8,6,4,5,5,2,8,1,4,0,7,6,3,3,4,7,8,6,2,1,5,0,1,0,6,7,5,3,4,2,8,7,6,5,0,2,1,3,8,4,4,3,1,6,8,5,2,0,7,0,8,2,4,3,7,5,1,6]}
-PUZZLE:
-_ 8 _  _ _ _  1 _ _
-_ 6 _  _ _ _  _ _ 2
-_ _ _  4 8 _  7 _ _
-
-_ 3 _  _ 5 _  _ _ _
-_ 5 _  _ 7 _  2 _ _
-2 _ _  _ _ 4  5 3 _
-
-_ 7 6  1 _ _  4 _ _
-_ _ _  _ 9 6  _ _ 8
-1 _ _  _ _ _  _ 2 _
-
-SOLUTION:
-9 8 5  6 2 7  1 4 3
-7 6 4  3 1 5  9 8 2
-3 2 1  4 8 9  7 5 6
-
-6 3 9  2 5 1  8 7 4
-4 5 8  9 7 3  2 6 1
-2 1 7  8 6 4  5 3 9
-
-8 7 6  1 3 2  4 9 5
-5 4 2  7 9 6  3 1 8
-1 9 3  5 4 8  6 2 7
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,0,null,null,2,7,4,5,null,null,null,null,null,null,8,null,null,6,1,null,null,5,null,6,null,null,null,4,null,2,1,null,null,null,4,null,null,5,null,null,null,null,null,null,0,8,null,6,null,null,null,null,null,1,0,null,null,null,null,1,null,null,null,null,null,null,6,3,null,null,2,null,3,null,null,null,null],"solution":[3,6,1,5,7,0,4,8,2,7,4,5,3,2,8,1,0,6,8,2,0,6,1,4,3,5,7,6,5,8,7,4,3,2,1,0,0,1,4,2,6,5,7,3,8,2,7,3,0,8,1,6,4,5,5,3,6,1,0,7,8,2,4,1,8,7,4,5,2,0,6,3,4,0,2,8,3,6,5,7,1]}
-PUZZLE:
-_ _ _  _ _ 1  _ _ 3
-8 5 6  _ _ _  _ _ _
-9 _ _  7 2 _  _ 6 _
-
-7 _ _  _ 5 _  3 2 _
-_ _ 5  _ _ 6  _ _ _
-_ _ _  1 9 _  7 _ _
-
-_ _ _  2 1 _  _ _ _
-2 _ _  _ _ _  _ 7 4
-_ _ 3  _ 4 _  _ _ _
-
-SOLUTION:
-4 7 2  6 8 1  5 9 3
-8 5 6  4 3 9  2 1 7
-9 3 1  7 2 5  4 6 8
-
-7 6 9  8 5 4  3 2 1
-1 2 5  3 7 6  8 4 9
-3 8 4  1 9 2  7 5 6
-
-6 4 7  2 1 8  9 3 5
-2 9 8  5 6 3  1 7 4
-5 1 3  9 4 7  6 8 2
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,5,null,4,null,7,6,null,null,null,null,null,null,1,null,null,3,null,null,null,null,8,7,5,4,null,null,null,null,4,null,2,null,null,null,3,null,null,null,null,null,null,null,0,null,null,null,null,null,0,null,null,null,null,7,null,null,null,null,null,0,null,6,null,8,null,null,null,null,null,6,1,null,2],"solution":[0,6,3,1,2,4,7,8,5,2,4,8,7,6,5,0,1,3,7,5,1,0,8,3,4,2,6,3,8,7,5,4,1,2,6,0,4,0,2,6,7,8,3,5,1,5,1,6,2,3,0,8,4,7,6,3,0,8,1,2,5,7,4,1,2,5,4,0,7,6,3,8,8,7,4,3,5,6,1,0,2]}
-PUZZLE:
-_ _ _  _ 3 _  _ _ 6
-_ 5 _  8 7 _  _ _ _
-_ _ 2  _ _ 4  _ _ _
-
-_ 9 8  6 5 _  _ _ _
-5 _ 3  _ _ _  4 _ _
-_ _ _  _ _ 1  _ _ _
-
-_ _ 1  _ _ _  _ 8 _
-_ _ _  _ 1 _  7 _ 9
-_ _ _  _ _ 7  2 _ 3
-
-SOLUTION:
-1 7 4  2 3 5  8 9 6
-3 5 9  8 7 6  1 2 4
-8 6 2  1 9 4  5 3 7
-
-4 9 8  6 5 2  3 7 1
-5 1 3  7 8 9  4 6 2
-6 2 7  3 4 1  9 5 8
-
-7 4 1  9 2 3  6 8 5
-2 3 6  5 1 8  7 4 9
-9 8 5  4 6 7  2 1 3
-
-RATING: 3
-DATA:
-{"puzzle":[4,null,null,null,null,null,null,3,null,null,0,null,null,null,3,null,null,null,null,8,7,2,6,null,null,null,null,null,null,null,null,2,null,null,5,null,5,null,null,7,null,null,null,null,6,7,null,4,null,null,null,null,1,null,1,null,null,3,null,null,4,6,null,null,null,null,null,4,7,2,null,null,0,null,null,1,null,null,5,null,null],"solution":[4,6,1,5,7,8,0,3,2,2,0,5,4,1,3,6,8,7,3,8,7,2,6,0,1,4,5,6,3,8,0,2,1,7,5,4,5,1,0,7,3,4,8,2,6,7,2,4,8,5,6,3,1,0,1,7,2,3,0,5,4,6,8,8,5,3,6,4,7,2,0,1,0,4,6,1,8,2,5,7,3]}
-PUZZLE:
-5 _ _  _ _ _  _ 4 _
-_ 1 _  _ _ 4  _ _ _
-_ 9 8  3 7 _  _ _ _
-
-_ _ _  _ 3 _  _ 6 _
-6 _ _  8 _ _  _ _ 7
-8 _ 5  _ _ _  _ 2 _
-
-2 _ _  4 _ _  5 7 _
-_ _ _  _ 5 8  3 _ _
-1 _ _  2 _ _  6 _ _
-
-SOLUTION:
-5 7 2  6 8 9  1 4 3
-3 1 6  5 2 4  7 9 8
-4 9 8  3 7 1  2 5 6
-
-7 4 9  1 3 2  8 6 5
-6 2 1  8 4 5  9 3 7
-8 3 5  9 6 7  4 2 1
-
-2 8 3  4 1 6  5 7 9
-9 6 4  7 5 8  3 1 2
-1 5 7  2 9 3  6 8 4
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,null,null,5,0,null,8,null,null,null,null,2,null,7,null,null,null,4,2,null,null,null,6,null,null,null,null,1,null,null,null,null,null,null,null,2,6,7,0,null,null,null,3,7,null,null,5,null,3,4,null,null,null,null,5,null,null,null,1,null,0,1,null,null,0,null,null,null,8,null,null,null,null,null,null,8,null,null,6],"solution":[6,1,7,4,3,5,0,2,8,0,5,8,6,2,1,7,3,4,3,4,2,8,7,0,6,5,1,4,3,1,2,8,6,5,0,7,5,2,6,7,0,4,8,1,3,7,8,0,5,1,3,4,6,2,8,7,5,3,6,2,1,4,0,1,6,3,0,4,7,2,8,5,2,0,4,1,5,8,3,7,6]}
-PUZZLE:
-_ _ _  _ _ 6  1 _ 9
-_ _ _  _ 3 _  8 _ _
-_ 5 3  _ _ _  7 _ _
-
-_ _ 2  _ _ _  _ _ _
-_ 3 7  8 1 _  _ _ 4
-8 _ _  6 _ 4  5 _ _
-
-_ _ 6  _ _ _  2 _ 1
-2 _ _  1 _ _  _ 9 _
-_ _ _  _ _ 9  _ _ 7
-
-SOLUTION:
-7 2 8  5 4 6  1 3 9
-1 6 9  7 3 2  8 4 5
-4 5 3  9 8 1  7 6 2
-
-5 4 2  3 9 7  6 1 8
-6 3 7  8 1 5  9 2 4
-8 9 1  6 2 4  5 7 3
-
-9 8 6  4 7 3  2 5 1
-2 7 4  1 5 8  3 9 6
-3 1 5  2 6 9  4 8 7
-
-RATING: 4.75
-DATA:
-{"puzzle":[8,null,null,null,4,7,null,null,1,null,null,null,null,6,null,null,null,null,null,null,5,null,null,8,null,3,null,4,null,null,null,null,null,null,6,0,0,null,1,null,null,null,null,8,null,null,2,null,null,null,null,null,null,3,5,null,null,null,0,null,6,1,8,3,1,null,null,null,2,null,4,null,null,null,null,null,null,null,null,null,null],"solution":[8,6,3,5,4,7,0,2,1,2,0,4,3,6,1,8,7,5,1,7,5,0,2,8,4,3,6,4,3,7,8,1,5,2,6,0,0,5,1,2,3,6,7,8,4,6,2,8,4,7,0,1,5,3,5,4,2,7,0,3,6,1,8,3,1,0,6,8,2,5,4,7,7,8,6,1,5,4,3,0,2]}
-PUZZLE:
-9 _ _  _ 5 8  _ _ 2
-_ _ _  _ 7 _  _ _ _
-_ _ 6  _ _ 9  _ 4 _
-
-5 _ _  _ _ _  _ 7 1
-1 _ 2  _ _ _  _ 9 _
-_ 3 _  _ _ _  _ _ 4
-
-6 _ _  _ 1 _  7 2 9
-4 2 _  _ _ 3  _ 5 _
-_ _ _  _ _ _  _ _ _
-
-SOLUTION:
-9 7 4  6 5 8  1 3 2
-3 1 5  4 7 2  9 8 6
-2 8 6  1 3 9  5 4 7
-
-5 4 8  9 2 6  3 7 1
-1 6 2  3 4 7  8 9 5
-7 3 9  5 8 1  2 6 4
-
-6 5 3  8 1 4  7 2 9
-4 2 1  7 9 3  6 5 8
-8 9 7  2 6 5  4 1 3
-
-RATING: 5.75
-DATA:
-{"puzzle":[1,2,null,null,null,null,null,null,null,null,null,null,null,7,null,null,1,null,null,7,null,null,null,null,8,null,null,6,null,4,null,null,null,null,null,5,null,5,8,null,null,7,null,null,1,null,null,null,2,null,6,null,null,null,null,null,6,null,null,1,null,null,2,5,null,1,null,0,null,4,3,null,null,null,null,3,6,null,null,null,null],"solution":[1,2,3,6,8,4,0,5,7,8,6,0,5,7,3,2,1,4,4,7,5,1,2,0,8,6,3,6,3,4,0,1,8,7,2,5,2,5,8,4,3,7,6,0,1,0,1,7,2,5,6,3,4,8,3,0,6,8,4,1,5,7,2,5,8,1,7,0,2,4,3,6,7,4,2,3,6,5,1,8,0]}
-PUZZLE:
-2 3 _  _ _ _  _ _ _
-_ _ _  _ 8 _  _ 2 _
-_ 8 _  _ _ _  9 _ _
-
-7 _ 5  _ _ _  _ _ 6
-_ 6 9  _ _ 8  _ _ 2
-_ _ _  3 _ 7  _ _ _
-
-_ _ 7  _ _ 2  _ _ 3
-6 _ 2  _ 1 _  5 4 _
-_ _ _  4 7 _  _ _ _
-
-SOLUTION:
-2 3 4  7 9 5  1 6 8
-9 7 1  6 8 4  3 2 5
-5 8 6  2 3 1  9 7 4
-
-7 4 5  1 2 9  8 3 6
-3 6 9  5 4 8  7 1 2
-1 2 8  3 6 7  4 5 9
-
-4 1 7  9 5 2  6 8 3
-6 9 2  8 1 3  5 4 7
-8 5 3  4 7 6  2 9 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,1,null,null,8,7,null,null,6,null,null,null,null,5,null,null,null,3,null,null,5,null,null,null,4,null,8,null,null,null,null,1,null,0,null,null,null,null,null,6,3,null,null,null,null,4,null,8,null,null,3,null,2,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,6,null,1,null,8,5],"solution":[7,3,2,4,6,8,0,5,1,0,1,8,7,3,5,6,2,4,6,4,5,1,2,0,3,7,8,5,0,7,2,4,6,8,1,3,4,8,1,5,0,3,2,6,7,2,6,3,8,1,7,5,4,0,8,7,4,3,5,2,1,0,6,1,5,6,0,8,4,7,3,2,3,2,0,6,7,1,4,8,5]}
-PUZZLE:
-_ _ _  _ _ _  _ _ 2
-_ _ 9  8 _ _  7 _ _
-_ _ 6  _ _ _  4 _ _
-
-6 _ _  _ 5 _  9 _ _
-_ _ 2  _ 1 _  _ _ _
-_ 7 4  _ _ _  _ 5 _
-
-9 _ _  4 _ 3  _ _ _
-_ _ _  _ _ _  8 _ _
-_ _ _  7 _ 2  _ 9 6
-
-SOLUTION:
-8 4 3  5 7 9  1 6 2
-1 2 9  8 4 6  7 3 5
-7 5 6  2 3 1  4 8 9
-
-6 1 8  3 5 7  9 2 4
-5 9 2  6 1 4  3 7 8
-3 7 4  9 2 8  6 5 1
-
-9 8 5  4 6 3  2 1 7
-2 6 7  1 9 5  8 4 3
-4 3 1  7 8 2  5 9 6
-
-RATING: 3.25
-DATA:
-{"puzzle":[4,null,null,null,null,null,0,1,null,null,null,null,null,2,null,null,null,null,0,null,8,5,null,null,null,3,null,null,null,7,3,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,6,null,null,1,0,null,null,null,null,2,3,null,null,null,7,null,null,7,null,6,null,null,null,5,0,null,null,0,null,null,null,null,4,6,null],"solution":[4,7,2,8,3,6,0,1,5,6,3,5,0,2,1,8,7,4,0,1,8,5,4,7,2,3,6,1,8,7,3,5,2,6,4,0,3,5,0,4,6,8,1,2,7,2,6,4,7,1,0,3,5,8,5,2,3,6,0,4,7,8,1,7,4,6,1,8,3,5,0,2,8,0,1,2,7,5,4,6,3]}
-PUZZLE:
-5 _ _  _ _ _  1 2 _
-_ _ _  _ 3 _  _ _ _
-1 _ 9  6 _ _  _ 4 _
-
-_ _ 8  4 _ _  _ _ _
-_ _ _  _ _ 9  _ _ _
-_ 7 _  _ 2 1  _ _ _
-
-_ 3 4  _ _ _  8 _ _
-8 _ 7  _ _ _  6 1 _
-_ 1 _  _ _ _  5 7 _
-
-SOLUTION:
-5 8 3  9 4 7  1 2 6
-7 4 6  1 3 2  9 8 5
-1 2 9  6 5 8  3 4 7
-
-2 9 8  4 6 3  7 5 1
-4 6 1  5 7 9  2 3 8
-3 7 5  8 2 1  4 6 9
-
-6 3 4  7 1 5  8 9 2
-8 5 7  2 9 4  6 1 3
-9 1 2  3 8 6  5 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,6,3,null,7,null,null,4,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,6,8,0,null,null,4,null,3,5,null,4,null,null,7,null,null,6,null,null,7,null,null,5,null,2,0,8,null,null,null,null,null,6,null,null,null,8,null,null,8,null,2,null,null,null,3,null,4,null,null,null,null,null,null,null],"solution":[0,6,3,2,7,1,8,4,5,5,8,1,6,0,4,7,3,2,2,7,4,3,5,8,1,0,6,8,0,2,1,4,6,3,5,7,4,3,5,7,8,0,6,2,1,7,1,6,5,3,2,0,8,4,1,2,0,4,6,3,5,7,8,6,5,8,0,2,7,4,1,3,3,4,7,8,1,5,2,6,0]}
-PUZZLE:
-_ 7 4  _ 8 _  _ 5 _
-6 _ _  _ _ _  _ _ _
-_ _ _  _ _ 9  _ _ 7
-
-9 1 _  _ 5 _  4 6 _
-5 _ _  8 _ _  7 _ _
-8 _ _  6 _ 3  1 9 _
-
-_ _ _  _ 7 _  _ _ 9
-_ _ 9  _ 3 _  _ _ 4
-_ 5 _  _ _ _  _ _ _
-
-SOLUTION:
-1 7 4  3 8 2  9 5 6
-6 9 2  7 1 5  8 4 3
-3 8 5  4 6 9  2 1 7
-
-9 1 3  2 5 7  4 6 8
-5 4 6  8 9 1  7 3 2
-8 2 7  6 4 3  1 9 5
-
-2 3 1  5 7 4  6 8 9
-7 6 9  1 3 8  5 2 4
-4 5 8  9 2 6  3 7 1
-
-RATING: 3.75
-DATA:
-{"puzzle":[0,null,4,null,8,null,null,null,null,3,null,8,null,null,1,null,null,4,null,null,null,null,7,null,null,null,3,null,null,7,5,null,null,4,null,null,4,null,0,null,null,null,7,6,null,null,6,3,null,null,null,null,null,null,null,null,null,7,null,null,1,null,6,1,null,6,null,null,3,null,null,null,null,null,null,null,0,null,null,null,null],"solution":[0,7,4,3,8,5,6,1,2,3,5,8,6,2,1,0,7,4,6,2,1,0,7,4,5,8,3,2,8,7,5,6,0,4,3,1,4,1,0,2,3,8,7,6,5,5,6,3,4,1,7,8,2,0,8,3,5,7,4,2,1,0,6,1,0,6,8,5,3,2,4,7,7,4,2,1,0,6,3,5,8]}
-PUZZLE:
-1 _ 5  _ 9 _  _ _ _
-4 _ 9  _ _ 2  _ _ 5
-_ _ _  _ 8 _  _ _ 4
-
-_ _ 8  6 _ _  5 _ _
-5 _ 1  _ _ _  8 7 _
-_ 7 4  _ _ _  _ _ _
-
-_ _ _  8 _ _  2 _ 7
-2 _ 7  _ _ 4  _ _ _
-_ _ _  _ 1 _  _ _ _
-
-SOLUTION:
-1 8 5  4 9 6  7 2 3
-4 6 9  7 3 2  1 8 5
-7 3 2  1 8 5  6 9 4
-
-3 9 8  6 7 1  5 4 2
-5 2 1  3 4 9  8 7 6
-6 7 4  5 2 8  9 3 1
-
-9 4 6  8 5 3  2 1 7
-2 1 7  9 6 4  3 5 8
-8 5 3  2 1 7  4 6 9
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,0,null,null,null,3,null,null,null,3,null,5,null,null,1,4,null,null,null,null,4,null,2,null,null,null,null,8,null,null,null,3,null,null,null,3,1,null,7,6,null,null,null,null,null,null,null,null,null,null,8,null,1,null,null,null,null,null,null,4,1,6,2,null,null,null,null,null,null,null,null,null,6,null,3,1,0,null,2,null],"solution":[5,4,0,8,7,1,3,6,2,8,3,2,5,0,6,1,4,7,1,7,6,4,3,2,5,0,8,0,8,5,1,2,3,6,7,4,3,1,4,7,6,8,2,5,0,6,2,7,0,5,4,8,3,1,7,0,3,2,8,5,4,1,6,2,5,1,6,4,7,0,8,3,4,6,8,3,1,0,7,2,5]}
-PUZZLE:
-_ _ 1  _ _ _  4 _ _
-_ 4 _  6 _ _  2 5 _
-_ _ _  5 _ 3  _ _ _
-
-_ 9 _  _ _ 4  _ _ _
-4 2 _  8 7 _  _ _ _
-_ _ _  _ _ _  9 _ 2
-
-_ _ _  _ _ _  5 2 7
-3 _ _  _ _ _  _ _ _
-_ 7 _  4 2 1  _ 3 _
-
-SOLUTION:
-6 5 1  9 8 2  4 7 3
-9 4 3  6 1 7  2 5 8
-2 8 7  5 4 3  6 1 9
-
-1 9 6  2 3 4  7 8 5
-4 2 5  8 7 9  3 6 1
-7 3 8  1 6 5  9 4 2
-
-8 1 4  3 9 6  5 2 7
-3 6 2  7 5 8  1 9 4
-5 7 9  4 2 1  8 3 6
-
-RATING: 3.75
-DATA:
-{"puzzle":[1,5,4,null,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,null,4,null,null,6,3,null,null,3,0,null,null,null,null,null,null,null,null,null,0,null,null,null,8,4,7,null,null,null,1,null,null,null,null,2,null,3,8,0,null,1,null,null,null,null,8,null,5,3,null,null,null,null,6,null,null,null,null,null,null,null],"solution":[1,5,4,3,6,0,2,7,8,3,7,6,1,8,2,0,4,5,8,0,2,4,7,5,6,3,1,4,3,0,5,2,8,7,1,6,6,2,1,0,3,7,5,8,4,7,8,5,6,1,4,3,2,0,2,4,3,8,0,6,1,5,7,0,1,8,7,5,3,4,6,2,5,6,7,2,4,1,8,0,3]}
-PUZZLE:
-2 6 5  _ _ _  _ _ _
-_ _ _  _ _ 3  _ _ _
-_ _ _  5 _ _  7 4 _
-
-_ 4 1  _ _ _  _ _ _
-_ _ _  1 _ _  _ 9 5
-8 _ _  _ 2 _  _ _ _
-
-3 _ 4  9 1 _  2 _ _
-_ _ 9  _ 6 4  _ _ _
-_ 7 _  _ _ _  _ _ _
-
-SOLUTION:
-2 6 5  4 7 1  3 8 9
-4 8 7  2 9 3  1 5 6
-9 1 3  5 8 6  7 4 2
-
-5 4 1  6 3 9  8 2 7
-7 3 2  1 4 8  6 9 5
-8 9 6  7 2 5  4 3 1
-
-3 5 4  9 1 7  2 6 8
-1 2 9  8 6 4  5 7 3
-6 7 8  3 5 2  9 1 4
-
-RATING: 1
-DATA:
-{"puzzle":[0,null,3,null,null,null,2,null,null,null,null,6,3,null,null,1,null,0,null,null,null,2,null,6,null,null,3,4,null,null,6,null,null,null,0,5,6,null,null,null,null,1,null,null,null,null,5,7,null,null,null,null,null,null,null,null,null,1,null,null,4,2,null,null,4,null,null,null,5,7,null,null,3,null,null,null,null,null,null,null,1],"solution":[0,8,3,5,1,4,2,6,7,5,2,6,3,8,7,1,4,0,1,7,4,2,0,6,5,8,3,4,1,8,6,7,2,3,0,5,6,3,0,4,5,1,8,7,2,2,5,7,8,3,0,6,1,4,7,0,5,1,6,3,4,2,8,8,4,1,0,2,5,7,3,6,3,6,2,7,4,8,0,5,1]}
-PUZZLE:
-1 _ 4  _ _ _  3 _ _
-_ _ 7  4 _ _  2 _ 1
-_ _ _  3 _ 7  _ _ 4
-
-5 _ _  7 _ _  _ 1 6
-7 _ _  _ _ 2  _ _ _
-_ 6 8  _ _ _  _ _ _
-
-_ _ _  2 _ _  5 3 _
-_ 5 _  _ _ 6  8 _ _
-4 _ _  _ _ _  _ _ 2
-
-SOLUTION:
-1 9 4  6 2 5  3 7 8
-6 3 7  4 9 8  2 5 1
-2 8 5  3 1 7  6 9 4
-
-5 2 9  7 8 3  4 1 6
-7 4 1  5 6 2  9 8 3
-3 6 8  9 4 1  7 2 5
-
-8 1 6  2 7 4  5 3 9
-9 5 2  1 3 6  8 4 7
-4 7 3  8 5 9  1 6 2
-
-RATING: 1.25
-DATA:
-{"puzzle":[null,5,null,2,null,3,null,null,null,6,null,8,null,5,null,3,null,null,null,null,1,null,null,null,null,0,null,null,null,null,null,8,7,null,5,null,null,null,4,null,null,null,null,null,null,null,null,3,null,null,5,1,null,null,null,null,null,6,null,null,null,4,null,4,7,null,8,null,null,null,null,6,null,1,null,null,null,2,7,null,null],"solution":[0,5,7,2,1,3,4,6,8,6,2,8,0,5,4,3,1,7,3,4,1,7,6,8,2,0,5,1,0,2,3,8,7,6,5,4,5,8,4,1,2,6,0,7,3,7,6,3,4,0,5,1,8,2,2,3,5,6,7,0,8,4,1,4,7,0,8,3,1,5,2,6,8,1,6,5,4,2,7,3,0]}
-PUZZLE:
-_ 6 _  3 _ 4  _ _ _
-7 _ 9  _ 6 _  4 _ _
-_ _ 2  _ _ _  _ 1 _
-
-_ _ _  _ 9 8  _ 6 _
-_ _ 5  _ _ _  _ _ _
-_ _ 4  _ _ 6  2 _ _
-
-_ _ _  7 _ _  _ 5 _
-5 8 _  9 _ _  _ _ 7
-_ 2 _  _ _ 3  8 _ _
-
-SOLUTION:
-1 6 8  3 2 4  5 7 9
-7 3 9  1 6 5  4 2 8
-4 5 2  8 7 9  3 1 6
-
-2 1 3  4 9 8  7 6 5
-6 9 5  2 3 7  1 8 4
-8 7 4  5 1 6  2 9 3
-
-3 4 6  7 8 1  9 5 2
-5 8 1  9 4 2  6 3 7
-9 2 7  6 5 3  8 4 1
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,2,1,null,3,5,null,null,null,null,0,null,null,null,2,null,null,1,null,null,3,null,null,null,null,null,null,null,null,null,8,null,null,null,5,null,null,null,2,null,0,null,null,2,3,null,null,null,null,null,8,null,null,null,4,8,null,null,null,null,null,null,5,null,null,null,7,null,null,null,null,null,7,4,6,null,8,null,null],"solution":[7,8,6,2,1,4,3,5,0,3,4,5,0,8,6,7,2,1,0,1,2,7,3,5,4,6,8,4,6,0,3,7,8,5,1,2,5,7,8,6,2,1,0,3,4,2,3,1,5,4,0,6,8,7,6,0,4,8,5,2,1,7,3,8,5,3,1,0,7,2,4,6,1,2,7,4,6,3,8,0,5]}
-PUZZLE:
-_ _ 7  3 2 _  4 6 _
-_ _ _  1 _ _  _ 3 _
-_ 2 _  _ 4 _  _ _ _
-
-_ _ _  _ _ 9  _ _ _
-6 _ _  _ 3 _  1 _ _
-3 4 _  _ _ _  _ 9 _
-
-_ _ 5  9 _ _  _ _ _
-_ 6 _  _ _ 8  _ _ _
-_ _ 8  5 7 _  9 _ _
-
-SOLUTION:
-8 9 7  3 2 5  4 6 1
-4 5 6  1 9 7  8 3 2
-1 2 3  8 4 6  5 7 9
-
-5 7 1  4 8 9  6 2 3
-6 8 9  7 3 2  1 4 5
-3 4 2  6 5 1  7 9 8
-
-7 1 5  9 6 3  2 8 4
-9 6 4  2 1 8  3 5 7
-2 3 8  5 7 4  9 1 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[8,null,null,null,null,null,null,0,null,null,null,null,6,null,3,null,null,null,null,7,null,8,null,null,null,1,6,4,null,null,null,null,null,null,null,8,null,null,2,null,null,null,0,4,null,null,null,null,5,null,1,7,null,null,null,null,0,null,null,null,null,8,null,null,null,null,null,2,null,null,null,null,null,6,null,null,1,null,null,7,2],"solution":[8,5,6,1,7,2,3,0,4,1,2,4,6,0,3,8,5,7,0,7,3,8,5,4,2,1,6,4,1,7,2,3,0,5,6,8,5,3,2,7,8,6,0,4,1,6,0,8,5,4,1,7,2,3,2,4,0,3,6,7,1,8,5,7,8,1,4,2,5,6,3,0,3,6,5,0,1,8,4,7,2]}
-PUZZLE:
-9 _ _  _ _ _  _ 1 _
-_ _ _  7 _ 4  _ _ _
-_ 8 _  9 _ _  _ 2 7
-
-5 _ _  _ _ _  _ _ 9
-_ _ 3  _ _ _  1 5 _
-_ _ _  6 _ 2  8 _ _
-
-_ _ 1  _ _ _  _ 9 _
-_ _ _  _ 3 _  _ _ _
-_ 7 _  _ 2 _  _ 8 3
-
-SOLUTION:
-9 6 7  2 8 3  4 1 5
-2 3 5  7 1 4  9 6 8
-1 8 4  9 6 5  3 2 7
-
-5 2 8  3 4 1  6 7 9
-6 4 3  8 9 7  1 5 2
-7 1 9  6 5 2  8 3 4
-
-3 5 1  4 7 8  2 9 6
-8 9 2  5 3 6  7 4 1
-4 7 6  1 2 9  5 8 3
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,8,null,null,null,0,5,4,2,null,3,null,4,null,null,null,null,null,null,null,null,null,null,2,7,null,null,null,null,null,0,8,null,1,7,null,null,null,null,2,null,null,null,null,4,null,4,6,null,null,null,null,null,null,null,null,7,null,null,8,null,null,null,null,0,null,1,null,null,null,null,null,5,null,null,null,null,7,2,1,null],"solution":[6,8,1,7,3,0,5,4,2,7,3,2,4,5,6,8,0,1,0,5,4,8,1,2,7,6,3,3,2,5,0,8,4,1,7,6,8,7,0,2,6,1,3,5,4,1,4,6,5,7,3,0,2,8,2,1,7,6,0,8,4,3,5,4,0,3,1,2,5,6,8,7,5,6,8,3,4,7,2,1,0]}
-PUZZLE:
-_ 9 _  _ _ 1  6 5 3
-_ 4 _  5 _ _  _ _ _
-_ _ _  _ _ 3  8 _ _
-
-_ _ _  1 9 _  2 8 _
-_ _ _  3 _ _  _ _ 5
-_ 5 7  _ _ _  _ _ _
-
-_ _ 8  _ _ 9  _ _ _
-_ 1 _  2 _ _  _ _ _
-6 _ _  _ _ 8  3 2 _
-
-SOLUTION:
-7 9 2  8 4 1  6 5 3
-8 4 3  5 6 7  9 1 2
-1 6 5  9 2 3  8 7 4
-
-4 3 6  1 9 5  2 8 7
-9 8 1  3 7 2  4 6 5
-2 5 7  6 8 4  1 3 9
-
-3 2 8  7 1 9  5 4 6
-5 1 4  2 3 6  7 9 8
-6 7 9  4 5 8  3 2 1
-
-RATING: 2
-DATA:
-{"puzzle":[8,0,null,null,null,null,null,5,4,null,null,1,null,null,0,null,null,7,3,5,null,null,7,null,2,null,null,null,null,4,null,null,1,null,null,0,null,null,null,null,null,null,null,null,null,1,null,null,null,null,null,6,4,null,null,6,null,8,null,5,null,null,null,null,null,null,null,null,6,null,null,2,null,null,null,1,null,4,null,null,null],"solution":[8,0,7,6,1,2,3,5,4,2,4,1,3,5,0,8,6,7,3,5,6,4,7,8,2,0,1,5,8,4,2,6,1,7,3,0,6,7,0,5,4,3,1,2,8,1,2,3,0,8,7,6,4,5,7,6,2,8,0,5,4,1,3,4,1,5,7,3,6,0,8,2,0,3,8,1,2,4,5,7,6]}
-PUZZLE:
-9 1 _  _ _ _  _ 6 5
-_ _ 2  _ _ 1  _ _ 8
-4 6 _  _ 8 _  3 _ _
-
-_ _ 5  _ _ 2  _ _ 1
-_ _ _  _ _ _  _ _ _
-2 _ _  _ _ _  7 5 _
-
-_ 7 _  9 _ 6  _ _ _
-_ _ _  _ _ 7  _ _ 3
-_ _ _  2 _ 5  _ _ _
-
-SOLUTION:
-9 1 8  7 2 3  4 6 5
-3 5 2  4 6 1  9 7 8
-4 6 7  5 8 9  3 1 2
-
-6 9 5  3 7 2  8 4 1
-7 8 1  6 5 4  2 3 9
-2 3 4  1 9 8  7 5 6
-
-8 7 3  9 1 6  5 2 4
-5 2 6  8 4 7  1 9 3
-1 4 9  2 3 5  6 8 7
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,0,null,null,null,2,null,null,null,7,5,null,null,null,null,null,1,null,null,6,8,2,null,null,null,null,3,null,null,null,null,null,null,null,4,6,null,null,null,null,null,null,1,null,null,null,3,null,null,6,null,0,null,null,null,2,null,0,null,7,null,2,null,null,null,5,null,null,1,8,null,null,null,null,4,null,null,3,null],"solution":[3,8,6,0,7,4,1,2,5,0,2,7,5,1,3,8,6,4,1,5,4,6,8,2,7,0,3,5,3,0,4,6,1,2,8,7,4,6,2,8,0,7,3,5,1,7,1,8,3,2,5,6,4,0,8,4,1,2,3,0,5,7,6,2,0,3,7,5,6,4,1,8,6,7,5,1,4,8,0,3,2]}
-PUZZLE:
-_ _ _  1 _ _  _ 3 _
-_ _ 8  6 _ _  _ _ _
-2 _ _  7 9 3  _ _ _
-
-_ 4 _  _ _ _  _ _ _
-5 7 _  _ _ _  _ _ 2
-_ _ _  4 _ _  7 _ 1
-
-_ _ _  3 _ 1  _ 8 _
-3 _ _  _ 6 _  _ 2 9
-_ _ _  _ 5 _  _ 4 _
-
-SOLUTION:
-4 9 7  1 8 5  2 3 6
-1 3 8  6 2 4  9 7 5
-2 6 5  7 9 3  8 1 4
-
-6 4 1  5 7 2  3 9 8
-5 7 3  9 1 8  4 6 2
-8 2 9  4 3 6  7 5 1
-
+6 3 8  7 2 5  1 4 9
+4 1 7  8 6 9  5 3 2
 9 5 2  3 4 1  6 8 7
-3 1 4  8 6 7  5 2 9
-7 8 6  2 5 9  1 4 3
 
-RATING: 1.25
-DATA:
-{"puzzle":[null,null,null,null,6,null,null,null,1,4,1,null,null,8,null,null,null,null,null,null,0,3,null,null,null,2,null,null,null,6,0,null,7,null,3,null,0,null,null,null,5,null,null,null,6,null,null,null,6,2,null,null,null,null,null,3,7,null,null,null,4,null,null,6,null,5,1,null,2,null,7,null,null,null,null,null,null,null,null,null,0],"solution":[7,5,2,4,6,0,3,8,1,4,1,3,2,8,5,6,0,7,8,6,0,3,7,1,5,2,4,5,4,6,0,1,7,2,3,8,0,2,1,8,5,3,7,4,6,3,7,8,6,2,4,0,1,5,1,3,7,5,0,8,4,6,2,6,0,5,1,4,2,8,7,3,2,8,4,7,3,6,1,5,0]}
-PUZZLE:
-_ _ _  _ 7 _  _ _ 2
-5 2 _  _ 9 _  _ _ _
-_ _ 1  4 _ _  _ 3 _
+1 2 9  6 5 4  8 7 3
+8 6 4  2 7 3  9 5 1
+5 7 3  9 1 8  2 6 4
 
-_ _ 7  1 _ 8  _ 4 _
-1 _ _  _ 6 _  _ _ 7
-_ _ _  7 3 _  _ _ _
-
-_ 4 8  _ _ _  5 _ _
-7 _ 6  2 _ 3  _ 8 _
-_ _ _  _ _ _  _ _ 1
-
-SOLUTION:
-8 6 3  5 7 1  4 9 2
-5 2 4  3 9 6  7 1 8
-9 7 1  4 8 2  6 3 5
-
-6 5 7  1 2 8  3 4 9
-1 3 2  9 6 4  8 5 7
-4 8 9  7 3 5  1 2 6
-
-2 4 8  6 1 9  5 7 3
-7 1 6  2 5 3  9 8 4
-3 9 5  8 4 7  2 6 1
-
-RATING: 1.75
-DATA:
-{"puzzle":[null,null,null,7,1,null,0,null,null,null,null,null,0,null,null,null,1,null,null,null,3,6,null,2,null,7,8,null,null,1,null,null,null,null,null,0,5,4,null,1,null,null,null,null,6,6,null,null,null,null,5,null,null,null,8,5,null,null,null,3,null,0,1,null,3,null,null,6,null,null,null,7,null,null,0,5,null,null,null,null,null],"solution":[2,8,5,7,1,4,0,6,3,4,7,6,0,3,8,2,1,5,0,1,3,6,5,2,4,7,8,3,2,1,4,8,6,7,5,0,5,4,8,1,0,7,3,2,6,6,0,7,3,2,5,1,8,4,8,5,4,2,7,3,6,0,1,1,3,2,8,6,0,5,4,7,7,6,0,5,4,1,8,3,2]}
-PUZZLE:
-_ _ _  8 2 _  1 _ _
-_ _ _  1 _ _  _ 2 _
-_ _ 4  7 _ 3  _ 8 9
-
-_ _ 2  _ _ _  _ _ 1
-6 5 _  2 _ _  _ _ 7
-7 _ _  _ _ 6  _ _ _
-
-9 6 _  _ _ 4  _ 1 2
-_ 4 _  _ 7 _  _ _ 8
-_ _ 1  6 _ _  _ _ _
-
-SOLUTION:
-3 9 6  8 2 5  1 7 4
-5 8 7  1 4 9  3 2 6
-1 2 4  7 6 3  5 8 9
-
-4 3 2  5 9 7  8 6 1
-6 5 9  2 1 8  4 3 7
-7 1 8  4 3 6  2 9 5
-
-9 6 5  3 8 4  7 1 2
-2 4 3  9 7 1  6 5 8
-8 7 1  6 5 2  9 4 3
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,1,null,4,null,null,null,8,6,null,null,7,null,3,null,null,null,null,null,4,1,null,null,null,null,null,5,1,8,null,null,null,null,2,6,null,null,6,null,null,null,3,8,null,null,null,null,6,null,null,4,null,1,8,null,7,5,null,null,null,null,null,2,null,null,3,null,null,null,7,4,null,null,null,null,null,null,null,3,null],"solution":[3,0,1,2,4,5,7,6,8,6,8,2,7,0,3,1,4,5,7,5,4,1,6,8,2,0,3,5,1,8,4,3,7,0,2,6,4,2,6,0,5,1,3,8,7,0,7,3,6,8,2,4,5,1,8,3,7,5,2,4,6,1,0,2,6,5,3,1,0,8,7,4,1,4,0,8,7,6,5,3,2]}
-PUZZLE:
-_ _ 2  _ 5 _  _ _ 9
-7 _ _  8 _ 4  _ _ _
-_ _ 5  2 _ _  _ _ _
-
-6 2 9  _ _ _  _ 3 7
-_ _ 7  _ _ _  4 9 _
-_ _ _  7 _ _  5 _ 2
-
-9 _ 8  6 _ _  _ _ _
-3 _ _  4 _ _  _ 8 5
-_ _ _  _ _ _  _ 4 _
-
-SOLUTION:
-4 1 2  3 5 6  8 7 9
-7 9 3  8 1 4  2 5 6
-8 6 5  2 7 9  3 1 4
-
-6 2 9  5 4 8  1 3 7
-5 3 7  1 6 2  4 9 8
-1 8 4  7 9 3  5 6 2
-
-9 4 8  6 3 5  7 2 1
-3 7 6  4 2 1  9 8 5
-2 5 1  9 8 7  6 4 3
+3 9 1  4 8 6  7 2 5
+2 4 6  5 9 7  3 1 8
+7 8 5  1 3 2  4 9 6
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,null,null,null,null,null,null,null,5,0,7,0,7,null,1,8,null,null,6,null,5,4,null,null,null,null,null,null,null,null,1,0,8,null,null,null,null,null,null,null,null,null,null,null,7,null,null,null,null,4,null,null,2,null,null,5,null,null,null,null,0,6,null,null,null,null,6,null,null,5,null,1,7,null],"solution":[4,5,6,0,2,7,8,1,3,8,2,1,6,3,4,5,0,7,0,7,3,1,8,5,2,6,4,5,4,7,2,6,1,0,3,8,2,1,0,8,7,3,4,5,6,6,3,8,5,4,0,7,2,1,7,0,4,3,1,2,6,8,5,1,8,5,7,0,6,3,4,2,3,6,2,4,5,8,1,7,0]}
+{"puzzle":[null,null,1,null,4,null,7,null,null,0,null,3,null,null,null,null,null,null,null,null,null,1,null,null,null,2,6,null,8,null,null,null,6,null,5,null,null,null,5,4,null,7,0,null,8,3,null,null,null,0,null,2,null,4,null,null,8,null,null,null,null,null,null,null,null,null,2,null,null,5,null,null,null,0,null,5,null,null,null,null,null],"solution":[2,5,1,6,4,3,7,8,0,0,6,3,7,8,2,4,1,5,8,7,4,1,5,0,3,2,6,4,8,0,3,2,6,1,5,7,6,2,5,4,1,7,0,3,8,3,1,7,8,0,5,2,6,4,5,3,8,0,7,1,6,4,2,7,4,6,2,3,8,5,0,1,1,0,2,5,6,4,8,7,3]}
 PUZZLE:
-_ _ _  _ 3 _  _ _ _
-_ _ _  _ _ _  6 1 8
-1 8 _  2 9 _  _ 7 _
+_ _ 2  _ 5 _  8 _ _
+1 _ 4  _ _ _  _ _ _
+_ _ _  2 _ _  _ 3 7
 
-6 5 _  _ _ _  _ _ _
-_ 2 1  9 _ _  _ _ _
-_ _ _  _ _ _  8 _ _
+_ 9 _  _ _ 7  _ 6 _
+_ _ 6  5 _ 8  1 _ 9
+4 _ _  _ 1 _  3 _ 5
 
-_ _ 5  _ _ 3  _ _ 6
-_ _ _  _ 1 7  _ _ _
-_ 7 _  _ 6 _  2 8 _
+_ _ 9  _ _ _  _ _ _
+_ _ _  3 _ _  6 _ _
+_ 1 _  6 _ _  _ _ _
 
 SOLUTION:
-5 6 7  1 3 8  9 2 4
-9 3 2  7 4 5  6 1 8
-1 8 4  2 9 6  3 7 5
+3 6 2  7 5 4  8 9 1
+1 7 4  8 9 3  5 2 6
+9 8 5  2 6 1  4 3 7
 
-6 5 8  3 7 2  1 4 9
-3 2 1  9 8 4  5 6 7
-7 4 9  6 5 1  8 3 2
+5 9 1  4 3 7  2 6 8
+7 3 6  5 2 8  1 4 9
+4 2 8  9 1 6  3 7 5
 
-8 1 5  4 2 3  7 9 6
-2 9 6  8 1 7  4 5 3
-4 7 3  5 6 9  2 8 1
-
-RATING: 4.75
-DATA:
-{"puzzle":[null,1,5,null,null,null,null,null,4,null,null,null,5,6,null,null,8,null,6,null,null,1,null,7,null,null,2,null,5,7,4,null,null,null,null,1,null,3,null,null,2,5,4,0,null,0,2,null,null,null,null,null,null,8,null,null,null,null,null,1,null,null,null,null,null,null,6,4,null,null,null,null,7,null,null,null,null,null,null,null,null],"solution":[3,1,5,2,8,0,6,7,4,2,7,0,5,6,4,1,8,3,6,4,8,1,3,7,0,5,2,8,5,7,4,0,6,3,2,1,1,3,6,8,2,5,4,0,7,0,2,4,7,1,3,5,6,8,4,6,2,0,7,1,8,3,5,5,8,3,6,4,2,7,1,0,7,0,1,3,5,8,2,4,6]}
-PUZZLE:
-_ 2 6  _ _ _  _ _ 5
-_ _ _  6 7 _  _ 9 _
-7 _ _  2 _ 8  _ _ 3
-
-_ 6 8  5 _ _  _ _ 2
-_ 4 _  _ 3 6  5 1 _
-1 3 _  _ _ _  _ _ 9
-
-_ _ _  _ _ 2  _ _ _
-_ _ _  7 5 _  _ _ _
-8 _ _  _ _ _  _ _ _
-
-SOLUTION:
-4 2 6  3 9 1  7 8 5
-3 8 1  6 7 5  2 9 4
-7 5 9  2 4 8  1 6 3
-
-9 6 8  5 1 7  4 3 2
-2 4 7  9 3 6  5 1 8
-1 3 5  8 2 4  6 7 9
-
-5 7 3  1 8 2  9 4 6
-6 9 4  7 5 3  8 2 1
-8 1 2  4 6 9  3 5 7
+6 4 9  1 8 2  7 5 3
+8 5 7  3 4 9  6 1 2
+2 1 3  6 7 5  9 8 4
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,3,null,null,null,null,2,null,null,null,6,null,2,null,null,1,null,8,null,null,5,null,null,null,6,null,1,7,null,null,null,4,null,null,null,null,null,null,null,null,7,null,null,0,null,8,null,null,null,null,1,null,2,5,null,null,null,8,1,null,0,3,6,null,null,null,7,null,null,null,null,null,null,7,null,null,null,null,null,null],"solution":[7,5,3,1,0,6,8,2,4,4,0,6,7,2,8,3,1,5,8,2,1,5,4,3,0,6,7,1,7,0,2,3,4,5,8,6,2,6,5,8,1,7,4,3,0,3,8,4,0,6,5,1,7,2,5,4,2,6,8,1,7,0,3,6,3,8,4,7,0,2,5,1,0,1,7,3,5,2,6,4,8]}
+{"puzzle":[4,7,null,null,null,null,null,null,null,2,null,5,6,0,null,null,null,null,0,null,null,null,5,null,null,3,null,null,null,6,null,null,null,1,null,null,7,null,null,null,null,8,0,null,null,null,null,null,null,null,6,null,null,null,3,null,null,1,8,null,null,6,0,null,null,null,null,null,null,7,8,null,null,null,4,null,null,null,2,null,null],"solution":[4,7,3,8,2,1,6,0,5,2,8,5,6,0,3,4,7,1,0,6,1,4,5,7,8,3,2,5,3,6,0,7,2,1,4,8,7,4,2,3,1,8,0,5,6,1,0,8,5,4,6,3,2,7,3,2,7,1,8,4,5,6,0,6,1,0,2,3,5,7,8,4,8,5,4,7,6,0,2,1,3]}
 PUZZLE:
-_ _ 4  _ _ _  _ 3 _
-_ _ 7  _ 3 _  _ 2 _
-9 _ _  6 _ _  _ 7 _
+5 8 _  _ _ _  _ _ _
+3 _ 6  7 1 _  _ _ _
+1 _ _  _ 6 _  _ 4 _
 
-2 8 _  _ _ 5  _ _ _
-_ _ _  _ _ 8  _ _ 1
-_ 9 _  _ _ _  2 _ 3
+_ _ 7  _ _ _  2 _ _
+8 _ _  _ _ 9  1 _ _
+_ _ _  _ _ 7  _ _ _
 
-6 _ _  _ 9 2  _ 1 4
-7 _ _  _ 8 _  _ _ _
-_ _ 8  _ _ _  _ _ _
-
-SOLUTION:
-8 6 4  2 1 7  9 3 5
-5 1 7  8 3 9  4 2 6
-9 3 2  6 5 4  1 7 8
-
-2 8 1  3 4 5  6 9 7
-3 7 6  9 2 8  5 4 1
-4 9 5  1 7 6  2 8 3
-
-6 5 3  7 9 2  8 1 4
-7 4 9  5 8 1  3 6 2
-1 2 8  4 6 3  7 5 9
-
-RATING: 0
-DATA:
-{"puzzle":[5,1,0,null,null,null,2,null,null,null,null,3,4,null,null,5,null,null,null,8,null,null,null,null,null,0,1,1,null,7,null,null,null,null,null,null,null,null,null,null,null,2,null,null,4,null,null,5,3,null,null,null,1,null,null,6,null,null,2,null,8,null,null,null,null,null,null,8,null,null,7,null,null,null,null,null,null,4,null,6,3],"solution":[5,1,0,8,3,6,2,4,7,7,2,3,4,1,0,5,8,6,4,8,6,2,7,5,3,0,1,1,3,7,0,4,8,6,2,5,6,0,8,1,5,2,7,3,4,2,4,5,3,6,7,0,1,8,3,6,4,7,2,1,8,5,0,0,5,1,6,8,3,4,7,2,8,7,2,5,0,4,1,6,3]}
-PUZZLE:
-6 2 1  _ _ _  3 _ _
-_ _ 4  5 _ _  6 _ _
-_ 9 _  _ _ _  _ 1 2
-
-2 _ 8  _ _ _  _ _ _
-_ _ _  _ _ 3  _ _ 5
-_ _ 6  4 _ _  _ 2 _
-
-_ 7 _  _ 3 _  9 _ _
-_ _ _  _ 9 _  _ 8 _
-_ _ _  _ _ 5  _ 7 4
-
-SOLUTION:
-6 2 1  9 4 7  3 5 8
-8 3 4  5 2 1  6 9 7
-5 9 7  3 8 6  4 1 2
-
-2 4 8  1 5 9  7 3 6
-7 1 9  2 6 3  8 4 5
-3 5 6  4 7 8  1 2 9
-
-4 7 5  8 3 2  9 6 1
-1 6 2  7 9 4  5 8 3
-9 8 3  6 1 5  2 7 4
-
-RATING: 0
-DATA:
-{"puzzle":[6,null,null,null,1,5,null,null,null,null,1,null,3,null,2,null,7,null,null,null,null,6,null,7,null,null,8,null,null,0,null,null,null,8,null,3,null,null,1,null,null,null,2,null,null,null,4,null,null,null,null,null,null,null,null,null,5,null,null,null,6,1,null,null,6,null,null,null,3,null,null,4,null,null,8,5,null,null,null,null,null],"solution":[6,8,7,0,1,5,4,3,2,5,1,4,3,8,2,0,7,6,0,2,3,6,4,7,1,5,8,2,5,0,1,7,6,8,4,3,8,7,1,4,3,0,2,6,5,3,4,6,2,5,8,7,0,1,7,3,5,8,2,4,6,1,0,1,6,2,7,0,3,5,8,4,4,0,8,5,6,1,3,2,7]}
-PUZZLE:
-7 _ _  _ 2 6  _ _ _
-_ 2 _  4 _ 3  _ 8 _
-_ _ _  7 _ 8  _ _ 9
-
-_ _ 1  _ _ _  9 _ 4
-_ _ 2  _ _ _  3 _ _
-_ 5 _  _ _ _  _ _ _
-
-_ _ 6  _ _ _  7 2 _
-_ 7 _  _ _ 4  _ _ 5
-_ _ 9  6 _ _  _ _ _
-
-SOLUTION:
-7 9 8  1 2 6  5 4 3
-6 2 5  4 9 3  1 8 7
-1 3 4  7 5 8  2 6 9
-
-3 6 1  2 8 7  9 5 4
-9 8 2  5 4 1  3 7 6
-4 5 7  3 6 9  8 1 2
-
-8 4 6  9 3 5  7 2 1
-2 7 3  8 1 4  6 9 5
-5 1 9  6 7 2  4 3 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,7,1,null,null,null,null,null,2,1,null,5,0,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,7,null,5,8,null,null,5,null,1,6,null,null,4,null,null,null,null,null,null,null,null,null,0,null,6,null,null,null,null,4,null,null,null,null,4,5,1,null,null,null,7,null,null,null,null,5,2,null],"solution":[0,8,6,7,1,3,4,5,2,7,2,1,4,5,0,8,6,3,5,4,3,8,6,2,0,7,1,6,1,0,2,8,4,7,3,5,8,3,2,5,7,1,6,4,0,4,5,7,0,3,6,2,1,8,1,0,5,6,2,7,3,8,4,2,6,8,3,4,5,1,0,7,3,7,4,1,0,8,5,2,6]}
-PUZZLE:
-_ _ 7  8 2 _  _ _ _
-_ 3 2  _ 6 1  9 _ _
-_ _ _  _ _ _  _ _ _
-
-_ _ _  _ _ _  8 _ 6
-9 _ _  6 _ 2  7 _ _
-5 _ _  _ _ _  _ _ _
-
-_ 1 _  7 _ _  _ _ 5
-_ _ _  _ 5 6  2 _ _
-_ 8 _  _ _ _  6 3 _
-
-SOLUTION:
-1 9 7  8 2 4  5 6 3
-8 3 2  5 6 1  9 7 4
-6 5 4  9 7 3  1 8 2
-
-7 2 1  3 9 5  8 4 6
-9 4 3  6 8 2  7 5 1
-5 6 8  1 4 7  3 2 9
-
-2 1 6  7 3 8  4 9 5
-3 7 9  4 5 6  2 1 8
-4 8 5  2 1 9  6 3 7
-
-RATING: 0
-DATA:
-{"puzzle":[3,2,null,4,null,null,1,null,null,null,8,null,null,null,1,null,4,null,null,null,null,0,null,5,3,null,null,null,1,0,null,7,8,2,null,null,null,null,null,2,null,null,null,null,null,null,null,7,3,null,0,5,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,1,null,3,null,null,null,null,4,null,null],"solution":[3,2,6,4,8,7,1,5,0,0,8,5,6,3,1,7,4,2,1,7,4,0,2,5,3,8,6,6,1,0,5,7,8,2,3,4,8,5,3,2,1,4,6,0,7,2,4,7,3,6,0,5,1,8,4,0,2,1,5,6,8,7,3,5,6,8,7,4,3,0,2,1,7,3,1,8,0,2,4,6,5]}
-PUZZLE:
-4 3 _  5 _ _  2 _ _
-_ 9 _  _ _ 2  _ 5 _
-_ _ _  1 _ 6  4 _ _
-
-_ 2 1  _ 8 9  3 _ _
-_ _ _  3 _ _  _ _ _
-_ _ 8  4 _ 1  6 _ _
-
-5 _ _  _ _ _  _ _ _
-_ _ _  _ _ _  _ 3 2
-_ 4 _  _ _ _  5 _ _
-
-SOLUTION:
-4 3 7  5 9 8  2 6 1
-1 9 6  7 4 2  8 5 3
-2 8 5  1 3 6  4 9 7
-
-7 2 1  6 8 9  3 4 5
-9 6 4  3 2 5  7 1 8
-3 5 8  4 7 1  6 2 9
-
-5 1 3  2 6 7  9 8 4
-6 7 9  8 5 4  1 3 2
-8 4 2  9 1 3  5 7 6
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,7,null,null,4,0,null,6,null,null,null,4,null,1,null,3,null,null,null,6,null,null,null,null,null,null,null,null,8,null,2,null,1,0,null,null,null,null,null,null,null,6,null,4,null,null,null,null,null,null,null,null,null,5,null,0,null,null,null,null,null,null,1,null,null,2,7,null,null,2,null,0,1,3,null,null,5,null],"solution":[1,2,8,3,7,5,6,4,0,5,6,7,0,2,4,3,1,8,3,0,4,8,6,1,5,2,7,7,5,6,4,8,0,2,3,1,0,1,3,2,5,7,4,8,6,8,4,2,6,1,3,0,7,5,4,3,5,7,0,8,1,6,2,6,8,1,5,4,2,7,0,3,2,7,0,1,3,6,8,5,4]}
-PUZZLE:
-_ _ _  _ 8 _  _ 5 1
-_ 7 _  _ _ 5  _ 2 _
-4 _ _  _ 7 _  _ _ _
-
-_ _ _  _ 9 _  3 _ 2
-1 _ _  _ _ _  _ _ 7
-_ 5 _  _ _ _  _ _ _
-
-_ _ 6  _ 1 _  _ _ _
-_ _ 2  _ _ 3  8 _ _
-3 _ 1  2 4 _  _ 6 _
-
-SOLUTION:
-2 3 9  4 8 6  7 5 1
-6 7 8  1 3 5  4 2 9
-4 1 5  9 7 2  6 3 8
-
-8 6 7  5 9 1  3 4 2
-1 2 4  3 6 8  5 9 7
-9 5 3  7 2 4  1 8 6
-
-5 4 6  8 1 9  2 7 3
-7 9 2  6 5 3  8 1 4
-3 8 1  2 4 7  9 6 5
-
-RATING: 0
-DATA:
-{"puzzle":[null,2,null,4,null,null,7,null,null,null,null,null,1,null,8,null,null,null,null,null,null,null,3,7,null,4,null,null,1,null,null,8,null,4,null,null,3,null,null,null,null,null,1,null,6,null,null,null,null,null,null,null,2,null,null,6,null,null,7,1,3,null,null,0,null,null,null,null,6,null,null,1,2,null,null,3,4,null,null,null,null],"solution":[8,2,3,4,6,5,7,1,0,4,0,7,1,2,8,5,6,3,1,5,6,0,3,7,8,4,2,6,1,0,5,8,2,4,3,7,3,8,2,7,0,4,1,5,6,7,4,5,6,1,3,0,2,8,5,6,8,2,7,1,3,0,4,0,3,4,8,5,6,2,7,1,2,7,1,3,4,0,6,8,5]}
-PUZZLE:
-_ 3 _  5 _ _  8 _ _
-_ _ _  2 _ 9  _ _ _
-_ _ _  _ 4 8  _ 5 _
-
-_ 2 _  _ 9 _  5 _ _
-4 _ _  _ _ _  2 _ 7
-_ _ _  _ _ _  _ 3 _
-
-_ 7 _  _ 8 2  4 _ _
-1 _ _  _ _ 7  _ _ 2
-3 _ _  4 5 _  _ _ _
-
-SOLUTION:
-9 3 4  5 7 6  8 2 1
-5 1 8  2 3 9  6 7 4
-2 6 7  1 4 8  9 5 3
-
-7 2 1  6 9 3  5 4 8
-4 9 3  8 1 5  2 6 7
-8 5 6  7 2 4  1 3 9
-
-6 7 9  3 8 2  4 1 5
-1 4 5  9 6 7  3 8 2
-3 8 2  4 5 1  7 9 6
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,7,2,null,null,3,null,null,null,null,null,null,1,null,null,null,0,null,null,null,null,6,5,null,7,null,null,null,null,null,null,null,null,null,null,2,null,8,null,null,null,5,3,null,null,3,4,7,null,6,null,null,6,7,null,null,null,null,null,null,4,null,null,null,null,6,null,8,null,null,null,null,4,null,null,null,2,null,null],"solution":[1,4,5,7,2,8,0,3,6,3,6,7,5,0,1,4,2,8,0,8,2,3,4,6,5,1,7,7,0,8,6,5,3,1,4,2,4,2,6,8,1,0,7,5,3,5,1,3,4,7,2,6,8,0,6,7,1,2,8,5,3,0,4,2,3,0,1,6,4,8,7,5,8,5,4,0,3,7,2,6,1]}
-PUZZLE:
-_ _ _  8 3 _  _ 4 _
-_ _ _  _ _ 2  _ _ _
-1 _ _  _ _ 7  6 _ 8
-
-_ _ _  _ _ _  _ _ _
-_ 3 _  9 _ _  _ 6 4
-_ _ 4  5 8 _  7 _ _
-
-7 8 _  _ _ _  _ _ 5
-_ _ _  _ 7 _  9 _ _
+4 _ _  2 9 _  _ 7 1
+_ _ _  _ _ _  8 9 _
 _ _ 5  _ _ _  3 _ _
 
 SOLUTION:
-2 5 6  8 3 9  1 4 7
-4 7 8  6 1 2  5 3 9
-1 9 3  4 5 7  6 2 8
+5 8 4  9 3 2  7 1 6
+3 9 6  7 1 4  5 8 2
+1 7 2  5 6 8  9 4 3
 
-8 1 9  7 6 4  2 5 3
-5 3 7  9 2 1  8 6 4
-6 2 4  5 8 3  7 9 1
+6 4 7  1 8 3  2 5 9
+8 5 3  4 2 9  1 6 7
+2 1 9  6 5 7  4 3 8
 
-7 8 2  3 9 6  4 1 5
-3 4 1  2 7 5  9 8 6
-9 6 5  1 4 8  3 7 2
-
-RATING: 3.5
-DATA:
-{"puzzle":[5,null,null,null,null,null,null,4,null,null,null,null,null,3,2,null,null,7,null,null,null,null,null,null,2,5,null,null,6,1,null,null,null,null,null,null,null,0,null,null,7,3,6,8,null,null,null,null,null,null,1,null,null,3,null,5,null,null,1,null,null,6,null,0,null,null,8,4,null,null,null,null,4,null,7,null,null,null,null,0,null],"solution":[5,7,2,1,8,6,3,4,0,6,4,0,5,3,2,8,1,7,1,3,8,7,0,4,2,5,6,3,6,1,0,2,8,4,7,5,2,0,5,4,7,3,6,8,1,7,8,4,6,5,1,0,2,3,8,5,3,2,1,0,7,6,4,0,1,6,8,4,7,5,3,2,4,2,7,3,6,5,1,0,8]}
-PUZZLE:
-6 _ _  _ _ _  _ 5 _
-_ _ _  _ 4 3  _ _ 8
-_ _ _  _ _ _  3 6 _
-
-_ 7 2  _ _ _  _ _ _
-_ 1 _  _ 8 4  7 9 _
-_ _ _  _ _ 2  _ _ 4
-
-_ 6 _  _ 2 _  _ 7 _
-1 _ _  9 5 _  _ _ _
-5 _ 8  _ _ _  _ 1 _
-
-SOLUTION:
-6 8 3  2 9 7  4 5 1
-7 5 1  6 4 3  9 2 8
-2 4 9  8 1 5  3 6 7
-
-4 7 2  1 3 9  5 8 6
-3 1 6  5 8 4  7 9 2
-8 9 5  7 6 2  1 3 4
-
-9 6 4  3 2 1  8 7 5
-1 2 7  9 5 8  6 4 3
-5 3 8  4 7 6  2 1 9
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,4,null,null,null,null,null,null,1,0,null,null,null,null,null,6,null,null,5,null,null,3,null,null,null,2,6,null,null,0,8,null,null,3,null,null,null,null,null,6,null,null,null,4,7,null,null,null,4,null,2,8,null,null,null,null,null,null,null,8,0,null,null,null,3,null,null,null,null,null,null,0,null,null,null,null,2,7,null,null],"solution":[2,3,4,6,7,8,1,5,0,1,0,7,4,2,5,3,6,8,8,5,6,1,3,0,4,7,2,6,4,2,0,8,1,5,3,7,3,8,5,2,6,7,0,1,4,7,1,0,5,4,3,2,8,6,4,2,1,7,5,6,8,0,3,5,7,3,8,0,4,6,2,1,0,6,8,3,1,2,7,4,5]}
-PUZZLE:
-_ _ 5  _ _ _  _ _ _
-2 1 _  _ _ _  _ 7 _
-_ 6 _  _ 4 _  _ _ 3
-
-7 _ _  1 9 _  _ 4 _
-_ _ _  _ 7 _  _ _ 5
-8 _ _  _ 5 _  3 9 _
-
-_ _ _  _ _ _  9 1 _
-_ _ 4  _ _ _  _ _ _
-1 _ _  _ _ 3  8 _ _
-
-SOLUTION:
-3 4 5  7 8 9  2 6 1
-2 1 8  5 3 6  4 7 9
-9 6 7  2 4 1  5 8 3
-
-7 5 3  1 9 2  6 4 8
-4 9 6  3 7 8  1 2 5
-8 2 1  6 5 4  3 9 7
-
-5 3 2  8 6 7  9 1 4
-6 8 4  9 1 5  7 3 2
-1 7 9  4 2 3  8 5 6
-
-RATING: 1.5
-DATA:
-{"puzzle":[null,null,null,3,null,4,5,null,null,4,null,7,0,null,null,3,2,null,null,null,null,null,1,null,null,8,null,1,null,null,null,null,3,2,null,null,null,null,2,null,null,null,null,7,6,8,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,8,null,3,1,7,null,null,null,null,1,8,null,6,null,3,null],"solution":[2,1,6,3,8,4,5,0,7,4,8,7,0,6,5,3,2,1,0,3,5,7,1,2,6,8,4,1,6,0,5,7,3,2,4,8,3,5,2,1,4,8,0,7,6,8,7,4,6,2,0,1,5,3,6,0,3,4,5,7,8,1,2,5,4,8,2,3,1,7,6,0,7,2,1,8,0,6,4,3,5]}
-PUZZLE:
-_ _ _  4 _ 5  6 _ _
-5 _ 8  1 _ _  4 3 _
-_ _ _  _ 2 _  _ 9 _
-
-2 _ _  _ _ 4  3 _ _
-_ _ 3  _ _ _  _ 8 7
-9 _ _  _ _ _  _ _ _
-
-_ 1 _  _ _ _  _ _ _
-_ _ 9  _ 4 2  8 _ _
-_ _ 2  9 _ 7  _ 4 _
-
-SOLUTION:
-3 2 7  4 9 5  6 1 8
-5 9 8  1 7 6  4 3 2
-1 4 6  8 2 3  7 9 5
-
-2 7 1  6 8 4  3 5 9
-4 6 3  2 5 9  1 8 7
-9 8 5  7 3 1  2 6 4
-
-7 1 4  5 6 8  9 2 3
-6 5 9  3 4 2  8 7 1
-8 3 2  9 1 7  5 4 6
+4 3 8  2 9 5  6 7 1
+7 2 1  3 4 6  8 9 5
+9 6 5  8 7 1  3 2 4
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,7,2,null,null,3,null,6,null,null,null,null,1,null,null,3,null,5,null,null,null,null,null,0,7,2,null,null,null,null,5,null,null,6,null,null,7,null,null,null,2,null,null,null,null,null,1,4,null,null,null,5,null,null,8,null,null,null,null,null,4,null,0,null,null,null,8,null,null,2,null,null,null,5,null,null,4,null],"solution":[1,4,8,0,7,2,6,5,3,0,6,2,5,8,3,1,7,4,3,7,5,4,6,1,2,8,0,7,2,4,6,0,8,5,3,1,6,0,1,7,3,5,4,2,8,8,5,3,2,1,4,7,0,6,5,3,7,8,4,6,0,1,2,4,1,0,3,2,7,8,6,5,2,8,6,1,5,0,3,4,7]}
+{"puzzle":[null,null,null,null,null,null,5,null,null,4,null,null,null,null,null,3,null,null,null,null,8,4,null,3,null,7,null,null,null,null,null,null,8,null,1,2,null,null,3,1,null,7,null,6,null,null,7,4,null,6,null,null,null,null,null,null,null,null,null,0,2,3,null,null,8,null,null,null,null,null,null,5,0,null,7,null,null,null,null,null,null],"solution":[7,3,6,8,2,1,5,4,0,4,1,0,5,7,6,3,2,8,2,5,8,4,0,3,1,7,6,6,0,5,3,4,8,7,1,2,8,2,3,1,5,7,0,6,4,1,7,4,0,6,2,8,5,3,5,4,1,6,8,0,2,3,7,3,8,2,7,1,4,6,0,5,0,6,7,2,3,5,4,8,1]}
 PUZZLE:
-_ _ _  _ 8 3  _ _ 4
-_ 7 _  _ _ _  2 _ _
-4 _ 6  _ _ _  _ _ 1
+_ _ _  _ _ _  6 _ _
+5 _ _  _ _ _  4 _ _
+_ _ 9  5 _ 4  _ 8 _
 
-8 3 _  _ _ _  6 _ _
-7 _ _  8 _ _  _ 3 _
-_ _ _  _ 2 5  _ _ _
+_ _ _  _ _ 9  _ 2 3
+_ _ 4  2 _ 8  _ 7 _
+_ 8 5  _ 7 _  _ _ _
 
-6 _ _  9 _ _  _ _ _
-5 _ 1  _ _ _  9 _ _
-3 _ _  _ 6 _  _ 5 _
+_ _ _  _ _ 1  3 4 _
+_ 9 _  _ _ _  _ _ 6
+1 _ 8  _ _ _  _ _ _
 
 SOLUTION:
-2 5 9  1 8 3  7 6 4
-1 7 3  6 9 4  2 8 5
-4 8 6  5 7 2  3 9 1
+8 4 7  9 3 2  6 5 1
+5 2 1  6 8 7  4 3 9
+3 6 9  5 1 4  2 8 7
 
-8 3 5  7 1 9  6 4 2
-7 1 2  8 4 6  5 3 9
-9 6 4  3 2 5  8 1 7
+7 1 6  4 5 9  8 2 3
+9 3 4  2 6 8  1 7 5
+2 8 5  1 7 3  9 6 4
 
-6 4 8  9 5 7  1 2 3
-5 2 1  4 3 8  9 7 6
-3 9 7  2 6 1  4 5 8
+6 5 2  7 9 1  3 4 8
+4 9 3  8 2 5  7 1 6
+1 7 8  3 4 6  5 9 2
 
 RATING: 0
 DATA:
-{"puzzle":[7,null,4,null,null,3,null,null,null,null,5,1,null,null,8,null,null,null,null,null,null,null,null,null,null,1,7,null,null,null,null,8,6,null,2,null,null,null,null,null,null,null,null,8,null,null,null,null,null,5,null,3,null,null,null,null,6,null,null,2,null,7,null,null,7,null,null,6,null,5,null,8,0,null,3,1,null,null,4,null,null],"solution":[7,2,4,6,1,3,8,5,0,6,5,1,7,0,8,2,4,3,3,0,8,5,2,4,6,1,7,4,1,0,3,8,6,7,2,5,2,3,5,0,4,7,1,8,6,8,6,7,2,5,1,3,0,4,5,4,6,8,3,2,0,7,1,1,7,2,4,6,0,5,3,8,0,8,3,1,7,5,4,6,2]}
+{"puzzle":[null,5,null,0,null,null,null,null,null,null,null,null,1,7,null,null,null,null,null,8,4,null,null,null,null,null,1,3,6,null,null,null,null,null,4,5,null,null,null,5,2,null,null,null,6,null,null,null,null,null,null,1,null,null,null,null,2,7,null,null,null,null,null,6,4,0,null,null,3,null,8,null,null,1,null,null,6,null,null,null,null],"solution":[1,5,3,0,4,6,8,7,2,0,2,6,1,7,8,4,5,3,7,8,4,3,5,2,0,6,1,3,6,1,8,0,7,2,4,5,4,0,8,5,2,1,7,3,6,2,7,5,6,3,4,1,0,8,5,3,2,7,8,0,6,1,4,6,4,0,2,1,3,5,8,7,8,1,7,4,6,5,3,2,0]}
 PUZZLE:
-8 _ 5  _ _ 4  _ _ _
-_ 6 2  _ _ 9  _ _ _
-_ _ _  _ _ _  _ 2 8
+_ 6 _  1 _ _  _ _ _
+_ _ _  2 8 _  _ _ _
+_ 9 5  _ _ _  _ _ 2
 
-_ _ _  _ 9 7  _ 3 _
-_ _ _  _ _ _  _ 9 _
-_ _ _  _ 6 _  4 _ _
+4 7 _  _ _ _  _ 5 6
+_ _ _  6 3 _  _ _ 7
+_ _ _  _ _ _  2 _ _
 
-_ _ 7  _ _ 3  _ 8 _
-_ 8 _  _ 7 _  6 _ 9
-1 _ 4  2 _ _  5 _ _
+_ _ 3  8 _ _  _ _ _
+7 5 1  _ _ 4  _ 9 _
+_ 2 _  _ 7 _  _ _ _
 
 SOLUTION:
-8 3 5  7 2 4  9 6 1
-7 6 2  8 1 9  3 5 4
-4 1 9  6 3 5  7 2 8
+2 6 4  1 5 7  9 8 3
+1 3 7  2 8 9  5 6 4
+8 9 5  4 6 3  1 7 2
 
-5 2 1  4 9 7  8 3 6
-3 4 6  1 5 8  2 9 7
-9 7 8  3 6 2  4 1 5
+4 7 2  9 1 8  3 5 6
+5 1 9  6 3 2  8 4 7
+3 8 6  7 4 5  2 1 9
 
-6 5 7  9 4 3  1 8 2
-2 8 3  5 7 1  6 4 9
-1 9 4  2 8 6  5 7 3
-
-RATING: 1
-DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,4,null,null,4,null,2,null,6,null,null,null,7,7,null,null,null,4,null,null,null,2,null,0,null,null,8,3,null,null,null,null,8,null,null,null,null,1,null,5,null,null,6,5,null,null,null,8,null,null,1,3,null,0,null,null,null,null,null,null,null,null,null,2,null,null,null],"solution":[1,7,8,4,2,0,5,6,3,6,3,0,7,5,1,4,2,8,4,5,2,3,6,8,0,1,7,7,6,1,0,4,5,8,3,2,2,0,5,1,8,3,6,7,4,3,8,4,2,7,6,1,0,5,0,2,6,5,3,4,7,8,1,5,1,3,8,0,7,2,4,6,8,4,7,6,1,2,3,5,0]}
-PUZZLE:
-_ _ _  _ _ _  _ _ _
-_ 4 _  _ _ _  5 _ _
-5 _ 3  _ 7 _  _ _ 8
-
-8 _ _  _ 5 _  _ _ 3
-_ 1 _  _ 9 4  _ _ _
-_ 9 _  _ _ _  2 _ 6
-
-_ _ 7  6 _ _  _ 9 _
-_ 2 4  _ 1 _  _ _ _
-_ _ _  _ _ 3  _ _ _
-
-SOLUTION:
-2 8 9  5 3 1  6 7 4
-7 4 1  8 6 2  5 3 9
-5 6 3  4 7 9  1 2 8
-
-8 7 2  1 5 6  9 4 3
-3 1 6  2 9 4  7 8 5
-4 9 5  3 8 7  2 1 6
-
-1 3 7  6 4 5  8 9 2
-6 2 4  9 1 8  3 5 7
-9 5 8  7 2 3  4 6 1
-
-RATING: 1.25
-DATA:
-{"puzzle":[4,null,null,null,null,null,null,7,null,null,null,null,3,null,0,null,8,4,3,null,0,null,7,null,null,null,null,null,null,null,null,null,null,null,1,6,null,null,null,null,null,8,null,null,null,null,2,5,null,1,null,null,null,null,null,null,1,7,null,null,6,null,null,null,null,null,8,null,4,null,null,null,2,null,7,null,null,5,null,0,null],"solution":[4,1,2,5,8,6,3,7,0,7,5,6,3,2,0,1,8,4,3,8,0,4,7,1,2,6,5,0,3,8,2,4,7,5,1,6,1,7,4,6,5,8,0,3,2,6,2,5,0,1,3,8,4,7,8,4,1,7,0,2,6,5,3,5,0,3,8,6,4,7,2,1,2,6,7,1,3,5,4,0,8]}
-PUZZLE:
-5 _ _  _ _ _  _ 8 _
-_ _ _  4 _ 1  _ 9 5
-4 _ 1  _ 8 _  _ _ _
-
-_ _ _  _ _ _  _ 2 7
-_ _ _  _ _ 9  _ _ _
-_ 3 6  _ 2 _  _ _ _
-
-_ _ 2  8 _ _  7 _ _
-_ _ _  9 _ 5  _ _ _
-3 _ 8  _ _ 6  _ 1 _
-
-SOLUTION:
-5 2 3  6 9 7  4 8 1
-8 6 7  4 3 1  2 9 5
-4 9 1  5 8 2  3 7 6
-
-1 4 9  3 5 8  6 2 7
-2 8 5  7 6 9  1 4 3
-7 3 6  1 2 4  9 5 8
-
-9 5 2  8 1 3  7 6 4
-6 1 4  9 7 5  8 3 2
-3 7 8  2 4 6  5 1 9
-
-RATING: 1.25
-DATA:
-{"puzzle":[0,null,3,null,null,5,6,1,null,null,null,null,null,null,null,null,null,null,null,null,null,null,2,7,null,8,3,null,8,null,null,null,null,null,null,null,null,1,null,null,3,null,null,7,4,6,4,null,1,0,null,null,null,null,null,null,null,null,null,null,null,null,null,5,null,2,null,8,null,4,null,null,null,null,null,null,null,0,null,6,5],"solution":[0,2,3,8,4,5,6,1,7,7,5,8,3,6,1,2,4,0,4,6,1,0,2,7,5,8,3,3,8,0,5,7,4,1,2,6,2,1,5,6,3,8,0,7,4,6,4,7,1,0,2,3,5,8,1,7,6,4,5,3,8,0,2,5,0,2,7,8,6,4,3,1,8,3,4,2,1,0,7,6,5]}
-PUZZLE:
-1 _ 4  _ _ 6  7 2 _
-_ _ _  _ _ _  _ _ _
-_ _ _  _ 3 8  _ 9 4
-
-_ 9 _  _ _ _  _ _ _
-_ 2 _  _ 4 _  _ 8 5
-7 5 _  2 1 _  _ _ _
-
-_ _ _  _ _ _  _ _ _
-6 _ 3  _ 9 _  5 _ _
-_ _ _  _ _ 1  _ 7 6
-
-SOLUTION:
-1 3 4  9 5 6  7 2 8
-8 6 9  4 7 2  3 5 1
-5 7 2  1 3 8  6 9 4
-
-4 9 1  6 8 5  2 3 7
-3 2 6  7 4 9  1 8 5
-7 5 8  2 1 3  4 6 9
-
-2 8 7  5 6 4  9 1 3
-6 1 3  8 9 7  5 4 2
-9 4 5  3 2 1  8 7 6
-
-RATING: 2
-DATA:
-{"puzzle":[5,null,0,null,null,null,null,null,null,null,null,1,null,null,null,null,null,4,null,null,null,8,2,null,null,null,null,null,null,3,4,6,null,null,null,1,null,null,null,5,null,null,null,null,null,null,1,null,null,3,2,5,null,null,8,3,null,null,null,null,null,0,null,null,null,null,null,4,null,8,null,null,null,0,null,6,null,8,null,5,null],"solution":[5,2,0,1,7,4,6,3,8,6,8,1,3,0,5,2,7,4,3,4,7,8,2,6,0,1,5,2,5,3,4,6,0,7,8,1,0,7,6,5,8,1,3,4,2,4,1,8,7,3,2,5,6,0,8,3,4,2,5,7,1,0,6,1,6,5,0,4,3,8,2,7,7,0,2,6,1,8,4,5,3]}
-PUZZLE:
-6 _ 1  _ _ _  _ _ _
-_ _ 2  _ _ _  _ _ 5
-_ _ _  9 3 _  _ _ _
-
-_ _ 4  5 7 _  _ _ 2
-_ _ _  6 _ _  _ _ _
-_ 2 _  _ 4 3  6 _ _
-
-9 4 _  _ _ _  _ 1 _
-_ _ _  _ 5 _  9 _ _
-_ 1 _  7 _ 9  _ 6 _
-
-SOLUTION:
-6 3 1  2 8 5  7 4 9
-7 9 2  4 1 6  3 8 5
-4 5 8  9 3 7  1 2 6
-
-3 6 4  5 7 1  8 9 2
-1 8 7  6 9 2  4 5 3
-5 2 9  8 4 3  6 7 1
-
-9 4 5  3 6 8  2 1 7
-2 7 6  1 5 4  9 3 8
-8 1 3  7 2 9  5 6 4
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,null,null,null,null,6,5,null,null,null,3,null,null,null,7,null,null,7,8,6,0,5,null,null,null,1,3,2,null,null,6,null,null,null,null,null,null,0,null,null,2,null,7,null,null,null,null,3,1,null,2,null,null,null,null,null,null,null,3,5,null,null,null,7,null,5,null,null,null,null,2,0,null,null,null,2,null,null,null,null],"solution":[4,0,2,1,3,7,6,5,8,1,5,3,2,8,6,7,4,0,7,8,6,0,5,4,3,2,1,3,2,1,7,6,5,0,8,4,5,6,0,8,4,2,1,7,3,8,4,7,3,1,0,2,6,5,2,1,8,4,7,3,5,0,6,6,7,4,5,0,1,8,3,2,0,3,5,6,2,8,4,1,7]}
-PUZZLE:
-_ _ _  _ _ _  7 6 _
-_ _ 4  _ _ _  8 _ _
-8 9 7  1 6 _  _ _ 2
-
-4 3 _  _ 7 _  _ _ _
-_ _ 1  _ _ 3  _ 8 _
-_ _ _  4 2 _  3 _ _
-
-_ _ _  _ _ 4  6 _ _
-_ 8 _  6 _ _  _ _ 3
-1 _ _  _ 3 _  _ _ _
-
-SOLUTION:
-5 1 3  2 4 8  7 6 9
-2 6 4  3 9 7  8 5 1
-8 9 7  1 6 5  4 3 2
-
-4 3 2  8 7 6  1 9 5
-6 7 1  9 5 3  2 8 4
-9 5 8  4 2 1  3 7 6
-
-3 2 9  5 8 4  6 1 7
-7 8 5  6 1 2  9 4 3
-1 4 6  7 3 9  5 2 8
-
-RATING: 0
-DATA:
-{"puzzle":[null,null,6,null,null,null,8,5,null,3,null,null,null,null,5,7,null,6,null,null,null,null,null,6,null,3,null,null,null,1,0,null,null,3,null,null,null,3,null,6,null,null,null,2,null,null,2,7,null,null,8,6,null,null,5,null,null,null,null,2,0,null,7,null,1,null,5,null,null,null,8,null,null,4,2,null,null,0,null,null,null],"solution":[1,7,6,4,0,3,8,5,2,3,0,8,2,1,5,7,4,6,2,5,4,7,8,6,1,3,0,8,6,1,0,2,4,3,7,5,0,3,5,6,7,1,4,2,8,4,2,7,3,5,8,6,0,1,5,8,3,1,4,2,0,6,7,6,1,0,5,3,7,2,8,4,7,4,2,8,6,0,5,1,3]}
-PUZZLE:
-_ _ 7  _ _ _  9 6 _
-4 _ _  _ _ 6  8 _ 7
-_ _ _  _ _ 7  _ 4 _
-
-_ _ 2  1 _ _  4 _ _
-_ 4 _  7 _ _  _ 3 _
-_ 3 8  _ _ 9  7 _ _
-
-6 _ _  _ _ 3  1 _ 8
-_ 2 _  6 _ _  _ 9 _
-_ 5 3  _ _ 1  _ _ _
-
-SOLUTION:
-2 8 7  5 1 4  9 6 3
-4 1 9  3 2 6  8 5 7
-3 6 5  8 9 7  2 4 1
-
-9 7 2  1 3 5  4 8 6
-1 4 6  7 8 2  5 3 9
-5 3 8  4 6 9  7 1 2
-
-6 9 4  2 5 3  1 7 8
-7 2 1  6 4 8  3 9 5
-8 5 3  9 7 1  6 2 4
-
-RATING: 3.75
-DATA:
-{"puzzle":[1,null,2,7,null,null,null,null,4,null,null,null,null,null,null,6,null,null,null,null,null,3,1,null,null,null,8,null,null,7,5,2,null,null,0,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,2,1,null,2,null,null,null,7,null,null,null,4,1,null,null,5,null,null,null,3,null,7,null,null,3,null,null,null,5],"solution":[1,5,2,7,8,6,0,3,4,7,8,3,4,0,5,6,1,2,6,0,4,3,1,2,7,5,8,8,4,7,5,2,1,3,0,6,2,3,1,6,4,0,5,8,7,5,6,0,8,7,3,4,2,1,3,2,5,1,6,7,8,4,0,4,1,6,0,5,8,2,7,3,0,7,8,2,3,4,1,6,5]}
-PUZZLE:
-2 _ 3  8 _ _  _ _ 5
-_ _ _  _ _ _  7 _ _
-_ _ _  4 2 _  _ _ 9
-
-_ _ 8  6 3 _  _ 1 _
-_ _ _  _ _ 1  _ _ _
-_ _ _  _ _ _  _ 3 2
-
-_ 3 _  _ _ 8  _ _ _
-5 2 _  _ 6 _  _ _ 4
-_ 8 _  _ 4 _  _ _ 6
-
-SOLUTION:
-2 6 3  8 9 7  1 4 5
-8 9 4  5 1 6  7 2 3
-7 1 5  4 2 3  8 6 9
-
-9 5 8  6 3 2  4 1 7
-3 4 2  7 5 1  6 9 8
-6 7 1  9 8 4  5 3 2
-
-4 3 6  2 7 8  9 5 1
-5 2 7  1 6 9  3 8 4
-1 8 9  3 4 5  2 7 6
-
-RATING: 4.75
-DATA:
-{"puzzle":[null,null,null,2,null,null,3,null,null,null,null,7,null,null,null,null,2,0,null,6,null,null,null,null,null,null,null,null,4,3,null,null,null,null,5,null,null,1,5,0,null,null,4,7,null,null,null,null,5,null,1,null,null,null,null,null,null,7,0,null,null,null,null,null,5,null,null,null,null,1,3,null,4,null,null,null,null,8,0,null,null],"solution":[5,0,4,2,8,7,3,1,6,3,8,7,6,1,4,5,2,0,2,6,1,3,5,0,7,8,4,0,4,3,8,7,6,2,5,1,6,1,5,0,2,3,4,7,8,7,2,8,5,4,1,6,0,3,1,3,6,7,0,5,8,4,2,8,5,0,4,6,2,1,3,7,4,7,2,1,3,8,0,6,5]}
-PUZZLE:
-_ _ _  3 _ _  4 _ _
-_ _ 8  _ _ _  _ 3 1
-_ 7 _  _ _ _  _ _ _
-
-_ 5 4  _ _ _  _ 6 _
-_ 2 6  1 _ _  5 8 _
-_ _ _  6 _ 2  _ _ _
-
-_ _ _  8 1 _  _ _ _
-_ 6 _  _ _ _  2 4 _
-5 _ _  _ _ 9  1 _ _
-
-SOLUTION:
-6 1 5  3 9 8  4 2 7
-4 9 8  7 2 5  6 3 1
-3 7 2  4 6 1  8 9 5
-
-1 5 4  9 8 7  3 6 2
-7 2 6  1 3 4  5 8 9
-8 3 9  6 5 2  7 1 4
-
-2 4 7  8 1 6  9 5 3
-9 6 1  5 7 3  2 4 8
-5 8 3  2 4 9  1 7 6
-
-RATING: 3.25
-DATA:
-{"puzzle":[null,3,null,null,8,null,null,1,5,0,4,null,null,null,null,null,null,8,null,6,5,null,null,0,null,7,null,null,0,null,7,null,5,3,null,null,null,null,null,null,null,null,null,null,null,null,null,null,1,4,null,6,null,null,null,null,null,null,null,1,null,null,4,7,1,null,6,5,null,null,null,null,null,null,3,null,null,null,null,null,null],"solution":[2,3,7,4,8,6,0,1,5,0,4,1,5,3,7,2,6,8,8,6,5,2,1,0,4,7,3,1,0,4,7,6,5,3,8,2,3,7,6,8,0,2,5,4,1,5,2,8,1,4,3,6,0,7,6,8,0,3,2,1,7,5,4,7,1,2,6,5,4,8,3,0,4,5,3,0,7,8,1,2,6]}
-PUZZLE:
-_ 4 _  _ 9 _  _ 2 6
-1 5 _  _ _ _  _ _ 9
-_ 7 6  _ _ 1  _ 8 _
-
-_ 1 _  8 _ 6  4 _ _
-_ _ _  _ _ _  _ _ _
-_ _ _  2 5 _  7 _ _
-
-_ _ _  _ _ 2  _ _ 5
-8 2 _  7 6 _  _ _ _
-_ _ 4  _ _ _  _ _ _
-
-SOLUTION:
-3 4 8  5 9 7  1 2 6
-1 5 2  6 4 8  3 7 9
-9 7 6  3 2 1  5 8 4
-
-2 1 5  8 7 6  4 9 3
-4 8 7  9 1 3  6 5 2
-6 3 9  2 5 4  7 1 8
-
-7 9 1  4 3 2  8 6 5
-8 2 3  7 6 5  9 4 1
-5 6 4  1 8 9  2 3 7
+6 4 3  8 9 1  7 2 5
+7 5 1  3 2 4  6 9 8
+9 2 8  5 7 6  4 3 1
 
 RATING: 2.75
 DATA:
-{"puzzle":[null,null,null,null,4,2,null,null,0,null,null,null,null,null,7,null,null,null,8,7,null,0,null,null,null,null,6,null,null,null,null,2,null,null,null,5,null,null,1,null,6,null,7,null,8,null,3,6,null,null,null,null,1,null,7,null,null,null,null,null,5,3,null,null,null,null,null,null,null,null,null,null,5,null,2,null,1,null,null,4,null],"solution":[3,6,5,8,4,2,1,7,0,1,2,0,6,5,7,4,8,3,8,7,4,0,3,1,2,5,6,4,8,7,1,2,0,3,6,5,0,5,1,4,6,3,7,2,8,2,3,6,7,8,5,0,1,4,7,4,8,2,0,6,5,3,1,6,1,3,5,7,4,8,0,2,5,0,2,3,1,8,6,4,7]}
+{"puzzle":[2,3,null,null,4,null,null,6,null,null,8,null,0,null,7,null,null,null,null,null,null,null,null,6,0,null,null,5,null,3,null,null,null,null,null,null,1,null,null,null,null,null,2,null,3,null,null,null,null,null,null,null,null,null,null,0,7,null,null,1,3,null,4,null,null,5,null,null,0,null,null,null,3,null,null,null,6,5,1,null,null],"solution":[2,3,0,5,4,8,7,6,1,4,8,6,0,1,7,5,3,2,7,5,1,3,2,6,0,4,8,5,4,3,1,0,2,8,7,6,1,7,8,6,5,4,2,0,3,0,6,2,8,7,3,4,1,5,6,0,7,2,8,1,3,5,4,8,1,5,4,3,0,6,2,7,3,2,4,7,6,5,1,8,0]}
 PUZZLE:
-_ _ _  _ 5 3  _ _ 1
-_ _ _  _ _ 8  _ _ _
-9 8 _  1 _ _  _ _ 7
+3 4 _  _ 5 _  _ 7 _
+_ 9 _  1 _ 8  _ _ _
+_ _ _  _ _ 7  1 _ _
 
-_ _ _  _ 3 _  _ _ 6
-_ _ 2  _ 7 _  8 _ 9
-_ 4 7  _ _ _  _ 2 _
-
-8 _ _  _ _ _  6 4 _
+6 _ 4  _ _ _  _ _ _
+2 _ _  _ _ _  3 _ 4
 _ _ _  _ _ _  _ _ _
-6 _ 3  _ 2 _  _ 5 _
+
+_ 1 8  _ _ 2  4 _ 5
+_ _ 6  _ _ 1  _ _ _
+4 _ _  _ 7 6  2 _ _
 
 SOLUTION:
-4 7 6  9 5 3  2 8 1
-2 3 1  7 6 8  5 9 4
-9 8 5  1 4 2  3 6 7
+3 4 1  6 5 9  8 7 2
+5 9 7  1 2 8  6 4 3
+8 6 2  4 3 7  1 5 9
 
-5 9 8  2 3 1  4 7 6
-1 6 2  5 7 4  8 3 9
-3 4 7  8 9 6  1 2 5
+6 5 4  2 1 3  9 8 7
+2 8 9  7 6 5  3 1 4
+1 7 3  9 8 4  5 2 6
 
-8 5 9  3 1 7  6 4 2
-7 2 4  6 8 5  9 1 3
-6 1 3  4 2 9  7 5 8
+7 1 8  3 9 2  4 6 5
+9 2 6  5 4 1  7 3 8
+4 3 5  8 7 6  2 9 1
 
-RATING: 2.25
+RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,null,null,null,null,null,3,null,7,null,4,null,null,null,5,null,null,null,3,null,5,null,null,7,4,6,2,8,null,null,null,5,null,null,null,null,null,3,null,null,null,0,null,null,null,null,6,null,null,8,null,null,7,6,null,null,1,null,null,null,null,null,8,null,null,6,1,null,null,2,null,null,null,null,null,0,null,null],"solution":[8,5,0,2,1,7,4,3,6,3,1,7,6,4,8,2,0,5,6,2,4,3,0,5,8,1,7,4,6,2,8,7,0,3,5,1,7,8,5,1,3,2,6,4,0,1,0,3,5,6,4,7,8,2,0,7,6,4,8,1,5,2,3,5,3,8,0,2,6,1,7,4,2,4,1,7,5,3,0,6,8]}
+{"puzzle":[null,3,2,7,null,null,null,null,null,null,6,null,null,null,null,null,null,3,null,null,null,null,null,null,0,null,2,null,null,1,null,null,8,null,null,null,null,null,null,0,null,null,null,null,4,5,0,6,null,null,3,null,null,8,null,5,null,null,4,null,null,null,null,null,1,null,null,null,null,null,6,null,0,null,8,null,2,null,null,1,null],"solution":[4,3,2,7,8,0,6,5,1,7,6,0,5,1,2,8,4,3,1,8,5,6,3,4,0,7,2,3,4,1,2,5,8,7,0,6,8,2,7,0,6,1,5,3,4,5,0,6,4,7,3,1,2,8,6,5,3,1,4,7,2,8,0,2,1,4,8,0,5,3,6,7,0,7,8,3,2,6,4,1,5]}
+PUZZLE:
+_ 4 3  8 _ _  _ _ _
+_ 7 _  _ _ _  _ _ 4
+_ _ _  _ _ _  1 _ 3
+
+_ _ 2  _ _ 9  _ _ _
+_ _ _  1 _ _  _ _ 5
+6 1 7  _ _ 4  _ _ 9
+
+_ 6 _  _ 5 _  _ _ _
+_ 2 _  _ _ _  _ 7 _
+1 _ 9  _ 3 _  _ 2 _
+
+SOLUTION:
+5 4 3  8 9 1  7 6 2
+8 7 1  6 2 3  9 5 4
+2 9 6  7 4 5  1 8 3
+
+4 5 2  3 6 9  8 1 7
+9 3 8  1 7 2  6 4 5
+6 1 7  5 8 4  2 3 9
+
+7 6 4  2 5 8  3 9 1
+3 2 5  9 1 6  4 7 8
+1 8 9  4 3 7  5 2 6
+
+RATING: 0
+DATA:
+{"puzzle":[7,0,null,null,null,3,null,null,6,null,null,null,null,null,4,2,null,null,null,null,8,null,null,null,7,null,null,5,4,null,null,null,null,null,2,null,null,8,null,null,7,null,null,null,null,null,null,null,null,null,6,null,null,null,6,3,null,1,null,2,null,0,null,2,null,null,4,null,null,null,null,8,null,7,null,null,null,0,null,null,null],"solution":[7,0,5,8,2,3,1,4,6,1,6,3,7,0,4,2,8,5,4,2,8,6,1,5,7,3,0,5,4,7,0,3,8,6,2,1,3,8,6,2,7,1,0,5,4,0,1,2,5,4,6,8,7,3,6,3,4,1,8,2,5,0,7,2,5,0,4,6,7,3,1,8,8,7,1,3,5,0,4,6,2]}
+PUZZLE:
+8 1 _  _ _ 4  _ _ 7
+_ _ _  _ _ 5  3 _ _
+_ _ 9  _ _ _  8 _ _
+
+6 5 _  _ _ _  _ 3 _
+_ 9 _  _ 8 _  _ _ _
+_ _ _  _ _ 7  _ _ _
+
+7 4 _  2 _ 3  _ 1 _
+3 _ _  5 _ _  _ _ 9
+_ 8 _  _ _ 1  _ _ _
+
+SOLUTION:
+8 1 6  9 3 4  2 5 7
+2 7 4  8 1 5  3 9 6
+5 3 9  7 2 6  8 4 1
+
+6 5 8  1 4 9  7 3 2
+4 9 7  3 8 2  1 6 5
+1 2 3  6 5 7  9 8 4
+
+7 4 5  2 9 3  6 1 8
+3 6 1  5 7 8  4 2 9
+9 8 2  4 6 1  5 7 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,3,0,null,null,null,3,null,null,7,null,null,5,null,null,null,null,6,null,null,null,1,2,null,null,null,null,0,6,null,null,null,null,null,null,7,3,null,null,null,null,null,6,0,2,null,5,7,null,8,null,null,null,3,6,null,null,8,0,4,null,null,null,null,null,null,null,null,null,2,null,null,8,null,null,null,null,null],"solution":[1,4,5,2,3,0,6,7,8,3,2,8,7,1,6,5,4,0,0,7,6,5,4,8,1,2,3,8,3,1,0,6,2,4,5,7,4,5,7,3,8,1,0,6,2,6,0,2,4,5,7,3,8,1,7,1,3,6,2,5,8,0,4,5,8,0,1,7,4,2,3,6,2,6,4,8,0,3,7,1,5]}
+PUZZLE:
+_ _ _  _ 4 1  _ _ _
+4 _ _  8 _ _  6 _ _
+_ _ 7  _ _ _  2 3 _
+
+_ _ _  1 7 _  _ _ _
+_ _ 8  4 _ _  _ _ _
+7 1 3  _ 6 8  _ 9 _
+
+_ _ 4  7 _ _  9 1 5
+_ _ _  _ _ _  _ _ _
+3 _ _  9 _ _  _ _ _
+
+SOLUTION:
+2 5 6  3 4 1  7 8 9
+4 3 9  8 2 7  6 5 1
+1 8 7  6 5 9  2 3 4
+
+9 4 2  1 7 3  5 6 8
+5 6 8  4 9 2  1 7 3
+7 1 3  5 6 8  4 9 2
+
+8 2 4  7 3 6  9 1 5
+6 9 1  2 8 5  3 4 7
+3 7 5  9 1 4  8 2 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[2,null,null,0,7,null,5,null,null,null,8,null,5,null,null,null,null,null,null,null,null,null,8,null,0,null,null,null,4,5,null,null,3,6,1,null,null,null,1,null,null,null,null,0,null,8,null,null,null,6,null,null,null,7,null,0,4,null,null,null,null,null,null,1,2,null,null,null,null,null,null,5,null,null,null,8,null,7,null,null,null],"solution":[2,6,3,0,7,4,5,8,1,4,8,0,5,3,1,2,7,6,5,1,7,6,8,2,0,3,4,0,4,5,7,2,3,6,1,8,6,7,1,4,5,8,3,0,2,8,3,2,1,6,0,4,5,7,7,0,4,2,1,5,8,6,3,1,2,8,3,0,6,7,4,5,3,5,6,8,4,7,1,2,0]}
+PUZZLE:
+3 _ _  1 8 _  6 _ _
+_ 9 _  6 _ _  _ _ _
+_ _ _  _ 9 _  1 _ _
+
+_ 5 6  _ _ 4  7 2 _
+_ _ 2  _ _ _  _ 1 _
+9 _ _  _ 7 _  _ _ 8
+
+_ 1 5  _ _ _  _ _ _
+2 3 _  _ _ _  _ _ 6
+_ _ _  9 _ 8  _ _ _
+
+SOLUTION:
+3 7 4  1 8 5  6 9 2
+5 9 1  6 4 2  3 8 7
+6 2 8  7 9 3  1 4 5
+
+1 5 6  8 3 4  7 2 9
+7 8 2  5 6 9  4 1 3
+9 4 3  2 7 1  5 6 8
+
+8 1 5  3 2 6  9 7 4
+2 3 9  4 1 7  8 5 6
+4 6 7  9 5 8  2 3 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,7,null,null,null,6,null,8,1,null,null,3,0,null,2,null,0,null,null,null,null,null,8,null,null,null,3,null,null,null,1,null,5,null,null,5,4,null,null,null,null,8,null,1,null,null,null,0,null,2,null,null,null,2,null,null,null,null,null,null,3,null,null,null,null,null,null,1,null,null,null,null,null,null,6,null,null,0,null],"solution":[5,4,2,7,1,8,3,6,0,8,1,7,6,3,0,4,2,5,0,6,3,4,5,2,8,1,7,2,3,0,8,4,1,7,5,6,7,5,4,3,2,6,0,8,1,1,8,6,5,0,7,2,3,4,4,2,1,0,8,5,6,7,3,6,0,5,2,7,3,1,4,8,3,7,8,1,6,4,5,0,2]}
+PUZZLE:
+_ _ _  8 _ _  _ 7 _
+9 2 _  _ 4 1  _ 3 _
+1 _ _  _ _ _  9 _ _
+
+_ 4 _  _ _ 2  _ 6 _
+_ 6 5  _ _ _  _ 9 _
+2 _ _  _ 1 _  3 _ _
+
+_ 3 _  _ _ _  _ _ 4
+_ _ _  _ _ _  2 _ _
+_ _ _  _ 7 _  _ 1 _
+
+SOLUTION:
+6 5 3  8 2 9  4 7 1
+9 2 8  7 4 1  5 3 6
+1 7 4  5 6 3  9 2 8
+
+3 4 1  9 5 2  8 6 7
+8 6 5  4 3 7  1 9 2
+2 9 7  6 1 8  3 4 5
+
+5 3 2  1 9 6  7 8 4
+7 1 6  3 8 4  2 5 9
+4 8 9  2 7 5  6 1 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,4,null,null,null,0,null,3,null,null,8,2,null,5,null,null,null,null,null,null,null,6,null,null,1,null,null,4,null,null,null,0,2,null,null,null,null,null,null,null,null,7,8,null,4,0,null,null,null,8,null,null,2,null,null,1,null,null,null,4,null,null,null,null,null,null,null,null,null,3,5,0,6,null,null,null,3,null,null,null,null],"solution":[1,4,6,8,2,0,7,3,5,3,8,2,7,5,1,0,4,6,7,0,5,6,4,3,1,8,2,4,6,8,1,0,2,5,7,3,2,5,1,3,6,7,8,0,4,0,3,7,4,8,5,6,2,1,5,1,3,0,7,4,2,6,8,8,7,4,2,1,6,3,5,0,6,2,0,5,3,8,4,1,7]}
+PUZZLE:
+_ 5 _  _ _ 1  _ 4 _
+_ 9 3  _ 6 _  _ _ _
+_ _ _  7 _ _  2 _ _
+
+5 _ _  _ 1 3  _ _ _
+_ _ _  _ _ 8  9 _ 5
+1 _ _  _ 9 _  _ 3 _
+
+_ 2 _  _ _ 5  _ _ _
+_ _ _  _ _ _  4 6 1
+7 _ _  _ 4 _  _ _ _
+
+SOLUTION:
+2 5 7  9 3 1  8 4 6
+4 9 3  8 6 2  1 5 7
+8 1 6  7 5 4  2 9 3
+
+5 7 9  2 1 3  6 8 4
+3 6 2  4 7 8  9 1 5
+1 4 8  5 9 6  7 3 2
+
+6 2 4  1 8 5  3 7 9
+9 8 5  3 2 7  4 6 1
+7 3 1  6 4 9  5 2 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,2,null,null,null,null,2,5,null,null,1,null,null,2,null,null,3,null,0,null,null,6,null,null,5,null,4,null,7,null,null,null,null,null,null,null,null,null,8,null,3,null,7,8,null,null,null,2,0,null,null,null,6,null,null,null,null,null,null,0,null,null,7,null,6,null,1],"solution":[7,1,0,4,3,2,8,6,5,6,5,3,0,1,8,2,4,7,8,4,2,5,6,7,1,0,3,2,7,4,3,8,0,5,1,6,0,8,5,1,4,6,7,3,2,1,3,6,7,2,5,0,8,4,3,6,7,8,5,1,4,2,0,5,2,1,6,0,4,3,7,8,4,0,8,2,7,3,6,5,1]}
 PUZZLE:
 _ _ _  _ _ _  _ _ _
-4 _ 8  _ 5 _  _ _ 6
-_ _ _  4 _ 6  _ _ 8
+7 _ _  _ _ _  3 _ _
+_ _ 3  6 _ _  2 _ _
 
-5 7 3  9 _ _  _ 6 _
-_ _ _  _ 4 _  _ _ 1
-_ _ _  _ 7 _  _ 9 _
+3 _ _  4 _ 1  _ _ 7
+_ _ 6  _ 5 _  8 _ _
+_ _ _  _ _ _  _ 9 _
 
-_ 8 7  _ _ 2  _ _ _
-_ _ 9  _ _ 7  2 _ _
-3 _ _  _ _ _  1 _ _
+4 _ 8  9 _ _  _ 3 1
+_ _ _  7 _ _  _ _ _
+_ 1 _  _ 8 _  7 _ 2
 
 SOLUTION:
-9 6 1  3 2 8  5 4 7
-4 2 8  7 5 9  3 1 6
-7 3 5  4 1 6  9 2 8
+8 2 1  5 4 3  9 7 6
+7 6 4  1 2 9  3 5 8
+9 5 3  6 7 8  2 1 4
 
-5 7 3  9 8 1  4 6 2
-8 9 6  2 4 3  7 5 1
-2 1 4  6 7 5  8 9 3
+3 8 5  4 9 1  6 2 7
+1 9 6  2 5 7  8 4 3
+2 4 7  8 3 6  1 9 5
 
-1 8 7  5 9 2  6 3 4
-6 4 9  1 3 7  2 8 5
-3 5 2  8 6 4  1 7 9
-
-RATING: 2
-DATA:
-{"puzzle":[null,null,null,null,null,5,null,null,null,null,6,2,3,null,null,null,null,1,null,null,null,7,4,null,6,null,null,null,null,1,null,null,null,7,null,4,4,null,null,null,null,2,3,null,null,null,0,null,null,3,null,null,2,null,null,null,null,null,6,null,0,3,null,2,null,null,null,null,null,null,null,7,null,null,null,null,8,null,null,null,null],"solution":[0,1,4,6,2,5,8,7,3,7,6,2,3,0,8,5,4,1,8,5,3,7,4,1,6,0,2,3,2,1,0,5,6,7,8,4,4,8,6,1,7,2,3,5,0,5,0,7,8,3,4,1,2,6,1,4,5,2,6,7,0,3,8,2,3,8,5,1,0,4,6,7,6,7,0,4,8,3,2,1,5]}
-PUZZLE:
-_ _ _  _ _ 6  _ _ _
-_ 7 3  4 _ _  _ _ 2
-_ _ _  8 5 _  7 _ _
-
-_ _ 2  _ _ _  8 _ 5
-5 _ _  _ _ 3  4 _ _
-_ 1 _  _ 4 _  _ 3 _
-
-_ _ _  _ 7 _  1 4 _
-3 _ _  _ _ _  _ _ 8
-_ _ _  _ 9 _  _ _ _
-
-SOLUTION:
-1 2 5  7 3 6  9 8 4
-8 7 3  4 1 9  6 5 2
-9 6 4  8 5 2  7 1 3
-
-4 3 2  1 6 7  8 9 5
-5 9 7  2 8 3  4 6 1
-6 1 8  9 4 5  2 3 7
-
-2 5 6  3 7 8  1 4 9
-3 4 9  6 2 1  5 7 8
-7 8 1  5 9 4  3 2 6
+4 7 8  9 6 2  5 3 1
+6 3 2  7 1 5  4 8 9
+5 1 9  3 8 4  7 6 2
 
 RATING: 3.5
 DATA:
-{"puzzle":[null,null,7,null,null,null,5,null,1,1,null,null,null,null,2,null,null,null,null,null,null,0,null,null,null,null,7,8,4,6,null,null,null,null,2,null,5,null,null,7,null,null,6,null,4,null,null,null,null,null,null,null,null,null,null,2,5,4,null,null,null,3,0,null,3,null,null,null,6,null,null,null,null,null,0,null,null,null,4,null,null],"solution":[2,0,7,3,6,4,5,8,1,1,5,4,8,7,2,0,6,3,3,6,8,0,5,1,2,4,7,8,4,6,1,3,0,7,2,5,5,1,3,7,2,8,6,0,4,0,7,2,6,4,5,3,1,8,6,2,5,4,8,7,1,3,0,4,3,1,5,0,6,8,7,2,7,8,0,2,1,3,4,5,6]}
+{"puzzle":[null,2,null,null,0,null,null,8,null,0,null,null,null,4,null,null,null,null,8,null,5,null,null,null,4,null,6,null,null,null,null,null,7,null,5,null,5,null,null,1,null,null,null,null,3,null,null,null,6,null,2,null,null,1,7,null,null,null,null,null,2,null,5,null,null,null,2,1,null,null,null,null,null,null,8,null,null,null,null,4,null],"solution":[6,2,4,5,0,1,3,8,7,0,3,7,8,4,6,5,1,2,8,1,5,7,2,3,4,0,6,1,8,2,0,3,7,6,5,4,5,7,6,1,8,4,0,2,3,3,4,0,6,5,2,8,7,1,7,0,1,4,6,8,2,3,5,4,5,3,2,1,0,7,6,8,2,6,8,3,7,5,1,4,0]}
 PUZZLE:
-_ _ 8  _ _ _  6 _ 2
-2 _ _  _ _ 3  _ _ _
-_ _ _  1 _ _  _ _ 8
+_ 3 _  _ 1 _  _ 9 _
+1 _ _  _ 5 _  _ _ _
+9 _ 6  _ _ _  5 _ 7
 
-9 5 7  _ _ _  _ 3 _
-6 _ _  8 _ _  7 _ 5
-_ _ _  _ _ _  _ _ _
+_ _ _  _ _ 8  _ 6 _
+6 _ _  2 _ _  _ _ 4
+_ _ _  7 _ 3  _ _ 2
 
-_ 3 6  5 _ _  _ 4 1
-_ 4 _  _ _ 7  _ _ _
-_ _ 1  _ _ _  5 _ _
+8 _ _  _ _ _  3 _ 6
+_ _ _  3 2 _  _ _ _
+_ _ 9  _ _ _  _ 5 _
 
 SOLUTION:
-3 1 8  4 7 5  6 9 2
-2 6 5  9 8 3  1 7 4
-4 7 9  1 6 2  3 5 8
+7 3 5  6 1 2  4 9 8
+1 4 8  9 5 7  6 2 3
+9 2 6  8 3 4  5 1 7
 
-9 5 7  2 4 1  8 3 6
-6 2 4  8 3 9  7 1 5
-1 8 3  7 5 6  4 2 9
+2 9 3  1 4 8  7 6 5
+6 8 7  2 9 5  1 3 4
+4 5 1  7 6 3  9 8 2
 
-7 3 6  5 9 8  2 4 1
-5 4 2  6 1 7  9 8 3
-8 9 1  3 2 4  5 6 7
+8 1 2  5 7 9  3 4 6
+5 6 4  3 2 1  8 7 9
+3 7 9  4 8 6  2 5 1
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,null,null,7,null,2,null,null,null,null,null,5,null,8,null,1,null,8,null,null,2,6,null,null,2,null,6,null,5,null,0,null,null,null,8,5,3,null,null,null,null,1,null,7,4,8,null,null,null,5,null,null,null,2,null,null,null,5,null,null,null,6,null,null,null,null,null,null,0,null,3,null,null,0,null,null,null,null],"solution":[6,5,3,0,4,8,7,1,2,7,2,0,1,6,5,3,8,4,1,4,8,7,3,2,6,0,5,2,1,6,4,5,7,0,3,8,0,8,5,3,2,6,4,7,1,3,7,4,8,1,0,2,5,6,8,0,2,6,7,1,5,4,3,4,6,7,5,8,3,1,2,0,5,3,1,2,0,4,8,6,7]}
+{"puzzle":[6,null,1,null,null,null,null,null,null,null,null,8,null,0,2,null,4,null,null,null,null,null,null,null,null,3,null,null,null,3,null,4,null,5,null,null,null,null,null,0,null,1,null,2,null,null,null,null,null,null,null,1,null,3,8,null,2,null,null,null,null,null,null,null,4,0,5,null,null,3,8,null,null,3,null,1,null,null,null,0,null],"solution":[6,2,1,4,7,3,0,5,8,3,5,8,6,0,2,7,4,1,4,0,7,8,1,5,6,3,2,2,1,3,7,4,8,5,6,0,7,6,5,0,3,1,8,2,4,0,8,4,2,5,6,1,7,3,8,7,2,3,6,0,4,1,5,1,4,0,5,2,7,3,8,6,5,3,6,1,8,4,2,0,7]}
 PUZZLE:
-_ _ _  _ _ _  8 _ 3
-_ _ _  _ _ 6  _ 9 _
-2 _ 9  _ _ 3  7 _ _
+7 _ 2  _ _ _  _ _ _
+_ _ 9  _ 1 3  _ 5 _
+_ _ _  _ _ _  _ 4 _
 
-3 _ 7  _ 6 _  1 _ _
-_ 9 6  4 _ _  _ _ 2
-_ 8 5  9 _ _  _ 6 _
+_ _ 4  _ 5 _  6 _ _
+_ _ _  1 _ 2  _ 3 _
+_ _ _  _ _ _  2 _ 4
 
-_ _ 3  _ _ _  6 _ _
-_ 7 _  _ _ _  _ _ 1
-_ 4 _  _ 1 _  _ _ _
+9 _ 3  _ _ _  _ _ _
+_ 5 1  6 _ _  4 9 _
+_ 4 _  2 _ _  _ 1 _
 
 SOLUTION:
-7 6 4  1 5 9  8 2 3
-8 3 1  2 7 6  4 9 5
-2 5 9  8 4 3  7 1 6
+7 3 2  5 8 4  1 6 9
+4 6 9  7 1 3  8 5 2
+5 1 8  9 2 6  7 4 3
 
-3 2 7  5 6 8  1 4 9
-1 9 6  4 3 7  5 8 2
-4 8 5  9 2 1  3 6 7
+3 2 4  8 5 9  6 7 1
+8 7 6  1 4 2  9 3 5
+1 9 5  3 6 7  2 8 4
 
-9 1 3  7 8 2  6 5 4
-5 7 8  6 9 4  2 3 1
-6 4 2  3 1 5  9 7 8
+9 8 3  4 7 1  5 2 6
+2 5 1  6 3 8  4 9 7
+6 4 7  2 9 5  3 1 8
 
-RATING: 1.25
+RATING: 0
 DATA:
-{"puzzle":[6,null,null,null,null,2,0,null,null,null,4,null,null,null,1,null,null,5,null,null,8,null,null,6,null,null,2,5,null,null,null,null,null,null,4,null,null,null,0,null,5,8,null,null,null,null,null,null,0,null,null,7,null,null,null,null,null,2,null,null,6,1,null,8,null,3,null,6,null,null,2,null,7,null,null,null,null,null,null,null,null],"solution":[6,3,5,7,4,2,0,8,1,2,4,7,8,0,1,3,6,5,1,0,8,5,3,6,4,7,2,5,8,2,6,7,3,1,4,0,4,7,0,1,5,8,2,3,6,3,6,1,0,2,4,7,5,8,0,5,4,2,8,7,6,1,3,8,1,3,4,6,0,5,2,7,7,2,6,3,1,5,8,0,4]}
+{"puzzle":[null,null,null,null,6,2,5,null,null,null,7,null,null,null,null,null,6,8,3,null,null,null,null,1,null,null,4,1,8,null,null,null,null,null,3,null,null,null,5,2,4,null,1,null,null,null,null,null,null,null,7,null,null,null,null,5,null,null,null,4,null,null,null,8,null,4,null,5,null,3,null,null,7,null,null,null,null,null,null,null,null],"solution":[0,4,8,7,6,2,5,1,3,5,7,1,4,3,0,2,6,8,3,6,2,5,8,1,7,0,4,1,8,7,6,0,5,4,3,2,6,3,5,2,4,8,1,7,0,4,2,0,3,1,7,8,5,6,2,5,3,0,7,4,6,8,1,8,0,4,1,5,6,3,2,7,7,1,6,8,2,3,0,4,5]}
 PUZZLE:
-7 _ _  _ _ 3  1 _ _
-_ 5 _  _ _ 2  _ _ 6
-_ _ 9  _ _ 7  _ _ 3
+_ _ _  _ 7 3  6 _ _
+_ 8 _  _ _ _  _ 7 9
+4 _ _  _ _ 2  _ _ 5
 
-6 _ _  _ _ _  _ 5 _
-_ _ 1  _ 6 9  _ _ _
-_ _ _  1 _ _  8 _ _
+2 9 _  _ _ _  _ 4 _
+_ _ 6  3 5 _  2 _ _
+_ _ _  _ _ 8  _ _ _
 
-_ _ _  3 _ _  7 2 _
-9 _ 4  _ 7 _  _ 3 _
+_ 6 _  _ _ 5  _ _ _
+9 _ 5  _ 6 _  4 _ _
 8 _ _  _ _ _  _ _ _
 
 SOLUTION:
-7 4 6  8 5 3  1 9 2
-3 5 8  9 1 2  4 7 6
-2 1 9  6 4 7  5 8 3
+1 5 9  8 7 3  6 2 4
+6 8 2  5 4 1  3 7 9
+4 7 3  6 9 2  8 1 5
 
-6 9 3  7 8 4  2 5 1
-5 8 1  2 6 9  3 4 7
-4 7 2  1 3 5  8 6 9
+2 9 8  7 1 6  5 4 3
+7 4 6  3 5 9  2 8 1
+5 3 1  4 2 8  9 6 7
 
-1 6 5  3 9 8  7 2 4
-9 2 4  5 7 1  6 3 8
-8 3 7  4 2 6  9 1 5
+3 6 4  1 8 5  7 9 2
+9 1 5  2 6 7  4 3 8
+8 2 7  9 3 4  1 5 6
 
-RATING: 2.25
+RATING: 1
 DATA:
-{"puzzle":[7,null,null,null,null,null,1,null,null,null,null,1,null,null,4,null,null,null,6,4,null,null,null,null,null,null,null,null,null,null,7,1,6,5,null,null,null,null,null,null,null,null,null,4,null,2,null,null,null,null,null,null,3,1,null,7,null,null,null,null,null,2,0,null,5,null,4,null,3,6,8,null,0,null,8,null,null,2,null,null,null],"solution":[7,2,5,3,8,0,1,6,4,8,0,1,5,6,4,2,7,3,6,4,3,1,2,7,0,5,8,3,8,4,7,1,6,5,0,2,5,1,0,2,3,8,7,4,6,2,6,7,0,4,5,8,3,1,4,7,6,8,5,1,3,2,0,1,5,2,4,0,3,6,8,7,0,3,8,6,7,2,4,1,5]}
+{"puzzle":[null,null,3,null,null,7,0,null,null,null,null,0,null,null,null,null,4,null,null,null,null,null,4,null,2,7,null,7,null,null,null,null,null,null,null,null,null,null,5,null,3,6,null,null,4,null,8,null,null,null,null,null,2,null,null,5,null,3,null,null,null,8,null,null,null,null,7,null,0,null,null,1,null,null,null,6,8,2,null,null,null],"solution":[4,2,3,1,6,7,0,5,8,6,7,0,5,2,8,1,4,3,5,1,8,0,4,3,2,7,6,7,3,4,2,0,1,8,6,5,2,0,5,8,3,6,7,1,4,1,8,6,4,7,5,3,2,0,0,5,7,3,1,4,6,8,2,8,6,2,7,5,0,4,3,1,3,4,1,6,8,2,5,0,7]}
 PUZZLE:
-8 _ _  _ _ _  2 _ _
-_ _ 2  _ _ 5  _ _ _
-7 5 _  _ _ _  _ _ _
+_ _ 4  _ _ 8  1 _ _
+_ _ 1  _ _ _  _ 5 _
+_ _ _  _ 5 _  3 8 _
 
-_ _ _  8 2 7  6 _ _
-_ _ _  _ _ _  _ 5 _
-3 _ _  _ _ _  _ 4 2
+8 _ _  _ _ _  _ _ _
+_ _ 6  _ 4 7  _ _ 5
+_ 9 _  _ _ _  _ 3 _
 
-_ 8 _  _ _ _  _ 3 1
-_ 6 _  5 _ 4  7 9 _
-1 _ 9  _ _ 3  _ _ _
+_ 6 _  4 _ _  _ 9 _
+_ _ _  8 _ 1  _ _ 2
+_ _ _  7 9 3  _ _ _
 
 SOLUTION:
-8 3 6  4 9 1  2 7 5
-9 1 2  6 7 5  3 8 4
-7 5 4  2 3 8  1 6 9
+5 3 4  2 7 8  1 6 9
+7 8 1  6 3 9  2 5 4
+6 2 9  1 5 4  3 8 7
 
-4 9 5  8 2 7  6 1 3
-6 2 1  3 4 9  8 5 7
-3 7 8  1 5 6  9 4 2
+8 4 5  3 1 2  9 7 6
+3 1 6  9 4 7  8 2 5
+2 9 7  5 8 6  4 3 1
 
-5 8 7  9 6 2  4 3 1
-2 6 3  5 1 4  7 9 8
-1 4 9  7 8 3  5 2 6
+1 6 8  4 2 5  7 9 3
+9 7 3  8 6 1  5 4 2
+4 5 2  7 9 3  6 1 8
 
 RATING: 0
 DATA:
-{"puzzle":[3,null,null,1,null,null,null,null,4,null,5,null,null,7,null,null,0,null,null,null,7,null,null,4,5,null,null,1,null,null,5,null,null,null,4,2,null,null,5,6,null,null,3,null,null,null,8,null,null,null,null,null,null,7,null,null,null,null,0,null,4,1,null,null,null,null,4,null,6,null,null,null,null,6,null,null,null,2,null,null,null],"solution":[3,2,8,1,5,0,7,6,4,6,5,4,3,7,8,2,0,1,0,1,7,2,6,4,5,3,8,1,0,3,5,8,7,6,4,2,7,4,5,6,2,1,3,8,0,2,8,6,0,4,3,1,5,7,8,3,2,7,0,5,4,1,6,5,7,0,4,1,6,8,2,3,4,6,1,8,3,2,0,7,5]}
+{"puzzle":[4,null,null,0,7,3,2,null,null,null,0,null,null,null,null,3,null,8,null,7,null,null,null,null,null,null,null,null,2,null,null,1,null,null,5,3,null,null,null,null,null,null,null,null,1,8,null,null,null,null,7,null,6,null,null,null,null,null,null,8,null,null,null,null,null,2,6,3,null,null,null,null,null,8,null,null,5,2,4,null,7],"solution":[4,5,8,0,7,3,2,1,6,2,0,1,4,6,5,3,7,8,3,7,6,2,8,1,5,4,0,0,2,4,8,1,6,7,5,3,5,6,7,3,0,4,8,2,1,8,1,3,5,2,7,0,6,4,1,3,5,7,4,8,6,0,2,7,4,2,6,3,0,1,8,5,6,8,0,1,5,2,4,3,7]}
 PUZZLE:
-4 _ _  2 _ _  _ _ 5
-_ 6 _  _ 8 _  _ 1 _
-_ _ 8  _ _ 5  6 _ _
+5 _ _  1 8 4  3 _ _
+_ 1 _  _ _ _  4 _ 9
+_ 8 _  _ _ _  _ _ _
 
-2 _ _  6 _ _  _ 5 3
-_ _ 6  7 _ _  4 _ _
-_ 9 _  _ _ _  _ _ 8
+_ 3 _  _ 2 _  _ 6 4
+_ _ _  _ _ _  _ _ 2
+9 _ _  _ _ 8  _ 7 _
 
-_ _ _  _ 1 _  5 2 _
-_ _ _  5 _ 7  _ _ _
-_ 7 _  _ _ 3  _ _ _
+_ _ _  _ _ 9  _ _ _
+_ _ 3  7 4 _  _ _ _
+_ 9 _  _ 6 3  5 _ 8
 
 SOLUTION:
-4 3 9  2 6 1  8 7 5
-7 6 5  4 8 9  3 1 2
-1 2 8  3 7 5  6 4 9
+5 6 9  1 8 4  3 2 7
+3 1 2  5 7 6  4 8 9
+4 8 7  3 9 2  6 5 1
 
-2 1 4  6 9 8  7 5 3
-8 5 6  7 3 2  4 9 1
-3 9 7  1 5 4  2 6 8
+1 3 5  9 2 7  8 6 4
+6 7 8  4 1 5  9 3 2
+9 2 4  6 3 8  1 7 5
 
-9 4 3  8 1 6  5 2 7
-6 8 1  5 2 7  9 3 4
-5 7 2  9 4 3  1 8 6
+2 4 6  8 5 9  7 1 3
+8 5 3  7 4 1  2 9 6
+7 9 1  2 6 3  5 4 8
 
-RATING: 4
+RATING: 1.5
 DATA:
-{"puzzle":[null,null,null,null,2,null,null,null,8,null,null,1,7,null,null,null,null,null,5,null,null,4,null,null,3,6,1,null,null,6,null,null,null,null,null,null,null,null,null,null,3,0,null,null,5,null,3,2,null,null,null,null,1,null,null,null,5,null,null,null,null,null,null,6,null,null,null,4,null,null,null,null,null,1,null,6,null,null,8,3,null],"solution":[4,6,0,3,2,1,5,7,8,3,8,1,7,6,5,4,0,2,5,2,7,4,0,8,3,6,1,1,5,6,2,7,4,0,8,3,7,4,8,1,3,0,6,2,5,0,3,2,5,8,6,7,1,4,8,7,5,0,1,3,2,4,6,6,0,3,8,4,2,1,5,7,2,1,4,6,5,7,8,3,0]}
+{"puzzle":[3,null,null,5,null,0,null,null,1,null,null,0,null,null,null,null,null,6,null,7,null,null,null,null,null,null,null,0,4,5,8,2,null,3,null,null,null,null,null,null,7,null,2,null,null,null,null,null,null,4,null,null,null,null,2,null,null,null,5,null,1,null,null,null,null,1,4,null,null,0,null,null,null,null,null,null,null,null,null,3,4],"solution":[3,6,2,5,8,0,4,7,1,5,1,0,7,3,4,8,2,6,4,7,8,6,1,2,5,0,3,0,4,5,8,2,6,3,1,7,6,8,3,1,7,5,2,4,0,1,2,7,0,4,3,6,8,5,2,0,4,3,5,7,1,6,8,7,3,1,4,6,8,0,5,2,8,5,6,2,0,1,7,3,4]}
 PUZZLE:
-_ _ _  _ 3 _  _ _ 9
-_ _ 2  8 _ _  _ _ _
-6 _ _  5 _ _  4 7 2
+4 _ _  6 _ 1  _ _ 2
+_ _ 1  _ _ _  _ _ 7
+_ 8 _  _ _ _  _ _ _
 
-_ _ 7  _ _ _  _ _ _
-_ _ _  _ 4 1  _ _ 6
-_ 4 3  _ _ _  _ 2 _
+1 5 6  9 3 _  4 _ _
+_ _ _  _ 8 _  3 _ _
+_ _ _  _ 5 _  _ _ _
 
-_ _ 6  _ _ _  _ _ _
-7 _ _  _ 5 _  _ _ _
-_ 2 _  7 _ _  9 4 _
+3 _ _  _ 6 _  2 _ _
+_ _ 2  5 _ _  1 _ _
+_ _ _  _ _ _  _ 4 5
 
 SOLUTION:
-5 7 1  4 3 2  6 8 9
-4 9 2  8 7 6  5 1 3
-6 3 8  5 1 9  4 7 2
+4 7 3  6 9 1  5 8 2
+6 2 1  8 4 5  9 3 7
+5 8 9  7 2 3  6 1 4
 
-2 6 7  3 8 5  1 9 4
-8 5 9  2 4 1  7 3 6
-1 4 3  6 9 7  8 2 5
+1 5 6  9 3 7  4 2 8
+7 9 4  2 8 6  3 5 1
+2 3 8  1 5 4  7 9 6
 
-9 8 6  1 2 4  3 5 7
-7 1 4  9 5 3  2 6 8
-3 2 5  7 6 8  9 4 1
+3 1 5  4 6 8  2 7 9
+8 4 2  5 7 9  1 6 3
+9 6 7  3 1 2  8 4 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,null,null,null,null,null,8,3,null,null,null,null,null,6,4,null,null,1,null,null,null,7,null,5,null,null,null,null,null,8,3,null,null,5,null,5,null,null,2,null,null,0,null,7,7,1,3,5,null,null,null,2,null,3,null,null,6,null,null,null,null,null,null,null,0,null,null,null,null,null,null,2,7,null,0,null,3,null,null,null],"solution":[4,5,6,1,0,2,7,8,3,8,0,7,3,5,6,4,1,2,1,3,2,4,7,8,5,0,6,0,2,4,8,3,7,6,5,1,5,6,8,2,1,4,0,3,7,7,1,3,5,6,0,8,2,4,3,4,1,6,8,5,2,7,0,6,8,0,7,2,1,3,4,5,2,7,5,0,4,3,1,6,8]}
+PUZZLE:
+_ 6 _  _ _ _  _ 9 4
+_ _ _  _ _ 7  5 _ _
+2 _ _  _ 8 _  6 _ _
+
+_ _ _  9 4 _  _ 6 _
+6 _ _  3 _ _  1 _ 8
+8 2 4  6 _ _  _ 3 _
+
+4 _ _  7 _ _  _ _ _
+_ _ 1  _ _ _  _ _ _
+3 8 _  1 _ 4  _ _ _
+
+SOLUTION:
+5 6 7  2 1 3  8 9 4
+9 1 8  4 6 7  5 2 3
+2 4 3  5 8 9  6 1 7
+
+1 3 5  9 4 8  7 6 2
+6 7 9  3 2 5  1 4 8
+8 2 4  6 7 1  9 3 5
+
+4 5 2  7 9 6  3 8 1
+7 9 1  8 3 2  4 5 6
+3 8 6  1 5 4  2 7 9
+
+RATING: 3
+DATA:
+{"puzzle":[0,null,5,null,null,null,null,null,null,null,null,null,5,1,null,null,null,3,null,2,null,8,null,null,null,null,null,null,6,null,1,null,null,5,8,null,7,5,2,null,null,null,null,null,null,null,null,null,null,null,4,2,null,null,null,null,null,null,null,null,null,3,2,3,null,4,7,null,null,6,null,null,null,null,1,null,8,null,null,null,5],"solution":[0,3,5,2,4,6,1,7,8,6,4,8,5,1,7,0,2,3,1,2,7,8,3,0,4,5,6,4,6,3,1,7,2,5,8,0,7,5,2,0,6,8,3,1,4,8,1,0,3,5,4,2,6,7,5,7,6,4,0,1,8,3,2,3,8,4,7,2,5,6,0,1,2,0,1,6,8,3,7,4,5]}
+PUZZLE:
+1 _ 6  _ _ _  _ _ _
+_ _ _  6 2 _  _ _ 4
+_ 3 _  9 _ _  _ _ _
+
+_ 7 _  2 _ _  6 9 _
+8 6 3  _ _ _  _ _ _
+_ _ _  _ _ 5  3 _ _
+
+_ _ _  _ _ _  _ 4 3
+4 _ 5  8 _ _  7 _ _
+_ _ 2  _ 9 _  _ _ 6
+
+SOLUTION:
+1 4 6  3 5 7  2 8 9
+7 5 9  6 2 8  1 3 4
+2 3 8  9 4 1  5 6 7
+
+5 7 4  2 8 3  6 9 1
+8 6 3  1 7 9  4 2 5
+9 2 1  4 6 5  3 7 8
+
+6 8 7  5 1 2  9 4 3
+4 9 5  8 3 6  7 1 2
+3 1 2  7 9 4  8 5 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,7,null,3,null,0,null,null,null,0,null,4,null,null,null,null,null,3,null,null,null,0,null,null,null,null,null,null,null,null,null,null,7,null,null,4,7,5,3,null,null,2,6,null,2,null,1,null,null,8,null,null,null,8,1,null,null,null,null,3,null,6,null,null,6,null,null,null,null,8,null,null,3,null,null,null,2,null,null,null],"solution":[6,4,7,8,3,1,0,5,2,1,0,8,4,2,5,6,3,7,3,5,2,7,0,6,8,4,1,0,8,3,2,6,4,7,1,5,4,7,5,3,1,0,2,6,8,2,6,1,5,7,8,4,0,3,8,1,4,0,5,7,3,2,6,7,2,6,1,4,3,5,8,0,5,3,0,6,8,2,1,7,4]}
+PUZZLE:
+_ 5 8  _ 4 _  1 _ _
+_ 1 _  5 _ _  _ _ _
+4 _ _  _ 1 _  _ _ _
+
+_ _ _  _ _ _  8 _ _
+5 8 6  4 _ _  3 7 _
+3 _ 2  _ _ 9  _ _ _
+
+9 2 _  _ _ _  4 _ 7
+_ _ 7  _ _ _  _ 9 _
+_ 4 _  _ _ 3  _ _ _
+
+SOLUTION:
+7 5 8  9 4 2  1 6 3
+2 1 9  5 3 6  7 4 8
+4 6 3  8 1 7  9 5 2
+
+1 9 4  3 7 5  8 2 6
+5 8 6  4 2 1  3 7 9
+3 7 2  6 8 9  5 1 4
+
+9 2 5  1 6 8  4 3 7
+8 3 7  2 5 4  6 9 1
+6 4 1  7 9 3  2 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,3,2,null,null,7,null,8,null,null,null,0,null,null,3,2,null,null,null,null,null,8,null,null,null,null,3,null,8,null,6,null,null,0,4,null,null,null,null,null,null,8,null,7,1,null,null,null,3,null,null,null,null,null,null,4,3,null,7,null,null,null,null,6,null,null,null,null,null,null,null,null,null,7,null,5,null,1],"solution":[6,1,5,8,3,2,4,0,7,7,8,4,5,6,0,1,2,3,2,3,0,7,1,4,8,6,5,5,2,3,1,8,7,6,4,0,0,4,6,3,2,5,7,1,8,8,7,1,4,0,6,3,5,2,1,5,8,2,4,3,0,7,6,3,0,7,6,5,1,2,8,4,4,6,2,0,7,8,5,3,1]}
+PUZZLE:
+_ _ _  _ 4 3  _ _ 8
+_ 9 _  _ _ 1  _ _ 4
+3 _ _  _ _ _  9 _ _
+
+_ _ 4  _ 9 _  7 _ _
+1 5 _  _ _ _  _ _ 9
+_ 8 2  _ _ _  4 _ _
+
+_ _ _  _ 5 4  _ 8 _
+_ _ _  7 _ _  _ _ _
+_ _ _  _ 8 _  6 _ 2
+
+SOLUTION:
+7 2 6  9 4 3  5 1 8
+8 9 5  6 7 1  2 3 4
+3 4 1  8 2 5  9 7 6
+
+6 3 4  2 9 8  7 5 1
+1 5 7  4 3 6  8 2 9
+9 8 2  5 1 7  4 6 3
+
+2 6 9  3 5 4  1 8 7
+4 1 8  7 6 2  3 9 5
+5 7 3  1 8 9  6 4 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,7,null,0,8,null,null,null,null,2,4,1,null,null,null,null,null,null,6,null,null,null,null,null,5,4,null,7,null,null,7,null,null,null,0,6,null,null,null,null,5,null,7,null,null,8,null,6,5,7,null,4,6,null,1,8,2,null,null,null,null,5,null,null,null,null,4,null,null,2,null,8,0,null,null],"solution":[1,6,5,0,2,4,3,7,8,0,8,7,6,3,5,2,4,1,3,4,2,1,8,7,6,5,0,6,0,8,5,4,2,7,1,3,7,3,1,8,0,6,5,2,4,2,5,4,7,1,3,8,0,6,5,7,3,4,6,0,1,8,2,8,2,0,3,5,1,4,6,7,4,1,6,2,7,8,0,3,5]}
+PUZZLE:
+_ _ _  _ _ _  _ 8 _
+1 9 _  _ _ _  3 5 2
+_ _ _  _ _ _  7 _ _
+
+_ _ _  6 5 _  8 _ _
+8 _ _  _ 1 7  _ _ _
+_ 6 _  8 _ _  9 _ 7
+
+6 8 _  5 7 _  2 9 3
+_ _ _  _ 6 _  _ _ _
+5 _ _  3 _ 9  1 _ _
+
+SOLUTION:
+2 7 6  1 3 5  4 8 9
+1 9 8  7 4 6  3 5 2
+4 5 3  2 9 8  7 6 1
+
+7 1 9  6 5 3  8 2 4
+8 4 2  9 1 7  6 3 5
+3 6 5  8 2 4  9 1 7
+
+6 8 4  5 7 1  2 9 3
+9 3 1  4 6 2  5 7 8
+5 2 7  3 8 9  1 4 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,1,null,null,null,null,8,null,null,3,null,null,0,6,null,1,null,2,null,6,null,null,null,null,4,5,null,null,null,null,1,null,null,null,null,null,null,7,null,6,null,null,0,null,null,null,null,5,null,null,null,null,4,null,null,null,null,null,5,3,null,null,null,2,4,null,null,null,null,null,7,null,null,null,0,8,null,null,null,null],"solution":[7,0,1,4,5,2,6,8,3,4,3,5,8,0,6,7,1,2,2,8,6,1,7,3,0,4,5,8,4,2,7,1,0,5,3,6,5,1,7,3,6,4,2,0,8,3,6,0,5,2,8,1,7,4,1,7,8,2,4,5,3,6,0,0,2,4,6,3,1,8,5,7,6,5,3,0,8,7,4,2,1]}
+PUZZLE:
+_ _ 2  _ _ _  _ 9 _
+_ 4 _  _ 1 7  _ 2 _
+3 _ 7  _ _ _  _ 5 6
+
+_ _ _  _ 2 _  _ _ _
+_ _ 8  _ 7 _  _ 1 _
+_ _ _  6 _ _  _ _ 5
+
+_ _ _  _ _ 6  4 _ _
+_ 3 5  _ _ _  _ _ 8
+_ _ _  1 9 _  _ _ _
+
+SOLUTION:
+8 1 2  5 6 3  7 9 4
+5 4 6  9 1 7  8 2 3
+3 9 7  2 8 4  1 5 6
+
+9 5 3  8 2 1  6 4 7
+6 2 8  4 7 5  3 1 9
+4 7 1  6 3 9  2 8 5
+
+2 8 9  3 5 6  4 7 1
+1 3 5  7 4 2  9 6 8
+7 6 4  1 9 8  5 3 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,0,null,null,null,7,null,7,6,null,null,null,8,null,null,null,0,null,null,null,null,null,null,null,3,3,null,null,null,0,null,1,null,null,null,null,null,4,null,null,null,null,null,null,5,null,8,null,null,4,null,null,null,null,3,5,null,null,null,null,null,null,null,null,null,4,0,8,6,null,2,0,8,7,null,6,null,null,null],"solution":[4,3,1,0,6,5,2,7,8,7,6,5,2,3,8,0,4,1,0,8,2,1,7,4,6,5,3,3,2,4,6,0,7,1,8,5,8,7,0,4,5,1,3,2,6,1,5,6,8,2,3,4,0,7,6,4,3,5,8,2,7,1,0,5,1,7,3,4,0,8,6,2,2,0,8,7,1,6,5,3,4]}
+PUZZLE:
+_ _ _  1 _ _  _ 8 _
+8 7 _  _ _ 9  _ _ _
+1 _ _  _ _ _  _ _ 4
+
+4 _ _  _ 1 _  2 _ _
+_ _ _  5 _ _  _ _ _
+_ 6 _  9 _ _  5 _ _
+
+_ _ 4  6 _ _  _ _ _
+_ _ _  _ 5 1  9 7 _
+3 1 9  8 _ 7  _ _ _
+
+SOLUTION:
+5 4 2  1 7 6  3 8 9
+8 7 6  3 4 9  1 5 2
+1 9 3  2 8 5  7 6 4
+
+4 3 5  7 1 8  2 9 6
+9 8 1  5 6 2  4 3 7
+2 6 7  9 3 4  5 1 8
+
+7 5 4  6 9 3  8 2 1
+6 2 8  4 5 1  9 7 3
+3 1 9  8 2 7  6 4 5
+
+RATING: 0
+DATA:
+{"puzzle":[6,null,null,4,null,null,2,null,null,5,null,0,8,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,0,null,null,null,null,7,null,null,null,7,null,null,null,null,3,null,4,null,4,null,2,null,null,null,5,null,null,null,null,null,null,5,1,null,null,null,null,2,1,7,3,5,null,null,null,null,null,null,null,null,null,6,null],"solution":[6,1,7,4,5,0,2,3,8,5,2,0,8,3,1,6,4,7,8,3,4,7,6,2,0,1,5,1,0,5,3,8,4,7,2,6,2,7,8,5,1,6,3,0,4,3,4,6,2,0,7,8,5,1,0,8,3,6,4,5,1,7,2,4,6,2,1,7,3,5,8,0,7,5,1,0,2,8,4,6,3]}
+PUZZLE:
+7 _ _  5 _ _  3 _ _
+6 _ 1  9 _ _  _ _ _
+_ 4 _  _ _ _  _ _ _
+
+_ 1 _  _ _ _  8 _ _
+_ 8 _  _ _ _  4 _ 5
+_ 5 _  3 _ _  _ 6 _
+
+_ _ _  _ _ 6  2 _ _
+_ _ 3  2 8 4  6 _ _
+_ _ _  _ _ _  _ 7 _
+
+SOLUTION:
+7 2 8  5 6 1  3 4 9
+6 3 1  9 4 2  7 5 8
+9 4 5  8 7 3  1 2 6
+
+2 1 6  4 9 5  8 3 7
+3 8 9  6 2 7  4 1 5
+4 5 7  3 1 8  9 6 2
+
+1 9 4  7 5 6  2 8 3
+5 7 3  2 8 4  6 9 1
+8 6 2  1 3 9  5 7 4
+
+RATING: 1.25
+DATA:
+{"puzzle":[7,6,null,null,null,null,null,null,null,null,null,2,null,null,null,1,8,null,3,8,null,null,7,null,null,null,null,8,0,null,null,null,5,null,2,null,null,null,null,null,null,null,null,3,null,null,7,null,null,null,1,null,null,6,null,null,null,7,null,6,null,null,2,null,null,null,8,3,2,4,null,null,null,null,null,null,null,null,null,0,null],"solution":[7,6,1,2,4,8,0,5,3,0,4,2,6,5,3,1,8,7,3,8,5,1,7,0,2,6,4,8,0,4,3,6,5,7,2,1,1,2,6,4,8,7,5,3,0,5,7,3,0,2,1,8,4,6,4,5,8,7,0,6,3,1,2,6,1,0,8,3,2,4,7,5,2,3,7,5,1,4,6,0,8]}
+PUZZLE:
+8 7 _  _ _ _  _ _ _
+_ _ 3  _ _ _  2 9 _
+4 9 _  _ 8 _  _ _ _
+
+9 1 _  _ _ 6  _ 3 _
+_ _ _  _ _ _  _ 4 _
+_ 8 _  _ _ 2  _ _ 7
+
+_ _ _  8 _ 7  _ _ 3
+_ _ _  9 4 3  5 _ _
+_ _ _  _ _ _  _ 1 _
+
+SOLUTION:
+8 7 2  3 5 9  1 6 4
+1 5 3  7 6 4  2 9 8
+4 9 6  2 8 1  3 7 5
+
+9 1 5  4 7 6  8 3 2
+2 3 7  5 9 8  6 4 1
+6 8 4  1 3 2  9 5 7
+
+5 6 9  8 1 7  4 2 3
+7 2 1  9 4 3  5 8 6
+3 4 8  6 2 5  7 1 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,1,null,5,null,null,null,4,null,null,null,3,null,0,2,null,null,null,null,null,null,null,4,3,4,5,2,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,0,null,1,null,7,2,null,8,null,5,2,7,3,null,null,6,null,null,null,null,3,null,null,null,null,null,8,null,0,null,null,null,null,null,null,null],"solution":[2,3,0,4,1,8,5,6,7,1,4,5,7,6,3,8,0,2,7,8,6,2,0,5,1,4,3,4,5,2,8,3,6,0,7,1,3,7,8,1,4,0,2,5,6,0,6,1,5,7,2,3,8,4,5,2,7,3,8,4,6,1,0,6,1,3,0,5,7,4,2,8,8,0,4,6,2,1,7,3,5]}
+PUZZLE:
+_ _ _  _ 2 _  6 _ _
+_ 5 _  _ _ 4  _ 1 3
+_ _ _  _ _ _  _ 5 4
+
+5 6 3  _ _ _  _ _ _
+_ _ _  _ _ _  _ _ 7
+1 _ 2  _ 8 3  _ 9 _
+
+6 3 8  4 _ _  7 _ _
+_ _ 4  _ _ _  _ _ 9
+_ 1 _  _ _ _  _ _ _
+
+SOLUTION:
+3 4 1  5 2 9  6 7 8
+2 5 6  8 7 4  9 1 3
+8 9 7  3 1 6  2 5 4
+
+5 6 3  9 4 7  1 8 2
+4 8 9  2 5 1  3 6 7
+1 7 2  6 8 3  4 9 5
+
+6 3 8  4 9 5  7 2 1
+7 2 4  1 6 8  5 3 9
+9 1 5  7 3 2  8 4 6
+
+RATING: 1
+DATA:
+{"puzzle":[2,null,6,null,null,null,null,null,4,5,null,null,null,null,6,null,3,2,null,7,null,null,8,null,null,null,null,null,null,null,null,4,null,0,null,3,null,null,null,null,null,null,null,8,null,1,3,null,null,null,8,6,null,null,6,null,2,4,0,null,null,null,null,null,null,null,null,null,null,7,null,1,null,null,null,null,null,5,null,null,null],"solution":[2,8,6,5,3,0,1,7,4,5,4,0,1,7,6,8,3,2,3,7,1,2,8,4,5,6,0,8,6,5,7,4,2,0,1,3,0,2,7,3,6,1,4,8,5,1,3,4,0,5,8,6,2,7,6,1,2,4,0,7,3,5,8,4,5,8,6,2,3,7,0,1,7,0,3,8,1,5,2,4,6]}
+PUZZLE:
+3 _ 7  _ _ _  _ _ 5
+6 _ _  _ _ 7  _ 4 3
+_ 8 _  _ 9 _  _ _ _
+
+_ _ _  _ 5 _  1 _ 4
+_ _ _  _ _ _  _ 9 _
+2 4 _  _ _ 9  7 _ _
+
+7 _ 3  5 1 _  _ _ _
+_ _ _  _ _ _  8 _ 2
+_ _ _  _ _ 6  _ _ _
+
+SOLUTION:
+3 9 7  6 4 1  2 8 5
+6 5 1  2 8 7  9 4 3
+4 8 2  3 9 5  6 7 1
+
+9 7 6  8 5 3  1 2 4
+1 3 8  4 7 2  5 9 6
+2 4 5  1 6 9  7 3 8
+
+7 2 3  5 1 8  4 6 9
+5 6 9  7 3 4  8 1 2
+8 1 4  9 2 6  3 5 7
 
 RATING: 2.25
 DATA:
-{"puzzle":[null,null,null,null,null,7,4,null,6,7,2,null,0,null,null,null,null,null,5,null,null,null,null,1,null,7,null,null,null,null,null,2,null,null,null,null,2,null,null,4,1,6,5,null,null,null,7,null,null,0,null,null,null,1,6,null,3,null,null,null,1,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,8,null,3,null],"solution":[3,0,8,2,5,7,4,1,6,7,2,1,0,6,4,8,5,3,5,6,4,3,8,1,2,7,0,1,8,5,7,2,3,0,6,4,2,3,0,4,1,6,5,8,7,4,7,6,8,0,5,3,2,1,6,4,3,5,7,2,1,0,8,8,5,7,1,3,0,6,4,2,0,1,2,6,4,8,7,3,5]}
+{"puzzle":[null,null,null,null,null,8,4,7,null,null,3,5,null,null,null,null,null,null,null,null,7,6,null,null,null,1,0,null,null,6,8,null,null,null,null,null,5,null,null,null,4,null,7,null,null,null,null,null,null,2,5,null,null,null,null,null,null,null,null,null,null,6,null,1,null,null,2,3,null,null,null,null,null,4,null,null,null,0,null,null,1],"solution":[6,2,1,3,0,8,4,7,5,0,3,5,7,1,4,8,2,6,4,8,7,6,5,2,3,1,0,2,0,6,8,7,3,1,5,4,5,1,3,0,4,6,7,8,2,8,7,4,1,2,5,6,0,3,3,5,2,4,8,1,0,6,7,1,6,0,2,3,7,5,4,8,7,4,8,5,6,0,2,3,1]}
 PUZZLE:
-_ _ _  _ _ 8  5 _ 7
-8 3 _  1 _ _  _ _ _
-6 _ _  _ _ 2  _ 8 _
+_ _ _  _ _ 9  5 8 _
+_ 4 6  _ _ _  _ _ _
+_ _ 8  7 _ _  _ 2 1
 
-_ _ _  _ 3 _  _ _ _
-3 _ _  5 2 7  6 _ _
-_ 8 _  _ 1 _  _ _ 2
+_ _ 7  9 _ _  _ _ _
+6 _ _  _ 5 _  8 _ _
+_ _ _  _ 3 6  _ _ _
 
-7 _ 4  _ _ _  2 _ _
-_ _ _  _ _ _  _ _ 3
-_ _ _  _ _ 9  _ 4 _
+_ _ _  _ _ _  _ 7 _
+2 _ _  3 4 _  _ _ _
+_ 5 _  _ _ 1  _ _ 2
 
 SOLUTION:
-4 1 9  3 6 8  5 2 7
-8 3 2  1 7 5  9 6 4
-6 7 5  4 9 2  3 8 1
+7 3 2  4 1 9  5 8 6
+1 4 6  8 2 5  9 3 7
+5 9 8  7 6 3  4 2 1
 
-2 9 6  8 3 4  1 7 5
-3 4 1  5 2 7  6 9 8
-5 8 7  9 1 6  4 3 2
+3 1 7  9 8 4  2 6 5
+6 2 4  1 5 7  8 9 3
+9 8 5  2 3 6  7 1 4
 
-7 5 4  6 8 3  2 1 9
-9 6 8  2 4 1  7 5 3
-1 2 3  7 5 9  8 4 6
+4 6 3  5 9 2  1 7 8
+2 7 1  3 4 8  6 5 9
+8 5 9  6 7 1  3 4 2
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,5,8,null,6,null,null,null,null,0,null,null,1,null,null,null,null,null,null,null,2,null,7,0,null,null,6,null,null,1,null,4,7,null,null,null,null,null,null,6,null,null,null,4,8,null,2,null,null,null,null,0,null,null,2,4,null,null,null,3,null,7,null,8,null,null,null,null,4,null,6,0,1,null,null,null,8],"solution":[2,1,0,4,7,5,8,3,6,6,7,3,2,0,8,4,1,5,5,4,8,3,6,1,2,0,7,0,3,2,6,5,7,1,8,4,7,8,5,1,4,0,3,6,2,1,6,4,8,3,2,5,7,0,8,0,1,7,2,4,6,5,3,3,2,7,5,8,6,0,4,1,4,5,6,0,1,3,7,2,8]}
+PUZZLE:
+_ _ _  _ _ 6  9 _ 7
+_ _ _  _ 1 _  _ 2 _
+_ _ _  _ _ _  3 _ 8
+
+1 _ _  7 _ _  2 _ 5
+8 _ _  _ _ _  _ 7 _
+_ _ 5  9 _ 3  _ _ _
+
+_ 1 _  _ 3 5  _ _ _
+4 _ 8  _ 9 _  _ _ _
+5 _ 7  1 2 _  _ _ 9
+
+SOLUTION:
+3 2 1  5 8 6  9 4 7
+7 8 4  3 1 9  5 2 6
+6 5 9  4 7 2  3 1 8
+
+1 4 3  7 6 8  2 9 5
+8 9 6  2 5 1  4 7 3
+2 7 5  9 4 3  6 8 1
+
+9 1 2  8 3 5  7 6 4
+4 3 8  6 9 7  1 5 2
+5 6 7  1 2 4  8 3 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,2,7,null,4,null,5,null,6,null,null,3,8,null,null,null,null,null,8,null,5,null,null,null,1,null,null,null,null,null,7,3,null,2,null,null,0,6,null,null,null,6,8,null,null,1,null,null,null,8,null,0,3,null,5,null,null,null,null,null,null,null,8,null,null,null,0,null,3,null,2,null,null,null,null,null],"solution":[1,8,6,0,5,3,2,7,4,4,0,5,7,6,2,1,3,8,2,7,3,4,1,8,0,5,6,0,5,1,6,3,4,8,2,7,3,4,2,8,7,0,6,1,5,7,6,8,5,2,1,4,0,3,8,1,0,3,4,5,7,6,2,5,2,7,1,8,6,3,4,0,6,3,4,2,0,7,5,8,1]}
+PUZZLE:
+_ _ _  _ _ _  3 8 _
+5 _ 6  _ 7 _  _ 4 9
+_ _ _  _ _ 9  _ 6 _
+
+_ _ 2  _ _ _  _ _ 8
+4 _ 3  _ _ 1  7 _ _
+_ 7 9  _ _ 2  _ _ _
+
+9 _ 1  4 _ 6  _ _ _
+_ _ _  _ 9 _  _ _ 1
+_ 4 _  3 _ _  _ _ _
+
+SOLUTION:
+2 9 7  1 6 4  3 8 5
+5 1 6  8 7 3  2 4 9
+3 8 4  5 2 9  1 6 7
+
+1 6 2  7 4 5  9 3 8
+4 5 3  9 8 1  7 2 6
+8 7 9  6 3 2  5 1 4
+
+9 2 1  4 5 6  8 7 3
+6 3 8  2 9 7  4 5 1
+7 4 5  3 1 8  6 9 2
+
+RATING: 3.75
+DATA:
+{"puzzle":[5,null,4,null,null,null,null,null,null,null,null,8,null,1,null,null,3,7,null,null,null,null,null,null,4,null,null,null,null,null,2,null,7,6,8,null,null,7,null,null,4,null,null,null,null,null,null,1,6,null,null,null,null,null,2,null,null,null,null,null,null,null,4,null,null,5,null,0,8,null,null,null,null,null,null,null,5,null,8,null,null],"solution":[5,3,4,7,2,0,1,6,8,6,0,8,5,1,4,2,3,7,7,1,2,8,6,3,4,0,5,4,5,0,2,3,7,6,8,1,8,7,6,0,4,1,5,2,3,3,2,1,6,8,5,7,4,0,2,8,3,1,7,6,0,5,4,1,6,5,4,0,8,3,7,2,0,4,7,3,5,2,8,1,6]}
+PUZZLE:
+6 _ 5  _ _ _  _ _ _
+_ _ 9  _ 2 _  _ 4 8
+_ _ _  _ _ _  5 _ _
+
+_ _ _  3 _ 8  7 9 _
+_ 8 _  _ 5 _  _ _ _
+_ _ 2  7 _ _  _ _ _
+
+3 _ _  _ _ _  _ _ 5
+_ _ 6  _ 1 9  _ _ _
+_ _ _  _ 6 _  9 _ _
+
+SOLUTION:
+6 4 5  8 3 1  2 7 9
+7 1 9  6 2 5  3 4 8
+8 2 3  9 7 4  5 1 6
+
+5 6 1  3 4 8  7 9 2
+9 8 7  1 5 2  6 3 4
+4 3 2  7 9 6  8 5 1
+
+3 9 4  2 8 7  1 6 5
+2 7 6  5 1 9  4 8 3
+1 5 8  4 6 3  9 2 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,0,null,6,null,1,null,1,null,null,null,null,null,7,null,null,null,null,null,null,4,null,null,0,null,null,null,null,null,null,null,null,3,1,null,null,null,null,7,8,4,null,null,null,2,null,null,5,7,null,null,6,null,null,7,null,null,1,null,2,0,8,null,6,null,null,null,null,null,null,null,null,4,null,null,null,null,null],"solution":[4,7,5,8,0,2,6,3,1,2,1,0,5,3,6,4,7,8,3,6,8,1,7,4,5,2,0,7,5,6,0,4,8,2,1,3,1,0,3,2,6,7,8,4,5,8,4,2,3,1,5,7,0,6,6,3,4,7,5,0,1,8,2,0,8,7,6,2,1,3,5,4,5,2,1,4,8,3,0,6,7]}
+PUZZLE:
+_ _ _  9 1 _  7 _ 2
+_ 2 _  _ _ _  _ 8 _
+_ _ _  _ _ 5  _ _ 1
+
+_ _ _  _ _ _  _ _ 4
+2 _ _  _ _ 8  9 5 _
+_ _ 3  _ _ 6  8 _ _
+
+7 _ _  8 _ _  2 _ 3
+1 9 _  7 _ _  _ _ _
+_ _ _  5 _ _  _ _ _
+
+SOLUTION:
+5 8 6  9 1 3  7 4 2
+3 2 1  6 4 7  5 8 9
+4 7 9  2 8 5  6 3 1
+
+8 6 7  1 5 9  3 2 4
+2 1 4  3 7 8  9 5 6
+9 5 3  4 2 6  8 1 7
+
+7 4 5  8 6 1  2 9 3
+1 9 8  7 3 2  4 6 5
+6 3 2  5 9 4  1 7 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,3,null,null,5,null,null,8,7,null,2,null,4,8,null,null,null,null,0,null,null,1,0,null,null,null,null,null,null,null,null,1,null,null,null,null,2,null,5,8,null,null,null,0,null,null,null,3,null,2,null,6,null,null,null,null,null,null,7,null,1,null,null,4,5,null,null,null,null,8,null,null,null,null,4,null],"solution":[6,7,0,4,2,1,3,8,5,5,1,3,8,7,6,2,0,4,8,2,4,5,3,0,7,6,1,0,3,5,7,6,8,4,1,2,1,6,7,3,4,2,0,5,8,4,8,2,0,1,5,6,3,7,2,4,6,1,5,3,8,7,0,7,0,1,6,8,4,5,2,3,3,5,8,2,0,7,1,4,6]}
+PUZZLE:
+_ _ _  _ _ _  4 _ _
+6 _ _  9 8 _  3 _ 5
+9 _ _  _ _ 1  _ _ 2
+
+1 _ _  _ _ _  _ _ _
+2 _ _  _ _ 3  _ 6 9
+_ _ _  1 _ _  _ 4 _
+
+3 _ 7  _ _ _  _ _ _
+8 _ 2  _ _ 5  6 _ _
+_ _ 9  _ _ _  _ 5 _
+
+SOLUTION:
+7 8 1  5 3 2  4 9 6
+6 2 4  9 8 7  3 1 5
+9 3 5  6 4 1  8 7 2
+
+1 4 6  8 7 9  5 2 3
+2 7 8  4 5 3  1 6 9
+5 9 3  1 2 6  7 4 8
+
+3 5 7  2 6 4  9 8 1
+8 1 2  7 9 5  6 3 4
+4 6 9  3 1 8  2 5 7
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,8,7,null,null,null,null,3,null,null,null,null,3,2,null,null,5,null,null,null,null,null,null,4,null,null,8,3,null,null,null,4,1,null,null,null,null,4,1,8,null,null,null,null,null,6,null,null,null,null,null,null,null,2,0,null,null,null,null,null,null,null,5,null,2,3,null,null,null,null,null,1,null,7,4,null,0,6,null,null,null],"solution":[4,8,7,5,1,0,2,3,6,1,6,0,3,2,8,7,5,4,2,3,5,7,6,4,0,1,8,3,0,2,6,4,1,5,8,7,7,4,1,8,5,2,3,6,0,6,5,8,0,3,7,1,4,2,0,1,6,2,8,3,4,7,5,8,2,3,4,7,5,6,0,1,5,7,4,1,0,6,8,2,3]}
+PUZZLE:
+_ 9 8  _ _ _  _ 4 _
+_ _ _  4 3 _  _ 6 _
+_ _ _  _ _ 5  _ _ 9
+
+4 _ _  _ 5 2  _ _ _
+_ 5 2  9 _ _  _ _ _
+7 _ _  _ _ _  _ _ 3
+
+1 _ _  _ _ _  _ _ 6
+_ 3 4  _ _ _  _ _ 2
+_ 8 5  _ 1 7  _ _ _
+
+SOLUTION:
+5 9 8  6 2 1  3 4 7
+2 7 1  4 3 9  8 6 5
+3 4 6  8 7 5  1 2 9
+
+4 1 3  7 5 2  6 9 8
+8 5 2  9 6 3  4 7 1
+7 6 9  1 4 8  2 5 3
+
+1 2 7  3 9 4  5 8 6
+9 3 4  5 8 6  7 1 2
+6 8 5  2 1 7  9 3 4
 
 RATING: 2
 DATA:
-{"puzzle":[null,null,null,null,null,8,0,7,2,1,null,null,null,5,2,null,null,null,null,null,null,null,4,null,null,6,null,3,2,null,null,null,null,null,null,0,null,null,null,null,6,null,3,null,null,null,null,null,null,null,4,null,5,null,null,8,null,null,null,null,4,0,null,null,null,2,null,null,1,null,null,null,null,null,4,null,null,7,6,null,null],"solution":[5,4,3,6,1,8,0,7,2,1,6,7,0,5,2,8,3,4,2,0,8,7,4,3,1,6,5,3,2,6,1,8,5,7,4,0,4,7,5,2,6,0,3,1,8,8,1,0,3,7,4,2,5,6,7,8,1,5,2,6,4,0,3,6,3,2,4,0,1,5,8,7,0,5,4,8,3,7,6,2,1]}
+{"puzzle":[null,8,null,1,3,4,7,null,null,null,null,null,null,null,8,null,null,null,5,null,null,null,0,null,null,3,null,null,null,null,0,null,null,2,null,null,8,null,0,2,null,null,3,null,4,2,3,null,null,null,null,null,null,5,null,null,null,null,6,null,null,4,null,null,null,null,null,null,5,null,2,null,0,null,null,8,null,null,null,1,null],"solution":[6,8,2,1,3,4,7,5,0,7,0,3,5,2,8,4,6,1,5,1,4,6,0,7,8,3,2,4,5,1,0,7,3,2,8,6,8,6,0,2,5,1,3,7,4,2,3,7,4,8,6,1,0,5,1,2,8,3,6,0,5,4,7,3,4,6,7,1,5,0,2,8,0,7,5,8,4,2,6,1,3]}
 PUZZLE:
-_ _ _  _ _ 9  1 8 3
-2 _ _  _ 6 3  _ _ _
-_ _ _  _ 5 _  _ 7 _
+_ 9 _  2 4 5  8 _ _
+_ _ _  _ _ 9  _ _ _
+6 _ _  _ 1 _  _ 4 _
 
-4 3 _  _ _ _  _ _ 1
-_ _ _  _ 7 _  4 _ _
-_ _ _  _ _ 5  _ 6 _
+_ _ _  1 _ _  3 _ _
+9 _ 1  3 _ _  4 _ 5
+3 4 _  _ _ _  _ _ 6
 
-_ 9 _  _ _ _  5 1 _
-_ _ 3  _ _ 2  _ _ _
-_ _ 5  _ _ 8  7 _ _
+_ _ _  _ 7 _  _ 5 _
+_ _ _  _ _ 6  _ 3 _
+1 _ _  9 _ _  _ 2 _
 
 SOLUTION:
-6 5 4  7 2 9  1 8 3
-2 7 8  1 6 3  9 4 5
-3 1 9  8 5 4  2 7 6
+7 9 3  2 4 5  8 6 1
+8 1 4  6 3 9  5 7 2
+6 2 5  7 1 8  9 4 3
 
-4 3 7  2 9 6  8 5 1
-5 8 6  3 7 1  4 2 9
-9 2 1  4 8 5  3 6 7
+5 6 2  1 8 4  3 9 7
+9 7 1  3 6 2  4 8 5
+3 4 8  5 9 7  2 1 6
 
-8 9 2  6 3 7  5 1 4
-7 4 3  5 1 2  6 9 8
-1 6 5  9 4 8  7 3 2
+2 3 9  4 7 1  6 5 8
+4 5 7  8 2 6  1 3 9
+1 8 6  9 5 3  7 2 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,4,0,null,3,null,5,null,null,5,null,6,4,null,null,null,null,null,null,3,null,null,null,8,null,null,null,null,null,null,null,null,3,4,2,null,null,null,null,null,null,null,0,null,6,null,null,null,3,null,null,null,null,null,null,7,4,null,2,0,1,null,null,0,8,null,null,7,null,null,null,null,null,null,1,null,null,null,null,null],"solution":[8,6,4,0,7,3,2,5,1,2,5,1,6,4,8,7,3,0,0,7,3,5,2,1,8,6,4,7,1,5,8,0,6,3,4,2,3,8,2,7,1,4,6,0,5,6,4,0,2,3,5,1,8,7,5,3,7,4,6,2,0,1,8,1,0,8,3,5,7,4,2,6,4,2,6,1,8,0,5,7,3]}
+PUZZLE:
+_ _ 5  1 _ 4  _ 6 _
+_ 6 _  7 5 _  _ _ _
+_ _ 4  _ _ _  9 _ _
+
+_ _ _  _ _ _  4 5 3
+_ _ _  _ _ _  _ 1 _
+7 _ _  _ 4 _  _ _ _
+
+_ _ 8  5 _ 3  1 2 _
+_ 1 9  _ _ 8  _ _ _
+_ _ _  2 _ _  _ _ _
+
+SOLUTION:
+9 7 5  1 8 4  3 6 2
+3 6 2  7 5 9  8 4 1
+1 8 4  6 3 2  9 7 5
+
+8 2 6  9 1 7  4 5 3
+4 9 3  8 2 5  7 1 6
+7 5 1  3 4 6  2 9 8
+
+6 4 8  5 7 3  1 2 9
+2 1 9  4 6 8  5 3 7
+5 3 7  2 9 1  6 8 4
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,4,2,7,null,1,null,null,5,6,null,null,null,null,null,null,null,null,null,null,null,null,5,null,null,0,null,null,3,null,null,null,2,4,8,null,null,null,null,1,0,null,3,6,null,null,null,null,null,null,null,1,null,null,null,null,null,3,2,5,null,null,null,4,7,null,null,null,null,null,null,null,null,0,null,null,null,6,null,null,null],"solution":[0,4,2,7,8,1,6,3,5,6,5,8,2,3,0,7,4,1,3,1,7,6,5,4,2,0,8,1,3,0,5,6,2,4,8,7,5,8,4,1,0,7,3,6,2,7,2,6,8,4,3,1,5,0,8,6,1,3,2,5,0,7,4,4,7,3,0,1,8,5,2,6,2,0,5,4,7,6,8,1,3]}
+PUZZLE:
+_ 5 3  8 _ 2  _ _ 6
+7 _ _  _ _ _  _ _ _
+_ _ _  _ 6 _  _ 1 _
+
+_ 4 _  _ _ 3  5 9 _
+_ _ _  2 1 _  4 7 _
+_ _ _  _ _ _  2 _ _
+
+_ _ _  4 3 6  _ _ _
+5 8 _  _ _ _  _ _ _
+_ 1 _  _ _ 7  _ _ _
+
+SOLUTION:
+1 5 3  8 9 2  7 4 6
+7 6 9  3 4 1  8 5 2
+4 2 8  7 6 5  3 1 9
+
+2 4 1  6 7 3  5 9 8
+6 9 5  2 1 8  4 7 3
+8 3 7  9 5 4  2 6 1
+
+9 7 2  4 3 6  1 8 5
+5 8 4  1 2 9  6 3 7
+3 1 6  5 8 7  9 2 4
 
 RATING: 0
 DATA:
-{"puzzle":[null,8,0,3,null,null,null,null,2,null,4,null,5,null,null,7,8,null,null,null,null,7,4,null,null,null,null,6,3,null,null,null,null,null,0,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,1,null,null,5,null,null,null,null,null,null,3,null,2,0,null,null,6,null,5,7,null,null,null,null,null,7,null,null,6,null],"solution":[7,8,0,3,1,6,4,5,2,1,4,6,5,0,2,7,8,3,3,2,5,7,4,8,6,1,0,6,3,4,2,5,1,8,0,7,0,5,1,4,8,7,3,2,6,8,7,2,6,3,0,1,4,5,5,6,7,8,2,4,0,3,1,2,0,8,1,6,3,5,7,4,4,1,3,0,7,5,2,6,8]}
+{"puzzle":[8,null,5,null,3,4,null,null,null,null,7,4,8,1,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,5,null,0,null,null,null,1,null,6,null,null,null,null,null,null,null,null,null,null,3,4,null,null,null,null,null,4,7,5,null,6,null,5,null,null,null,null,null,null,null,1,8,null,null,null,null,null,7,null],"solution":[8,2,5,6,3,4,0,1,7,3,7,4,8,1,0,2,6,5,6,1,0,5,7,2,8,3,4,7,3,8,4,2,5,6,0,1,0,4,1,3,6,8,7,5,2,5,6,2,7,0,1,3,4,8,2,0,3,1,4,7,5,8,6,4,5,7,0,8,6,1,2,3,1,8,6,2,5,3,4,7,0]}
 PUZZLE:
-_ 9 1  4 _ _  _ _ 3
-_ 5 _  6 _ _  8 9 _
-_ _ _  8 5 _  _ _ _
+9 _ 6  _ 4 5  _ _ _
+_ 8 5  9 2 _  _ 7 _
+_ _ _  _ _ _  _ _ _
 
-7 4 _  _ _ _  _ 1 _
-_ _ _  5 _ _  _ _ _
-_ _ _  _ _ _  2 _ _
+_ _ _  5 _ 6  _ 1 _
+_ _ 2  _ 7 _  _ _ _
+_ _ _  _ _ _  4 5 _
 
-6 _ _  _ _ _  _ 4 _
-3 1 _  _ 7 _  6 8 _
+_ _ _  _ 5 8  6 _ 7
+_ 6 _  _ _ _  _ _ _
+2 9 _  _ _ _  _ 8 _
+
+SOLUTION:
+9 3 6  7 4 5  1 2 8
+4 8 5  9 2 1  3 7 6
+7 2 1  6 8 3  9 4 5
+
+8 4 9  5 3 6  7 1 2
+1 5 2  4 7 9  8 6 3
+6 7 3  8 1 2  4 5 9
+
+3 1 4  2 5 8  6 9 7
+5 6 8  1 9 7  2 3 4
+2 9 7  3 6 4  5 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,3,null,null,4,null,null,2,null,null,null,4,null,null,5,null,null,7,6,null,null,null,null,null,3,null,null,5,null,6,4,2,null,null,null,null,null,null,2,null,7,null,1,7,null,8,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,0,null,3,null,null,2,8,6,1,null,null,null,8,null,null,null],"solution":[8,5,1,3,7,0,4,6,2,2,0,3,1,4,6,8,5,7,4,7,6,5,8,2,0,1,3,1,3,5,7,6,4,2,8,0,0,6,4,8,2,5,7,3,1,7,2,8,0,1,3,6,4,5,3,8,2,4,0,1,5,7,6,5,4,0,6,3,7,1,2,8,6,1,7,2,5,8,3,0,4]}
+PUZZLE:
+_ _ _  4 _ _  5 _ _
+3 _ _  _ 5 _  _ 6 _
+_ 8 7  _ _ _  _ _ 4
+
+_ _ 6  _ 7 5  3 _ _
+_ _ _  _ 3 _  8 _ 2
+8 _ 9  _ _ _  _ _ 6
+
+_ _ _  _ _ _  _ _ _
+_ _ 1  _ 4 _  _ 3 9
+7 2 _  _ _ 9  _ _ _
+
+SOLUTION:
+9 6 2  4 8 1  5 7 3
+3 1 4  2 5 7  9 6 8
+5 8 7  6 9 3  1 2 4
+
+2 4 6  8 7 5  3 9 1
+1 7 5  9 3 6  8 4 2
+8 3 9  1 2 4  7 5 6
+
+4 9 3  5 1 2  6 8 7
+6 5 1  7 4 8  2 3 9
+7 2 8  3 6 9  4 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,null,5,null,null,null,null,null,null,null,null,null,null,6,8,null,7,2,null,null,null,null,0,null,null,null,6,null,5,7,null,null,null,4,8,null,null,3,null,null,null,null,null,null,5,null,4,null,5,null,null,8,null,7,null,null,3,null,2,null,null,null,null,null,null,6,0,8,null,null,6,null,null,null,null],"solution":[2,7,0,6,1,4,3,8,5,1,4,5,0,3,8,7,6,2,3,6,8,5,7,2,4,0,1,8,0,4,3,2,6,1,5,7,7,5,2,4,8,1,6,3,0,6,3,1,7,0,5,2,4,8,5,1,6,8,4,7,0,2,3,4,2,3,1,5,0,8,7,6,0,8,7,2,6,3,5,1,4]}
+PUZZLE:
+_ _ _  _ _ 5  _ _ 6
+_ _ _  _ _ _  _ _ _
+_ 7 9  _ 8 3  _ _ _
+
+_ 1 _  _ _ 7  _ 6 8
+_ _ _  5 9 _  _ 4 _
+_ _ _  _ _ 6  _ 5 _
+
+6 _ _  9 _ 8  _ _ 4
+_ 3 _  _ _ _  _ _ 7
+1 9 _  _ 7 _  _ _ _
+
+SOLUTION:
+3 8 1  7 2 5  4 9 6
+2 5 6  1 4 9  8 7 3
+4 7 9  6 8 3  5 1 2
+
+9 1 5  4 3 7  2 6 8
+8 6 3  5 9 2  7 4 1
+7 4 2  8 1 6  3 5 9
+
+6 2 7  9 5 8  1 3 4
+5 3 4  2 6 1  9 8 7
+1 9 8  3 7 4  6 2 5
+
+RATING: 1
+DATA:
+{"puzzle":[null,6,null,null,5,null,null,0,3,null,null,2,null,0,null,null,null,4,null,null,0,8,null,null,null,null,2,4,0,null,1,null,3,null,6,null,null,5,null,null,null,null,null,null,null,null,null,7,null,null,6,null,null,null,null,null,null,7,null,null,2,null,null,null,8,null,null,null,5,7,null,null,null,null,null,null,null,null,null,3,null],"solution":[7,6,1,4,5,2,8,0,3,8,3,2,6,0,7,1,5,4,5,4,0,8,3,1,6,7,2,4,0,8,1,2,3,5,6,7,1,5,6,0,7,4,3,2,8,3,2,7,5,8,6,0,4,1,6,1,3,7,4,0,2,8,5,2,8,4,3,6,5,7,1,0,0,7,5,2,1,8,4,3,6]}
+PUZZLE:
+_ 7 _  _ 6 _  _ 1 4
+_ _ 3  _ 1 _  _ _ 5
+_ _ 1  9 _ _  _ _ 3
+
+5 1 _  2 _ 4  _ 7 _
+_ 6 _  _ _ _  _ _ _
+_ _ 8  _ _ 7  _ _ _
+
+_ _ _  8 _ _  3 _ _
+_ 9 _  _ _ 6  8 _ _
+_ _ _  _ _ _  _ 4 _
+
+SOLUTION:
+8 7 2  5 6 3  9 1 4
+9 4 3  7 1 8  2 6 5
+6 5 1  9 4 2  7 8 3
+
+5 1 9  2 3 4  6 7 8
+2 6 7  1 8 5  4 3 9
+4 3 8  6 9 7  1 5 2
+
+7 2 4  8 5 1  3 9 6
+3 9 5  4 7 6  8 2 1
+1 8 6  3 2 9  5 4 7
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,0,null,null,4,null,null,null,1,5,null,2,null,null,null,null,null,null,1,null,null,3,null,null,6,null,null,2,null,null,null,5,null,3,6,null,4,null,null,null,null,6,null,2,null,null,null,null,null,null,null,null,null,8,null,8,null,4,null,null,null,null,null,0,null,null,null,null,7,null,1,null,null,null,null,1,6,null,5,null,null],"solution":[8,0,6,5,4,2,7,3,1,5,3,2,6,7,1,4,8,0,1,4,7,3,8,0,6,5,2,2,1,8,0,5,4,3,6,7,4,7,3,8,1,6,0,2,5,6,5,0,7,2,3,1,4,8,3,8,1,4,0,5,2,7,6,0,6,5,2,3,7,8,1,4,7,2,4,1,6,8,5,0,3]}
+PUZZLE:
+_ 1 _  _ 5 _  _ _ 2
+6 _ 3  _ _ _  _ _ _
+2 _ _  4 _ _  7 _ _
+
+3 _ _  _ 6 _  4 7 _
+5 _ _  _ _ 7  _ 3 _
+_ _ _  _ _ _  _ _ 9
+
+_ 9 _  5 _ _  _ _ _
+1 _ _  _ _ 8  _ 2 _
+_ _ _  2 7 _  6 _ _
+
+SOLUTION:
+9 1 7  6 5 3  8 4 2
+6 4 3  7 8 2  5 9 1
+2 5 8  4 9 1  7 6 3
+
+3 2 9  1 6 5  4 7 8
+5 8 4  9 2 7  1 3 6
+7 6 1  8 3 4  2 5 9
+
+4 9 2  5 1 6  3 8 7
+1 7 6  3 4 8  9 2 5
+8 3 5  2 7 9  6 1 4
+
+RATING: 2.5
+DATA:
+{"puzzle":[8,null,1,3,null,4,null,null,null,3,null,null,null,null,null,7,null,null,null,null,6,null,null,null,1,null,null,null,1,0,null,null,null,null,6,null,null,null,8,6,7,null,null,null,2,null,null,null,null,null,null,5,null,1,5,2,null,7,3,null,null,null,null,null,null,null,8,null,2,null,0,null,null,null,null,null,null,null,null,null,null],"solution":[8,7,1,3,5,4,6,2,0,3,0,5,2,1,6,7,8,4,2,4,6,0,8,7,1,5,3,7,1,0,5,2,3,4,6,8,4,5,8,6,7,1,0,3,2,6,3,2,4,0,8,5,7,1,5,2,4,7,3,0,8,1,6,1,6,7,8,4,2,3,0,5,0,8,3,1,6,5,2,4,7]}
+PUZZLE:
+9 _ 2  4 _ 5  _ _ _
+4 _ _  _ _ _  8 _ _
+_ _ 7  _ _ _  2 _ _
+
+_ 2 1  _ _ _  _ 7 _
+_ _ 9  7 8 _  _ _ 3
+_ _ _  _ _ _  6 _ 2
+
+6 3 _  8 4 _  _ _ _
+_ _ _  9 _ 3  _ 1 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+9 8 2  4 6 5  7 3 1
+4 1 6  3 2 7  8 9 5
+3 5 7  1 9 8  2 6 4
+
+8 2 1  6 3 4  5 7 9
+5 6 9  7 8 2  1 4 3
+7 4 3  5 1 9  6 8 2
+
+6 3 5  8 4 1  9 2 7
+2 7 8  9 5 3  4 1 6
+1 9 4  2 7 6  3 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,4,null,null,null,null,1,null,null,null,7,null,4,null,2,null,null,0,null,null,6,3,null,null,4,null,null,null,null,null,2,5,4,null,null,1,null,0,null,null,null,null,null,null,null,null,null,null,null,4,8,null,null,null,null,3,null,null,null,null,2,null,null,8,null,0,null,null,null,null,null,null,null,null,null,7,null,null,6,null],"solution":[5,3,4,7,8,2,6,1,0,6,1,7,5,4,0,2,8,3,0,2,8,6,3,1,5,4,7,8,7,6,3,2,5,4,0,1,1,4,0,8,6,7,3,5,2,3,5,2,1,0,4,8,7,6,7,6,3,4,1,8,0,2,5,2,8,1,0,5,6,7,3,4,4,0,5,2,7,3,1,6,8]}
+PUZZLE:
+_ 4 5  _ _ _  _ 2 _
+_ _ 8  _ 5 _  3 _ _
+1 _ _  7 4 _  _ 5 _
+
+_ _ _  _ 3 6  5 _ _
+2 _ 1  _ _ _  _ _ _
+_ _ _  _ _ 5  9 _ _
+
+_ _ 4  _ _ _  _ 3 _
+_ 9 _  1 _ _  _ _ _
 _ _ _  _ 8 _  _ 7 _
 
 SOLUTION:
-8 9 1  4 2 7  5 6 3
-2 5 7  6 1 3  8 9 4
-4 3 6  8 5 9  7 2 1
+6 4 5  8 9 3  7 2 1
+7 2 8  6 5 1  3 9 4
+1 3 9  7 4 2  6 5 8
 
-7 4 5  3 6 2  9 1 8
-1 6 2  5 9 8  4 3 7
-9 8 3  7 4 1  2 5 6
+9 8 7  4 3 6  5 1 2
+2 5 1  9 7 8  4 6 3
+4 6 3  2 1 5  9 8 7
 
-6 7 8  9 3 5  1 4 2
-3 1 9  2 7 4  6 8 5
-5 2 4  1 8 6  3 7 9
+8 7 4  5 2 9  1 3 6
+3 9 2  1 6 7  8 4 5
+5 1 6  3 8 4  2 7 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[4,null,null,null,null,null,1,3,null,8,6,null,null,null,null,null,null,0,2,null,3,null,null,null,8,null,null,3,2,null,null,null,null,null,null,null,null,4,null,1,null,null,6,null,8,null,null,7,8,null,null,null,null,5,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,7,null,null,null,null,null,0,null,7,null,1,4],"solution":[4,7,0,5,6,8,1,3,2,8,6,1,3,7,2,5,4,0,2,5,3,4,0,1,8,6,7,3,2,8,7,5,6,4,0,1,0,4,5,1,2,3,6,7,8,6,1,7,8,4,0,3,2,5,7,3,4,2,1,5,0,8,6,1,0,2,6,8,4,7,5,3,5,8,6,0,3,7,2,1,4]}
+PUZZLE:
+5 _ _  _ _ _  2 4 _
+9 7 _  _ _ _  _ _ 1
+3 _ 4  _ _ _  9 _ _
+
+4 3 _  _ _ _  _ _ _
+_ 5 _  2 _ _  7 _ 9
+_ _ 8  9 _ _  _ _ 6
+
+_ _ _  _ _ 6  _ _ _
+_ _ _  _ _ _  8 _ _
+_ _ _  1 _ 8  _ 2 5
+
+SOLUTION:
+5 8 1  6 7 9  2 4 3
+9 7 2  4 8 3  6 5 1
+3 6 4  5 1 2  9 7 8
+
+4 3 9  8 6 7  5 1 2
+1 5 6  2 3 4  7 8 9
+7 2 8  9 5 1  4 3 6
+
+8 4 5  3 2 6  1 9 7
+2 1 3  7 9 5  8 6 4
+6 9 7  1 4 8  3 2 5
 
 RATING: 0
 DATA:
-{"puzzle":[null,7,null,0,null,null,null,null,null,3,null,null,1,null,5,null,null,null,null,null,5,null,3,null,null,null,8,null,3,2,null,null,null,null,null,null,null,1,null,null,null,7,0,2,null,null,null,7,null,null,8,null,null,null,null,null,null,null,null,null,null,null,1,8,null,null,null,2,null,null,5,null,null,null,4,null,5,null,7,8,null],"solution":[4,7,1,0,8,2,6,3,5,3,8,6,1,7,5,4,0,2,2,0,5,4,3,6,1,7,8,6,3,2,5,1,0,8,4,7,5,1,8,3,4,7,0,2,6,0,4,7,2,6,8,5,1,3,7,5,3,8,0,4,2,6,1,8,6,0,7,2,1,3,5,4,1,2,4,6,5,3,7,8,0]}
+{"puzzle":[1,null,null,null,null,null,null,null,0,null,null,0,null,null,null,null,6,null,null,null,null,4,8,null,null,3,null,2,7,null,8,null,4,null,null,3,null,null,1,6,null,null,null,null,null,null,8,null,null,null,null,null,1,7,8,null,null,0,null,null,1,null,null,null,2,null,null,5,7,null,null,8,null,null,null,null,2,null,null,null,null],"solution":[1,3,8,7,6,5,4,2,0,7,4,0,2,3,1,8,6,5,5,6,2,4,8,0,7,3,1,2,7,5,8,1,4,6,0,3,3,0,1,6,7,2,5,8,4,6,8,4,5,0,3,2,1,7,8,5,3,0,4,6,1,7,2,0,2,6,1,5,7,3,4,8,4,1,7,3,2,8,0,5,6]}
 PUZZLE:
-_ 8 _  1 _ _  _ _ _
-4 _ _  2 _ 6  _ _ _
-_ _ 6  _ 4 _  _ _ 9
+2 _ _  _ _ _  _ _ 1
+_ _ 1  _ _ _  _ 7 _
+_ _ _  5 9 _  _ 4 _
 
-_ 4 3  _ _ _  _ _ _
-_ 2 _  _ _ 8  1 3 _
-_ _ 8  _ _ 9  _ _ _
+3 8 _  9 _ 5  _ _ 4
+_ _ 2  7 _ _  _ _ _
+_ 9 _  _ _ _  _ 2 8
+
+9 _ _  1 _ _  2 _ _
+_ 3 _  _ 6 8  _ _ 9
+_ _ _  _ 3 _  _ _ _
+
+SOLUTION:
+2 4 9  8 7 6  5 3 1
+8 5 1  3 4 2  9 7 6
+6 7 3  5 9 1  8 4 2
+
+3 8 6  9 2 5  7 1 4
+4 1 2  7 8 3  6 9 5
+7 9 5  6 1 4  3 2 8
+
+9 6 4  1 5 7  2 8 3
+1 3 7  2 6 8  4 5 9
+5 2 8  4 3 9  1 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,4,6,2,null,3,null,null,null,5,0,null,null,null,null,null,null,null,null,null,null,null,8,6,null,null,2,null,7,null,null,0,null,null,8,1,null,null,null,null,null,4,null,null,null,null,null,null,6,null,null,1,null,5,null,null,null,8,null,null,null,null,null,null,null,4,null,null,null,null,null,null,8,2,null,null,null,null,null,0],"solution":[8,7,4,6,2,5,3,0,1,6,5,0,3,1,4,2,8,7,3,2,1,7,0,8,6,5,4,2,6,7,1,4,0,5,3,8,1,0,8,2,5,3,4,7,6,4,3,5,8,6,7,0,1,2,5,4,6,0,8,1,7,2,3,0,1,3,4,7,2,8,6,5,7,8,2,5,3,6,1,4,0]}
+PUZZLE:
+_ 8 5  7 3 _  4 _ _
+_ 6 1  _ _ _  _ _ _
+_ _ _  _ _ 9  7 _ _
+
+3 _ 8  _ _ 1  _ _ 9
+2 _ _  _ _ _  5 _ _
+_ _ _  _ 7 _  _ 2 _
+
+6 _ _  _ 9 _  _ _ _
+_ _ _  5 _ _  _ _ _
+_ 9 3  _ _ _  _ _ 1
+
+SOLUTION:
+9 8 5  7 3 6  4 1 2
+7 6 1  4 2 5  3 9 8
+4 3 2  8 1 9  7 6 5
+
+3 7 8  2 5 1  6 4 9
+2 1 9  3 6 4  5 8 7
+5 4 6  9 7 8  1 2 3
+
+6 5 7  1 9 2  8 3 4
+1 2 4  5 8 3  9 7 6
+8 9 3  6 4 7  2 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,5,null,4,2,null,null,null,null,null,1,null,7,null,null,null,3,null,null,null,2,8,null,3,0,null,6,null,null,null,null,4,null,null,7,null,8,null,null,null,7,null,2,null,4,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,2,null,1,0,null,6,null,null,null,null,7,null,null,3],"solution":[3,6,1,8,4,2,7,5,0,4,2,5,7,6,0,3,1,8,7,8,0,5,3,1,6,4,2,8,5,3,0,1,6,4,2,7,0,4,2,3,7,5,8,6,1,1,7,6,2,8,4,0,3,5,2,1,8,6,0,3,5,7,4,5,3,7,4,2,8,1,0,6,6,0,4,1,5,7,2,8,3]}
+PUZZLE:
+_ _ _  _ _ _  _ 6 _
+5 3 _  _ _ _  _ 2 _
+8 _ _  _ 4 _  _ _ 3
+
+9 _ 4  1 _ 7  _ _ _
+_ 5 _  _ 8 _  9 _ _
+_ 8 _  3 _ 5  _ _ _
+
+_ _ _  _ _ _  _ _ 5
+_ _ _  _ 3 _  2 1 _
+7 _ _  _ _ 8  _ _ 4
+
+SOLUTION:
+4 7 2  9 5 3  8 6 1
+5 3 6  8 7 1  4 2 9
+8 9 1  6 4 2  7 5 3
+
+9 6 4  1 2 7  5 3 8
+1 5 3  4 8 6  9 7 2
+2 8 7  3 9 5  1 4 6
+
+3 2 9  7 1 4  6 8 5
+6 4 8  5 3 9  2 1 7
+7 1 5  2 6 8  3 9 4
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,4,6,null,null,null,null,null,2,1,5,null,null,null,5,null,1,null,2,null,null,2,null,null,null,5,null,null,null,7,null,7,null,null,0,null,null,6,null,null,null,null,3,null,null,0,null,null,null,2,7,null,null,null,null,null,null,8,null,null,null,null,null,7,0,null,null,null,null,0,6,null,null,1,null],"solution":[1,0,2,7,8,5,3,4,6,7,8,4,6,3,2,1,5,0,3,6,5,4,1,0,2,7,8,2,3,0,1,5,6,4,8,7,4,7,1,2,0,8,5,6,3,6,5,8,3,7,4,0,2,1,0,2,7,8,4,1,6,3,5,8,1,6,5,2,3,7,0,4,5,4,3,0,6,7,8,1,2]}
+PUZZLE:
+_ _ _  _ _ _  _ 5 7
+_ _ _  _ _ 3  2 6 _
+_ _ 6  _ 2 _  3 _ _
+
+3 _ _  _ 6 _  _ _ 8
+_ 8 _  _ 1 _  _ 7 _
+_ _ _  4 _ _  1 _ _
+
+_ 3 8  _ _ _  _ _ _
+9 _ _  _ _ _  8 1 _
+_ _ _  1 7 _  _ 2 _
+
+SOLUTION:
+2 1 3  8 9 6  4 5 7
+8 9 5  7 4 3  2 6 1
+4 7 6  5 2 1  3 8 9
+
+3 4 1  2 6 7  5 9 8
+5 8 2  3 1 9  6 7 4
+7 6 9  4 8 5  1 3 2
+
+1 3 8  9 5 2  7 4 6
+9 2 7  6 3 4  8 1 5
+6 5 4  1 7 8  9 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,6,null,4,null,null,null,null,null,null,null,3,8,5,null,null,4,null,null,null,0,null,3,null,0,null,2,null,null,null,null,8,null,7,null,8,2,null,null,null,4,null,null,null,3,6,7,null,null,null,null,null,null,7,0,null,null,null,null,null,null,null,4,null,1,null,null,null,null,1,null,null,null,8,null,null,2,7],"solution":[3,0,1,8,6,5,4,7,2,2,7,6,1,4,3,8,5,0,8,4,5,7,2,0,1,3,6,0,6,2,5,3,4,7,8,1,7,5,8,2,0,1,6,4,3,4,1,3,6,7,8,2,0,5,6,8,7,0,5,2,3,1,4,5,2,4,3,1,7,0,6,8,1,3,0,4,8,6,5,2,7]}
+PUZZLE:
+_ _ _  _ 7 _  5 _ _
+_ _ _  _ _ 4  9 6 _
+_ 5 _  _ _ 1  _ 4 _
+
+1 _ 3  _ _ _  _ 9 _
+8 _ 9  3 _ _  _ 5 _
+_ _ 4  7 8 _  _ _ _
+
+_ _ 8  1 _ _  _ _ _
+_ _ 5  _ 2 _  _ _ _
+2 _ _  _ 9 _  _ 3 8
+
+SOLUTION:
+4 1 2  9 7 6  5 8 3
+3 8 7  2 5 4  9 6 1
+9 5 6  8 3 1  2 4 7
+
+1 7 3  6 4 5  8 9 2
+8 6 9  3 1 2  7 5 4
+5 2 4  7 8 9  3 1 6
+
+7 9 8  1 6 3  4 2 5
+6 3 5  4 2 8  1 7 9
+2 4 1  5 9 7  6 3 8
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,3,null,null,null,0,null,null,4,null,null,5,null,null,6,null,null,null,2,null,null,8,null,null,null,1,null,6,null,8,null,4,null,null,2,3,null,null,null,1,7,null,5,5,null,null,2,null,null,null,null,null,null,null,3,null,7,null,null,null,6,null,5,null,null,null,2,null,null,3,4,null,null,null,null,null,8,null,null],"solution":[7,8,5,3,2,6,1,0,4,3,4,1,0,5,7,2,6,8,0,6,2,1,4,8,3,5,7,1,0,6,7,8,5,4,3,2,2,3,4,6,0,1,7,8,5,5,7,8,2,3,4,6,1,0,8,1,3,4,7,0,5,2,6,6,5,7,8,1,2,0,4,3,4,2,0,5,6,3,8,7,1]}
+PUZZLE:
+_ _ _  4 _ _  _ 1 _
+_ 5 _  _ 6 _  _ 7 _
+_ _ 3  _ _ 9  _ _ _
+
+2 _ 7  _ 9 _  5 _ _
+3 4 _  _ _ 2  8 _ 6
+6 _ _  3 _ _  _ _ _
+
+_ _ 4  _ 8 _  _ _ 7
+_ 6 _  _ _ 3  _ _ 4
+5 _ _  _ _ _  9 _ _
+
+SOLUTION:
+8 9 6  4 3 7  2 1 5
+4 5 2  1 6 8  3 7 9
+1 7 3  2 5 9  4 6 8
+
+2 1 7  8 9 6  5 4 3
+3 4 5  7 1 2  8 9 6
+6 8 9  3 4 5  7 2 1
+
+9 2 4  5 8 1  6 3 7
+7 6 8  9 2 3  1 5 4
+5 3 1  6 7 4  9 8 2
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,7,null,null,2,null,6,null,null,0,null,null,null,null,6,null,null,null,null,null,null,null,null,0,null,5,4,null,3,null,null,null,null,7,null,null,null,null,8,6,null,null,null,null,null,7,null,6,4,0,null,null,null,null,2,null,null,null,null,null,1,null,null,null,null,7,8,null,5,null,null,null,null,1,null,null,4,null,5,null,6],"solution":[1,7,3,5,2,4,6,0,8,0,5,4,3,8,6,2,7,1,8,6,2,1,7,0,3,5,4,4,3,1,2,5,8,7,6,0,5,0,8,6,3,7,4,1,2,7,2,6,4,0,1,8,3,5,2,8,5,0,6,3,1,4,7,6,4,7,8,1,5,0,2,3,3,1,0,7,4,2,5,8,6]}
+PUZZLE:
+_ 8 _  _ 3 _  7 _ _
+1 _ _  _ _ 7  _ _ _
+_ _ _  _ _ 1  _ 6 5
+
+_ 4 _  _ _ _  8 _ _
+_ _ 9  7 _ _  _ _ _
+8 _ 7  5 1 _  _ _ _
+
+3 _ _  _ _ _  2 _ _
+_ _ 8  9 _ 6  _ _ _
+_ 2 _  _ 5 _  6 _ 7
+
+SOLUTION:
+2 8 4  6 3 5  7 1 9
+1 6 5  4 9 7  3 8 2
+9 7 3  2 8 1  4 6 5
+
+5 4 2  3 6 9  8 7 1
+6 1 9  7 4 8  5 2 3
+8 3 7  5 1 2  9 4 6
+
+3 9 6  1 7 4  2 5 8
+7 5 8  9 2 6  1 3 4
+4 2 1  8 5 3  6 9 7
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,8,null,null,null,null,null,null,null,0,null,3,null,7,null,null,null,1,6,null,null,null,null,null,7,8,null,null,null,4,null,null,1,null,null,null,null,null,null,4,null,null,null,6,5,null,null,null,7,null,0,null,2,null,null,3,null,null,4,null,null,7,null,null,null,5,null,null,null,null,null,null,null,4,null,2,3,8,null,null,6],"solution":[4,8,7,5,1,2,6,0,3,0,2,3,8,7,6,4,5,1,6,5,1,3,0,4,7,8,2,5,0,4,6,2,1,8,3,7,1,7,2,4,8,3,0,6,5,3,6,8,7,5,0,1,2,4,8,3,6,1,4,5,2,7,0,2,1,5,0,6,7,3,4,8,7,4,0,2,3,8,5,1,6]}
+PUZZLE:
+_ 9 _  _ _ _  _ _ _
+1 _ 4  _ 8 _  _ _ 2
+7 _ _  _ _ _  8 9 _
+
+_ _ 5  _ _ 2  _ _ _
+_ _ _  5 _ _  _ 7 6
+_ _ _  8 _ 1  _ 3 _
+
+_ 4 _  _ 5 _  _ 8 _
+_ _ 6  _ _ _  _ _ _
+_ 5 _  3 4 9  _ _ 7
+
+SOLUTION:
+5 9 8  6 2 3  7 1 4
+1 3 4  9 8 7  5 6 2
+7 6 2  4 1 5  8 9 3
+
+6 1 5  7 3 2  9 4 8
+2 8 3  5 9 4  1 7 6
+4 7 9  8 6 1  2 3 5
+
+9 4 7  2 5 6  3 8 1
+3 2 6  1 7 8  4 5 9
+8 5 1  3 4 9  6 2 7
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,6,null,null,null,7,3,null,null,null,5,null,4,6,null,null,5,null,1,null,null,8,null,null,null,3,null,null,4,null,2,0,null,null,8,null,null,1,null,null,null,null,null,7,0,6,null,null,null,null,null,null,null,null,4,7,null,null,null,null,null,2,8,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,6],"solution":[4,2,8,6,1,0,5,7,3,0,3,7,5,2,4,6,1,8,5,6,1,3,7,8,4,0,2,3,1,5,4,6,2,0,8,7,8,4,2,1,0,7,3,6,5,7,0,6,8,3,5,1,2,4,6,5,4,7,8,1,2,3,0,2,8,3,0,5,6,7,4,1,1,7,0,2,4,3,8,5,6]}
+PUZZLE:
+_ _ _  7 _ _  _ 8 4
+_ _ _  6 _ 5  7 _ _
+6 _ 2  _ _ 9  _ _ _
+
+4 _ _  5 _ 3  1 _ _
+9 _ _  2 _ _  _ _ _
+8 1 7  _ _ _  _ _ _
+
+_ _ 5  8 _ _  _ _ _
+3 9 _  _ _ _  _ _ _
+_ _ _  _ 5 _  _ _ 7
+
+SOLUTION:
+5 3 9  7 2 1  6 8 4
+1 4 8  6 3 5  7 2 9
+6 7 2  4 8 9  5 1 3
+
+4 2 6  5 7 3  1 9 8
+9 5 3  2 1 8  4 7 6
+8 1 7  9 4 6  2 3 5
+
+7 6 5  8 9 2  3 4 1
+3 9 4  1 6 7  8 5 2
+2 8 1  3 5 4  9 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,5,null,null,5,8,null,null,0,null,6,null,null,0,null,null,7,null,null,null,null,null,8,0,null,null,null,null,4,3,null,null,null,null,null,2,6,null,5,null,null,null,null,null,null,8,null,null,6,null,null,null,3,null,null,null,null,null,null,null,null,2,1,null,null,7,null,null,2,null,4,null,null,8,null],"solution":[1,6,7,2,8,3,4,5,0,3,5,8,4,1,0,7,6,2,2,0,4,5,7,6,3,1,8,5,8,0,1,6,7,2,4,3,4,1,3,8,0,2,6,7,5,7,2,6,3,5,4,8,0,1,6,7,1,0,3,8,5,2,4,8,4,5,6,2,1,0,3,7,0,3,2,7,4,5,1,8,6]}
+PUZZLE:
+_ _ _  _ _ _  5 6 _
+_ 6 9  _ _ 1  _ 7 _
+_ 1 _  _ 8 _  _ _ _
+
+_ 9 1  _ _ _  _ 5 4
+_ _ _  _ _ 3  7 _ 6
+_ _ _  _ _ _  9 _ _
+
+7 _ _  _ 4 _  _ _ _
+_ _ _  _ 3 2  _ _ 8
+_ _ 3  _ 5 _  _ 9 _
+
+SOLUTION:
+2 7 8  3 9 4  5 6 1
+4 6 9  5 2 1  8 7 3
+3 1 5  6 8 7  4 2 9
+
+6 9 1  2 7 8  3 5 4
+5 2 4  9 1 3  7 8 6
+8 3 7  4 6 5  9 1 2
+
+7 8 2  1 4 9  6 3 5
+9 5 6  7 3 2  1 4 8
+1 4 3  8 5 6  2 9 7
+
+RATING: 1
+DATA:
+{"puzzle":[1,null,null,null,3,null,5,null,null,4,null,0,null,7,null,null,null,null,null,7,null,6,null,2,null,null,null,null,4,7,null,null,null,2,null,null,null,5,null,4,null,null,6,null,7,2,null,null,null,null,0,null,null,null,3,null,null,null,8,null,null,2,0,null,null,8,null,null,null,null,null,null,null,null,4,null,null,null,null,null,5],"solution":[1,6,2,0,3,4,5,7,8,4,3,0,8,7,5,1,6,2,8,7,5,6,1,2,0,4,3,6,4,7,3,5,8,2,0,1,0,5,3,4,2,1,6,8,7,2,8,1,7,6,0,3,5,4,3,1,6,5,8,7,4,2,0,5,0,8,2,4,3,7,1,6,7,2,4,1,0,6,8,3,5]}
+PUZZLE:
+2 _ _  _ 4 _  6 _ _
+5 _ 1  _ 8 _  _ _ _
+_ 8 _  7 _ 3  _ _ _
+
+_ 5 8  _ _ _  3 _ _
+_ 6 _  5 _ _  7 _ 8
+3 _ _  _ _ 1  _ _ _
+
+4 _ _  _ 9 _  _ 3 1
+_ _ 9  _ _ _  _ _ _
+_ _ 5  _ _ _  _ _ 6
+
+SOLUTION:
+2 7 3  1 4 5  6 8 9
+5 4 1  9 8 6  2 7 3
+9 8 6  7 2 3  1 5 4
+
+7 5 8  4 6 9  3 1 2
+1 6 4  5 3 2  7 9 8
+3 9 2  8 7 1  4 6 5
+
+4 2 7  6 9 8  5 3 1
+6 1 9  3 5 4  8 2 7
+8 3 5  2 1 7  9 4 6
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,8,5,null,2,0,null,0,null,null,null,1,null,null,null,8,null,null,null,null,6,2,null,null,null,null,4,3,null,null,null,null,null,6,null,null,null,null,null,null,null,1,null,1,null,null,null,0,null,null,7,null,null,null,null,null,null,null,8,null,5,5,3,null,null,null,null,null,6,null,null,6,null,null,8,4,null,null,null],"solution":[6,1,4,8,5,7,2,0,3,0,7,2,4,1,3,6,5,8,3,8,5,0,6,2,1,4,7,7,4,3,1,2,5,0,8,6,8,5,0,7,4,6,3,1,2,1,2,6,3,0,8,5,7,4,4,0,7,6,3,1,8,2,5,5,3,8,2,7,0,4,6,1,2,6,1,5,8,4,7,3,0]}
+PUZZLE:
+_ _ _  9 6 _  3 1 _
+1 _ _  _ 2 _  _ _ 9
+_ _ _  _ 7 3  _ _ _
+
+_ 5 4  _ _ _  _ _ 7
+_ _ _  _ _ _  _ 2 _
+2 _ _  _ 1 _  _ 8 _
+
+_ _ _  _ _ _  9 _ 6
+6 4 _  _ _ _  _ 7 _
+_ 7 _  _ 9 5  _ _ _
+
+SOLUTION:
+7 2 5  9 6 8  3 1 4
+1 8 3  5 2 4  7 6 9
+4 9 6  1 7 3  2 5 8
+
+8 5 4  2 3 6  1 9 7
+9 6 1  8 5 7  4 2 3
+2 3 7  4 1 9  6 8 5
+
+5 1 8  7 4 2  9 3 6
+6 4 9  3 8 1  5 7 2
+3 7 2  6 9 5  8 4 1
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,6,2,null,8,0,null,null,null,3,7,null,null,null,null,1,8,null,null,null,null,null,null,null,null,4,7,5,null,null,6,null,null,null,null,0,null,8,null,2,null,null,null,null,6,null,null,8,null,null,null,null,7,null,null,null,null,null,3,null,5,null,null,null,null,4,null,null,null,null,null,1,null,null,null,null,null,null,7,2],"solution":[4,1,6,2,7,8,0,3,5,2,3,7,0,4,5,6,1,8,5,8,0,6,3,1,7,2,4,7,5,1,3,6,4,2,8,0,0,4,8,1,2,7,5,6,3,6,2,3,8,5,0,1,4,7,8,6,2,7,0,3,4,5,1,3,7,5,4,1,2,8,0,6,1,0,4,5,8,6,3,7,2]}
+PUZZLE:
+_ _ 7  3 _ 9  1 _ _
+_ 4 8  _ _ _  _ 2 9
+_ _ _  _ _ _  _ _ 5
+
+8 6 _  _ 7 _  _ _ _
+1 _ 9  _ 3 _  _ _ _
+7 _ _  9 _ _  _ _ 8
+
+_ _ _  _ _ 4  _ 6 _
+_ _ _  5 _ _  _ _ _
+2 _ _  _ _ _  _ 8 3
+
+SOLUTION:
+5 2 7  3 8 9  1 4 6
+3 4 8  1 5 6  7 2 9
+6 9 1  7 4 2  8 3 5
+
+8 6 2  4 7 5  3 9 1
+1 5 9  2 3 8  6 7 4
+7 3 4  9 6 1  2 5 8
+
+9 7 3  8 1 4  5 6 2
+4 8 6  5 2 3  9 1 7
+2 1 5  6 9 7  4 8 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,0,null,null,3,null,1,null,null,null,6,null,null,null,7,null,null,null,null,null,null,1,null,null,0,null,null,null,3,null,0,2,5,8,3,null,1,null,null,null,null,null,null,1,null,null,8,null,null,null,null,null,null,null,null,2,null,null,null,2,5,null,null,8,null,null,null,7,0,null,null,2,4,null,6],"solution":[6,5,1,4,7,3,2,0,8,2,3,8,1,0,5,7,6,4,4,0,7,6,2,8,3,5,1,1,8,4,0,5,7,6,3,2,0,2,5,8,3,6,1,4,7,7,6,3,2,1,4,0,8,5,8,1,6,7,4,0,5,2,3,3,4,2,5,6,1,8,7,0,5,7,0,3,8,2,4,1,6]}
+PUZZLE:
+_ _ _  5 _ _  _ 1 _
+_ 4 _  2 _ _  _ 7 _
+_ _ 8  _ _ _  _ _ _
+
+2 _ _  1 _ _  _ 4 _
+1 3 6  9 4 _  2 _ _
+_ _ _  _ 2 _  _ 9 _
+
+_ _ _  _ _ _  _ 3 _
+_ _ 3  6 _ _  9 _ _
+_ 8 1  _ _ 3  5 _ 7
+
+SOLUTION:
+7 6 2  5 8 4  3 1 9
+3 4 9  2 1 6  8 7 5
+5 1 8  7 3 9  4 6 2
+
+2 9 5  1 6 8  7 4 3
+1 3 6  9 4 7  2 5 8
+8 7 4  3 2 5  1 9 6
+
+9 2 7  8 5 1  6 3 4
+4 5 3  6 7 2  9 8 1
+6 8 1  4 9 3  5 2 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,1,null,null,4,null,null,null,null,4,null,null,2,null,1,null,null,4,7,null,null,8,null,null,5,null,null,null,null,0,null,1,null,null,6,null,3,2,null,null,null,null,null,null,null,null,null,4,null,3,0,8,null,null,null,null,null,1,2,7,null,3,2,null,5,null,null,0,null,null,null,null,null,null,null,null,null,null],"solution":[2,7,5,8,1,6,0,4,3,6,8,0,4,3,5,2,7,1,3,1,4,7,0,2,8,6,5,5,4,3,6,8,0,7,1,2,0,6,7,3,2,1,5,8,4,1,2,8,5,7,4,6,3,0,8,5,6,0,4,3,1,2,7,7,3,2,1,5,8,4,0,6,4,0,1,2,6,7,3,5,8]}
+PUZZLE:
+_ _ _  9 2 _  _ 5 _
+_ _ _  5 _ _  3 _ 2
+_ _ 5  8 _ _  9 _ _
+
+6 _ _  _ _ 1  _ 2 _
+_ 7 _  4 3 _  _ _ _
+_ _ _  _ _ 5  _ 4 1
+
+9 _ _  _ _ _  2 3 8
+_ 4 3  _ 6 _  _ 1 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 8 6  9 2 7  1 5 4
+7 9 1  5 4 6  3 8 2
+4 2 5  8 1 3  9 7 6
+
+6 5 4  7 9 1  8 2 3
+1 7 8  4 3 2  6 9 5
+2 3 9  6 8 5  7 4 1
+
+9 6 7  1 5 4  2 3 8
+8 4 3  2 6 9  5 1 7
+5 1 2  3 7 8  4 6 9
+
+RATING: 0
+DATA:
+{"puzzle":[2,8,null,null,null,4,null,null,null,4,null,3,6,null,7,5,null,null,null,null,null,null,null,null,null,null,6,null,7,null,5,2,8,6,null,null,null,null,0,null,null,null,null,null,5,null,null,null,null,null,null,4,null,null,null,null,5,3,null,null,8,null,null,null,null,null,null,null,null,null,5,2,null,4,null,8,0,null,null,null,null],"solution":[2,8,6,0,5,4,1,3,7,4,0,3,6,1,7,5,2,8,1,5,7,2,8,3,0,4,6,3,7,4,5,2,8,6,1,0,8,6,0,4,3,1,2,7,5,5,2,1,7,6,0,4,8,3,6,1,5,3,7,2,8,0,4,0,3,8,1,4,6,7,5,2,7,4,2,8,0,5,3,6,1]}
+PUZZLE:
+3 9 _  _ _ 5  _ _ _
+5 _ 4  7 _ 8  6 _ _
+_ _ _  _ _ _  _ _ 7
+
+_ 8 _  6 3 9  7 _ _
+_ _ 1  _ _ _  _ _ 6
+_ _ _  _ _ _  5 _ _
+
+_ _ 6  4 _ _  9 _ _
+_ _ _  _ _ _  _ 6 3
+_ 5 _  9 1 _  _ _ _
+
+SOLUTION:
+3 9 7  1 6 5  2 4 8
+5 1 4  7 2 8  6 3 9
+2 6 8  3 9 4  1 5 7
+
+4 8 5  6 3 9  7 2 1
+9 7 1  5 4 2  3 8 6
+6 3 2  8 7 1  5 9 4
+
+7 2 6  4 8 3  9 1 5
+1 4 9  2 5 7  8 6 3
+8 5 3  9 1 6  4 7 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,null,null,null,null,0,null,8,7,null,null,2,null,null,null,3,null,5,null,null,null,null,null,1,6,4,null,null,2,null,null,null,null,null,1,null,null,3,null,5,null,null,null,null,null,3,7,null,null,null,null,8,null,null,2,null,8,1,3,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,null,null,4,null],"solution":[6,2,1,4,5,3,8,0,7,8,7,0,1,2,6,4,5,3,3,5,4,8,7,0,2,1,6,4,6,5,2,0,8,7,3,1,1,8,7,3,6,5,0,2,4,2,0,3,7,1,4,5,6,8,5,4,2,6,8,1,3,7,0,7,3,6,0,4,2,1,8,5,0,1,8,5,3,7,6,4,2]}
+PUZZLE:
+_ 3 _  _ _ _  _ 1 _
+9 8 _  _ 3 _  _ _ 4
+_ 6 _  _ _ _  _ 2 7
+
+5 _ _  3 _ _  _ _ _
+2 _ _  4 _ 6  _ _ _
+_ _ 4  8 _ _  _ _ 9
+
+_ _ 3  _ 9 2  4 _ _
+_ _ _  _ _ _  _ _ _
+1 _ _  _ _ _  _ 5 _
+
+SOLUTION:
+7 3 2  5 6 4  9 1 8
+9 8 1  2 3 7  5 6 4
+4 6 5  9 8 1  3 2 7
+
+5 7 6  3 1 9  8 4 2
+2 9 8  4 7 6  1 3 5
+3 1 4  8 2 5  6 7 9
+
+6 5 3  7 9 2  4 8 1
+8 4 7  1 5 3  2 9 6
+1 2 9  6 4 8  7 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,2,null,null,6,0,null,null,null,null,null,3,6,null,null,2,null,8,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,1,5,null,null,null,null,8,null,null,null,null,2,null,null,null,null,5,null,3,0,null,null,null,null,null,null,5,null,2,null,3,7,null,1,null,null,null,4,6,null,null,5,null,null,2,null],"solution":[3,1,4,2,7,5,6,0,8,7,0,5,8,3,6,4,1,2,6,8,2,1,0,4,7,3,5,8,3,6,5,2,7,0,4,1,5,4,0,3,1,8,2,7,6,1,2,7,4,6,0,5,8,3,0,7,1,6,8,2,3,5,4,2,5,3,7,4,1,8,6,0,4,6,8,0,5,3,1,2,7]}
+PUZZLE:
+_ 2 _  3 _ _  7 1 _
+_ _ _  _ 4 7  _ _ 3
+_ 9 _  _ _ _  _ _ _
+
+_ _ _  _ _ _  _ 5 2
+6 _ _  _ _ 9  _ _ _
+_ 3 _  _ _ _  6 _ 4
+
+1 _ _  _ _ _  _ 6 _
+3 _ 4  8 _ 2  _ _ _
+5 7 _  _ 6 _  _ 3 _
+
+SOLUTION:
+4 2 5  3 8 6  7 1 9
+8 1 6  9 4 7  5 2 3
+7 9 3  2 1 5  8 4 6
+
+9 4 7  6 3 8  1 5 2
+6 5 1  4 2 9  3 8 7
+2 3 8  5 7 1  6 9 4
+
+1 8 2  7 9 3  4 6 5
+3 6 4  8 5 2  9 7 1
+5 7 9  1 6 4  2 3 8
+
+RATING: 4
+DATA:
+{"puzzle":[null,7,2,null,null,5,6,null,1,null,null,3,8,null,null,null,null,null,null,null,null,null,null,7,null,null,8,1,null,null,6,null,null,null,null,null,null,null,null,null,0,null,null,null,5,null,null,8,null,null,3,7,2,null,null,2,null,null,4,null,null,null,null,null,null,null,1,null,null,0,4,null,null,null,null,null,null,null,null,null,null],"solution":[8,7,2,4,3,5,6,0,1,5,0,3,8,6,1,2,7,4,4,6,1,0,2,7,3,5,8,1,5,7,6,8,2,4,3,0,2,3,6,7,0,4,1,8,5,0,4,8,5,1,3,7,2,6,6,2,0,3,4,8,5,1,7,3,8,5,1,7,6,0,4,2,7,1,4,2,5,0,8,6,3]}
+PUZZLE:
+_ 8 3  _ _ 6  7 _ 2
+_ _ 4  9 _ _  _ _ _
+_ _ _  _ _ 8  _ _ 9
+
+2 _ _  7 _ _  _ _ _
+_ _ _  _ 1 _  _ _ 6
+_ _ 9  _ _ 4  8 3 _
+
+_ 3 _  _ 5 _  _ _ _
+_ _ _  2 _ _  1 5 _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+9 8 3  5 4 6  7 1 2
+6 1 4  9 7 2  3 8 5
+5 7 2  1 3 8  4 6 9
+
+2 6 8  7 9 3  5 4 1
+3 4 7  8 1 5  2 9 6
+1 5 9  6 2 4  8 3 7
+
+7 3 1  4 5 9  6 2 8
+4 9 6  2 8 7  1 5 3
+8 2 5  3 6 1  9 7 4
+
+RATING: 0
+DATA:
+{"puzzle":[3,5,null,null,6,null,null,1,null,null,null,null,null,null,null,null,null,null,7,null,null,null,2,4,null,null,5,null,1,null,3,null,null,null,null,null,5,null,null,null,null,null,2,null,7,null,8,null,null,null,null,null,null,4,2,null,null,4,null,1,null,6,null,null,7,5,2,8,null,null,null,null,null,null,null,null,null,0,5,null,null],"solution":[3,5,0,8,6,7,4,1,2,8,2,4,5,1,3,6,7,0,7,6,1,0,2,4,3,8,5,4,1,7,3,0,2,8,5,6,5,3,6,1,4,8,2,0,7,0,8,2,6,7,5,1,3,4,2,0,3,4,5,1,7,6,8,1,7,5,2,8,6,0,4,3,6,4,8,7,3,0,5,2,1]}
+PUZZLE:
+4 6 _  _ 7 _  _ 2 _
+_ _ _  _ _ _  _ _ _
+8 _ _  _ 3 5  _ _ 6
+
+_ 2 _  4 _ _  _ _ _
+6 _ _  _ _ _  3 _ 8
+_ 9 _  _ _ _  _ _ 5
+
+3 _ _  5 _ 2  _ 7 _
+_ 8 6  3 9 _  _ _ _
+_ _ _  _ _ 1  6 _ _
+
+SOLUTION:
+4 6 1  9 7 8  5 2 3
+9 3 5  6 2 4  7 8 1
+8 7 2  1 3 5  4 9 6
+
+5 2 8  4 1 3  9 6 7
+6 4 7  2 5 9  3 1 8
+1 9 3  7 8 6  2 4 5
+
+3 1 4  5 6 2  8 7 9
+2 8 6  3 9 7  1 5 4
+7 5 9  8 4 1  6 3 2
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,3,null,null,0,6,1,null,1,null,4,null,null,null,null,null,null,null,null,null,1,3,null,8,null,0,null,null,null,null,1,2,null,null,null,5,null,0,null,null,null,null,null,null,null,6,null,null,null,null,null,null,5,null,null,null,0,7,null,null,5,6,null,null,null,null,null,6,null,null,null,null,4,2,null,null,null,3,null,null],"solution":[8,5,3,7,4,0,6,1,2,1,0,4,2,6,8,5,7,3,7,2,6,1,3,5,8,4,0,4,3,7,5,1,2,0,6,8,5,1,0,6,8,3,7,2,4,2,6,8,4,0,7,1,3,5,3,8,1,0,7,4,2,5,6,0,7,5,3,2,6,4,8,1,6,4,2,8,5,1,3,0,7]}
+PUZZLE:
+_ _ 4  _ _ 1  7 2 _
+2 _ 5  _ _ _  _ _ _
+_ _ _  2 4 _  9 _ 1
+
+_ _ _  _ 2 3  _ _ _
+6 _ 1  _ _ _  _ _ _
+_ 7 _  _ _ _  _ _ 6
+
+_ _ _  1 8 _  _ 6 7
+_ _ _  _ _ 7  _ _ _
+_ 5 3  _ _ _  4 _ _
+
+SOLUTION:
+9 6 4  8 5 1  7 2 3
+2 1 5  3 7 9  6 8 4
+8 3 7  2 4 6  9 5 1
+
+5 4 8  6 2 3  1 7 9
+6 2 1  7 9 4  8 3 5
+3 7 9  5 1 8  2 4 6
+
+4 9 2  1 8 5  3 6 7
+1 8 6  4 3 7  5 9 2
+7 5 3  9 6 2  4 1 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,null,null,null,7,3,null,3,null,null,null,null,null,null,0,null,null,null,null,null,2,7,null,null,5,null,2,null,8,null,4,null,null,1,null,7,null,null,null,null,2,null,null,null,0,null,null,null,5,null,null,null,6,null,null,null,1,null,null,null,null,null,null,null,null,null,0,null,2,4,null,null,0,null,null,null,8,null,null],"solution":[2,6,5,0,4,1,7,3,8,3,4,7,5,6,8,1,0,2,0,1,8,3,2,7,6,4,5,5,2,3,8,7,4,0,6,1,8,7,4,1,0,6,2,5,3,1,0,6,2,3,5,4,8,7,6,8,2,4,1,3,5,7,0,7,5,1,6,8,0,3,2,4,4,3,0,7,5,2,8,1,6]}
+PUZZLE:
+_ 7 _  _ _ _  8 4 _
+4 _ _  _ _ _  _ 1 _
+_ _ _  _ 3 8  _ _ 6
+
+_ 3 _  9 _ 5  _ _ 2
+_ 8 _  _ _ _  3 _ _
+_ 1 _  _ _ 6  _ _ _
+
+7 _ _  _ 2 _  _ _ _
+_ _ _  _ _ 1  _ 3 5
+_ _ 1  _ _ _  9 _ _
+
+SOLUTION:
+3 7 6  1 5 2  8 4 9
+4 5 8  6 7 9  2 1 3
+1 2 9  4 3 8  7 5 6
+
+6 3 4  9 8 5  1 7 2
+9 8 5  2 1 7  3 6 4
+2 1 7  3 4 6  5 9 8
+
+7 9 3  5 2 4  6 8 1
+8 6 2  7 9 1  4 3 5
+5 4 1  8 6 3  9 2 7
+
+RATING: 1
+DATA:
+{"puzzle":[null,0,null,null,null,null,null,null,7,6,null,null,null,null,3,null,null,1,null,null,null,null,null,8,null,4,null,null,3,null,null,null,null,null,null,null,5,null,null,null,0,null,8,7,null,null,null,null,8,4,null,5,null,null,7,null,null,null,null,null,6,null,null,null,null,1,7,null,null,null,null,2,null,null,null,4,null,null,null,null,0],"solution":[8,0,5,2,1,4,3,6,7,6,4,7,0,5,3,2,8,1,2,1,3,6,7,8,0,4,5,4,3,8,5,2,7,1,0,6,5,6,2,3,0,1,8,7,4,1,7,0,8,4,6,5,2,3,7,2,4,1,3,0,6,5,8,0,8,1,7,6,5,4,3,2,3,5,6,4,8,2,7,1,0]}
+PUZZLE:
+_ 1 _  _ _ _  _ _ 8
+7 _ _  _ _ 4  _ _ 2
+_ _ _  _ _ 9  _ 5 _
+
+_ 4 _  _ _ _  _ _ _
+6 _ _  _ 1 _  9 8 _
+_ _ _  9 5 _  6 _ _
+
+8 _ _  _ _ _  7 _ _
+_ _ 2  8 _ _  _ _ 3
+_ _ _  5 _ _  _ _ 1
+
+SOLUTION:
+9 1 6  3 2 5  4 7 8
+7 5 8  1 6 4  3 9 2
+3 2 4  7 8 9  1 5 6
+
+5 4 9  6 3 8  2 1 7
+6 7 3  4 1 2  9 8 5
+2 8 1  9 5 7  6 3 4
+
+8 3 5  2 4 1  7 6 9
+1 9 2  8 7 6  5 4 3
+4 6 7  5 9 3  8 2 1
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,2,4,null,null,3,null,null,null,null,null,null,null,5,null,8,2,null,7,null,null,4,null,null,null,6,null,1,null,null,1,null,null,null,null,7,3,5,7,null,null,null,null,3,null,null,null,null,null,null,4,null,null,null,5,null,null,null,null,5,null,8,0,null,3,1,null,null,null,null,7,null,null,null],"solution":[8,6,1,7,4,5,3,0,2,4,2,7,3,0,1,5,8,6,3,0,5,6,8,2,4,7,1,5,4,3,0,7,6,2,1,8,0,1,6,8,2,4,7,3,5,7,8,2,1,5,3,6,4,0,2,3,8,4,6,0,1,5,7,6,7,4,5,1,8,0,2,3,1,5,0,2,3,7,8,6,4]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 3
+5 _ _  4 _ _  _ _ _
+_ _ 6  _ 9 3  _ 8 _
+
+_ 5 _  _ _ 7  _ 2 _
+_ 2 _  _ _ _  8 4 6
+8 _ _  _ _ 4  _ _ _
+
+_ _ _  5 _ _  _ 6 _
+_ _ _  6 _ 9  1 _ 4
+2 _ _  _ _ 8  _ _ _
+
+SOLUTION:
+9 7 2  8 5 6  4 1 3
+5 3 8  4 1 2  6 9 7
+4 1 6  7 9 3  5 8 2
+
+6 5 4  1 8 7  3 2 9
+1 2 7  9 3 5  8 4 6
+8 9 3  2 6 4  7 5 1
+
+3 4 9  5 7 1  2 6 8
+7 8 5  6 2 9  1 3 4
+2 6 1  3 4 8  9 7 5
+
+RATING: 1.5
+DATA:
+{"puzzle":[6,null,null,null,null,null,5,null,null,null,null,null,8,null,null,7,null,4,0,null,null,null,5,6,null,3,null,null,1,2,null,null,null,null,null,null,null,null,3,null,null,4,null,null,8,null,null,null,0,2,null,null,null,null,null,null,null,null,null,null,null,null,1,null,null,8,4,0,null,null,null,null,null,7,null,5,null,null,null,0,null],"solution":[6,3,7,1,4,2,5,8,0,1,2,5,8,3,0,7,6,4,0,8,4,7,5,6,1,3,2,7,1,2,3,8,5,0,4,6,5,0,3,6,1,4,2,7,8,8,4,6,0,2,7,3,1,5,4,6,0,2,7,3,8,5,1,3,5,8,4,0,1,6,2,7,2,7,1,5,6,8,4,0,3]}
+PUZZLE:
+7 _ _  _ _ _  6 _ _
+_ _ _  9 _ _  8 _ 5
+1 _ _  _ 6 7  _ 4 _
+
+_ 2 3  _ _ _  _ _ _
+_ _ 4  _ _ 5  _ _ 9
+_ _ _  1 3 _  _ _ _
 
 _ _ _  _ _ _  _ _ 2
-9 _ _  _ 3 _  _ 6 _
-_ _ 5  _ 6 _  8 9 _
+_ _ 9  5 1 _  _ _ _
+_ 8 _  6 _ _  _ 1 _
 
 SOLUTION:
-5 8 2  1 9 3  7 4 6
-4 9 7  2 8 6  5 1 3
-3 1 6  5 4 7  2 8 9
+7 4 8  2 5 3  6 9 1
+2 3 6  9 4 1  8 7 5
+1 9 5  8 6 7  2 4 3
 
-7 4 3  6 2 1  9 5 8
-6 2 9  4 5 8  1 3 7
-1 5 8  3 7 9  6 2 4
+8 2 3  4 9 6  1 5 7
+6 1 4  7 2 5  3 8 9
+9 5 7  1 3 8  4 2 6
 
-8 6 4  9 1 5  3 7 2
-9 7 1  8 3 2  4 6 5
-2 3 5  7 6 4  8 9 1
+5 7 1  3 8 4  9 6 2
+4 6 9  5 1 2  7 3 8
+3 8 2  6 7 9  5 1 4
 
-RATING: 0
+RATING: 2.75
 DATA:
-{"puzzle":[0,null,7,8,null,4,null,null,2,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,5,null,3,null,null,4,null,null,null,3,null,null,null,3,null,2,7,1,null,null,null,8,null,null,3,null,null,null,null,null,null,null,1,4,0,null,null,null,null,null,7,null,null,null,null,4,5,null,null,null,null,null,null,7,null,2,8],"solution":[0,5,7,8,3,4,6,1,2,3,4,2,6,1,5,8,0,7,1,6,8,7,2,0,5,4,3,7,2,4,0,5,8,3,6,1,6,3,5,2,7,1,0,8,4,8,1,0,3,4,6,2,7,5,5,8,1,4,0,2,7,3,6,2,7,6,1,8,3,4,5,0,4,0,3,5,6,7,1,2,8]}
+{"puzzle":[null,null,null,null,2,5,null,null,0,null,null,null,null,null,0,null,null,null,null,null,6,null,7,null,1,8,2,null,null,1,null,null,null,null,null,null,null,null,null,null,0,3,null,null,null,7,null,null,2,null,null,6,3,null,null,null,null,null,null,7,2,6,null,null,null,8,null,6,null,null,5,4,null,5,null,null,null,null,null,null,null],"solution":[1,8,7,6,2,5,3,4,0,4,2,3,8,1,0,5,7,6,5,0,6,3,7,4,1,8,2,2,3,1,4,5,6,8,0,7,8,6,5,7,0,3,4,2,1,7,4,0,2,8,1,6,3,5,0,1,4,5,3,7,2,6,8,3,7,8,1,6,2,0,5,4,6,5,2,0,4,8,7,1,3]}
 PUZZLE:
-1 _ 8  9 _ 5  _ _ 3
-_ _ _  _ _ _  _ 1 _
-_ _ _  _ _ _  6 _ 4
+_ _ _  _ 3 6  _ _ 1
+_ _ _  _ _ 1  _ _ _
+_ _ 7  _ 8 _  2 9 3
 
-_ _ 5  _ _ _  4 _ _
-_ 4 _  3 8 2  _ _ _
-9 _ _  4 _ _  _ _ _
+_ _ 2  _ _ _  _ _ _
+_ _ _  _ 1 4  _ _ _
+8 _ _  3 _ _  7 4 _
 
-_ _ 2  5 1 _  _ _ _
-_ 8 _  _ _ _  5 6 _
-_ _ _  _ _ 8  _ 3 9
+_ _ _  _ _ 8  3 7 _
+_ _ 9  _ 7 _  _ 6 5
+_ 6 _  _ _ _  _ _ _
 
 SOLUTION:
-1 6 8  9 4 5  7 2 3
-4 5 3  7 2 6  9 1 8
-2 7 9  8 3 1  6 5 4
+2 9 8  7 3 6  4 5 1
+5 3 4  9 2 1  6 8 7
+6 1 7  4 8 5  2 9 3
 
-8 3 5  1 6 9  4 7 2
-7 4 6  3 8 2  1 9 5
-9 2 1  4 5 7  3 8 6
+3 4 2  5 6 7  9 1 8
+9 7 6  8 1 4  5 3 2
+8 5 1  3 9 2  7 4 6
 
-6 9 2  5 1 3  8 4 7
-3 8 7  2 9 4  5 6 1
-5 1 4  6 7 8  2 3 9
+1 2 5  6 4 8  3 7 9
+4 8 9  2 7 3  1 6 5
+7 6 3  1 5 9  8 2 4
 
-RATING: 0
+RATING: 1.5
 DATA:
-{"puzzle":[null,null,null,5,null,4,3,null,null,null,0,null,null,null,null,null,null,5,null,null,5,2,null,null,4,null,null,3,null,0,null,null,null,null,2,null,7,null,null,null,4,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,4,7,null,null,null,null,1,8,null,null,0,null,7,null,null,null,null,null,null,1,null,null,8,2],"solution":[2,7,1,5,6,4,3,0,8,8,0,4,7,3,1,2,6,5,6,3,5,2,8,0,4,7,1,3,4,0,1,5,6,8,2,7,7,2,6,8,4,3,5,1,0,5,1,8,0,2,7,6,4,3,0,5,2,4,7,8,1,3,6,1,8,3,6,0,2,7,5,4,4,6,7,3,1,5,0,8,2]}
+{"puzzle":[0,null,null,null,null,4,null,2,1,null,5,null,null,null,null,null,4,null,null,null,null,5,null,null,0,null,6,7,null,null,null,null,null,6,null,5,null,null,null,7,8,null,1,null,null,null,3,0,null,null,null,null,null,null,null,null,8,null,2,null,null,null,null,null,4,3,null,null,null,null,6,null,null,null,null,null,null,1,7,null,null],"solution":[0,8,7,6,3,4,5,2,1,3,5,6,2,1,0,8,4,7,2,1,4,5,7,8,0,3,6,7,2,1,4,0,3,6,8,5,4,6,5,7,8,2,1,0,3,8,3,0,1,6,5,4,7,2,5,7,8,0,2,6,3,1,4,1,4,3,8,5,7,2,6,0,6,0,2,3,4,1,7,5,8]}
 PUZZLE:
-_ _ _  6 _ 5  4 _ _
-_ 1 _  _ _ _  _ _ 6
-_ _ 6  3 _ _  5 _ _
+1 _ _  _ _ 5  _ 3 2
+_ 6 _  _ _ _  _ 5 _
+_ _ _  6 _ _  1 _ 7
 
-4 _ 1  _ _ _  _ 3 _
-8 _ _  _ 5 _  _ _ _
+8 _ _  _ _ _  7 _ 6
+_ _ _  8 9 _  2 _ _
+_ 4 1  _ _ _  _ _ _
+
+_ _ 9  _ 3 _  _ _ _
+_ 5 4  _ _ _  _ 7 _
+_ _ _  _ _ 2  8 _ _
+
+SOLUTION:
+1 9 8  7 4 5  6 3 2
+4 6 7  3 2 1  9 5 8
+3 2 5  6 8 9  1 4 7
+
+8 3 2  5 1 4  7 9 6
+5 7 6  8 9 3  2 1 4
+9 4 1  2 7 6  5 8 3
+
+6 8 9  1 3 7  4 2 5
+2 5 4  9 6 8  3 7 1
+7 1 3  4 5 2  8 6 9
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,4,3,null,null,null,null,null,1,null,null,null,null,null,0,null,null,null,null,1,null,null,4,null,null,null,7,6,null,2,8,null,null,5,3,null,null,5,1,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,2,0,null,null,null,null,null,4,null,8,null,null,7,2,null,null,null,0,null,null,null,null,null,null,6,null,null],"solution":[0,4,3,2,5,7,8,6,1,7,2,8,6,1,0,4,5,3,5,1,6,3,4,8,2,0,7,6,7,2,8,0,1,5,3,4,3,5,1,4,7,2,0,8,6,4,8,0,5,6,3,1,7,2,2,0,5,1,3,6,7,4,8,8,6,4,7,2,5,3,1,0,1,3,7,0,8,4,6,2,5]}
+PUZZLE:
+_ 5 4  _ _ _  _ _ 2
+_ _ _  _ _ 1  _ _ _
+_ 2 _  _ 5 _  _ _ 8
+
+7 _ 3  9 _ _  6 4 _
+_ 6 2  _ _ _  _ _ _
+_ _ _  _ 7 _  _ _ _
+
+3 1 _  _ _ _  _ 5 _
+9 _ _  8 3 _  _ _ 1
 _ _ _  _ _ _  7 _ _
 
-_ _ _  5 8 _  _ _ _
-2 9 _  _ 1 _  8 _ _
-_ _ _  _ 2 _  _ 9 3
-
 SOLUTION:
-3 8 2  6 7 5  4 1 9
-9 1 5  8 4 2  3 7 6
-7 4 6  3 9 1  5 8 2
+1 5 4  3 6 8  9 7 2
+8 3 9  7 2 1  5 6 4
+6 2 7  4 5 9  3 1 8
 
-4 5 1  2 6 7  9 3 8
-8 3 7  9 5 4  6 2 1
-6 2 9  1 3 8  7 5 4
+7 8 3  9 1 2  6 4 5
+4 6 2  5 8 3  1 9 7
+5 9 1  6 7 4  2 8 3
 
-1 6 3  5 8 9  2 4 7
-2 9 4  7 1 3  8 6 5
-5 7 8  4 2 6  1 9 3
+3 1 6  2 4 7  8 5 9
+9 7 5  8 3 6  4 2 1
+2 4 8  1 9 5  7 3 6
 
 RATING: 0
 DATA:
-{"puzzle":[6,null,null,null,7,null,null,null,null,4,null,null,6,1,null,null,5,null,null,null,0,null,null,5,3,null,null,null,null,null,null,null,null,null,null,1,null,0,2,null,null,7,null,6,null,null,7,null,null,null,null,2,null,8,null,8,null,null,null,null,null,4,7,null,1,null,8,3,null,null,null,null,0,null,null,null,null,null,null,null,null],"solution":[6,5,1,3,7,2,0,8,4,4,3,8,6,1,0,7,5,2,7,2,0,4,8,5,3,1,6,3,6,5,2,0,8,4,7,1,8,0,2,1,4,7,5,6,3,1,7,4,5,6,3,2,0,8,2,8,3,0,5,6,1,4,7,5,1,7,8,3,4,6,2,0,0,4,6,7,2,1,8,3,5]}
+{"puzzle":[6,null,2,null,8,null,0,null,null,3,null,null,7,null,null,null,null,null,8,null,null,null,null,2,7,null,null,null,null,null,null,null,6,8,null,1,1,null,null,null,4,null,2,null,null,null,null,3,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,7,2,null,4,3,6,null,null,null,null,3,null,7,null,5,null],"solution":[6,7,2,4,8,5,0,1,3,3,4,5,7,0,1,6,8,2,8,0,1,6,3,2,7,4,5,4,2,0,5,7,6,8,3,1,1,5,8,0,4,3,2,7,6,7,6,3,1,2,8,5,0,4,5,3,4,8,6,0,1,2,7,0,1,7,2,5,4,3,6,8,2,8,6,3,1,7,4,5,0]}
 PUZZLE:
-7 _ _  _ 8 _  _ _ _
-5 _ _  7 2 _  _ 6 _
-_ _ 1  _ _ 6  4 _ _
+7 _ 3  _ 9 _  1 _ _
+4 _ _  8 _ _  _ _ _
+9 _ _  _ _ 3  8 _ _
+
+_ _ _  _ _ 7  9 _ 2
+2 _ _  _ 5 _  3 _ _
+_ _ 4  _ _ _  _ _ _
+
+_ _ _  _ 7 _  _ _ _
+_ _ 8  3 _ 5  4 7 _
+_ _ _  4 _ 8  _ 6 _
+
+SOLUTION:
+7 8 3  5 9 6  1 2 4
+4 5 6  8 1 2  7 9 3
+9 1 2  7 4 3  8 5 6
+
+5 3 1  6 8 7  9 4 2
+2 6 9  1 5 4  3 8 7
+8 7 4  2 3 9  6 1 5
+
+6 4 5  9 7 1  2 3 8
+1 2 8  3 6 5  4 7 9
+3 9 7  4 2 8  5 6 1
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,3,4,1,null,null,8,6,null,6,7,null,5,null,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,8,6,null,null,null,7,1,null,null,null,null,null,7,null,null,2,null,null,6,null,null,4,null,8,null,0,6,null,null,null,null,null,4,null,4,null,null,7,null,null,1,null,null,null,null,null,4,null,null,null,null,null],"solution":[2,3,4,1,7,0,8,6,5,6,7,1,5,4,8,2,3,0,8,5,0,3,6,2,7,1,4,3,0,8,6,2,5,4,7,1,1,4,5,8,3,7,6,0,2,7,2,6,0,1,4,5,8,3,0,6,7,2,5,1,3,4,8,4,8,2,7,0,3,1,5,6,5,1,3,4,8,6,0,2,7]}
+PUZZLE:
+_ 4 5  2 _ _  9 7 _
+7 8 _  6 _ _  _ _ _
+_ _ _  _ _ 3  _ _ _
+
+_ _ 9  7 _ _  _ 8 2
+_ _ _  _ _ 8  _ _ 3
+_ _ 7  _ _ 5  _ 9 _
+
+1 7 _  _ _ _  _ 5 _
+5 _ _  8 _ _  2 _ _
+_ _ _  5 _ _  _ _ _
+
+SOLUTION:
+3 4 5  2 8 1  9 7 6
+7 8 2  6 5 9  3 4 1
+9 6 1  4 7 3  8 2 5
+
+4 1 9  7 3 6  5 8 2
+2 5 6  9 4 8  7 1 3
+8 3 7  1 2 5  6 9 4
+
+1 7 8  3 6 2  4 5 9
+5 9 3  8 1 4  2 6 7
+6 2 4  5 9 7  1 3 8
+
+RATING: 3.75
+DATA:
+{"puzzle":[6,null,null,null,3,null,0,5,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,8,6,null,1,null,null,null,null,5,null,1,null,null,null,null,null,null,null,null,null,0,7,2,4,1,null,7,null,null,null,null,5,7,null,null,null,6,null,2,null,null,null,2,null,null,null,null,null,5,8,6,0,7,null,null,null,null,null],"solution":[6,1,7,4,3,2,0,5,8,0,8,5,1,6,7,2,4,3,4,2,3,5,0,8,6,7,1,7,0,8,6,5,4,1,3,2,3,5,6,2,8,1,4,0,7,2,4,1,0,7,3,5,8,6,5,7,4,3,1,6,8,2,0,1,3,2,8,4,0,7,6,5,8,6,0,7,2,5,3,1,4]}
+PUZZLE:
+7 _ _  _ 4 _  1 6 _
+_ _ _  _ _ _  3 _ _
+_ _ _  _ _ 9  7 _ 2
+
+_ _ _  _ 6 _  2 _ _
+_ _ _  _ _ _  _ 1 8
+3 5 2  _ 8 _  _ _ _
+
+6 8 _  _ _ 7  _ 3 _
+_ _ 3  _ _ _  _ _ 6
+9 7 1  8 _ _  _ _ _
+
+SOLUTION:
+7 2 8  5 4 3  1 6 9
+1 9 6  2 7 8  3 5 4
+5 3 4  6 1 9  7 8 2
+
+8 1 9  7 6 5  2 4 3
+4 6 7  3 9 2  5 1 8
+3 5 2  1 8 4  6 9 7
+
+6 8 5  4 2 7  9 3 1
+2 4 3  9 5 1  8 7 6
+9 7 1  8 3 6  4 2 5
+
+RATING: 2
+DATA:
+{"puzzle":[null,4,3,null,null,null,1,7,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,1,2,null,4,null,null,null,null,null,0,null,null,null,3,null,null,6,null,null,null,null,null,7,null,null,null,null,null,null,0,1,null,null,2,null,1,null,null,5,null,4,null,null,null,7,null,null,null,null,null,null,null,0,8,4,null,null,6],"solution":[6,4,3,8,0,2,1,7,5,1,2,5,7,4,3,6,8,0,8,0,7,5,6,1,2,3,4,2,8,4,1,3,0,5,6,7,3,1,0,6,5,7,8,4,2,7,5,6,4,2,8,3,0,1,0,7,2,3,1,6,4,5,8,4,6,8,2,7,5,0,1,3,5,3,1,0,8,4,7,2,6]}
+PUZZLE:
+_ 5 4  _ _ _  2 8 _
+_ _ 6  _ _ _  _ _ _
+_ _ _  _ _ 2  3 _ 5
+
+_ _ _  _ _ 1  _ _ _
+4 _ _  7 _ _  _ _ _
+8 _ _  _ _ _  _ 1 2
+
+_ _ 3  _ 2 _  _ 6 _
+5 _ _  _ 8 _  _ _ _
+_ _ _  1 9 5  _ _ 7
+
+SOLUTION:
+7 5 4  9 1 3  2 8 6
+2 3 6  8 5 4  7 9 1
+9 1 8  6 7 2  3 4 5
+
+3 9 5  2 4 1  6 7 8
+4 2 1  7 6 8  9 5 3
+8 6 7  5 3 9  4 1 2
+
+1 8 3  4 2 7  5 6 9
+5 7 9  3 8 6  1 2 4
+6 4 2  1 9 5  8 3 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,null,7,null,2,null,null,null,null,6,2,null,null,null,null,null,null,null,null,8,3,null,null,null,4,null,5,null,4,null,8,null,null,null,6,null,null,null,null,null,null,8,null,null,null,null,null,null,null,null,0,null,5,null,null,null,1,2,null,null,null,7,7,null,3,null,null,null,null,null,null,8,1,null,null,6,null,null,null,2],"solution":[3,5,0,7,4,2,6,1,8,4,6,2,0,1,8,7,5,3,1,7,8,3,5,6,2,4,0,5,3,4,2,8,0,1,7,6,6,0,7,5,3,1,8,2,4,2,8,1,6,7,4,0,3,5,0,4,6,1,2,3,5,8,7,7,2,3,8,0,5,4,6,1,8,1,5,4,6,7,3,0,2]}
+PUZZLE:
+_ _ _  8 _ 3  _ _ _
+_ 7 3  _ _ _  _ _ _
+_ _ 9  4 _ _  _ 5 _
+
+6 _ 5  _ 9 _  _ _ 7
+_ _ _  _ _ _  9 _ _
+_ _ _  _ _ _  1 _ 6
+
+_ _ _  2 3 _  _ _ 8
+8 _ 4  _ _ _  _ _ _
+9 2 _  _ 7 _  _ _ 3
+
+SOLUTION:
+4 6 1  8 5 3  7 2 9
+5 7 3  1 2 9  8 6 4
+2 8 9  4 6 7  3 5 1
+
+6 4 5  3 9 1  2 8 7
+7 1 8  6 4 2  9 3 5
+3 9 2  7 8 5  1 4 6
+
+1 5 7  2 3 4  6 9 8
+8 3 4  9 1 6  5 7 2
+9 2 6  5 7 8  4 1 3
+
+RATING: 1.25
+DATA:
+{"puzzle":[6,null,null,null,null,0,null,null,null,null,0,null,null,null,null,null,3,6,2,null,3,null,null,null,null,0,null,5,null,null,3,null,8,4,null,2,null,null,null,null,null,5,7,null,null,null,7,null,4,null,null,null,null,1,null,null,null,null,6,null,null,2,null,null,null,null,null,2,null,1,7,null,null,null,null,1,null,null,null,null,8],"solution":[6,8,5,7,3,0,2,1,4,7,0,1,5,4,2,8,3,6,2,4,3,6,8,1,5,0,7,5,1,0,3,7,8,4,6,2,4,3,6,2,1,5,7,8,0,8,7,2,4,0,6,3,5,1,1,5,4,8,6,7,0,2,3,3,6,8,0,2,4,1,7,5,0,2,7,1,5,3,6,4,8]}
+PUZZLE:
+7 _ _  _ _ 1  _ _ _
+_ 1 _  _ _ _  _ 4 7
+3 _ 4  _ _ _  _ 1 _
+
+6 _ _  4 _ 9  5 _ 3
+_ _ _  _ _ 6  8 _ _
+_ 8 _  5 _ _  _ _ 2
+
+_ _ _  _ 7 _  _ 3 _
+_ _ _  _ 3 _  2 8 _
+_ _ _  2 _ _  _ _ 9
+
+SOLUTION:
+7 9 6  8 4 1  3 2 5
+8 1 2  6 5 3  9 4 7
+3 5 4  7 9 2  6 1 8
+
+6 2 1  4 8 9  5 7 3
+5 4 7  3 2 6  8 9 1
+9 8 3  5 1 7  4 6 2
+
+2 6 5  9 7 8  1 3 4
+4 7 9  1 3 5  2 8 6
+1 3 8  2 6 4  7 5 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,7,5,null,null,3,null,null,null,4,0,null,null,6,null,0,null,null,null,null,3,null,null,4,null,5,null,null,null,null,7,null,null,7,null,null,null,null,null,null,null,8,null,0,null,8,null,null,null,5,null,null,7,3,null,null,2,null,0,null,null,null,null,1,null,null,null,null,null,8,2,null,null,null,6,null,null,1],"solution":[4,1,6,2,7,5,0,8,3,2,3,7,4,0,8,1,6,5,0,8,5,6,1,3,2,7,4,6,5,8,3,2,4,7,1,0,7,4,2,0,5,1,6,3,8,3,0,1,8,6,7,4,5,2,1,7,3,5,4,2,8,0,6,5,6,4,1,8,0,3,2,7,8,2,0,7,3,6,5,4,1]}
+PUZZLE:
+_ _ _  _ 8 6  _ _ 4
+_ _ _  5 1 _  _ 7 _
+1 _ _  _ _ 4  _ _ 5
+
+_ 6 _  _ _ _  8 _ _
+8 _ _  _ _ _  _ _ 9
+_ 1 _  9 _ _  _ 6 _
+
+_ 8 4  _ _ 3  _ 1 _
+_ _ _  2 _ _  _ _ _
+9 3 _  _ _ 7  _ _ 2
+
+SOLUTION:
+5 2 7  3 8 6  1 9 4
+3 4 8  5 1 9  2 7 6
+1 9 6  7 2 4  3 8 5
+
+7 6 9  4 3 5  8 2 1
+8 5 3  1 6 2  7 4 9
+4 1 2  9 7 8  5 6 3
+
+2 8 4  6 5 3  9 1 7
+6 7 5  2 9 1  4 3 8
+9 3 1  8 4 7  6 5 2
+
+RATING: 1
+DATA:
+{"puzzle":[5,null,2,null,null,null,3,null,1,null,null,3,null,5,8,null,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,1,null,5,0,6,null,null,8,null,null,null,null,4,null,2,null,null,null,null,null,1,null,2,7,5,null,null,4,null,null,null,null,3,null,7,null,null,6,null,null,1,null,null,null,null,2,null,null,null],"solution":[5,8,2,4,0,6,3,7,1,7,0,3,1,5,8,4,6,2,4,1,6,3,2,7,0,8,5,3,4,7,2,6,1,8,5,0,6,5,1,8,7,0,2,3,4,8,2,0,5,4,3,7,1,6,2,7,5,6,8,4,1,0,3,0,3,4,7,1,5,6,2,8,1,6,8,0,3,2,5,4,7]}
+PUZZLE:
+6 _ 3  _ _ _  4 _ 2
+_ _ 4  _ 6 9  _ _ _
+_ _ _  _ _ 8  _ _ _
+
+_ _ _  _ _ 2  _ 6 1
+7 _ _  9 _ _  _ _ 5
+_ 3 _  _ _ _  _ 2 _
+
+3 8 6  _ _ 5  _ _ _
+_ 4 _  8 _ _  7 _ _
+2 _ _  _ _ 3  _ _ _
+
+SOLUTION:
+6 9 3  5 1 7  4 8 2
+8 1 4  2 6 9  5 7 3
+5 2 7  4 3 8  1 9 6
+
+4 5 8  3 7 2  9 6 1
+7 6 2  9 8 1  3 4 5
+9 3 1  6 5 4  8 2 7
+
+3 8 6  7 9 5  2 1 4
+1 4 5  8 2 6  7 3 9
+2 7 9  1 4 3  6 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,null,null,null,null,null,null,null,8,null,1,null,null,null,null,5,null,null,null,null,4,7,null,8,6,null,null,null,null,null,null,null,null,null,null,6,3,null,null,null,null,null,null,null,null,null,0,null,5,null,6,null,3,null,null,null,null,8,null,null,null,null,null,null,null,2,null,4,1,null,null,0,4,5,null,6,2,null,null],"solution":[6,3,1,8,5,2,0,7,4,4,8,7,1,6,0,3,2,5,0,2,5,3,4,7,1,8,6,2,7,0,6,8,1,5,4,3,5,6,3,2,7,4,8,0,1,1,4,8,0,3,5,7,6,2,3,1,2,4,0,8,6,5,7,8,5,6,7,2,3,4,1,0,7,0,4,5,1,6,2,3,8]}
+PUZZLE:
+_ _ 2  _ _ _  _ _ _
+_ 9 _  2 _ _  _ _ 6
+_ _ _  _ 5 8  _ 9 7
+
+_ _ _  _ _ _  _ _ _
+_ 7 4  _ _ _  _ _ _
+_ _ _  1 _ 6  _ 7 _
+
+4 _ _  _ _ 9  _ _ _
+_ _ _  _ 3 _  5 2 _
+_ 1 5  6 _ 7  3 _ _
+
+SOLUTION:
+7 4 2  9 6 3  1 8 5
+5 9 8  2 7 1  4 3 6
+1 3 6  4 5 8  2 9 7
+
+3 8 1  7 9 2  6 5 4
+6 7 4  3 8 5  9 1 2
+2 5 9  1 4 6  8 7 3
+
+4 2 3  5 1 9  7 6 8
+9 6 7  8 3 4  5 2 1
+8 1 5  6 2 7  3 4 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,4,null,null,null,8,null,null,null,7,null,null,1,6,null,3,null,null,null,null,5,null,8,null,null,6,null,6,null,null,null,1,null,null,null,1,0,null,null,null,null,3,null,null,7,null,8,null,0,null,null,null,null,4,null,null,null,6,null,0,null,8,null,null,null,2,null,null,null,5,4,null,null,null,null,null,null,null,2,null],"solution":[6,5,4,0,3,2,8,1,7,8,7,0,4,1,6,5,3,2,2,3,1,5,7,8,4,0,6,5,6,3,8,2,1,7,4,0,1,0,2,6,4,7,3,8,5,7,4,8,3,0,5,2,6,1,4,2,5,1,6,3,0,7,8,3,1,7,2,8,0,6,5,4,0,8,6,7,5,4,1,2,3]}
+PUZZLE:
+_ _ 5  _ _ _  9 _ _
+_ 8 _  _ 2 7  _ 4 _
+_ _ _  6 _ 9  _ _ 7
+
+_ 7 _  _ _ 2  _ _ _
+2 1 _  _ _ _  4 _ _
+8 _ 9  _ 1 _  _ _ _
+
+5 _ _  _ 7 _  1 _ 9
+_ _ _  3 _ _  _ 6 5
+_ _ _  _ _ _  _ 3 _
+
+SOLUTION:
+7 6 5  1 4 3  9 2 8
+9 8 1  5 2 7  6 4 3
+3 4 2  6 8 9  5 1 7
+
+6 7 4  9 3 2  8 5 1
+2 1 3  7 5 8  4 9 6
+8 5 9  4 1 6  3 7 2
+
+5 3 6  2 7 4  1 8 9
+4 2 8  3 9 1  7 6 5
+1 9 7  8 6 5  2 3 4
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,null,null,null,null,null,null,2,5,null,8,1,null,null,null,3,8,null,null,null,5,5,null,null,null,null,null,4,null,3,4,null,null,2,null,null,null,null,null,1,0,8,null,null,null,null,null,2,2,null,null,null,null,0,null,null,4,null,6,null,5,null,null,3,null,null,7,1,null,null,null,2,null,null,null],"solution":[6,8,5,7,1,4,2,3,0,3,4,7,0,2,5,6,8,1,0,2,1,3,8,6,7,4,5,5,7,2,1,0,8,4,6,3,4,3,6,2,5,7,1,0,8,1,0,8,4,6,3,5,7,2,2,5,3,6,7,0,8,1,4,8,6,0,5,4,1,3,2,7,7,1,4,8,3,2,0,5,6]}
+PUZZLE:
+_ _ _  _ _ 5  _ _ _
+_ _ _  _ 3 6  _ 9 2
+_ _ _  4 9 _  _ _ 6
+
+6 _ _  _ _ _  5 _ 4
+5 _ _  3 _ _  _ _ _
+2 1 9  _ _ _  _ _ 3
+
+3 _ _  _ _ 1  _ _ 5
+_ 7 _  6 _ _  4 _ _
+8 2 _  _ _ 3  _ _ _
+
+SOLUTION:
+7 9 6  8 2 5  3 4 1
+4 5 8  1 3 6  7 9 2
+1 3 2  4 9 7  8 5 6
+
+6 8 3  2 1 9  5 7 4
+5 4 7  3 6 8  2 1 9
+2 1 9  5 7 4  6 8 3
+
+3 6 4  7 8 1  9 2 5
+9 7 1  6 5 2  4 3 8
+8 2 5  9 4 3  1 6 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[7,null,null,1,4,null,3,null,null,null,3,6,8,null,null,null,null,null,1,8,null,null,null,7,null,0,null,null,null,4,3,null,null,8,null,null,null,null,0,null,null,2,null,7,null,null,null,null,null,null,null,null,1,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,null,5,null,null,8,5,null,null,null,null,1,null,null],"solution":[7,0,2,1,4,5,3,8,6,4,3,6,8,2,0,7,5,1,1,8,5,6,3,7,2,0,4,5,7,4,3,6,1,8,2,0,6,1,0,5,8,2,4,7,3,3,2,8,0,7,4,6,1,5,2,4,1,7,5,6,0,3,8,0,6,3,2,1,8,5,4,7,8,5,7,4,0,3,1,6,2]}
+PUZZLE:
+8 _ _  2 5 _  4 _ _
+_ 4 7  9 _ _  _ _ _
+2 9 _  _ _ 8  _ 1 _
+
+_ _ 5  4 _ _  9 _ _
+_ _ 1  _ _ 3  _ 8 _
+_ _ _  _ _ _  _ 2 _
+
+_ _ _  _ _ 7  _ _ _
+_ _ _  _ _ _  6 _ _
+9 6 _  _ _ _  2 _ _
+
+SOLUTION:
+8 1 3  2 5 6  4 9 7
+5 4 7  9 3 1  8 6 2
+2 9 6  7 4 8  3 1 5
+
+6 8 5  4 7 2  9 3 1
+7 2 1  6 9 3  5 8 4
+4 3 9  1 8 5  7 2 6
+
+3 5 2  8 6 7  1 4 9
+1 7 4  3 2 9  6 5 8
+9 6 8  5 1 4  2 7 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,null,7,null,null,null,null,null,null,5,null,0,null,null,null,null,1,2,null,null,null,null,0,null,null,null,null,3,null,8,null,null,4,null,null,0,null,1,null,null,3,5,null,null,null,null,6,null,null,null,3,null,null,null,null,5,null,6,null,null,8,3,null,null,null,null,null,2,null,null,6,null,7,null,null],"solution":[3,8,0,4,5,6,1,2,7,2,1,6,7,8,3,5,4,0,5,4,7,0,1,2,6,8,3,1,0,2,6,4,5,3,7,8,8,6,4,3,7,0,2,1,5,7,3,5,1,2,8,0,6,4,4,7,3,2,0,1,8,5,6,6,5,1,8,3,7,4,0,2,0,2,8,5,6,4,7,3,1]}
+PUZZLE:
+_ _ _  5 _ _  _ _ 8
+_ _ _  _ _ _  6 _ 1
+_ _ _  _ 2 3  _ _ _
+
+_ 1 _  _ _ _  4 _ 9
+_ _ 5  _ _ 1  _ 2 _
+_ 4 6  _ _ _  _ 7 _
+
+_ _ 4  _ _ _  _ 6 _
+7 _ _  9 4 _  _ _ _
+_ 3 _  _ 7 _  8 _ _
+
+SOLUTION:
+4 9 1  5 6 7  2 3 8
+3 2 7  8 9 4  6 5 1
+6 5 8  1 2 3  7 9 4
+
+2 1 3  7 5 6  4 8 9
+9 7 5  4 8 1  3 2 6
+8 4 6  2 3 9  1 7 5
+
+5 8 4  3 1 2  9 6 7
+7 6 2  9 4 8  5 1 3
+1 3 9  6 7 5  8 4 2
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,null,null,8,null,null,1,null,5,null,null,7,null,3,null,4,null,3,1,null,null,6,2,null,5,0,null,null,2,3,null,null,null,null,7,null,null,null,null,null,4,6,null,null,null,null,0,null,null,null,null,null,2,4,null,8,null,null,null,null,null,null,null,6,null,2,null,null,null,null,null,null,null,null,null,3,null,null,null],"solution":[4,7,2,3,5,8,6,0,1,6,5,0,1,7,2,3,8,4,8,3,1,4,0,6,2,7,5,0,6,8,2,3,4,5,1,7,7,2,3,5,8,1,4,6,0,5,1,4,0,6,7,8,2,3,2,4,5,8,1,0,7,3,6,3,0,6,7,2,5,1,4,8,1,8,7,6,4,3,0,5,2]}
+PUZZLE:
+_ _ _  _ _ 9  _ _ 2
+_ 6 _  _ 8 _  4 _ 5
+_ 4 2  _ _ 7  3 _ 6
+
+1 _ _  3 4 _  _ _ _
+8 _ _  _ _ _  5 7 _
+_ _ _  1 _ _  _ _ _
+
+3 5 _  9 _ _  _ _ _
+_ _ 7  _ 3 _  _ _ _
+_ _ _  _ _ 4  _ _ _
+
+SOLUTION:
+5 8 3  4 6 9  7 1 2
+7 6 1  2 8 3  4 9 5
+9 4 2  5 1 7  3 8 6
+
+1 7 9  3 4 5  6 2 8
+8 3 4  6 9 2  5 7 1
+6 2 5  1 7 8  9 3 4
+
+3 5 6  9 2 1  8 4 7
+4 1 7  8 3 6  2 5 9
+2 9 8  7 5 4  1 6 3
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,5,null,null,6,null,null,null,6,null,null,null,2,null,null,null,null,2,3,null,5,null,null,null,null,null,null,4,7,null,null,null,null,null,5,null,null,null,8,null,4,7,3,0,null,null,0,2,null,null,null,null,8,null,0,null,null,6,7,null,8,null,null,null,null,null,5,3,null,null,7,null,null,null,null,null,null,null,null,4],"solution":[0,7,5,3,4,6,8,2,1,6,8,4,7,2,1,0,5,3,2,3,1,5,0,8,4,7,6,8,4,7,6,3,0,2,1,5,5,6,2,8,1,4,7,3,0,3,1,0,2,7,5,6,4,8,1,0,3,4,6,7,5,8,2,4,2,8,0,5,3,1,6,7,7,5,6,1,8,2,3,0,4]}
+PUZZLE:
+_ _ 6  _ _ 7  _ _ _
+7 _ _  _ 3 _  _ _ _
+3 4 _  6 _ _  _ _ _
+
+_ 5 8  _ _ _  _ _ 6
+_ _ _  9 _ 5  8 4 1
+_ _ 1  3 _ _  _ _ 9
+
+_ 1 _  _ 7 8  _ 9 _
+_ _ _  _ 6 4  _ _ 8
+_ _ _  _ _ _  _ _ 5
+
+SOLUTION:
+1 8 6  4 5 7  9 3 2
+7 9 5  8 3 2  1 6 4
+3 4 2  6 1 9  5 8 7
+
+9 5 8  7 4 1  3 2 6
+6 7 3  9 2 5  8 4 1
+4 2 1  3 8 6  7 5 9
+
+2 1 4  5 7 8  6 9 3
+5 3 9  1 6 4  2 7 8
+8 6 7  2 9 3  4 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,null,null,null,0,null,null,null,null,1,null,null,null,3,null,null,5,2,null,null,6,null,null,8,null,6,null,3,null,5,null,1,null,4,null,null,8,null,null,null,null,null,null,7,null,null,4,null,0,null,null,null,null,null,null,3,7,null,null,1,null,null,null,null,0,null,null,null,7,null,0,6,null,8,null,null,null,null,null],"solution":[4,3,6,2,8,7,0,5,1,8,7,1,5,0,4,3,6,2,5,2,0,1,6,3,4,8,7,6,0,3,7,5,8,1,2,4,1,4,8,6,3,2,7,0,5,7,5,2,4,1,0,8,3,6,2,8,4,3,7,5,6,1,0,3,1,5,0,4,6,2,7,8,0,6,7,8,2,1,5,4,3]}
+PUZZLE:
+_ 4 _  _ _ _  1 _ _
+_ _ 2  _ _ _  4 _ _
+6 3 _  _ 7 _  _ 9 _
+
+7 _ 4  _ 6 _  2 _ 5
+_ _ 9  _ _ _  _ _ _
+8 _ _  5 _ 1  _ _ _
+
+_ _ _  4 8 _  _ 2 _
+_ _ _  1 _ _  _ 8 _
+1 7 _  9 _ _  _ _ _
+
+SOLUTION:
+5 4 7  3 9 8  1 6 2
+9 8 2  6 1 5  4 7 3
+6 3 1  2 7 4  5 9 8
+
+7 1 4  8 6 9  2 3 5
+2 5 9  7 4 3  8 1 6
+8 6 3  5 2 1  9 4 7
+
+3 9 5  4 8 6  7 2 1
+4 2 6  1 5 7  3 8 9
+1 7 8  9 3 2  6 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,5,0,null,null,3,null,null,null,null,null,null,8,null,null,null,null,null,7,null,null,2,4,8,null,null,null,1,3,null,null,8,null,null,null,null,null,null,null,5,null,7,null,null,2,null,8,null,null,null,4,6,1,null,3,null,6,7,null,null,null,null,null,null,null,null,1,6,null,null,null,null,null,0,null,null,null,null,null],"solution":[4,8,2,5,0,6,1,3,7,3,1,0,7,4,8,2,6,5,5,6,7,1,3,2,4,8,0,6,0,1,3,7,4,8,5,2,8,3,4,6,2,5,0,7,1,7,2,5,8,1,0,3,4,6,1,4,3,2,6,7,5,0,8,0,7,8,4,5,1,6,2,3,2,5,6,0,8,3,7,1,4]}
+PUZZLE:
+_ 9 _  6 1 _  _ 4 _
+_ _ _  _ _ 9  _ _ _
+_ _ 8  _ _ 3  5 9 _
+
+_ _ 2  4 _ _  9 _ _
+_ _ _  _ _ 6  _ 8 _
+_ 3 _  9 _ _  _ 5 7
+
+2 _ 4  _ 7 8  _ _ _
+_ _ _  _ _ 2  7 _ _
+_ _ _  1 _ _  _ _ _
+
+SOLUTION:
+5 9 3  6 1 7  2 4 8
+4 2 1  8 5 9  3 7 6
+6 7 8  2 4 3  5 9 1
+
+7 1 2  4 8 5  9 6 3
+9 4 5  7 3 6  1 8 2
+8 3 6  9 2 1  4 5 7
+
+2 5 4  3 7 8  6 1 9
+1 8 9  5 6 2  7 3 4
+3 6 7  1 9 4  8 2 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,1,null,0,null,null,null,1,null,6,null,null,7,null,2,null,3,0,2,null,null,null,null,8,null,null,null,null,null,null,null,null,1,null,5,8,null,null,0,null,6,null,7,null,null,null,null,null,null,8,null,6,null,null,7,null,null,null,null,null,null,null,null,null,null,null,4,null,null,1,null,4,null,null,3,null,null,null],"solution":[2,6,7,3,1,8,0,4,5,8,1,5,6,0,4,7,3,2,4,3,0,2,5,7,6,1,8,0,4,6,5,8,2,3,7,1,3,5,8,1,7,0,2,6,4,7,2,1,4,3,6,5,8,0,6,8,2,7,4,5,1,0,3,5,0,3,8,6,1,4,2,7,1,7,4,0,2,3,8,5,6]}
+PUZZLE:
+_ _ _  _ 2 _  1 _ _
+_ 2 _  7 _ _  8 _ 3
+_ 4 1  3 _ _  _ _ 9
 
 _ _ _  _ _ _  _ _ 2
-_ 1 3  _ _ 8  _ 7 _
-_ 8 _  _ _ _  3 _ 9
+_ 6 9  _ _ 1  _ 7 _
+8 _ _  _ _ _  _ 9 _
 
-_ 9 _  _ _ _  _ 5 8
-_ 2 _  9 4 _  _ _ _
-1 _ _  _ _ _  _ _ _
+7 _ _  8 _ _  _ _ _
+_ _ _  _ _ _  5 _ _
+2 _ 5  _ _ 4  _ _ _
 
 SOLUTION:
-7 6 2  4 8 3  1 9 5
-5 4 9  7 2 1  8 6 3
-8 3 1  5 9 6  4 2 7
+3 7 8  4 2 9  1 5 6
+9 2 6  7 1 5  8 4 3
+5 4 1  3 6 8  7 2 9
 
-4 7 6  3 1 9  5 8 2
-9 1 3  2 5 8  6 7 4
-2 8 5  6 7 4  3 1 9
+1 5 7  6 9 3  4 8 2
+4 6 9  2 8 1  3 7 5
+8 3 2  5 4 7  6 9 1
 
-3 9 4  1 6 7  2 5 8
-6 2 8  9 4 5  7 3 1
-1 5 7  8 3 2  9 4 6
+7 9 3  8 5 6  2 1 4
+6 1 4  9 7 2  5 3 8
+2 8 5  1 3 4  9 6 7
 
 RATING: 0
 DATA:
-{"puzzle":[3,2,null,null,null,null,null,null,null,5,null,null,null,7,null,null,null,null,null,null,null,null,null,5,null,3,null,null,null,null,null,null,null,null,8,1,6,null,7,null,null,null,3,null,null,null,0,null,null,null,null,4,7,null,null,null,0,null,4,null,null,null,null,2,8,null,null,null,1,null,5,null,null,5,null,3,null,null,2,null,null],"solution":[3,2,6,0,1,8,5,4,7,5,4,1,2,7,3,0,6,8,0,7,8,4,6,5,1,3,2,4,3,5,7,2,0,6,8,1,6,1,7,8,5,4,3,2,0,8,0,2,1,3,6,4,7,5,7,6,0,5,4,2,8,1,3,2,8,3,6,0,1,7,5,4,1,5,4,3,8,7,2,0,6]}
+{"puzzle":[null,3,null,null,null,7,null,4,5,null,null,null,null,3,null,null,null,null,null,null,6,8,null,null,null,2,7,2,1,null,null,6,0,null,null,null,null,null,null,null,null,null,null,null,2,0,null,null,4,null,null,null,null,null,8,null,null,null,null,null,4,null,1,null,null,null,3,4,null,5,null,6,null,null,null,null,null,8,null,null,null],"solution":[1,3,8,2,0,7,6,4,5,4,7,2,5,3,6,0,1,8,5,0,6,8,1,4,3,2,7,2,1,3,7,6,0,8,5,4,6,5,4,1,8,3,7,0,2,0,8,7,4,2,5,1,6,3,8,6,5,0,7,2,4,3,1,7,2,0,3,4,1,5,8,6,3,4,1,6,5,8,2,7,0]}
 PUZZLE:
-4 3 _  _ _ _  _ _ _
-6 _ _  _ 8 _  _ _ _
-_ _ _  _ _ 6  _ 4 _
+_ 4 _  _ _ 8  _ 5 6
+_ _ _  _ 4 _  _ _ _
+_ _ 7  9 _ _  _ 3 8
 
-_ _ _  _ _ _  _ 9 2
-7 _ 8  _ _ _  4 _ _
-_ 1 _  _ _ _  5 8 _
+3 2 _  _ 7 1  _ _ _
+_ _ _  _ _ _  _ _ 3
+1 _ _  5 _ _  _ _ _
 
-_ _ 1  _ 5 _  _ _ _
-3 9 _  _ _ 2  _ 6 _
-_ 6 _  4 _ _  3 _ _
+9 _ _  _ _ _  5 _ 2
+_ _ _  4 5 _  6 _ 7
+_ _ _  _ _ 9  _ _ _
 
 SOLUTION:
-4 3 7  1 2 9  6 5 8
-6 5 2  3 8 4  1 7 9
-1 8 9  5 7 6  2 4 3
+2 4 9  3 1 8  7 5 6
+5 8 3  6 4 7  1 2 9
+6 1 7  9 2 5  4 3 8
 
-5 4 6  8 3 1  7 9 2
-7 2 8  9 6 5  4 3 1
-9 1 3  2 4 7  5 8 6
+3 2 4  8 7 1  9 6 5
+7 6 5  2 9 4  8 1 3
+1 9 8  5 3 6  2 7 4
 
-8 7 1  6 5 3  9 2 4
-3 9 4  7 1 2  8 6 5
-2 6 5  4 9 8  3 1 7
+9 7 6  1 8 3  5 4 2
+8 3 1  4 5 2  6 9 7
+4 5 2  7 6 9  3 8 1
+
+RATING: 2
+DATA:
+{"puzzle":[2,null,null,null,0,1,null,null,null,null,null,4,7,2,null,null,null,null,null,6,7,null,8,3,null,null,null,null,null,null,null,null,null,5,4,6,null,0,null,null,null,null,null,null,2,5,1,null,null,null,null,null,7,null,null,4,null,null,null,6,null,null,0,null,null,5,null,null,7,null,null,null,3,null,null,null,null,null,null,null,null],"solution":[2,5,8,6,0,1,4,3,7,0,3,4,7,2,5,8,6,1,1,6,7,4,8,3,2,0,5,7,8,2,1,3,0,5,4,6,4,0,6,5,7,8,3,1,2,5,1,3,2,6,4,0,7,8,8,4,1,3,5,6,7,2,0,6,2,5,0,4,7,1,8,3,3,7,0,8,1,2,6,5,4]}
+PUZZLE:
+3 _ _  _ 1 2  _ _ _
+_ _ 5  8 3 _  _ _ _
+_ 7 8  _ 9 4  _ _ _
+
+_ _ _  _ _ _  6 5 7
+_ 1 _  _ _ _  _ _ 3
+6 2 _  _ _ _  _ 8 _
+
+_ 5 _  _ _ 7  _ _ 1
+_ _ 6  _ _ 8  _ _ _
+4 _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 6 9  7 1 2  5 4 8
+1 4 5  8 3 6  9 7 2
+2 7 8  5 9 4  3 1 6
+
+8 9 3  2 4 1  6 5 7
+5 1 7  6 8 9  4 2 3
+6 2 4  3 7 5  1 8 9
+
+9 5 2  4 6 7  8 3 1
+7 3 6  1 5 8  2 9 4
+4 8 1  9 2 3  7 6 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,5,7,null,null,0,null,2,7,null,null,null,null,null,6,1,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,2,4,null,null,2,3,null,null,null,null,null,null,0,null,null,null,6,8,null,null,null,null,null,null,null,null,4,null,null,null,null,8,null,null,null,1,null,null,4,7,null,5,0,null,null,null,3,null],"solution":[4,3,1,5,7,6,8,0,2,2,7,0,8,4,3,5,6,1,5,6,8,1,2,0,4,7,3,6,1,7,3,0,5,2,4,8,8,2,3,4,1,7,6,5,0,0,5,4,2,6,8,3,1,7,1,0,2,6,3,4,7,8,5,3,8,6,7,5,1,0,2,4,7,4,5,0,8,2,1,3,6]}
+PUZZLE:
+_ _ _  6 8 _  _ 1 _
+3 8 _  _ _ _  _ 7 2
+_ _ _  _ _ _  _ _ _
+
+7 _ _  _ _ _  3 5 _
+_ 3 4  _ _ _  _ _ _
+1 _ _  _ 7 9  _ _ _
+
+_ _ _  _ _ 5  _ _ _
+_ 9 _  _ _ 2  _ _ 5
+8 _ 6  1 _ _  _ 4 _
+
+SOLUTION:
+5 4 2  6 8 7  9 1 3
+3 8 1  9 5 4  6 7 2
+6 7 9  2 3 1  5 8 4
+
+7 2 8  4 1 6  3 5 9
+9 3 4  5 2 8  7 6 1
+1 6 5  3 7 9  4 2 8
+
+2 1 3  7 4 5  8 9 6
+4 9 7  8 6 2  1 3 5
+8 5 6  1 9 3  2 4 7
 
 RATING: 0
 DATA:
-{"puzzle":[null,null,null,null,null,2,8,0,null,6,null,null,null,null,null,null,null,null,0,null,null,null,null,1,5,null,null,4,null,null,6,null,null,null,5,2,null,null,6,4,0,null,7,null,null,3,null,null,null,1,null,null,null,null,null,4,3,5,null,null,2,null,1,null,null,null,null,null,null,null,8,null,null,5,null,null,null,null,null,3,null],"solution":[7,1,5,3,4,2,8,0,6,6,3,2,0,5,8,1,7,4,0,8,4,7,6,1,5,2,3,4,0,1,6,8,7,3,5,2,5,2,6,4,0,3,7,1,8,3,7,8,2,1,5,6,4,0,8,4,3,5,7,0,2,6,1,2,6,7,1,3,4,0,8,5,1,5,0,8,2,6,4,3,7]}
+{"puzzle":[null,2,7,null,null,null,6,null,null,null,null,null,null,null,null,null,null,1,null,null,null,null,5,null,2,4,null,null,null,8,null,null,null,null,null,2,null,null,null,7,3,null,null,null,null,null,7,null,null,2,4,null,0,3,null,null,null,null,null,8,null,1,4,1,null,null,2,null,null,null,null,null,null,0,3,null,null,6,7,null,null],"solution":[3,2,7,4,8,1,6,5,0,6,5,4,0,7,2,3,8,1,8,1,0,6,5,3,2,4,7,0,3,8,1,6,5,4,7,2,2,4,1,7,3,0,8,6,5,5,7,6,8,2,4,1,0,3,7,6,2,3,0,8,5,1,4,1,8,5,2,4,7,0,3,6,4,0,3,5,1,6,7,2,8]}
 PUZZLE:
-_ _ _  _ _ 3  9 1 _
-7 _ _  _ _ _  _ _ _
-1 _ _  _ _ 2  6 _ _
+_ 3 8  _ _ _  7 _ _
+_ _ _  _ _ _  _ _ 2
+_ _ _  _ 6 _  3 5 _
 
-5 _ _  7 _ _  _ 6 3
-_ _ 7  5 1 _  8 _ _
-4 _ _  _ 2 _  _ _ _
+_ _ 9  _ _ _  _ _ 3
+_ _ _  8 4 _  _ _ _
+_ 8 _  _ 3 5  _ 1 4
 
-_ 5 4  6 _ _  3 _ 2
+_ _ _  _ _ 9  _ 2 5
+2 _ _  3 _ _  _ _ _
+_ 1 4  _ _ 7  8 _ _
+
+SOLUTION:
+4 3 8  5 9 2  7 6 1
+7 6 5  1 8 3  4 9 2
+9 2 1  7 6 4  3 5 8
+
+1 4 9  2 7 6  5 8 3
+3 5 2  8 4 1  9 7 6
+6 8 7  9 3 5  2 1 4
+
+8 7 3  4 1 9  6 2 5
+2 9 6  3 5 8  1 4 7
+5 1 4  6 2 7  8 3 9
+
+RATING: 0
+DATA:
+{"puzzle":[2,8,null,null,null,1,4,null,null,null,null,null,4,6,7,8,null,null,null,null,5,null,null,null,null,null,null,null,null,2,null,null,null,0,null,null,null,null,null,null,null,8,null,6,null,3,5,4,null,null,null,null,null,null,1,7,null,3,null,null,null,null,null,null,null,null,7,null,2,1,5,null,null,null,null,null,8,null,null,null,null],"solution":[2,8,7,0,5,1,4,3,6,0,1,3,4,6,7,8,2,5,6,4,5,8,2,3,7,1,0,8,6,2,5,1,4,0,7,3,7,0,1,2,3,8,5,6,4,3,5,4,6,7,0,2,8,1,1,7,8,3,4,5,6,0,2,4,3,6,7,0,2,1,5,8,5,2,0,1,8,6,3,4,7]}
+PUZZLE:
+3 9 _  _ _ 2  5 _ _
+_ _ _  5 7 8  9 _ _
+_ _ 6  _ _ _  _ _ _
+
+_ _ 3  _ _ _  1 _ _
+_ _ _  _ _ 9  _ 7 _
+4 6 5  _ _ _  _ _ _
+
+2 8 _  4 _ _  _ _ _
+_ _ _  8 _ 3  2 6 _
+_ _ _  _ 9 _  _ _ _
+
+SOLUTION:
+3 9 8  1 6 2  5 4 7
+1 2 4  5 7 8  9 3 6
+7 5 6  9 3 4  8 2 1
+
+9 7 3  6 2 5  1 8 4
+8 1 2  3 4 9  6 7 5
+4 6 5  7 8 1  3 9 2
+
+2 8 9  4 5 6  7 1 3
+5 4 7  8 1 3  2 6 9
+6 3 1  2 9 7  4 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,null,null,null,4,7,null,null,7,null,null,null,null,2,6,3,null,null,8,null,null,null,1,null,null,null,null,null,null,null,6,7,null,null,1,6,null,null,4,null,null,0,null,null,null,null,0,null,null,null,3,null,null,null,6,null,null,1,null,null,null,null,null,null,7,null,null,3,null,1,0,2,null,null,null,null,null,null,null],"solution":[2,1,3,6,0,5,4,7,8,5,7,0,1,8,4,2,6,3,6,4,8,2,7,3,1,5,0,3,0,2,8,5,6,7,1,4,1,6,5,3,4,7,8,0,2,4,8,7,0,1,2,5,3,6,7,3,6,4,2,1,0,8,5,8,5,4,7,6,0,3,2,1,0,2,1,5,3,8,6,4,7]}
+PUZZLE:
+3 _ _  _ _ _  5 8 _
+_ 8 _  _ _ _  3 7 4
+_ _ 9  _ _ _  2 _ _
+
+_ _ _  _ _ 7  8 _ _
+2 7 _  _ 5 _  _ 1 _
+_ _ _  1 _ _  _ 4 _
+
+_ _ 7  _ _ 2  _ _ _
+_ _ _  8 _ _  4 _ 2
+1 3 _  _ _ _  _ _ _
+
+SOLUTION:
+3 2 4  7 1 6  5 8 9
+6 8 1  2 9 5  3 7 4
+7 5 9  3 8 4  2 6 1
+
+4 1 3  9 6 7  8 2 5
+2 7 6  4 5 8  9 1 3
+5 9 8  1 2 3  6 4 7
+
+8 4 7  5 3 2  1 9 6
+9 6 5  8 7 1  4 3 2
+1 3 2  6 4 9  7 5 8
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,null,null,0,null,null,null,null,null,null,null,1,null,null,6,2,null,null,null,3,null,null,null,null,null,null,null,8,null,null,null,null,3,1,null,null,null,null,null,null,null,null,null,null,3,0,null,5,7,null,8,null,null,7,null,null,2,null,null,null,5,null,null,null,null,3,null,null,null,0,null,null,null,0,null,4,null,null,7,6],"solution":[4,6,2,7,0,8,5,3,1,8,5,7,1,3,4,6,2,0,0,1,3,6,5,2,7,8,4,5,8,4,0,2,6,3,1,7,2,7,1,4,8,3,0,6,5,3,0,6,5,7,1,8,4,2,7,4,8,2,6,0,1,5,3,6,2,5,3,1,7,4,0,8,1,3,0,8,4,5,2,7,6]}
+PUZZLE:
+5 _ _  _ 1 _  _ _ _
+_ _ _  2 _ _  7 3 _
+_ _ 4  _ _ _  _ _ _
+
+_ 9 _  _ _ _  4 2 _
+_ _ _  _ _ _  _ _ _
+4 1 _  6 8 _  9 _ _
+
+8 _ _  3 _ _  _ 6 _
+_ _ _  4 _ _  _ 1 _
+_ _ 1  _ 5 _  _ 8 7
+
+SOLUTION:
+5 7 3  8 1 9  6 4 2
+9 6 8  2 4 5  7 3 1
+1 2 4  7 6 3  8 9 5
+
+6 9 5  1 3 7  4 2 8
+3 8 2  5 9 4  1 7 6
+4 1 7  6 8 2  9 5 3
+
+8 5 9  3 7 1  2 6 4
+7 3 6  4 2 8  5 1 9
+2 4 1  9 5 6  3 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,null,7,null,null,null,4,null,null,null,6,null,null,null,7,null,null,5,3,null,null,2,null,null,null,null,3,null,null,2,null,null,null,7,null,2,null,3,4,null,null,null,null,null,null,null,0,null,8,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,6,null,1,8,null,null,8,null,null,null,5,0,null],"solution":[3,1,6,2,4,7,0,8,5,4,2,0,5,6,8,1,3,7,8,7,5,3,1,0,2,6,4,1,8,3,6,5,2,7,4,0,7,0,2,8,3,4,6,5,1,6,5,4,7,0,1,8,2,3,0,6,1,4,8,5,3,7,2,5,3,7,0,2,6,4,1,8,2,4,8,1,7,3,5,0,6]}
+PUZZLE:
+_ 2 _  _ _ 8  _ _ _
+5 _ _  _ 7 _  _ _ 8
+_ _ 6  4 _ _  3 _ _
+
+_ _ 4  _ _ 3  _ _ _
+8 _ 3  _ 4 5  _ _ _
+_ _ _  _ 1 _  9 _ _
+
+_ 7 _  _ _ _  _ _ _
+_ _ _  _ _ 7  _ 2 9
+_ _ 9  _ _ _  6 1 _
+
+SOLUTION:
+4 2 7  3 5 8  1 9 6
+5 3 1  6 7 9  2 4 8
+9 8 6  4 2 1  3 7 5
+
+2 9 4  7 6 3  8 5 1
+8 1 3  9 4 5  7 6 2
+7 6 5  8 1 2  9 3 4
+
+1 7 2  5 9 6  4 8 3
+6 4 8  1 3 7  5 2 9
+3 5 9  2 8 4  6 1 7
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,8,null,null,null,5,0,null,null,null,null,4,8,null,null,null,null,null,6,1,0,null,null,7,null,null,5,null,null,6,0,null,null,null,null,null,7,null,null,null,null,null,5,null,null,null,null,null,null,null,3,null,null,null,null,null,null,null,6,null,null,2,null,8,6,null,null,null,null,4,7,null,null,0,null,2,1,null,null,null],"solution":[7,2,8,1,6,3,5,0,4,0,3,5,4,8,7,6,2,1,4,6,1,0,5,2,7,8,3,5,1,3,6,0,4,2,7,8,6,7,2,3,1,8,4,5,0,8,0,4,2,7,5,3,1,6,1,5,7,8,4,6,0,3,2,2,8,6,5,3,0,1,4,7,3,4,0,7,2,1,8,6,5]}
+PUZZLE:
+_ _ 9  _ _ _  6 1 _
+_ _ _  5 9 _  _ _ _
+_ 7 2  1 _ _  8 _ _
+
+6 _ _  7 1 _  _ _ _
+_ 8 _  _ _ _  _ 6 _
+_ _ _  _ _ _  4 _ _
+
+_ _ _  _ _ 7  _ _ 3
+_ 9 7  _ _ _  _ 5 8
+_ _ 1  _ 3 2  _ _ _
+
+SOLUTION:
+8 3 9  2 7 4  6 1 5
+1 4 6  5 9 8  7 3 2
+5 7 2  1 6 3  8 9 4
+
+6 2 4  7 1 5  3 8 9
+7 8 3  4 2 9  5 6 1
+9 1 5  3 8 6  4 2 7
+
+2 6 8  9 5 7  1 4 3
+3 9 7  6 4 1  2 5 8
+4 5 1  8 3 2  9 7 6
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,0,null,null,1,6,null,null,null,null,4,null,8,null,null,null,6,null,5,2,null,null,null,null,null,null,null,null,null,0,7,null,1,null,null,null,4,null,null,null,5,null,null,null,null,null,null,null,null,3,7,null,2,null,null,6,3,null,null,null,null,null,8,null,null,null,null,null,null,1,3,4,null,5,null,2,null,null,null],"solution":[4,2,8,0,7,5,1,6,3,0,1,3,4,6,8,7,2,5,6,7,5,2,1,3,0,4,8,8,5,2,3,0,7,4,1,6,7,3,4,1,2,6,5,8,0,1,6,0,8,5,4,3,7,2,2,0,7,6,3,1,8,5,4,5,8,6,7,4,0,2,3,1,3,4,1,5,8,2,6,0,7]}
+PUZZLE:
+_ _ _  1 _ _  2 7 _
+_ _ _  5 _ 9  _ _ _
+7 _ 6  3 _ _  _ _ _
+
+_ _ _  _ 1 8  _ 2 _
+_ _ 5  _ _ _  6 _ _
+_ _ _  _ _ _  4 8 _
+
+3 _ _  7 4 _  _ _ _
+_ 9 _  _ _ _  _ _ 2
+4 5 _  6 _ 3  _ _ _
+
+SOLUTION:
+5 3 9  1 8 6  2 7 4
+1 2 4  5 7 9  8 3 6
+7 8 6  3 2 4  1 5 9
+
+9 6 3  4 1 8  5 2 7
+8 4 5  2 3 7  6 9 1
+2 7 1  9 6 5  4 8 3
+
+3 1 8  7 4 2  9 6 5
+6 9 7  8 5 1  3 4 2
+4 5 2  6 9 3  7 1 8
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,7,null,null,1,null,null,2,1,4,null,null,null,null,null,null,null,null,5,null,null,null,0,null,null,6,null,null,null,null,null,null,null,8,5,null,3,null,6,null,5,null,2,0,null,6,null,8,null,null,4,null,null,null,null,null,null,2,null,0,null,null,null,null,1,5,null,null,null,3,null,null,null,3,null,null,6,null,null,null],"solution":[3,0,7,4,6,1,8,5,2,1,4,6,2,5,8,3,0,7,2,5,8,7,3,0,1,4,6,7,1,2,0,4,3,6,8,5,8,3,4,6,1,5,7,2,0,5,6,0,8,7,2,4,1,3,4,8,5,3,2,7,0,6,1,6,7,1,5,0,4,2,3,8,0,2,3,1,8,6,5,7,4]}
+PUZZLE:
+4 _ 8  _ _ 2  _ _ 3
+2 5 _  _ _ _  _ _ _
+_ 6 _  _ _ 1  _ _ 7
+
+_ _ _  _ _ _  _ 9 6
+_ 4 _  7 _ 6  _ 3 1
+_ 7 _  9 _ _  5 _ _
+
+_ _ _  _ 3 _  1 _ _
+_ _ 2  6 _ _  _ 4 _
+_ _ 4  _ _ 7  _ _ _
+
+SOLUTION:
+4 1 8  5 7 2  9 6 3
+2 5 7  3 6 9  4 1 8
+3 6 9  8 4 1  2 5 7
+
+8 2 3  1 5 4  7 9 6
+9 4 5  7 2 6  8 3 1
+6 7 1  9 8 3  5 2 4
+
+5 9 6  4 3 8  1 7 2
+7 8 2  6 1 5  3 4 9
+1 3 4  2 9 7  6 8 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,0,null,null,null,null,5,2,null,null,null,6,8,null,null,7,null,5,null,null,7,null,null,null,null,3,null,6,null,null,null,1,2,null,null,null,null,null,null,null,null,null,null,null,null,5,null,2,null,null,null,4,null,null,null,6,null,2,4,null,0,null,null,null,null,null,null,8,null,null,8,null,3,null,null,1,null,5,null],"solution":[6,8,7,0,1,3,2,4,5,2,3,4,5,6,8,0,1,7,1,5,0,2,7,4,6,8,3,3,0,6,7,4,5,1,2,8,4,2,8,1,3,0,5,7,6,7,1,5,8,2,6,3,0,4,5,7,1,6,8,2,4,3,0,0,4,2,3,5,7,8,6,1,8,6,3,4,0,1,7,5,2]}
+PUZZLE:
+_ 9 _  1 _ _  _ _ 6
+3 _ _  _ 7 9  _ _ 8
+_ 6 _  _ 8 _  _ _ _
+
+4 _ 7  _ _ _  2 3 _
+_ _ _  _ _ _  _ _ _
+_ _ 6  _ 3 _  _ _ 5
+
+_ _ _  7 _ 3  5 _ 1
+_ _ _  _ _ _  9 _ _
+9 _ 4  _ _ 2  _ 6 _
+
+SOLUTION:
+7 9 8  1 2 4  3 5 6
+3 4 5  6 7 9  1 2 8
+2 6 1  3 8 5  7 9 4
+
+4 1 7  8 5 6  2 3 9
+5 3 9  2 4 1  6 8 7
+8 2 6  9 3 7  4 1 5
+
+6 8 2  7 9 3  5 4 1
+1 5 3  4 6 8  9 7 2
+9 7 4  5 1 2  8 6 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,8,null,null,null,null,2,null,6,3,null,null,null,null,null,null,1,4,5,null,null,null,null,null,null,6,null,null,0,null,null,null,null,null,null,5,null,null,null,3,null,null,null,null,null,4,null,null,6,null,5,null,null,8,null,null,3,4,6,null,null,null,null,null,null,1,null,null,7,null,null,7,null,4,null,null,8,0],"solution":[0,5,3,7,8,4,1,2,6,2,7,6,3,1,0,8,5,4,8,1,4,5,2,6,0,7,3,3,6,1,2,0,5,7,4,8,4,8,5,1,6,7,3,0,2,7,0,2,4,3,8,6,1,5,5,2,8,0,7,3,4,6,1,6,4,0,8,5,1,2,3,7,1,3,7,6,4,2,5,8,0]}
+PUZZLE:
+_ _ _  _ 9 _  _ _ _
+3 _ 7  4 _ _  _ _ _
+_ 2 5  6 _ _  _ _ _
+
+_ 7 _  _ 1 _  _ _ _
+_ _ 6  _ _ _  4 _ _
+_ _ _  5 _ _  7 _ 6
+
+_ _ 9  _ _ 4  5 7 _
+_ _ _  _ _ 2  _ _ 8
+_ _ 8  _ 5 _  _ 9 1
+
+SOLUTION:
+1 6 4  8 9 5  2 3 7
+3 8 7  4 2 1  9 6 5
+9 2 5  6 3 7  1 8 4
+
+4 7 2  3 1 6  8 5 9
+5 9 6  2 7 8  4 1 3
+8 1 3  5 4 9  7 2 6
+
+6 3 9  1 8 4  5 7 2
+7 5 1  9 6 2  3 4 8
+2 4 8  7 5 3  6 9 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,2,null,8,null,5,null,0,null,null,null,null,null,6,null,7,null,null,null,null,2,null,7,null,null,null,7,null,null,null,null,1,null,null,null,null,3,null,null,null,null,8,null,null,0,null,null,null,3,2,null,null,5,6,0,null,null,null,null,null,1,null,null,1,null,null,null,null,null,3,7,null,null,4,null,null,null,null,null,null],"solution":[4,7,2,1,8,3,5,6,0,8,5,3,0,4,6,1,7,2,1,6,0,2,5,7,3,8,4,7,4,5,8,0,1,6,2,3,2,3,6,5,7,4,8,0,1,0,8,1,6,3,2,7,4,5,6,0,7,3,2,5,4,1,8,5,1,8,4,6,0,2,3,7,3,2,4,7,1,8,0,5,6]}
+PUZZLE:
+_ _ 3  _ 9 _  6 _ 1
+_ _ _  _ _ 7  _ 8 _
+_ _ _  3 _ 8  _ _ _
+
+8 _ _  _ _ 2  _ _ _
+_ 4 _  _ _ _  9 _ _
+1 _ _  _ 4 3  _ _ 6
+
+7 1 _  _ _ _  _ 2 _
+_ 2 _  _ _ _  _ 4 8
+_ _ 5  _ _ _  _ _ _
+
+SOLUTION:
+5 8 3  2 9 4  6 7 1
+9 6 4  1 5 7  2 8 3
+2 7 1  3 6 8  4 9 5
+
+8 5 6  9 1 2  7 3 4
+3 4 7  6 8 5  9 1 2
+1 9 2  7 4 3  8 5 6
+
+7 1 8  4 3 6  5 2 9
+6 2 9  5 7 1  3 4 8
+4 3 5  8 2 9  1 6 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[1,3,null,null,null,4,null,null,null,null,0,null,3,8,null,7,null,null,null,null,null,null,null,2,null,null,8,null,null,null,1,null,null,null,7,6,null,null,null,0,null,null,5,null,null,null,null,null,null,null,null,null,1,4,3,null,null,null,null,null,null,5,null,2,null,null,null,null,7,null,null,1,null,4,null,null,3,8,null,6,null],"solution":[1,3,8,7,5,4,6,0,2,6,0,2,3,8,1,7,4,5,4,7,5,6,0,2,1,3,8,0,2,3,1,4,5,8,7,6,8,1,4,0,7,6,5,2,3,5,6,7,8,2,3,0,1,4,3,8,6,2,1,0,4,5,7,2,5,0,4,6,7,3,8,1,7,4,1,5,3,8,2,6,0]}
+PUZZLE:
+2 4 _  _ _ 5  _ _ _
+_ 1 _  4 9 _  8 _ _
+_ _ _  _ _ 3  _ _ 9
+
+_ _ _  2 _ _  _ 8 7
+_ _ _  1 _ _  6 _ _
+_ _ _  _ _ _  _ 2 5
+
+4 _ _  _ _ _  _ 6 _
+3 _ _  _ _ 8  _ _ 2
+_ 5 _  _ 4 9  _ 7 _
+
+SOLUTION:
+2 4 9  8 6 5  7 1 3
+7 1 3  4 9 2  8 5 6
+5 8 6  7 1 3  2 4 9
+
+1 3 4  2 5 6  9 8 7
+9 2 5  1 8 7  6 3 4
+6 7 8  9 3 4  1 2 5
+
+4 9 7  3 2 1  5 6 8
+3 6 1  5 7 8  4 9 2
+8 5 2  6 4 9  3 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,4,null,6,null,1,8,7,null,null,null,5,null,0,null,null,null,null,6,null,0,null,null,8,null,6,2,null,null,null,1,null,null,7,null,0,null,null,7,null,null,null,null,null,null,null,null,null,null,4,null,null,null,3,null,null,1,null,null,5,null,3,null,null,null,null,null,null,7,4,2,null,1,5],"solution":[2,8,1,6,5,0,7,3,4,4,6,3,1,8,7,5,0,2,5,7,0,3,2,4,1,6,8,0,4,5,8,3,6,2,7,1,8,1,6,2,7,5,0,4,3,7,3,2,4,0,1,8,5,6,6,5,4,0,1,8,3,2,7,1,2,7,5,6,3,4,8,0,3,0,8,7,4,2,6,1,5]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 5
+_ 7 _  2 9 8  _ _ _
+6 _ 1  _ _ _  _ 7 _
+
+1 _ _  9 _ 7  3 _ _
+_ 2 _  _ 8 _  1 _ _
+8 _ _  _ _ _  _ _ _
+
+_ _ 5  _ _ _  4 _ _
+2 _ _  6 _ 4  _ _ _
+_ _ _  8 5 3  _ 2 6
+
+SOLUTION:
+3 9 2  7 6 1  8 4 5
+5 7 4  2 9 8  6 1 3
+6 8 1  4 3 5  2 7 9
+
+1 5 6  9 4 7  3 8 2
+9 2 7  3 8 6  1 5 4
+8 4 3  5 1 2  9 6 7
+
+7 6 5  1 2 9  4 3 8
+2 3 8  6 7 4  5 9 1
+4 1 9  8 5 3  7 2 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,2,6,5,7,null,null,null,null,null,null,null,6,null,3,1,0,null,null,7,null,null,null,null,8,4,null,null,null,5,null,0,8,null,null,null,null,4,null,1,null,null,null,7,null,null,null,null,null,null,null,5,null,null,null,1,4,null,null,null,null,6,null,null,null,null,7,5,null,2,null,1,null,null,null],"solution":[4,8,1,7,5,3,0,2,6,5,7,0,6,2,8,4,3,1,6,2,3,1,0,4,5,7,8,3,6,7,8,4,2,1,0,5,2,0,8,3,1,5,6,4,7,1,4,5,0,7,6,3,8,2,0,3,6,5,8,7,2,1,4,8,1,2,4,6,0,7,5,3,7,5,4,2,3,1,8,6,0]}
+PUZZLE:
+_ _ _  _ _ _  _ 3 7
+6 8 _  _ _ _  _ _ _
+7 _ 4  2 1 _  _ 8 _
+
+_ _ _  9 5 _  _ _ 6
+_ 1 9  _ _ _  _ 5 _
+2 _ _  _ 8 _  _ _ _
+
+_ _ _  6 _ _  _ 2 5
+_ _ _  _ 7 _  _ _ _
+8 6 _  3 _ 2  _ _ _
+
+SOLUTION:
+5 9 2  8 6 4  1 3 7
+6 8 1  7 3 9  5 4 2
+7 3 4  2 1 5  6 8 9
+
+4 7 8  9 5 3  2 1 6
+3 1 9  4 2 6  7 5 8
+2 5 6  1 8 7  4 9 3
+
+1 4 7  6 9 8  3 2 5
+9 2 3  5 7 1  8 6 4
+8 6 5  3 4 2  9 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,8,null,null,3,null,null,6,null,null,null,null,null,null,5,4,null,null,null,null,null,0,null,2,7,null,null,null,4,null,null,null,null,6,null,2,null,null,8,4,0,null,null,null,null,null,null,5,null,null,null,null,0,5,null,null,7,null,1,null,8,4,null,2,null,null,null,null,null,null,null,null,null,0,null,6,null,null,null,null],"solution":[4,7,8,2,5,3,1,0,6,3,0,2,6,1,7,5,4,8,6,1,5,4,0,8,2,7,3,0,5,4,1,3,2,8,6,7,2,6,7,8,4,0,3,5,1,1,8,3,5,7,6,4,2,0,5,3,6,7,2,1,0,8,4,7,2,1,0,8,4,6,3,5,8,4,0,3,6,5,7,1,2]}
+PUZZLE:
+_ 8 9  _ _ 4  _ _ 7
+_ _ _  _ _ _  6 5 _
+_ _ _  _ 1 _  3 8 _
+
+_ _ 5  _ _ _  _ 7 _
+3 _ _  9 5 1  _ _ _
+_ _ _  6 _ _  _ _ 1
+
+6 _ _  8 _ 2  _ 9 5
+_ 3 _  _ _ _  _ _ _
+_ _ 1  _ 7 _  _ _ _
+
+SOLUTION:
+5 8 9  3 6 4  2 1 7
+4 1 3  7 2 8  6 5 9
+7 2 6  5 1 9  3 8 4
+
+1 6 5  2 4 3  9 7 8
+3 7 8  9 5 1  4 6 2
+2 9 4  6 8 7  5 3 1
+
+6 4 7  8 3 2  1 9 5
+8 3 2  1 9 5  7 4 6
+9 5 1  4 7 6  8 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,5,null,null,7,null,null,null,4,null,null,null,null,null,null,null,3,8,null,null,null,null,4,null,null,null,0,null,null,3,null,null,5,6,null,null,1,0,8,null,null,null,2,null,null,null,null,null,null,null,4,null,5,null,null,null,null,1,null,null,0,null,3,2,8,null,5,1,null,null,null,null,null,null,2,3,null,null,null],"solution":[1,2,6,5,4,8,7,0,3,7,4,5,3,1,0,6,2,8,3,8,0,7,6,2,4,1,5,2,0,4,1,3,7,8,5,6,6,5,1,0,8,4,3,7,2,8,7,3,2,5,6,0,4,1,5,6,8,4,7,1,2,3,0,4,3,2,8,0,5,1,6,7,0,1,7,6,2,3,5,8,4]}
+PUZZLE:
+_ 3 _  6 _ _  8 _ _
+_ 5 _  _ _ _  _ _ _
+4 9 _  _ _ _  5 _ _
+
+_ 1 _  _ 4 _  _ 6 7
+_ _ 2  1 9 _  _ _ 3
+_ _ _  _ _ _  _ 5 _
+
+6 _ _  _ _ 2  _ _ 1
+_ 4 3  9 _ 6  2 _ _
+_ _ _  _ 3 4  _ _ _
+
+SOLUTION:
+2 3 7  6 5 9  8 1 4
+8 5 6  4 2 1  7 3 9
+4 9 1  8 7 3  5 2 6
+
+3 1 5  2 4 8  9 6 7
+7 6 2  1 9 5  4 8 3
+9 8 4  3 6 7  1 5 2
+
+6 7 9  5 8 2  3 4 1
+5 4 3  9 1 6  2 7 8
+1 2 8  7 3 4  6 9 5
+
+RATING: 1
+DATA:
+{"puzzle":[7,null,null,null,8,null,null,null,null,null,null,0,3,2,null,null,null,null,null,6,null,null,null,null,4,0,null,null,null,1,null,null,null,6,null,null,null,null,8,null,3,null,null,7,null,2,null,null,7,null,null,null,1,null,1,null,null,8,6,null,null,null,null,null,2,null,0,null,null,null,5,1,null,5,7,null,null,null,null,null,null],"solution":[7,1,4,6,8,0,2,3,5,5,8,0,3,2,4,1,6,7,3,6,2,5,7,1,4,0,8,0,7,1,4,5,8,6,2,3,6,4,8,1,3,2,5,7,0,2,3,5,7,0,6,8,1,4,1,0,3,8,6,5,7,4,2,8,2,6,0,4,7,3,5,1,4,5,7,2,1,3,0,8,6]}
+PUZZLE:
+8 _ _  _ 9 _  _ _ _
+_ _ 1  4 3 _  _ _ _
+_ 7 _  _ _ _  5 1 _
+
+_ _ 2  _ _ _  7 _ _
+_ _ 9  _ 4 _  _ 8 _
+3 _ _  8 _ _  _ 2 _
+
+2 _ _  9 7 _  _ _ _
+_ 3 _  1 _ _  _ 6 2
+_ 6 8  _ _ _  _ _ _
+
+SOLUTION:
+8 2 5  7 9 1  3 4 6
+6 9 1  4 3 5  2 7 8
+4 7 3  6 8 2  5 1 9
+
+1 8 2  5 6 9  7 3 4
+7 5 9  2 4 3  6 8 1
+3 4 6  8 1 7  9 2 5
+
+2 1 4  9 7 6  8 5 3
+9 3 7  1 5 8  4 6 2
+5 6 8  3 2 4  1 9 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,null,null,null,1,6,null,2,null,null,8,7,null,null,null,null,null,null,null,null,null,null,null,null,8,null,8,null,null,2,null,null,null,null,null,0,null,3,null,null,null,2,null,4,null,6,null,null,4,null,null,null,null,null,2,null,null,null,3,null,7,null,null,null,null,null,null,null,1,6,null,5,0,null,null,6,null,null,null,null],"solution":[4,7,0,5,8,1,6,3,2,2,3,8,7,0,6,5,4,1,1,5,6,3,2,4,0,8,7,8,4,5,2,3,0,7,1,6,0,1,3,6,7,8,2,5,4,7,6,2,1,4,5,3,0,8,6,2,4,0,1,3,8,7,5,3,8,7,4,5,2,1,6,0,5,0,1,8,6,7,4,2,3]}
+PUZZLE:
+_ 8 _  _ _ 2  7 _ 3
+_ _ 9  8 _ _  _ _ _
 _ _ _  _ _ _  _ 9 _
-_ 6 _  _ _ _  _ 4 _
+
+9 _ _  3 _ _  _ _ _
+1 _ 4  _ _ _  3 _ 5
+_ 7 _  _ 5 _  _ _ _
+
+_ 3 _  _ _ 4  _ 8 _
+_ _ _  _ _ _  2 7 _
+6 1 _  _ 7 _  _ _ _
 
 SOLUTION:
-8 2 6  4 5 3  9 1 7
-7 4 3  1 6 9  2 8 5
-1 9 5  8 7 2  6 3 4
+5 8 1  6 9 2  7 4 3
+3 4 9  8 1 7  6 5 2
+2 6 7  4 3 5  1 9 8
 
-5 1 2  7 9 8  4 6 3
-6 3 7  5 1 4  8 2 9
-4 8 9  3 2 6  7 5 1
+9 5 6  3 4 1  8 2 7
+1 2 4  7 8 9  3 6 5
+8 7 3  2 5 6  4 1 9
 
-9 5 4  6 8 1  3 7 2
-3 7 8  2 4 5  1 9 6
-2 6 1  9 3 7  5 4 8
+7 3 5  1 2 4  9 8 6
+4 9 8  5 6 3  2 7 1
+6 1 2  9 7 8  5 3 4
+
+RATING: 4
+DATA:
+{"puzzle":[null,5,3,null,null,null,null,null,0,null,null,6,2,null,null,null,null,4,null,null,null,null,null,5,3,null,null,null,null,7,1,null,null,4,null,null,null,2,null,5,8,4,null,1,null,1,6,null,null,null,null,null,0,null,null,null,5,null,null,8,null,3,null,null,0,null,null,2,null,null,null,1,null,null,null,null,null,null,6,null,null],"solution":[4,5,3,7,6,1,2,8,0,8,7,6,2,3,0,1,5,4,0,1,2,8,4,5,3,6,7,5,8,7,1,0,6,4,2,3,3,2,0,5,8,4,7,1,6,1,6,4,3,7,2,8,0,5,7,4,5,6,1,8,0,3,2,6,0,8,4,2,3,5,7,1,2,3,1,0,5,7,6,4,8]}
+PUZZLE:
+_ 6 4  _ _ _  _ _ 1
+_ _ 7  3 _ _  _ _ 5
+_ _ _  _ _ 6  4 _ _
+
+_ _ 8  2 _ _  5 _ _
+_ 3 _  6 9 5  _ 2 _
+2 7 _  _ _ _  _ 1 _
+
+_ _ 6  _ _ 9  _ 4 _
+_ 1 _  _ 3 _  _ _ 2
+_ _ _  _ _ _  7 _ _
+
+SOLUTION:
+5 6 4  8 7 2  3 9 1
+9 8 7  3 4 1  2 6 5
+1 2 3  9 5 6  4 7 8
+
+6 9 8  2 1 7  5 3 4
+4 3 1  6 9 5  8 2 7
+2 7 5  4 8 3  9 1 6
+
+8 5 6  7 2 9  1 4 3
+7 1 9  5 3 4  6 8 2
+3 4 2  1 6 8  7 5 9
 
 RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,8,3,null,null,null,6,7,null,4,null,null,null,null,8,0,null,null,null,5,null,null,null,3,null,null,null,7,3,5,null,null,null,null,null,null,null,6,null,null,5,null,null,4,null,null,2,null,null,7,0,null,3,null,null,null,null,null,null,7,null,null,null,null,null,null,null,null,null,7,null,6,null,null,null,8,1,2],"solution":[5,1,4,2,8,3,7,0,6,6,7,3,4,0,1,5,2,8,0,8,2,6,5,7,1,4,3,1,6,0,7,3,5,2,8,4,8,2,7,0,6,4,3,5,1,3,4,5,1,2,8,6,7,0,4,3,8,5,1,2,0,6,7,2,0,1,8,7,6,4,3,5,7,5,6,3,4,0,8,1,2]}
+PUZZLE:
+_ _ _  _ 9 4  _ _ _
+7 8 _  5 _ _  _ _ 9
+1 _ _  _ 6 _  _ _ 4
+
+_ _ _  8 4 6  _ _ _
+_ _ _  _ 7 _  _ 6 _
+_ 5 _  _ 3 _  _ 8 1
+
+_ 4 _  _ _ _  _ _ 8
+_ _ _  _ _ _  _ _ _
+8 _ 7  _ _ _  9 2 3
+
+SOLUTION:
+6 2 5  3 9 4  8 1 7
+7 8 4  5 1 2  6 3 9
+1 9 3  7 6 8  2 5 4
+
+2 7 1  8 4 6  3 9 5
+9 3 8  1 7 5  4 6 2
+4 5 6  2 3 9  7 8 1
+
+5 4 9  6 2 3  1 7 8
+3 1 2  9 8 7  5 4 6
+8 6 7  4 5 1  9 2 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,null,null,null,7,null,null,null,2,null,null,null,null,null,null,null,null,5,null,null,null,0,null,8,null,2,null,3,1,null,null,8,null,7,null,null,0,3,null,null,null,2,null,null,7,8,null,null,null,null,null,4,null,null,null,null,8,null,0,null,null,null,null,null,null,null,2,null,7,null,null,null,5,0,1,null,3,4,null],"solution":[8,4,1,5,2,3,7,6,0,0,2,7,8,6,1,4,5,3,3,5,6,7,4,0,2,8,1,2,6,3,1,5,4,8,0,7,4,1,0,3,7,8,6,2,5,5,7,8,2,0,6,1,3,4,7,3,2,4,8,5,0,1,6,1,0,4,6,3,2,5,7,8,6,8,5,0,1,7,3,4,2]}
+PUZZLE:
+_ _ 2  _ _ _  8 _ _
+_ 3 _  _ _ _  _ _ _
+_ 6 _  _ _ 1  _ 9 _
+
+3 _ 4  2 _ _  9 _ 8
+_ _ 1  4 _ _  _ 3 _
+_ 8 9  _ _ _  _ _ 5
+
+_ _ _  _ 9 _  1 _ _
+_ _ _  _ _ 3  _ 8 _
+_ _ 6  1 2 _  4 5 _
+
+SOLUTION:
+9 5 2  6 3 4  8 7 1
+1 3 8  9 7 2  5 6 4
+4 6 7  8 5 1  3 9 2
+
+3 7 4  2 6 5  9 1 8
+5 2 1  4 8 9  7 3 6
+6 8 9  3 1 7  2 4 5
+
+8 4 3  5 9 6  1 2 7
+2 1 5  7 4 3  6 8 9
+7 9 6  1 2 8  4 5 3
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,5,null,null,6,null,0,null,null,null,0,null,null,null,null,null,4,7,null,3,null,null,1,null,null,null,null,null,null,null,null,null,0,3,1,null,null,6,null,8,null,null,null,null,3,null,null,2,null,5,null,null,null,4,null,7,null,1,null,null,null,null,null,1,null,null,5,4,2,null,null,null,null,null,null,null,null,6,null],"solution":[8,1,3,5,7,2,6,4,0,2,5,6,0,1,4,7,3,8,4,7,0,3,8,6,1,5,2,6,2,4,1,5,7,8,0,3,1,0,5,6,3,8,2,7,4,7,3,8,4,2,0,5,1,6,0,4,2,7,6,1,3,8,5,3,6,1,8,0,5,4,2,7,5,8,7,2,4,3,0,6,1]}
+PUZZLE:
+_ _ _  6 _ _  7 _ 1
+_ _ _  1 _ _  _ _ _
+5 8 _  4 _ _  2 _ _
+
+_ _ _  _ _ _  _ 1 4
+2 _ _  7 _ 9  _ _ _
+_ 4 _  _ 3 _  6 _ _
+
+_ 5 _  8 _ 2  _ _ _
+_ _ 2  _ _ 6  5 3 _
+_ _ _  _ _ _  _ 7 _
+
+SOLUTION:
+9 2 4  6 8 3  7 5 1
+3 6 7  1 2 5  8 4 9
+5 8 1  4 9 7  2 6 3
+
+7 3 5  2 6 8  9 1 4
+2 1 6  7 4 9  3 8 5
+8 4 9  5 3 1  6 2 7
+
+1 5 3  8 7 2  4 9 6
+4 7 2  9 1 6  5 3 8
+6 9 8  3 5 4  1 7 2
+
+RATING: 0
+DATA:
+{"puzzle":[8,0,null,null,null,null,null,null,null,null,1,2,null,null,null,null,null,null,null,7,null,null,null,4,null,5,2,7,null,null,null,null,null,1,2,3,null,null,3,2,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,3,null,0,null,6,null,null,8,null,null,null,null,3,null,null,null,null,null,0,5,4,null,null],"solution":[8,0,5,7,2,3,6,4,1,4,1,2,5,6,8,3,0,7,3,7,6,0,1,4,8,5,2,7,8,0,4,5,6,1,2,3,6,4,3,2,7,1,5,8,0,5,2,1,3,8,0,7,6,4,1,5,4,8,3,2,0,7,6,0,6,8,1,4,7,2,3,5,2,3,7,6,0,5,4,1,8]}
+PUZZLE:
+9 1 _  _ _ _  _ _ _
+_ 2 3  _ _ _  _ _ _
+_ 8 _  _ _ 5  _ 6 3
+
+8 _ _  _ _ _  2 3 4
+_ _ 4  3 _ _  6 _ _
+_ _ _  _ _ _  _ _ _
+
+_ _ 5  _ 4 _  1 _ 7
+_ _ 9  _ _ _  _ 4 _
+_ _ _  _ 1 6  5 _ _
+
+SOLUTION:
+9 1 6  8 3 4  7 5 2
+5 2 3  6 7 9  4 1 8
+4 8 7  1 2 5  9 6 3
+
+8 9 1  5 6 7  2 3 4
+7 5 4  3 8 2  6 9 1
+6 3 2  4 9 1  8 7 5
+
+2 6 5  9 4 3  1 8 7
+1 7 9  2 5 8  3 4 6
+3 4 8  7 1 6  5 2 9
+
+RATING: 0
+DATA:
+{"puzzle":[0,null,null,2,null,null,null,null,null,null,8,null,null,null,null,6,null,null,null,null,5,null,null,0,null,1,3,7,null,0,4,null,5,null,null,6,null,null,null,null,2,6,null,null,null,null,null,null,null,8,null,null,null,7,null,6,null,8,null,null,null,4,null,null,null,1,null,null,null,null,null,null,null,null,null,3,6,null,null,null,2],"solution":[0,1,6,2,3,8,4,7,5,3,8,7,1,5,4,6,2,0,4,2,5,6,7,0,8,1,3,7,3,0,4,1,5,2,8,6,1,5,8,7,2,6,0,3,4,6,4,2,0,8,3,1,5,7,5,6,3,8,0,2,7,4,1,2,0,1,5,4,7,3,6,8,8,7,4,3,6,1,5,0,2]}
+PUZZLE:
+1 _ _  3 _ _  _ _ _
+_ 9 _  _ _ _  7 _ _
+_ _ 6  _ _ 1  _ 2 4
+
+8 _ 1  5 _ 6  _ _ 7
+_ _ _  _ 3 7  _ _ _
+_ _ _  _ 9 _  _ _ 8
+
+_ 7 _  9 _ _  _ 5 _
+_ _ 2  _ _ _  _ _ _
+_ _ _  4 7 _  _ _ 3
+
+SOLUTION:
+1 2 7  3 4 9  5 8 6
+4 9 8  2 6 5  7 3 1
+5 3 6  7 8 1  9 2 4
+
+8 4 1  5 2 6  3 9 7
+2 6 9  8 3 7  1 4 5
+7 5 3  1 9 4  2 6 8
+
+6 7 4  9 1 3  8 5 2
+3 1 2  6 5 8  4 7 9
+9 8 5  4 7 2  6 1 3
+
+RATING: 1
+DATA:
+{"puzzle":[7,null,null,null,1,8,null,null,null,null,null,null,4,null,2,null,null,null,null,2,null,null,3,5,null,4,null,3,null,null,null,8,null,5,null,null,4,1,null,null,null,null,3,8,null,null,null,6,null,7,null,null,null,null,null,null,null,null,null,null,4,null,1,null,null,null,0,null,null,6,null,null,null,null,8,2,5,null,null,7,null],"solution":[7,5,4,6,1,8,2,3,0,8,6,3,4,0,2,7,1,5,0,2,1,7,3,5,8,4,6,3,7,2,1,8,0,5,6,4,4,1,0,5,2,6,3,8,7,5,8,6,3,7,4,1,0,2,2,0,7,8,6,3,4,5,1,1,3,5,0,4,7,6,2,8,6,4,8,2,5,1,0,7,3]}
+PUZZLE:
+8 _ _  _ 2 9  _ _ _
+_ _ _  5 _ 3  _ _ _
+_ 3 _  _ 4 6  _ 5 _
+
+4 _ _  _ 9 _  6 _ _
+5 2 _  _ _ _  4 9 _
+_ _ 7  _ 8 _  _ _ _
+
+_ _ _  _ _ _  5 _ 2
+_ _ _  1 _ _  7 _ _
+_ _ 9  3 6 _  _ 8 _
+
+SOLUTION:
+8 6 5  7 2 9  3 4 1
+9 7 4  5 1 3  8 2 6
+1 3 2  8 4 6  9 5 7
+
+4 8 3  2 9 1  6 7 5
+5 2 1  6 3 7  4 9 8
+6 9 7  4 8 5  2 1 3
+
+3 1 8  9 7 4  5 6 2
+2 4 6  1 5 8  7 3 9
+7 5 9  3 6 2  1 8 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,6,null,3,null,null,null,null,null,0,7,null,null,null,null,null,8,null,5,null,null,0,null,null,null,1,2,null,0,5,null,null,null,null,null,null,7,null,null,6,null,null,1,null,null,null,null,null,null,2,null,3,7,0,null,null,null,null,null,4,6,null,null,null,null,null,null,null,null,null,null,null,null,4,null,8,6,2,null,null],"solution":[1,2,6,8,3,5,7,0,4,4,0,7,6,2,1,3,5,8,8,5,3,7,0,4,6,2,1,2,1,0,5,7,3,8,4,6,3,7,5,4,6,8,0,1,2,6,4,8,0,1,2,5,3,7,0,8,1,2,5,7,4,6,3,7,6,2,3,4,0,1,8,5,5,3,4,1,8,6,2,7,0]}
+PUZZLE:
+_ _ 7  _ 4 _  _ _ _
+_ 1 8  _ _ _  _ _ 9
+_ 6 _  _ 1 _  _ _ 2
+
+3 _ 1  6 _ _  _ _ _
+_ 8 _  _ 7 _  _ 2 _
+_ _ _  _ _ 3  _ 4 8
+
+1 _ _  _ _ _  5 7 _
+_ _ _  _ _ _  _ _ _
+_ _ 5  _ 9 7  3 _ _
+
+SOLUTION:
+2 3 7  9 4 6  8 1 5
+5 1 8  7 3 2  4 6 9
+9 6 4  8 1 5  7 3 2
+
+3 2 1  6 8 4  9 5 7
+4 8 6  5 7 9  1 2 3
+7 5 9  1 2 3  6 4 8
+
+1 9 2  3 6 8  5 7 4
+8 7 3  4 5 1  2 9 6
+6 4 5  2 9 7  3 8 1
+
+RATING: 0
+DATA:
+{"puzzle":[0,6,null,3,null,null,null,null,5,null,null,null,null,8,null,null,7,null,2,null,null,null,7,null,4,null,null,6,1,null,null,null,null,8,null,null,3,null,5,null,null,null,null,null,0,null,8,null,null,null,null,null,5,null,1,0,null,null,null,null,null,null,null,null,null,null,0,null,null,7,2,null,5,null,null,null,null,null,null,4,null],"solution":[0,6,7,3,2,4,1,8,5,4,5,1,6,8,0,3,7,2,2,3,8,5,7,1,4,0,6,6,1,4,2,0,5,8,3,7,3,2,5,7,4,8,6,1,0,7,8,0,1,6,3,2,5,4,1,0,2,4,3,7,5,6,8,8,4,3,0,5,6,7,2,1,5,7,6,8,1,2,0,4,3]}
+PUZZLE:
+1 7 _  4 _ _  _ _ 6
+_ _ _  _ 9 _  _ 8 _
+3 _ _  _ 8 _  5 _ _
+
+7 2 _  _ _ _  9 _ _
+4 _ 6  _ _ _  _ _ 1
+_ 9 _  _ _ _  _ 6 _
+
+2 1 _  _ _ _  _ _ _
+_ _ _  1 _ _  8 3 _
+6 _ _  _ _ _  _ 5 _
+
+SOLUTION:
+1 7 8  4 3 5  2 9 6
+5 6 2  7 9 1  4 8 3
+3 4 9  6 8 2  5 1 7
+
+7 2 5  3 1 6  9 4 8
+4 3 6  8 5 9  7 2 1
+8 9 1  2 7 4  3 6 5
+
+2 1 3  5 4 8  6 7 9
+9 5 4  1 6 7  8 3 2
+6 8 7  9 2 3  1 5 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,2,null,null,6,null,7,null,null,8,null,null,null,5,null,4,null,null,null,null,null,null,null,null,null,6,3,null,null,5,7,null,3,null,null,null,0,null,null,null,null,null,null,null,null,null,null,2,null,7,null,null,null,1,null,5,null,null,null,1,null,3,null,null,null,0,8,null,null,null,5,null,1,4,null],"solution":[0,1,7,3,8,6,5,2,4,4,6,2,7,1,5,8,0,3,3,5,8,4,0,2,6,7,1,1,2,4,0,6,3,7,8,5,7,8,3,5,2,4,0,1,6,6,0,5,1,7,8,4,3,2,2,7,0,6,4,1,3,5,8,5,4,1,8,3,7,2,6,0,8,3,6,2,5,0,1,4,7]}
+PUZZLE:
+_ 2 _  _ _ _  _ 3 _
+_ 7 _  8 _ _  9 _ _
+_ 6 _  5 _ _  _ _ _
+
+_ _ _  _ 7 4  _ _ 6
+8 _ 4  _ _ _  1 _ _
+_ _ _  _ _ _  _ _ 3
+
+_ 8 _  _ _ 2  _ 6 _
+_ _ 2  _ 4 _  _ _ 1
+9 _ _  _ 6 _  2 5 _
+
+SOLUTION:
+1 2 8  4 9 7  6 3 5
+5 7 3  8 2 6  9 1 4
+4 6 9  5 1 3  7 8 2
+
+2 3 5  1 7 4  8 9 6
+8 9 4  6 3 5  1 2 7
+7 1 6  2 8 9  5 4 3
+
+3 8 1  7 5 2  4 6 9
+6 5 2  9 4 8  3 7 1
+9 4 7  3 6 1  2 5 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,0,null,null,2,null,null,null,null,null,null,6,null,7,null,5,null,null,4,null,null,null,0,null,null,null,null,null,null,2,7,null,null,1,5,8,6,null,3,4,null,null,2,null,null,1,null,null,null,null,0,null,null,null,null,null,4,null,null,null,3,null,7,null,3,null,null,null,8,null,null,null,null,null,null,3,null,null,4,null,1],"solution":[7,0,1,5,2,4,8,3,6,3,2,6,8,7,1,5,0,4,4,5,8,6,0,3,7,1,2,0,4,2,7,3,6,1,5,8,6,8,3,4,1,5,2,7,0,1,7,5,2,8,0,6,4,3,5,1,4,0,6,2,3,8,7,2,3,7,1,4,8,0,6,5,8,6,0,3,5,7,4,2,1]}
+PUZZLE:
+_ 1 _  _ 3 _  _ _ _
+_ _ 7  _ 8 _  6 _ _
+5 _ _  _ 1 _  _ _ _
+
+_ _ 3  8 _ _  2 6 9
+7 _ 4  5 _ _  3 _ _
+2 _ _  _ _ 1  _ _ _
+
+_ _ 5  _ _ _  4 _ 8
+_ 4 _  _ _ 9  _ _ _
+_ _ _  4 _ _  5 _ 2
+
+SOLUTION:
+8 1 2  6 3 5  9 4 7
+4 3 7  9 8 2  6 1 5
+5 6 9  7 1 4  8 2 3
+
+1 5 3  8 4 7  2 6 9
+7 9 4  5 2 6  3 8 1
+2 8 6  3 9 1  7 5 4
+
+6 2 5  1 7 3  4 9 8
+3 4 8  2 5 9  1 7 6
+9 7 1  4 6 8  5 3 2
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,7,null,4,null,1,0,null,null,4,5,3,null,null,null,null,7,1,null,null,null,null,null,null,null,null,null,null,null,null,6,null,0,1,null,2,null,null,null,null,null,null,7,3,null,6,null,null,null,null,null,null,5,null,null,4,null,null,null,3,null,null,null,0,1,null,5,null,null,null,null,null,null,null,null,null,4,null,2,null],"solution":[6,3,7,5,4,2,1,0,8,0,4,5,3,8,1,2,6,7,1,8,2,6,7,0,5,3,4,4,5,3,8,6,7,0,1,2,2,1,8,4,0,5,6,7,3,7,6,0,1,2,3,4,8,5,8,2,4,7,1,6,3,5,0,3,0,1,2,5,8,7,4,6,5,7,6,0,3,4,8,2,1]}
+PUZZLE:
+_ _ 8  _ 5 _  2 1 _
+_ 5 6  4 _ _  _ _ 8
+2 _ _  _ _ _  _ _ _
+
+_ _ _  _ 7 _  1 2 _
+3 _ _  _ _ _  _ 8 4
+_ 7 _  _ _ _  _ _ 6
+
+_ _ 5  _ _ _  4 _ _
+_ 1 2  _ 6 _  _ _ _
+_ _ _  _ _ 5  _ 3 _
+
+SOLUTION:
+7 4 8  6 5 3  2 1 9
+1 5 6  4 9 2  3 7 8
+2 9 3  7 8 1  6 4 5
+
+5 6 4  9 7 8  1 2 3
+3 2 9  5 1 6  7 8 4
+8 7 1  2 3 4  5 9 6
+
+9 3 5  8 2 7  4 6 1
+4 1 2  3 6 9  8 5 7
+6 8 7  1 4 5  9 3 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,3,null,null,null,null,null,null,null,null,1,null,null,8,null,0,null,null,4,null,null,null,null,null,null,null,5,null,null,null,null,null,0,null,4,null,3,null,1,null,null,5,8,null,null,null,6,null,7,null,null,null,1,null,null,null,8,null,null,null,5,null,4,null,null,null,null,0,null,null,null,null,5,8,3,null,null,6,2,null],"solution":[0,8,3,7,6,5,1,4,2,6,7,1,4,2,8,3,0,5,2,4,5,0,3,1,7,6,8,5,1,2,6,8,3,0,7,4,7,3,4,1,0,2,5,8,6,8,0,6,5,7,4,2,3,1,3,2,0,8,1,6,4,5,7,4,6,7,2,5,0,8,1,3,1,5,8,3,4,7,6,2,0]}
+PUZZLE:
+_ 9 4  _ _ _  _ _ _
+_ _ 2  _ _ 9  _ 1 _
+_ 5 _  _ _ _  _ _ _
+
+6 _ _  _ _ _  1 _ 5
+_ 4 _  2 _ _  6 9 _
+_ _ 7  _ 8 _  _ _ 2
+
+_ _ _  9 _ _  _ 6 _
+5 _ _  _ _ 1  _ _ _
+_ 6 9  4 _ _  7 3 _
+
+SOLUTION:
+1 9 4  8 7 6  2 5 3
+7 8 2  5 3 9  4 1 6
+3 5 6  1 4 2  8 7 9
+
+6 2 3  7 9 4  1 8 5
+8 4 5  2 1 3  6 9 7
+9 1 7  6 8 5  3 4 2
+
+4 3 1  9 2 7  5 6 8
+5 7 8  3 6 1  9 2 4
+2 6 9  4 5 8  7 3 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,4,null,7,null,8,2,null,5,null,2,null,null,null,3,null,null,null,0,null,null,1,null,null,7,null,null,3,5,null,null,0,null,null,8,null,null,null,null,null,8,null,null,1,2,null,null,null,null,null,null,null,null,1,null,null,null,null,3,null,0,null,null,null,null,null,null,null,null,8,null,7,null,null,4,0,null,1,null,null],"solution":[6,1,4,3,7,5,8,2,0,5,7,2,0,8,6,3,1,4,8,0,3,2,1,4,6,7,5,4,3,5,1,2,0,7,6,8,0,6,7,5,3,8,2,4,1,2,8,1,6,4,7,0,5,3,1,2,6,8,5,3,4,0,7,3,4,0,7,6,1,5,8,2,7,5,8,4,0,2,1,3,6]}
+PUZZLE:
+_ _ 5  _ 8 _  9 3 _
+6 _ 3  _ _ _  4 _ _
+_ 1 _  _ 2 _  _ 8 _
+
+_ 4 6  _ _ 1  _ _ 9
+_ _ _  _ _ 9  _ _ 2
+3 _ _  _ _ _  _ _ _
+
+2 _ _  _ _ 4  _ 1 _
+_ _ _  _ _ _  _ 9 _
+8 _ _  5 1 _  2 _ _
+
+SOLUTION:
+7 2 5  4 8 6  9 3 1
+6 8 3  1 9 7  4 2 5
+9 1 4  3 2 5  7 8 6
+
+5 4 6  2 3 1  8 7 9
+1 7 8  6 4 9  3 5 2
+3 9 2  7 5 8  1 6 4
+
+2 3 7  9 6 4  5 1 8
+4 5 1  8 7 2  6 9 3
+8 6 9  5 1 3  2 4 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,8,6,null,null,null,0,null,null,null,null,1,null,null,null,null,4,null,6,4,null,null,0,null,null,null,2,null,null,null,null,null,4,null,6,null,null,null,null,2,null,8,1,null,1,8,null,null,null,null,null,null,7,null,7,null,3,null,8,null,null,null,null,null,6,null,4,null,5,null,null,null,null,null,null,null,null,2,null,null],"solution":[3,1,8,6,5,4,7,0,2,0,2,5,1,8,7,3,6,4,7,6,4,2,3,0,1,5,8,2,5,7,8,0,1,4,3,6,6,4,0,7,2,3,8,1,5,1,8,3,4,6,5,0,2,7,5,7,2,3,1,8,6,4,0,8,3,6,0,4,2,5,7,1,4,0,1,5,7,6,2,8,3]}
+PUZZLE:
+_ _ 9  7 _ _  _ 1 _
+_ _ _  2 _ _  _ _ 5
+_ 7 5  _ _ 1  _ _ _
+
+3 _ _  _ _ _  5 _ 7
+_ _ _  _ 3 _  9 2 _
+2 9 _  _ _ _  _ _ 8
+
+_ 8 _  4 _ 9  _ _ _
+_ _ 7  _ 5 _  6 _ _
+_ _ _  _ _ _  3 _ _
+
+SOLUTION:
+4 2 9  7 6 5  8 1 3
+1 3 6  2 9 8  4 7 5
+8 7 5  3 4 1  2 6 9
+
+3 6 8  9 1 2  5 4 7
+7 5 1  8 3 4  9 2 6
+2 9 4  5 7 6  1 3 8
+
+6 8 3  4 2 9  7 5 1
+9 4 7  1 5 3  6 8 2
+5 1 2  6 8 7  3 9 4
+
+RATING: 0
+DATA:
+{"puzzle":[3,null,null,null,null,1,7,null,null,null,7,null,null,2,null,null,null,6,5,null,8,null,null,6,null,3,null,4,6,null,null,null,null,2,null,8,null,null,null,null,null,null,null,null,4,null,0,null,null,5,7,null,null,null,null,8,null,7,null,null,0,null,null,null,null,null,null,null,5,null,null,null,null,null,0,null,null,8,null,1,7],"solution":[3,2,6,8,4,1,7,5,0,0,7,1,5,2,3,8,4,6,5,4,8,0,7,6,1,3,2,4,6,5,1,3,0,2,7,8,1,3,7,6,8,2,5,0,4,8,0,2,4,5,7,3,6,1,6,8,3,7,1,4,0,2,5,7,1,4,2,0,5,6,8,3,2,5,0,3,6,8,4,1,7]}
+PUZZLE:
+4 _ _  _ _ 2  8 _ _
+_ 8 _  _ 3 _  _ _ 7
+6 _ 9  _ _ 7  _ 4 _
+
+5 7 _  _ _ _  3 _ 9
+_ _ _  _ _ _  _ _ 5
+_ 1 _  _ 6 8  _ _ _
+
+_ 9 _  8 _ _  1 _ _
+_ _ _  _ _ 6  _ _ _
+_ _ 1  _ _ 9  _ 2 8
+
+SOLUTION:
+4 3 7  9 5 2  8 6 1
+1 8 2  6 3 4  9 5 7
+6 5 9  1 8 7  2 4 3
+
+5 7 6  2 4 1  3 8 9
+2 4 8  7 9 3  6 1 5
+9 1 3  5 6 8  4 7 2
+
+7 9 4  8 2 5  1 3 6
+8 2 5  3 1 6  7 9 4
+3 6 1  4 7 9  5 2 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,6,null,null,null,8,null,null,null,null,null,3,null,4,0,null,2,2,null,null,null,null,null,null,null,7,0,null,null,null,1,null,null,7,null,null,4,1,null,null,null,null,null,null,5,null,null,6,null,2,null,3,null,1,null,null,null,null,0,null,null,null,null,2,null,8,null,null,null,null,0,null,null,8,null,null,null,null,null,null],"solution":[4,7,6,0,2,1,8,5,3,8,1,5,3,7,4,0,6,2,2,3,0,5,8,6,1,4,7,0,6,2,4,1,3,5,7,8,3,4,1,7,5,8,2,0,6,5,8,7,6,0,2,4,3,1,1,5,3,2,6,0,7,8,4,7,2,4,8,3,5,6,1,0,6,0,8,1,4,7,3,2,5]}
+PUZZLE:
+_ _ 7  _ _ _  9 _ _
+_ _ _  4 _ 5  1 _ 3
+3 _ _  _ _ _  _ _ 8
+
+1 _ _  _ 2 _  _ 8 _
+_ 5 2  _ _ _  _ _ _
+6 _ _  7 _ 3  _ 4 _
+
+2 _ _  _ _ 1  _ _ _
+_ 3 _  9 _ _  _ _ 1
+_ _ 9  _ _ _  _ _ _
+
+SOLUTION:
+5 8 7  1 3 2  9 6 4
+9 2 6  4 8 5  1 7 3
+3 4 1  6 9 7  2 5 8
+
+1 7 3  5 2 4  6 8 9
+4 5 2  8 6 9  3 1 7
+6 9 8  7 1 3  5 4 2
+
+2 6 4  3 7 1  8 9 5
+8 3 5  9 4 6  7 2 1
+7 1 9  2 5 8  4 3 6
+
+RATING: 3.5
+DATA:
+{"puzzle":[7,null,6,null,null,null,null,null,null,null,null,null,3,null,null,null,5,null,null,2,null,1,null,null,null,null,8,null,8,null,0,null,null,null,1,null,null,null,null,null,null,1,null,6,null,5,7,null,null,2,null,0,4,null,null,null,0,null,null,null,null,8,null,2,5,null,null,null,8,4,0,null,null,null,null,null,null,null,null,null,2],"solution":[7,3,6,5,8,4,1,2,0,0,1,8,3,6,2,7,5,4,4,2,5,1,0,7,6,3,8,6,8,4,0,5,3,2,1,7,3,0,2,7,4,1,8,6,5,5,7,1,8,2,6,0,4,3,1,4,0,2,7,5,3,8,6,2,5,7,6,3,8,4,0,1,8,6,3,4,1,0,5,7,2]}
+PUZZLE:
+8 _ 7  _ _ _  _ _ _
+_ _ _  4 _ _  _ 6 _
+_ 3 _  2 _ _  _ _ 9
+
+_ 9 _  1 _ _  _ 2 _
+_ _ _  _ _ 2  _ 7 _
+6 8 _  _ 3 _  1 5 _
+
+_ _ 1  _ _ _  _ 9 _
+3 6 _  _ _ 9  5 1 _
+_ _ _  _ _ _  _ _ 3
+
+SOLUTION:
+8 4 7  6 9 5  2 3 1
+1 2 9  4 7 3  8 6 5
+5 3 6  2 1 8  7 4 9
+
+7 9 5  1 6 4  3 2 8
+4 1 3  8 5 2  9 7 6
+6 8 2  9 3 7  1 5 4
+
+2 5 1  3 8 6  4 9 7
+3 6 8  7 4 9  5 1 2
+9 7 4  5 2 1  6 8 3
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,null,null,4,null,null,0,6,0,null,7,null,null,2,null,null,null,null,null,null,2,null,null,3,4,8,4,5,null,null,null,null,null,1,null,2,null,1,5,null,null,4,null,null,null,null,3,null,null,null,null,null,null,null,0,null,null,null,null,null,8,null,null,null,null,6,null,7,5,null,null,null,1,null,null,null,null,null,null],"solution":[2,5,3,6,1,4,8,7,0,6,0,4,7,8,3,2,1,5,1,7,8,5,2,0,6,3,4,8,4,5,2,0,7,3,6,1,3,2,6,1,5,8,0,4,7,0,1,7,3,4,6,5,8,2,7,6,0,4,3,5,1,2,8,4,8,2,0,6,1,7,5,3,5,3,1,8,7,2,4,0,6]}
+PUZZLE:
+_ _ _  _ _ 5  _ _ 1
+7 1 _  8 _ _  3 _ _
+_ _ _  _ 3 _  _ 4 5
+
+9 5 6  _ _ _  _ _ 2
+_ 3 _  2 6 _  _ 5 _
+_ _ _  4 _ _  _ _ _
+
+_ _ 1  _ _ _  _ _ 9
+_ _ _  _ 7 _  8 6 _
+_ _ 2  _ _ _  _ _ _
+
+SOLUTION:
+3 6 4  7 2 5  9 8 1
+7 1 5  8 9 4  3 2 6
+2 8 9  6 3 1  7 4 5
+
+9 5 6  3 1 8  4 7 2
+4 3 7  2 6 9  1 5 8
+1 2 8  4 5 7  6 9 3
+
+8 7 1  5 4 6  2 3 9
+5 9 3  1 7 2  8 6 4
+6 4 2  9 8 3  5 1 7
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,6,null,null,null,4,null,null,null,3,null,null,null,null,1,7,null,null,null,null,7,null,6,null,null,null,null,6,null,null,null,null,null,5,null,7,null,null,null,null,4,null,8,1,null,null,7,null,1,null,null,null,null,null,4,null,null,0,null,null,null,null,null,null,3,null,null,null,null,1,5,0,8,null,null,2,7,null,null,null,4],"solution":[0,6,5,7,2,4,3,8,1,3,8,4,5,0,1,7,2,6,1,2,7,3,6,8,0,4,5,6,4,1,8,3,2,5,0,7,5,0,3,6,4,7,8,1,2,2,7,8,1,5,0,4,6,3,4,5,6,0,1,3,2,7,8,7,3,2,4,8,6,1,5,0,8,1,0,2,7,5,6,3,4]}
+PUZZLE:
+_ 7 _  _ _ 5  _ _ _
+4 _ _  _ _ 2  8 _ _
+_ _ 8  _ 7 _  _ _ _
+
+7 _ _  _ _ _  6 _ 8
+_ _ _  _ 5 _  9 2 _
+_ 8 _  2 _ _  _ _ _
+
+5 _ _  1 _ _  _ _ _
+_ 4 _  _ _ _  2 6 1
+9 _ _  3 8 _  _ _ 5
+
+SOLUTION:
+1 7 6  8 3 5  4 9 2
+4 9 5  6 1 2  8 3 7
+2 3 8  4 7 9  1 5 6
+
+7 5 2  9 4 3  6 1 8
+6 1 4  7 5 8  9 2 3
+3 8 9  2 6 1  5 7 4
+
+5 6 7  1 2 4  3 8 9
+8 4 3  5 9 7  2 6 1
+9 2 1  3 8 6  7 4 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[7,null,null,2,6,null,null,null,null,null,null,1,null,null,null,0,null,null,null,4,8,null,0,null,5,7,null,4,6,null,null,7,3,null,null,8,null,null,null,null,null,null,4,3,null,null,7,null,5,null,null,null,2,null,1,null,null,7,null,2,null,8,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,1],"solution":[7,3,0,2,6,5,8,1,4,2,5,1,8,4,7,0,6,3,6,4,8,3,0,1,5,7,2,4,6,2,0,7,3,1,5,8,0,1,5,6,2,8,4,3,7,8,7,3,5,1,4,6,2,0,1,0,4,7,5,2,3,8,6,3,2,6,1,8,0,7,4,5,5,8,7,4,3,6,2,0,1]}
+PUZZLE:
+8 _ _  3 7 _  _ _ _
+_ _ 2  _ _ _  1 _ _
+_ 5 9  _ 1 _  6 8 _
+
+5 7 _  _ 8 4  _ _ 9
+_ _ _  _ _ _  5 4 _
+_ 8 _  6 _ _  _ 3 _
+
+2 _ _  8 _ 3  _ 9 _
+_ _ _  _ 9 _  _ _ _
+_ _ _  _ _ _  _ _ 2
+
+SOLUTION:
+8 4 1  3 7 6  9 2 5
+3 6 2  9 5 8  1 7 4
+7 5 9  4 1 2  6 8 3
+
+5 7 3  1 8 4  2 6 9
+1 2 6  7 3 9  5 4 8
+9 8 4  6 2 5  7 3 1
+
+2 1 5  8 6 3  4 9 7
+4 3 7  2 9 1  8 5 6
+6 9 8  5 4 7  3 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,null,null,3,null,null,5,null,null,null,null,null,5,null,7,null,null,1,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,6,4,0,null,8,null,null,1,null,null,null,5,null,1,null,null,null,2,null,null,null,5,null,null,null,7,null,null,null,null,null,null,3,null,2,0,4,6,null,null,null,null,8,null,null,null],"solution":[2,8,7,6,4,3,0,1,5,3,6,4,0,1,5,8,7,2,5,1,0,2,8,7,6,4,3,7,2,1,3,5,0,4,8,6,4,0,3,8,6,2,1,5,7,8,5,6,1,7,4,3,2,0,0,3,5,4,2,1,7,6,8,1,7,8,5,3,6,2,0,4,6,4,2,7,0,8,5,3,1]}
+PUZZLE:
+_ 9 _  _ _ 4  _ _ 6
+_ _ _  _ _ 6  _ 8 _
+_ 2 _  3 _ _  _ _ _
+
+_ _ _  _ _ _  _ _ 7
+5 1 _  9 _ _  2 _ _
+_ 6 _  2 _ _  _ 3 _
+
+_ _ 6  _ _ _  8 _ _
+_ _ _  _ 4 _  3 1 5
+7 _ _  _ _ 9  _ _ _
+
+SOLUTION:
+3 9 8  7 5 4  1 2 6
+4 7 5  1 2 6  9 8 3
+6 2 1  3 9 8  7 5 4
+
+8 3 2  4 6 1  5 9 7
+5 1 4  9 7 3  2 6 8
+9 6 7  2 8 5  4 3 1
+
+1 4 6  5 3 2  8 7 9
+2 8 9  6 4 7  3 1 5
+7 5 3  8 1 9  6 4 2
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,8,null,null,null,null,null,3,null,null,null,null,5,4,null,1,null,0,null,null,null,null,2,7,null,null,1,null,null,6,null,null,null,2,5,4,null,null,null,null,null,null,null,null,null,null,1,null,3,null,6,null,null,null,null,null,5,null,null,8,null,0,null,2,null,null,null,7,null,6,null,6,null,null,3,null,null,null,null],"solution":[4,7,1,8,0,2,6,5,3,3,2,8,6,7,5,4,0,1,6,0,5,3,1,4,2,7,8,7,1,3,5,6,0,8,4,2,5,4,6,7,2,8,3,1,0,2,8,0,1,4,3,5,6,7,1,3,7,2,5,6,0,8,4,0,5,2,4,8,1,7,3,6,8,6,4,0,3,7,1,2,5]}
+PUZZLE:
+_ _ _  9 _ _  _ _ _
+4 _ _  _ _ 6  5 _ 2
+_ 1 _  _ _ _  3 8 _
+
+_ 2 _  _ 7 _  _ _ 3
+6 5 _  _ _ _  _ _ _
+_ _ _  2 _ 4  _ 7 _
+
+_ _ _  _ 6 _  _ 9 _
+1 _ 3  _ _ _  8 _ 7
+_ 7 _  _ 4 _  _ _ _
+
+SOLUTION:
+5 8 2  9 1 3  7 6 4
+4 3 9  7 8 6  5 1 2
+7 1 6  4 2 5  3 8 9
+
+8 2 4  6 7 1  9 5 3
+6 5 7  8 3 9  4 2 1
+3 9 1  2 5 4  6 7 8
+
+2 4 8  3 6 7  1 9 5
+1 6 3  5 9 2  8 4 7
+9 7 5  1 4 8  2 3 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,null,2,null,null,null,1,null,null,null,null,null,3,null,null,null,0,null,7,4,null,null,null,null,8,null,6,null,null,4,null,null,3,null,null,1,3,null,null,6,null,null,0,2,null,null,null,7,null,4,null,null,null,null,1,null,null,null,null,null,null,8,null,null,null,3,1,7,null,null,null,null,null,null,0,8,null,null,null],"solution":[5,3,6,8,2,7,0,4,1,1,4,8,0,6,3,5,2,7,0,2,7,4,1,5,3,6,8,7,6,0,1,4,2,8,3,5,4,1,3,5,8,6,2,7,0,2,8,5,3,7,0,4,1,6,3,0,1,7,5,4,6,8,2,8,5,2,6,3,1,7,0,4,6,7,4,2,0,8,1,5,3]}
+PUZZLE:
+_ 4 _  _ 3 _  _ _ 2
+_ _ _  _ _ 4  _ _ _
+1 _ 8  5 _ _  _ _ 9
+
+_ 7 _  _ 5 _  _ 4 _
+_ 2 4  _ _ 7  _ _ 1
+3 _ _  _ 8 _  5 _ _
+
+_ _ 2  _ _ _  _ _ _
+9 _ _  _ 4 2  8 _ _
+_ _ _  _ 1 9  _ _ _
+
+SOLUTION:
+6 4 7  9 3 8  1 5 2
+2 5 9  1 7 4  6 3 8
+1 3 8  5 2 6  4 7 9
+
+8 7 1  2 5 3  9 4 6
+5 2 4  6 9 7  3 8 1
+3 9 6  4 8 1  5 2 7
+
+4 1 2  8 6 5  7 9 3
+9 6 3  7 4 2  8 1 5
+7 8 5  3 1 9  2 6 4
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,4,null,null,null,null,3,null,null,8,null,null,3,null,4,5,null,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,null,4,3,3,null,null,null,4,7,1,null,0,null,null,2,null,null,null,null,null,null,4,null,7,null,null,null,null,null,null,null,5,null,3,null,null,7,8,null,null,null,null,1,null,2,null,null,null],"solution":[2,1,4,7,5,6,0,3,8,7,8,0,2,3,1,4,5,6,5,3,6,4,8,0,2,1,7,1,7,8,0,2,5,6,4,3,3,6,5,8,4,7,1,2,0,0,4,2,6,1,3,8,7,5,4,2,7,5,6,8,3,0,1,6,5,1,3,0,4,7,8,2,8,0,3,1,7,2,5,6,4]}
+PUZZLE:
+3 _ 5  _ _ _  _ 4 _
+_ 9 _  _ 4 _  5 6 _
+_ _ _  _ _ _  _ _ _
+
+_ _ 9  _ _ _  _ 5 4
+4 _ _  _ 5 8  2 _ 1
+_ _ 3  _ _ _  _ _ _
+
+5 _ 8  _ _ _  _ _ _
+_ 6 _  4 _ _  8 9 _
+_ _ _  2 _ 3  _ _ _
+
+SOLUTION:
+3 2 5  8 6 7  1 4 9
+8 9 1  3 4 2  5 6 7
+6 4 7  5 9 1  3 2 8
+
+2 8 9  1 3 6  7 5 4
+4 7 6  9 5 8  2 3 1
+1 5 3  7 2 4  9 8 6
+
+5 3 8  6 7 9  4 1 2
+7 6 2  4 1 5  8 9 3
+9 1 4  2 8 3  6 7 5
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,3,null,2,null,7,6,null,null,2,null,null,null,null,null,3,null,null,8,null,0,null,null,null,null,1,null,1,null,8,7,5,null,null,null,null,null,6,null,0,null,null,null,null,7,5,null,null,null,2,0,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,6,null,null,null,null,6,null,null,null,4,null,2,null],"solution":[5,0,3,4,2,1,7,6,8,1,2,7,5,6,8,4,3,0,6,8,4,0,3,7,2,5,1,3,1,0,8,7,5,6,4,2,2,4,6,1,0,3,8,7,5,7,5,8,6,4,2,0,1,3,4,3,2,7,1,0,5,8,6,8,7,1,2,5,6,3,0,4,0,6,5,3,8,4,1,2,7]}
+PUZZLE:
+_ _ 4  _ 3 _  8 7 _
+_ 3 _  _ _ _  _ 4 _
+_ 9 _  1 _ _  _ _ 2
+
+_ 2 _  9 8 6  _ _ _
+_ _ 7  _ 1 _  _ _ _
+8 6 _  _ _ 3  1 _ _
+
+_ _ _  _ _ _  6 _ _
+_ _ _  _ _ 7  _ _ _
+_ 7 _  _ _ 5  _ 3 _
+
+SOLUTION:
+6 1 4  5 3 2  8 7 9
+2 3 8  6 7 9  5 4 1
+7 9 5  1 4 8  3 6 2
+
+4 2 1  9 8 6  7 5 3
+3 5 7  2 1 4  9 8 6
+8 6 9  7 5 3  1 2 4
+
+5 4 3  8 2 1  6 9 7
+9 8 2  3 6 7  4 1 5
+1 7 6  4 9 5  2 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,1,null,7,null,null,8,null,null,null,null,null,null,null,null,5,0,7,null,null,null,null,null,null,null,3,null,null,null,0,3,1,null,null,null,null,0,null,null,null,6,null,null,null,8,null,3,null,null,null,null,null,5,null,8,null,7,null,null,4,null,null,null,null,null,null,6,null,null,1,8,null,null,null,null,5,null,null,null,null],"solution":[4,5,1,3,7,0,2,8,6,3,2,8,6,1,4,7,5,0,7,6,0,8,2,5,1,4,3,5,7,6,0,3,1,8,2,4,2,0,4,5,8,6,3,7,1,8,1,3,2,4,7,6,0,5,1,8,5,7,0,3,4,6,2,0,3,7,4,6,2,5,1,8,6,4,2,1,5,8,0,3,7]}
+PUZZLE:
+5 _ 2  _ 8 _  _ 9 _
+_ _ _  _ _ _  _ 6 1
+8 _ _  _ _ _  _ _ 4
+
+_ _ _  1 4 2  _ _ _
+_ 1 _  _ _ 7  _ _ _
+9 _ 4  _ _ _  _ _ 6
+
+_ 9 _  8 _ _  5 _ _
+_ _ _  _ 7 _  _ 2 9
+_ _ _  _ 6 _  _ _ _
+
+SOLUTION:
+5 6 2  4 8 1  3 9 7
+4 3 9  7 2 5  8 6 1
+8 7 1  9 3 6  2 5 4
+
+6 8 7  1 4 2  9 3 5
+3 1 5  6 9 7  4 8 2
+9 2 4  3 5 8  7 1 6
+
+2 9 6  8 1 4  5 7 3
+1 4 8  5 7 3  6 2 9
+7 5 3  2 6 9  1 4 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,3,6,4,null,5,null,null,null,null,8,null,null,null,null,null,null,null,4,null,null,6,null,null,null,null,8,null,null,null,3,null,4,0,null,null,5,7,null,null,null,null,null,null,null,6,null,0,7,null,null,null,1,null,null,null,null,0,2,null,5,null,null,null,4,null,null,6,8,3,2,null,null,null,null],"solution":[1,8,7,2,4,5,0,3,6,4,3,5,6,0,1,7,8,2,2,0,6,7,8,3,4,5,1,6,7,0,1,5,8,3,2,4,3,1,4,0,6,2,5,7,8,8,5,2,4,3,7,6,1,0,7,4,3,8,1,0,2,6,5,0,2,1,5,7,6,8,4,3,5,6,8,3,2,4,1,0,7]}
+PUZZLE:
+_ _ _  _ _ _  _ 4 7
+5 _ 6  _ _ _  _ 9 _
+_ _ _  _ _ _  5 _ _
+
+7 _ _  _ _ 9  _ _ _
+4 _ 5  1 _ _  6 8 _
+_ _ _  _ _ _  7 _ 1
+
+8 _ _  _ 2 _  _ _ _
+1 3 _  6 _ _  _ 5 _
+_ 7 9  4 3 _  _ _ _
+
+SOLUTION:
+2 9 8  3 5 6  1 4 7
+5 4 6  7 1 2  8 9 3
+3 1 7  8 9 4  5 6 2
+
+7 8 1  2 6 9  4 3 5
+4 2 5  1 7 3  6 8 9
+9 6 3  5 4 8  7 2 1
+
+8 5 4  9 2 1  3 7 6
+1 3 2  6 8 7  9 5 4
+6 7 9  4 3 5  2 1 8
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,0,null,null,null,2,3,null,null,null,null,6,null,8,null,null,null,6,null,null,1,null,null,null,null,null,null,null,null,null,null,5,7,5,null,null,null,8,2,0,null,null,null,3,null,null,null,null,8,null,null,8,null,null,4,null,null,null,3,null,null,5,null,0,null,null,null,null,6,7,null,null,1,null,null,null,null],"solution":[8,6,1,3,7,0,5,2,4,2,3,0,1,5,4,6,7,8,5,4,7,6,8,2,1,3,0,4,0,8,7,2,1,3,6,5,7,5,6,4,3,8,2,0,1,1,2,3,0,6,5,4,8,7,0,8,2,5,4,6,7,1,3,3,1,5,2,0,7,8,4,6,6,7,4,8,1,3,0,5,2]}
+PUZZLE:
+_ _ _  _ _ 1  _ _ _
+3 4 _  _ _ _  7 _ 9
+_ _ _  7 _ _  2 _ _
+
+_ _ _  _ _ _  _ _ 6
+8 6 _  _ _ 9  3 1 _
+_ _ 4  _ _ _  _ 9 _
+
+_ 9 _  _ 5 _  _ _ 4
+_ _ 6  _ 1 _  _ _ _
+7 8 _  _ 2 _  _ _ _
+
+SOLUTION:
+9 7 2  4 8 1  6 3 5
+3 4 1  2 6 5  7 8 9
+6 5 8  7 9 3  2 4 1
+
+5 1 9  8 3 2  4 7 6
+8 6 7  5 4 9  3 1 2
+2 3 4  1 7 6  5 9 8
+
+1 9 3  6 5 7  8 2 4
+4 2 6  3 1 8  9 5 7
+7 8 5  9 2 4  1 6 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,5,8,1,null,4,null,0,null,null,3,null,null,null,8,null,4,null,null,null,1,null,null,null,null,5,null,null,1,null,6,null,null,null,null,5,null,8,null,4,null,2,null,null,1,null,null,null,null,5,null,0,null,null,null,6,null,null,null,null,null,null,null,null,null,7,null,null,null,8,3,2,2,null,null,null,null,null,null,null,null],"solution":[6,5,8,1,2,4,7,0,3,0,3,2,5,7,8,1,4,6,4,7,1,3,0,6,2,5,8,7,1,4,6,8,0,3,2,5,5,8,0,4,3,2,6,7,1,3,2,6,7,5,1,0,8,4,8,6,3,2,4,7,5,1,0,1,4,7,0,6,5,8,3,2,2,0,5,8,1,3,4,6,7]}
+PUZZLE:
+_ 6 9  2 _ 5  _ 1 _
+_ 4 _  _ _ 9  _ 5 _
+_ _ 2  _ _ _  _ 6 _
+
+_ 2 _  7 _ _  _ _ 6
+_ 9 _  5 _ 3  _ _ 2
+_ _ _  _ 6 _  1 _ _
+
+_ 7 _  _ _ _  _ _ _
+_ _ 8  _ _ _  9 4 3
+3 _ _  _ _ _  _ _ _
+
+SOLUTION:
+7 6 9  2 3 5  8 1 4
+1 4 3  6 8 9  2 5 7
+5 8 2  4 1 7  3 6 9
+
+8 2 5  7 9 1  4 3 6
+6 9 1  5 4 3  7 8 2
+4 3 7  8 6 2  1 9 5
+
+9 7 4  3 5 8  6 2 1
+2 5 8  1 7 6  9 4 3
+3 1 6  9 2 4  5 7 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,null,8,7,5,1,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,6,4,null,null,7,null,null,null,5,null,null,null,null,3,null,3,null,7,null,null,null,4,null,6,null,null,null,4,null,null,7,null,null,2,null,null,1,null,null,null,8,null,null,null,3,null,null,7,1,null,0,null,8,null,null,null,2,3,null,null],"solution":[6,3,8,7,5,1,2,0,4,5,7,4,3,2,0,8,6,1,0,1,2,6,4,8,5,7,3,1,4,5,2,7,6,0,3,8,3,2,7,8,0,5,4,1,6,8,0,6,4,1,3,7,5,2,2,5,0,1,3,4,6,8,7,4,6,3,5,8,7,1,2,0,7,8,1,0,6,2,3,4,5]}
+PUZZLE:
+_ _ 9  8 6 2  _ _ _
+6 _ _  _ _ _  _ _ _
+_ _ _  7 5 _  _ 8 _
+
+_ _ 6  _ _ _  _ 4 _
+4 _ 8  _ _ _  5 _ 7
+_ _ _  5 _ _  8 _ _
+
+3 _ _  2 _ _  _ 9 _
+_ _ 4  _ _ 8  2 _ 1
+_ 9 _  _ _ 3  4 _ _
+
+SOLUTION:
+7 4 9  8 6 2  3 1 5
+6 8 5  4 3 1  9 7 2
+1 2 3  7 5 9  6 8 4
+
+2 5 6  3 8 7  1 4 9
+4 3 8  9 1 6  5 2 7
+9 1 7  5 2 4  8 6 3
+
+3 6 1  2 4 5  7 9 8
+5 7 4  6 9 8  2 3 1
+8 9 2  1 7 3  4 5 6
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,2,null,8,3,null,null,7,1,null,null,null,null,null,null,null,5,3,null,null,null,null,null,0,null,6,null,null,null,null,null,null,null,null,null,7,null,5,null,null,0,8,null,null,null,null,null,3,null,null,7,2,null,null,null,null,null,1,null,null,null,null,null,0,null,4,null,null,null,3,null,null,null,8,null,2,null,null,6],"solution":[0,6,4,2,1,8,3,5,7,7,1,8,0,5,3,2,6,4,5,3,2,4,6,7,1,0,8,6,2,1,7,8,0,4,3,5,4,7,3,5,2,6,0,8,1,8,0,5,1,3,4,6,7,2,2,5,6,3,7,1,8,4,0,1,8,0,6,4,5,7,2,3,3,4,7,8,0,2,5,1,6]}
+PUZZLE:
+_ _ _  3 _ 9  4 _ _
+8 2 _  _ _ _  _ _ _
+6 4 _  _ _ _  _ 1 _
+
+7 _ _  _ _ _  _ _ _
+_ 8 _  6 _ _  1 9 _
+_ _ _  _ 4 _  _ 8 3
+
+_ _ _  _ _ 2  _ _ _
+_ _ 1  _ 5 _  _ _ 4
+_ _ _  9 _ 3  _ _ 7
+
+SOLUTION:
+1 7 5  3 2 9  4 6 8
+8 2 9  1 6 4  3 7 5
+6 4 3  5 7 8  2 1 9
+
+7 3 2  8 9 1  5 4 6
+5 8 4  6 3 7  1 9 2
+9 1 6  2 4 5  7 8 3
+
+3 6 7  4 8 2  9 5 1
+2 9 1  7 5 6  8 3 4
+4 5 8  9 1 3  6 2 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,5,null,null,null,null,null,2,6,2,0,3,8,null,null,null,null,null,4,null,null,null,5,null,null,null,null,null,6,null,null,3,null,5,4,null,null,3,null,null,null,7,null,null,null,null,null,null,null,null,null,null,1,null,null,null,8,0,null,2,null,null,null,null,null,null,null,6,4,null,null,2,null,null,null,null,null,null,3,null,null],"solution":[8,5,1,7,4,3,0,2,6,2,0,3,8,1,6,4,7,5,4,7,6,2,5,0,1,3,8,0,6,2,1,3,8,5,4,7,1,3,5,4,2,7,8,6,0,7,8,4,6,0,5,2,1,3,3,4,8,0,7,2,6,5,1,5,1,0,3,6,4,7,8,2,6,2,7,5,8,1,3,0,4]}
+PUZZLE:
+_ 6 _  _ _ _  _ 3 7
+3 1 4  9 _ _  _ _ _
+5 _ _  _ 6 _  _ _ _
+
+_ 7 _  _ 4 _  6 5 _
+_ 4 _  _ _ 8  _ _ _
+_ _ _  _ _ _  _ 2 _
+
+_ _ 9  1 _ 3  _ _ _
+_ _ _  _ 7 5  _ _ 3
+_ _ _  _ _ _  4 _ _
+
+SOLUTION:
+9 6 2  8 5 4  1 3 7
+3 1 4  9 2 7  5 8 6
+5 8 7  3 6 1  2 4 9
+
+1 7 3  2 4 9  6 5 8
+2 4 6  5 3 8  9 7 1
+8 9 5  7 1 6  3 2 4
+
+4 5 9  1 8 3  7 6 2
+6 2 1  4 7 5  8 9 3
+7 3 8  6 9 2  4 1 5
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,8,null,null,null,1,null,null,4,null,6,3,8,null,null,null,7,null,3,null,null,6,null,null,null,null,2,null,null,null,7,4,8,null,null,null,null,null,null,null,0,2,null,null,3,null,null,null,null,null,null,null,null,null,6,null,0,1,null,null,null,null,7,0,null,null,null,null,5,null,4,null,null,null,null,null,null,null,null,null],"solution":[5,7,8,4,0,2,1,3,6,4,2,6,3,8,1,0,5,7,0,3,1,5,6,7,4,2,8,2,1,5,6,7,4,8,0,3,6,8,7,1,3,0,2,4,5,3,4,0,2,5,8,7,6,1,8,6,4,0,1,5,3,7,2,7,0,3,8,2,6,5,1,4,1,5,2,7,4,3,6,8,0]}
+PUZZLE:
+_ _ 9  _ _ _  2 _ _
+5 _ 7  4 9 _  _ _ 8
+_ 4 _  _ 7 _  _ _ _
+
+3 _ _  _ 8 5  9 _ _
+_ _ _  _ _ 1  3 _ _
+4 _ _  _ _ _  _ _ _
+
+_ 7 _  1 2 _  _ _ _
+8 1 _  _ _ _  6 _ 5
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+6 8 9  5 1 3  2 4 7
+5 3 7  4 9 2  1 6 8
+1 4 2  6 7 8  5 3 9
+
+3 2 6  7 8 5  9 1 4
+7 9 8  2 4 1  3 5 6
+4 5 1  3 6 9  8 7 2
+
+9 7 5  1 2 6  4 8 3
+8 1 4  9 3 7  6 2 5
+2 6 3  8 5 4  7 9 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,8,5,null,null,null,6,null,null,null,7,4,8,2,1,null,null,null,null,null,null,null,null,6,null,null,null,4,1,null,null,null,null,null,null,4,null,null,null,null,1,null,8,null,null,null,null,0,6,null,null,null,5,8,null,null,7,null,null,null,null,null,null,null,null,null,null,4,null,null,null,1,2,null,null,null,6,null],"solution":[1,4,2,6,8,5,7,0,3,6,0,5,3,7,4,8,2,1,3,8,7,1,0,2,4,5,6,7,2,0,4,1,6,3,8,5,5,6,4,7,3,8,2,1,0,8,1,3,5,2,0,6,7,4,4,5,8,0,6,7,1,3,2,2,3,6,8,5,1,0,4,7,0,7,1,2,4,3,5,6,8]}
+PUZZLE:
+_ _ _  _ 9 6  _ _ _
+7 _ _  _ 8 5  9 3 2
+_ _ _  _ _ _  _ _ 7
+
+_ _ _  5 2 _  _ _ _
+_ _ 5  _ _ _  _ 2 _
+9 _ _  _ _ 1  7 _ _
+
+_ 6 9  _ _ 8  _ _ _
+_ _ _  _ _ _  _ 5 _
+_ _ 2  3 _ _  _ 7 _
+
+SOLUTION:
+2 5 3  7 9 6  8 1 4
+7 1 6  4 8 5  9 3 2
+4 9 8  2 1 3  5 6 7
+
+8 3 1  5 2 7  4 9 6
+6 7 5  8 4 9  3 2 1
+9 2 4  6 3 1  7 8 5
+
+5 6 9  1 7 8  2 4 3
+3 4 7  9 6 2  1 5 8
+1 8 2  3 5 4  6 7 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,null,null,null,3,null,2,null,null,null,0,null,null,7,5,null,null,null,null,3,null,null,0,null,6,7,0,null,5,null,null,null,1,null,null,null,null,null,2,4,null,7,null,null,null,2,8,null,null,null,null,null,0,2,null,null,null,null,null,null,null,null,7,3,null,null,null,null,null,null,5,null,1,null,null,7,null,null,null],"solution":[6,8,0,7,1,5,3,4,2,2,3,4,0,8,6,7,5,1,1,5,7,3,4,2,0,8,6,7,0,8,5,6,3,2,1,4,3,6,5,1,2,4,8,7,0,4,1,2,8,7,0,5,6,3,0,2,6,4,5,8,1,3,7,8,7,3,6,0,1,4,2,5,5,4,1,2,3,7,6,0,8]}
+PUZZLE:
+_ 9 _  _ _ _  4 _ 3
+_ _ _  1 _ _  8 6 _
+_ _ _  4 _ _  1 _ 7
+
+8 1 _  6 _ _  _ 2 _
+_ _ _  _ 3 5  _ 8 _
+_ _ 3  9 _ _  _ _ _
+
+1 3 _  _ _ _  _ _ _
+_ 8 4  _ _ _  _ _ _
+6 _ 2  _ _ 8  _ _ _
+
+SOLUTION:
+7 9 1  8 2 6  4 5 3
+3 4 5  1 9 7  8 6 2
+2 6 8  4 5 3  1 9 7
+
+8 1 9  6 7 4  3 2 5
+4 7 6  2 3 5  9 8 1
+5 2 3  9 8 1  6 7 4
+
+1 3 7  5 6 9  2 4 8
+9 8 4  7 1 2  5 3 6
+6 5 2  3 4 8  7 1 9
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,null,null,null,0,null,null,null,4,null,null,null,null,null,3,null,3,null,null,null,null,null,1,null,6,null,3,null,0,null,8,null,2,null,null,null,5,1,4,null,null,null,null,7,null,null,null,5,null,null,0,null,null,1,3,null,null,5,null,6,null,null,null,null,null,null,2,null,null,8,5,null,6,null,0,null,null,null,7],"solution":[1,5,2,3,8,6,0,7,4,6,4,7,5,1,0,8,3,2,3,8,0,7,2,4,1,5,6,4,3,1,0,6,8,7,2,5,2,0,5,1,4,7,6,8,3,7,6,8,2,5,3,4,0,1,8,1,3,4,7,5,2,6,0,0,7,4,6,3,2,5,1,8,5,2,6,8,0,1,3,4,7]}
+PUZZLE:
+_ _ _  _ _ _  1 _ _
+_ 5 _  _ _ _  _ 4 _
+4 _ _  _ _ _  2 _ 7
+
+_ 4 _  1 _ 9  _ 3 _
+_ _ 6  2 5 _  _ _ _
+8 _ _  _ 6 _  _ 1 _
+
+_ 2 4  _ _ 6  _ 7 _
+_ _ _  _ _ 3  _ _ 9
+6 _ 7  _ 1 _  _ _ 8
+
+SOLUTION:
+2 6 3  4 9 7  1 8 5
+7 5 8  6 2 1  9 4 3
+4 9 1  8 3 5  2 6 7
+
+5 4 2  1 7 9  8 3 6
+3 1 6  2 5 8  7 9 4
+8 7 9  3 6 4  5 1 2
+
+9 2 4  5 8 6  3 7 1
+1 8 5  7 4 3  6 2 9
+6 3 7  9 1 2  4 5 8
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,3,4,null,null,null,null,null,0,null,4,5,null,2,null,3,null,null,5,null,null,null,0,null,null,null,null,null,1,null,null,null,null,8,null,6,null,0,1,null,8,5,null,null,null,4,null,null,null,null,null,null,null,null,2,null,null,null,null,1,null,null,null,null,null,8,null,null,4,null,null,7,null,null,null,2,null,6,null,null],"solution":[2,8,3,4,6,7,0,1,5,0,6,4,5,1,2,8,3,7,1,5,7,3,8,0,2,4,6,5,3,1,2,4,6,7,8,0,6,7,0,1,3,8,5,2,4,8,4,2,7,0,5,3,6,1,4,2,5,6,7,3,1,0,8,3,0,6,8,5,1,4,7,2,7,1,8,0,2,4,6,5,3]}
+PUZZLE:
+_ _ 4  5 _ _  _ _ _
+1 _ 5  6 _ 3  _ 4 _
+_ 6 _  _ _ 1  _ _ _
+
+_ _ 2  _ _ _  _ 9 _
+7 _ 1  2 _ 9  6 _ _
+_ 5 _  _ _ _  _ _ _
+
+_ 3 _  _ _ _  2 _ _
+_ _ _  9 _ _  5 _ _
+8 _ _  _ 3 _  7 _ _
+
+SOLUTION:
+3 9 4  5 7 8  1 2 6
+1 7 5  6 2 3  9 4 8
+2 6 8  4 9 1  3 5 7
+
+6 4 2  3 5 7  8 9 1
+7 8 1  2 4 9  6 3 5
+9 5 3  8 1 6  4 7 2
+
+5 3 6  7 8 4  2 1 9
+4 1 7  9 6 2  5 8 3
+8 2 9  1 3 5  7 6 4
+
+RATING: 4.25
+DATA:
+{"puzzle":[null,null,null,null,null,null,2,null,7,4,null,null,null,null,7,null,null,null,3,null,null,5,null,null,null,6,null,6,null,null,1,null,null,null,0,null,null,7,null,null,null,null,6,null,null,null,2,1,3,null,null,null,5,null,null,null,null,null,2,null,null,null,1,null,5,null,null,null,3,0,null,null,null,3,null,7,null,5,null,null,null],"solution":[5,0,6,8,3,1,2,4,7,4,1,2,0,6,7,3,8,5,3,8,7,5,4,2,1,6,0,6,4,3,1,5,8,7,0,2,8,7,5,2,0,4,6,1,3,0,2,1,3,7,6,8,5,4,7,6,8,4,2,0,5,3,1,2,5,4,6,1,3,0,7,8,1,3,0,7,8,5,4,2,6]}
+PUZZLE:
+_ _ _  _ _ _  3 _ 8
+5 _ _  _ _ 8  _ _ _
+4 _ _  6 _ _  _ 7 _
+
+7 _ _  2 _ _  _ 1 _
+_ 8 _  _ _ _  7 _ _
+_ 3 2  4 _ _  _ 6 _
+
+_ _ _  _ 3 _  _ _ 2
+_ 6 _  _ _ 4  1 _ _
+_ 4 _  8 _ 6  _ _ _
+
+SOLUTION:
+6 1 7  9 4 2  3 5 8
+5 2 3  1 7 8  4 9 6
+4 9 8  6 5 3  2 7 1
+
+7 5 4  2 6 9  8 1 3
+9 8 6  3 1 5  7 2 4
+1 3 2  4 8 7  9 6 5
+
+8 7 9  5 3 1  6 4 2
+3 6 5  7 2 4  1 8 9
+2 4 1  8 9 6  5 3 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,2,null,null,1,null,null,5,null,0,null,4,null,null,6,null,null,null,null,null,6,5,null,null,0,null,null,null,null,null,2,4,1,null,null,null,null,3,null,null,0,null,1,null,null,null,null,null,null,null,null,null,4,null,3,null,null,null,null,2,null,null,7,null,null,2,null,null,null,null,1,null,null,1,0,8,7,null,null,3,null],"solution":[8,2,3,4,1,0,7,5,6,0,5,4,7,2,6,3,8,1,1,7,6,5,3,8,0,2,4,5,0,7,2,4,1,8,6,3,4,3,8,6,0,5,1,7,2,2,6,1,3,8,7,5,4,0,3,8,5,1,6,2,4,0,7,7,4,2,0,5,3,6,1,8,6,1,0,8,7,4,2,3,5]}
+PUZZLE:
+_ 3 _  _ 2 _  _ 6 _
+1 _ 5  _ _ 7  _ _ _
+_ _ 7  6 _ _  1 _ _
+
+_ _ _  3 5 2  _ _ _
+_ 4 _  _ 1 _  2 _ _
+_ _ _  _ _ _  _ 5 _
+
+4 _ _  _ _ 3  _ _ 8
+_ _ 3  _ _ _  _ 2 _
+_ 2 1  9 8 _  _ 4 _
+
+SOLUTION:
+9 3 4  5 2 1  8 6 7
+1 6 5  8 3 7  4 9 2
+2 8 7  6 4 9  1 3 5
+
+6 1 8  3 5 2  9 7 4
+5 4 9  7 1 6  2 8 3
+3 7 2  4 9 8  6 5 1
+
+4 9 6  2 7 3  5 1 8
+8 5 3  1 6 4  7 2 9
+7 2 1  9 8 5  3 4 6
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,null,null,3,null,0,5,4,null,null,null,null,5,null,null,null,null,null,null,0,6,null,null,2,null,null,null,null,null,null,8,null,null,1,null,null,null,null,4,null,1,null,8,3,null,7,null,null,null,null,4,null,null,null,null,null,null,null,null,8,2,5,null,1,null,null,null,4,null,null,null,3,null,2,null,null,null,null,null,0,null],"solution":[8,1,7,3,6,0,5,4,2,3,4,2,5,8,1,6,7,0,5,0,6,4,7,2,3,1,8,0,3,5,8,2,7,1,6,4,2,6,4,0,1,5,8,3,7,7,8,1,6,3,4,0,2,5,4,7,3,1,0,8,2,5,6,1,5,0,2,4,6,7,8,3,6,2,8,7,5,3,4,0,1]}
+PUZZLE:
+_ _ _  4 _ 1  6 5 _
+_ _ _  6 _ _  _ _ _
+_ 1 7  _ _ 3  _ _ _
+
+_ _ _  9 _ _  2 _ _
+_ _ 5  _ 2 _  9 4 _
+8 _ _  _ _ 5  _ _ _
+
+_ _ _  _ _ 9  3 6 _
+2 _ _  _ 5 _  _ _ 4
+_ 3 _  _ _ _  _ 1 _
+
+SOLUTION:
+9 2 8  4 7 1  6 5 3
+4 5 3  6 9 2  7 8 1
+6 1 7  5 8 3  4 2 9
+
+1 4 6  9 3 8  2 7 5
+3 7 5  1 2 6  9 4 8
+8 9 2  7 4 5  1 3 6
+
+5 8 4  2 1 9  3 6 7
+2 6 1  3 5 7  8 9 4
+7 3 9  8 6 4  5 1 2
+
+RATING: 2
+DATA:
+{"puzzle":[null,5,null,null,3,8,1,null,null,null,null,4,null,0,null,null,null,8,null,null,null,5,null,2,null,null,null,null,4,null,1,null,null,null,null,null,null,null,null,null,8,null,null,null,null,null,1,null,null,null,3,5,null,null,null,null,2,null,1,null,null,7,null,8,null,null,null,null,5,null,4,0,null,3,7,null,null,null,2,null,null],"solution":[7,5,0,6,3,8,1,2,4,3,2,4,7,0,1,6,5,8,1,8,6,5,4,2,7,0,3,6,4,3,1,5,7,0,8,2,2,7,5,0,8,6,4,3,1,0,1,8,4,2,3,5,6,7,5,0,2,3,1,4,8,7,6,8,6,1,2,7,5,3,4,0,4,3,7,8,6,0,2,1,5]}
+PUZZLE:
+_ 6 _  _ 4 9  2 _ _
+_ _ 5  _ 1 _  _ _ 9
+_ _ _  6 _ 3  _ _ _
+
+_ 5 _  2 _ _  _ _ _
+_ _ _  _ 9 _  _ _ _
+_ 2 _  _ _ 4  6 _ _
+
+_ _ 3  _ 2 _  _ 8 _
+9 _ _  _ _ 6  _ 5 1
+_ 4 8  _ _ _  3 _ _
+
+SOLUTION:
+8 6 1  7 4 9  2 3 5
+4 3 5  8 1 2  7 6 9
+2 9 7  6 5 3  8 1 4
+
+7 5 4  2 6 8  1 9 3
+3 8 6  1 9 7  5 4 2
+1 2 9  5 3 4  6 7 8
+
+6 1 3  4 2 5  9 8 7
+9 7 2  3 8 6  4 5 1
+5 4 8  9 7 1  3 2 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[3,null,6,null,null,4,null,null,8,8,null,null,null,null,null,null,null,null,null,1,null,null,5,8,4,null,null,null,null,7,null,null,null,null,1,null,6,null,null,null,null,5,null,null,null,null,4,null,1,0,null,null,3,null,null,null,null,null,null,null,7,null,null,1,null,null,0,6,null,null,2,null,2,null,null,4,null,1,5,null,null],"solution":[3,0,6,7,1,4,2,5,8,8,5,4,2,3,0,1,7,6,7,1,2,6,5,8,4,0,3,0,2,7,3,4,6,8,1,5,6,3,1,8,7,5,0,4,2,5,4,8,1,0,2,6,3,7,4,6,0,5,2,3,7,8,1,1,8,5,0,6,7,3,2,4,2,7,3,4,8,1,5,6,0]}
+PUZZLE:
+4 _ 7  _ _ 5  _ _ 9
+9 _ _  _ _ _  _ _ _
+_ 2 _  _ 6 9  5 _ _
+
+_ _ 8  _ _ _  _ 2 _
+7 _ _  _ _ 6  _ _ _
+_ 5 _  2 1 _  _ 4 _
+
+_ _ _  _ _ _  8 _ _
+2 _ _  1 7 _  _ 3 _
+3 _ _  5 _ 2  6 _ _
+
+SOLUTION:
+4 1 7  8 2 5  3 6 9
+9 6 5  3 4 1  2 8 7
+8 2 3  7 6 9  5 1 4
+
+1 3 8  4 5 7  9 2 6
+7 4 2  9 8 6  1 5 3
+6 5 9  2 1 3  7 4 8
+
+5 7 1  6 3 4  8 9 2
+2 9 6  1 7 8  4 3 5
+3 8 4  5 9 2  6 7 1
+
+RATING: 1.5
+DATA:
+{"puzzle":[5,null,null,null,null,null,null,0,7,null,null,null,null,null,null,null,null,null,null,4,null,null,8,6,5,null,null,null,null,1,null,5,null,null,null,3,null,0,null,null,null,8,null,null,null,null,8,null,2,7,null,null,null,0,null,1,3,null,4,null,null,null,5,null,null,null,null,null,7,null,null,null,0,null,null,null,2,null,1,null,null],"solution":[5,3,8,4,1,2,6,0,7,1,2,6,7,0,5,3,4,8,7,4,0,3,8,6,5,1,2,2,6,1,0,5,4,8,7,3,4,0,7,6,3,8,2,5,1,3,8,5,2,7,1,4,6,0,6,1,3,8,4,0,7,2,5,8,5,2,1,6,7,0,3,4,0,7,4,5,2,3,1,8,6]}
+PUZZLE:
+6 _ _  _ _ _  _ 1 8
+_ _ _  _ _ _  _ _ _
+_ 5 _  _ 9 7  6 _ _
+
+_ _ 2  _ 6 _  _ _ 4
+_ 1 _  _ _ 9  _ _ _
+_ 9 _  3 8 _  _ _ 1
+
+_ 2 4  _ 5 _  _ _ 6
+_ _ _  _ _ 8  _ _ _
+1 _ _  _ 3 _  2 _ _
+
+SOLUTION:
+6 4 9  5 2 3  7 1 8
+2 3 7  8 1 6  4 5 9
+8 5 1  4 9 7  6 2 3
+
+3 7 2  1 6 5  9 8 4
+5 1 8  7 4 9  3 6 2
+4 9 6  3 8 2  5 7 1
+
+7 2 4  9 5 1  8 3 6
+9 6 3  2 7 8  1 4 5
+1 8 5  6 3 4  2 9 7
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,null,6,null,null,null,1,7,null,null,null,1,null,null,null,null,null,null,6,null,null,3,null,7,5,8,null,null,null,4,null,null,null,null,null,null,2,null,null,5,null,null,null,null,null,7,8,0,null,4,3,null,null,null,0,null,null,null,6,null,null,null,null,null,4,null,null,null,null,7,null,2,null,null,null,null,null,5,0],"solution":[2,0,5,7,6,4,3,8,1,7,8,3,5,1,2,0,6,4,4,1,6,0,8,3,2,7,5,8,3,1,2,4,7,5,0,6,0,4,2,6,3,5,7,1,8,6,5,7,8,0,1,4,3,2,5,7,0,1,2,8,6,4,3,3,6,8,4,5,0,1,2,7,1,2,4,3,7,6,8,5,0]}
+PUZZLE:
+_ _ _  _ 7 _  _ _ 2
+8 _ _  _ 2 _  _ _ _
+_ _ 7  _ _ 4  _ 8 6
+
+9 _ _  _ 5 _  _ _ _
+_ _ 3  _ _ 6  _ _ _
+_ _ 8  9 1 _  5 4 _
+
+_ _ 1  _ _ _  7 _ _
+_ _ _  5 _ _  _ _ 8
+_ 3 _  _ _ _  _ 6 1
+
+SOLUTION:
+3 1 6  8 7 5  4 9 2
+8 9 4  6 2 3  1 7 5
+5 2 7  1 9 4  3 8 6
+
+9 4 2  3 5 8  6 1 7
+1 5 3  7 4 6  8 2 9
+7 6 8  9 1 2  5 4 3
+
+6 8 1  2 3 9  7 5 4
+4 7 9  5 6 1  2 3 8
+2 3 5  4 8 7  9 6 1
+
+RATING: 3.25
+DATA:
+{"puzzle":[null,null,4,5,null,8,null,1,null,0,1,null,null,null,null,8,null,null,5,null,6,7,null,null,null,2,4,null,null,null,6,2,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,null,4,2,0,null,2,4,null,null,5,null,3,null,null,null,null,null,null,null,null,null,null,1,null,3,5,null,4,6,null,null,null],"solution":[7,2,4,5,0,8,6,1,3,0,1,3,4,6,2,8,5,7,5,8,6,7,1,3,0,2,4,4,7,8,6,2,0,1,3,5,3,0,2,1,8,5,4,7,6,6,5,1,3,7,4,2,0,8,2,4,7,8,5,1,3,6,0,8,6,0,2,3,7,5,4,1,1,3,5,0,4,6,7,8,2]}
+PUZZLE:
+_ _ 5  6 _ 9  _ 2 _
+1 2 _  _ _ _  9 _ _
+6 _ 7  8 _ _  _ 3 5
+
+_ _ _  7 3 _  _ _ 6
+_ _ _  _ _ _  _ _ _
+_ _ _  _ _ 5  3 1 _
+
+3 5 _  _ 6 _  4 _ _
+_ _ _  _ _ _  _ _ 2
+_ 4 6  _ 5 7  _ _ _
+
+SOLUTION:
+8 3 5  6 1 9  7 2 4
+1 2 4  5 7 3  9 6 8
+6 9 7  8 2 4  1 3 5
+
+5 8 9  7 3 1  2 4 6
+4 1 3  2 9 6  5 8 7
+7 6 2  4 8 5  3 1 9
+
+3 5 8  9 6 2  4 7 1
+9 7 1  3 4 8  6 5 2
+2 4 6  1 5 7  8 9 3
+
+RATING: 1
+DATA:
+{"puzzle":[3,null,null,null,null,7,null,null,null,null,0,null,null,null,null,null,null,1,6,null,null,null,null,null,4,null,8,null,3,null,null,null,1,2,0,null,null,1,null,null,null,null,null,null,null,null,null,null,3,null,2,null,5,6,null,null,null,5,4,null,null,2,null,null,null,0,8,null,null,null,null,null,null,null,7,null,null,null,3,null,null],"solution":[3,8,5,4,1,7,0,6,2,7,0,4,2,6,8,5,3,1,6,2,1,0,3,5,4,7,8,5,3,6,7,8,1,2,0,4,0,1,2,6,5,4,7,8,3,4,7,8,3,0,2,1,5,6,1,6,3,5,4,0,8,2,7,2,4,0,8,7,3,6,1,5,8,5,7,1,2,6,3,4,0]}
+PUZZLE:
+4 _ _  _ _ 8  _ _ _
+_ 1 _  _ _ _  _ _ 2
+7 _ _  _ _ _  5 _ 9
+
+_ 4 _  _ _ 2  3 1 _
+_ 2 _  _ _ _  _ _ _
+_ _ _  4 _ 3  _ 6 7
+
+_ _ _  6 5 _  _ 3 _
+_ _ 1  9 _ _  _ _ _
+_ _ 8  _ _ _  4 _ _
+
+SOLUTION:
+4 9 6  5 2 8  1 7 3
+8 1 5  3 7 9  6 4 2
+7 3 2  1 4 6  5 8 9
+
+6 4 7  8 9 2  3 1 5
+1 2 3  7 6 5  8 9 4
+5 8 9  4 1 3  2 6 7
+
+2 7 4  6 5 1  9 3 8
+3 5 1  9 8 4  7 2 6
+9 6 8  2 3 7  4 5 1
+
+RATING: 3
+DATA:
+{"puzzle":[6,8,null,null,7,null,2,null,null,null,null,null,null,null,0,null,null,null,3,null,null,null,null,2,5,null,7,7,null,null,8,null,3,4,5,null,null,null,null,null,null,5,null,null,null,2,null,null,null,null,null,null,null,6,null,null,null,null,null,null,7,8,null,null,1,null,3,null,null,null,0,null,null,4,null,0,null,null,null,null,null],"solution":[6,8,5,4,7,1,2,3,0,4,7,2,5,3,0,8,6,1,3,0,1,6,8,2,5,4,7,7,6,0,8,1,3,4,5,2,1,3,4,2,6,5,0,7,8,2,5,8,7,0,4,3,1,6,0,2,3,1,4,6,7,8,5,5,1,7,3,2,8,6,0,4,8,4,6,0,5,7,1,2,3]}
+PUZZLE:
+7 9 _  _ 8 _  3 _ _
+_ _ _  _ _ 1  _ _ _
+4 _ _  _ _ 3  6 _ 8
+
+8 _ _  9 _ 4  5 6 _
+_ _ _  _ _ 6  _ _ _
+3 _ _  _ _ _  _ _ 7
+
+_ _ _  _ _ _  8 9 _
+_ 2 _  4 _ _  _ 1 _
+_ 5 _  1 _ _  _ _ _
+
+SOLUTION:
+7 9 6  5 8 2  3 4 1
+5 8 3  6 4 1  9 7 2
+4 1 2  7 9 3  6 5 8
+
+8 7 1  9 2 4  5 6 3
+2 4 5  3 7 6  1 8 9
+3 6 9  8 1 5  4 2 7
+
+1 3 4  2 5 7  8 9 6
+6 2 8  4 3 9  7 1 5
+9 5 7  1 6 8  2 3 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,4,null,null,null,null,5,4,8,null,2,5,null,null,null,null,null,2,null,null,7,null,null,null,null,null,1,null,null,null,6,8,null,null,null,null,null,0,null,null,3,null,null,6,0,5,null,null,null,null,4,null,null,null,1,null,0,4,2,null,null,null,null,null,null,null,8,null,null,null,8,null,null,3,null,null,5,null,null],"solution":[1,3,7,4,8,0,6,2,5,4,8,6,2,5,1,0,7,3,5,2,0,6,7,3,4,1,8,2,1,3,7,4,6,8,5,0,7,4,8,0,1,5,3,6,2,6,0,5,8,3,2,1,4,7,3,7,1,5,0,4,2,8,6,0,5,2,1,6,8,7,3,4,8,6,4,3,2,7,5,0,1]}
+PUZZLE:
+_ _ _  5 _ _  _ _ 6
+5 9 _  3 6 _  _ _ _
+_ 3 _  _ 8 _  _ _ _
+
+_ 2 _  _ _ 7  9 _ _
+_ _ _  1 _ _  4 _ _
+7 1 6  _ _ _  _ 5 _
+
+_ _ 2  _ 1 5  3 _ _
+_ _ _  _ _ 9  _ _ _
+9 _ _  4 _ _  6 _ _
+
+SOLUTION:
+2 4 8  5 9 1  7 3 6
+5 9 7  3 6 2  1 8 4
+6 3 1  7 8 4  5 2 9
+
+3 2 4  8 5 7  9 6 1
+8 5 9  1 2 6  4 7 3
+7 1 6  9 4 3  2 5 8
+
+4 8 2  6 1 5  3 9 7
+1 6 3  2 7 9  8 4 5
+9 7 5  4 3 8  6 1 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,4,null,1,null,null,null,null,null,6,null,null,null,0,null,null,0,null,3,null,null,null,null,null,5,null,null,2,null,null,6,null,5,null,null,null,null,null,4,null,null,0,null,null,null,8,5,null,null,null,null,2,8,null,null,6,null,null,7,null,3,null,null,null,null,7,4,null,null,null,3,null,null,null,null,null,null,1,null],"solution":[5,8,7,4,0,1,2,3,6,4,1,6,2,5,3,0,7,8,0,2,3,7,6,8,1,4,5,7,4,2,0,8,6,3,5,1,6,3,5,1,4,2,8,0,7,1,0,8,5,3,7,4,6,2,8,5,4,6,1,0,7,2,3,2,6,1,3,7,4,5,8,0,3,7,0,8,2,5,6,1,4]}
+PUZZLE:
+_ 9 _  5 _ 2  _ _ _
+_ _ 7  _ _ _  1 _ _
+1 _ 4  _ _ _  _ _ 6
+
+_ _ 3  _ _ 7  _ 6 _
+_ _ _  _ 5 _  _ 1 _
+_ _ 9  6 _ _  _ _ 3
+
+9 _ _  7 _ _  8 _ 4
+_ _ _  _ 8 5  _ _ _
+4 _ _  _ _ _  _ 2 _
+
+SOLUTION:
+6 9 8  5 1 2  3 4 7
+5 2 7  3 6 4  1 8 9
+1 3 4  8 7 9  2 5 6
+
+8 5 3  1 9 7  4 6 2
+7 4 6  2 5 3  9 1 8
+2 1 9  6 4 8  5 7 3
+
+9 6 5  7 2 1  8 3 4
+3 7 2  4 8 5  6 9 1
+4 8 1  9 3 6  7 2 5
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,0,null,null,null,null,4,null,null,null,null,null,3,null,null,null,null,null,5,null,7,1,8,null,null,null,null,0,null,null,null,2,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,null,null,null,null,3,7,1,7,4,null,null,null,null,6,null,null,null,null,8,null,3,null,null,null,2,null,null,2,6,null,null,null,8,5],"solution":[1,0,6,2,7,5,4,3,8,2,8,4,3,0,6,1,5,7,5,3,7,1,8,4,2,0,6,0,7,1,5,2,3,8,6,4,8,6,3,4,1,7,5,2,0,4,2,5,0,6,8,3,7,1,7,4,0,8,5,2,6,1,3,6,5,8,7,3,1,0,4,2,3,1,2,6,4,0,7,8,5]}
+PUZZLE:
+_ 1 _  _ _ _  5 _ _
+_ _ _  4 _ _  _ _ _
+6 _ 8  2 9 _  _ _ _
+
+1 _ _  _ 3 _  _ _ _
+_ _ _  _ _ _  _ _ _
+5 _ _  _ _ _  4 8 2
+
+8 5 _  _ _ _  7 _ _
+_ _ 9  _ 4 _  _ _ 3
+_ _ 3  7 _ _  _ 9 6
+
+SOLUTION:
+2 1 7  3 8 6  5 4 9
+3 9 5  4 1 7  2 6 8
+6 4 8  2 9 5  3 1 7
+
+1 8 2  6 3 4  9 7 5
+9 7 4  5 2 8  6 3 1
+5 3 6  1 7 9  4 8 2
+
+8 5 1  9 6 3  7 2 4
+7 6 9  8 4 2  1 5 3
+4 2 3  7 5 1  8 9 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,2,0,5,3,null,8,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,2,null,3,null,4,0,null,null,null,0,null,null,7,3,null,null,null,4,null,null,5,null,null,1,null,null,null,7,null,null,2,null,null,null,null,2,null,null,null,null,null,null,3,null,null,1,null,null,0,null,null,8],"solution":[1,6,4,7,0,5,8,3,2,0,5,3,2,8,6,7,4,1,2,7,8,1,4,3,5,6,0,7,8,2,6,3,1,4,0,5,5,1,0,4,2,7,3,8,6,3,4,6,0,5,8,2,1,7,8,0,7,3,6,2,1,5,4,6,2,5,8,1,4,0,7,3,4,3,1,5,7,0,6,2,8]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 3
+1 6 4  _ 9 _  _ _ _
+_ _ _  _ _ _  _ 7 _
+
+_ _ 3  _ 4 _  5 1 _
+_ _ 1  _ _ 8  4 _ _
+_ 5 _  _ 6 _  _ 2 _
+
+_ _ 8  _ _ 3  _ _ _
+_ 3 _  _ _ _  _ _ 4
+_ _ 2  _ _ 1  _ _ 9
+
+SOLUTION:
+2 7 5  8 1 6  9 4 3
+1 6 4  3 9 7  8 5 2
+3 8 9  2 5 4  6 7 1
+
+8 9 3  7 4 2  5 1 6
+6 2 1  5 3 8  4 9 7
+4 5 7  1 6 9  3 2 8
+
+9 1 8  4 7 3  2 6 5
+7 3 6  9 2 5  1 8 4
+5 4 2  6 8 1  7 3 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,6,null,null,8,null,null,1,null,1,null,null,3,null,4,null,null,3,null,null,null,null,null,null,null,2,null,null,null,null,6,3,null,4,null,5,6,null,1,7,null,null,null,null,null,3,8,5,null,null,null,null,null,0,null,null,null,null,6,7,null,null,null,null,null,null,null,0,null,3,5,null,2,1,null,null,null,null,null,null],"solution":[2,4,6,0,5,8,3,7,1,8,1,5,2,3,7,4,0,6,3,0,7,6,4,1,8,5,2,1,7,2,8,6,3,5,4,0,5,6,0,1,7,4,2,8,3,4,3,8,5,0,2,6,1,7,0,5,3,4,1,6,7,2,8,6,8,4,7,2,0,1,3,5,7,2,1,3,8,5,0,6,4]}
+PUZZLE:
+_ _ 7  _ _ 9  _ _ 2
+_ 2 _  _ 4 _  5 _ _
+4 _ _  _ _ _  _ _ 3
+
+_ _ _  _ 7 4  _ 5 _
+6 7 _  2 8 _  _ _ _
+_ 4 9  6 _ _  _ _ _
+
+1 _ _  _ _ 7  8 _ _
+_ _ _  _ _ 1  _ 4 6
+_ 3 2  _ _ _  _ _ _
+
+SOLUTION:
+3 5 7  1 6 9  4 8 2
+9 2 6  3 4 8  5 1 7
+4 1 8  7 5 2  9 6 3
+
+2 8 3  9 7 4  6 5 1
+6 7 1  2 8 5  3 9 4
+5 4 9  6 1 3  7 2 8
+
+1 6 4  5 2 7  8 3 9
+7 9 5  8 3 1  2 4 6
+8 3 2  4 9 6  1 7 5
+
+RATING: 2
+DATA:
+{"puzzle":[null,5,null,4,null,null,3,null,null,null,7,null,null,null,null,null,null,null,null,null,null,1,null,3,7,null,null,8,2,null,null,4,5,null,6,null,5,null,null,null,null,null,2,null,null,1,6,null,3,null,null,null,8,null,null,null,null,null,null,1,null,0,8,6,null,8,null,null,null,null,null,null,null,null,null,2,null,null,null,5,null],"solution":[0,5,2,4,8,7,3,1,6,3,7,1,0,6,2,8,4,5,4,8,6,1,5,3,7,2,0,8,2,3,7,4,5,0,6,1,5,4,0,8,1,6,2,3,7,1,6,7,3,2,0,5,8,4,2,3,5,6,7,1,4,0,8,6,0,8,5,3,4,1,7,2,7,1,4,2,0,8,6,5,3]}
+PUZZLE:
+_ 6 _  5 _ _  4 _ _
+_ 8 _  _ _ _  _ _ _
+_ _ _  2 _ 4  8 _ _
+
+9 3 _  _ 5 6  _ 7 _
+6 _ _  _ _ _  3 _ _
+2 7 _  4 _ _  _ 9 _
+
+_ _ _  _ _ 2  _ 1 9
+7 _ 9  _ _ _  _ _ _
+_ _ _  3 _ _  _ 6 _
+
+SOLUTION:
+1 6 3  5 9 8  4 2 7
+4 8 2  1 7 3  9 5 6
+5 9 7  2 6 4  8 3 1
+
+9 3 4  8 5 6  1 7 2
+6 5 1  9 2 7  3 4 8
+2 7 8  4 3 1  6 9 5
+
+3 4 6  7 8 2  5 1 9
+7 1 9  6 4 5  2 8 3
+8 2 5  3 1 9  7 6 4
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,4,null,null,null,2,null,null,null,null,6,null,8,null,null,null,null,null,null,0,null,5,null,null,4,7,null,null,null,5,null,null,null,null,null,null,0,null,null,2,null,null,null,8,2,null,null,null,4,null,6,5,null,null,null,null,3,null,null,null,null,null,null,null,7,null,null,1,null,3,4,null,1,null,null,null,null,8,null,null],"solution":[5,7,4,0,1,3,2,8,6,1,2,6,7,8,4,5,0,3,3,8,0,6,5,2,1,4,7,7,6,8,5,3,0,4,2,1,4,0,5,1,2,6,3,7,8,2,3,1,8,4,7,6,5,0,6,4,2,3,0,8,7,1,5,8,5,7,2,6,1,0,3,4,0,1,3,4,7,5,8,6,2]}
+PUZZLE:
+_ 8 5  _ _ _  3 _ _
+_ _ 7  _ 9 _  _ _ _
+_ _ 1  _ 6 _  _ 5 8
+
+_ _ _  6 _ _  _ _ _
+_ 1 _  _ 3 _  _ _ 9
+3 _ _  _ 5 _  7 6 _
+
+_ _ _  4 _ _  _ _ _
+_ _ 8  _ _ 2  _ 4 5
+_ 2 _  _ _ _  9 _ _
+
+SOLUTION:
+6 8 5  1 2 4  3 9 7
+2 3 7  8 9 5  6 1 4
+4 9 1  7 6 3  2 5 8
+
+8 7 9  6 4 1  5 3 2
+5 1 6  2 3 7  4 8 9
+3 4 2  9 5 8  7 6 1
+
+7 5 3  4 1 9  8 2 6
+9 6 8  3 7 2  1 4 5
+1 2 4  5 8 6  9 7 3
+
+RATING: 2
+DATA:
+{"puzzle":[null,5,null,null,null,3,null,null,null,7,null,null,null,1,4,null,null,null,null,null,8,null,null,null,7,null,1,5,4,null,null,8,null,null,null,null,null,0,6,4,7,2,null,null,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,7,6,null,null,2,null,null,null,1,8,null,null,null,null,6,0,2,3,null],"solution":[4,5,1,7,2,3,8,0,6,7,6,0,8,1,4,3,5,2,3,2,8,0,5,6,7,4,1,5,4,7,3,8,1,6,2,0,1,0,6,4,7,2,5,8,3,2,8,3,6,0,5,1,7,4,0,1,2,5,3,8,4,6,7,6,3,5,2,4,7,0,1,8,8,7,4,1,6,0,2,3,5]}
+PUZZLE:
+_ 6 _  _ _ 4  _ _ _
+8 _ _  _ 2 5  _ _ _
+_ _ 9  _ _ _  8 _ 2
+
+6 5 _  _ 9 _  _ _ _
+_ 1 7  5 8 3  _ _ _
+_ _ _  _ 1 _  _ _ _
+
+_ _ _  _ _ _  _ _ 8
+7 _ _  3 _ _  _ 2 9
+_ _ _  _ 7 1  3 4 _
+
+SOLUTION:
+5 6 2  8 3 4  9 1 7
+8 7 1  9 2 5  4 6 3
+4 3 9  1 6 7  8 5 2
+
+6 5 8  4 9 2  7 3 1
+2 1 7  5 8 3  6 9 4
+3 9 4  7 1 6  2 8 5
+
+1 2 3  6 4 9  5 7 8
+7 4 6  3 5 8  1 2 9
+9 8 5  2 7 1  3 4 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,5,7,null,null,null,null,null,null,null,1,null,null,5,2,null,null,2,null,null,0,1,null,8,7,null,null,null,null,null,6,2,7,null,null,null,null,8,null,null,3,null,1,null,null,null,2,4,null,null,3,null,null,null,3,null,null,null,null,1,8,4,1,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null],"solution":[4,0,5,7,2,8,6,3,1,7,8,1,6,3,5,2,4,0,2,6,3,0,1,4,8,7,5,3,4,0,1,6,2,7,5,8,6,7,8,5,0,3,4,1,2,5,1,2,4,8,7,3,0,6,0,3,7,2,5,6,1,8,4,1,2,4,8,7,0,5,6,3,8,5,6,3,4,1,0,2,7]}
+PUZZLE:
+_ _ 6  8 _ _  _ _ _
+_ _ 2  _ _ 6  3 _ _
+3 _ _  1 2 _  9 8 _
+
+_ _ _  _ 7 3  8 _ _
+_ _ 9  _ _ 4  _ 2 _
+_ _ 3  5 _ _  4 _ _
+
+_ 4 _  _ _ _  2 9 5
+2 _ _  _ _ _  _ _ _
+_ 6 _  _ _ _  _ _ _
+
+SOLUTION:
+5 1 6  8 3 9  7 4 2
+8 9 2  7 4 6  3 5 1
+3 7 4  1 2 5  9 8 6
+
+4 5 1  2 7 3  8 6 9
+7 8 9  6 1 4  5 2 3
+6 2 3  5 9 8  4 1 7
+
+1 4 8  3 6 7  2 9 5
+2 3 5  9 8 1  6 7 4
+9 6 7  4 5 2  1 3 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,8,null,null,null,null,null,null,8,null,3,null,2,null,null,1,4,2,null,null,1,null,null,null,null,null,null,null,1,8,null,7,null,null,7,null,null,5,null,null,1,null,null,2,null,0,null,null,7,null,null,8,8,null,null,null,null,1,null,null,null,null,null,null,0,null,null,null,null,null,null,null,3,4,null,null,null,5,null],"solution":[3,6,1,8,0,4,2,7,5,0,8,7,3,5,2,4,6,1,4,2,5,7,1,6,0,8,3,5,4,6,1,8,3,7,2,0,7,3,8,5,2,0,1,4,6,2,1,0,6,4,7,5,3,8,8,5,4,2,6,1,3,0,7,6,7,2,0,3,5,8,1,4,1,0,3,4,7,8,6,5,2]}
+PUZZLE:
+_ 7 _  9 _ _  _ _ _
+_ 9 _  4 _ 3  _ _ 2
+5 3 _  _ 2 _  _ _ _
+
+_ _ _  2 9 _  8 _ _
+8 _ _  6 _ _  2 _ _
+3 _ 1  _ _ 8  _ _ 9
+
+9 _ _  _ _ 2  _ _ _
+_ _ _  1 _ _  _ _ _
+_ _ 4  5 _ _  _ 6 _
+
+SOLUTION:
+4 7 2  9 1 5  3 8 6
+1 9 8  4 6 3  5 7 2
+5 3 6  8 2 7  1 9 4
+
+6 5 7  2 9 4  8 3 1
+8 4 9  6 3 1  2 5 7
+3 2 1  7 5 8  6 4 9
+
+9 6 5  3 7 2  4 1 8
+7 8 3  1 4 6  9 2 5
+2 1 4  5 8 9  7 6 3
+
+RATING: 0
+DATA:
+{"puzzle":[2,null,null,null,null,3,null,null,4,null,null,3,0,null,null,null,6,null,null,null,1,null,4,null,null,null,null,null,null,null,4,5,null,1,2,null,null,5,null,6,null,null,null,null,null,null,null,null,null,null,2,5,null,8,1,null,null,3,null,null,null,7,null,null,null,null,null,null,8,null,null,null,null,6,8,null,null,null,null,null,3],"solution":[2,0,6,8,1,3,7,5,4,8,4,3,0,7,5,2,6,1,5,7,1,2,4,6,3,8,0,3,8,7,4,5,0,1,2,6,0,5,2,6,8,1,4,3,7,6,1,4,7,3,2,5,0,8,1,2,0,3,6,4,8,7,5,7,3,5,1,0,8,6,4,2,4,6,8,5,2,7,0,1,3]}
+PUZZLE:
+3 _ _  _ _ 4  _ _ 5
+_ _ 4  1 _ _  _ 7 _
+_ _ 2  _ 5 _  _ _ _
+
+_ _ _  5 6 _  2 3 _
+_ 6 _  7 _ _  _ _ _
+_ _ _  _ _ 3  6 _ 9
+
+2 _ _  4 _ _  _ 8 _
+_ _ _  _ _ 9  _ _ _
+_ 7 9  _ _ _  _ _ 4
+
+SOLUTION:
+3 1 7  9 2 4  8 6 5
+9 5 4  1 8 6  3 7 2
+6 8 2  3 5 7  4 9 1
+
+4 9 8  5 6 1  2 3 7
+1 6 3  7 9 2  5 4 8
+7 2 5  8 4 3  6 1 9
+
+2 3 1  4 7 5  9 8 6
+8 4 6  2 1 9  7 5 3
+5 7 9  6 3 8  1 2 4
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,8,null,null,6,null,null,null,6,2,null,null,0,8,1,null,null,null,7,null,4,null,null,null,null,null,null,null,1,null,8,null,null,4,0,null,null,null,null,6,2,null,7,null,null,8,null,null,null,null,null,null,null,0,null,2,null,null,null,null,null,8,null,null,null,null,null,null,null,3,null,null,1,null,3,null,5,null,null,null],"solution":[1,5,8,2,3,6,4,0,7,6,2,4,7,0,8,1,5,3,3,7,0,4,5,1,2,8,6,2,6,1,5,8,7,3,4,0,4,0,3,1,6,2,8,7,5,7,8,5,0,4,3,6,2,1,0,3,2,6,7,4,5,1,8,5,4,6,8,1,0,7,3,2,8,1,7,3,2,5,0,6,4]}
+PUZZLE:
+_ _ 9  _ _ 7  _ _ _
+7 3 _  _ 1 9  2 _ _
+_ 8 _  5 _ _  _ _ _
+
+_ _ 2  _ 9 _  _ 5 1
+_ _ _  _ 7 3  _ 8 _
+_ 9 _  _ _ _  _ _ _
+
+1 _ 3  _ _ _  _ _ 9
+_ _ _  _ _ _  _ 4 _
+_ 2 _  4 _ 6  _ _ _
+
+SOLUTION:
+2 6 9  3 4 7  5 1 8
+7 3 5  8 1 9  2 6 4
+4 8 1  5 6 2  3 9 7
+
+3 7 2  6 9 8  4 5 1
+5 1 4  2 7 3  9 8 6
+8 9 6  1 5 4  7 3 2
+
+1 4 3  7 8 5  6 2 9
+6 5 7  9 2 1  8 4 3
+9 2 8  4 3 6  1 7 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,2,3,4,null,null,5,6,5,null,null,2,null,8,null,3,null,null,null,null,null,null,7,4,null,null,null,null,null,7,3,2,null,4,0,null,null,0,null,null,1,null,2,null,null,null,3,null,null,null,null,null,7,null,8,5,0,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null],"solution":[7,1,2,3,4,0,8,5,6,5,0,4,2,6,8,7,3,1,6,3,8,5,1,7,4,0,2,8,6,1,7,3,2,5,4,0,4,7,0,6,5,1,3,2,8,2,5,3,8,0,4,1,6,7,1,8,5,0,2,3,6,7,4,3,2,7,4,8,6,0,1,5,0,4,6,1,7,5,2,8,3]}
+PUZZLE:
+_ _ 3  4 5 _  _ 6 7
+6 _ _  3 _ 9  _ 4 _
+_ _ _  _ _ 8  5 _ _
+
+_ _ _  8 4 3  _ 5 1
+_ _ 1  _ _ 2  _ 3 _
+_ _ 4  _ _ _  _ _ 8
+
+_ 9 6  1 _ _  7 _ _
+_ _ _  _ _ _  _ _ _
+_ _ 7  _ _ _  _ _ _
+
+SOLUTION:
+8 2 3  4 5 1  9 6 7
+6 1 5  3 7 9  8 4 2
+7 4 9  6 2 8  5 1 3
+
+9 7 2  8 4 3  6 5 1
+5 8 1  7 6 2  4 3 9
+3 6 4  9 1 5  2 7 8
+
+2 9 6  1 3 4  7 8 5
+4 3 8  5 9 7  1 2 6
+1 5 7  2 8 6  3 9 4
+
+RATING: 1
+DATA:
+{"puzzle":[6,null,null,null,null,null,7,null,null,null,null,8,null,6,null,null,0,null,null,null,null,null,5,null,null,4,3,null,3,2,null,null,null,0,null,null,8,1,null,0,null,null,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,null,null,2,null,3,null,4,null,3,null,null,6,5,null,1,1,5,null,null,null,8,null,null,null],"solution":[6,0,5,1,4,3,7,2,8,3,4,8,2,6,7,1,0,5,2,7,1,8,5,0,6,4,3,5,3,2,6,8,1,0,7,4,8,1,7,0,2,4,3,5,6,0,6,4,3,7,5,8,1,2,7,8,6,5,1,2,4,3,0,4,2,3,7,0,6,5,8,1,1,5,0,4,3,8,2,6,7]}
+PUZZLE:
+7 _ _  _ _ _  8 _ _
+_ _ 9  _ 7 _  _ 1 _
+_ _ _  _ 6 _  _ 5 4
+
+_ 4 3  _ _ _  1 _ _
+9 2 _  1 _ _  _ _ _
+_ _ _  _ _ 6  _ _ _
+
+_ _ _  _ _ 3  _ 4 _
+5 _ 4  _ _ 7  6 _ 2
+2 6 _  _ _ 9  _ _ _
+
+SOLUTION:
+7 1 6  2 5 4  8 3 9
+4 5 9  3 7 8  2 1 6
+3 8 2  9 6 1  7 5 4
+
+6 4 3  7 9 2  1 8 5
+9 2 8  1 3 5  4 6 7
+1 7 5  4 8 6  9 2 3
+
+8 9 7  6 2 3  5 4 1
+5 3 4  8 1 7  6 9 2
+2 6 1  5 4 9  3 7 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,3,null,null,8,null,null,2,null,null,null,0,6,null,null,3,null,5,null,8,null,null,null,2,null,null,null,null,2,4,3,0,null,null,null,null,8,null,null,null,2,null,null,6,null,null,null,null,null,7,null,null,null,3,null,0,2,null,null,null,null,null,null,1,null,null,null,null,null,null,null,4,null,1,null,null,null,null,5],"solution":[1,6,0,3,5,2,8,4,7,2,8,7,4,0,6,5,1,3,4,5,3,8,1,7,6,2,0,7,1,5,2,4,3,0,8,6,3,0,8,7,6,1,2,5,4,6,2,4,5,8,0,7,3,1,5,3,6,0,2,4,1,7,8,8,7,1,6,3,5,4,0,2,0,4,2,1,7,8,3,6,5]}
+PUZZLE:
+_ _ _  4 _ _  9 _ _
+3 _ _  _ 1 7  _ _ 4
+_ 6 _  9 _ _  _ 3 _
+
+_ _ _  3 5 4  1 _ _
+_ _ 9  _ _ _  3 _ _
+7 _ _  _ _ _  8 _ _
+
+_ 4 _  1 3 _  _ _ _
+_ _ 2  _ _ _  _ _ _
+_ 5 _  2 _ _  _ _ 6
+
+SOLUTION:
+2 7 1  4 6 3  9 5 8
+3 9 8  5 1 7  6 2 4
+5 6 4  9 2 8  7 3 1
+
+8 2 6  3 5 4  1 9 7
+4 1 9  8 7 2  3 6 5
+7 3 5  6 9 1  8 4 2
+
+6 4 7  1 3 5  2 8 9
+9 8 2  7 4 6  5 1 3
+1 5 3  2 8 9  4 7 6
+
+RATING: 1.75
+DATA:
+{"puzzle":[5,null,null,1,null,null,null,null,null,null,null,null,null,7,null,4,null,null,null,1,null,3,null,null,null,0,null,null,null,4,null,null,null,null,2,1,7,null,null,8,null,null,null,5,null,null,null,6,null,null,null,null,null,null,1,null,null,5,null,null,null,7,3,null,null,7,null,null,null,6,null,null,3,null,null,null,null,8,null,null,null],"solution":[5,7,0,1,4,2,3,6,8,6,8,3,0,7,5,4,1,2,4,1,2,3,8,6,5,0,7,0,3,4,6,5,7,8,2,1,7,2,1,8,3,4,0,5,6,8,5,6,2,0,1,7,3,4,1,4,8,5,6,0,2,7,3,2,0,7,4,1,3,6,8,5,3,6,5,7,2,8,1,4,0]}
+PUZZLE:
+6 _ _  2 _ _  _ _ _
+_ _ _  _ 8 _  5 _ _
+_ 2 _  4 _ _  _ 1 _
+
+_ _ 5  _ _ _  _ 3 2
+8 _ _  9 _ _  _ 6 _
+_ _ 7  _ _ _  _ _ _
+
+2 _ _  6 _ _  _ 8 4
+_ _ 8  _ _ _  7 _ _
+4 _ _  _ _ 9  _ _ _
+
+SOLUTION:
+6 8 1  2 5 3  4 7 9
+7 9 4  1 8 6  5 2 3
+5 2 3  4 9 7  6 1 8
+
+1 4 5  7 6 8  9 3 2
+8 3 2  9 4 5  1 6 7
+9 6 7  3 1 2  8 4 5
+
+2 5 9  6 7 1  3 8 4
+3 1 8  5 2 4  7 9 6
+4 7 6  8 3 9  2 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,8,null,null,3,1,null,null,null,null,null,null,6,null,null,null,null,null,null,null,3,null,null,2,0,null,7,null,6,7,null,null,null,null,null,3,null,0,1,null,null,null,null,null,2,4,null,null,null,null,null,null,7,null,null,7,null,2,8,null,null,null,5,5,null,null,1,null,null,null,4,null,null,null,null,null,null,null,3,null,0],"solution":[7,8,2,0,3,1,5,6,4,0,5,4,6,7,8,2,3,1,6,1,3,5,4,2,0,8,7,2,6,7,4,1,5,8,0,3,8,0,1,3,6,7,4,5,2,4,3,5,8,2,0,1,7,6,3,7,0,2,8,4,6,1,5,5,2,6,1,0,3,7,4,8,1,4,8,7,5,6,3,2,0]}
+PUZZLE:
+_ 9 _  _ 4 2  _ _ _
+_ _ _  7 _ _  _ _ _
+_ _ 4  _ _ 3  1 _ 8
+
+_ 7 8  _ _ _  _ _ 4
+_ 1 2  _ _ _  _ _ 3
+5 _ _  _ _ _  _ 8 _
+
+_ 8 _  3 9 _  _ _ 6
+6 _ _  2 _ _  _ 5 _
+_ _ _  _ _ _  4 _ 1
+
+SOLUTION:
+8 9 3  1 4 2  6 7 5
+1 6 5  7 8 9  3 4 2
+7 2 4  6 5 3  1 9 8
+
+3 7 8  5 2 6  9 1 4
+9 1 2  4 7 8  5 6 3
+5 4 6  9 3 1  2 8 7
+
+4 8 1  3 9 5  7 2 6
+6 3 7  2 1 4  8 5 9
+2 5 9  8 6 7  4 3 1
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,1,null,null,null,null,null,null,null,null,8,2,6,null,null,null,7,null,null,null,null,null,null,null,8,null,5,null,null,null,null,null,null,null,8,null,null,7,null,3,5,null,null,null,null,null,null,5,2,4,null,null,null,6,null,null,null,null,6,null,null,null,null,null,6,null,null,7,4,null,3,1,null,null,7,null,null,1,0,null,null],"solution":[5,1,0,7,8,2,6,4,3,4,8,2,6,3,5,1,7,0,7,3,6,4,1,0,8,2,5,2,4,3,1,0,6,5,8,7,6,7,1,3,5,8,4,0,2,8,0,5,2,4,7,3,1,6,1,2,4,0,6,3,7,5,8,0,6,8,5,7,4,2,3,1,3,5,7,8,2,1,0,6,4]}
+PUZZLE:
+_ 2 _  _ _ _  _ _ _
+_ 9 3  7 _ _  _ 8 _
+_ _ _  _ _ _  9 _ 6
+
+_ _ _  _ _ _  _ 9 _
+_ 8 _  4 6 _  _ _ _
+_ _ 6  3 5 _  _ _ 7
+
+_ _ _  _ 7 _  _ _ _
+_ 7 _  _ 8 5  _ 4 2
+_ _ 8  _ _ 2  1 _ _
+
+SOLUTION:
+6 2 1  8 9 3  7 5 4
+5 9 3  7 4 6  2 8 1
+8 4 7  5 2 1  9 3 6
+
+3 5 4  2 1 7  6 9 8
+7 8 2  4 6 9  5 1 3
+9 1 6  3 5 8  4 2 7
+
+2 3 5  1 7 4  8 6 9
+1 7 9  6 8 5  3 4 2
+4 6 8  9 3 2  1 7 5
+
+RATING: 0
+DATA:
+{"puzzle":[0,7,null,null,null,null,null,null,null,null,8,null,null,null,null,0,null,null,2,null,null,null,6,7,null,4,null,null,4,null,7,null,null,null,null,6,6,null,null,5,3,2,null,null,null,null,null,2,null,null,0,null,3,null,null,null,5,null,null,null,null,null,null,7,null,8,4,null,null,2,null,null,null,null,null,null,null,null,null,null,1],"solution":[0,7,4,3,5,8,6,1,2,5,8,6,1,2,4,0,7,3,2,3,1,0,6,7,8,4,5,3,4,0,7,8,1,5,2,6,6,1,7,5,3,2,4,0,8,8,5,2,6,4,0,1,3,7,1,0,5,2,7,6,3,8,4,7,6,8,4,1,3,2,5,0,4,2,3,8,0,5,7,6,1]}
+PUZZLE:
+1 8 _  _ _ _  _ _ _
+_ 9 _  _ _ _  1 _ _
+3 _ _  _ 7 8  _ 5 _
+
+_ 5 _  8 _ _  _ _ 7
+7 _ _  6 4 3  _ _ _
+_ _ 3  _ _ 1  _ 4 _
+
+_ _ 6  _ _ _  _ _ _
+8 _ 9  5 _ _  3 _ _
+_ _ _  _ _ _  _ _ 2
+
+SOLUTION:
+1 8 5  4 6 9  7 2 3
+6 9 7  2 3 5  1 8 4
+3 4 2  1 7 8  9 5 6
+
+4 5 1  8 9 2  6 3 7
+7 2 8  6 4 3  5 1 9
+9 6 3  7 5 1  2 4 8
+
+2 1 6  3 8 7  4 9 5
+8 7 9  5 2 4  3 6 1
+5 3 4  9 1 6  8 7 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,null,6,5,3,null,null,8,null,null,4,null,2,null,null,6,null,null,5,null,3,1,null,0,null,3,null,null,null,5,null,2,null,null,null,null,7,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,4,null,8,null,7,1,null,5,null,2,null,null,null,null],"solution":[5,4,2,6,3,0,1,7,8,0,1,8,2,7,4,3,6,5,3,6,7,8,5,1,4,0,2,4,7,6,0,8,5,2,3,1,8,0,1,3,6,2,7,5,4,2,5,3,4,1,7,0,8,6,7,8,4,1,0,6,5,2,3,6,2,0,5,4,3,8,1,7,1,3,5,7,2,8,6,4,0]}
+PUZZLE:
+_ 5 _  _ _ _  _ _ _
+_ _ _  _ _ _  _ 7 6
+4 _ _  9 _ _  5 _ 3
+
+_ _ 7  _ _ 6  _ 4 2
+_ 1 _  4 _ _  _ 6 _
+3 _ _  _ _ 8  _ _ 7
+
+_ _ _  _ _ _  _ _ _
+_ _ _  _ 5 _  9 _ 8
+2 _ 6  _ 3 _  _ _ _
+
+SOLUTION:
+6 5 3  7 4 1  2 8 9
+1 2 9  3 8 5  4 7 6
+4 7 8  9 6 2  5 1 3
+
+5 8 7  1 9 6  3 4 2
+9 1 2  4 7 3  8 6 5
+3 6 4  5 2 8  1 9 7
+
+8 9 5  2 1 7  6 3 4
+7 3 1  6 5 4  9 2 8
+2 4 6  8 3 9  7 5 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,4,8,null,null,null,6,6,null,null,2,null,null,3,null,1,2,8,0,null,6,null,null,null,null,null,null,7,null,null,null,5,null,null,null,4,2,null,null,6,null,null,null,1,3,null,7,null,null,null,null,null,7,null,null,null,null,3,1,null,null,null,null,null,8,null,null,7,null,4,null,0,null,null,null,null,null,null,null],"solution":[5,1,3,4,8,7,0,2,6,6,7,4,2,5,0,3,8,1,2,8,0,3,6,1,4,5,7,8,6,7,0,3,4,5,1,2,0,4,2,5,1,6,8,7,3,1,3,5,7,2,8,6,4,0,7,2,8,6,4,3,1,0,5,3,5,1,8,0,2,7,6,4,4,0,6,1,7,5,2,3,8]}
+PUZZLE:
+_ 2 _  5 9 _  _ _ 7
+7 _ _  3 _ _  4 _ 2
+3 9 1  _ 7 _  _ _ _
+
+_ _ 8  _ _ _  6 _ _
+_ 5 3  _ _ 7  _ _ _
+2 4 _  8 _ _  _ _ _
+
+8 _ _  _ _ 4  2 _ _
+_ _ _  9 _ _  8 _ 5
+_ 1 _  _ _ _  _ _ _
+
+SOLUTION:
+6 2 4  5 9 8  1 3 7
+7 8 5  3 6 1  4 9 2
+3 9 1  4 7 2  5 6 8
+
+9 7 8  1 4 5  6 2 3
+1 5 3  6 2 7  9 8 4
+2 4 6  8 3 9  7 5 1
+
+8 3 9  7 5 4  2 1 6
+4 6 2  9 1 3  8 7 5
+5 1 7  2 8 6  3 4 9
+
+RATING: 2.25
+DATA:
+{"puzzle":[2,null,null,null,null,6,7,null,null,null,null,null,null,3,null,null,null,null,7,null,4,null,null,8,0,null,null,null,3,null,null,null,7,null,4,null,4,null,null,2,null,null,3,null,null,null,null,null,null,null,null,2,null,6,null,5,6,8,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,0,null,6,null,null,null,2],"solution":[2,0,3,1,4,6,7,8,5,6,8,5,7,3,0,4,2,1,7,1,4,5,2,8,0,6,3,5,3,2,6,1,7,8,4,0,4,6,8,2,0,5,3,1,7,0,7,1,4,8,3,2,5,6,3,5,6,8,7,2,1,0,4,1,2,7,0,5,4,6,3,8,8,4,0,3,6,1,5,7,2]}
+PUZZLE:
+3 _ _  _ _ 7  8 _ _
+_ _ _  _ 4 _  _ _ _
+8 _ 5  _ _ 9  1 _ _
+
+_ 4 _  _ _ 8  _ 5 _
+5 _ _  3 _ _  4 _ _
+_ _ _  _ _ _  3 _ 7
+
+_ 6 7  9 _ _  _ _ 5
+_ _ _  _ _ _  _ _ _
+_ _ 1  _ 7 _  _ _ 3
+
+SOLUTION:
+3 1 4  2 5 7  8 9 6
+7 9 6  8 4 1  5 3 2
+8 2 5  6 3 9  1 7 4
+
+6 4 3  7 2 8  9 5 1
+5 7 9  3 1 6  4 2 8
+1 8 2  5 9 4  3 6 7
+
+4 6 7  9 8 3  2 1 5
+2 3 8  1 6 5  7 4 9
+9 5 1  4 7 2  6 8 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,1,null,null,null,3,6,null,2,null,7,null,5,null,null,null,4,null,2,null,null,null,null,null,null,null,6,null,null,null,7,8,null,null,null,3,null,null,7,null,null,0,null,2,null,null,null,null,4,null,null,null,5,7,null,null,8,null,null,null,null,null,null,null,4,null,2,null,null,null,null,null,6,null,null,null,null,null],"solution":[8,7,0,5,1,4,6,2,3,6,3,2,8,7,0,5,1,4,1,4,5,2,6,3,0,7,8,4,0,6,3,5,1,7,8,2,5,8,3,4,2,7,1,6,0,7,2,1,0,8,6,4,3,5,2,5,7,1,0,8,3,4,6,3,6,8,7,4,5,2,0,1,0,1,4,6,3,2,8,5,7]}
+PUZZLE:
+_ _ _  _ 2 _  _ _ 4
+7 _ 3  _ 8 _  6 _ _
+_ 5 _  3 _ _  _ _ _
+
+_ _ 7  _ _ _  8 9 _
+_ _ 4  _ _ 8  _ _ 1
+_ 3 _  _ _ _  5 _ _
+
+_ 6 8  _ _ 9  _ _ _
+_ _ _  _ 5 _  3 _ _
+_ _ _  7 _ _  _ _ _
+
+SOLUTION:
+9 8 1  6 2 5  7 3 4
+7 4 3  9 8 1  6 2 5
+2 5 6  3 7 4  1 8 9
+
+5 1 7  4 6 2  8 9 3
+6 9 4  5 3 8  2 7 1
+8 3 2  1 9 7  5 4 6
+
+3 6 8  2 1 9  4 5 7
+4 7 9  8 5 6  3 1 2
+1 2 5  7 4 3  9 6 8
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,null,null,null,6,null,7,null,5,0,null,null,null,null,1,null,null,null,4,null,null,1,null,null,null,null,null,null,null,7,2,null,null,null,3,null,null,3,null,null,5,null,null,null,null,null,8,null,null,null,null,5,0,null,2,null,null,7,4,6,3,null,null,5,null,null,6,null,null,8,4,null,null,null,null,8,null,null,null,null],"solution":[3,8,1,0,5,6,4,7,2,5,0,2,4,3,7,1,6,8,7,4,6,2,1,8,3,0,5,0,6,5,7,2,1,8,4,3,4,7,3,8,0,5,2,1,6,2,1,8,6,4,3,7,5,0,8,2,0,5,7,4,6,3,1,1,5,7,3,6,2,0,8,4,6,3,4,1,8,0,5,2,7]}
+PUZZLE:
+_ _ _  _ _ 7  _ 8 _
+6 1 _  _ _ _  2 _ _
+_ 5 _  _ 2 _  _ _ _
+
+_ _ _  8 3 _  _ _ 4
+_ _ 4  _ _ 6  _ _ _
+_ _ 9  _ _ _  _ 6 1
+
+_ 3 _  _ 8 5  7 4 _
+_ 6 _  _ 7 _  _ 9 5
+_ _ _  _ 9 _  _ _ _
+
+SOLUTION:
+4 9 2  1 6 7  5 8 3
+6 1 3  5 4 8  2 7 9
+8 5 7  3 2 9  4 1 6
+
+1 7 6  8 3 2  9 5 4
+5 8 4  9 1 6  3 2 7
+3 2 9  7 5 4  8 6 1
+
+9 3 1  6 8 5  7 4 2
+2 6 8  4 7 3  1 9 5
+7 4 5  2 9 1  6 3 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[2,7,null,null,8,null,3,null,null,null,1,null,2,null,null,null,4,8,null,null,null,null,3,1,null,null,null,3,0,null,null,null,2,null,null,null,null,null,8,null,1,null,null,3,null,null,null,4,null,null,null,5,null,null,null,null,null,null,null,null,8,null,4,4,null,null,7,null,null,null,1,null,null,null,null,1,null,0,null,null,null],"solution":[2,7,6,5,8,4,3,0,1,5,1,3,2,0,7,6,4,8,8,4,0,6,3,1,7,2,5,3,0,5,4,6,2,1,8,7,7,6,8,0,1,5,4,3,2,1,2,4,8,7,3,5,6,0,0,5,1,3,2,6,8,7,4,4,3,2,7,5,8,0,1,6,6,8,7,1,4,0,2,5,3]}
+PUZZLE:
+3 8 _  _ 9 _  4 _ _
+_ 2 _  3 _ _  _ 5 9
+_ _ _  _ 4 2  _ _ _
+
+4 1 _  _ _ 3  _ _ _
+_ _ 9  _ 2 _  _ 4 _
+_ _ 5  _ _ _  6 _ _
+
+_ _ _  _ _ _  9 _ 5
+5 _ _  8 _ _  _ 2 _
+_ _ _  2 _ 1  _ _ _
+
+SOLUTION:
+3 8 7  6 9 5  4 1 2
+6 2 4  3 1 8  7 5 9
+9 5 1  7 4 2  8 3 6
+
+4 1 6  5 7 3  2 9 8
+8 7 9  1 2 6  5 4 3
+2 3 5  9 8 4  6 7 1
+
+1 6 2  4 3 7  9 8 5
+5 4 3  8 6 9  1 2 7
+7 9 8  2 5 1  3 6 4
+
+RATING: 2
+DATA:
+{"puzzle":[5,1,null,2,null,null,null,null,null,null,null,null,3,null,0,4,null,null,6,null,null,null,1,5,null,0,null,null,5,6,null,null,null,null,null,null,4,null,null,null,5,null,8,null,null,null,null,1,null,0,6,null,null,null,null,null,null,null,null,null,null,null,6,null,2,null,null,3,null,0,8,null,null,null,4,null,null,1,3,5,null],"solution":[5,1,0,2,7,4,6,3,8,2,8,7,3,6,0,4,1,5,6,4,3,8,1,5,2,0,7,3,5,6,1,2,8,7,4,0,4,0,2,7,5,3,8,6,1,8,7,1,4,0,6,5,2,3,0,3,8,5,4,2,1,7,6,1,2,5,6,3,7,0,8,4,7,6,4,0,8,1,3,5,2]}
+PUZZLE:
+6 2 _  3 _ _  _ _ _
+_ _ _  4 _ 1  5 _ _
+7 _ _  _ 2 6  _ 1 _
+
+_ 6 7  _ _ _  _ _ _
+5 _ _  _ 6 _  9 _ _
+_ _ 2  _ 1 7  _ _ _
+
+_ _ _  _ _ _  _ _ 7
+_ 3 _  _ 4 _  1 9 _
+_ _ 5  _ _ 2  4 6 _
+
+SOLUTION:
+6 2 1  3 8 5  7 4 9
+3 9 8  4 7 1  5 2 6
+7 5 4  9 2 6  3 1 8
+
+4 6 7  2 3 9  8 5 1
+5 1 3  8 6 4  9 7 2
+9 8 2  5 1 7  6 3 4
+
+1 4 9  6 5 3  2 8 7
+2 3 6  7 4 8  1 9 5
+8 7 5  1 9 2  4 6 3
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,null,5,null,null,null,null,null,null,null,null,6,null,2,4,7,null,null,null,null,7,3,null,6,null,null,null,null,4,null,null,null,null,8,null,2,null,null,null,null,null,null,null,3,null,null,0,null,6,1,null,null,null,4,null,null,null,null,null,0,null,1,6,7,null,0,null,null,null,null,null,null,5,3,null,4,null,7,null,null],"solution":[1,6,7,5,8,4,3,2,0,3,0,5,6,1,2,4,7,8,8,4,2,7,3,0,6,1,5,7,1,4,2,0,3,5,8,6,2,8,6,4,5,7,1,0,3,5,3,0,8,6,1,2,4,7,4,2,8,3,7,6,0,5,1,6,7,1,0,2,5,8,3,4,0,5,3,1,4,8,7,6,2]}
+PUZZLE:
+_ _ _  6 _ _  _ _ _
+_ _ _  7 _ 3  5 8 _
+_ _ _  8 4 _  7 _ _
+
+_ _ 5  _ _ _  _ 9 _
+3 _ _  _ _ _  _ _ 4
+_ _ 1  _ 7 2  _ _ _
+
+5 _ _  _ _ _  1 _ 2
+7 8 _  1 _ _  _ _ _
+_ 6 4  _ 5 _  8 _ _
+
+SOLUTION:
+2 7 8  6 9 5  4 3 1
+4 1 6  7 2 3  5 8 9
+9 5 3  8 4 1  7 2 6
+
+8 2 5  3 1 4  6 9 7
+3 9 7  5 6 8  2 1 4
+6 4 1  9 7 2  3 5 8
+
+5 3 9  4 8 7  1 6 2
+7 8 2  1 3 6  9 4 5
+1 6 4  2 5 9  8 7 3
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,3,null,null,null,1,8,null,2,null,null,null,null,4,null,null,null,null,6,null,2,null,1,null,null,null,8,4,null,null,3,null,6,5,null,null,null,5,null,null,null,null,null,null,null,null,null,null,null,null,null,0,null,null,null,2,8,null,3,null,null,7,null,null,7,null,null,null,5,null,8,null,null,null,1,null,null,null,6,null],"solution":[4,7,3,6,0,5,1,8,2,2,5,1,3,8,4,0,7,6,0,6,8,2,7,1,3,4,5,8,4,0,7,3,2,6,5,1,7,3,5,0,1,6,8,2,4,1,2,6,5,4,8,7,0,3,5,0,2,8,6,3,4,1,7,6,1,7,4,2,0,5,3,8,3,8,4,1,5,7,2,6,0]}
+PUZZLE:
+_ _ 4  _ _ _  2 9 _
+3 _ _  _ _ 5  _ _ _
+_ 7 _  3 _ 2  _ _ _
+
+9 5 _  _ 4 _  7 6 _
+_ _ 6  _ _ _  _ _ _
+_ _ _  _ _ _  _ 1 _
+
+_ _ 3  9 _ 4  _ _ 8
+_ _ 8  _ _ _  6 _ 9
+_ _ _  2 _ _  _ 7 _
+
+SOLUTION:
+5 8 4  7 1 6  2 9 3
+3 6 2  4 9 5  1 8 7
+1 7 9  3 8 2  4 5 6
+
+9 5 1  8 4 3  7 6 2
+8 4 6  1 2 7  9 3 5
+2 3 7  6 5 9  8 1 4
+
+6 1 3  9 7 4  5 2 8
+7 2 8  5 3 1  6 4 9
+4 9 5  2 6 8  3 7 1
+
+RATING: 0
+DATA:
+{"puzzle":[5,6,null,null,null,null,4,0,null,null,null,null,null,null,3,1,null,null,null,null,null,null,null,null,null,6,8,8,null,null,null,2,null,null,null,null,null,0,6,null,4,7,null,null,null,null,7,2,null,6,null,null,8,null,null,null,8,7,null,1,null,null,null,null,null,7,null,null,null,null,null,3,null,null,null,null,null,null,null,2,null],"solution":[5,6,3,2,1,8,4,0,7,7,8,4,6,0,3,1,5,2,2,1,0,5,7,4,3,6,8,8,3,5,1,2,0,6,7,4,1,0,6,8,4,7,2,3,5,4,7,2,3,6,5,0,8,1,0,2,8,7,3,1,5,4,6,6,4,7,0,5,2,8,1,3,3,5,1,4,8,6,7,2,0]}
+PUZZLE:
+6 7 _  _ _ _  5 1 _
+_ _ _  _ _ 4  2 _ _
+_ _ _  _ _ _  _ 7 9
+
+9 _ _  _ 3 _  _ _ _
+_ 1 7  _ 5 8  _ _ _
+_ 8 3  _ 7 _  _ 9 _
+
+_ _ 9  8 _ 2  _ _ _
+_ _ 8  _ _ _  _ _ 4
+_ _ _  _ _ _  _ 3 _
+
+SOLUTION:
+6 7 4  3 2 9  5 1 8
+8 9 5  7 1 4  2 6 3
+3 2 1  6 8 5  4 7 9
+
+9 4 6  2 3 1  7 8 5
+2 1 7  9 5 8  3 4 6
+5 8 3  4 7 6  1 9 2
+
+1 3 9  8 4 2  6 5 7
+7 5 8  1 6 3  9 2 4
+4 6 2  5 9 7  8 3 1
+
+RATING: 4
+DATA:
+{"puzzle":[null,null,null,null,4,null,3,7,null,3,null,null,1,null,null,null,null,null,null,1,null,null,null,null,null,2,null,null,null,null,null,8,null,4,null,5,null,null,1,0,null,null,null,6,null,null,null,null,null,5,7,null,null,3,8,2,null,4,0,null,null,null,null,null,null,null,null,7,null,null,3,null,null,null,null,null,null,null,null,null,7],"solution":[2,8,6,5,4,0,3,7,1,3,7,0,1,6,2,5,8,4,4,1,5,7,3,8,6,2,0,7,6,2,3,8,1,4,0,5,5,3,1,0,2,4,7,6,8,0,4,8,6,5,7,2,1,3,8,2,7,4,0,3,1,5,6,1,5,4,8,7,6,0,3,2,6,0,3,2,1,5,8,4,7]}
+PUZZLE:
+_ _ _  _ 5 _  4 8 _
+4 _ _  2 _ _  _ _ _
+_ 2 _  _ _ _  _ 3 _
+
+_ _ _  _ 9 _  5 _ 6
+_ _ 2  1 _ _  _ 7 _
+_ _ _  _ 6 8  _ _ 4
+
+9 3 _  5 1 _  _ _ _
+_ _ _  _ 8 _  _ 4 _
+_ _ _  _ _ _  _ _ 8
+
+SOLUTION:
+3 9 7  6 5 1  4 8 2
+4 8 1  2 7 3  6 9 5
+5 2 6  8 4 9  7 3 1
+
+8 7 3  4 9 2  5 1 6
+6 4 2  1 3 5  8 7 9
+1 5 9  7 6 8  3 2 4
+
+9 3 8  5 1 4  2 6 7
+2 6 5  9 8 7  1 4 3
+7 1 4  3 2 6  9 5 8
+
+RATING: 1.25
+DATA:
+{"puzzle":[7,null,null,null,null,null,null,null,null,null,null,1,null,null,null,3,8,null,null,null,0,6,null,2,null,null,null,8,null,null,null,4,null,null,null,null,null,4,null,2,0,null,null,3,null,null,null,null,null,null,null,8,null,null,5,null,null,null,null,null,null,6,1,2,3,null,0,null,null,null,5,null,null,6,null,7,null,null,null,null,null],"solution":[7,5,6,8,3,4,2,1,0,4,2,1,5,7,0,3,8,6,3,8,0,6,1,2,5,7,4,8,1,2,3,4,7,6,0,5,6,4,5,2,0,8,1,3,7,0,7,3,1,5,6,8,4,2,5,0,8,4,2,3,7,6,1,2,3,7,0,6,1,4,5,8,1,6,4,7,8,5,0,2,3]}
+PUZZLE:
+8 _ _  _ _ _  _ _ _
+_ _ 2  _ _ _  4 9 _
+_ _ 1  7 _ 3  _ _ _
+
+9 _ _  _ 5 _  _ _ _
+_ 5 _  3 1 _  _ 4 _
+_ _ _  _ _ _  9 _ _
+
+6 _ _  _ _ _  _ 7 2
+3 4 _  1 _ _  _ 6 _
+_ 7 _  8 _ _  _ _ _
+
+SOLUTION:
+8 6 7  9 4 5  3 2 1
+5 3 2  6 8 1  4 9 7
+4 9 1  7 2 3  6 8 5
+
+9 2 3  4 5 8  7 1 6
+7 5 6  3 1 9  2 4 8
+1 8 4  2 6 7  9 5 3
+
+6 1 9  5 3 4  8 7 2
+3 4 8  1 7 2  5 6 9
+2 7 5  8 9 6  1 3 4
+
+RATING: 1.75
+DATA:
+{"puzzle":[6,2,null,null,null,1,4,null,null,null,null,null,null,null,null,null,null,null,null,4,8,null,null,null,null,5,null,null,3,null,null,null,0,null,null,null,5,null,null,6,3,null,2,1,null,null,null,null,null,null,4,7,null,0,null,null,null,1,7,null,null,null,null,1,0,null,3,null,null,null,null,null,null,null,null,null,0,null,null,4,8],"solution":[6,2,5,0,8,1,4,7,3,7,1,3,4,6,5,0,8,2,0,4,8,7,2,3,6,5,1,4,3,7,2,1,0,8,6,5,5,8,0,6,3,7,2,1,4,2,6,1,8,5,4,7,3,0,8,5,4,1,7,2,3,0,6,1,0,6,3,4,8,5,2,7,3,7,2,5,0,6,1,4,8]}
+PUZZLE:
+7 3 _  _ _ 2  5 _ _
+_ _ _  _ _ _  _ _ _
+_ 5 9  _ _ _  _ 6 _
+
+_ 4 _  _ _ 1  _ _ _
+6 _ _  7 4 _  3 2 _
+_ _ _  _ _ 5  8 _ 1
+
+_ _ _  2 8 _  _ _ _
+2 1 _  4 _ _  _ _ _
+_ _ _  _ 1 _  _ 5 9
+
+SOLUTION:
+7 3 6  1 9 2  5 8 4
+8 2 4  5 7 6  1 9 3
+1 5 9  8 3 4  7 6 2
+
+5 4 8  3 2 1  9 7 6
+6 9 1  7 4 8  3 2 5
+3 7 2  9 6 5  8 4 1
+
+9 6 5  2 8 3  4 1 7
+2 1 7  4 5 9  6 3 8
+4 8 3  6 1 7  2 5 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,0,null,3,null,null,null,null,4,0,null,7,null,null,8,null,null,null,null,2,8,null,null,null,0,2,null,null,4,null,null,null,1,null,3,null,7,null,null,null,2,null,6,null,null,null,null,null,6,null,null,7,7,null,null,null,null,8,null,null,3,null,null,null,null,4,null,null,null,null,1,2,8,null,null,null,null,null,null],"solution":[8,7,2,0,5,3,4,6,1,5,4,0,6,7,1,3,8,2,6,3,1,2,8,4,5,7,0,2,0,6,4,3,7,8,1,5,3,8,7,5,1,0,2,4,6,4,1,5,8,2,6,0,3,7,7,5,4,1,0,8,6,2,3,0,6,3,7,4,2,1,5,8,1,2,8,3,6,5,7,0,4]}
+PUZZLE:
+_ _ _  1 _ 4  _ _ _
+_ 5 1  _ 8 _  _ 9 _
+_ _ _  3 9 _  _ _ 1
+
+3 _ _  5 _ _  _ 2 _
+4 _ 8  _ _ _  3 _ 7
+_ _ _  _ _ 7  _ _ 8
+
+8 _ _  _ _ 9  _ _ 4
+_ _ _  _ 5 _  _ _ _
+2 3 9  _ _ _  _ _ _
+
+SOLUTION:
+9 8 3  1 6 4  5 7 2
+6 5 1  7 8 2  4 9 3
+7 4 2  3 9 5  6 8 1
+
+3 1 7  5 4 8  9 2 6
+4 9 8  6 2 1  3 5 7
+5 2 6  9 3 7  1 4 8
+
+8 6 5  2 1 9  7 3 4
+1 7 4  8 5 3  2 6 9
+2 3 9  4 7 6  8 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,3,null,1,0,null,null,null,null,4,null,5,null,null,null,null,null,7,1,null,null,6,null,null,null,2,null,6,1,null,null,null,null,2,7,null,null,null,0,null,1,null,null,null,null,null,null,null,5,null,null,null,6,null,3,null,2,null,8,null,null,null,null,null,null,null,null,null,null,3,5,null,null,null,4,null,null,null,null,null,null],"solution":[2,3,6,1,0,7,5,8,4,4,0,5,2,3,8,6,1,7,1,7,8,6,5,4,0,2,3,6,1,3,8,4,0,2,7,5,5,2,0,7,1,6,4,3,8,8,4,7,5,2,3,1,6,0,3,6,2,0,8,5,7,4,1,0,8,1,4,7,2,3,5,6,7,5,4,3,6,1,8,0,2]}
+PUZZLE:
+_ 4 _  2 1 _  _ _ _
+5 _ 6  _ _ _  _ _ 8
+2 _ _  7 _ _  _ 3 _
+
+7 2 _  _ _ _  3 8 _
+_ _ 1  _ 2 _  _ _ _
+_ _ _  6 _ _  _ 7 _
+
+4 _ 3  _ 9 _  _ _ _
+_ _ _  _ _ _  4 6 _
+_ _ 5  _ _ _  _ _ _
+
+SOLUTION:
+3 4 7  2 1 8  6 9 5
+5 1 6  3 4 9  7 2 8
+2 8 9  7 6 5  1 3 4
+
+7 2 4  9 5 1  3 8 6
+6 3 1  8 2 7  5 4 9
+9 5 8  6 3 4  2 7 1
+
+4 7 3  1 9 6  8 5 2
+1 9 2  5 8 3  4 6 7
+8 6 5  4 7 2  9 1 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,7,2,5,1,null,null,null,4,null,null,null,6,null,0,null,null,null,null,null,3,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,0,null,4,null,null,null,2,1,null,null,null,null,8,null,0,null,null,null,null,null,null,null,null,null,6,null,5,null,1,8,null,null,null,7,7,null,null,null,null,null,8,3,null],"solution":[0,7,2,5,1,3,6,8,4,4,8,5,6,2,0,3,7,1,6,1,3,8,7,4,2,5,0,5,2,6,0,3,1,7,4,8,8,3,0,7,4,5,1,6,2,1,4,7,2,6,8,5,0,3,2,0,8,3,5,7,4,1,6,3,5,4,1,8,6,0,2,7,7,6,1,4,0,2,8,3,5]}
+PUZZLE:
+_ 8 3  6 2 _  _ _ 5
+_ _ _  7 _ 1  _ _ _
+_ _ 4  _ _ _  _ _ _
+
+_ _ 7  _ _ _  _ _ _
+_ _ 1  _ 5 _  _ _ 3
+2 _ _  _ _ 9  _ 1 _
+
+_ _ _  _ _ _  _ _ 7
+_ 6 _  2 9 _  _ _ 8
+8 _ _  _ _ _  9 4 _
+
+SOLUTION:
+1 8 3  6 2 4  7 9 5
+5 9 6  7 3 1  4 8 2
+7 2 4  9 8 5  3 6 1
+
+6 3 7  1 4 2  8 5 9
+9 4 1  8 5 6  2 7 3
+2 5 8  3 7 9  6 1 4
+
+3 1 9  4 6 8  5 2 7
+4 6 5  2 9 7  1 3 8
+8 7 2  5 1 3  9 4 6
+
+RATING: 0
+DATA:
+{"puzzle":[null,7,2,null,null,null,1,null,null,null,null,null,0,null,null,4,null,null,1,null,null,3,null,8,null,6,null,null,null,3,null,null,6,null,2,null,null,1,null,null,7,null,null,null,null,6,null,null,null,null,null,null,null,null,null,null,null,null,null,3,null,null,null,null,null,null,7,null,null,5,4,null,8,null,0,null,null,null,2,null,null],"solution":[3,7,2,6,5,4,1,8,0,5,8,6,0,1,7,4,3,2,1,0,4,3,2,8,7,6,5,4,5,3,1,0,6,8,2,7,0,1,8,4,7,2,3,5,6,6,2,7,8,3,5,0,1,4,7,4,5,2,8,3,6,0,1,2,3,1,7,6,0,5,4,8,8,6,0,5,4,1,2,7,3]}
+PUZZLE:
+_ 8 3  _ _ _  2 _ _
+_ _ _  1 _ _  5 _ _
+2 _ _  4 _ 9  _ 7 _
+
+_ _ 4  _ _ 7  _ 3 _
+_ 2 _  _ 8 _  _ _ _
+7 _ _  _ _ _  _ _ _
+
+_ _ _  _ _ 4  _ _ _
+_ _ _  8 _ _  6 5 _
+9 _ 1  _ _ _  3 _ _
+
+SOLUTION:
+4 8 3  7 6 5  2 9 1
+6 9 7  1 2 8  5 4 3
+2 1 5  4 3 9  8 7 6
+
+5 6 4  2 1 7  9 3 8
+1 2 9  5 8 3  4 6 7
+7 3 8  9 4 6  1 2 5
+
+8 5 6  3 9 4  7 1 2
+3 4 2  8 7 1  6 5 9
+9 7 1  6 5 2  3 8 4
+
+RATING: 4.75
+DATA:
+{"puzzle":[null,null,null,8,null,null,null,null,null,null,5,null,null,null,7,null,null,6,null,null,null,null,2,5,1,null,0,1,3,null,7,null,null,null,6,null,null,null,null,null,5,2,null,null,4,null,null,8,null,null,null,3,null,null,null,null,2,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,null,7,3,null,8,null,6,null,2],"solution":[4,0,7,8,1,6,5,2,3,2,5,1,0,3,7,4,8,6,3,8,6,4,2,5,1,7,0,1,3,4,7,0,8,2,6,5,7,6,0,3,5,2,8,1,4,5,2,8,6,4,1,3,0,7,6,1,2,5,7,3,0,4,8,8,4,5,2,6,0,7,3,1,0,7,3,1,8,4,6,5,2]}
+PUZZLE:
+_ _ _  9 _ _  _ _ _
+_ 6 _  _ _ 8  _ _ 7
+_ _ _  _ 3 6  2 _ 1
+
+2 4 _  8 _ _  _ 7 _
+_ _ _  _ 6 3  _ _ 5
+_ _ 9  _ _ _  4 _ _
+
+_ _ 3  _ _ _  _ _ _
+_ 5 _  _ _ _  _ _ _
+_ 8 4  _ 9 _  7 _ 3
+
+SOLUTION:
+5 1 8  9 2 7  6 3 4
+3 6 2  1 4 8  5 9 7
+4 9 7  5 3 6  2 8 1
+
+2 4 5  8 1 9  3 7 6
+8 7 1  4 6 3  9 2 5
+6 3 9  7 5 2  4 1 8
+
+7 2 3  6 8 4  1 5 9
+9 5 6  3 7 1  8 4 2
+1 8 4  2 9 5  7 6 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,2,null,7,null,null,null,4,null,5,null,1,2,null,0,null,null,null,3,0,null,null,null,null,null,null,4,null,null,3,null,null,null,null,null,1,null,null,null,null,2,null,null,null,2,null,null,null,0,4,null,null,3,null,7,4,null,null,null,null,null,null,null,null,null,8,null,null,7,7,null,null,null,null,null,8,0,null],"solution":[0,1,3,4,2,6,7,8,5,6,4,7,5,8,1,2,3,0,2,8,5,3,0,7,4,6,1,5,0,4,2,6,3,1,7,8,8,6,1,0,7,4,5,2,3,3,7,2,8,1,5,0,4,6,1,3,8,7,4,0,6,5,2,4,2,0,6,5,8,3,1,7,7,5,6,1,3,2,8,0,4]}
+PUZZLE:
+_ 2 _  _ 3 _  8 _ _
+_ 5 _  6 _ 2  3 _ 1
+_ _ _  4 1 _  _ _ _
+
+_ _ 5  _ _ 4  _ _ _
+_ _ 2  _ _ _  _ 3 _
+_ _ 3  _ _ _  1 5 _
+
+_ 4 _  8 5 _  _ _ _
+_ _ _  _ _ 9  _ _ 8
+8 _ _  _ _ _  9 1 _
+
+SOLUTION:
+1 2 4  5 3 7  8 9 6
+7 5 8  6 9 2  3 4 1
+3 9 6  4 1 8  5 7 2
+
+6 1 5  3 7 4  2 8 9
+9 7 2  1 8 5  6 3 4
+4 8 3  9 2 6  1 5 7
+
+2 4 9  8 5 1  7 6 3
+5 3 1  7 6 9  4 2 8
+8 6 7  2 4 3  9 1 5
+
+RATING: 0
+DATA:
+{"puzzle":[7,null,6,null,null,null,5,null,null,5,null,null,4,3,null,2,null,null,2,1,null,null,null,null,null,null,null,null,2,null,null,null,null,null,0,null,null,null,null,null,null,null,null,null,null,null,null,null,6,null,null,7,5,3,0,null,null,null,4,null,null,7,null,null,null,8,3,2,null,null,null,0,null,null,null,null,null,null,null,6,null],"solution":[7,3,6,2,0,1,5,8,4,5,8,0,4,3,7,2,1,6,2,1,4,5,6,8,0,3,7,3,2,5,7,1,4,6,0,8,8,6,7,0,5,3,4,2,1,4,0,1,6,8,2,7,5,3,0,5,3,1,4,6,8,7,2,6,7,8,3,2,5,1,4,0,1,4,2,8,7,0,3,6,5]}
+PUZZLE:
+8 _ 7  _ _ _  6 _ _
+6 _ _  5 4 _  3 _ _
+3 2 _  _ _ _  _ _ _
+
+_ 3 _  _ _ _  _ 1 _
+_ _ _  _ _ _  _ _ _
+_ _ _  7 _ _  8 6 4
+
+1 _ _  _ 5 _  _ 8 _
+_ _ 9  4 3 _  _ _ 1
+_ _ _  _ _ _  _ 7 _
+
+SOLUTION:
+8 4 7  3 1 2  6 9 5
+6 9 1  5 4 8  3 2 7
+3 2 5  6 7 9  1 4 8
+
+4 3 6  8 2 5  7 1 9
+9 7 8  1 6 4  5 3 2
+5 1 2  7 9 3  8 6 4
+
+1 6 4  2 5 7  9 8 3
+7 8 9  4 3 6  2 5 1
+2 5 3  9 8 1  4 7 6
+
+RATING: 0
+DATA:
+{"puzzle":[4,null,2,null,null,null,null,8,null,null,null,null,null,null,null,null,null,1,null,1,7,0,null,null,6,null,null,null,null,null,5,null,null,null,null,null,null,null,null,null,6,7,null,4,8,6,null,0,2,null,null,null,null,null,null,null,null,3,null,null,null,1,5,null,null,null,null,5,null,null,null,null,null,6,8,null,2,null,null,null,null],"solution":[4,5,2,6,1,3,7,8,0,0,8,6,4,7,2,5,3,1,3,1,7,0,8,5,6,2,4,8,7,1,5,4,0,3,6,2,2,3,5,1,6,7,0,4,8,6,4,0,2,3,8,1,5,7,7,2,4,3,0,6,8,1,5,1,0,3,8,5,4,2,7,6,5,6,8,7,2,1,4,0,3]}
+PUZZLE:
+5 _ 3  _ _ _  _ 9 _
+_ _ _  _ _ _  _ _ 2
+_ 2 8  1 _ _  7 _ _
+
+_ _ _  6 _ _  _ _ _
+_ _ _  _ 7 8  _ 5 9
+7 _ 1  3 _ _  _ _ _
+
+_ _ _  4 _ _  _ 2 6
+_ _ _  _ 6 _  _ _ _
+_ 7 9  _ 3 _  _ _ _
+
+SOLUTION:
+5 6 3  7 2 4  8 9 1
+1 9 7  5 8 3  6 4 2
+4 2 8  1 9 6  7 3 5
+
+9 8 2  6 5 1  4 7 3
+3 4 6  2 7 8  1 5 9
+7 5 1  3 4 9  2 6 8
+
+8 3 5  4 1 7  9 2 6
+2 1 4  9 6 5  3 8 7
+6 7 9  8 3 2  5 1 4
+
+RATING: 3.25
+DATA:
+{"puzzle":[6,null,null,8,null,null,null,null,null,null,null,7,null,null,null,null,null,null,null,3,null,5,2,null,6,7,1,2,null,null,null,7,null,null,null,null,null,null,null,6,null,null,7,null,null,null,null,null,null,1,null,8,null,null,null,2,null,null,null,5,null,0,3,3,null,null,null,null,null,null,null,null,null,0,null,7,null,1,null,8,null],"solution":[6,1,2,8,4,7,3,5,0,0,5,7,1,6,3,4,2,8,8,3,4,5,2,0,6,7,1,2,6,8,3,7,4,0,1,5,1,4,0,6,5,8,7,3,2,5,7,3,0,1,2,8,6,4,7,2,6,4,8,5,1,0,3,3,8,1,2,0,6,5,4,7,4,0,5,7,3,1,2,8,6]}
+PUZZLE:
+7 _ _  9 _ _  _ _ _
+_ _ 8  _ _ _  _ _ _
+_ 4 _  6 3 _  7 8 2
+
+3 _ _  _ 8 _  _ _ _
+_ _ _  7 _ _  8 _ _
+_ _ _  _ 2 _  9 _ _
+
+_ 3 _  _ _ 6  _ 1 4
+4 _ _  _ _ _  _ _ _
+_ 1 _  8 _ 2  _ 9 _
+
+SOLUTION:
+7 2 3  9 5 8  4 6 1
+1 6 8  2 7 4  5 3 9
+9 4 5  6 3 1  7 8 2
+
+3 7 9  4 8 5  1 2 6
+2 5 1  7 6 9  8 4 3
+6 8 4  1 2 3  9 7 5
+
+8 3 7  5 9 6  2 1 4
+4 9 2  3 1 7  6 5 8
+5 1 6  8 4 2  3 9 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,null,null,null,null,null,null,null,null,null,null,null,4,null,1,5,null,null,1,8,null,null,2,null,7,1,null,null,null,null,null,null,null,null,8,null,null,null,0,null,null,null,2,4,0,null,1,null,5,null,null,null,null,null,7,2,null,8,null,null,null,null,4,null,null,null,null,null,null,null,null,null,null,null,null,null,7,0,3],"solution":[7,6,4,5,1,2,0,3,8,2,8,0,3,7,4,6,1,5,3,5,1,8,6,0,2,4,7,1,3,5,7,2,6,4,8,0,8,7,6,4,0,3,1,5,2,4,0,2,1,8,5,3,7,6,0,1,7,2,3,8,5,6,4,6,4,3,0,5,7,8,2,1,5,2,8,6,4,1,7,0,3]}
+PUZZLE:
+_ 7 _  _ _ _  _ _ _
+_ _ _  _ _ 5  _ 2 6
+_ _ 2  9 _ _  3 _ 8
+
+2 _ _  _ _ _  _ _ _
+9 _ _  _ 1 _  _ _ 3
+5 1 _  2 _ 6  _ _ _
+
+_ _ 8  3 _ 9  _ _ _
+_ 5 _  _ _ _  _ _ _
+_ _ _  _ _ _  8 1 4
+
+SOLUTION:
+8 7 5  6 2 3  1 4 9
+3 9 1  4 8 5  7 2 6
+4 6 2  9 7 1  3 5 8
+
+2 4 6  8 3 7  5 9 1
+9 8 7  5 1 4  2 6 3
+5 1 3  2 9 6  4 8 7
+
+1 2 8  3 4 9  6 7 5
+7 5 4  1 6 8  9 3 2
+6 3 9  7 5 2  8 1 4
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,8,null,7,6,null,null,null,null,6,null,5,null,null,null,null,2,1,null,0,null,null,3,null,null,1,8,null,2,null,null,7,3,null,null,6,null,null,null,4,null,8,null,null,null,null,null,1,null,null,null,0,null,null,null,null,2,1,null,null,null,3,null,null,null,null,null,5,null,1,null,null,null,4,null,null,0,null,null],"solution":[0,4,5,8,3,7,6,1,2,8,3,6,1,5,2,4,0,7,2,1,7,0,4,6,3,5,8,1,8,0,2,6,5,7,3,4,7,6,2,3,0,4,1,8,5,4,5,3,7,1,8,2,6,0,6,0,4,5,2,1,8,7,3,3,2,8,6,7,0,5,4,1,5,7,1,4,8,3,0,2,6]}
+PUZZLE:
+_ _ _  9 _ 8  7 _ _
+_ _ 7  _ 6 _  _ _ _
+3 2 _  1 _ _  4 _ _
+
+2 9 _  3 _ _  8 4 _
+_ 7 _  _ _ 5  _ 9 _
+_ _ _  _ 2 _  _ _ 1
+
+_ _ _  _ 3 2  _ _ _
+4 _ _  _ _ _  6 _ 2
+_ _ _  5 _ _  1 _ _
+
+SOLUTION:
+1 5 6  9 4 8  7 2 3
+9 4 7  2 6 3  5 1 8
+3 2 8  1 5 7  4 6 9
+
+2 9 1  3 7 6  8 4 5
+8 7 3  4 1 5  2 9 6
+5 6 4  8 2 9  3 7 1
+
+7 1 5  6 3 2  9 8 4
+4 3 9  7 8 1  6 5 2
+6 8 2  5 9 4  1 3 7
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,0,6,null,null,null,null,null,null,null,null,null,4,null,5,2,null,null,null,null,null,null,0,null,null,7,null,null,1,null,2,null,null,7,null,null,null,null,null,null,null,8,1,null,null,null,3,null,null,null,null,null,0,null,null,7,0,5,null,null,4,null,null,2,null,null,1,null,null,null,null,null,null,null,4,null,null,2,0,null,3],"solution":[7,0,6,3,2,1,5,4,8,3,8,1,4,7,5,2,6,0,4,2,5,8,0,6,3,7,1,0,1,8,2,5,4,7,3,6,6,4,7,0,3,8,1,2,5,5,3,2,6,1,7,8,0,4,8,7,0,5,6,3,4,1,2,2,5,3,1,4,0,6,8,7,1,6,4,7,8,2,0,5,3]}
+PUZZLE:
+_ 1 7  _ _ _  _ _ _
+_ _ _  5 _ 6  3 _ _
+_ _ _  _ 1 _  _ 8 _
+
+_ 2 _  3 _ _  8 _ _
+_ _ _  _ _ 9  2 _ _
+_ 4 _  _ _ _  _ 1 _
+
+_ 8 1  6 _ _  5 _ _
+3 _ _  2 _ _  _ _ _
+_ _ 5  _ _ 3  1 _ 4
+
+SOLUTION:
+8 1 7  4 3 2  6 5 9
+4 9 2  5 8 6  3 7 1
+5 3 6  9 1 7  4 8 2
+
+1 2 9  3 6 5  8 4 7
+7 5 8  1 4 9  2 3 6
+6 4 3  7 2 8  9 1 5
+
+9 8 1  6 7 4  5 2 3
+3 6 4  2 5 1  7 9 8
+2 7 5  8 9 3  1 6 4
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,null,3,null,7,null,5,null,null,null,null,null,2,null,3,null,null,null,null,null,8,4,null,null,6,null,8,5,null,0,null,1,4,null,null,1,null,null,null,null,null,5,2,null,null,null,null,null,8,null,null,null,null,2,8,null,null,null,null,null,0,null,7,6,null,null,null,null,2,null,5,null,null,null,null,3,null,null,null],"solution":[4,6,2,0,3,1,7,8,5,8,5,0,6,7,2,4,3,1,7,3,1,5,8,4,2,0,6,6,8,5,2,0,7,1,4,3,0,1,7,3,4,6,8,5,2,2,4,3,1,5,8,0,6,7,1,2,8,4,6,5,3,7,0,3,7,6,8,1,0,5,2,4,5,0,4,7,2,3,6,1,8]}
+PUZZLE:
+_ _ _  _ 4 _  8 _ 6
+_ _ _  _ _ 3  _ 4 _
+_ _ _  _ 9 5  _ _ 7
+
+_ 9 6  _ 1 _  2 5 _
+_ 2 _  _ _ _  _ 6 3
+_ _ _  _ _ 9  _ _ _
+
+_ 3 9  _ _ _  _ _ 1
+_ 8 7  _ _ _  _ 3 _
+6 _ _  _ _ 4  _ _ _
+
+SOLUTION:
+5 7 3  1 4 2  8 9 6
+9 6 1  7 8 3  5 4 2
+8 4 2  6 9 5  3 1 7
+
+7 9 6  3 1 8  2 5 4
+1 2 8  4 5 7  9 6 3
+3 5 4  2 6 9  1 7 8
+
+2 3 9  5 7 6  4 8 1
+4 8 7  9 2 1  6 3 5
+6 1 5  8 3 4  7 2 9
+
+RATING: 5.5
+DATA:
+{"puzzle":[null,null,null,null,null,0,5,null,null,null,null,null,6,2,null,null,null,3,5,7,null,null,null,null,null,1,null,null,5,null,4,null,null,7,null,null,null,null,1,null,null,6,null,null,null,null,null,null,null,null,null,null,6,null,1,null,0,null,null,null,null,null,2,null,2,null,3,0,null,null,null,null,null,null,null,2,null,null,6,null,4],"solution":[4,6,3,1,7,0,5,2,8,0,1,8,6,2,5,4,7,3,5,7,2,8,4,3,0,1,6,8,5,6,4,1,2,7,3,0,7,3,1,0,8,6,2,4,5,2,0,4,5,3,7,8,6,1,1,4,0,7,6,8,3,5,2,6,2,5,3,0,4,1,8,7,3,8,7,2,5,1,6,0,4]}
+PUZZLE:
+_ _ _  _ _ 1  6 _ _
+_ _ _  7 3 _  _ _ 4
+6 8 _  _ _ _  _ 2 _
+
+_ 6 _  5 _ _  8 _ _
+_ _ 2  _ _ 7  _ _ _
+_ _ _  _ _ _  _ 7 _
+
+2 _ 1  _ _ _  _ _ 3
+_ 3 _  4 1 _  _ _ _
+_ _ _  3 _ _  7 _ 5
+
+SOLUTION:
+5 7 4  2 8 1  6 3 9
+1 2 9  7 3 6  5 8 4
+6 8 3  9 5 4  1 2 7
+
+9 6 7  5 2 3  8 4 1
+8 4 2  1 9 7  3 5 6
+3 1 5  6 4 8  9 7 2
+
+2 5 1  8 7 9  4 6 3
+7 3 6  4 1 5  2 9 8
+4 9 8  3 6 2  7 1 5
+
+RATING: 1.75
+DATA:
+{"puzzle":[null,5,null,null,null,1,2,null,0,null,3,null,null,5,null,7,null,null,null,null,null,null,3,null,null,6,null,null,null,null,null,8,null,5,null,4,null,2,null,null,null,null,null,null,null,8,null,4,null,null,6,null,null,null,null,7,6,null,2,null,null,null,null,3,null,null,null,null,null,null,0,null,null,null,null,null,null,null,4,1,null],"solution":[7,5,8,6,4,1,2,3,0,6,3,2,8,5,0,7,4,1,4,0,1,2,3,7,8,6,5,0,6,3,1,8,2,5,7,4,5,2,7,4,0,3,1,8,6,8,1,4,5,7,6,0,2,3,1,7,6,0,2,4,3,5,8,3,4,5,7,1,8,6,0,2,2,8,0,3,6,5,4,1,7]}
+PUZZLE:
+_ 6 _  _ _ 2  3 _ 1
+_ 4 _  _ 6 _  8 _ _
+_ _ _  _ 4 _  _ 7 _
+
+_ _ _  _ 9 _  6 _ 5
+_ 3 _  _ _ _  _ _ _
+9 _ 5  _ _ 7  _ _ _
+
+_ 8 7  _ 3 _  _ _ _
+4 _ _  _ _ _  _ 1 _
+_ _ _  _ _ _  5 2 _
+
+SOLUTION:
+8 6 9  7 5 2  3 4 1
+7 4 3  9 6 1  8 5 2
+5 1 2  3 4 8  9 7 6
+
+1 7 4  2 9 3  6 8 5
+6 3 8  5 1 4  2 9 7
+9 2 5  6 8 7  1 3 4
+
+2 8 7  1 3 5  4 6 9
+4 5 6  8 2 9  7 1 3
+3 9 1  4 7 6  5 2 8
+
+RATING: 3.75
+DATA:
+{"puzzle":[6,2,null,8,null,null,1,null,null,8,null,7,1,4,null,null,3,null,1,null,null,null,null,null,2,4,null,null,null,1,null,3,7,null,0,null,null,null,null,null,5,null,4,null,null,null,null,null,null,null,6,null,null,null,7,8,null,null,2,null,0,null,null,null,null,3,null,1,0,null,null,null,null,null,null,5,null,null,null,null,null],"solution":[6,2,4,8,0,3,1,5,7,8,5,7,1,4,2,6,3,0,1,3,0,7,6,5,2,4,8,5,6,1,4,3,7,8,0,2,3,0,8,2,5,1,4,7,6,4,7,2,0,8,6,5,1,3,7,8,5,3,2,4,0,6,1,2,4,3,6,1,0,7,8,5,0,1,6,5,7,8,3,2,4]}
+PUZZLE:
+7 3 _  9 _ _  2 _ _
+9 _ 8  2 5 _  _ 4 _
+2 _ _  _ _ _  3 5 _
+
+_ _ 2  _ 4 8  _ 1 _
+_ _ _  _ 6 _  5 _ _
+_ _ _  _ _ 7  _ _ _
+
+8 9 _  _ 3 _  1 _ _
+_ _ 4  _ 2 1  _ _ _
+_ _ _  6 _ _  _ _ _
+
+SOLUTION:
+7 3 5  9 1 4  2 6 8
+9 6 8  2 5 3  7 4 1
+2 4 1  8 7 6  3 5 9
+
+6 7 2  5 4 8  9 1 3
+4 1 9  3 6 2  5 8 7
+5 8 3  1 9 7  6 2 4
+
+8 9 6  4 3 5  1 7 2
+3 5 4  7 2 1  8 9 6
+1 2 7  6 8 9  4 3 5
+
+RATING: 2.25
+DATA:
+{"puzzle":[null,null,null,1,null,null,null,null,null,null,null,null,3,null,null,null,6,1,null,null,null,null,7,6,8,null,3,4,null,1,null,6,null,null,null,null,6,null,7,null,null,null,null,1,null,null,null,null,0,null,null,null,5,null,null,1,null,null,null,2,0,null,7,2,null,4,null,null,0,null,null,5,8,null,null,null,null,3,null,null,null],"solution":[0,6,3,1,2,8,5,7,4,7,8,5,3,0,4,2,6,1,1,4,2,5,7,6,8,0,3,4,5,1,8,6,7,3,2,0,6,0,7,2,3,5,4,1,8,3,2,8,0,4,1,7,5,6,5,1,6,4,8,2,0,3,7,2,3,4,7,1,0,6,8,5,8,7,0,6,5,3,1,4,2]}
+PUZZLE:
+_ _ _  2 _ _  _ _ _
+_ _ _  4 _ _  _ 7 2
+_ _ _  _ 8 7  9 _ 4
+
+5 _ 2  _ 7 _  _ _ _
+7 _ 8  _ _ _  _ 2 _
+_ _ _  1 _ _  _ 6 _
+
+_ 2 _  _ _ 3  1 _ 8
+3 _ 5  _ _ 1  _ _ 6
+9 _ _  _ _ 4  _ _ _
+
+SOLUTION:
+1 7 4  2 3 9  6 8 5
+8 9 6  4 1 5  3 7 2
+2 5 3  6 8 7  9 1 4
+
+5 6 2  9 7 8  4 3 1
+7 1 8  3 4 6  5 2 9
+4 3 9  1 5 2  8 6 7
+
+6 2 7  5 9 3  1 4 8
+3 4 5  8 2 1  7 9 6
+9 8 1  7 6 4  2 5 3
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,3,null,7,6,null,null,8,null,null,null,null,null,null,null,null,null,null,null,null,8,6,null,4,null,null,0,null,null,null,null,4,null,null,null,5,7,1,2,null,null,null,null,3,null,null,8,null,null,5,null,null,null,null,null,7,null,null,null,3,0,6,null,null,null,null,null,2,1,null,null,null,null,null,null,0,null,null,null],"solution":[0,4,1,3,5,7,6,8,2,8,6,5,2,4,1,3,0,7,7,3,2,0,8,6,1,4,5,1,0,8,6,7,5,4,2,3,4,5,7,1,2,3,0,6,8,3,2,6,8,0,4,5,7,1,5,1,4,7,6,2,8,3,0,6,7,0,5,3,8,2,1,4,2,8,3,4,1,0,7,5,6]}
+PUZZLE:
+_ 5 _  4 _ 8  7 _ _
+9 _ _  _ _ _  _ _ _
+_ _ _  _ 9 7  _ 5 _
+
+_ 1 _  _ _ _  5 _ _
+_ 6 8  2 3 _  _ _ _
+4 _ _  9 _ _  6 _ _
+
+_ _ _  8 _ _  _ 4 1
+7 _ _  _ _ _  3 2 _
+_ _ _  _ _ 1  _ _ _
+
+SOLUTION:
+1 5 2  4 6 8  7 9 3
+9 7 6  3 5 2  4 1 8
+8 4 3  1 9 7  2 5 6
+
+2 1 9  7 8 6  5 3 4
+5 6 8  2 3 4  1 7 9
+4 3 7  9 1 5  6 8 2
+
+6 2 5  8 7 3  9 4 1
+7 8 1  6 4 9  3 2 5
+3 9 4  5 2 1  8 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,2,null,null,5,null,4,null,null,null,3,null,null,null,null,7,6,null,8,1,null,null,0,null,null,null,5,null,null,null,null,null,3,null,null,null,null,4,7,null,null,null,5,1,null,2,null,null,null,8,4,null,null,null,3,null,null,null,null,5,8,null,null,null,null,6,null,null,null,null,null,null,0,null,null,8,null,null,null],"solution":[3,1,7,2,0,6,5,8,4,2,0,5,3,8,4,1,6,7,6,4,8,1,5,7,0,2,3,0,5,4,8,1,2,7,3,6,8,3,6,4,7,0,2,1,5,1,7,2,6,3,5,8,4,0,7,2,3,0,4,1,6,5,8,5,8,1,7,6,3,4,0,2,4,6,0,5,2,8,3,7,1]}
+PUZZLE:
+_ _ _  3 _ _  6 _ 5
+_ _ _  4 _ _  _ _ 8
+7 _ 9  2 _ _  1 _ _
+
+_ 6 _  _ _ _  _ 4 _
+_ _ _  5 8 _  _ _ 6
+2 _ 3  _ _ _  9 5 _
+
+_ _ 4  _ _ _  _ 6 9
+_ _ _  _ 7 _  _ _ _
+_ _ 1  _ _ 9  _ _ _
+
+SOLUTION:
+4 2 8  3 1 7  6 9 5
+3 1 6  4 9 5  2 7 8
+7 5 9  2 6 8  1 3 4
+
+1 6 5  9 2 3  8 4 7
+9 4 7  5 8 1  3 2 6
+2 8 3  7 4 6  9 5 1
+
+8 3 4  1 5 2  7 6 9
+6 9 2  8 7 4  5 1 3
+5 7 1  6 3 9  4 8 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,null,null,6,5,0,4,null,3,null,null,null,null,null,null,null,0,null,1,2,null,3,6,7,2,null,null,null,1,null,null,null,null,null,null,null,null,null,null,null,null,null,1,null,5,null,null,7,null,null,null,null,null,null,8,null,null,7,7,null,null,null,0,null,3,4,null,null,null,0,null,null,null,null,null,null],"solution":[1,2,3,8,7,5,4,0,6,5,0,4,6,3,2,7,8,1,8,6,7,0,4,1,2,5,3,6,7,2,4,8,0,1,3,5,3,4,5,1,6,7,8,2,0,0,8,1,2,5,3,6,7,4,4,5,6,3,2,8,0,1,7,7,1,8,5,0,6,3,4,2,2,3,0,7,1,4,5,6,8]}
+PUZZLE:
+_ _ _  _ _ _  _ _ 7
+6 1 5  _ 4 _  _ _ _
+_ _ _  1 _ 2  3 _ 4
+
+7 8 3  _ _ _  2 _ _
+_ _ _  _ _ _  _ _ _
+_ _ 2  _ 6 _  _ 8 _
+
+_ _ _  _ _ 9  _ _ 8
+8 _ _  _ 1 _  4 5 _
+_ _ 1  _ _ _  _ _ _
+
+SOLUTION:
+2 3 4  9 8 6  5 1 7
+6 1 5  7 4 3  8 9 2
+9 7 8  1 5 2  3 6 4
+
+7 8 3  5 9 1  2 4 6
+4 5 6  2 7 8  9 3 1
+1 9 2  3 6 4  7 8 5
+
+5 6 7  4 3 9  1 2 8
+8 2 9  6 1 7  4 5 3
+3 4 1  8 2 5  6 7 9
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,7,null,null,null,2,0,null,null,0,null,null,null,1,null,null,null,null,null,null,4,null,null,5,null,null,8,null,2,null,6,null,3,null,null,null,3,1,null,2,null,null,6,null,5,null,null,null,null,null,null,2,null,null,5,null,0,null,null,7,null,4,7,null,4,5,null,null,null,null,null,null,null,null,null,1,null,null,null,null],"solution":[3,4,7,6,5,8,2,0,1,6,0,5,2,7,1,4,8,3,2,1,8,4,0,3,5,7,6,8,7,2,1,6,0,3,4,5,4,3,1,8,2,5,0,6,7,5,6,0,3,4,7,1,2,8,1,5,6,0,8,2,7,3,4,7,2,4,5,3,6,8,1,0,0,8,3,7,1,4,6,5,2]}
+PUZZLE:
+_ _ 8  _ _ _  3 1 _
+_ 1 _  _ _ 2  _ _ _
+_ _ _  5 _ _  6 _ _
+
+9 _ 3  _ 7 _  4 _ _
+_ 4 2  _ 3 _  _ 7 _
+6 _ _  _ _ _  _ 3 _
+
+_ 6 _  1 _ _  8 _ 5
+8 _ 5  6 _ _  _ _ _
+_ _ _  _ 2 _  _ _ _
+
+SOLUTION:
+4 5 8  7 6 9  3 1 2
+7 1 6  3 8 2  5 9 4
+3 2 9  5 1 4  6 8 7
+
+9 8 3  2 7 1  4 5 6
+5 4 2  9 3 6  1 7 8
+6 7 1  4 5 8  2 3 9
+
+2 6 7  1 9 3  8 4 5
+8 3 5  6 4 7  9 2 1
+1 9 4  8 2 5  7 6 3
+
+RATING: 1.5
+DATA:
+{"puzzle":[8,null,null,null,null,1,null,4,6,null,null,6,null,null,null,2,7,null,null,null,null,null,null,null,null,null,1,null,4,7,5,1,null,null,null,null,null,null,null,null,null,8,null,null,0,5,null,null,null,null,0,null,2,null,null,null,null,0,null,null,null,null,null,3,null,4,null,null,6,1,null,null,null,6,2,null,null,null,null,8,null],"solution":[8,7,0,2,5,1,3,4,6,4,1,6,8,0,3,2,7,5,2,3,5,6,4,7,8,0,1,0,4,7,5,1,2,6,3,8,6,2,3,4,7,8,5,1,0,5,8,1,3,6,0,4,2,7,1,5,8,0,2,4,7,6,3,3,0,4,7,8,6,1,5,2,7,6,2,1,3,5,0,8,4]}
+PUZZLE:
+9 _ _  _ _ 2  _ 5 7
+_ _ 7  _ _ _  3 8 _
+_ _ _  _ _ _  _ _ 2
+
+_ 5 8  6 2 _  _ _ _
+_ _ _  _ _ 9  _ _ 1
+6 _ _  _ _ 1  _ 3 _
+
+_ _ _  1 _ _  _ _ _
+4 _ 5  _ _ 7  2 _ _
+_ 7 3  _ _ _  _ 9 _
+
+SOLUTION:
+9 8 1  3 6 2  4 5 7
+5 2 7  9 1 4  3 8 6
+3 4 6  7 5 8  9 1 2
+
+1 5 8  6 2 3  7 4 9
+7 3 4  5 8 9  6 2 1
+6 9 2  4 7 1  5 3 8
+
+2 6 9  1 3 5  8 7 4
+4 1 5  8 9 7  2 6 3
+8 7 3  2 4 6  1 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,6,null,1,null,null,null,8,null,null,2,3,null,null,null,null,null,null,null,null,5,null,null,null,null,null,null,7,null,null,5,null,8,null,0,null,null,null,null,null,null,null,6,2,null,null,null,null,0,null,null,null,null,null,null,3,2,7,null,5,0,null,null,null,null,null,null,8,3,null,null,null,4,null,null,6,null,1,null,null,null],"solution":[0,6,7,1,5,4,2,8,3,1,2,3,8,6,0,4,5,7,8,4,5,3,7,2,1,6,0,7,1,6,5,2,8,3,0,4,3,8,0,4,1,7,6,2,5,2,5,4,0,3,6,8,7,1,6,3,2,7,4,5,0,1,8,5,0,1,2,8,3,7,4,6,4,7,8,6,0,1,5,3,2]}
+PUZZLE:
+_ 7 _  2 _ _  _ 9 _
+_ 3 4  _ _ _  _ _ _
+_ _ 6  _ _ _  _ _ _
+
+8 _ _  6 _ 9  _ 1 _
+_ _ _  _ _ _  7 3 _
+_ _ _  1 _ _  _ _ _
+
+_ 4 3  8 _ 6  1 _ _
+_ _ _  _ 9 4  _ _ _
+5 _ _  7 _ 2  _ _ _
+
+SOLUTION:
+1 7 8  2 6 5  3 9 4
+2 3 4  9 7 1  5 6 8
+9 5 6  4 8 3  2 7 1
+
+8 2 7  6 3 9  4 1 5
+4 9 1  5 2 8  7 3 6
+3 6 5  1 4 7  9 8 2
+
+7 4 3  8 5 6  1 2 9
+6 1 2  3 9 4  8 5 7
+5 8 9  7 1 2  6 4 3
+
+RATING: 1
+DATA:
+{"puzzle":[null,1,null,null,6,null,null,null,null,null,null,7,3,null,null,1,4,null,null,2,null,null,5,8,null,null,null,null,0,6,null,7,5,null,null,null,5,3,null,null,null,1,null,8,null,null,null,null,null,null,null,null,null,null,null,8,null,null,null,2,7,null,null,null,null,null,null,null,null,null,null,2,6,null,null,null,null,null,4,null,0],"solution":[3,1,5,4,6,7,0,2,8,8,6,7,3,2,0,1,4,5,4,2,0,1,5,8,3,7,6,1,0,6,8,7,5,2,3,4,5,3,4,2,0,1,6,8,7,2,7,8,6,3,4,5,0,1,0,8,1,5,4,2,7,6,3,7,4,3,0,1,6,8,5,2,6,5,2,7,8,3,4,1,0]}
+PUZZLE:
+_ 2 _  _ 7 _  _ _ _
+_ _ 8  4 _ _  2 5 _
+_ 3 _  _ 6 9  _ _ _
+
+_ 1 7  _ 8 6  _ _ _
+6 4 _  _ _ 2  _ 9 _
+_ _ _  _ _ _  _ _ _
+
+_ 9 _  _ _ 3  8 _ _
+_ _ _  _ _ _  _ _ 3
+7 _ _  _ _ _  5 _ 1
+
+SOLUTION:
+4 2 6  5 7 8  1 3 9
+9 7 8  4 3 1  2 5 6
+5 3 1  2 6 9  4 8 7
+
+2 1 7  9 8 6  3 4 5
+6 4 5  3 1 2  7 9 8
+3 8 9  7 4 5  6 1 2
+
+1 9 2  6 5 3  8 7 4
+8 5 4  1 2 7  9 6 3
+7 6 3  8 9 4  5 2 1
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,null,4,null,null,8,1,null,6,null,null,2,7,null,3,null,5,null,null,1,null,6,null,null,null,null,null,null,8,null,null,null,null,null,3,2,null,7,null,0,6,7,null,6,null,3,null,1,null,null,4,6,null,null,null,null,null,null,3,null,null,null,8,7,null,null,4,2,null,null,null,null,null,null,null,null,null],"solution":[6,0,2,7,8,5,4,3,1,8,1,4,6,0,3,2,7,5,3,7,5,4,2,1,0,6,8,2,4,0,1,6,8,3,5,7,1,5,3,2,4,7,8,0,6,7,8,6,5,3,0,1,2,4,4,6,8,0,5,2,7,1,3,0,3,1,8,7,6,5,4,2,5,2,7,3,1,4,6,8,0]}
+PUZZLE:
+_ _ _  _ _ _  5 _ _
+9 2 _  7 _ _  3 8 _
+4 _ 6  _ _ 2  _ 7 _
+
+_ _ _  _ _ 9  _ _ _
+_ _ 4  3 _ 8  _ 1 7
+8 _ 7  _ 4 _  2 _ _
+
+5 7 _  _ _ _  _ _ 4
+_ _ _  9 8 _  _ 5 3
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+7 1 3  8 9 6  5 4 2
+9 2 5  7 1 4  3 8 6
+4 8 6  5 3 2  1 7 9
+
+3 5 1  2 7 9  4 6 8
+2 6 4  3 5 8  9 1 7
+8 9 7  6 4 1  2 3 5
+
+5 7 9  1 6 3  8 2 4
+1 4 2  9 8 7  6 5 3
+6 3 8  4 2 5  7 9 1
+
+RATING: 2.5
+DATA:
+{"puzzle":[null,null,1,null,4,null,null,null,null,null,null,0,3,null,null,null,2,null,3,null,null,null,null,null,6,8,1,null,3,null,0,6,null,null,1,null,null,null,null,null,3,null,null,null,null,8,null,null,null,null,null,5,null,null,null,4,8,null,7,null,null,0,null,0,null,null,null,null,8,null,null,2,2,null,null,null,null,null,null,null,6],"solution":[5,8,1,2,4,6,3,7,0,7,6,0,3,8,1,4,2,5,3,2,4,7,5,0,6,8,1,4,3,5,0,6,7,2,1,8,1,7,2,8,3,5,0,6,4,8,0,6,1,2,4,5,3,7,6,4,8,5,7,2,1,0,3,0,5,3,6,1,8,7,4,2,2,1,7,4,0,3,8,5,6]}
+PUZZLE:
+_ _ 2  _ 5 _  _ _ _
+_ _ 1  4 _ _  _ 3 _
+4 _ _  _ _ _  7 9 2
+
+_ 4 _  1 7 _  _ 2 _
+_ _ _  _ 4 _  _ _ _
+9 _ _  _ _ _  6 _ _
+
+_ 5 9  _ 8 _  _ 1 _
+1 _ _  _ _ 9  _ _ 3
+3 _ _  _ _ _  _ _ 7
+
+SOLUTION:
+6 9 2  3 5 7  4 8 1
+8 7 1  4 9 2  5 3 6
+4 3 5  8 6 1  7 9 2
+
+5 4 6  1 7 8  3 2 9
+2 8 3  9 4 6  1 7 5
+9 1 7  2 3 5  6 4 8
+
+7 5 9  6 8 3  2 1 4
+1 6 4  7 2 9  8 5 3
+3 2 8  5 1 4  9 6 7
+
+RATING: 3.75
+DATA:
+{"puzzle":[null,null,null,2,8,null,null,null,null,7,null,null,null,null,null,null,1,3,null,6,null,1,null,null,null,null,null,null,8,2,null,4,null,0,null,null,4,null,null,null,0,null,6,3,null,null,3,null,null,null,null,null,null,null,null,null,4,null,6,2,null,null,null,null,null,8,null,null,null,null,0,null,null,null,null,null,3,null,1,8,null],"solution":[5,4,1,2,8,3,7,6,0,7,2,0,4,5,6,8,1,3,8,6,3,1,7,0,4,2,5,6,8,2,3,4,5,0,7,1,4,1,5,7,0,8,6,3,2,0,3,7,6,2,1,5,4,8,1,0,4,8,6,2,3,5,7,3,7,8,5,1,4,2,0,6,2,5,6,0,3,7,1,8,4]}
+PUZZLE:
+_ _ _  3 9 _  _ _ _
+8 _ _  _ _ _  _ 2 4
+_ 7 _  2 _ _  _ _ _
+
+_ 9 3  _ 5 _  1 _ _
+5 _ _  _ 1 _  7 4 _
+_ 4 _  _ _ _  _ _ _
+
+_ _ 5  _ 7 3  _ _ _
+_ _ 9  _ _ _  _ 1 _
+_ _ _  _ 4 _  2 9 _
+
+SOLUTION:
+6 5 2  3 9 4  8 7 1
+8 3 1  5 6 7  9 2 4
+9 7 4  2 8 1  5 3 6
+
+7 9 3  4 5 6  1 8 2
+5 2 6  8 1 9  7 4 3
+1 4 8  7 3 2  6 5 9
+
+2 1 5  9 7 3  4 6 8
+4 8 9  6 2 5  3 1 7
+3 6 7  1 4 8  2 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,0,4,2,null,1,null,6,null,null,null,null,null,null,0,null,7,null,1,null,null,null,null,7,null,null,2,null,null,0,null,null,null,6,null,7,null,5,null,6,null,null,null,null,1,null,null,null,null,null,null,3,null,null,2,null,1,null,0,null,null,null,null,6,3,null,1,8,null,null,null,null,null,null,null,null,null,null,null,null,5],"solution":[7,0,4,2,3,1,5,6,8,5,8,2,4,6,0,1,7,3,1,6,3,8,5,7,0,4,2,4,2,0,5,1,3,6,8,7,3,5,7,6,4,8,2,0,1,8,1,6,0,7,2,3,5,4,2,4,1,7,0,5,8,3,6,6,3,5,1,8,4,7,2,0,0,7,8,3,2,6,4,1,5]}
+PUZZLE:
+_ 1 5  3 _ 2  _ 7 _
+_ _ _  _ _ 1  _ 8 _
+2 _ _  _ _ 8  _ _ 3
+
+_ _ 1  _ _ _  7 _ 8
+_ 6 _  7 _ _  _ _ 2
+_ _ _  _ _ _  4 _ _
+
+3 _ 2  _ 1 _  _ _ _
+7 4 _  2 9 _  _ _ _
+_ _ _  _ _ _  _ _ 6
+
+SOLUTION:
+8 1 5  3 4 2  6 7 9
+6 9 3  5 7 1  2 8 4
+2 7 4  9 6 8  1 5 3
+
+5 3 1  6 2 4  7 9 8
+4 6 8  7 5 9  3 1 2
+9 2 7  1 8 3  4 6 5
+
+3 5 2  8 1 6  9 4 7
+7 4 6  2 9 5  8 3 1
+1 8 9  4 3 7  5 2 6
+
+RATING: 1.25
+DATA:
+{"puzzle":[null,5,null,null,null,7,0,null,null,2,null,null,5,8,null,null,null,null,null,null,null,null,null,6,null,null,null,null,null,null,null,null,5,6,null,0,null,6,4,null,null,null,null,null,null,null,null,1,7,null,8,null,null,null,null,null,null,3,null,0,null,null,4,4,null,null,null,7,null,null,null,null,null,1,8,null,4,null,7,0,null],"solution":[1,5,6,2,3,7,0,4,8,2,7,0,5,8,4,3,1,6,8,4,3,1,0,6,5,2,7,7,8,2,4,1,5,6,3,0,5,6,4,0,2,3,8,7,1,0,3,1,7,6,8,4,5,2,6,2,7,3,5,0,1,8,4,4,0,5,8,7,1,2,6,3,3,1,8,6,4,2,7,0,5]}
+PUZZLE:
+_ 6 _  _ _ 8  1 _ _
+3 _ _  6 9 _  _ _ _
+_ _ _  _ _ 7  _ _ _
+
+_ _ _  _ _ 6  7 _ 1
+_ 7 5  _ _ _  _ _ _
+_ _ 2  8 _ 9  _ _ _
+
+_ _ _  4 _ 1  _ _ 5
+5 _ _  _ 8 _  _ _ _
+_ 2 9  _ 5 _  8 1 _
+
+SOLUTION:
+2 6 7  3 4 8  1 5 9
+3 8 1  6 9 5  4 2 7
+9 5 4  2 1 7  6 3 8
+
+8 9 3  5 2 6  7 4 1
+6 7 5  1 3 4  9 8 2
+1 4 2  8 7 9  5 6 3
+
+7 3 8  4 6 1  2 9 5
+5 1 6  9 8 2  3 7 4
+4 2 9  7 5 3  8 1 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,3,null,null,null,null,null,null,null,null,5,null,null,3,null,8,null,null,null,null,1,8,null,null,null,null,null,null,1,4,null,null,null,7,2,null,null,null,null,null,7,5,3,null,null,4,null,null,null,null,6,null,null,null,7,null,2,null,null,null,5,0,null,6,8,7,4,null,null,null,null,null,null,null,null,null,8,null,null,null],"solution":[6,8,3,5,7,2,4,0,1,4,1,5,6,0,3,2,8,7,7,2,0,1,8,4,3,6,5,8,3,1,4,5,6,0,7,2,2,0,6,8,1,7,5,3,4,5,4,7,3,2,0,6,1,8,3,7,4,2,6,1,8,5,0,0,6,8,7,4,5,1,2,3,1,5,2,0,3,8,7,4,6]}
+PUZZLE:
+_ _ 4  _ _ _  _ _ _
+_ _ 6  _ _ 4  _ 9 _
+_ _ _  2 9 _  _ _ _
+
+_ _ 2  5 _ _  _ 8 3
+_ _ _  _ _ 8  6 4 _
+_ 5 _  _ _ _  7 _ _
+
+_ 8 _  3 _ _  _ 6 1
+_ 7 9  8 5 _  _ _ _
+_ _ _  _ _ 9  _ _ _
+
+SOLUTION:
+7 9 4  6 8 3  5 1 2
+5 2 6  7 1 4  3 9 8
+8 3 1  2 9 5  4 7 6
+
+9 4 2  5 6 7  1 8 3
+3 1 7  9 2 8  6 4 5
+6 5 8  4 3 1  7 2 9
+
+4 8 5  3 7 2  9 6 1
+1 7 9  8 5 6  2 3 4
+2 6 3  1 4 9  8 5 7
+
+RATING: 3.5
+DATA:
+{"puzzle":[null,null,null,8,1,null,3,null,4,null,null,4,null,null,3,7,null,null,null,8,null,4,null,null,null,null,5,null,null,null,null,null,null,null,0,null,null,null,6,null,2,null,5,8,null,null,7,null,null,5,4,null,null,null,null,null,null,1,null,5,null,null,2,null,2,3,null,null,null,null,null,null,null,null,null,null,null,6,null,7,null],"solution":[6,5,7,8,1,0,3,2,4,2,0,4,5,6,3,7,1,8,3,8,1,4,7,2,0,6,5,5,1,2,3,8,7,4,0,6,4,3,6,0,2,1,5,8,7,0,7,8,6,5,4,2,3,1,7,6,0,1,3,5,8,4,2,1,2,3,7,4,8,6,5,0,8,4,5,2,0,6,1,7,3]}
+PUZZLE:
+_ _ _  9 2 _  4 _ 5
+_ _ 5  _ _ 4  8 _ _
+_ 9 _  5 _ _  _ _ 6
+
+_ _ _  _ _ _  _ 1 _
+_ _ 7  _ 3 _  6 9 _
+_ 8 _  _ 6 5  _ _ _
+
+_ _ _  2 _ 6  _ _ 3
+_ 3 4  _ _ _  _ _ _
+_ _ _  _ _ 7  _ 8 _
+
+SOLUTION:
+7 6 8  9 2 1  4 3 5
+3 1 5  6 7 4  8 2 9
+4 9 2  5 8 3  1 7 6
+
+6 2 3  4 9 8  5 1 7
+5 4 7  1 3 2  6 9 8
+1 8 9  7 6 5  3 4 2
+
+8 7 1  2 4 6  9 5 3
+2 3 4  8 5 9  7 6 1
+9 5 6  3 1 7  2 8 4
+
+RATING: 0
+DATA:
+{"puzzle":[3,4,null,null,null,null,null,null,null,null,6,2,0,null,null,null,null,null,null,null,null,7,null,null,null,4,null,null,null,null,1,4,null,2,null,null,null,null,null,5,null,null,null,null,8,null,null,null,null,null,null,null,7,5,null,0,7,null,5,2,null,null,6,null,2,5,null,null,7,3,null,null,null,null,null,null,6,null,null,null,null],"solution":[3,4,1,6,8,5,0,2,7,7,6,2,0,3,4,5,8,1,0,5,8,7,2,1,6,4,3,5,7,6,1,4,8,2,3,0,2,1,0,5,7,3,4,6,8,8,3,4,2,0,6,1,7,5,4,0,7,3,5,2,8,1,6,6,2,5,8,1,7,3,0,4,1,8,3,4,6,0,7,5,2]}
+PUZZLE:
+4 5 _  _ _ _  _ _ _
+_ 7 3  1 _ _  _ _ _
+_ _ _  8 _ _  _ 5 _
+
+_ _ _  2 5 _  3 _ _
+_ _ _  6 _ _  _ _ 9
+_ _ _  _ _ _  _ 8 6
+
+_ 1 8  _ 6 3  _ _ 7
+_ 3 6  _ _ 8  4 _ _
+_ _ _  _ 7 _  _ _ _
+
+SOLUTION:
+4 5 2  7 9 6  1 3 8
+8 7 3  1 4 5  6 9 2
+1 6 9  8 3 2  7 5 4
+
+6 8 7  2 5 9  3 4 1
+3 2 1  6 8 4  5 7 9
+9 4 5  3 1 7  2 8 6
+
+5 1 8  4 6 3  9 2 7
+7 3 6  9 2 8  4 1 5
+2 9 4  5 7 1  8 6 3
+
+RATING: 3
+DATA:
+{"puzzle":[null,null,null,8,null,null,6,null,null,6,null,2,null,null,null,null,null,4,null,8,null,null,6,null,null,5,null,null,null,3,null,4,null,null,1,2,null,5,null,null,null,null,7,null,null,null,null,null,null,3,8,null,null,null,null,3,null,4,null,5,2,null,null,null,7,5,null,null,2,null,null,null,null,null,0,6,null,null,null,null,1],"solution":[5,1,7,8,0,4,6,2,3,6,0,2,3,5,7,1,8,4,3,8,4,2,6,1,0,5,7,7,6,3,5,4,0,8,1,2,4,5,8,1,2,6,7,3,0,0,2,1,7,3,8,4,6,5,1,3,6,4,7,5,2,0,8,8,7,5,0,1,2,3,4,6,2,4,0,6,8,3,5,7,1]}
+PUZZLE:
+_ _ _  9 _ _  7 _ _
+7 _ 3  _ _ _  _ _ 5
+_ 9 _  _ 7 _  _ 6 _
+
+_ _ 4  _ 5 _  _ 2 3
+_ 6 _  _ _ _  8 _ _
+_ _ _  _ 4 9  _ _ _
+
+_ 4 _  5 _ 6  3 _ _
+_ 8 6  _ _ 3  _ _ _
+_ _ 1  7 _ _  _ _ 2
+
+SOLUTION:
+6 2 8  9 1 5  7 3 4
+7 1 3  4 6 8  2 9 5
+4 9 5  3 7 2  1 6 8
+
+8 7 4  6 5 1  9 2 3
+5 6 9  2 3 7  8 4 1
+1 3 2  8 4 9  5 7 6
+
+2 4 7  5 8 6  3 1 9
+9 8 6  1 2 3  4 5 7
+3 5 1  7 9 4  6 8 2
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,7,null,8,null,null,null,null,3,1,null,5,null,null,null,6,null,null,null,null,null,null,3,null,null,4,null,null,4,null,6,null,2,7,null,null,null,2,7,null,null,8,null,null,null,6,null,null,null,null,4,null,0,2,null,null,null,null,4,7,8,1,null,null,null,null,null,6,null,null,null,null,null,null,2,null,null,null,null,null,7],"solution":[2,7,4,8,1,6,0,5,3,1,3,5,4,2,0,6,7,8,8,0,6,7,3,5,2,4,1,3,4,1,6,0,2,7,8,5,0,2,7,1,5,8,4,3,6,6,5,8,3,7,4,1,0,2,5,6,3,2,4,7,8,1,0,7,8,0,5,6,1,3,2,4,4,1,2,0,8,3,5,6,7]}
+PUZZLE:
+_ 8 _  9 _ _  _ _ 4
+2 _ 6  _ _ _  7 _ _
+_ _ _  _ 4 _  _ 5 _
+
+_ 5 _  7 _ 3  8 _ _
+_ 3 8  _ _ 9  _ _ _
+7 _ _  _ _ 5  _ 1 3
+
+_ _ _  _ 5 8  9 2 _
+_ _ _  _ 7 _  _ _ _
+_ _ 3  _ _ _  _ _ 8
+
+SOLUTION:
+3 8 5  9 2 7  1 6 4
+2 4 6  5 3 1  7 8 9
+9 1 7  8 4 6  3 5 2
+
+4 5 2  7 1 3  8 9 6
+1 3 8  2 6 9  5 4 7
+7 6 9  4 8 5  2 1 3
+
+6 7 4  3 5 8  9 2 1
+8 9 1  6 7 2  4 3 5
+5 2 3  1 9 4  6 7 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,1,0,null,7,null,null,null,4,null,null,null,null,null,null,null,5,null,null,null,null,3,null,null,null,null,null,null,2,8,1,null,null,null,4,6,3,null,null,7,null,5,null,null,1,null,null,null,null,null,3,null,null,3,null,null,null,null,null,null,2,null,null,null,0,7,null,6,null,1,null,null,null,null,null,8,null,0,null,null],"solution":[5,2,1,0,4,7,6,3,8,4,0,3,6,2,8,1,7,5,8,7,6,1,3,5,2,4,0,0,5,2,8,1,3,7,6,4,6,3,8,2,7,4,5,0,1,1,4,7,5,6,0,3,8,2,3,6,5,4,0,1,8,2,7,2,8,0,7,5,6,4,1,3,7,1,4,3,8,2,0,5,6]}
+PUZZLE:
+_ _ 2  1 _ 8  _ _ _
+5 _ _  _ _ _  _ _ 6
+_ _ _  _ 4 _  _ _ _
+
+_ _ 3  9 2 _  _ _ 5
+7 4 _  _ 8 _  6 _ _
+2 _ _  _ _ _  4 _ _
+
+4 _ _  _ _ _  _ 3 _
+_ _ 1  8 _ 7  _ 2 _
+_ _ _  _ 9 _  1 _ _
+
+SOLUTION:
+6 3 2  1 5 8  7 4 9
+5 1 4  7 3 9  2 8 6
+9 8 7  2 4 6  3 5 1
+
+1 6 3  9 2 4  8 7 5
+7 4 9  3 8 5  6 1 2
+2 5 8  6 7 1  4 9 3
+
+4 7 6  5 1 2  9 3 8
+3 9 1  8 6 7  5 2 4
+8 2 5  4 9 3  1 6 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,null,3,null,null,null,null,null,6,null,5,null,null,8,1,null,null,null,6,null,null,null,2,null,7,8,null,null,null,null,null,6,null,null,4,null,null,null,null,null,null,7,null,null,5,null,null,null,null,null,2,null,3,null,2,null,7,0,null,null,null,1,null,null,null,0,null,null,null,null,7,4,3,8,null,null,null,null],"solution":[4,2,1,8,7,3,6,5,0,3,0,6,4,5,2,7,8,1,8,5,7,6,0,1,4,2,3,7,8,3,0,2,5,1,6,4,2,4,0,1,6,8,5,3,7,1,6,5,7,3,4,8,0,2,5,3,8,2,1,7,0,4,6,6,1,2,5,4,0,3,7,8,0,7,4,3,8,6,2,1,5]}
+PUZZLE:
+_ _ _  _ _ 4  _ _ _
+_ _ 7  _ 6 _  _ 9 2
+_ _ _  7 _ _  _ 3 _
+
+8 9 _  _ _ _  _ 7 _
+_ 5 _  _ _ _  _ _ 8
+_ _ 6  _ _ _  _ _ 3
+
+_ 4 _  3 _ 8  1 _ _
+_ 2 _  _ _ 1  _ _ _
+_ 8 5  4 9 _  _ _ _
+
+SOLUTION:
+5 3 2  9 8 4  7 6 1
+4 1 7  5 6 3  8 9 2
+9 6 8  7 1 2  5 3 4
+
+8 9 4  1 3 6  2 7 5
+3 5 1  2 7 9  6 4 8
+2 7 6  8 4 5  9 1 3
+
+6 4 9  3 2 8  1 5 7
+7 2 3  6 5 1  4 8 9
+1 8 5  4 9 7  3 2 6
+
+RATING: 2.75
+DATA:
+{"puzzle":[null,null,2,null,5,null,null,1,null,null,null,null,null,null,4,null,null,8,null,null,null,8,null,null,6,null,7,null,null,null,3,2,null,null,null,null,null,null,8,null,null,null,0,null,null,null,4,5,0,null,null,null,null,null,null,0,null,5,7,null,2,null,null,null,null,null,6,null,null,null,null,null,7,null,null,null,null,1,3,6,null],"solution":[8,6,2,7,5,0,4,1,3,3,7,0,1,6,4,5,2,8,4,5,1,8,3,2,6,0,7,0,1,7,3,2,5,8,4,6,6,3,8,4,1,7,0,5,2,2,4,5,0,8,6,7,3,1,1,0,6,5,7,3,2,8,4,5,2,3,6,4,8,1,7,0,7,8,4,2,0,1,3,6,5]}
+PUZZLE:
+_ _ 3  _ 6 _  _ 2 _
+_ _ _  _ _ 5  _ _ 9
+_ _ _  9 _ _  7 _ 8
+
+_ _ _  4 3 _  _ _ _
+_ _ 9  _ _ _  1 _ _
+_ 5 6  1 _ _  _ _ _
+
+_ 1 _  6 8 _  3 _ _
+_ _ _  7 _ _  _ _ _
+8 _ _  _ _ 2  4 7 _
+
+SOLUTION:
+9 7 3  8 6 1  5 2 4
+4 8 1  2 7 5  6 3 9
+5 6 2  9 4 3  7 1 8
+
+1 2 8  4 3 6  9 5 7
+7 4 9  5 2 8  1 6 3
+3 5 6  1 9 7  8 4 2
+
+2 1 7  6 8 4  3 9 5
+6 3 4  7 5 9  2 8 1
+8 9 5  3 1 2  4 7 6
+
+RATING: 0
+DATA:
+{"puzzle":[5,2,null,null,3,null,null,null,null,null,4,3,null,null,2,null,1,null,null,null,null,null,null,null,8,null,null,null,null,null,null,null,null,null,6,null,null,5,null,null,8,null,7,null,null,null,null,null,null,null,3,null,null,8,0,null,null,4,null,null,null,5,null,null,null,null,null,6,0,null,2,null,7,null,null,2,null,null,null,null,4],"solution":[5,2,1,8,3,6,4,7,0,8,4,3,7,0,2,6,1,5,6,7,0,1,5,4,8,3,2,3,0,8,5,4,7,2,6,1,2,5,4,6,8,1,7,0,3,1,6,7,0,2,3,5,4,8,0,1,2,4,7,8,3,5,6,4,8,5,3,6,0,1,2,7,7,3,6,2,1,5,0,8,4]}
+PUZZLE:
+6 3 _  _ 4 _  _ _ _
+_ 5 4  _ _ 3  _ 2 _
+_ _ _  _ _ _  9 _ _
+
+_ _ _  _ _ _  _ 7 _
+_ 6 _  _ 9 _  8 _ _
+_ _ _  _ _ 4  _ _ 9
+
+1 _ _  5 _ _  _ 6 _
+_ _ _  _ 7 1  _ 3 _
+8 _ _  3 _ _  _ _ 5
+
+SOLUTION:
+6 3 2  9 4 7  5 8 1
+9 5 4  8 1 3  7 2 6
+7 8 1  2 6 5  9 4 3
+
+4 1 9  6 5 8  3 7 2
+3 6 5  7 9 2  8 1 4
+2 7 8  1 3 4  6 5 9
+
+1 2 3  5 8 9  4 6 7
+5 9 6  4 7 1  2 3 8
+8 4 7  3 2 6  1 9 5
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,null,5,null,null,2,null,null,null,null,2,8,3,6,1,5,null,null,null,1,null,null,0,null,null,null,1,4,null,null,null,null,0,8,8,null,null,null,null,null,null,null,2,5,null,null,6,null,null,null,null,null,null,null,5,null,null,null,null,7,3,3,null,null,null,4,null,null,null,null,null,6,null,7,null,null,null,null,null],"solution":[1,3,6,4,5,0,8,2,7,7,4,0,2,8,3,6,1,5,2,5,8,1,7,6,0,3,4,6,1,4,3,2,7,5,0,8,8,0,3,5,1,4,7,6,2,5,7,2,6,0,8,3,4,1,0,2,5,8,6,1,4,7,3,3,8,7,0,4,2,1,5,6,4,6,1,7,3,5,2,8,0]}
+PUZZLE:
+_ _ _  _ 6 _  _ 3 _
+_ _ _  3 9 4  7 2 6
+_ _ _  2 _ _  1 _ _
+
+_ 2 5  _ _ _  _ 1 9
+9 _ _  _ _ _  _ _ 3
+6 _ _  7 _ _  _ _ _
+
+_ _ 6  _ _ _  _ 8 4
+4 _ _  _ 5 _  _ _ _
+_ 7 _  8 _ _  _ _ _
+
+SOLUTION:
+2 4 7  5 6 1  9 3 8
+8 5 1  3 9 4  7 2 6
+3 6 9  2 8 7  1 4 5
+
+7 2 5  4 3 8  6 1 9
+9 1 4  6 2 5  8 7 3
+6 8 3  7 1 9  4 5 2
+
+1 3 6  9 7 2  5 8 4
+4 9 8  1 5 3  2 6 7
+5 7 2  8 4 6  3 9 1
+
+RATING: 2.25
+DATA:
+{"puzzle":[7,null,null,4,null,null,null,null,null,null,null,null,null,6,2,null,4,null,null,null,null,null,null,null,3,8,null,null,2,null,null,0,4,null,null,1,null,6,5,null,1,3,null,null,null,null,null,null,2,null,null,null,null,null,null,null,4,null,null,null,null,null,null,null,8,null,1,null,0,null,null,6,null,null,null,null,5,null,null,3,8],"solution":[7,1,8,4,3,5,0,6,2,5,3,0,8,6,2,1,4,7,2,4,6,0,7,1,3,8,5,8,2,3,5,0,4,6,7,1,0,6,5,7,1,3,8,2,4,4,7,1,2,8,6,5,0,3,6,5,4,3,2,8,7,1,0,3,8,7,1,4,0,2,5,6,1,0,2,6,5,7,4,3,8]}
+PUZZLE:
+8 _ _  5 _ _  _ _ _
+_ _ _  _ 7 3  _ 5 _
+_ _ _  _ _ _  4 9 _
+
+_ 3 _  _ 1 5  _ _ 2
+_ 7 6  _ 2 4  _ _ _
+_ _ _  3 _ _  _ _ _
+
+_ _ 5  _ _ _  _ _ _
+_ 9 _  2 _ 1  _ _ 7
+_ _ _  _ 6 _  _ 4 9
+
+SOLUTION:
+8 2 9  5 4 6  1 7 3
+6 4 1  9 7 3  2 5 8
+3 5 7  1 8 2  4 9 6
+
+9 3 4  6 1 5  7 8 2
+1 7 6  8 2 4  9 3 5
+5 8 2  3 9 7  6 1 4
+
+7 6 5  4 3 9  8 2 1
+4 9 8  2 5 1  3 6 7
+2 1 3  7 6 8  5 4 9
+
+RATING: 0
+DATA:
+{"puzzle":[null,1,null,null,7,null,null,null,2,null,8,null,1,null,null,null,3,null,null,null,null,null,null,0,7,null,null,null,null,3,null,null,4,8,null,null,null,6,null,7,null,2,null,null,null,5,2,null,null,null,null,null,null,null,null,null,null,4,5,null,null,null,null,null,null,null,null,1,null,4,null,8,1,null,null,null,null,null,null,6,null],"solution":[4,1,0,6,7,3,5,8,2,6,8,7,1,2,5,0,3,4,3,5,2,8,4,0,7,1,6,7,0,3,5,6,4,8,2,1,8,6,1,7,0,2,3,4,5,5,2,4,3,8,1,6,7,0,2,7,8,4,5,6,1,0,3,0,3,6,2,1,7,4,5,8,1,4,5,0,3,8,2,6,7]}
+PUZZLE:
+_ 2 _  _ 8 _  _ _ 3
+_ 9 _  2 _ _  _ 4 _
+_ _ _  _ _ 1  8 _ _
+
+_ _ 4  _ _ 5  9 _ _
+_ 7 _  8 _ 3  _ _ _
+6 3 _  _ _ _  _ _ _
+
+_ _ _  5 6 _  _ _ _
+_ _ _  _ 2 _  5 _ 9
+2 _ _  _ _ _  _ 7 _
+
+SOLUTION:
+5 2 1  7 8 4  6 9 3
+7 9 8  2 3 6  1 4 5
+4 6 3  9 5 1  8 2 7
+
+8 1 4  6 7 5  9 3 2
+9 7 2  8 1 3  4 5 6
+6 3 5  4 9 2  7 8 1
+
+3 8 9  5 6 7  2 1 4
+1 4 7  3 2 8  5 6 9
+2 5 6  1 4 9  3 7 8
+
+RATING: 2
+DATA:
+{"puzzle":[null,null,6,null,null,null,null,7,null,null,3,null,8,null,2,null,null,null,null,null,null,null,0,6,null,null,null,null,8,null,null,3,null,7,6,null,null,2,7,null,null,8,null,null,5,null,null,null,null,null,null,null,null,1,null,null,null,null,2,7,null,3,null,2,null,null,null,1,null,null,null,null,7,null,null,3,null,null,null,1,null],"solution":[0,4,6,1,5,3,2,7,8,5,3,1,8,7,2,4,0,6,8,7,2,4,0,6,1,5,3,4,8,5,2,3,1,7,6,0,1,2,7,0,6,8,3,4,5,3,6,0,7,4,5,8,2,1,6,1,8,5,2,7,0,3,4,2,0,3,6,1,4,5,8,7,7,5,4,3,8,0,6,1,2]}
+PUZZLE:
+_ _ 7  _ _ _  _ 8 _
+_ 4 _  9 _ 3  _ _ _
+_ _ _  _ 1 7  _ _ _
+
+_ 9 _  _ 4 _  8 7 _
+_ 3 8  _ _ 9  _ _ 6
+_ _ _  _ _ _  _ _ 2
+
+_ _ _  _ 3 8  _ 4 _
+3 _ _  _ 2 _  _ _ _
+8 _ _  4 _ _  _ 2 _
+
+SOLUTION:
+1 5 7  2 6 4  3 8 9
+6 4 2  9 8 3  5 1 7
+9 8 3  5 1 7  2 6 4
+
+5 9 6  3 4 2  8 7 1
+2 3 8  1 7 9  4 5 6
+4 7 1  8 5 6  9 3 2
+
+7 2 9  6 3 8  1 4 5
+3 1 4  7 2 5  6 9 8
+8 6 5  4 9 1  7 2 3
+
+RATING: 1
+DATA:
+{"puzzle":[null,0,null,8,null,null,5,null,null,6,null,null,null,4,null,null,null,null,null,null,2,null,null,5,null,1,null,null,1,null,null,null,4,3,null,null,null,null,null,null,null,null,6,null,7,2,null,3,null,5,null,null,null,1,null,8,null,null,null,null,null,null,0,null,null,null,null,3,null,null,null,null,4,null,null,null,1,2,null,3,null],"solution":[1,0,4,8,2,3,5,7,6,6,3,5,1,4,7,0,8,2,8,7,2,6,0,5,4,1,3,7,1,8,2,6,4,3,0,5,5,4,0,3,8,1,6,2,7,2,6,3,7,5,0,8,4,1,3,8,1,4,7,6,2,5,0,0,2,7,5,3,8,1,6,4,4,5,6,0,1,2,7,3,8]}
+PUZZLE:
+_ 1 _  9 _ _  6 _ _
+7 _ _  _ 5 _  _ _ _
+_ _ 3  _ _ 6  _ 2 _
+
+_ 2 _  _ _ 5  4 _ _
+_ _ _  _ _ _  7 _ 8
+3 _ 4  _ 6 _  _ _ 2
+
+_ 9 _  _ _ _  _ _ 1
+_ _ _  _ 4 _  _ _ _
+5 _ _  _ 2 3  _ 4 _
+
+SOLUTION:
+2 1 5  9 3 4  6 8 7
+7 4 6  2 5 8  1 9 3
+9 8 3  7 1 6  5 2 4
+
+8 2 9  3 7 5  4 1 6
+6 5 1  4 9 2  7 3 8
+3 7 4  8 6 1  9 5 2
+
+4 9 2  5 8 7  3 6 1
+1 3 8  6 4 9  2 7 5
+5 6 7  1 2 3  8 4 9
+
+RATING: 2.75
+DATA:
+{"puzzle":[8,null,null,null,null,2,null,0,null,null,null,2,null,null,null,7,null,null,null,null,null,null,0,null,null,3,null,1,null,5,null,null,0,6,null,null,null,null,null,null,4,null,null,null,1,null,3,null,8,null,null,0,2,null,null,null,null,null,8,5,null,null,4,null,null,4,3,null,null,null,null,null,6,null,null,null,null,1,null,null,null],"solution":[8,1,3,7,5,2,4,0,6,0,5,2,6,3,4,7,1,8,7,4,6,1,0,8,5,3,2,1,8,5,2,7,0,6,4,3,2,6,0,5,4,3,8,7,1,4,3,7,8,1,6,0,2,5,3,7,1,0,8,5,2,6,4,5,2,4,3,6,7,1,8,0,6,0,8,4,2,1,3,5,7]}
+PUZZLE:
+9 _ _  _ _ 3  _ 1 _
+_ _ 3  _ _ _  8 _ _
+_ _ _  _ 1 _  _ 4 _
+
+2 _ 6  _ _ 1  7 _ _
+_ _ _  _ 5 _  _ _ 2
+_ 4 _  9 _ _  1 3 _
+
+_ _ _  _ 9 6  _ _ 5
+_ _ 5  4 _ _  _ _ _
+7 _ _  _ _ 2  _ _ _
+
+SOLUTION:
+9 2 4  8 6 3  5 1 7
+1 6 3  7 4 5  8 2 9
+8 5 7  2 1 9  6 4 3
+
+2 9 6  3 8 1  7 5 4
+3 7 1  6 5 4  9 8 2
+5 4 8  9 2 7  1 3 6
+
+4 8 2  1 9 6  3 7 5
+6 3 5  4 7 8  2 9 1
+7 1 9  5 3 2  4 6 8
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,8,null,1,null,0,null,null,null,null,null,5,null,null,3,null,8,4,null,null,7,null,null,null,null,null,6,null,null,null,4,null,null,null,5,null,null,null,null,null,3,null,6,null,null,8,5,null,null,null,null,null,3,7,5,null,2,null,6,null,8,null,null,null,null,null,6,0,null,null,null,null,null,7,null,null,null,null,null],"solution":[6,5,3,8,4,1,7,0,2,1,0,7,6,5,2,8,3,4,8,4,2,0,7,3,5,6,1,7,6,0,1,3,4,2,8,5,5,1,4,2,0,8,3,7,6,2,3,8,5,6,7,1,4,0,3,7,5,4,2,0,6,1,8,4,2,1,3,8,6,0,5,7,0,8,6,7,1,5,4,2,3]}
+PUZZLE:
+_ _ _  9 _ 2  _ 1 _
+_ _ _  _ 6 _  _ 4 _
+9 5 _  _ 8 _  _ _ _
+
+_ 7 _  _ _ 5  _ _ _
+6 _ _  _ _ _  4 _ 7
+_ _ 9  6 _ _  _ _ _
+
+4 8 6  _ 3 _  7 _ 9
+_ _ _  _ _ 7  1 _ _
+_ _ _  8 _ _  _ _ _
+
+SOLUTION:
+7 6 4  9 5 2  8 1 3
+2 1 8  7 6 3  9 4 5
+9 5 3  1 8 4  6 7 2
+
+8 7 1  2 4 5  3 9 6
+6 2 5  3 1 9  4 8 7
+3 4 9  6 7 8  2 5 1
+
+4 8 6  5 3 1  7 2 9
+5 3 2  4 9 7  1 6 8
+1 9 7  8 2 6  5 3 4
+
+RATING: 1.5
+DATA:
+{"puzzle":[4,8,null,null,null,null,null,null,null,null,null,null,null,null,8,null,4,null,null,null,null,null,6,null,null,2,0,null,null,null,3,null,7,null,5,null,null,null,null,null,5,null,null,0,null,2,null,6,0,null,null,3,null,null,null,null,null,null,3,null,null,null,null,null,0,3,1,4,null,null,null,null,7,null,null,null,null,null,1,null,6],"solution":[4,8,2,5,1,0,7,6,3,6,3,0,2,7,8,5,4,1,5,1,7,4,6,3,8,2,0,0,4,1,3,2,7,6,5,8,3,7,8,6,5,1,4,0,2,2,5,6,0,8,4,3,1,7,1,6,5,7,3,2,0,8,4,8,0,3,1,4,6,2,7,5,7,2,4,8,0,5,1,3,6]}
+PUZZLE:
+5 9 _  _ _ _  _ _ _
+_ _ _  _ _ 9  _ 5 _
+_ _ _  _ 7 _  _ 3 1
+
+_ _ _  4 _ 8  _ 6 _
+_ _ _  _ 6 _  _ 1 _
+3 _ 7  1 _ _  4 _ _
+
+_ _ _  _ 4 _  _ _ _
+_ 1 4  2 5 _  _ _ _
+8 _ _  _ _ _  2 _ 7
+
+SOLUTION:
+5 9 3  6 2 1  8 7 4
+7 4 1  3 8 9  6 5 2
+6 2 8  5 7 4  9 3 1
+
+1 5 2  4 3 8  7 6 9
+4 8 9  7 6 2  5 1 3
+3 6 7  1 9 5  4 2 8
+
+2 7 6  8 4 3  1 9 5
+9 1 4  2 5 7  3 8 6
+8 3 5  9 1 6  2 4 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,6,null,3,null,4,null,null,4,null,null,null,null,0,null,6,null,5,null,4,null,null,null,null,null,2,6,null,7,null,0,null,null,null,4,null,null,2,8,null,null,null,7,null,null,null,null,null,6,null,1,null,null,null,2,null,null,null,5,null,0,null,null,5,null,null,null,null,null,8,null,null,null,null,2,null,null,6,null],"solution":[8,2,7,6,0,3,1,4,5,1,4,3,8,5,2,0,7,6,0,5,6,4,7,1,2,8,3,2,6,8,7,1,0,3,5,4,4,3,1,2,8,5,6,0,7,5,7,0,3,4,6,8,1,2,7,8,2,1,6,4,5,3,0,6,1,5,0,3,7,4,2,8,3,0,4,5,2,8,7,6,1]}
+PUZZLE:
+_ _ _  7 _ 4  _ 5 _
+_ 5 _  _ _ _  1 _ 7
+_ 6 _  5 _ _  _ _ _
+
+3 7 _  8 _ 1  _ _ _
+5 _ _  3 9 _  _ _ 8
+_ _ _  _ _ 7  _ 2 _
+
+_ _ 3  _ _ _  6 _ 1
+_ _ 6  _ _ _  _ _ 9
+_ _ _  _ 3 _  _ 7 _
+
+SOLUTION:
+9 3 8  7 1 4  2 5 6
+2 5 4  9 6 3  1 8 7
+1 6 7  5 8 2  3 9 4
+
+3 7 9  8 2 1  4 6 5
+5 4 2  3 9 6  7 1 8
+6 8 1  4 5 7  9 2 3
+
+8 9 3  2 7 5  6 4 1
+7 2 6  1 4 8  5 3 9
+4 1 5  6 3 9  8 7 2
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,null,8,3,null,null,1,null,8,null,null,null,null,1,null,null,null,null,7,null,null,null,null,3,null,null,null,4,2,5,null,null,null,null,null,null,null,null,2,1,null,null,null,null,null,null,null,null,null,null,null,5,null,null,null,1,4,8,null,null,6,null,7,null,null,null,6,null,null,null,2,null,6,5,null,null,null,4,null,7],"solution":[4,2,6,8,3,0,7,1,5,8,5,3,7,4,1,0,2,6,1,7,0,6,5,2,3,4,8,3,4,2,5,7,6,8,0,1,5,0,8,2,1,4,6,7,3,6,1,7,3,0,8,2,5,4,2,3,1,4,8,7,5,6,0,7,8,4,0,6,5,1,3,2,0,6,5,1,2,3,4,8,7]}
+PUZZLE:
+_ _ _  9 4 _  _ 2 _
+9 _ _  _ _ 2  _ _ _
+_ 8 _  _ _ _  4 _ _
+
+_ 5 3  6 _ _  _ _ _
+_ _ _  3 2 _  _ _ _
+_ _ _  _ _ _  _ 6 _
+
+_ _ 2  5 9 _  _ 7 _
+8 _ _  _ 7 _  _ _ 3
+_ 7 6  _ _ _  5 _ 8
+
+SOLUTION:
+5 3 7  9 4 1  8 2 6
+9 6 4  8 5 2  1 3 7
+2 8 1  7 6 3  4 5 9
+
+4 5 3  6 8 7  9 1 2
+6 1 9  3 2 5  7 8 4
+7 2 8  4 1 9  3 6 5
+
+3 4 2  5 9 8  6 7 1
+8 9 5  1 7 6  2 4 3
+1 7 6  2 3 4  5 9 8
+
+RATING: 3.25
+DATA:
+{"puzzle":[3,null,4,7,null,null,null,null,null,6,null,null,0,null,null,null,5,null,8,5,null,null,null,null,null,null,7,null,null,null,6,null,null,null,null,null,4,null,null,null,5,2,8,null,null,null,8,0,null,null,null,null,null,null,null,6,null,2,null,null,0,null,1,null,null,2,null,null,null,null,null,4,0,null,null,null,null,null,2,8,null],"solution":[3,0,4,7,6,5,1,2,8,6,2,7,0,1,8,4,5,3,8,5,1,4,2,3,6,0,7,1,3,5,6,8,0,7,4,2,4,7,6,3,5,2,8,1,0,2,8,0,1,4,7,3,6,5,5,6,8,2,3,4,0,7,1,7,1,2,8,0,6,5,3,4,0,4,3,5,7,1,2,8,6]}
+PUZZLE:
+4 _ 5  8 _ _  _ _ _
+7 _ _  1 _ _  _ 6 _
+9 6 _  _ _ _  _ _ 8
+
+_ _ _  7 _ _  _ _ _
+5 _ _  _ 6 3  9 _ _
+_ 9 1  _ _ _  _ _ _
+
+_ 7 _  3 _ _  1 _ 2
+_ _ 3  _ _ _  _ _ 5
+1 _ _  _ _ _  3 9 _
+
+SOLUTION:
+4 1 5  8 7 6  2 3 9
+7 3 8  1 2 9  5 6 4
+9 6 2  5 3 4  7 1 8
+
+2 4 6  7 9 1  8 5 3
+5 8 7  4 6 3  9 2 1
+3 9 1  2 5 8  4 7 6
+
+6 7 9  3 4 5  1 8 2
+8 2 3  9 1 7  6 4 5
+1 5 4  6 8 2  3 9 7
+
+RATING: 1.5
+DATA:
+{"puzzle":[null,null,null,8,null,4,null,null,5,3,null,null,null,1,null,null,6,null,null,5,null,null,null,null,0,null,null,null,null,8,null,null,null,6,null,1,null,7,null,null,null,null,null,4,null,null,4,null,null,0,null,3,null,null,5,8,null,null,null,2,null,null,null,null,null,null,7,null,null,null,5,2,null,null,null,6,null,null,7,null,null],"solution":[7,1,0,8,6,4,2,3,5,3,2,4,0,1,5,8,6,7,8,5,6,2,7,3,0,1,4,0,3,8,5,4,7,6,2,1,6,7,1,3,2,8,5,4,0,2,4,5,1,0,6,3,7,8,5,8,7,4,3,2,1,0,6,1,6,3,7,8,0,4,5,2,4,0,2,6,5,1,7,8,3]}
+PUZZLE:
+_ _ _  9 _ 5  _ _ 6
+4 _ _  _ 2 _  _ 7 _
+_ 6 _  _ _ _  1 _ _
+
+_ _ 9  _ _ _  7 _ 2
+_ 8 _  _ _ _  _ 5 _
+_ 5 _  _ 1 _  4 _ _
+
+6 9 _  _ _ 3  _ _ _
+_ _ _  8 _ _  _ 6 3
+_ _ _  7 _ _  8 _ _
+
+SOLUTION:
+8 2 1  9 7 5  3 4 6
+4 3 5  1 2 6  9 7 8
+9 6 7  3 8 4  1 2 5
+
+1 4 9  6 5 8  7 3 2
+7 8 2  4 3 9  6 5 1
+3 5 6  2 1 7  4 8 9
+
+6 9 8  5 4 3  2 1 7
+2 7 4  8 9 1  5 6 3
+5 1 3  7 6 2  8 9 4
+
+RATING: 3
+DATA:
+{"puzzle":[0,null,null,null,2,null,null,null,null,null,null,null,null,5,null,null,3,null,null,1,null,null,null,8,null,null,7,1,null,null,null,4,null,5,null,null,4,8,null,null,null,6,null,null,0,null,null,null,null,null,0,null,null,null,null,null,5,null,null,4,null,1,null,null,null,0,null,null,null,null,2,null,2,null,null,3,null,null,0,null,4],"solution":[0,7,4,1,2,3,6,5,8,6,2,8,0,5,7,4,3,1,5,1,3,4,6,8,2,0,7,1,0,7,8,4,2,5,6,3,4,8,2,5,3,6,1,7,0,3,5,6,7,1,0,8,4,2,8,3,5,2,0,4,7,1,6,7,4,0,6,8,1,3,2,5,2,6,1,3,7,5,0,8,4]}
+PUZZLE:
+1 _ _  _ 3 _  _ _ _
+_ _ _  _ 6 _  _ 4 _
+_ 2 _  _ _ 9  _ _ 8
+
+2 _ _  _ 5 _  6 _ _
+5 9 _  _ _ 7  _ _ 1
+_ _ _  _ _ 1  _ _ _
+
+_ _ 6  _ _ 5  _ 2 _
+_ _ 1  _ _ _  _ 3 _
+3 _ _  4 _ _  1 _ 5
+
+SOLUTION:
+1 8 5  2 3 4  7 6 9
+7 3 9  1 6 8  5 4 2
+6 2 4  5 7 9  3 1 8
+
+2 1 8  9 5 3  6 7 4
+5 9 3  6 4 7  2 8 1
+4 6 7  8 2 1  9 5 3
+
+9 4 6  3 1 5  8 2 7
+8 5 1  7 9 2  4 3 6
+3 7 2  4 8 6  1 9 5
+
+RATING: 1
+DATA:
+{"puzzle":[8,null,null,null,3,null,null,null,1,7,null,null,null,null,null,null,null,null,4,null,null,null,null,null,3,5,null,null,null,2,null,null,null,5,0,null,5,null,null,2,null,null,8,3,null,null,3,null,null,null,8,null,2,null,null,null,null,4,2,5,null,null,null,null,null,null,null,7,1,null,null,null,0,1,null,6,null,null,null,null,null],"solution":[8,2,6,5,3,4,0,7,1,7,5,3,1,0,2,4,6,8,4,0,1,8,6,7,3,5,2,1,8,2,3,4,6,5,0,7,5,7,4,2,1,0,8,3,6,6,3,0,7,5,8,1,2,4,3,6,8,4,2,5,7,1,0,2,4,5,0,7,1,6,8,3,0,1,7,6,8,3,2,4,5]}
+PUZZLE:
+9 _ _  _ 4 _  _ _ 2
+8 _ _  _ _ _  _ _ _
+5 _ _  _ _ _  4 6 _
+
+_ _ 3  _ _ _  6 1 _
+6 _ _  3 _ _  9 4 _
+_ 4 _  _ _ 9  _ 3 _
+
+_ _ _  5 3 6  _ _ _
+_ _ _  _ 8 2  _ _ _
+1 2 _  7 _ _  _ _ _
+
+SOLUTION:
+9 3 7  6 4 5  1 8 2
+8 6 4  2 1 3  5 7 9
+5 1 2  9 7 8  4 6 3
+
+2 9 3  4 5 7  6 1 8
+6 8 5  3 2 1  9 4 7
+7 4 1  8 6 9  2 3 5
+
+4 7 9  5 3 6  8 2 1
+3 5 6  1 8 2  7 9 4
+1 2 8  7 9 4  3 5 6
+
+RATING: 1.5
+DATA:
+{"puzzle":[5,null,null,8,null,null,null,6,7,7,null,null,null,6,null,null,null,null,null,null,6,7,0,null,8,1,null,6,4,null,null,null,3,1,null,null,null,null,null,null,null,null,null,2,null,null,null,null,null,null,null,null,null,4,null,null,null,0,null,null,null,null,null,null,null,null,null,1,5,null,0,8,4,2,null,null,null,null,5,null,null],"solution":[5,0,1,8,3,2,4,6,7,7,8,4,5,6,1,0,3,2,2,3,6,7,0,4,8,1,5,6,4,8,2,7,3,1,5,0,0,5,3,1,4,8,7,2,6,1,7,2,6,5,0,3,8,4,8,1,5,0,2,7,6,4,3,3,6,7,4,1,5,2,0,8,4,2,0,3,8,6,5,7,1]}
+PUZZLE:
+6 _ _  9 _ _  _ 7 8
+8 _ _  _ 7 _  _ _ _
+_ _ 7  8 1 _  9 2 _
+
+7 5 _  _ _ 4  2 _ _
+_ _ _  _ _ _  _ 3 _
+_ _ _  _ _ _  _ _ 5
+
+_ _ _  1 _ _  _ _ _
+_ _ _  _ 2 6  _ 1 9
+5 3 _  _ _ _  6 _ _
+
+SOLUTION:
+6 1 2  9 4 3  5 7 8
+8 9 5  6 7 2  1 4 3
+3 4 7  8 1 5  9 2 6
+
+7 5 9  3 8 4  2 6 1
+1 6 4  2 5 9  8 3 7
+2 8 3  7 6 1  4 9 5
+
+9 2 6  1 3 8  7 5 4
+4 7 8  5 2 6  3 1 9
+5 3 1  4 9 7  6 8 2
+
+RATING: 0
+DATA:
+{"puzzle":[null,4,null,null,null,null,null,null,3,null,null,null,null,null,null,null,null,6,3,8,null,5,null,null,7,null,null,null,null,null,null,6,1,null,null,5,0,null,null,null,null,null,6,8,null,4,null,null,2,0,null,null,null,null,null,1,0,null,7,5,null,null,null,null,null,null,null,null,null,null,5,null,null,6,null,null,null,null,null,null,1],"solution":[6,4,7,1,8,0,5,2,3,1,0,5,3,2,7,8,4,6,3,8,2,5,4,6,7,1,0,8,2,3,7,6,1,4,0,5,0,7,1,4,5,3,6,8,2,4,5,6,2,0,8,1,3,7,2,1,0,8,7,5,3,6,4,7,3,4,6,1,2,0,5,8,5,6,8,0,3,4,2,7,1]}
+PUZZLE:
+_ 5 _  _ _ _  _ _ 4
+_ _ _  _ _ _  _ _ 7
+4 9 _  6 _ _  8 _ _
+
+_ _ _  _ 7 2  _ _ 6
+1 _ _  _ _ _  7 9 _
+5 _ _  3 1 _  _ _ _
+
+_ 2 1  _ 8 6  _ _ _
+_ _ _  _ _ _  _ 6 _
+_ 7 _  _ _ _  _ _ 2
+
+SOLUTION:
+7 5 8  2 9 1  6 3 4
+2 1 6  4 3 8  9 5 7
+4 9 3  6 5 7  8 2 1
+
+9 3 4  8 7 2  5 1 6
+1 8 2  5 6 4  7 9 3
+5 6 7  3 1 9  2 4 8
+
+3 2 1  9 8 6  4 7 5
+8 4 5  7 2 3  1 6 9
+6 7 9  1 4 5  3 8 2
+
+RATING: 0
+DATA:
+{"puzzle":[1,3,null,null,2,0,6,null,null,0,null,null,8,null,null,null,null,null,null,null,4,null,null,null,null,3,null,null,7,null,0,null,6,null,null,null,5,null,null,7,null,null,4,null,null,2,null,null,null,null,null,null,null,null,null,null,null,4,0,null,2,6,null,null,null,5,null,null,null,null,null,null,4,null,null,null,null,7,null,0,null],"solution":[1,3,7,5,2,0,6,8,4,0,5,6,8,3,4,7,2,1,8,2,4,6,7,1,5,3,0,3,7,1,0,4,6,8,5,2,5,6,0,7,8,2,4,1,3,2,4,8,1,5,3,0,7,6,7,1,3,4,0,5,2,6,8,6,0,5,2,1,8,3,4,7,4,8,2,3,6,7,1,0,5]}
+PUZZLE:
+2 4 _  _ 3 1  7 _ _
+1 _ _  9 _ _  _ _ _
+_ _ 5  _ _ _  _ 4 _
+
+_ 8 _  1 _ 7  _ _ _
+6 _ _  8 _ _  5 _ _
+3 _ _  _ _ _  _ _ _
+
+_ _ _  5 1 _  3 7 _
+_ _ 6  _ _ _  _ _ _
+5 _ _  _ _ 8  _ 1 _
+
+SOLUTION:
+2 4 8  6 3 1  7 9 5
+1 6 7  9 4 5  8 3 2
+9 3 5  7 8 2  6 4 1
+
+4 8 2  1 5 7  9 6 3
+6 7 1  8 9 3  5 2 4
+3 5 9  2 6 4  1 8 7
+
+8 2 4  5 1 6  3 7 9
+7 1 6  3 2 9  4 5 8
+5 9 3  4 7 8  2 1 6
+
+RATING: 1
+DATA:
+{"puzzle":[null,null,8,null,0,5,null,null,null,null,null,null,null,1,null,null,null,4,null,null,3,null,null,null,null,6,8,null,2,null,null,null,7,4,null,null,null,null,null,null,null,0,6,null,1,null,6,null,null,4,null,5,null,null,2,null,null,null,null,null,3,null,0,null,7,null,null,2,null,null,null,null,null,3,1,null,null,null,null,null,null],"solution":[7,4,8,6,0,5,1,3,2,6,0,2,3,1,8,7,5,4,5,1,3,4,7,2,0,6,8,1,2,5,8,6,7,4,0,3,4,8,7,5,3,0,6,2,1,3,6,0,2,4,1,5,8,7,2,5,4,7,8,6,3,1,0,0,7,6,1,2,3,8,4,5,8,3,1,0,5,4,2,7,6]}
+PUZZLE:
+_ _ 9  _ 1 6  _ _ _
+_ _ _  _ 2 _  _ _ 5
+_ _ 4  _ _ _  _ 7 9
+
+_ 3 _  _ _ 8  5 _ _
+_ _ _  _ _ 1  7 _ 2
+_ 7 _  _ 5 _  6 _ _
+
+3 _ _  _ _ _  4 _ 1
+_ 8 _  _ 3 _  _ _ _
+_ 4 2  _ _ _  _ _ _
+
+SOLUTION:
+8 5 9  7 1 6  2 4 3
+7 1 3  4 2 9  8 6 5
+6 2 4  5 8 3  1 7 9
+
+2 3 6  9 7 8  5 1 4
+5 9 8  6 4 1  7 3 2
+4 7 1  3 5 2  6 9 8
+
+3 6 5  8 9 7  4 2 1
+1 8 7  2 3 4  9 5 6
+9 4 2  1 6 5  3 8 7
+
+RATING: 0
+DATA:
+{"puzzle":[null,null,null,3,0,null,null,null,6,null,4,null,null,null,null,null,8,null,null,null,8,null,null,null,null,null,null,null,null,null,null,4,6,null,null,null,null,null,3,0,null,null,7,null,null,7,null,null,null,1,null,null,2,8,4,null,null,null,3,null,6,1,0,null,null,2,null,null,0,3,null,null,null,null,null,null,null,null,null,null,null],"solution":[2,7,1,3,0,8,4,5,6,0,4,6,1,5,7,2,8,3,5,3,8,6,2,4,1,0,7,8,2,0,7,4,6,5,3,1,1,5,3,0,8,2,7,6,4,7,6,4,5,1,3,0,2,8,4,8,7,2,3,5,6,1,0,6,1,2,8,7,0,3,4,5,3,0,5,4,6,1,8,7,2]}
+PUZZLE:
+_ _ _  4 1 _  _ _ 7
+_ 5 _  _ _ _  _ 9 _
+_ _ 9  _ _ _  _ _ _
+
+_ _ _  _ 5 7  _ _ _
+_ _ 4  1 _ _  8 _ _
+8 _ _  _ 2 _  _ 3 9
+
+5 _ _  _ 4 _  7 2 1
+_ _ 3  _ _ 1  4 _ _
+_ _ _  _ _ _  _ _ _
+
+SOLUTION:
+3 8 2  4 1 9  5 6 7
+1 5 7  2 6 8  3 9 4
+6 4 9  7 3 5  2 1 8
+
+9 3 1  8 5 7  6 4 2
+2 6 4  1 9 3  8 7 5
+8 7 5  6 2 4  1 3 9
+
+5 9 8  3 4 6  7 2 1
+7 2 3  9 8 1  4 5 6
+4 1 6  5 7 2  9 8 3
+
+RATING: 1.25
diff --git a/a2sudoku/ui.c b/a2sudoku/ui.c
index 1509a71..fcb8b75 100644
--- a/a2sudoku/ui.c
+++ b/a2sudoku/ui.c
@@ -198,7 +198,7 @@ bool setOptions(void)
         //               1111111111222222222233333333334
         //      1234567890123456789012345678901234567890
         printf(
-               "           Apple ][ Sudoku\n"
+               "           Apple // Sudoku\n"
                "            By Jeremy Rand\n"
                "\n"
                "Options:\n"
@@ -270,7 +270,7 @@ void displayInstructions(void)
     //               1111111111222222222233333333334
     //      1234567890123456789012345678901234567890
     printf(
-           "           Apple ][ Sudoku\n"
+           "           Apple // Sudoku\n"
            "            By Jeremy Rand\n"
            "\n"
            "The goal is to get the numbers from 1 to"
