#include <stdio.h>

char data[12*6]={
	   0x00,0x00,0x40,0x01,0x00,0x00,
           0x00,0x00,0x0C,0x18,0x00,0x00,
           0x00,0x00,0x70,0x07,0x00,0x00,
           0x00,0x00,0x43,0x61,0x00,0x00,
           0x00,0x00,0x4C,0x19,0x00,0x00,
           0x33,0x00,0x70,0x07,0x00,0x66,
           0x30,0x06,0x40,0x01,0x30,0x06,
           0x3f,0x06,0x40,0x01,0x30,0x7e,
           0x40,0x07,0x30,0x06,0x70,0x01,
           0x7c,0x07,0x30,0x06,0x70,0x1f,
           0x00,0x18,0x0F,0x78,0x0C,0x00,
           0x00,0x60,0x40,0x01,0x03,0x00,
};

int main(int argc, char **argv) {

	int i,j,k,b,n,total=0,min=72;

	for(k=0;k<255;k++) {
	for(j=0;j<255;j++) {
	total=0;
	for(i=0;i<12*6;i++) {
		b=data[i];
		n=b;

		n=n>>j;
		n=n^k;

//		n=n/2;

//		if ((n<0x20) || (n>0x5f)) {
		if ((n<0x20) || (n>0x7e)) {
//			printf("%x %x out of range\n",b,n);
			total++;
		}
	}
	printf("%d,%d: Total %d / %d\n",j,k,total,12*6);
	if (total<min) min=total;
	}
	}
	printf("Min=%d\n",min);

	return 0;
}