diff --git a/doc/example01_1.gif b/doc/example01_1.gif
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diff --git a/doc/example01_2.gif b/doc/example01_2.gif
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diff --git a/doc/example02_1.gif b/doc/example02_1.gif
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diff --git a/doc/example03_1.gif b/doc/example03_1.gif
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diff --git a/doc/example03_2.gif b/doc/example03_2.gif
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diff --git a/doc/example03_3.gif b/doc/example03_3.gif
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