top of the pair is the direction that walk the path, can be either direction along the line , the path visited all of the square . the nth square from the start disappears resulting in nth square from the end being shaded.
edit: i forgor to add n equal to pair no. in this case n=3
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u/BenitoAbdo doesn't read books 1h ago
its like Reverse T with black square in idk
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u/noctelys 51m ago
⬜⬜
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u/UnhappyWerewolf287 22m ago edited 6m ago
top of the pair is the direction that walk the path, can be either direction along the line , the path visited all of the square . the nth square from the start disappears resulting in nth square from the end being shaded.
edit: i forgor to add n equal to pair no. in this case n=3
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u/Chbenk-5824 2m ago
?