Forum: Puzzles
2019-05-20, 17:59
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Replies: 14
Views: 6,249
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Forum: Puzzles
2019-05-13, 12:12
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Replies: 5
Views: 2,186
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Forum: Puzzles
2019-05-13, 10:34
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Replies: 5
Views: 2,186
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Forum: Puzzles
2019-05-13, 10:06
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Replies: 5
Views: 2,186
you need parity argument.
Mark each x black...
you need parity argument.
Mark each x black and white like a a chessBoard (corner white preferably).
You have to start from a black square (total count 12), visit 13 white square and 11 black...
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