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2 votes
1 answer
76 views

Square dissection into 4 congruent polygons with same perimeter length of square itself

24 votes
1 answer
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1 answer
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8 votes
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5 votes
2 answers
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8 votes
4 answers
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4 votes
1 answer
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11 votes
2 answers
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Make him shuffle most!

11 votes
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17 votes
8 answers
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8 votes
1 answer
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0 votes
3 answers
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11 votes
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longest path in 10x10 grid

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