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Because hexaflexagons are really really fun to play with (and I was reading a paper on them at the same time I made my account).
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# ¿ May 10, 2013 22:13 |
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# ¿ Apr 26, 2024 20:33 |
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Because hexaflexagons are really really fun to play with (and I was reading a paper on them at the same time I made my account).
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# ¿ May 10, 2013 22:13 |
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# ¿ Apr 26, 2024 20:33 |