bladecatcher

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Karma
816
Created
December 3, 2009 (16y ago)
Submissions
0
  1. An Infinite Orchard (alaricstephen.com)
  2. Fold-and-cut theorem (en.wikipedia.org)
  3. The Unseeing Insight (2017) (affinemess.quora.com)
  4. MU puzzle (en.wikipedia.org)
  5. Coin balancing puzzles (en.wikipedia.org)
  6. 100 prisoners problem (en.wikipedia.org)