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Pentomino Box Packing

20×5/23(5×5×4)

Discovered by Torsten Sillke (1993).

3 solutions.

  1. 5-23-4x5x5-1
  2. 5-23-4x5x5-2
  3. 5-23-4x5x5-3
Mar 25, 2015 by k16@chiba.email.ne.jp