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Pentomino Box Packing

21×5/4(15×7)

Discovered by David Anthony Klarner (1969).

33,631 solutions. (shown 5 solutions)

  1. P-7x15-1
  2. P-7x15-2
  3. P-7x15-3
  4. P-7x15-4
  5. P-7x15-5
Apr 16, 2015 by k16@chiba.email.ne.jp