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Pentomino Box Packing

80×5/47(20×20)

Discovered by Helmut Postl (1998).

23 solutions. (shown 5 solutions)

  1. 5-47-20x20-1
  2. 5-47-20x20-2
  3. 5-47-20x20-3
  4. 5-47-20x20-4
  5. 5-47-20x20-5
Apr 23, 2015 by k16@chiba.email.ne.jp