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5/51
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Pentomino Box Packing
36×
(15×4×3)
Discovered by
Helmut Postl
(1998).
1,460 solutions. (shown 5 solutions)
5-51-3x4x15-1
5-51-3x4x15-2
5-51-3x4x15-3
5-51-3x4x15-4
5-51-3x4x15-5
Apr 26, 2015 by k16@chiba.email.ne.jp