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5/36
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Pentomino Box Packing
20×
(5×5×4)
Discovered by
Helmut Postl
(1993).
13 solutions.
5-36-4x5x5-1
5-36-4x5x5-2
5-36-4x5x5-3
5-36-4x5x5-4
5-36-4x5x5-5
5-36-4x5x5-6
5-36-4x5x5-7
5-36-4x5x5-8
5-36-4x5x5-9
5-36-4x5x5-10
5-36-4x5x5-11
5-36-4x5x5-12
5-36-4x5x5-13
Apr 23, 2015 by k16@chiba.email.ne.jp