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5/36
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Pentomino Box Packing
21×
(7×5×3)
Discovered by
Helmut Postl
(1993).
9 solutions.
5-36-3x5x7-1
5-36-3x5x7-2
5-36-3x5x7-3
5-36-3x5x7-4
5-36-3x5x7-5
5-36-3x5x7-6
5-36-3x5x7-7
5-36-3x5x7-8
5-36-3x5x7-9
Apr 23, 2015 by k16@chiba.email.ne.jp