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Pentomino Box Packing
96×
(24×20)
Discovered by
Helmut Postl
(1998).
9 solutions.
5-51-20x24-1
5-51-20x24-2
5-51-20x24-3
5-51-20x24-4
5-51-20x24-5
5-51-20x24-6
5-51-20x24-7
5-51-20x24-8
5-51-20x24-9
Apr 26, 2015 by k16@chiba.email.ne.jp