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Heptomino Box Packing
40×
(20×14)
Discovered by
白川俊博
(Toshihiro Shirakawa) (2015).
802 solutions. (shown 5 solutions)
7-36-14x20-1
7-36-14x20-2
7-36-14x20-3
7-36-14x20-4
7-36-14x20-5
Apr 19, 2015 by k16@chiba.email.ne.jp