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Heptomino Box Packing
40×
(14×5×4)
Discovered by
白川俊博
(Toshihiro Shirakawa) (2014).
3 solutions.
7-9-4x5x14-1
7-9-4x5x14-2
7-9-4x5x14-3
Feb 19, 2015 by k16@chiba.email.ne.jp