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Heptomino Box Packing
36×
(21×12)
Discovered by
白川俊博
(Toshihiro Shirakawa) (2015).
36 solutions. (shown 5 solutions)
7-36-12x21-1
7-36-12x21-2
7-36-12x21-3
7-36-12x21-4
7-36-12x21-5
Apr 19, 2015 by k16@chiba.email.ne.jp