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Hexomino Box Packing
70×
(21×20)
Discovered by
Michael Reid
(1999).
13 solutions.
6-14-20x21-1
6-14-20x21-2
6-14-20x21-3
6-14-20x21-4
6-14-20x21-5
6-14-20x21-6
6-14-20x21-7
6-14-20x21-8
6-14-20x21-9
6-14-20x21-10
6-14-20x21-11
6-14-20x21-12
6-14-20x21-13
Mar 26, 2015 by k16@chiba.email.ne.jp
(21×20)