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Pentomino Box Packing
21×
(7×5×3)
Discovered by
Torsten Sillke
(1993).
12 solutions.
U-3x5x7-1
U-3x5x7-2
U-3x5x7-3
U-3x5x7-4
U-3x5x7-5
U-3x5x7-6
U-3x5x7-7
U-3x5x7-8
U-3x5x7-9
U-3x5x7-10
U-3x5x7-11
U-3x5x7-12
Apr 14, 2015 by k16@chiba.email.ne.jp
(7×5×3)