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Pentomino Box Packing
10×
2-sided (5×5×2)
Discovered by
Torsten Sillke
(1993).
3 solutions.
5-16r-2x5x5-1
5-16r-2x5x5-2
5-16r-2x5x5-3
Mar 23, 2015 by k16@chiba.email.ne.jp