Biochemistry online puzzle

2x4 - 8 pieces4x8 - 32 pieces5x10 - 50 pieces6x12 - 72 pieces6x13 - 78 pieces7x13 - 91 pieces7x14 - 98 pieces8x16 - 128 pieces9x17 - 153 pieces10x20 - 200 pieces16x31 - 496 pieces Start a new game

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