Practice 13 biology online puzzle

2x2 - 4 pieces4x3 - 12 pieces7x5 - 35 pieces8x6 - 48 pieces9x6 - 54 pieces10x7 - 70 pieces12x8 - 96 pieces13x9 - 117 pieces15x10 - 150 pieces18x12 - 216 pieces27x18 - 486 pieces Start a new game

By arranging these puzzles, you show us that they are worth showing to more visitors. Until they become more popular, they are partially hidden.

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