Structure of the human heart online puzzle

4x3 - 12 pieces7x5 - 35 pieces9x6 - 54 pieces10x7 - 70 pieces12x8 - 96 pieces13x9 - 117 pieces14x10 - 140 pieces17x12 - 204 pieces27x19 - 513 pieces38x26 - 988 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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