My missing piece online puzzle

2x3 - 6 pieces3x3 - 9 pieces4x5 - 20 pieces5x6 - 30 pieces7x8 - 56 pieces8x9 - 72 pieces8x10 - 80 pieces9x11 - 99 pieces10x12 - 120 pieces11x13 - 143 pieces13x15 - 195 pieces20x24 - 480 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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