research design online puzzle

4x7 - 28 pieces5x8 - 40 pieces5x9 - 45 pieces6x10 - 60 pieces7x11 - 77 pieces7x12 - 84 pieces8x13 - 104 pieces9x14 - 126 pieces9x15 - 135 pieces10x16 - 160 pieces11x17 - 187 pieces11x18 - 198 pieces12x19 - 228 pieces13x20 - 260 pieces13x21 - 273 pieces14x22 - 308 pieces15x23 - 345 pieces15x24 - 360 pieces16x25 - 400 pieces17x26 - 442 pieces17x27 - 459 pieces18x28 - 504 pieces18x29 - 522 pieces19x30 - 570 pieces20x31 - 620 pieces20x32 - 640 pieces Start a new game Create a multiplayer game table

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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