Activity life cycle online puzzle

4x5 - 20 pieces5x6 - 30 pieces6x7 - 42 pieces7x8 - 56 pieces8x9 - 72 pieces9x10 - 90 pieces10x11 - 110 pieces10x12 - 120 pieces11x13 - 143 pieces12x14 - 168 pieces13x15 - 195 pieces14x16 - 224 pieces15x17 - 255 pieces16x18 - 288 pieces17x19 - 323 pieces18x20 - 360 pieces19x21 - 399 pieces20x22 - 440 pieces Start a new game Create a multiplayer game table

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