SOUND POLLUTION MONITORING SYSTEM online puzzle

4x4 - 16 pieces6x5 - 30 pieces7x6 - 42 pieces8x7 - 56 pieces9x8 - 72 pieces10x9 - 90 pieces12x10 - 120 pieces13x11 - 143 pieces14x12 - 168 pieces15x13 - 195 pieces16x14 - 224 pieces18x15 - 270 pieces19x16 - 304 pieces20x17 - 340 pieces21x18 - 378 pieces23x19 - 437 pieces24x20 - 480 pieces25x21 - 525 pieces Start a new game Create a multiplayer game table

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