mysterious note online puzzle

4x4 - 16 pieces5x5 - 25 pieces6x6 - 36 pieces7x7 - 49 pieces8x8 - 64 pieces9x9 - 81 pieces10x10 - 100 pieces12x11 - 132 pieces13x12 - 156 pieces14x13 - 182 pieces15x14 - 210 pieces16x15 - 240 pieces17x16 - 272 pieces18x17 - 306 pieces19x18 - 342 pieces20x19 - 380 pieces21x20 - 420 pieces23x21 - 483 pieces24x22 - 528 pieces Start a new game Create a multiplayer game table

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