birthday online puzzle

4x4 - 16 pieces6x5 - 30 pieces7x6 - 42 pieces8x7 - 56 pieces9x8 - 72 pieces11x9 - 99 pieces12x10 - 120 pieces13x11 - 143 pieces14x12 - 168 pieces15x13 - 195 pieces17x14 - 238 pieces18x15 - 270 pieces19x16 - 304 pieces20x17 - 340 pieces22x18 - 396 pieces23x19 - 437 pieces24x20 - 480 pieces25x21 - 525 pieces27x22 - 594 pieces28x23 - 644 pieces29x24 - 696 pieces30x25 - 750 pieces Start a new game Create a multiplayer game table

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