Birthday Code online puzzle

6x4 - 24 pieces7x5 - 35 pieces9x6 - 54 pieces10x7 - 70 pieces12x8 - 96 pieces13x9 - 117 pieces15x10 - 150 pieces16x11 - 176 pieces18x12 - 216 pieces19x13 - 247 pieces21x14 - 294 pieces22x15 - 330 pieces24x16 - 384 pieces25x17 - 425 pieces27x18 - 486 pieces28x19 - 532 pieces30x20 - 600 pieces Start a new game Create a multiplayer game table

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