Birthday present online puzzle

5x4 - 20 pieces6x5 - 30 pieces7x6 - 42 pieces9x7 - 63 pieces10x8 - 80 pieces11x9 - 99 pieces12x10 - 120 pieces14x11 - 154 pieces15x12 - 180 pieces16x13 - 208 pieces18x14 - 252 pieces19x15 - 285 pieces20x16 - 320 pieces22x17 - 374 pieces23x18 - 414 pieces24x19 - 456 pieces25x20 - 500 pieces27x21 - 567 pieces28x22 - 616 pieces29x23 - 667 pieces Start a new game Create a multiplayer game table

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