Pisan method online puzzle

4x7 - 28 pieces4x8 - 32 pieces5x9 - 45 pieces6x10 - 60 pieces6x11 - 66 pieces7x12 - 84 pieces7x13 - 91 pieces8x14 - 112 pieces9x15 - 135 pieces9x16 - 144 pieces10x17 - 170 pieces10x18 - 180 pieces11x19 - 209 pieces12x20 - 240 pieces12x21 - 252 pieces13x22 - 286 pieces13x23 - 299 pieces14x24 - 336 pieces15x25 - 375 pieces15x26 - 390 pieces16x27 - 432 pieces16x28 - 448 pieces17x29 - 493 pieces18x30 - 540 pieces18x31 - 558 pieces19x32 - 608 pieces19x33 - 627 pieces20x34 - 680 pieces21x35 - 735 pieces21x36 - 756 pieces22x37 - 814 pieces22x38 - 836 pieces23x39 - 897 pieces Start a new game Create a multiplayer game table

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