Echidna-1 online puzzle

6x4 - 24 pieces8x5 - 40 pieces9x6 - 54 pieces11x7 - 77 pieces13x8 - 104 pieces14x9 - 126 pieces16x10 - 160 pieces18x11 - 198 pieces19x12 - 228 pieces21x13 - 273 pieces22x14 - 308 pieces24x15 - 360 pieces26x16 - 416 pieces27x17 - 459 pieces29x18 - 522 pieces Start a new game Create a multiplayer game table

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