five number online puzzle

3x3 - 9 pieces5x6 - 30 pieces6x6 - 36 pieces7x7 - 49 pieces8x9 - 72 pieces9x9 - 81 pieces9x10 - 90 pieces10x10 - 100 pieces11x11 - 121 pieces12x12 - 144 pieces14x14 - 196 pieces22x23 - 506 pieces Start a new game

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72

4