unit 5, Tunnels online puzzle

3x3 - 9 pieces4x3 - 12 pieces6x5 - 30 pieces7x6 - 42 pieces10x8 - 80 pieces11x9 - 99 pieces12x10 - 120 pieces13x11 - 143 pieces16x13 - 208 pieces24x20 - 480 pieces Start a new game

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