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White nylon plastic with a matte finish and slight grainy feel.
Black nylon plastic with a matte finish and slight grainy feel.
This is the Untouchable 11 Master Challenge. The goal is to put these 11 hexominos within the board so that no two touch each other even at a corner. It has 2 solutions.
A playable app of this puzzle is now available here.
You can play the original Untouchable 11 puzzle here. The hardest version of that puzzle has 7 solutions.
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