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2

This (and many many other permutation puzzles) is easy to solve once you understand how to use commutators and conjugates. In this case, we need only 1 setup move and a 8-move commutator (2 of which are slice turns), which amount to 10 moves under slice-turn metric and 12 under face-turn metric:   F ( U' M2 U ) R ( U' M2 U ) R' F'. (The commutator is the ...


4

I agree with Gareth McCaughan's comment that it is unclear that such rope-type of disentanglement puzzles actually have names, because they are simply too common and too varied. I finally found an isomorphic version with the product name "Family Games Flabber Floovers Brain Teaser Puzzle (Gripper)", but I do not believe that the puzzle's original ...


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