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The Group O |
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There are four cubes, which exactly have all possible symmetries of the cube, one of them - the Superflip - needs 20 moves to be generated. Historically this was the first cube which was proven to need 20 moves, and this is still the best lower bound for the diameter of the cube group. The next quite trivial table gives the number of cubes up to M-symmetry
which exactly have O
The maneuver for the Superflip also is included in the file 20moves.zip. |
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Cube display with AnimCubeJS |
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© 2017 |