The Group D2d (edge) |
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Up to M-symmetry there are 1472 cubes which exactly have the symmetries of this subgroup. There are 17 cubes up to M-symmetry which need 20 moves, 5 cubes of them also have antisymmetry. All other cubes can be solved within 19 moves or less. Some examples are listed below. The table gives the number of cubes up to M-symmetry which exactly have D2d (edge)-symmetry, the average maneuver length is 16.58:
If you are interested in a list of all optimal maneuvers, they are included in the file D2de.zip. The eleven 20f*-maneuvers up to M-symmetry and M-antisymmetry also are included in the file 20moves.zip. |
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© 2017 Herbert Kociemba |