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 Ecken regulär drehen OW, Kanten negativ tauschen N  twisting corners regular EW, moving edges negative N |
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| Ecken regulär drehen OW, Kanten negativ tauschen N twisting corners regular EW, moving edges negative N |
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| U B² R' F R² D R D R² B² R' F² L F R (15,20) |
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