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 Ecken negativ drehen NW, Kanten positiv tauschen N  twisting corners negative NW, moving edges positive N |
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| Ecken negativ drehen NW, Kanten positiv tauschen N twisting corners negative NW, moving edges positive N |
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| U F R² B² R² F² R D² L D² R' FB²' (12,20) |
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