                  |
 Ecken diagonal tauschen SW-NO, negativ drehen SW - Kanten gerade tauschen OW  moving corners diagonal SW-NE, twisting negative SW - moving edges straight EW |
|
                                                 |
|
                           |
|
            |
|
      |
|
              |
|
                      |
| F U F' L² U² L² U L² U L² U' F U² F' U' (15,21) acube |
  |
|
  |
|
              |
| U' F U F' L² U² L² U L² U L² U' F U² F' (15,21) derived from acube |
 |
  |
|
 |
|
 |
|
 |
|
|