Design and Copyright : 山本長徳 (Osanori Yamamoto) (2010).
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| Pieces | 4 +frame | A-B, C-D are congruent. |
| Selection | mirror pair | |
| Length | 5 | |
| Goal | 5×5×5 | |
| Holes | 15 | |
| Solutions | 2 / 4 | |
| Moves | 9.2.5 | Rotation required. |

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| Pieces | 4 +frame | All pieces are congruent. |
| Selection | identical | |
| Length | 5 | |
| Goal | 5×5×5 | |
| Holes | 21 | |
| Solutions | 1 / 1 | |
| Moves | 9.2.5 | Rotation required. |