Design and Copyright : 石野恵一郎 (ISHINO Keiichiro) (2007).
☞ 6+6=CUBE
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| Pieces | 12 | K-L are congruent. |
| Selection | random notchable | |
| Length | 6 | |
| Goal | 6×6×6 | |
| Holes | 8 | |
| Solutions | 397 | |
| 2 | without notches on the face | |
| Goal | 6 Piece Burr ×1 | |
| Holes | 0 | |
| Solutions | 13 / 13 | |
| Goal | 6 Piece Burr ×2 | |
| Holes | 0 | |
| Solutions | 1 / 1 |