Design and Copyright : Frederic Boucher (2020).
TENCHI is a Japanese word that we could translate by SKY=TEN and LAND=CHI.
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| Pieces | 9 + frame | C-D are congruent. |
| Selection | random | |
| Goal | 6×6×3 | |
| Holes | 1 | |
| Solutions | 1 / 4,467 | Anti-slide for up and down direction. |
| Moves | 2.2.1.1.1.2 | Gravity required. |