Design and Copyright : Oleg Smol'yakov (2019).
A B C D E F G H I J K L M N O P Q |
Pieces | 17 | A-D, E-H, I-L, M-P are congruent. |
Selection | quad pair | |
Goal | 6×6×6 | |
Holes | 0 | |
Solutions | 2 | |
Solutions | 22 | without Q, inside 8 holes. All solutions are able to include |
Solutions | 257 | use Q R as ×2 |