Design and Copyright : Oleg Smol'yakov (2020).
A B C D E F G H I J K L M N O P Q R |
Pieces | 18 | A-F, G-L, M-O, P-R are congruent. |
Selection | triple | |
Goal | 9×9 | |
Holes | 0 | |
Solutions | 1 |
A B C D E F G H I J K L M N O P Q R |
Pieces | 18 | A-F, G-L, M-O, P-R are congruent. |
Selection | triple | |
Goal | 9×9 | |
Holes | 0 | |
Solutions | 1 |