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| Pentominos home · Puzzle 5x9 · Solution 660 and related solutions | ||||
| 660 | | 657 8 | | T2:PUVZ |
| 660 | | 658 9 | | Rx:PUVZ |
| 660 | | 659 8 | | Ry:PUVZ |
| 660 | | 676 5 | | Ar:LPUZ |
| 660 | | 702 10 | | Ex:LPTU|LNPU |
| 660 | | 2648 10 | | Ra:FILTY |
| 660 | | 2674 8 | | T1:FILTY |
| 660 | | 2701 9 | | Ry:FLTY |
| 660 | | 4170 7 | | Ry:FILTY |