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| Pentominos home · Puzzle 3x15 · Solution 21 and related solutions | ||||
| 21 | | 12 9 | | T2:FINPUV |
| 21 | | 15 9 | | Ry:FINPUV |
| 21 | | 18 9 | | Rx:FINPV |
| 21 | | 20 5 | | Ex:FPU|FPZ |
| 21 | | 22 7 | | Ex:FINP|FIPZ |
| 21 | | 23 6 | | Ex:FINP|IPXZ |
| 21 | | 24 7 | | Ex:INPV|IPVZ |
| 21 | | 35 5 | | T2:NTVY |
| 21 | | 122 7 | | Ry:LTY |