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11
| Pentominos home · Puzzle 5x9 · Solution 1981 and related solutions | ||||
| 1981 | | 1169 16 | | Rx:FLUY |
| 1981 | | 1179 19 | | T2:FLUY |
| 1981 | | 1514 17 | | Ex:FPUW|FNUW |
| 1981 | | 1515 12 | | Ex:FPUW|NPUZ |
| 1981 | | 1744 10 | | Ex:FLPU|FLNP |
| 1981 | | 1970 17 | | Ar:FLY |
| 1981 | | 1971 15 | | Ex:FLPY|LNPY |
| 1981 | | 1979 11 | | T2:PTVW |
| 1981 | | 1980 16 | | Rx:PW |
| 1981 | | 1982 12 | | Ex:FLP|LNZ |
| 1981 | | 1983 16 | | Rx:PTVW |
| 1981 | | 1984 16 | | Rx:TV |
| 1981 | | 1986 11 | | Ry:PTVW |
| 1981 | | 2370 13 | | Ry:FLUY |
| 1981 | | 2517 16 | | Rd:FUY |
| 1981 | | 3807 11 | | Ra:IPTVW |