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| Pentominos home · Puzzle 4x10 · Solution 1661 and related solutions | ||||
| 1661 | | 223 7 | | Ex:FLUV|FLTU |
| 1661 | | 1386 8 | | Ex:FLUV|FLTU |
| 1661 | | 1657 10 | | Ex:FIW|FTW |
| 1661 | | 1658 15 | | Ex:FPWY|FPTY |
| 1661 | | 1660 7 | | Ry:PW |
| 1661 | | 1662 7 | | Rd:PY |
| 1661 | | 1669 14 | | Ex:FPWY|NPTY |
| 1661 | | 1743 9 | | Ex:FUV|UXZ |