Analysis and Copyright : ISHINO Keiichiro (2005).
| Piece# | Shape | × | Sols | Sols (inside holes) | Remark | |
|---|---|---|---|---|---|---|
| 2 | OOOO O... |
12 | 5,154 | 16 | ||
| 3 | OOOO .O.. |
12 | 14,225 | 46 | ||
| 4 | OOO OO. |
12 | 17,660,562 | 1,559 | ||
| 5 | OOO O.O |
12 | 198 | 0 | ||
| 6 | OOO O.. O.. |
12 | 106 | 0 | ||
| 7 | OOO .O. .O. |
12 | 5 | 0 | ||
| 8 | OOO. ..OO |
12 | 807 | 7 | ||
| 9 | OO. .OO .O. |
11 | 1 | 11 F-Pentominoes | ||
| 10 | OO. .OO ..O |
11 | 753 | |||
| 11 | OO. .O. .OO |
11 | 4 | |||
| 12 | .O. OOO .O. |
8 | 8 | |||
| 13 | OOO O.. O.. ... |
12 | 1,071 | 1 | ||
| 14 | 17 | OOO .O. O.. ... |
12 | 352 | 1 | |
| 15 | 20 | OOO ..O O.. ... |
12 | 8 | 0 | |
| 16 | 21 | OOO ... O.. O.. |
12 | 1,531 | 1 | |
| 18 | OOO .O. .O. ... |
11 | 88 | |||
| 19 | OOO ... .O. .O. |
11 | 772 | |||
| 22 | OO O. OO .. |
12 | 6,182,753 | 833 | ||
| 23 | 25 | OO. .OO O.. ... |
12 | 117 | 0 | |
| 24 | OO .O O. O. |
11 | 20,000 | |||
| 26 | 27 | OO. .O. .OO ... |
11 | 1,944 | ||
| 28 | 29 | OO. ... .O. .OO |
10 | 25 | ||