| Id | Title | Author | Difficulty | Liked / Disliked |
|---|
Rank: 15590 / 182817
| 18 | 19 | 23 | 24 | 26 | 27 | 39 | 40 |
| 41 | 44 | 45 | 46 | 52 |
If the user submitted a minimum-length solution for this puzzle, the puzzle is shown in bold.
©2009 Igor Ostrovsky and other contributors. Terms of use