| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 17th of Sep 2009 | 6th of Aug 2012 | very hard | 10:52 |
| 17th of Sep 2009 | 11th of Oct 2012 | very hard | 10:47 |
| 17th of Sep 2009 | 2nd of Oct 2012 | very hard | 13:49 |
| 17th of Sep 2009 | 16th of Nov 2013 | very hard | 9:54 |
| 17th of Sep 2009 | 12th of Dec 2013 | very hard | 9:46 |
