| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 27th of Dec 2009 | 16th of Dec 2019 | very hard | 16:58 |
| 20th of Dec 2009 | 13th of Apr 2020 | very hard | 21:48 |
| 20th of Dec 2009 | 4th of Jan 2020 | very hard | 20:07 |
| 14th of Dec 2009 | 22nd of Jan 2020 | very hard | 19:29 |
| 12th of Oct 2009 | 14th of May 2019 | very hard | 17:06 |
| 2nd of Oct 2009 | 16th of Apr 2020 | very hard | 19:47 |
| 16th of Sep 2009 | 18th of Sep 2020 | very hard | 27:43 |
| 14th of Sep 2009 | 12th of Jul 2019 | hard | 17:09 |