| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 27th of Dec 2009 | 12th of Apr 2020 | very hard | 16:58 |
| 20th of Dec 2009 | 27th of Oct 2020 | very hard | 21:48 |
| 20th of Dec 2009 | 27th of May 2021 | very hard | 20:07 |
| 14th of Dec 2009 | 14th of Jan 2021 | very hard | 19:29 |
| 12th of Oct 2009 | 30th of Apr 2021 | very hard | 17:06 |
| 2nd of Oct 2009 | 11th of May 2020 | very hard | 19:47 |
| 16th of Sep 2009 | 24th of Feb 2021 | very hard | 27:43 |
| 14th of Sep 2009 | 30th of Jul 2020 | hard | 17:09 |