| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 20th of Dec 2011 | 13th of May 2020 | hard | 20:44 |
| 19th of Dec 2011 | 25th of Sep 2021 | hard | 20:48 |
| 16th of Dec 2011 | 12th of May 2020 | very hard | 21:27 |
| 16th of Dec 2011 | 23rd of Sep 2020 | hard | 17:45 |
| 29th of Sep 2011 | 17th of Jun 2020 | very hard | 31:04 |
| 19th of Sep 2011 | 18th of Jun 2020 | very hard | 29:14 |
| 29th of Aug 2011 | 1st of Nov 2020 | very hard | 22:48 |
| 25th of Aug 2011 | 26th of Jul 2020 | hard | 20:28 |
| 23rd of Aug 2011 | 4th of Aug 2021 | easy | 32:26 |