| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 9th of Dec 2009 | 19th of Jul 2020 | very hard | 23:27 |
| 7th of Nov 2009 | 5th of Jul 2020 | very hard | 18:29 |
| 31st of Oct 2009 | 15th of Apr 2021 | very hard | 22:53 |
| 25th of Oct 2009 | 18th of Feb 2021 | very hard | 19:08 |
| 25th of Sep 2009 | 3rd of Apr 2021 | very hard | 44:11 |