| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 5th of Feb 2011 | 19th of Sep 2020 | very hard | 63:05 |
| 4th of Feb 2011 | 18th of Nov 2020 | very hard | 43:20 |
| 4th of Feb 2011 | 24th of Sep 2020 | very hard | 40:52 |
| 3rd of Feb 2011 | 24th of Sep 2020 | very hard | 39:09 |
| 16th of Oct 2010 | 9th of Jul 2021 | medium | 43:39 |
| 15th of Oct 2010 | 30th of Jan 2021 | medium | 24:15 |