| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 10th of Apr 2013 | 9th of Jun 2020 | medium | 16:48 |
| 10th of Apr 2013 | 24th of Dec 2020 | hard | 17:25 |
| 28th of Mar 2013 | 30th of May 2021 | very hard | 18:05 |
| 13th of Feb 2013 | 11th of Jan 2021 | very hard | 16:54 |
| 11th of Feb 2013 | 26th of Mar 2021 | very hard | 20:35 |