| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 22nd of Dec 2010 | 18th of Oct 2012 | medium | 5:15 |
| 5th of Dec 2010 | 1st of Oct 2012 | medium | 2:34 |
| 20th of Nov 2010 | 16th of Sep 2012 | hard | 4:10 |
| 13th of Nov 2010 | 9th of Sep 2012 | very hard | 4:33 |
| 15th of Jan 2010 | 16th of Oct 2011 | very hard | 5:42 |