| Solved date | Sudoku of | Level | your time |
|---|---|---|---|
| 29th of Jan 2010 | 3rd of Jan 2013 | very hard | 8:16 |
| 23rd of Jan 2010 | 7th of Feb 2013 | very hard | 15:31 |
| 18th of Jan 2010 | 22nd of Sep 2012 | very hard | 12:21 |
| 14th of Jan 2010 | 2nd of Oct 2012 | very hard | 23:02 |
| 14th of Jan 2010 | 16th of May 2013 | very hard | 20:43 |
| 11th of Jan 2010 | 26th of Jul 2013 | very hard | 9:41 |
| 10th of Jan 2010 | 17th of Sep 2013 | very hard | 16:00 |
| 9th of Jan 2010 | 13th of Oct 2012 | very hard | 9:16 |
| 7th of Jan 2010 | 2nd of Apr 2013 | very hard | 8:14 |
| 7th of Jan 2010 | 10th of Dec 2013 | very hard | 22:43 |
| 6th of Jan 2010 | 31st of Aug 2012 | very hard | 12:20 |
| 6th of Jan 2010 | 6th of Sep 2012 | very hard | 13:13 |
