Here is the performance stats of the solution by leszek_g for TSQL Challenge22.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Jun 7 2010 11:00PM | 1262024 | 147 | 31731 | 31.883 |
| 2 | Jun 7 2010 11:40PM | 1262032 | 147 | 31934 | 32.154 |
| 3 | Jun 8 2010 12:20AM | 1262032 | 147 | 31496 | 31.775 |
| 4 | Jun 8 2010 1:00AM | 1262012 | 203 | 31559 | 31.947 |
| 5 | Jun 8 2010 1:40AM | 1262032 | 147 | 31075 | 31.523 |