Here is the performance stats of the solution by Dalibor for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 8 2010 11:40PM | 2821 | 5 | 437 | 0.769 |
| 2 | Apr 9 2010 12:05AM | 2824 | 2 | 437 | 0.853 |
| 3 | Apr 9 2010 12:29AM | 2824 | 2 | 500 | 0.966 |
| 4 | Apr 9 2010 12:53AM | 2824 | 2 | 405 | 0.759 |
| 5 | Apr 9 2010 1:17AM | 2824 | 2 | 484 | 0.879 |