Here is the performance stats of the solution by Garadin for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 9 2010 12:03AM | 125153 | 0 | 21326 | 21.875 |
| 2 | Apr 9 2010 12:27AM | 125153 | 0 | 20171 | 20.730 |
| 3 | Apr 9 2010 12:52AM | 125153 | 0 | 20998 | 21.587 |
| 4 | Apr 9 2010 1:16AM | 125153 | 0 | 21232 | 21.890 |
| 5 | Apr 9 2010 1:40AM | 125153 | 0 | 21887 | 22.636 |