Here is the performance stats of the solution by ksuchlicki for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 8 2010 11:55PM | 2933 | 0 | 2262 | 2.902 |
| 2 | Apr 9 2010 12:20AM | 2936 | 0 | 2324 | 3.029 |
| 3 | Apr 9 2010 12:44AM | 2934 | 0 | 2230 | 2.884 |
| 4 | Apr 9 2010 1:08AM | 2934 | 0 | 2106 | 2.798 |
| 5 | Apr 9 2010 1:32AM | 2939 | 0 | 2215 | 2.928 |