Here is the performance stats of the solution by ErikEckhardt for TSQL Challenge18.
| Attempt | Start Time | Reads | Writes | CPU | Duration (Sec) |
| 1 | Apr 8 2010 11:47PM | 132 | 0 | 140 | 0.989 |
| 2 | Apr 9 2010 12:12AM | 125 | 0 | 203 | 0.883 |
| 3 | Apr 9 2010 12:36AM | 125 | 0 | 218 | 1.028 |
| 4 | Apr 9 2010 1:00AM | 125 | 0 | 140 | 1.036 |
| 5 | Apr 9 2010 1:24AM | 125 | 0 | 110 | 0.959 |