 
                            | Ch. | Who | Dave | Dean | Dhruv | RCS | ----------------------------Fred | |
|---|---|---|---|---|---|---|---|
| 7 | Dave | x | x | x | x | 
 | |
| 8 | Dave | x | x | x | x | 
 | |
| 9 | Dave | x | x | x | x | 
 | |
| 10 | free | x | x | x | x | 
 | |
| 11 | free | x | x | x | X | 
 | |
| 12 | free | 
 | 
 | 
 | x | 
 | |
| 13 | free | 
 | x | 
 | 
 | 
 | 
...
 
                            | Ch. | Who | Dave | Dean | Dhruv | RCS | ----------------------------Fred | |
|---|---|---|---|---|---|---|---|
| 7 | Dave | x | x | x | x | 
 | |
| 8 | Dave | x | x | x | x | 
 | |
| 9 | Dave | x | x | x | x | 
 | |
| 10 | free | x | x | x | x | 
 | |
| 11 | free | x | x | x | X | 
 | |
| 12 | free | 
 | 
 | 
 | x | 
 | |
| 13 | free | 
 | x | 
 | 
 | 
 | 
...