| Factors | T11 | T12 | T21 | T22 | T23 | T3 | T4 |
| T11 | 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| T12 | 1 | 1 | 0 | 1 | 1 | 0 | 0 |
| T21 | 1 | 1 | 1 | 1 | 0 | 1 | 1 |
| T22 | 0 | 0 | 1 | 1 | 0 | 1 | 0 |
| T23 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |
| T3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
| T4 | 0 | 0 | 0 | 0 | 1 | 0 | 1 |