| C31 | C32 | C33 | C34 |
C31 | 1 | 3 | 2 | 3 |
C32 | 1/3 | 1 | 1 | 2 |
C33 | 1/2 | 1 | 1 | 2 |
C34 | 1/3 | 1/2 | 1/2 | 1 |