| A | B | C | D | E | F |
4 | - | - | - | 1 | 1/2 | 1/2/3 |
3 | - | 1 | - | 1/2/3 | 1/2/3 | 1/2 |
2 | 1 | 1 | - | - | - | 1/2/3 |
1 | - | 1 | 1 | - | 1/2/3 | - |