| B41 | B42 | B43 | B44 |
B41 | 1 | 3 | 4/5 | 7/2 |
B42 | 1/3 | 1 | 1/4 | 1/2 |
B43 | 5/4 | 4 | 1 | 3 |
B44 | 2/7 | 2 | 1/3 | 1 |