| 3 | 5 | 6 | 15 | 18 | 21 |
3 | 0 | 1 | 0 | 1 | 1 | 1 |
5 | 1 | 0 | 1 | 0 | 0 | 0 |
6 | 0 | 1 | 0 | 1 | 0 | 1 |
15 | 1 | 0 | 1 | 0 | 1 | 1 |
18 | 1 | 0 | 0 | 1 | 0 | 1 |
21 | 1 | 0 | 1 | 1 | 1 | 0 |