| 0 0 | 1 1 | 0 0 | 0 0 |
| 1 1 | 2 2 | 0 0 | 0 0 |
| 2 2 | 3 3 | 1 1 | 1 1 |
| | 0 0 | | |
| 0 0 | | | |
| | | 0 0 | 0 0 |