| x | 2 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 0 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 1 | ||||
| 1 | 2 | 1 | 2 | |||||||||||||||||||||
| + | 1 | 1 | 2 | 0 | 0 | 1 | 2 | 2 | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 1 | 0 | 1 | 2 | 1 | 2 | |||
| 2 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 0 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 1 | |||||
| 1 | 1 | 2 | 0 | 0 | 1 | 2 | 2 | 2 | 1 | 1 | 0 | 2 | 2 | 2 | 1 | 0 | 1 | 2 | 1 | 2 | ||||
| 2 | 1 | 0 | 0 | 0 | 2 | 2 | 2 | 2 | 0 | 1 | 2 | 2 | 2 | 2 | 0 | 0 | 2 | 2 | 1 | |||||
| 1 | 1 | 1 | 0 | 0 | 0 | 2 | 1 | 1 | 1 | 1 | 2 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 2 | 2 |