| x | 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | . | 1 | 1 | 0 | 1 | 0 | ||||||||
| 1 | 0 | . | 1 | 1 | 1 | 1 | 0 | |||||||||||||||||
| + | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||
| 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | ||||||||||
| 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | ||||||||||
| 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | ||||||||||
| 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | ||||||||||
| 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | ||||||||||
| 0 | 1 | 0 | 1 | 1 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 1 | 0 | ||||||||||
| 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 1. | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 |