|
| a | b | c | d | e | f |
| 1 | 0 | 0 | 0 | 1 | 1 | 0 |
| 2 | 1 | 1 | 0 | 0 | 0 | 0 |
| 3 | 1 | 1 | 1 | 0 | 0 | 1 |
| 4 | 0 | 0 | 0 | 0 | 1 | 0 |
| 5 | 0 | 0 | 1 | 1 | 0 | 0 |