| x3(k) | x1(k + 1) |
| x1(k) | x3(k) | x2(k + 1) |
| x1(k) | x2(k) | x3(k + 1) |
| 0 | 0 |
| 0 | 0 | 0 |
| 0 | 0 | 1 |
| 1 | 1 |
| 0 | 1 | 0 |
| 0 | 1 | 0 |
|
|
|
| 1 | 0 | 1 |
| 1 | 0 | 1 |
|
|
|
| 1 | 1 | 0 |
| 1 | 1 | 1 |