              |           |           |           |       |
|   0   1   1   |     0     |     0     |     1     |   1   |
|               |           |           |           |       |
|   1   0   0   |     0     |     0     |     0     |   0   |
|               |           |           |           |       |
|   1   0   1   |     0     |     1     |     0     |   1   |
|               |           |           |           |       |
|   1   1   0   |     1     |     0     |     0     |   1   |
|               | 