| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at the same level [prep] | 24 |
|
| 2 | at the same level [prep] | 24 |
|
| 3 | at the same level [prep] | 24 |
|
| 4 | at the same level of | 12 |
|
| 5 | at the same level of | 12 |
|
