| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | exactly the same problem | 15 |
|
| 2 | exactly the same problem | 15 |
|
| 3 | exactly the same problem | 15 |
|
| 4 | exactly the same problem | 9 |
|
| 5 | exactly the same problems | 6 |
|
