题干
观察下列各式：
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| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 1 |
| 1 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 1 |
| 3 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 3 |
| 2 |
| 1 |
| 4 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
请你根据上面三个等式提供的信息，猜想：
| 1 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 1 |
| 1 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 2 |
| 2 |
| 1 |
| 3 |
| 2 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 3 |
| 2 |
| 1 |
| 4 |
| 2 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
作中不需要做的是
