| When | User | Flag Type | Description |
|---|---|---|---|
| 2017-08-27 00:06:01 | Onishi T | Needs Fixing | |
| 2017-10-25 15:14:25 | jga | Needs Fixing | explanation needed |
| 2018-01-05 13:50:54 | ranka | Needs Fixing | |
| 2020-09-16 16:05:39 | davidgoto | Invalid | The source states "Of course, there are a number of other possible pincers". |