| When | User | Flag Type | Description |
|---|---|---|---|
| 2010-08-01 18:02:33 | enigm4 | Well Constructed | |
| 2012-07-11 19:03:21 | GoJohnGo | Needs Fixing | Missing variation in a solution path. |
| 2014-08-04 06:16:24 | mountain root | Well Constructed | |
| 2015-04-07 09:51:59 | kbk | Needs Fixing | |
| 2016-03-29 14:51:49 | gomaster135 | Well Constructed | |
| 2018-11-13 19:32:11 | morvan01 | Well Constructed | |
| 2022-02-28 15:08:51 | c-aries | Well Constructed |