| When | User | Flag Type | Description |
|---|---|---|---|
| 2011-09-18 07:44:08 | DarkSycthe | Well Constructed | |
| 2013-06-05 21:25:16 | MoreKnock | Needs Fixing | incorrect refutation in one of the paths |
| 2013-09-22 03:43:00 | QuantumKarl | Well Constructed | |
| 2014-01-23 07:16:30 | Plucho | Well Constructed | |
| 2016-04-12 09:07:11 | Jon Ingram | Well Constructed | |
| 2016-10-06 05:42:45 | Sollies | Well Constructed | |
| 2017-08-09 13:05:56 | jeffacce | Well Constructed | |
| 2018-12-30 07:31:03 | Asirkman | Well Constructed |