| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-09-14 11:15:05 | Modoc | Well Constructed | |
| 2009-11-13 13:01:47 | Warbler | Well Constructed | |
| 2013-11-22 04:38:52 | CoolSmurf | Well Constructed | |
| 2013-12-25 07:31:05 | Plucho | Well Constructed | |
| 2014-02-21 03:54:42 | giulio.quaresima | Well Constructed | |
| 2014-07-02 14:18:08 | Avatar ZW | Well Constructed | |
| 2014-08-04 03:06:42 | mountain root | Well Constructed | |
| 2014-09-18 05:21:47 | utku | Well Constructed | |
| 2016-12-11 21:39:14 | tamingo | Well Constructed | |
| 2017-01-02 17:53:19 | Epiphany123 | Invalid | Too intricate to be a valid 11k level problem |