| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-07-09 20:35:53 | Cei | Well Constructed | |
| 2010-03-05 08:28:48 | SeerRus | Well Constructed | |
| 2012-06-08 02:13:19 | boltathor | Needs Fixing | More than 1 solution |
| 2012-09-15 03:05:51 | Akkaron | Well Constructed | |
| 2013-03-12 18:21:28 | enigm4 | Well Constructed | |
| 2013-04-28 05:31:57 | draq | Needs Fixing | k3 is also a valid solution |
| 2013-11-07 14:09:28 | Plokijuh | Well Constructed | |
| 2013-12-03 12:11:16 | Plucho | Well Constructed | |
| 2014-10-30 14:38:53 | eurikano | Well Constructed | |
| 2014-11-21 04:39:35 | mountain root | Well Constructed | |
| 2016-04-12 11:08:47 | Antitheus | Well Constructed | |
| 2016-06-29 09:06:43 | aCCQCCQ | Well Constructed | |
| 2016-11-05 06:54:27 | Sollies | Well Constructed | |
| 2020-05-05 20:38:32 | Syfogidas | Well Constructed |