| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-05-10 13:54:32 | kingju | Well Constructed | |
| 2012-08-12 01:34:47 | mGalahad | Well Constructed | |
| 2012-08-25 04:33:24 | LudoP12 | Well Constructed | |
| 2012-11-26 15:46:14 | BobTheJoe | Well Constructed | |
| 2013-07-01 23:45:24 | gopan | Well Constructed | |
| 2013-12-24 00:51:23 | giulio.quaresima | Well Constructed | |
| 2014-06-25 04:03:42 | Äksy | Well Constructed | |
| 2014-10-24 17:20:17 | Ocarina | Well Constructed | |
| 2014-11-06 15:20:17 | eurikano | Well Constructed | |
| 2015-08-12 13:28:28 | MathieuLY | Well Constructed | |
| 2015-11-16 05:24:46 | Honest | Well Constructed | |
| 2016-01-01 19:15:28 | Andryyo | Well Constructed | |
| 2016-01-02 17:39:24 | jcdyer | Needs Fixing | Confusing without showing corners |
| 2016-09-06 02:11:58 | NSEnigma | Well Constructed | |
| 2018-01-04 17:49:57 | Lee Jung | Well Constructed | |
| 2018-11-19 20:20:22 | G1weist | Well Constructed | |
| 2022-03-10 18:02:29 | Devlin | Well Constructed | |
| 2023-04-24 12:39:12 | Zicandar | Well Constructed |