| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-09-14 10:19:58 | Modoc | Well Constructed | |
| 2013-04-09 11:33:18 | Isildur | Well Constructed | |
| 2013-10-20 03:36:51 | magcup8 | Well Constructed | |
| 2014-03-06 02:27:23 | CoolSmurf | Well Constructed | |
| 2014-06-25 01:19:15 | Micro102 | Well Constructed | |
| 2014-08-07 19:06:38 | mountain root | Well Constructed | |
| 2014-10-23 00:42:14 | tbernste | Invalid | excludes many solutions |
| 2016-03-24 11:42:43 | hooibergje | Invalid | After connecting black E5 and white D3, black A3 is wrong, which is a bit weird. |
| 2017-06-01 11:50:51 | Thumb | Well Constructed | |
| 2018-07-16 17:10:42 | Yi-Fu Liou | Well Constructed | |
| 2018-11-08 20:15:53 | G1weist | Well Constructed |