| When | User | Flag Type | Description |
|---|---|---|---|
| 2013-05-20 22:50:02 | komilatte | Well Constructed | |
| 2013-06-25 06:42:00 | Matrok | Well Constructed | |
| 2014-01-04 04:56:41 | Plucho | Well Constructed | |
| 2014-04-09 03:39:20 | mountain root | Well Constructed | |
| 2015-04-03 14:26:51 | zeroik | Well Constructed | |
| 2016-05-24 11:13:44 | 棋幻旋律 | Well Constructed | |
| 2019-08-02 23:07:29 | Starline | Well Constructed | |
| 2020-03-06 16:20:42 | DK2 | Well Constructed |