| When | User | Flag Type | Description |
|---|---|---|---|
| 2013-04-11 20:11:21 | rillig | Well Constructed | |
| 2013-06-25 08:11:12 | Matrok | Well Constructed | |
| 2014-04-26 11:53:54 | raimox | Well Constructed | |
| 2014-06-05 18:13:19 | mountain root | Well Constructed | |
| 2016-05-26 13:59:58 | 棋幻旋律 | Well Constructed | |
| 2017-07-14 17:53:51 | mugsan3 | Well Constructed | |
| 2017-10-28 02:21:04 | Onishi T | Well Constructed | |
| 2019-03-16 16:36:47 | Premian | Well Constructed |