| When | User | Flag Type | Description |
|---|---|---|---|
| 2016-05-19 13:20:44 | alkexr | Well Constructed | |
| 2016-05-22 13:23:22 | 棋幻旋律 | Well Constructed | |
| 2016-06-29 09:43:47 | Korvin | Well Constructed | |
| 2017-05-26 06:15:31 | raimox | Well Constructed | |
| 2017-10-21 15:30:29 | mdp05mimura | Well Constructed | |
| 2017-11-04 01:16:42 | Onishi T | Well Constructed |