| When | User | Flag Type | Description |
|---|---|---|---|
| 2010-01-19 20:12:53 | robinwu60 | Well Constructed | |
| 2013-07-08 12:41:18 | Matrok | Well Constructed | |
| 2014-01-26 14:44:09 | Plucho | Well Constructed | |
| 2014-03-27 17:11:12 | mountain root | Well Constructed | |
| 2016-05-22 07:07:12 | 棋幻旋律 | Well Constructed |