| When | User | Flag Type | Description |
|---|
| 2009-01-01 11:48:18 | DarkSycthe | Well Constructed | |
| 2012-08-26 23:46:53 | tomo24 | Well Constructed | |
| 2012-11-03 20:40:40 | ˜VŽq‚R‚W | Well Constructed | |
| 2013-06-18 16:27:05 | srki77 | Well Constructed | |
| 2013-09-03 01:01:13 | SoDesuKa | Well Constructed | |
| 2013-10-27 14:09:22 | lkkl15 | Well Constructed | |
| 2014-01-10 09:38:25 | Plucho | Well Constructed | |
| 2014-02-03 02:24:05 | Matrok | Well Constructed | |
| 2015-04-02 15:44:59 | fractalorange | Well Constructed | |
| 2015-06-01 06:19:52 | Siaubunas | Well Constructed | |
| 2015-09-04 19:52:36 | Albane | Well Constructed | |
| 2016-07-03 12:40:46 | 徐敬唐 | Invalid | 無解 |
| 2017-03-23 16:57:25 | gregdeon | Well Constructed | |
| 2019-04-20 16:05:17 | NickMel | Well Constructed | |
| 2020-05-12 10:58:18 | nanapyi | Well Constructed | |
| 2020-06-01 18:09:10 | Starline | Well Constructed | |