| When | User | Flag Type | Description |
|---|---|---|---|
| 2013-02-21 20:56:05 | OkGo! | Needs Fixing | Alternate Solution Valid |
| 2013-08-11 01:12:03 | daxiao | Well Constructed | |
| 2014-09-02 13:09:00 | utku | Well Constructed | |
| 2014-11-04 22:17:24 | eurikano | Well Constructed | |
| 2015-04-02 15:26:12 | fractalorange | Well Constructed | |
| 2015-05-01 21:18:17 | Aruta | Well Constructed | |
| 2019-01-30 22:07:34 | arbitrageftw | Well Constructed |