| When | User | Flag Type | Description |
|---|---|---|---|
| 2013-02-26 17:21:23 | eddiewouldgo | Well Constructed | |
| 2013-11-17 12:05:23 | CoolSmurf | Well Constructed | |
| 2014-11-05 16:18:23 | eurikano | Well Constructed | |
| 2015-04-03 21:40:30 | Veral42 | Invalid | H1 saves, marked wrong due to "obviousness", invalid problem requires removal |
| 2016-04-04 23:13:19 | gomaster135 | Well Constructed |