| When | User | Flag Type | Description |
|---|---|---|---|
| 2008-12-20 14:51:45 | Mona_Liza | Well Constructed | |
| 2010-11-18 07:19:29 | donkeykong | Well Constructed | |
| 2013-09-24 08:15:26 | hooiberg | Needs Fixing | please keep it in English. It is not my native language either... |
| 2014-11-03 14:46:26 | eurikano | Well Constructed | |
| 2015-06-26 00:16:48 | 12345678987654321 | Invalid | |
| 2015-10-26 17:51:37 | Lokoslav | Well Constructed | |
| 2016-04-04 23:05:55 | gomaster135 | Well Constructed | |
| 2017-04-29 12:42:01 | cngzz1 | Well Constructed | |
| 2019-01-02 07:12:52 | gojerry | Invalid | This is a nonsense problem! |
| 2023-10-04 00:49:18 | Goro1983 | Well Constructed |