| When | User | Flag Type | Description |
|---|---|---|---|
| 2014-06-06 01:51:39 | mountain root | Well Constructed | |
| 2016-01-21 20:14:56 | Matrok | Needs Fixing | see comments |
| 2016-03-15 13:11:29 | Thumb | Well Constructed | |
| 2016-04-09 22:22:34 | gomaster135 | Well Constructed | |
| 2020-10-02 18:11:52 | Shamango | Needs Fixing | look my solution |
| 2023-09-19 14:54:59 | ranka | Well Constructed |