| When | User | Flag Type | Description |
|---|---|---|---|
| 2009-07-14 11:27:29 | Tom/beta | Well Constructed | |
| 2009-08-28 16:30:42 | flam | Needs Fixing | no answer to B L19 |
| 2010-02-27 17:46:59 | kazuhiro | Well Constructed | |
| 2014-09-17 13:24:43 | utku | Well Constructed | |
| 2014-12-18 10:00:20 | DI_Wolfgang | Needs Fixing | The instruction is very unclear which group is meant to be saved |
| 2015-06-03 15:44:42 | Siaubunas | Well Constructed | |
| 2016-02-05 16:07:45 | sergigo | Well Constructed | |
| 2018-12-12 16:23:49 | bjijers | Well Constructed | |
| 2019-01-08 19:14:45 | arbitrageftw | Well Constructed | |
| 2019-09-02 16:05:01 | Starline | Well Constructed | |
| 2022-03-14 21:30:38 | yank | Well Constructed |