| When | User | Flag Type | Description |
|---|---|---|---|
| 2010-07-27 03:23:29 | Nickj | Needs Fixing | See comments |
| 2012-08-12 08:01:48 | Ab_shcherbakov | Needs Fixing | Cut place does not marked |
| 2013-03-30 23:36:26 | hooiberg | Needs Fixing | There is no triangled black stone, mentioned in the exercise |