| When | User | Flag Type | Description |
|---|---|---|---|
| 2011-10-25 19:58:44 | yuguri | Well Constructed | |
| 2012-07-09 08:03:20 | Ab_shcherbakov | Needs Fixing | right answer is highlighted. wrong answers is not avaliable to place. |
| 2012-09-16 15:26:58 | NotDomo | Well Constructed | |
| 2012-12-06 20:40:41 | neptix | Needs Fixing | can't place a stone |