| When | User | Flag Type | Description |
|---|---|---|---|
| 2012-05-05 21:54:51 | ProN00B | Well Constructed | |
| 2015-10-22 20:58:39 | NeoNemesis | Invalid | this problem is pointless. |
| 2016-08-05 14:08:55 | goodnicegam | Invalid | not go problem |
| 2018-02-12 16:36:21 | Pierre92 | Invalid | We can't find the answer unless knowing the game... |
| 2021-12-27 12:16:16 | warlord | Invalid |