| When | User | Flag Type | Description |
|---|
| 2012-12-19 06:58:21 | Thumb | Needs Fixing | many more variations lead to seki |
| 2013-05-24 09:45:13 | Sampi | Needs Fixing | 90% of the variations are missing |
| 2013-09-28 18:56:34 | nicorette | Needs Fixing | |
| 2014-08-27 07:36:33 | Arhiman | Needs Fixing | Incorrect variation clearly correct |
| 2015-03-21 15:28:13 | briv | Invalid | no instruction and wrong answer |
| 2016-04-27 11:49:18 | ã¨ã†ã¾ | Invalid | 失題 |
| 2016-07-29 23:52:12 | bacteria | Needs Fixing | . |
| 2018-01-02 19:08:12 | gomaster135 | Invalid | right answer is same as wrong answer.... |