History of question #699347
| When | Who | Action | New State |
|---|---|---|---|
| Jan Stránský | Answer | Answered | |
| Zhicheng Gao | Comment | Answered | |
| Zhicheng Gao | Reopen | Open | |
| Jan Stránský | Answer | Answered | |
| Zhicheng Gao | Reopen | Open | |
| Jan Stránský | Request for more information | Needs information | |
| Zhicheng Gao | Confirm | Solved |
