History of question #681232
| When | Who | Action | New State |
|---|---|---|---|
| Jan Stránský | Answer | Answered | |
| gaoxuesong | Comment | Answered | |
| Jan Stránský | Comment | Answered | |
| gaoxuesong | Comment | Answered | |
| Bruno Chareyre | Answer | Answered | |
| Jan Stránský | Request for more information | Answered | |
| gaoxuesong | Comment | Answered | |
| Jan Stránský | Comment | Answered | |
| gaoxuesong | Confirm | Solved |
