History of question #267763
| When | Who | Action | New State |
|---|---|---|---|
| Stephen Tiedemann | Answer | Answered | |
| fengzhiquan | Reopen | Open | |
| Stephen Tiedemann | Answer | Answered | |
| fengzhiquan | Comment | Answered | |
| Stephen Tiedemann | Answer | Answered | |
| Stephen Tiedemann | Answer | Answered | |
| fengzhiquan | Confirm | Solved |
