History of question #228535
| When | Who | Action | New State |
|---|---|---|---|
| Didier Barvaux | Answer | Answered | |
| Wei Wang | Reopen | Open | |
| Wei Wang | Give more information | Open | |
| Didier Barvaux | Answer | Answered | |
| Wei Wang | Reopen | Open | |
| Wei Wang | Give more information | Open | |
| Didier Barvaux | Answer | Answered | |
| Wei Wang | Confirm | Solved |
