History of question #214528
| When | Who | Action | New State |
|---|---|---|---|
| Ding Zhou | Answer | Answered | |
| Waluyo Adi Siswanto | Reopen | Open | |
| Ding Zhou | Answer | Answered | |
| Waluyo Adi Siswanto | Reopen | Open | |
| Ding Zhou | Answer | Answered | |
| Waluyo Adi Siswanto | Reopen | Open | |
| Waluyo Adi Siswanto | Give more information | Open | |
| Ding Zhou | Answer | Answered | |
| Ed Bakker | Comment | Answered | |
| Ed Bakker | Answer | Answered |
