History of question #676226
| When | Who | Action | New State |
|---|---|---|---|
| Qiji Xin | Give more information | Open | |
| Alexander Belyaev | Answer | Answered | |
| Qiji Xin | Reopen | Open | |
| Alexander Belyaev | Answer | Answered | |
| Qiji Xin | Reopen | Open | |
| Alexander Pukhov | Answer | Answered | |
| Alexander Pukhov | Answer | Answered | |
| Qiji Xin | Confirm | Solved |
