History of question #228815
| When | Who | Action | New State |
|---|---|---|---|
| Aaron Rosen | Answer | Answered | |
| li,chen | Reopen | Open | |
| Aaron Rosen | Answer | Answered | |
| li,chen | Reopen | Open | |
| Aaron Rosen | Answer | Answered | |
| li,chen | Reopen | Open | |
| Aaron Rosen | Answer | Answered | |
| li,chen | Confirm | Solved | |
| li,chen | Confirm | Solved |
