| Clue | Source | Date |
|---|---|---|
| Do an impossible geometry feat | Wall Street Journal | 04 Jun 2024 |
| Give boring fuddy-duddy article on group that will attempt the impossible | ||
| It's impossible to do Conservative parked on single yellow line | The Telegraph Toughie | 24 Feb 2023 |
| Do the impossible: bribe a specific group | The Times Cryptic | 26 Apr 2016 |
| Impossible task | ||
| Do the impossible | ||
| Impossible math instruction | ||
| Math professor's "impossible" command | ||
| An instruction impossible to fulfill | ||
| Accomplish the impossible | ||
| Try a mission impossible. |