| Clue | Source | Date |
|---|---|---|
| Making level | New York Times | 08 Jan 2023 |
| Making straight | Wall Street Journal | 06 Nov 2021 |
| Making level, with 'up' | Premier Sunday | 30 Sep 2018 |
| Making symmetric | Newsday | 16 Jul 2016 |
| Making aligned | ||
| Setting straight or righting | ||
| Making even | ||
| Making exact. |