| Clue | Source | Date |
|---|---|---|
| About 816, for the Oval Office | USA Today | 06 Nov 2024 |
| Apartment units | New York Times | 17 Feb 2024 |
| Apartment units | New York Times | 11 Sep 2020 |
| Note sum charged in unauthorised occupation of quantity of floor space | The Telegraph Cryptic | 29 Aug 2015 |
| Tiler's calculation |