PROOF
Set to 9 different clues across 9 published puzzles, most often “90 is a pretty high one” — The New York Times, Wednesday, 10 August 2011.
5 letters
Every clue on record, most used first
- 90 is a pretty high oneonce
The New York Times — Wednesday, 10 August 2011
- 86 is a high oneonce
The New York Times — Wednesday, 24 August 2005
- 90 is a high oneonce
The New York Times — Thursday, 11 November 2004
- Conclusive evidenceonce
The New York Times — Monday, 22 September 2003
- Math workonce
The New York Times — Sunday, 25 April 1999
- Smoking gunonce
The New York Times — Sunday, 28 June 1998
- ___ positiveonce
The New York Times — Thursday, 30 January 1997
- "Smoking gun"once
The New York Times — Wednesday, 20 March 1996
- Math discoveryonce
The New York Times — Thursday, 26 May 1994