ACIDTEST
Set to 5 different clues across 5 published puzzles, most often “Proof provider” — The New York Times, Saturday, 14 April 2007.
8 letters
Every clue on record, most used first
- Proof provideronce
The New York Times — Saturday, 14 April 2007
- Critical step in analysisonce
The New York Times — Friday, 26 August 2005
- Conclusive trialonce
The New York Times — Wednesday, 30 June 2004
- Critical steponce
The New York Times — Saturday, 13 May 2000
- Defining challengeonce
The New York Times — Friday, 23 June 1995