Historical clue formulations

• Adjust — 2025-06-01
• Adjust — 2023-07-09
• Refinement — 2022-11-04
• Refinement — 2016-08-04
• Small change — 2015-05-31
• Small change — 2011-01-28
• Minor modification — 2008-08-23
• Make small adjustments in — 2003-02-09
• Fine-tune — 2002-01-16
• Playful pinch — 2001-03-06
• Fine-tune — 1998-12-05
• Fine-tune — 1998-03-15
• Fine-tune — 1997-01-12
• Pinch — 1996-03-01