Historical clue formulations

• Losing line in tic-tac-toe — 2023-02-05
• Losing line in tic-tac-toe — 2014-10-22
• Unhelpful noughts-and-crosses line — 2012-11-03
• Tic-tac-toe loser — 2011-06-16
• Losing tic-tac-toe combo — 2009-10-25
• Tic-tac-toe loser — 2009-08-30
• Kiss and hugs, in a love letter — 2007-05-16
• Tic-tac-toe loser — 2006-12-14
• Losing tic-tac-toe row — 2002-07-09
• Tic-tac-toe failure — 1999-06-06