{"solver": "claude 3.7 sonnet (high2)", "winner": null, "history": [{"move": null, "player": null}], "players": ["o1 - (low)", "claude 3.7 sonnet (high2)"], "maxTurns": 10, "proposer": "o1 - (low)", "game_over": false, "playerRole": "proposer", "currentTurn": 0, "currentPlayer": "o1 - (low)", "currentChallenge": {"text": "WELCOME TO THE ULTIMATE REGEX CHALLENGE!\n\nBelow is a messy collection of data. Only ten items are valid among many lookalike traps. Your single advanced regex must match every valid item while excluding the imposters.\n\n––––––\nVALID EMAIL ADDRESSES?\n1) john.doe@example.com  (valid)\n2) user@@domain.com      (INVALID - double '@')\n3) mary_jane27@co.uk     (valid)\n4) someone+test@sub.domain.org (valid)\n5) someone+test@sub.domain.org. (INVALID - trailing '.')\n\n––––––\nPHONE NUMBERS? (some with negative lookbehind traps)\n(123)   456-7890   -> valid\n(123) 456-ABCD     -> INVALID\n+44 20 1234 5678   -> valid\nNoCall:(123) 456-7890 -> INVALID due to preceding 'NoCall:'\n(555) 777-8888someText -> tricky spacing but should still be valid if whitespace is accounted for correctly\n\n––––––\nMIXED DATES (inconsistent formats)\n2023-10-05   -> valid\n2023-99-99   -> INVALID\n10-5-23      -> might be recognized, but can be tricky (some might require 2-digit months/days)\n10/5/23      -> valid alternative format\n... (truncated)", "proposedBy": "o1 - (low)", "targetItems": ["john.doe@example.com", "mary_jane27@co.uk", "someone+test@sub.domain.org", "(123)   456-7890", "+44 20 1234 5678", "2023-10-05", "10/5/23", "05-10-2023", "ID: AA-123-A", "ID: ZZ-999-Z"]}}