{"reason": "Solver failed to provide valid regex pattern", "solver": "Llama 3.3 70B Instruct", "winner": "claude 3.7 sonnet (high2)", "players": ["Llama 3.3 70B Instruct", "claude 3.7 sonnet (high2)"], "proposer": "claude 3.7 sonnet (high2)", "game_over": true, "currentTurn": 3}