{"state": {"pair": [0, 3], "compared": [], "tick": 0, "feedback": "\u5199\u771f\u3092\u6bd4\u3079\u3088\u3046\u3002\u6642\u523b\u306f\u9032\u307f\u307e\u305b\u3093\u3002"}, "level": "A", "focus": 0, "cursor": 0, "history_length": 0}
