{
    "version": 1.0,
    "title": "A Class Crossword Puzzle by \u3072\u304b\u308b\u3068\u3055\u3042\u3084\u306e\u52dd\u624b\u306a\u30a4\u30e1\u30fc\u30b8",
    "type": "rich",
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