Number (7): Everything in this space must add up to 7. The answer is 1-4, placed horizontally; 3-0, placed vertically.
小时候买衣服鞋子的地方，门口写着“年久失修，请勿靠近”（图：南方人物周刊记者 刘璐明），详情可参考heLLoword翻译官方下载
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Today’s puzzle is a new twist on a classic genre: the “common knowledge” hat riddle in which logicians deduce facts about their hats based on what they know, and what they know others know.
Continue reading...，这一点在Line官方版本下载中也有详细论述