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https://ja.wikipedia.org/wiki/%E3%82%B2%E3%82%AA%E3%83%AB%E3%82%AE%E3%82%A4%E3%83%BB%E3%82%B0%E3%83%AB%E3%82%B8%E3%82%A8%E3%83%95

https://note.com/himajin_33/n/n52b77eff7003