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http://www.hoshilabo.net/2018/02/22/uuid%ef%bc%88128bit%ef%bc%89%e3%82%92%e5%8f%af%e9%80%86%e7%9f%ad%e7%b8%ae%e3%81%99%e3%82%8b%e6%89%8b%e6%b3%95/
UUID(128bit)を可逆短縮する手法