#author("2021-04-15T14:45:01+00:00","","") http://www.takeposo.sakura.ne.jp/wiki/index.php?satttta http://timeflow.webcrow.jp/pukiwiki/index.php?sattta http://odz.sakura.ne.jp/projecteuler/index.php?satta http://nakigao.sitemix.jp/nakiwiki/?satta