*1:See also https://d.hatena.ne.jp/sumita-m/20120419/1334803429 https://d.hatena.ne.jp/sumita-m/20130408/1365437101 https://d.hatena.ne.jp/sumita-m/20130607/1370563792 https://d.hatena.ne.jp/sumita-m/20130614/1371221716 https://d.hatena.ne.jp/sumita-m/20140217/1392601359 https://d.hatena.ne.jp/sumita-m/20140723/1406083089 https://d.hatena.ne.jp/sumita-m/20140728/1406522463 https://d.hatena.ne.jp/sumita-m/20140820/1408501641 https://d.hatena.ne.jp/sumita-m/20150718/1437179854 https://d.hatena.ne.jp/sumita-m/20150724/1437745163 https://d.hatena.ne.jp/sumita-m/20150730/1438223216 https://d.hatena.ne.jp/sumita-m/20160731/1469923327 https://d.hatena.ne.jp/sumita-m/20160814/1471186840 https://d.hatena.ne.jp/sumita-m/20160817/1471400786 https://d.hatena.ne.jp/sumita-m/20160901/1472698103 https://d.hatena.ne.jp/sumita-m/20160906/1473144723 https://d.hatena.ne.jp/sumita-m/20160922/1474519341 https://d.hatena.ne.jp/sumita-m/20161015/1476517356 https://d.hatena.ne.jp/sumita-m/20170319/1489888028 https://d.hatena.ne.jp/sumita-m/20170321/1490117707 https://d.hatena.ne.jp/sumita-m/20170324/1490328369 https://d.hatena.ne.jp/sumita-m/20170406/1491491310 https://sumita-m.hatenadiary.com/entry/20170511/1494477182 https://sumita-m.hatenadiary.com/entry/2019/08/17/100010 https://sumita-m.hatenadiary.com/entry/2019/09/19/131109 https://sumita-m.hatenadiary.com/entry/2019/10/07/113130 https://sumita-m.hatenadiary.com/entry/2019/10/08/111945 https://sumita-m.hatenadiary.com/entry/2019/10/11/090118 https://sumita-m.hatenadiary.com/entry/2019/11/21/133452 https://sumita-m.hatenadiary.com/entry/2020/01/06/091129 https://sumita-m.hatenadiary.com/entry/2020/01/06/092155 https://sumita-m.hatenadiary.com/entry/2020/01/07/084744 https://sumita-m.hatenadiary.com/entry/2020/01/08/022225 https://sumita-m.hatenadiary.com/entry/2020/01/09/124149 https://sumita-m.hatenadiary.com/entry/2020/01/14/092112 https://sumita-m.hatenadiary.com/entry/2020/01/15/094009 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