*1:See also http://d.hatena.ne.jp/sumita-m/20150730/1438223216 http://d.hatena.ne.jp/sumita-m/20160814/1471186840 http://d.hatena.ne.jp/sumita-m/20160901/1472698103 http://d.hatena.ne.jp/sumita-m/20160902/1472784466 http://d.hatena.ne.jp/sumita-m/20160906/1473144723 http://d.hatena.ne.jp/sumita-m/20161017/1476675346 http://d.hatena.ne.jp/sumita-m/20170313/1489341911 http://d.hatena.ne.jp/sumita-m/20170319/1489888028 https://sumita-m.hatenadiary.com/entry/20170511/1494477183 https://sumita-m.hatenadiary.com/entry/2019/07/02/091844https://sumita-m.hatenadiary.com/entry/2019/07/19/144619 https://sumita-m.hatenadiary.com/entry/2019/08/17/100010 https://sumita-m.hatenadiary.com/entry/2019/10/05/083120 https://sumita-m.hatenadiary.com/entry/2019/10/07/113130 https://sumita-m.hatenadiary.com/entry/2019/10/10/123122
