*1:See also http://d.hatena.ne.jp/sumita-m/20051213 http://d.hatena.ne.jp/sumita-m/20060121/1137869912 http://d.hatena.ne.jp/sumita-m/20060223/1140686238 http://d.hatena.ne.jp/sumita-m/20060307/1141693903 http://d.hatena.ne.jp/sumita-m/20060323/1143138032 http://d.hatena.ne.jp/sumita-m/20060721/1153451387 http://d.hatena.ne.jp/sumita-m/20100517/1274095015 http://d.hatena.ne.jp/sumita-m/20120420/1334889075 http://d.hatena.ne.jp/sumita-m/20130513/1368405772 http://d.hatena.ne.jp/sumita-m/20150727/1437974017 https://sumita-m.hatenadiary.com/entry/20160804/1470289469 https://sumita-m.hatenadiary.com/entry/20161101/1478009976 https://sumita-m.hatenadiary.com/entry/20180509/1525807616 https://sumita-m.hatenadiary.com/entry/20180629/1530237801 https://sumita-m.hatenadiary.com/entry/2020/05/08/111303 https://sumita-m.hatenadiary.com/entry/2020/11/18/082725 https://sumita-m.hatenadiary.com/entry/2021/01/22/121928 https://sumita-m.hatenadiary.com/entry/2021/03/26/102825 https://sumita-m.hatenadiary.com/entry/2021/03/30/013533 https://sumita-m.hatenadiary.com/entry/2021/04/16/081712 https://sumita-m.hatenadiary.com/entry/2021/04/21/094905 https://sumita-m.hatenadiary.com/entry/2021/05/19/102624
