*1:See also https://sumita-m.hatenadiary.com/entry/20100729/1280429288 https://sumita-m.hatenadiary.com/entry/20101229/1293610997 https://sumita-m.hatenadiary.com/entry/20130614/1371221716 https://sumita-m.hatenadiary.com/entry/20140728/1406522463 https://sumita-m.hatenadiary.com/entry/2019/01/26/235846 https://sumita-m.hatenadiary.com/entry/2020/02/03/234710 https://sumita-m.hatenadiary.com/entry/2020/02/05/012724 https://sumita-m.hatenadiary.com/entry/2020/03/20/120316 https://sumita-m.hatenadiary.com/entry/2020/04/09/011749 https://sumita-m.hatenadiary.com/entry/2020/04/15/012215 https://sumita-m.hatenadiary.com/entry/2020/05/27/110546
*2:See also https://sumita-m.hatenadiary.com/entry/20160901/1472698104 https://sumita-m.hatenadiary.com/entry/20160905/1473001573 https://sumita-m.hatenadiary.com/entry/2019/10/05/084846 https://sumita-m.hatenadiary.com/entry/2019/12/31/023348 https://sumita-m.hatenadiary.com/entry/2020/01/11/024638 https://sumita-m.hatenadiary.com/entry/2020/01/15/094009 https://sumita-m.hatenadiary.com/entry/2020/01/16/084538 https://sumita-m.hatenadiary.com/entry/2020/01/28/012431 https://sumita-m.hatenadiary.com/entry/2020/01/28/104902 https://sumita-m.hatenadiary.com/entry/2020/02/03/135611 https://sumita-m.hatenadiary.com/entry/2020/02/14/104928 https://sumita-m.hatenadiary.com/entry/2020/02/20/020721 https://sumita-m.hatenadiary.com/entry/2020/02/22/082607 https://sumita-m.hatenadiary.com/entry/2020/02/25/083641 https://sumita-m.hatenadiary.com/entry/2020/02/26/135922 https://sumita-m.hatenadiary.com/entry/2020/03/02/085921 https://sumita-m.hatenadiary.com/entry/2020/03/13/132015 https://sumita-m.hatenadiary.com/entry/2020/03/15/094840 https://sumita-m.hatenadiary.com/entry/2020/03/21/020825 https://sumita-m.hatenadiary.com/entry/2020/04/02/222356 https://sumita-m.hatenadiary.com/entry/2020/04/05/134823 https://sumita-m.hatenadiary.com/entry/2020/04/07/104850 https://sumita-m.hatenadiary.com/entry/2020/04/15/133650 https://sumita-m.hatenadiary.com/entry/2020/04/16/221228 https://sumita-m.hatenadiary.com/entry/2020/04/28/215915 https://sumita-m.hatenadiary.com/entry/2020/05/04/133542 https://sumita-m.hatenadiary.com/entry/2020/05/06/102459 https://sumita-m.hatenadiary.com/entry/2020/05/13/103303 https://sumita-m.hatenadiary.com/entry/2020/05/14/013129 https://sumita-m.hatenadiary.com/entry/2020/05/18/162207 https://sumita-m.hatenadiary.com/entry/2020/05/24/033752 https://sumita-m.hatenadiary.com/entry/2020/05/29/150827
