*1:See also https://sumita-m.hatenadiary.com/entry/2020/06/25/001121 https://sumita-m.hatenadiary.com/entry/2020/06/26/004544 https://sumita-m.hatenadiary.com/entry/2020/07/10/154353 https://sumita-m.hatenadiary.com/entry/2020/07/11/081714 https://sumita-m.hatenadiary.com/entry/2020/07/13/111818 https://sumita-m.hatenadiary.com/entry/2021/06/18/075226 https://sumita-m.hatenadiary.com/entry/2021/06/22/081645 https://sumita-m.hatenadiary.com/entry/2021/06/26/211909
*2:See also https://sumita-m.hatenadiary.com/entry/2020/08/14/091741 https://sumita-m.hatenadiary.com/entry/2020/09/05/170400 https://sumita-m.hatenadiary.com/entry/2021/01/27/083235 https://sumita-m.hatenadiary.com/entry/2021/06/03/073508 https://sumita-m.hatenadiary.com/entry/2021/06/28/010650
