*1:See also https://sumita-m.hatenadiary.com/entry/2020/08/23/111022 https://sumita-m.hatenadiary.com/entry/2022/06/22/012558 https://sumita-m.hatenadiary.com/entry/2022/07/02/002746 https://sumita-m.hatenadiary.com/entry/2022/08/09/163041
*2:See also https://sumita-m.hatenadiary.com/entry/2021/10/30/092809 https://sumita-m.hatenadiary.com/entry/2021/11/08/140908 https://sumita-m.hatenadiary.com/entry/2022/07/26/080937