*1:See also https://sumita-m.hatenadiary.com/entry/2022/03/10/152924 https://sumita-m.hatenadiary.com/entry/2023/02/02/092518 https://sumita-m.hatenadiary.com/entry/2023/03/18/134438 https://sumita-m.hatenadiary.com/entry/2024/03/01/103052 https://sumita-m.hatenadiary.com/entry/2024/03/20/135038 https://sumita-m.hatenadiary.com/entry/2024/04/22/135101

*2:See also https://sumita-m.hatenadiary.com/entry/2021/04/04/101740 https://sumita-m.hatenadiary.com/entry/2024/03/19/154403