*1:See also https://sumita-m.hatenadiary.com/entry/2019/05/31/021047 https://sumita-m.hatenadiary.com/entry/2020/08/28/021345 https://sumita-m.hatenadiary.com/entry/2024/07/14/145356 https://sumita-m.hatenadiary.com/entry/2024/07/21/234914 https://sumita-m.hatenadiary.com/entry/2024/08/31/142718 https://sumita-m.hatenadiary.com/entry/2024/10/05/104835 https://sumita-m.hatenadiary.com/entry/2025/01/23/215758 https://sumita-m.hatenadiary.com/entry/2025/01/27/102756
