*1:See also https://sumita-m.hatenadiary.com/entry/2022/01/18/130815 https://sumita-m.hatenadiary.com/entry/2023/01/24/133210 https://sumita-m.hatenadiary.com/entry/2023/02/11/104659 https://sumita-m.hatenadiary.com/entry/2023/02/25/152145 https://sumita-m.hatenadiary.com/entry/2024/02/09/134103 https://sumita-m.hatenadiary.com/entry/2024/03/22/095447 https://sumita-m.hatenadiary.com/entry/2024/04/22/024806
