*1:See also https://sumita-m.hatenadiary.com/entry/2020/08/29/135133 https://sumita-m.hatenadiary.com/entry/2021/05/20/080915 https://sumita-m.hatenadiary.com/entry/2021/05/28/021659 https://sumita-m.hatenadiary.com/entry/2021/05/31/023942 https://sumita-m.hatenadiary.com/entry/2021/10/25/111403 https://sumita-m.hatenadiary.com/entry/2021/12/20/071613 https://sumita-m.hatenadiary.com/entry/2021/12/28/094958 https://sumita-m.hatenadiary.com/entry/2022/11/08/103236 https://sumita-m.hatenadiary.com/entry/2022/12/06/102000 https://sumita-m.hatenadiary.com/entry/2023/04/27/101941 https://sumita-m.hatenadiary.com/entry/2023/05/23/112714
