*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 https://sumita-m.hatenadiary.com/entry/2022/08/17/113746 https://sumita-m.hatenadiary.com/entry/2022/08/20/151012 https://sumita-m.hatenadiary.com/entry/2022/08/28/133621
