*1:See also https://sumita-m.hatenadiary.com/entry/2021/11/21/221652 https://sumita-m.hatenadiary.com/entry/2021/11/26/122100 https://sumita-m.hatenadiary.com/entry/2021/12/11/081728 https://sumita-m.hatenadiary.com/entry/2021/12/23/170921 https://sumita-m.hatenadiary.com/entry/2022/11/23/221347
*2:See also https://sumita-m.hatenadiary.com/entry/2020/10/10/111305 https://sumita-m.hatenadiary.com/entry/2021/07/05/215506 https://sumita-m.hatenadiary.com/entry/2022/11/23/215108
