*1:See also https://sumita-m.hatenadiary.com/entry/2020/03/10/022606 https://sumita-m.hatenadiary.com/entry/2020/07/11/092525 https://sumita-m.hatenadiary.com/entry/2020/07/15/111420 https://sumita-m.hatenadiary.com/entry/2020/09/17/012308 https://sumita-m.hatenadiary.com/entry/2020/10/17/185518 https://sumita-m.hatenadiary.com/entry/2021/06/15/004301 https://sumita-m.hatenadiary.com/entry/2021/10/12/210852 https://sumita-m.hatenadiary.com/entry/2021/11/29/185003 https://sumita-m.hatenadiary.com/entry/2022/02/25/161412 https://sumita-m.hatenadiary.com/entry/2022/05/31/154551 https://sumita-m.hatenadiary.com/entry/2022/10/16/094110 https://sumita-m.hatenadiary.com/entry/2023/12/21/122906
