*1:See also https://sumita-m.hatenadiary.com/entry/2020/07/13/012606 https://sumita-m.hatenadiary.com/entry/2020/11/10/014804 https://sumita-m.hatenadiary.com/entry/2021/02/12/100711 https://sumita-m.hatenadiary.com/entry/2021/03/24/103559 https://sumita-m.hatenadiary.com/entry/2021/10/21/015012 https://sumita-m.hatenadiary.com/entry/2021/12/11/081728 https://sumita-m.hatenadiary.com/entry/2022/01/25/130757 https://sumita-m.hatenadiary.com/entry/2022/02/03/204925 https://sumita-m.hatenadiary.com/entry/2022/03/02/091828 https://sumita-m.hatenadiary.com/entry/2022/03/16/024613 https://sumita-m.hatenadiary.com/entry/2022/03/31/235105 https://sumita-m.hatenadiary.com/entry/2022/04/12/162221 https://sumita-m.hatenadiary.com/entry/2022/05/03/122925
