*1:See also https://sumita-m.hatenadiary.com/entry/2020/02/18/094627 https://sumita-m.hatenadiary.com/entry/2020/11/10/014804 https://sumita-m.hatenadiary.com/entry/2021/07/03/114031 https://sumita-m.hatenadiary.com/entry/2021/11/16/095152 https://sumita-m.hatenadiary.com/entry/2021/11/20/165358 https://sumita-m.hatenadiary.com/entry/2021/12/23/105458 https://sumita-m.hatenadiary.com/entry/2022/02/03/204925 https://sumita-m.hatenadiary.com/entry/2022/06/22/014454 https://sumita-m.hatenadiary.com/entry/2022/08/07/001211 https://sumita-m.hatenadiary.com/entry/2023/04/03/031736
