*1:See also https://sumita-m.hatenadiary.com/entry/2021/07/10/083358 https://sumita-m.hatenadiary.com/entry/2021/08/21/094046 https://sumita-m.hatenadiary.com/entry/2021/09/04/105326 https://sumita-m.hatenadiary.com/entry/2021/10/19/103231 https://sumita-m.hatenadiary.com/entry/2021/12/14/024243 https://sumita-m.hatenadiary.com/entry/2021/12/20/101159
*2:See also https://sumita-m.hatenadiary.com/entry/2022/01/04/095219
