*1:See also https://sumita-m.hatenadiary.com/entry/2023/02/02/105212 https://sumita-m.hatenadiary.com/entry/2023/02/10/110057
*2:See also https://sumita-m.hatenadiary.com/entry/2021/10/30/092809 https://sumita-m.hatenadiary.com/entry/2021/11/08/140908 https://sumita-m.hatenadiary.com/entry/2022/07/26/080937 https://sumita-m.hatenadiary.com/entry/2022/08/17/113746 https://sumita-m.hatenadiary.com/entry/2022/09/04/150140 https://sumita-m.hatenadiary.com/entry/2022/12/09/130516 https://sumita-m.hatenadiary.com/entry/2022/12/14/131456 https://sumita-m.hatenadiary.com/entry/2022/12/20/222738 https://sumita-m.hatenadiary.com/entry/2023/01/05/095749 https://sumita-m.hatenadiary.com/entry/2023/01/25/144216
