*1:See also https://sumita-m.hatenadiary.com/entry/2021/10/05/090541 https://sumita-m.hatenadiary.com/entry/2021/10/22/085231
*2:See also https://sumita-m.hatenadiary.com/entry/2020/07/19/165757 https://sumita-m.hatenadiary.com/entry/2021/01/12/091129 https://sumita-m.hatenadiary.com/entry/2021/04/08/151840 https://sumita-m.hatenadiary.com/entry/2021/06/01/000800 https://sumita-m.hatenadiary.com/entry/2021/10/02/092229 https://sumita-m.hatenadiary.com/entry/2021/10/24/105004 https://sumita-m.hatenadiary.com/entry/2021/11/03/223247 https://sumita-m.hatenadiary.com/entry/2022/03/15/230454 https://sumita-m.hatenadiary.com/entry/2022/05/28/161708 https://sumita-m.hatenadiary.com/entry/2022/06/05/075337 https://sumita-m.hatenadiary.com/entry/2022/06/18/094347 https://sumita-m.hatenadiary.com/entry/2022/11/11/093411 https://sumita-m.hatenadiary.com/entry/2023/03/06/133011
