*1:See also https://sumita-m.hatenadiary.com/entry/2020/07/12/222257 https://sumita-m.hatenadiary.com/entry/2020/07/22/123612 https://sumita-m.hatenadiary.com/entry/2020/07/30/134649 https://sumita-m.hatenadiary.com/entry/2020/08/23/160606 https://sumita-m.hatenadiary.com/entry/2020/09/20/020937 https://sumita-m.hatenadiary.com/entry/2020/12/01/103123 https://sumita-m.hatenadiary.com/entry/2021/01/08/085558 https://sumita-m.hatenadiary.com/entry/2021/01/17/130116 https://sumita-m.hatenadiary.com/entry/2021/01/27/083235 https://sumita-m.hatenadiary.com/entry/2021/03/02/085109 https://sumita-m.hatenadiary.com/entry/2021/03/10/215459 https://sumita-m.hatenadiary.com/entry/2021/03/15/012232 https://sumita-m.hatenadiary.com/entry/2021/03/17/082547 https://sumita-m.hatenadiary.com/entry/2021/03/24/090950 https://sumita-m.hatenadiary.com/entry/2021/05/12/095531 https://sumita-m.hatenadiary.com/entry/2021/06/14/072336 https://sumita-m.hatenadiary.com/entry/2021/06/25/010050 https://sumita-m.hatenadiary.com/entry/2021/07/18/074835 https://sumita-m.hatenadiary.com/entry/2021/07/27/085422 https://sumita-m.hatenadiary.com/entry/2021/07/30/110319 https://sumita-m.hatenadiary.com/entry/2021/08/02/093855 https://sumita-m.hatenadiary.com/entry/2021/09/04/133905 https://sumita-m.hatenadiary.com/entry/2021/09/06/094213 https://sumita-m.hatenadiary.com/entry/2021/09/22/212956 https://sumita-m.hatenadiary.com/entry/2021/10/09/140829 https://sumita-m.hatenadiary.com/entry/2021/10/13/091227 https://sumita-m.hatenadiary.com/entry/2021/10/17/075515 https://sumita-m.hatenadiary.com/entry/2021/10/19/104548 https://sumita-m.hatenadiary.com/entry/2021/10/21/013105 https://sumita-m.hatenadiary.com/entry/2021/10/22/092512 https://sumita-m.hatenadiary.com/entry/2021/11/13/122821 https://sumita-m.hatenadiary.com/entry/2021/11/19/132802 https://sumita-m.hatenadiary.com/entry/2021/12/02/162121
*2:See also https://sumita-m.hatenadiary.com/entry/2020/08/14/091741 https://sumita-m.hatenadiary.com/entry/2020/09/05/170400 https://sumita-m.hatenadiary.com/entry/2021/01/27/083235 https://sumita-m.hatenadiary.com/entry/2021/06/03/073508 https://sumita-m.hatenadiary.com/entry/2021/06/28/010650 https://sumita-m.hatenadiary.com/entry/2021/07/02/213914 https://sumita-m.hatenadiary.com/entry/2021/11/07/094741 https://sumita-m.hatenadiary.com/entry/2021/11/20/165358