*1:See also https://sumita-m.hatenadiary.com/entry/2020/01/15/092809 https://sumita-m.hatenadiary.com/entry/2020/02/18/012709 https://sumita-m.hatenadiary.com/entry/2020/03/06/111148 https://sumita-m.hatenadiary.com/entry/2020/03/13/111351 https://sumita-m.hatenadiary.com/entry/2020/03/25/092117 https://sumita-m.hatenadiary.com/entry/2020/05/11/133929 https://sumita-m.hatenadiary.com/entry/2020/05/16/152546 https://sumita-m.hatenadiary.com/entry/2020/05/29/150827 https://sumita-m.hatenadiary.com/entry/2020/07/14/142111 https://sumita-m.hatenadiary.com/entry/2020/07/23/140730 https://sumita-m.hatenadiary.com/entry/2020/10/09/110521 https://sumita-m.hatenadiary.com/entry/2020/10/16/102854 https://sumita-m.hatenadiary.com/entry/2020/11/11/020216 https://sumita-m.hatenadiary.com/entry/2021/01/09/235906 https://sumita-m.hatenadiary.com/entry/2021/01/13/162656 https://sumita-m.hatenadiary.com/entry/2021/01/24/142558 https://sumita-m.hatenadiary.com/entry/2021/03/21/025406 https://sumita-m.hatenadiary.com/entry/2021/04/02/071938 https://sumita-m.hatenadiary.com/entry/2021/05/06/025059 https://sumita-m.hatenadiary.com/entry/2021/05/20/092541 https://sumita-m.hatenadiary.com/entry/2021/05/29/085357 https://sumita-m.hatenadiary.com/entry/2021/06/06/160102 https://sumita-m.hatenadiary.com/entry/2021/06/10/090401 https://sumita-m.hatenadiary.com/entry/2021/06/21/210223 https://sumita-m.hatenadiary.com/entry/2021/06/24/094714 https://sumita-m.hatenadiary.com/entry/2021/07/17/091100 https://sumita-m.hatenadiary.com/entry/2021/08/10/021410 https://sumita-m.hatenadiary.com/entry/2021/09/01/135521 https://sumita-m.hatenadiary.com/entry/2021/09/02/203208 https://sumita-m.hatenadiary.com/entry/2021/10/06/094405 https://sumita-m.hatenadiary.com/entry/2021/10/09/123758 https://sumita-m.hatenadiary.com/entry/2021/10/11/081401 https://sumita-m.hatenadiary.com/entry/2021/11/14/142531