*1:See also https://sumita-m.hatenadiary.com/entry/2021/03/14/091414 https://sumita-m.hatenadiary.com/entry/2021/03/24/230138
*2:See also https://sumita-m.hatenadiary.com/entry/2020/02/02/100650 https://sumita-m.hatenadiary.com/entry/2020/03/11/133543 https://sumita-m.hatenadiary.com/entry/2020/03/24/160033 https://sumita-m.hatenadiary.com/entry/2020/04/29/112822 https://sumita-m.hatenadiary.com/entry/2020/05/04/133542 https://sumita-m.hatenadiary.com/entry/2020/06/04/124226 https://sumita-m.hatenadiary.com/entry/2020/06/08/083827 https://sumita-m.hatenadiary.com/entry/2020/06/09/105730 https://sumita-m.hatenadiary.com/entry/2020/06/27/143702 https://sumita-m.hatenadiary.com/entry/2020/07/06/094945 https://sumita-m.hatenadiary.com/entry/2020/07/07/003747 https://sumita-m.hatenadiary.com/entry/2020/07/12/220453 https://sumita-m.hatenadiary.com/entry/2020/08/02/134724 https://sumita-m.hatenadiary.com/entry/2020/08/03/143153 https://sumita-m.hatenadiary.com/entry/2020/08/12/220442 https://sumita-m.hatenadiary.com/entry/2020/08/20/011402 https://sumita-m.hatenadiary.com/entry/2020/09/18/092029 https://sumita-m.hatenadiary.com/entry/2020/09/22/084954 https://sumita-m.hatenadiary.com/entry/2020/11/01/092613 https://sumita-m.hatenadiary.com/entry/2020/11/04/101501 https://sumita-m.hatenadiary.com/entry/2020/11/10/022036 https://sumita-m.hatenadiary.com/entry/2020/11/26/161932 https://sumita-m.hatenadiary.com/entry/2020/11/30/123642 https://sumita-m.hatenadiary.com/entry/2020/12/08/133927 https://sumita-m.hatenadiary.com/entry/2020/12/19/102215 https://sumita-m.hatenadiary.com/entry/2020/12/27/021712 https://sumita-m.hatenadiary.com/entry/2021/01/10/082004 https://sumita-m.hatenadiary.com/entry/2021/01/18/124509 https://sumita-m.hatenadiary.com/entry/2021/01/24/135354 https://sumita-m.hatenadiary.com/entry/2021/01/29/001949 https://sumita-m.hatenadiary.com/entry/2021/02/06/191723 https://sumita-m.hatenadiary.com/entry/2021/02/15/085019 https://sumita-m.hatenadiary.com/entry/2021/02/22/084222 https://sumita-m.hatenadiary.com/entry/2021/02/25/094721 https://sumita-m.hatenadiary.com/entry/2021/02/27/093856 https://sumita-m.hatenadiary.com/entry/2021/03/14/092512 https://sumita-m.hatenadiary.com/entry/2021/03/23/222149 https://sumita-m.hatenadiary.com/entry/2021/04/15/091744 https://sumita-m.hatenadiary.com/entry/2021/04/22/093457 https://sumita-m.hatenadiary.com/entry/2021/05/27/090001 https://sumita-m.hatenadiary.com/entry/2021/06/07/023151 https://sumita-m.hatenadiary.com/entry/2021/06/13/072157 https://sumita-m.hatenadiary.com/entry/2021/06/20/011257 https://sumita-m.hatenadiary.com/entry/2021/06/25/001416 https://sumita-m.hatenadiary.com/entry/2021/07/05/070140 https://sumita-m.hatenadiary.com/entry/2021/07/06/204538 https://sumita-m.hatenadiary.com/entry/2021/07/13/081138 https://sumita-m.hatenadiary.com/entry/2021/07/22/102250 https://sumita-m.hatenadiary.com/entry/2021/08/24/231253 https://sumita-m.hatenadiary.com/entry/2021/09/27/091043 https://sumita-m.hatenadiary.com/entry/2021/10/18/131212 https://sumita-m.hatenadiary.com/entry/2021/10/26/102156 https://sumita-m.hatenadiary.com/entry/2021/10/26/120908 https://sumita-m.hatenadiary.com/entry/2021/10/29/083741 https://sumita-m.hatenadiary.com/entry/2021/11/04/063721 https://sumita-m.hatenadiary.com/entry/2021/11/09/163033 https://sumita-m.hatenadiary.com/entry/2021/11/10/085318 https://sumita-m.hatenadiary.com/entry/2021/11/21/221652 https://sumita-m.hatenadiary.com/entry/2021/11/27/133319 https://sumita-m.hatenadiary.com/entry/2021/12/01/073735 https://sumita-m.hatenadiary.com/entry/2021/12/10/014115 https://sumita-m.hatenadiary.com/entry/2021/12/24/121741 https://sumita-m.hatenadiary.com/entry/2021/12/28/021357 https://sumita-m.hatenadiary.com/entry/2022/01/20/160907 https://sumita-m.hatenadiary.com/entry/2022/03/07/132615 https://sumita-m.hatenadiary.com/entry/2022/03/22/091839