*1:See also https://sumita-m.hatenadiary.com/entry/2020/05/19/153515 https://sumita-m.hatenadiary.com/entry/2020/05/22/133654 https://sumita-m.hatenadiary.com/entry/2020/05/26/064113 https://sumita-m.hatenadiary.com/entry/2020/05/27/111958 https://sumita-m.hatenadiary.com/entry/2020/05/30/091444 https://sumita-m.hatenadiary.com/entry/2020/06/05/094035 https://sumita-m.hatenadiary.com/entry/2020/06/13/033417 https://sumita-m.hatenadiary.com/entry/2020/06/18/101634 https://sumita-m.hatenadiary.com/entry/2020/06/26/010638 https://sumita-m.hatenadiary.com/entry/2020/07/13/192021 https://sumita-m.hatenadiary.com/entry/2020/12/04/112523 https://sumita-m.hatenadiary.com/entry/2021/02/13/145018 https://sumita-m.hatenadiary.com/entry/2021/05/11/094208 https://sumita-m.hatenadiary.com/entry/2021/05/18/094153 https://sumita-m.hatenadiary.com/entry/2021/05/20/082318 https://sumita-m.hatenadiary.com/entry/2021/05/29/091635 https://sumita-m.hatenadiary.com/entry/2021/06/02/093438 https://sumita-m.hatenadiary.com/entry/2021/06/12/082848 https://sumita-m.hatenadiary.com/entry/2021/06/21/072923
*2:See also https://sumita-m.hatenadiary.com/entry/2020/02/20/212628 https://sumita-m.hatenadiary.com/entry/2020/04/06/014410 https://sumita-m.hatenadiary.com/entry/2020/07/25/080501 https://sumita-m.hatenadiary.com/entry/2020/08/11/095935 https://sumita-m.hatenadiary.com/entry/2020/10/01/092639 https://sumita-m.hatenadiary.com/entry/2020/12/19/170924 https://sumita-m.hatenadiary.com/entry/2021/01/03/090242 https://sumita-m.hatenadiary.com/entry/2021/01/08/081429 https://sumita-m.hatenadiary.com/entry/2021/01/23/075906 https://sumita-m.hatenadiary.com/entry/2021/01/28/002235 https://sumita-m.hatenadiary.com/entry/2021/03/05/084207 https://sumita-m.hatenadiary.com/entry/2021/04/20/102544 https://sumita-m.hatenadiary.com/entry/2021/05/08/002302 https://sumita-m.hatenadiary.com/entry/2021/05/26/091037 https://sumita-m.hatenadiary.com/entry/2021/06/05/092007