*1: See also https://sumita-m.hatenadiary.com/entry/20130413/1365875653 https://sumita-m.hatenadiary.com/entry/2019/10/28/100855 https://sumita-m.hatenadiary.com/entry/2019/12/24/023148 https://sumita-m.hatenadiary.com/entry/2020/01/14/095940 https://sumita-m.hatenadiary.com/entry/2020/02/06/024603 https://sumita-m.hatenadiary.com/entry/2020/02/15/083534 https://sumita-m.hatenadiary.com/entry/2020/02/23/140647 https://sumita-m.hatenadiary.com/entry/2020/03/05/033241 https://sumita-m.hatenadiary.com/entry/2020/03/17/142308 https://sumita-m.hatenadiary.com/entry/2020/03/21/025302 https://sumita-m.hatenadiary.com/entry/2020/03/31/153428 https://sumita-m.hatenadiary.com/entry/2020/04/09/010405 https://sumita-m.hatenadiary.com/entry/2020/04/28/022530 https://sumita-m.hatenadiary.com/entry/2020/04/29/112822 https://sumita-m.hatenadiary.com/entry/2020/05/01/100555 https://sumita-m.hatenadiary.com/entry/2020/05/13/101203 https://sumita-m.hatenadiary.com/entry/2020/05/20/004659 https://sumita-m.hatenadiary.com/entry/2020/05/22/133654 https://sumita-m.hatenadiary.com/entry/2020/06/05/093045 https://sumita-m.hatenadiary.com/entry/2020/06/18/101634 https://sumita-m.hatenadiary.com/entry/2020/06/27/032726 https://sumita-m.hatenadiary.com/entry/2020/07/09/152416 https://sumita-m.hatenadiary.com/entry/2020/07/11/013854 https://sumita-m.hatenadiary.com/entry/2020/07/12/214637 https://sumita-m.hatenadiary.com/entry/2020/07/14/150339 https://sumita-m.hatenadiary.com/entry/2020/07/16/132611 https://sumita-m.hatenadiary.com/entry/2020/07/23/090916 https://sumita-m.hatenadiary.com/entry/2020/07/26/005419 https://sumita-m.hatenadiary.com/entry/2020/07/28/111049 https://sumita-m.hatenadiary.com/entry/2020/08/03/133614 https://sumita-m.hatenadiary.com/entry/2020/08/03/143153 https://sumita-m.hatenadiary.com/entry/2020/08/05/003020 https://sumita-m.hatenadiary.com/entry/2020/08/07/141545 https://sumita-m.hatenadiary.com/entry/2020/08/09/012246 https://sumita-m.hatenadiary.com/entry/2020/08/30/084636 https://sumita-m.hatenadiary.com/entry/2020/10/08/141207 https://sumita-m.hatenadiary.com/entry/2020/10/10/233830 https://sumita-m.hatenadiary.com/entry/2020/10/30/133258 https://sumita-m.hatenadiary.com/entry/2020/11/03/080223 https://sumita-m.hatenadiary.com/entry/2021/01/06/141659 https://sumita-m.hatenadiary.com/entry/2021/01/08/020224 https://sumita-m.hatenadiary.com/entry/2021/01/27/085310 https://sumita-m.hatenadiary.com/entry/2021/02/02/151437 https://sumita-m.hatenadiary.com/entry/2021/02/04/091536 https://sumita-m.hatenadiary.com/entry/2021/02/06/191723