*1:See also https://sumita-m.hatenadiary.com/entry/20100729/1280429288 https://sumita-m.hatenadiary.com/entry/20101229/1293610997 https://sumita-m.hatenadiary.com/entry/20130614/1371221716 https://sumita-m.hatenadiary.com/entry/20140728/1406522463 https://sumita-m.hatenadiary.com/entry/2019/01/26/235846 https://sumita-m.hatenadiary.com/entry/2020/02/03/234710 https://sumita-m.hatenadiary.com/entry/2020/02/05/012724 https://sumita-m.hatenadiary.com/entry/2020/03/20/120316 https://sumita-m.hatenadiary.com/entry/2020/04/09/011749 https://sumita-m.hatenadiary.com/entry/2020/04/15/012215 https://sumita-m.hatenadiary.com/entry/2020/05/27/110546 https://sumita-m.hatenadiary.com/entry/2020/06/01/094136 https://sumita-m.hatenadiary.com/entry/2020/06/05/093045 https://sumita-m.hatenadiary.com/entry/2020/06/06/091655 https://sumita-m.hatenadiary.com/entry/2020/06/09/021405 https://sumita-m.hatenadiary.com/entry/2020/06/10/085835 https://sumita-m.hatenadiary.com/entry/2020/06/13/074611 https://sumita-m.hatenadiary.com/entry/2020/06/15/004926 https://sumita-m.hatenadiary.com/entry/2020/06/16/085701 https://sumita-m.hatenadiary.com/entry/2020/06/17/012850 https://sumita-m.hatenadiary.com/entry/2020/06/18/101634 https://sumita-m.hatenadiary.com/entry/2020/06/19/083232 https://sumita-m.hatenadiary.com/entry/2020/06/22/094010 https://sumita-m.hatenadiary.com/entry/2020/06/26/012426 https://sumita-m.hatenadiary.com/entry/2020/06/27/143702 https://sumita-m.hatenadiary.com/entry/2020/06/28/220525 https://sumita-m.hatenadiary.com/entry/2020/07/03/092726 https://sumita-m.hatenadiary.com/entry/2020/12/07/101838 https://sumita-m.hatenadiary.com/entry/2021/02/13/145018 https://sumita-m.hatenadiary.com/entry/2021/03/04/105145 https://sumita-m.hatenadiary.com/entry/2021/03/10/200121 https://sumita-m.hatenadiary.com/entry/2021/03/17/023444
*2:See also https://sumita-m.hatenadiary.com/entry/20130408/1365437101 https://sumita-m.hatenadiary.com/entry/20150724/1437745163 https://sumita-m.hatenadiary.com/entry/2019/07/19/143942 https://sumita-m.hatenadiary.com/entry/2019/08/15/204221 https://sumita-m.hatenadiary.com/entry/2020/02/01/082038 https://sumita-m.hatenadiary.com/entry/2020/02/02/133228 https://sumita-m.hatenadiary.com/entry/2020/02/12/020430 https://sumita-m.hatenadiary.com/entry/2020/02/13/095451 https://sumita-m.hatenadiary.com/entry/2020/02/15/083534 https://sumita-m.hatenadiary.com/entry/2020/03/01/093003 https://sumita-m.hatenadiary.com/entry/2020/03/08/000805 https://sumita-m.hatenadiary.com/entry/2020/03/08/145537 https://sumita-m.hatenadiary.com/entry/2020/03/09/141737 https://sumita-m.hatenadiary.com/entry/2020/03/18/081633 https://sumita-m.hatenadiary.com/entry/2020/03/23/023106 https://sumita-m.hatenadiary.com/entry/2020/03/27/142245 https://sumita-m.hatenadiary.com/entry/2020/04/02/095218 https://sumita-m.hatenadiary.com/entry/2020/04/11/093405 https://sumita-m.hatenadiary.com/entry/2020/04/15/010741 https://sumita-m.hatenadiary.com/entry/2020/04/16/225156 https://sumita-m.hatenadiary.com/entry/2020/04/19/104243 https://sumita-m.hatenadiary.com/entry/2020/04/28/215915 https://sumita-m.hatenadiary.com/entry/2020/05/04/133542 https://sumita-m.hatenadiary.com/entry/2020/05/06/110825 https://sumita-m.hatenadiary.com/entry/2020/05/07/131812 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/2020/07/02/134619 https://sumita-m.hatenadiary.com/entry/2020/07/09/152416 https://sumita-m.hatenadiary.com/entry/2020/07/10/154353 https://sumita-m.hatenadiary.com/entry/2020/07/11/072548 https://sumita-m.hatenadiary.com/entry/2020/07/12/225542 https://sumita-m.hatenadiary.com/entry/2020/07/14/142111 https://sumita-m.hatenadiary.com/entry/2020/07/16/085322 https://sumita-m.hatenadiary.com/entry/2020/07/17/212507 https://sumita-m.hatenadiary.com/entry/2020/07/26/235105 https://sumita-m.hatenadiary.com/entry/2020/08/03/133614 https://sumita-m.hatenadiary.com/entry/2020/08/10/085955 https://sumita-m.hatenadiary.com/entry/2020/08/21/002209 https://sumita-m.hatenadiary.com/entry/2020/08/26/091000 https://sumita-m.hatenadiary.com/entry/2020/09/02/221828 https://sumita-m.hatenadiary.com/entry/2020/09/18/154913 https://sumita-m.hatenadiary.com/entry/2020/09/28/162128 https://sumita-m.hatenadiary.com/entry/2020/10/01/094838 https://sumita-m.hatenadiary.com/entry/2020/10/02/103603 https://sumita-m.hatenadiary.com/entry/2020/10/04/100600 https://sumita-m.hatenadiary.com/entry/2020/10/09/134146 https://sumita-m.hatenadiary.com/entry/2020/10/12/164435 https://sumita-m.hatenadiary.com/entry/2020/10/16/102854 https://sumita-m.hatenadiary.com/entry/2020/10/22/211911 https://sumita-m.hatenadiary.com/entry/2020/11/08/011505 https://sumita-m.hatenadiary.com/entry/2020/11/12/093301 https://sumita-m.hatenadiary.com/entry/2020/11/19/083125 https://sumita-m.hatenadiary.com/entry/2020/12/04/123636 https://sumita-m.hatenadiary.com/entry/2020/12/18/100710 https://sumita-m.hatenadiary.com/entry/2020/12/20/094111 https://sumita-m.hatenadiary.com/entry/2021/01/13/164717 https://sumita-m.hatenadiary.com/entry/2021/01/17/110910 https://sumita-m.hatenadiary.com/entry/2021/01/24/142558 https://sumita-m.hatenadiary.com/entry/2021/01/25/013313 https://sumita-m.hatenadiary.com/entry/2021/02/06/092454 https://sumita-m.hatenadiary.com/entry/2021/02/13/023113 https://sumita-m.hatenadiary.com/entry/2021/02/19/121852 https://sumita-m.hatenadiary.com/entry/2021/02/27/082808 https://sumita-m.hatenadiary.com/entry/2021/03/07/093212 https://sumita-m.hatenadiary.com/entry/2021/03/10/200121 https://sumita-m.hatenadiary.com/entry/2021/03/14/103321 https://sumita-m.hatenadiary.com/entry/2021/03/17/083702 https://sumita-m.hatenadiary.com/entry/2021/03/21/025406 https://sumita-m.hatenadiary.com/entry/2021/04/01/100527 https://sumita-m.hatenadiary.com/entry/2021/04/07/001726 https://sumita-m.hatenadiary.com/entry/2021/04/17/101736 https://sumita-m.hatenadiary.com/entry/2021/04/30/094422 https://sumita-m.hatenadiary.com/entry/2021/05/06/025059 https://sumita-m.hatenadiary.com/entry/2021/05/08/102540