This is a continuation of the previous blogs (http://d.hatena.ne.jp/itunalily2/20170703)(http://d.hatena.ne.jp/itunalily2/20170704)(http://d.hatena.ne.jp/itunalily2/20170706)(http://d.hatena.ne.jp/itunalily2/20170708). They are excerpts. (…