#author("2023-03-17T16:44:47+09:00","default:kuzan","kuzan") http://www.let.osaka-u.ac.jp/okajima/uwazura/kokusyokaidai/a/kokusyo_a040.html http://www.let.osaka-u.ac.jp/okajima/uwazura/syomokukaidai/a/kaidai_a007.html