Face move left and right.
#303 2002 version https://blog.goo.ne.jp/mittchan_january/d/20090111
#299 2007 version https://blog.goo.ne.jp/mittchan_january/d/20081215
#535 2010 version https://blog.goo.ne.jp/mittchan_january/d/20170801
http://blog.goo.ne.jp/mittchan_january/d/20170805
#559 2015 version https://blog.goo.ne.jp/mittchan_january/d/20180617
Tq