C31231211111133131211113313331333133112111133232133313223322231   >>    C3123121111113313121111331333133313311211113323213331322332223   <<    C31231211111133131211113313331333133112111133232133313223322233   >>      C31231211111133131211113313331333133112111133232133313223322232   >>