C11112331312111112111133133313331333133313331333133313331333132233131232322231   >>    C1111233131211111211113313331333133313331333133313331333133313223313123232223   <<    C11112331312111112111133133313331333133313331333133313331333132233131232322233   >>      C11112331312111112111133133313331333133313331333133313331333132233131232322232   >>