C11112331312111112111133133313331333133313123313331331123121111331333132231   >>    C1111233131211111211113313331333133313331312331333133112312111133133313223   <<    C11112331312111112111133133313331333133313123313331331123121111331333132233   >>      C11112331312111112111133133313331333133313123313331331123121111331333132232   >>