C11112331312111112111133133313331333133313331312111133221322331   >>    C1111233131211111211113313331333133313331333131211113322132233   <<    C11112331312111112111133133313331333133313331312111133221322333   >>      C11112331312111112111133133313331333133313331312111133221322332   >>