C11112331312111112111133133313331333133313331333133313331333212331323311   >>    C1111233131211111211113313331333133313331333133313331333133321233132331   <<    C11112331312111112111133133313331333133313331333133313331333212331323313   >>      C11112331312111112111133133313331333133313331333133313331333212331323312   >>