C11112331312111112111133133313331333133313331333133313113313221132331   >>    C1111233131211111211113313331333133313331333133313331311331322113233   <<    C11112331312111112111133133313331333133313331333133313113313221132333   >>      C11112331312111112111133133313331333133313331333133313113313221132332   >>