C11112331312111112111133133313331333133313331333133313331323321111132331   >>    C1111233131211111211113313331333133313331333133313331333132332111113233   <<    C11112331312111112111133133313331333133313331333133313331323321111132333   >>      C11112331312111112111133133313331333133313331333133313331323321111132332   >>