C11112331312111112111133133313331333133313331333133313331333132332313221231   >>    C1111233131211111211113313331333133313331333133313331333133313233231322123   <<    C11112331312111112111133133313331333133313331333133313331333132332313221233   >>      C11112331312111112111133133313331333133313331333133313331333132332313221232   >>