C11112331312111112111133133313331333133313331333133313331333132332322232311   >>    C1111233131211111211113313331333133313331333133313331333133313233232223231   <<    C11112331312111112111133133313331333133313331333133313331333132332322232313   >>      C11112331312111112111133133313331333133313331333133313331333132332322232312   >>