C11112331312111112111133133313331333133313331333133313331333132323113311   >>    C1111233131211111211113313331333133313331333133313331333133313232311331   <<    C11112331312111112111133133313331333133313331333133313331333132323113313   >>      C11112331312111112111133133313331333133313331333133313331333132323113312   >>