C111123313121111121111331333133313331333133313331333133313331322112222311   >>    C11112331312111112111133133313331333133313331333133313331333132211222231   <<    C111123313121111121111331333133313331333133313331333133313331322112222313   >>      C111123313121111121111331333133313331333133313331333133313331322112222312   >>