C111123313121111121111331333133313331333133313331333133313331322121133311   >>    C11112331312111112111133133313331333133313331333133313331333132212113331   <<    C111123313121111121111331333133313331333133313331333133313331322121133313   >>      C111123313121111121111331333133313331333133313331333133313331322121133312   >>