C111123313121111121111331333133313331333133313331333133313331333233213231   >>    C11112331312111112111133133313331333133313331333133313331333133323321323   <<    C111123313121111121111331333133313331333133313331333133313331333233213233   >>      C111123313121111121111331333133313331333133313331333133313331333233213232   >>