C111123313121111121111331333133313331333133313331333133313331323331312113121   >>    C11112331312111112111133133313331333133313331333133313331333132333131211312   <<    C111123313121111121111331333133313331333133313331333133313331323331312113123   >>      C111123313121111121111331333133313331333133313331333133313331323331312113122   >>