C111123313331323113313331333133313331323331121211113313121111331   >>    C11112331333132311331333133313331333132333112121111331312111133   <<    C111123313331323113313331333133313331323331121211113313121111333   >>      C111123313331323113313331333133313331323331121211113313121111332   >>