C3123121111113313121111331333133313311211113313331333112232233133313231322331   >>    C312312111111331312111133133313331331121111331333133311223223313331323132233   <<    C3123121111113313121111331333133313311211113313331333112232233133313231322333   >>      C3123121111113313121111331333133313311211113313331333112232233133313231322332   >>