C13223313311212111133133313331333133313123133313113313232111211   >>    C1322331331121211113313331333133313331312313331311331323211121   <<    C13223313311212111133133313331333133313123133313113313232111213   >>      C13223313311212111133133313331333133313123133313113313232111212   >>