C13223313311212111133133313331333133313123133313113313232313131   >>    C1322331331121211113313331333133313331312313331311331323231313   <<    C13223313311212111133133313331333133313123133313113313232313133   >>      C13223313311212111133133313331333133313123133313113313232313132   >>