C13223313311212111133133313331333133313123133313113313113313113313231232133111   >>    C1322331331121211113313331333133313331312313331311331311331311331323123213311   <<    C13223313311212111133133313331333133313123133313113313113313113313231232133113   >>      C13223313311212111133133313331333133313123133313113313113313113313231232133112   >>