C13223313311212111133133313331333133313232233133313113313211232222231   >>    C1322331331121211113313331333133313331323223313331311331321123222223   <<    C13223313311212111133133313331333133313232233133313113313211232222233   >>      C13223313311212111133133313331333133313232233133313113313211232222232   >>