C13223313311212111133133313331333133313232233133313113313232112231   >>    C1322331331121211113313331333133313331323223313331311331323211223   <<    C13223313311212111133133313331333133313232233133313113313232112233   >>      C13223313311212111133133313331333133313232233133313113313232112232   >>