C13223313311212111133133313331333133313232233133313113313311212132223331   >>    C1322331331121211113313331333133313331323223313331311331331121213222333   <<    C13223313311212111133133313331333133313232233133313113313311212132223333   >>      C13223313311212111133133313331333133313232233133313113313311212132223332   >>