C13223313311212111133133313331333133313232233133313113313132111   >>    C1322331331121211113313331333133313331323223313331311331313211   <<    C13223313311212111133133313331333133313232233133313113313132113   >>      C13223313311212111133133313331333133313232233133313113313132112   >>