C13223313311212111133133313331323133313331323113313113313233212321111   >>    C1322331331121211113313331333132313331333132311331311331323321232111   <<    C13223313311212111133133313331323133313331323113313113313233212321113   >>      C13223313311212111133133313331323133313331323113313113313233212321112   >>