C13223313311212111133133313331333131133131333133313331323231311331   >>    C1322331331121211113313331333133313113313133313331333132323131133   <<    C13223313311212111133133313331333131133131333133313331323231311333   >>      C13223313311212111133133313331333131133131333133313331323231311332   >>