C13223313311212111133133313331333131133131333133313331323231123213321   >>    C1322331331121211113313331333133313113313133313331333132323112321332   <<    C13223313311212111133133313331333131133131333133313331323231123213323   >>      C13223313311212111133133313331333131133131333133313331323231123213322   >>