C13223313311212111133133313331333131133131333133313113313121311311   >>    C1322331331121211113313331333133313113313133313331311331312131131   <<    C13223313311212111133133313331333131133131333133313113313121311313   >>      C13223313311212111133133313331333131133131333133313113313121311312   >>