C32133223331333131133132212111133133313331333131211211232231211231   >>    C3213322333133313113313221211113313331333133313121121123223121123   <<    C32133223331333131133132212111133133313331333131211211232231211233   >>      C32133223331333131133132212111133133313331333131211211232231211232   >>