C32133223331333131133132212111133133313331333131211211233222111231211   >>    C3213322333133313113313221211113313331333133313121121123322211123121   <<    C32133223331333131133132212111133133313331333131211211233222111231213   >>      C32133223331333131133132212111133133313331333131211211233222111231212   >>