C32133223331333131133132212111133133313331333131211211232233221233331   >>    C3213322333133313113313221211113313331333133313121121123223322123333   <<    C32133223331333131133132212111133133313331333131211211232233221233333   >>      C32133223331333131133132212111133133313331333131211211232233221233332   >>