C32133223331333131133132212111133133313331312313223332231332221   >>    C3213322333133313113313221211113313331333131231322333223133222   <<    C32133223331333131133132212111133133313331312313223332231332223   >>      C32133223331333131133132212111133133313331312313223332231332222   >>