C32133223331333131133132212111133133313331333131211211232223313221   >>    C3213322333133313113313221211113313331333133313121121123222331322   <<    C32133223331333131133132212111133133313331333131211211232223313223   >>      C32133223331333131133132212111133133313331333131211211232223313222   >>