C32133223331333131133132212111133133313331333131211211232222223311   >>    C3213322333133313113313221211113313331333133313121121123222222331   <<    C32133223331333131133132212111133133313331333131211211232222223313   >>      C32133223331333131133132212111133133313331333131211211232222223312   >>