C32133223331333131133132212111133133313331333131211211232221211   >>    C3213322333133313113313221211113313331333133313121121123222121   <<    C32133223331333131133132212111133133313331333131211211232221213   >>      C32133223331333131133132212111133133313331333131211211232221212   >>