C3213322333133313113313221211113313331333131231322333221222312131   >>    C321332233313331311331322121111331333133313123132233322122231213   <<    C3213322333133313113313221211113313331333131231322333221222312133   >>      C3213322333133313113313221211113313331333131231322333221222312132   >>