C3213322333133313113313221211113313331333133313121121123322223131   >>    C321332233313331311331322121111331333133313331312112112332222313   <<    C3213322333133313113313221211113313331333133313121121123322223133   >>      C3213322333133313113313221211113313331333133313121121123322223132   >>