C3213322333133313113313221211113313331333131231322333223313111221   >>    C321332233313331311331322121111331333133313123132233322331311122   <<    C3213322333133313113313221211113313331333131231322333223313111223   >>      C3213322333133313113313221211113313331333131231322333223313111222   >>