code: public static Iterable<MutableLongTuple> mooreNeighborhoodIterable(
          LongTuple center, int radius, Order order)
      {
          return mooreNeighborhoodIterable(center, radius, null, null, order);
      }
docs: Creates an iterable that provides iterators for iterating over the
  Moore neighborhood of the given center and the given radius.<br>
  <br>
  Also see <a href="../../package-summary.html#Neighborhoods">
  Neighborhoods</a>
  
  @param center The center of the Moore neighborhood
  A copy of this tuple will be stored internally.
  @param radius The radius of the Moore neighborhood
  @param order The iteration {@link Order}
  @return The iterable