code: public List<T> getOutside( List<T> storage )
  	{
  		if( storage == null ) {
  			storage = new ArrayList<T>();
  		}  else {
  			storage.clear();
  		}
  
  		storage.addAll(a);
  
  		// bins specifies elements in order of first in 'a' to last
  		for( int i = bins.length-1; i >= 0; i-- ) {
  			storage.remove(bins[i]);
  		}
  
  		return storage;
  	}
docs: This returns all the items that are not currently inside the bucket
  
  @param storage Optional storage.  If null a list is created.  clear() is automatically called.
  @return List containing the bucket