docs: private int isExpected( long found ) {
  
  		int bestHamming = 2;
  		int bestNumber = -1;
  		for (int i = 0; i < numbers.length; i++) {
  
  			int hamming = DescriptorDistance.hamming((int)found^(int)numbers[i]);
  
  			if( hamming < bestHamming ) {
  				bestHamming = hamming;
  				bestNumber = i;
  			}
  		}
  		return bestNumber;
  	}