docs: protected double computeScore( int leftX , int rightX , int centerY ) {
  
  		double center = computeScoreRect(leftX,rightX,centerY);
  		four[0] =  computeScoreRect(leftX-radiusX,rightX-radiusX,centerY-radiusY);
  		four[1] =  computeScoreRect(leftX+radiusX,rightX+radiusX,centerY-radiusY);
  		four[2] =  computeScoreRect(leftX-radiusX,rightX-radiusX,centerY+radiusY);
  		four[3] =  computeScoreRect(leftX+radiusX,rightX+radiusX,centerY+radiusY);
  
  		Arrays.sort(four);
  
  		return four[0] + four[1] + center;
  	}