public void paintComponent(Graphics g){
		super.paintComponent(g);
		
		int widthDifference = (getWidth() / 2) / numCircles;
		
		Random rand = new Random();
		Color color1 = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
		Color color2 = new Color(rand.nextInt(256), rand.nextInt(256), rand.nextInt(256));
		
		for (int i = 0; i < numCircles; i++) {
			if (i % 2 == 0) {g.setColor(color1);}
			else {g.setColor(color2);}
			
			g.fillOval(widthDifference * i, widthDifference * i, getWidth() - 2 * widthDifference * i, getHeight() - 2 * widthDifference * i);
		}
	}