public void showClueNumber(int clueNumber) {
		setBackground(Color.WHITE);
		setBorder(BorderFactory.createEtchedBorder());
		
		if(clueNumber != 0) {
			setFont(new Font(getFont().getName(), Font.BOLD, 16));
			setText(Integer.toString(clueNumber));
			validate();
		}
		
		switch(clueNumber) {
		case 1:
			setForeground(Color.BLUE);
			break;
		case 2:
			setForeground(Color.GREEN);
			break;
		case 3:
			setForeground(Color.RED);
			break;
		case 4:
			setForeground(Color.MAGENTA);
			break;
		case 5:
			setForeground(Color.CYAN);
			break;
		case 6:
			setForeground(Color.ORANGE);
			break;
		case 7:
			setForeground(Color.DARK_GRAY);
			break;
		case 8:
			setForeground(Color.BLACK);
			break;
		default:
			setForeground(Color.BLACK);
			break;
		}
	}