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		GridBagConstraints c = new GridBagConstraints();
		c.insets.bottom = 2;
		c.insets.top = 2;
		c.insets.left = 2;
		c.insets.right = 2;
		

		JTextArea area = new JTextArea();
		c.weighty = 1;
		panel.add(area, c);
		c.weighty = 0;
		
		for (int i = 9; i >= 1; i--) {
			switch (i) {
			case 9:
			case 6:
			case 3:
				c.gridx = 2;
				c.gridy++;
				break;
			case 8:
			case 7:
			case 5:
			case 4:
			case 2:
			case 1:
				c.gridx--;
				break;
			}
			
			panel.add(new JButton(String.valueOf(i)), c);
		}

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GridBagConstraints c = new GridBagConstraints();
c.insets.bottom = 2;
c.insets.top = 2;
c.insets.left = 2;
c.insets.right = 2;
		

JTextArea area = new JTextArea();
c.weighty = 1;
panel.add(area, c);
c.weighty = 0;
		
for (int i = 9; i >= 1; i--) {
    if ((i + 3) % 3 == 0) {
        c.gridx = 2;
        c.gridy++;
    else
        c.gridx--;
			
    panel.add(new JButton(String.valueOf(i)), c);
}

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GridBagConstraints c = new GridBagConstraints();
c.insets.bottom = 2;
c.insets.top = 2;
c.insets.left = 2;
c.insets.right = 2;
		

JTextArea area = new JTextArea();
c.weighty = 1;
panel.add(area, c);
c.weighty = 0;
		
for (int i = 9; i >= 1; i--) {
    if ((i + 3) % 3 == 0) {
        c.gridx = 2;
        c.gridy++;
    } else
        c.gridx--;
			
    panel.add(new JButton(String.valueOf(i)), c);
}