private void createModifyLastSimulationButton() {
        JButton modifyLastSimulation = new JButton("Modify last simulation");
        
        Insets insets = container.getInsets();
        Dimension size = modifyLastSimulation.getPreferredSize();
        modifyLastSimulation.setBounds(insets.left + 300, insets.top + 20,
                size.width, size.height);
        modifyLastSimulation.addActionListener(new ModifyLastSimulation(this, startingHands, 
                simulationResult));
        container.add(modifyLastSimulation);        
    }