public void actionPerformed(ActionEvent e) {
		if(vulaux){vulaux=false;return;}
		if(presionado==0){
			this.boton1=(JButton)e.getSource();
			presionado=1;
		
			}
		else if(presionado==1){
			this.boton2=(JButton)e.getSource();
			this.swap();
		}
		
	}