private void printPaths(Stack<Integer> path) {
    Stack<Integer> aux = new Stack<Integer>();
    aux.addAll(path);
    Stack<Integer> auxInverted = new Stack<Integer>();

    while(!aux.isEmpty())
        auxInverted.push(aux.pop());

    System.out.print("Camino: ");
    while(!auxInverted.isEmpty())
        System.out.print(nodes.get(auxInverted.pop()).data + "-> ");
    System.out.println("");
}