class program {

define turnhalf()
    {
    iterate(2)
        {
        turnleft();
        }
    }

define tresPasos()
    {
    iterate(3)
        {
        move();
        }
    }
define recorreLinea()
    {
    tresPasos();
    turnleft();
    }

define recorreCamino()
    {
    iterate(3)
        {
        recorreLinea();
        }
    turnhalf();
    tresPasos();
    }

program()
    {
    recorreCamino();
    turnoff();
    }

}