Una cuerda roja sobre una cuerda roja cambi a azul. El nudo azul cambia a amarillo. Al abrir el nudo amarillo un trozo de cuerda amarilla se ve
RED knot on a RED colored rope changes to BLUE. The BLUE knot then changes to YELLOW. On opening the Yellow knot, a yellow piece of rope is seen blended to the Red rope at the place of the knot.