void setup() {
  // put your setup code here, to run once:

  int i;
  for (i=1; i <=13; i++)
    pinMode (i, OUTPUT);

/*
  pinMode (1, OUTPUT);
  pinMode (2, OUTPUT);
  pinMode (3, OUTPUT);
  pinMode (4, OUTPUT);
  pinMode (5, OUTPUT);
  pinMode (6, OUTPUT);  
*/

}

void loop() {
  // put your main code here, to run repeatedly:
  int p;
  
  for (p=1; p <=13; p++)
    digitalWrite (p, 1);

  /* Escribe un 1 */
  digitalWrite (1, LOW);
  digitalWrite (5, LOW);


}