void setup() {
  // put your setup code here, to run once:
pinMode(12,OUTPUT);
pinMode(13,OUTPUT);
pinMode(14,OUTPUT);
}

void loop()
{
  digitalWrite(12,0);
  digitalWrite(13,0);
  digitalWrite(14,0);
  delay(1000);

    digitalWrite(12,0);
  digitalWrite(13,0);
  digitalWrite(14,1);
  delay(1000);


  digitalWrite(12,0);
  digitalWrite(13,1);
  digitalWrite(14,0);
  delay(1000);

  digitalWrite(12,0);
  digitalWrite(13,1);
  digitalWrite(14,1);
  delay(1000);

  digitalWrite(12,1);
  digitalWrite(13,0);
  digitalWrite(14,0);
  delay(1000);

  digitalWrite(12,1);
  digitalWrite(13,0);
  digitalWrite(14,1);
  delay(1000);

  digitalWrite(12,1);
  digitalWrite(13,1);
  digitalWrite(14,0);
  delay(1000);

  digitalWrite(12,1);
  digitalWrite(13,1);
  digitalWrite(14,1);
  delay(1000);

  


}