Untitled

void setup()
{
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
}

void loop()
{
  // turn the LED on (HIGH is the voltage level)
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(13,LOW);
  delay(250);
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(13,LOW);
  delay(250);
   digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(12,LOW);
  delay(250);
   digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(13,LOW);
  delay(250);
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(12,LOW);
  delay(250);
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(12,LOW);
  delay(250);
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(11,LOW);
  delay(250);
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  delay(500);
  digitalWrite(12,LOW);
  delay(250);
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(11,LOW);
  delay(250);
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  delay(500);
  digitalWrite(11,LOW);
  delay(250);
}