void setup() {
  pinMode(13, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(8, OUTPUT);

  pinMode(7, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, OUTPUT);
}

void loop() {
  digitalWrite(13, LOW);
  digitalWrite(11, LOW);
  digitalWrite(8, HIGH);
  digitalWrite(7, HIGH);
  digitalWrite(4, LOW);
  digitalWrite(2, LOW);

  delay(5000);

  digitalWrite(13, LOW);
  digitalWrite(11, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  digitalWrite(4, HIGH);
  digitalWrite(2, LOW);

  delay(1000);

  digitalWrite(13, HIGH);
  digitalWrite(11, LOW);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  digitalWrite(4, LOW);
  digitalWrite(2, HIGH);

  delay(5000);

  digitalWrite(13, LOW);
  digitalWrite(11, HIGH);
  digitalWrite(8, LOW);
  digitalWrite(7, LOW);
  digitalWrite(4, HIGH);
  digitalWrite(2, LOW);

  delay(1000);
}