void setup() {        
  // put your setup code here, to run once:
pinMode(OUTPUT, 11);
pinMode(OUTPUT, 12);
pinMode(OUTPUT, 13);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(11, HIGH);
delay(3000);
digitalWrite(11, LOW);
delay(1000);
digitalWrite(12, HIGH);
delay(1000);
digitalWrite(12, LOW);
delay(1000);
digitalWrite(13, HIGH);
delay(4000);
digitalWrite(13, LOW);
delay(1000);
digitalWrite(3, HIGH);
delay(3000);
digitalWrite(3, LOW);
delay(1000);
digitalWrite(1, HIGH);
delay(3000);
digitalWrite(1, LOW);
delay(1000);
digitalWrite(2, HIGH);
delay(1000);
digitalWrite(2, LOW);
delay(1000);
}