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

}

void loop() {
   digitalWrite(13, HIGH);
   delay(200);
   digitalWrite(12, HIGH);
   delay(150);
   digitalWrite(11, HIGH);
   delay(300);
   digitalWrite(12,LOW);
   delay(120);
   digitalWrite(13, LOW);
   delay(200);
   digitalWrite(11,LOW);
   delay(100);

}