int    Led1=8;
int    Led2=9;
int    Led3=10;

void  setup(           ){
  pinMode( Led1, OUTPUT);     
  pinMode( Led2  , OUTPUT);
  pinMode( Led3 , OUTPUT);
  digitalWrite(     Led1, HIGH);
  digitalWrite(     Led2, LOW);
  digitalWrite(     Led3, LOW);
  
}

void  loop()    {
  digitalWrite(     Led1, LOW);
  digitalWrite(     Led2,LOW);
  digitalWrite(      Led3, HIGH);
  delay(5000);

  digitalWrite(     Led2, HIGH);
  digitalWrite(Led2,HIGH);
  digitalWrite(     Led2, LOW);
  digitalWrite(Led2, LOW);
  delay(1000);

  digitalWrite(     Led2, HIGH);
  digitalWrite(Led2,HIGH);
  digitalWrite(     Led2, LOW);
  digitalWrite(Led2, LOW);
  delay(1000);

  digitalWrite(      Led1, HIGH);
  digitalWrite(     Led2,LOW);
  digitalWrite(     Led3, LOW);
  delay(  3000);
}