void setup() {
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(9,HIGH);
  pinMode(10,HIGH);
  pinMode(11,HIGH);
  // put your setup code here, to run once:

}

void loop() {
  digitalWrite(11,LOW);
  digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  delay(500);
  digitalWrite(11,LOW);
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  delay(500);
  digitalWrite(11,HIGH);
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  delay(500);
  digitalWrite(11,HIGH);
  digitalWrite(10, LOW);
  digitalWrite(9,LOW);
  delay(500);
  digitalWrite(11,HIGH);
  digitalWrite(10, HIGH);
  digitalWrite(9,LOW);
  delay(500);
  digitalWrite(11,LOW);
  digitalWrite(10, HIGH);
  digitalWrite(9,LOW);
  delay(500);
  



  // put your main code here, to run repeatedly:

}