void setup() {
  
  pinMode(12, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(27, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(27, HIGH);
  delay(2000); // this speeds up the simulation
  digitalWrite(27, LOW);
  digitalWrite(14, HIGH);
  delay(1000); // this speeds up the simulation
  digitalWrite(14, LOW);
  digitalWrite(12, HIGH);
  delay(2000); // this speeds up the simulation
  digitalWrite(12, LOW);
  delay(2000);
}