void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
pinMode(0, OUTPUT);
pinMode(1, OUTPUT);
pinMode(2, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
  digitalWrite(0, HIGH);
  delay(2000);
  digitalWrite(0, LOW);
  digitalWrite(1, HIGH);
  delay(1000);
  digitalWrite(1, LOW);
  digitalWrite(2, HIGH);
  delay(2000);
  digitalWrite(2, LOW);

}