void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("LED ON");
  pinMode(14, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(23, OUTPUT);
  pinMode(22, OUTPUT);
  pinMode(21, OUTPUT);

}

void loop() {
  digitalWrite(14, HIGH);
  digitalWrite(23, HIGH);
  Serial.println("LED ON RED&GREEN");

  // put your main code here, to run repeatedly:
  delay(4000); // this speeds up the simulation
  digitalWrite(14, LOW);
  digitalWrite(23, LOW);
  Serial.println("LED OFF RED& GREEN");
  delay(1000);
  digitalWrite(13, HIGH);
  digitalWrite(22, HIGH);
  Serial.println("LED ON 2 YELLOW");
  delay(1000);
  digitalWrite(13, LOW);
  digitalWrite(22, LOW);
  Serial.println("LED OFF 2 YELLOW");
  delay(1000);
  digitalWrite(12, HIGH);
  digitalWrite(21, HIGH);
  Serial. println("LED ON GREEN&RED");
  delay(4000);
  digitalWrite(12, LOW);
  digitalWrite(21, LOW);
  Serial.println("LDE OFF GREEN&RED");
  delay(1000);
}