int Led = 2;

void setup() {
  pinMode(Led, OUTPUT);
  Serial.begin(115200);
}

void loop() {
  for(int x=0;x<3; x++){
    digitalWrite(Led, LOW);
     delay(300);     
     digitalWrite(Led, HIGH);
     delay(200);
     Serial.println(x);
  }
  delay(400);

  for(int x=0;x<3; x++){
      digitalWrite(Led, LOW);
      delay(400);     
      digitalWrite(Led, HIGH);
      delay(800);
      Serial.println(x);
    }
    delay(5000);
}