void setup() {
  // put your setup code here, to run once:
pinMode(2, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(4, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(2,HIGH);
delay(130);
digitalWrite(2, LOW);
delay(130);

digitalWrite(12,HIGH);
delay(130);
digitalWrite(12, LOW);
delay(130);
digitalWrite(11,HIGH);
delay(130);
digitalWrite(11, LOW);
delay(130);

digitalWrite(4,HIGH);
delay(130);
digitalWrite(4, LOW);
delay(130);
}