int hijau1=13;
int kuning1=12;
int merah1=11;
int hijau2=10;
int kuning2=9;
int merah2=8;
int hijau3=7;
int kuning3=6;
int merah3=5;
int hijau4=4;
int kuning4=3;
int merah4=2;

void setup() {
  // put your setup code here, to run once:
pinMode(hijau1,OUTPUT);
pinMode(kuning1,OUTPUT);
pinMode(merah1,OUTPUT);
pinMode(hijau2,OUTPUT);
pinMode(kuning2,OUTPUT);
pinMode(merah2,OUTPUT);
pinMode(hijau3,OUTPUT);
pinMode(kuning3,OUTPUT);
pinMode(merah3,OUTPUT);
pinMode(hijau4,OUTPUT);
pinMode(kuning4,OUTPUT);
pinMode(merah4,OUTPUT);

digitalWrite(hijau1, HIGH);
digitalWrite(kuning1,HIGH);
digitalWrite(merah1,HIGH);
digitalWrite(hijau2,HIGH);
digitalWrite(kuning2,HIGH);
digitalWrite(merah2,HIGH);
digitalWrite(hijau3,HIGH);
digitalWrite(kuning3,HIGH);
digitalWrite(merah3,HIGH);
digitalWrite(hijau4,HIGH);
digitalWrite(kuning4,HIGH);
digitalWrite(merah4,HIGH);
delay(2000); 

digitalWrite(hijau1,LOW);
digitalWrite(kuning1,LOW);
digitalWrite(merah1,LOW);
digitalWrite(hijau2,LOW);
digitalWrite(kuning2,LOW);
digitalWrite(merah2,LOW);
digitalWrite(hijau3,LOW);
digitalWrite(kuning3,LOW);
digitalWrite(merah3,LOW);
digitalWrite(hijau4,LOW);
digitalWrite(kuning4,LOW);
digitalWrite(merah4,LOW);

}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(hijau1, LOW);
digitalWrite(hijau3, LOW);
digitalWrite(merah4,LOW);
digitalWrite(kuning1, LOW);
digitalWrite(kuning3, LOW);
digitalWrite(kuning4, LOW);
digitalWrite(merah1, HIGH);
digitalWrite(merah3, HIGH);
digitalWrite(hijau4,HIGH);
delay(6000);
digitalWrite(kuning1, HIGH);
digitalWrite(kuning3, HIGH);
digitalWrite(kuning4, HIGH);
delay(2000);
digitalWrite(merah1, LOW);
digitalWrite(merah3,LOW);
digitalWrite(hijau4, LOW);
digitalWrite(kuning1, LOW);
digitalWrite(kuning3, LOW);
digitalWrite(kuning4, LOW);
digitalWrite(hijau1, HIGH);
digitalWrite(hijau3, HIGH);
digitalWrite(merah4,HIGH);
delay(6000);
digitalWrite(kuning1, HIGH);
digitalWrite(kuning3, HIGH);
digitalWrite(kuning4, HIGH);
delay(2000);
}