int hijau=13;
int kuning=12;
int merah=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() {

pinMode(hijau,OUTPUT);
pinMode(kuning,OUTPUT);
pinMode(merah,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(hijau,HIGH);
digitalWrite(kuning,HIGH);
digitalWrite(merah,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(hijau,LOW);
digitalWrite(kuning,LOW);
digitalWrite(merah,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() {
digitalWrite(hijau2, HIGH);
digitalWrite(merah, HIGH);
digitalWrite(hijau4, HIGH);
digitalWrite(merah3, HIGH);
delay(5000);
digitalWrite(kuning, HIGH);
digitalWrite(kuning3, HIGH);
delay(2000);
digitalWrite(kuning, LOW);
digitalWrite(kuning3, LOW);
digitalWrite(hijau2, LOW);
digitalWrite(merah, LOW);
digitalWrite(hijau4, LOW);
digitalWrite(merah3, LOW);
delay(2000);

digitalWrite(hijau, HIGH);
digitalWrite(merah2, HIGH);
digitalWrite(hijau3, HIGH);
digitalWrite(merah4, HIGH);
delay(5000);
digitalWrite(kuning4, LOW);
digitalWrite(kuning2, LOW);

}