int merah=13;
int kuning=12;
int hijau=11;
int merah2=10;
int kuning2=9;
int hijau2=8;

void setup() {
pinMode(merah,OUTPUT);
pinMode(kuning,OUTPUT);
pinMode(hijau,OUTPUT);
pinMode(merah2,OUTPUT);
pinMode(kuning2,OUTPUT);
pinMode(hijau2,OUTPUT);

digitalWrite(merah,HIGH);
digitalWrite(kuning,HIGH);
digitalWrite(hijau,HIGH);
digitalWrite(merah2,HIGH);
digitalWrite(kuning2,HIGH);
digitalWrite(hijau2,HIGH);
delay(2000);

digitalWrite(merah,LOW);
digitalWrite(kuning,LOW);
digitalWrite(hijau,LOW);
digitalWrite(merah2,LOW);
digitalWrite(kuning2,LOW);
digitalWrite(hijau2,LOW);
}

void loop() {
  digitalWrite(hijau,HIGH);
digitalWrite(merah2,HIGH);
delay(45000);

digitalWrite(hijau,LOW);
digitalWrite(kuning,HIGH);
delay(15000);

digitalWrite(kuning,LOW);
digitalWrite(merah,HIGH);
digitalWrite(merah2,LOW);
digitalWrite(hijau2,HIGH);
delay(45000);

digitalWrite(hijau2,LOW);
digitalWrite(kuning2,HIGH);
delay(15000);

digitalWrite(merah,LOW);
digitalWrite(kuning2,LOW);
}