int merah1 = 4;
int kuning1 = 3;
int hijau1 = 2;

int merah2 = 7;
int kuning2 = 6;
int hijau2 = 5;

int merah3 = 10;
int kuning3 = 9;
int hijau3 = 8;

int merah4 = 13;
int kuning4 = 12;
int hijau4 = 11;

void setup () {
  pinMode (merah1, OUTPUT);
  pinMode (kuning1, OUTPUT);
  pinMode (hijau1, OUTPUT);
  
  pinMode (merah2, OUTPUT);
  pinMode (kuning2, OUTPUT);
  pinMode (hijau2, OUTPUT);

  pinMode (merah3, OUTPUT);
  pinMode (kuning3, OUTPUT);
  pinMode (hijau3, OUTPUT);

  pinMode (merah4, OUTPUT);
  pinMode (kuning4, OUTPUT);
  pinMode (hijau4, OUTPUT);
}

void loop () {
  delay (1000);
  digitalWrite (merah1, HIGH); 
  digitalWrite (merah3, HIGH); 
  digitalWrite (merah4, HIGH); 
  digitalWrite (hijau2, HIGH); 
  
  delay(4000);
  digitalWrite (merah1, LOW); 
  digitalWrite (merah3, LOW); 
  digitalWrite (merah4, LOW); 
  digitalWrite (hijau2, LOW); 

  digitalWrite (merah1, HIGH); digitalWrite (hijau2, LOW);
  digitalWrite (kuning2, HIGH);
  digitalWrite (merah3, HIGH); 
  digitalWrite (merah4, HIGH); 

  delay(1000);
  
  digitalWrite (kuning1, HIGH); digitalWrite (merah1, LOW);
  digitalWrite (merah2, HIGH); digitalWrite (kuning2, LOW);
  digitalWrite (merah3, HIGH);
  digitalWrite (merah4, HIGH);

  delay(1000);
  digitalWrite (hijau1, HIGH); digitalWrite (kuning1, LOW);
  digitalWrite (merah2, HIGH); digitalWrite (kuning2, LOW);
  digitalWrite (merah3, HIGH);
  digitalWrite (merah4, HIGH);

  delay(4000);
  digitalWrite (kuning1, HIGH); digitalWrite (hijau1, LOW); 
  digitalWrite (merah2, HIGH);
  digitalWrite (merah3, HIGH); 
  digitalWrite (merah4, HIGH); 

  delay(1000);
  digitalWrite (merah1, HIGH); digitalWrite (kuning1, LOW);
  digitalWrite (merah2, HIGH); digitalWrite (merah4, LOW);
  digitalWrite (merah3, HIGH);
  digitalWrite (kuning4, HIGH);

  delay(1000);
  digitalWrite (merah1, HIGH); digitalWrite (kuning4, LOW);
  digitalWrite (merah2, HIGH); 
  digitalWrite (merah3, HIGH);
  digitalWrite (hijau4, HIGH); 

  delay(4000);
  digitalWrite (merah1, HIGH); digitalWrite (hijau4, LOW); 
  digitalWrite (merah2, HIGH);
  digitalWrite (merah3, HIGH); 
  digitalWrite (kuning4, HIGH); 
 
  delay(1000);
  digitalWrite (merah1, HIGH); digitalWrite (merah3, LOW); 
  digitalWrite (merah2, HIGH); digitalWrite (kuning4, LOW);
  digitalWrite (merah4, HIGH); 
  digitalWrite (kuning3, HIGH); 
 
  delay(1000);
  digitalWrite (merah1, HIGH); digitalWrite (merah3, LOW); 
  digitalWrite (merah2, HIGH); digitalWrite (kuning3, LOW);
  digitalWrite (merah4, HIGH); 
  digitalWrite (hijau3, HIGH); 
 
  delay(4000);
  digitalWrite (merah1, HIGH); digitalWrite (hijau3, LOW);
  digitalWrite (merah2, HIGH); 
  digitalWrite (merah4, HIGH);
  digitalWrite (kuning3, HIGH); 

  delay(1000);
  digitalWrite (merah1, HIGH); digitalWrite (merah2, LOW);
  digitalWrite (merah3, HIGH); digitalWrite (kuning3, LOW);
  digitalWrite (merah4, HIGH);
  digitalWrite (kuning2, HIGH); 

  delay(1000);
  digitalWrite (merah1, HIGH); digitalWrite (kuning2, LOW);
  digitalWrite (merah3, HIGH);
  digitalWrite (merah4, HIGH);
  digitalWrite (hijau2, HIGH); 
}