void setup() {
  // Inisialisasi PIN dan MODE
  // UTARA
  pinMode(1, OUTPUT); // pin 1 = Merah
  pinMode(2, OUTPUT); // pin 2 = Kuning
  pinMode(3, OUTPUT); // pin 3 = Hijau
  // TIMUR
  pinMode(4, OUTPUT); // pin 4 = Merah
  pinMode(5, OUTPUT); // pin 5 = Kuning
  pinMode(6, OUTPUT); // pin 6 = Hijau
  // SELATAN
  pinMode(7, OUTPUT); // pin 7 = Merah
  pinMode(8, OUTPUT); // pin 8 = Kuning
  pinMode(9, OUTPUT); // pin 9 = Hijau
  // BARAT
  pinMode(10, OUTPUT); // pin 10 = Merah
  pinMode(11, OUTPUT); // pin 11 = Kuning
  pinMode(12, OUTPUT); // pin 12 = Hijau
}

void Utara_Hijau()
{
 // UTARA
 digitalWrite(1, LOW);
 digitalWrite(2, LOW);
 digitalWrite(3, HIGH);
 // TIMUR
 digitalWrite(4, HIGH);
 digitalWrite(5, LOW);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);

 delay(5000);
}

void Utara_Kuning()
{
 // UTARA
 digitalWrite(1, LOW);
 digitalWrite(2, HIGH);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, HIGH);
 digitalWrite(5, LOW);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);

 delay(2000);
}

void Timur_Kuning()
{
  // UTARA
 digitalWrite(1, HIGH);
 digitalWrite(2, LOW);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, LOW);
 digitalWrite(5, HIGH);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);

 delay(2000);
}

void Timur_Hijau()
{
 // UTARA
 digitalWrite(1, HIGH);
 digitalWrite(2, LOW);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, LOW);
 digitalWrite(5, LOW);
 digitalWrite(6, HIGH);
 // SELATAN
 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);

 delay(5000);
}

void Selatan_Kuning()
{
 // UTARA
 digitalWrite(1, HIGH);
 digitalWrite(2, LOW);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, HIGH);
 digitalWrite(5, LOW);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, LOW);
 digitalWrite(8, HIGH);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);

 delay(2000);
}

void Selatan_Hijau()
{
 // UTARA
 digitalWrite(1, HIGH);
 digitalWrite(2, LOW);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, HIGH);
 digitalWrite(5, LOW);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, LOW);
 digitalWrite(8, LOW);
 digitalWrite(9, HIGH);
 // BARAT
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);

 delay(2000);
}

void Barat_Kuning()
{
 // UTARA
 digitalWrite(1, HIGH);
 digitalWrite(2, LOW);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, HIGH);
 digitalWrite(5, LOW);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, LOW);
 digitalWrite(11, HIGH);
 digitalWrite(12, LOW);

 delay(2000);
}

void Barat_Hijau()
{
 // UTARA
 digitalWrite(1, HIGH);
 digitalWrite(2, LOW);
 digitalWrite(3, LOW);
 // TIMUR
 digitalWrite(4, HIGH);
 digitalWrite(5, LOW);
 digitalWrite(6, LOW);
 // SELATAN
 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, LOW);
 // BARAT
 digitalWrite(10, LOW);
 digitalWrite(11, LOW);
 digitalWrite(12, HIGH);

 delay(5000);
}
void loop() {
  Utara_Hijau();
  Utara_Kuning();
  Timur_Kuning();
  Timur_Hijau();
  Timur_Kuning();
  Selatan_Kuning();
  Selatan_Hijau();
  Selatan_Kuning();
  Barat_Kuning();
  Barat_Hijau();
  Barat_Kuning();
  Utara_Kuning();
}