void setup() {
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(2, OUTPUT);
}

// Note: Lampu hijau nyala selama 5 detik, lampu kuning nyala selama 2 detik

void loop() {
  // Lalu lintas kanan hijau
  digitalWrite(7, LOW);
  digitalWrite(6, LOW);
  digitalWrite(5, HIGH);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(5000);


  // Pergantian lalu lintas, lalu lintas bawah hijau
  // Lalu lintas kanan kuning
  digitalWrite(7, LOW);
  digitalWrite(6, HIGH);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite(6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(200);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite(6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah kuning
  digitalWrite(4, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah hijau
  digitalWrite(4, LOW);
  digitalWrite(3, LOW);
  digitalWrite(2, HIGH);
  delay(5000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah kuning
  digitalWrite(4, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(200);


  // Pergantian lalu lintas, lalu lintas kiri hijau
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri kuning
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri hijau
  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(5000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri kuning
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(200);

  // Pergantian lalu lintas, lalu lintas atas hijau
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas kuning
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas hijau
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, HIGH);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(5000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas kuning
  digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(2000);
  // Lalu lintas kanan merah
  digitalWrite(7, HIGH);
  digitalWrite( 6, LOW);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(200);


  // Pergantian lalu lintas, lalu lintas kanan hijau
  // Lalu lintas kanan kuning
  digitalWrite(7, LOW);
  digitalWrite( 6, HIGH);
  digitalWrite(5, LOW);
  // Lalu lintas kiri merah
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
  // Lalu lintas atas merah
  digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  // Lalu lintas bawah merah
  digitalWrite(4, HIGH);
  digitalWrite(3, LOW);
  digitalWrite(2, LOW);
  delay(2000);
}