const int M1 = 1;
const int K1 = 2;
const int H1 = 3;
const int M2 = 4;
const int K2 = 5;
const int H2 = 6;
const int M3 = 7;
const int K3 = 8;
const int H3 = 9;
const int M4 = 10;
const int K4 = 11;
const int H4 = 12;



void setup() {
  // put your setup code here, to run once:
pinMode(M1, OUTPUT);
pinMode(K1, OUTPUT);
pinMode(H1, OUTPUT);
pinMode(M2, OUTPUT);
pinMode(K2, OUTPUT);
pinMode(H2, OUTPUT);
pinMode(M3, OUTPUT);
pinMode(K3, OUTPUT);
pinMode(H3, OUTPUT);
pinMode(M4, OUTPUT);
pinMode(K4, OUTPUT);
pinMode(H4, OUTPUT);
digitalWrite(M1, HIGH);
digitalWrite(M2, HIGH);
digitalWrite(M3, HIGH);
digitalWrite(M4, HIGH);
delay(2000);
}

void loop() {
  // put your main code here, to run repeatedly:
lampu_utara();
delay(1000);
lampu_timur();
delay(1000);
lampu_selatan();
delay(1000);
lampu_barat();
delay(1000);
}

void lampu_timur(){
  digitalWrite(H2, HIGH);
  digitalWrite(K2, LOW);
  digitalWrite(M2, LOW);
  delay(3000);
  digitalWrite(H2, HIGH);
  digitalWrite(K2, HIGH);
  digitalWrite(M2, LOW);
  delay(1000);
  digitalWrite(H2, LOW);
  digitalWrite(K2, HIGH);
  digitalWrite(M2, LOW);
  delay(1000);
  digitalWrite(H2, LOW);
  digitalWrite(K2, LOW);
  digitalWrite(M2, HIGH);
  delay(3000);
}


void lampu_utara(){
  digitalWrite(H1, HIGH);
  digitalWrite(K1, LOW);
  digitalWrite(M1, LOW);
  delay(3000);
  digitalWrite(H1, HIGH);
  digitalWrite(K1, HIGH);
  digitalWrite(M1, LOW);
  delay(1000);
  digitalWrite(H1, LOW);
  digitalWrite(K1, HIGH);
  digitalWrite(M1, LOW);
  delay(1000);
  digitalWrite(H1, LOW);
  digitalWrite(K1, LOW);
  digitalWrite(M1, HIGH);
  delay(3000);
}

void lampu_selatan(){
  digitalWrite(H3, HIGH);
  digitalWrite(K3, LOW);
  digitalWrite(M3, LOW);
  delay(3000);
  digitalWrite(H3, HIGH);
  digitalWrite(K3, HIGH);
  digitalWrite(M3, LOW);
  delay(1000);
  digitalWrite(H3, LOW);
  digitalWrite(K3, HIGH);
  digitalWrite(M3, LOW);
  delay(1000);
  digitalWrite(H3, LOW);
  digitalWrite(K3, LOW);
  digitalWrite(M3, HIGH);
  delay(3000);
}

void lampu_barat(){
  digitalWrite(H4, HIGH);
  digitalWrite(K4, LOW);
  digitalWrite(M4, LOW);
  delay(3000);
  digitalWrite(H4, HIGH);
  digitalWrite(K4, HIGH);
  digitalWrite(M4, LOW);
  delay(1000);
  digitalWrite(H4, LOW);
  digitalWrite(K4, HIGH);
  digitalWrite(M4, LOW);
  delay(1000);
  digitalWrite(H4, LOW);
  digitalWrite(K4, LOW);
  digitalWrite(M4, HIGH);
  delay(3000);
}