int ledm1=2;
int ledk1=3;
int ledh1=4;

int ledm2=5;
int ledk2=6;
int ledh2=7;

int ledm3=8;
int ledk3=9;
int ledh3=10;

int ledm4=11;
int ledk4=12;
int ledh4=13;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);

pinMode(ledm1, OUTPUT);
pinMode(ledk1, OUTPUT);
pinMode(ledh1, OUTPUT);

pinMode(ledm2, OUTPUT);
pinMode(ledk2, OUTPUT);
pinMode(ledh2, OUTPUT);

pinMode(ledm3, OUTPUT);
pinMode(ledk3, OUTPUT);
pinMode(ledh3, OUTPUT);

pinMode(ledm4, OUTPUT);
pinMode(ledk4, OUTPUT);
pinMode(ledh4, OUTPUT);
}

void loop() {
jalan_1();
jalan_2();
jalan_3();
jalan_4();
}

void jalan_1() {
  digitalWrite(ledm1, LOW); 
  digitalWrite(ledh1, HIGH);
  delay(2000);

  digitalWrite(ledh1, LOW);
  digitalWrite(ledk1, HIGH);
  delay(1000);

  digitalWrite(ledk1, LOW);
  digitalWrite(ledm1, HIGH);
  delay(1000);
}

void jalan_2() {
  digitalWrite(ledm2, LOW);
  digitalWrite(ledh2, HIGH);
  delay(2000);

  digitalWrite(ledh2, LOW);
  digitalWrite(ledk2, HIGH);
  delay(1000);

  digitalWrite(ledk2, LOW);
  digitalWrite(ledm2, HIGH);
  delay(1000);
}

void jalan_3() {
  digitalWrite(ledm3, LOW);
  digitalWrite(ledh3, HIGH);
  delay(2000);

  digitalWrite(ledh3, LOW);
  digitalWrite(ledk3, HIGH);
  delay(1000);

  digitalWrite(ledk3, LOW);
  digitalWrite(ledm3, HIGH);
  delay(1000);
}

void jalan_4() {
  digitalWrite(ledm4, LOW);
  digitalWrite(ledh4, HIGH);
  delay(2000);

  digitalWrite(ledh4, LOW);
  digitalWrite(ledk4, HIGH);
  delay(1000);

  digitalWrite(ledk4, LOW);
  digitalWrite(ledm4, HIGH);
  delay(1000);
}