const int JML_LED = 12;
const int PENGALI = 20;
const int WAKTU_JEDA1 = 100;
const int WAKTU_JEDA2 = 20;
const int WAKTU_JEDA3 = 5;

void setup() {
  // put your setup code here, to run once:
  for(int i=2; i<=13; i++){
    pinMode(i, OUTPUT);
  }

}

void loop() {
  // put your main code here, to run repeatedly:

  digitalWrite(13,HIGH);
  delay(WAKTU_JEDA1);
  digitalWrite(12,HIGH);
  delay(WAKTU_JEDA1);

  for(int i=11; i>=2; i--){
    digitalWrite(i,HIGH);
    digitalWrite(i+2,LOW);
    delay(WAKTU_JEDA1);
  }
  
  digitalWrite(3,LOW);
  delay(WAKTU_JEDA1);
  digitalWrite(2,LOW);
  delay(WAKTU_JEDA1);
  
  digitalWrite(2,HIGH);
  delay(WAKTU_JEDA1);
  digitalWrite(3,HIGH);
  delay(WAKTU_JEDA1);

  for(int i=4; i<=13; i++){
    digitalWrite(i,HIGH);
    digitalWrite(i-2,LOW);
    delay(WAKTU_JEDA1);
  }
  
  digitalWrite(12,LOW);
  delay(WAKTU_JEDA1);
  digitalWrite(13,LOW);
  delay(WAKTU_JEDA1);
}