const int dirPin = 5; 
const int stepPin = 6;
bool handle;

void setup() {
 pinMode(5, 1);
 pinMode(6, 1);
}

void loop() {
  digitalWrite(dirPin, 1); // arrow right
  if (handle == false){
    for (int i = 0; i < 52; i++){
      digitalWrite(stepPin, 1); delay(15);
      digitalWrite(stepPin, 0); delay(15);
      handle = true;
    }
  } else {
    for (int i = 0; i < 50; i++){
      digitalWrite(stepPin, 1); delay(15);
      digitalWrite(stepPin, 0); delay(15);
    }
  }
  delay(1500);
  for (int i = 0; i < 50; i++){
    digitalWrite(stepPin, 1); delay(15);
    digitalWrite(stepPin, 0); delay(15);
  }
  delay(1500);

  digitalWrite(dirPin, 0); // arrow left
  for (int i = 0; i < 100 ; i++){
    digitalWrite(stepPin, 1); delay(15);
    digitalWrite(stepPin, 0); delay(15);
  }
  delay(1500);
  for (int i = 0; i < 100 ; i++){
    digitalWrite(stepPin, 1); delay(15);
    digitalWrite(stepPin, 0); delay(15);
  }
  delay(1500);
}