void setup() {

  for (int i = 2;i <= 8;i++){
    pinMode(i, OUTPUT);

  }
}

void loop() {

  int Acht[7] = {4,5,2,8,7,6,3};

  for (int i = 0; i <= 6 ; i++ ){
    digitalWrite(Acht[i], HIGH);
    delay(200);
  }
 
}