void setup() {

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

  }
}

void loop() {

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

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