void setup() {
  // put your setup code here, to run once:
for(int i=2;i<10;i++)
    pinMode(i, OUTPUT);

}

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


  for(int i=2;i<=9;i++)
  {
      digitalWrite(i, HIGH);  
      delay(250);
      digitalWrite(i, LOW);
  }






}