void   setup() {
  //put your stup code here, to run once:
pinMode(1, OUTPUT);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);

}

void  loop()  {
 //put your min code here, to run repeatedly:
 digitalWrite(1, HIGH);digitalWrite(5, HIGH);digitalWrite(9, HIGH);
 digitalWrite(2, LOW);digitalWrite(6, LOW);digitalWrite(7, LOW);
 delay(500);
 digitalWrite(2, HIGH);digitalWrite(6, HIGH);digitalWrite(7, HIGH);
 digitalWrite(1, LOW);digitalWrite(5, LOW);digitalWrite(9, LOW);
 delay(500);
 digitalWrite(3, HIGH);digitalWrite(4, HIGH);digitalWrite(8, HIGH);
 digitalWrite(2, LOW);digitalWrite(6, LOW);digitalWrite(7, LOW);
 delay(500);
 digitalWrite(2, HIGH);digitalWrite(6, HIGH);digitalWrite(7, HIGH);
 digitalWrite(3, LOW);digitalWrite(4, LOW);digitalWrite(8, LOW);
 delay(500);
}