void setup() {
 pinMode(12, OUTPUT);
digitalWrite(12, HIGH);
delay(1000);
digitalWrite(12, LOW);
delay(1000);



void loop() {
   digitalWrite(12, HIGH);
delay(1000);
digitalWrite(11, HIGH);
delay(1000);
digitalWrite(10, HIGH);
delay(1000);
digitalWrite(9, HIGH);
delay(1000,);
digitalWrite(8, HIGH);
delay(1000);
digitalWrite(8, LOW);
delay(1000);
digitalWrite(9, LOW);
delay(1000);
digitalWrite(10, LOW);



}