void turnOFF() {
  for (int pinID = 2; pinID < 10; ++pinID) {
    delay(1000);
    digitalWrite(pinID, HIGH);
  }
}

void setup() {
  for (int pinID = 9; pinID > 1; --pinID) {
    delay(500);
    pinMode(pinID, OUTPUT);
  }
}

void loop() {
  turnOFF();
}