OPSaucisse Lumandar 1000 Arduino/Energia/etc...

void setup() {
  for (int i = 2; i <= 13; ++i) {
    pinMode(i, OUTPUT);
  }
}

void loop() {
  for (int i = 2; i <= 13; ++i) {
    digitalWrite(i, HIGH);
  }
  delay(1700);
  for (int i = 2; i <= 13; ++i) {
    digitalWrite(i, LOW);
  }
  delay(2000);
}