1111

#define FIRST_LED_PIN  2
#define LAST_LED_PIN   11

void setup()
{
  for (int pin = FIRST_LED_PIN; pin <= LAST_LED_PIN; ++pin)
    pinMode(pin, OUTPUT);
}

void loop()
{
  unsigned int ms = millis();
  for (unsigned int pin = FIRST_LED_PIN, ms; pin <= LAST_LED_PIN, ms = millis(); pin = FIRST_LED_PIN + (ms / 120) % 10)
  {
  digitalWrite(pin, HIGH);
  delay(10);
  digitalWrite(pin, LOW);
}
}