int RED = 11;
int GREEN = 10;
int BLUE = 9;

void setup()
{
  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
}

void loop()
{
  digitalWrite(RED, HIGH);
  digitalWrite(GREEN, HIGH);
  digitalWrite(BLUE, HIGH);
  delay(2000);
  digitalWrite(RED, LOW);
  digitalWrite(GREEN, LOW);
  digitalWrite(BLUE, LOW);
  delay(1000);

  digitalWrite(RED, HIGH);
  delay(1000);
  digitalWrite(RED, LOW);
  delay(1000);
  digitalWrite(GREEN, HIGH);
  delay(1000);
  digitalWrite(GREEN, LOW);
  delay(1000);
  digitalWrite(BLUE, HIGH);
  delay(1000);
  digitalWrite(BLUE, LOW);
  delay(1000);
}