void setup()
{
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
}
void loop()
{
  
    for(int i=0; i<1; i++) 
    {
      digitalWrite(11, HIGH);
      delay(500);
      digitalWrite(11, LOW);
      delay(500);
    }
      for(int i=0; i<2; i++)  
      {
        digitalWrite(12, HIGH);
        delay(600);
        digitalWrite(12, LOW);
        delay(600);
      }
      for(int i=0; i<3; i++) 
      {
        digitalWrite(13, HIGH);
        delay(700);
        digitalWrite(13, LOW);
        delay(700);
      }

      
        
  
}