void setup()
{
  pinMode(1,OUTPUT);
  pinMode(3,OUTPUT);
  pinMode(4,OUTPUT);
  pinMode(7,OUTPUT);
  pinMode(11,OUTPUT);
}

void loop()
{
  digitalWrite(1,HIGH);
  delay(d);
  digitalWrite(1,LOW);
  
  digitalWrite(3,HIGH);
  delay(d);
  digitalWrite(3,LOW);
  
  digitalWrite(4,HIGH);
  delay(d);
  digitalWrite(4,LOW);
  
  digitalWrite(7,HIGH);
  delay(d);
  digitalWrite(7,LOW);
  
  digitalWrite(11,HIGH);
  delay(d);
  digitalWrite(11,LOW);
}