int count;
void setup() {
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  // put your setup code here, to run once:
  count=3;
}

void loop() {
  while(1)
  // put your main code here, to run repeatedly:
{
  digitalWrite(13,1);delay(1000/7);
  digitalWrite(13,0);
  digitalWrite(12,1);delay(1000/7);
  digitalWrite(12,0);
  digitalWrite(11,1);delay(1000/7);
  digitalWrite(11,0);
  digitalWrite(10,1);delay(1000/7);
  digitalWrite(10,0);
  digitalWrite(9,1);delay(1000/7);
  digitalWrite(9,0);
  digitalWrite(8,1);delay(1000/7);
  digitalWrite(8,0);
  digitalWrite(7,1);delay(1000/7);
  digitalWrite(7,0);
  digitalWrite(6,1);delay(1000/7);
  digitalWrite(6,0);

}
}