void setup() {
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8,OUTPUT);
  // put your setup code here, to run once:

}

void loop() {
  digitalWrite(13, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);
  
 digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);

   digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, HIGH);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);

   digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, HIGH);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);

   digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(8, LOW);
  delay(1000);

   digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, HIGH);
  delay(1000);

 digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);


   digitalWrite(13, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(11, HIGH);
   digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  delay(1000);

  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);

  digitalWrite(13, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(11, HIGH);
  digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
delay(1000); 

digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);  
digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  delay(1000);

  digitalWrite(13, LOW);
  digitalWrite(12, LOW);
  digitalWrite(11, LOW);
   digitalWrite(10, LOW);
  digitalWrite(9, LOW);
  digitalWrite(8, LOW);
  delay(1000);

   digitalWrite(13, HIGH);
  digitalWrite(12, HIGH);
  digitalWrite(11, HIGH);
   digitalWrite(10, HIGH);
  digitalWrite(9, HIGH);
  digitalWrite(8, HIGH);
  delay(1000);
  
  // put your main code here, to run repeatedly:

}