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

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);
  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , HIGH );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , HIGH );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , HIGH );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , HIGH );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , HIGH );

  delay(500);

 
  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , HIGH );

  delay(500);

  digitalWrite( 10 , LOW );
  digitalWrite( 11 , LOW );
  digitalWrite( 12 , LOW );
  digitalWrite( 13 , LOW );

  delay(500);

  digitalWrite( 10 , HIGH );
  digitalWrite( 11 , HIGH );
  digitalWrite( 12 , HIGH );
  digitalWrite( 13 , HIGH );

  delay(500);
}