void setup() {
  pinMode(5, OUTPUT);
  pinMode(6,OUTPUT);
  pinMode(7,OUTPUT);
  pinMode(8,OUTPUT);
  pinMode(9,OUTPUT);
  pinMode(10,OUTPUT);
  pinMode(11,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(13,OUTPUT);
}

void loop() {

digitalWrite (5,HIGH);
delay (90);
digitalWrite (5,LOW);
digitalWrite (6,HIGH);
delay (70);
digitalWrite (6,LOW);
digitalWrite (7,HIGH);
delay (70);
digitalWrite (7,LOW);
digitalWrite (8,HIGH);
delay (70);
digitalWrite (8,LOW);
digitalWrite (9,HIGH);
delay (50);
digitalWrite (9,LOW);
digitalWrite (10,HIGH);
delay (70);
digitalWrite (10,LOW);
digitalWrite (11,HIGH);
delay (50);
digitalWrite (11,LOW);
digitalWrite (12,HIGH);
delay (70);
digitalWrite (12,LOW);
digitalWrite (13,HIGH);
delay (90);
digitalWrite(13,LOW);
digitalWrite(12,HIGH);
delay (70);
digitalWrite (12,LOW);
digitalWrite (11,HIGH);
delay (70);
digitalWrite (11,LOW);
digitalWrite (10,HIGH);
delay (70);
digitalWrite (10,LOW);
digitalWrite (9,HIGH);
delay (70);
digitalWrite (9,LOW);
digitalWrite (8,HIGH);
delay (70);
digitalWrite (8,LOW);
digitalWrite (7,HIGH);
delay (70);
digitalWrite (7,LOW);
digitalWrite (6,HIGH);
delay (70);
digitalWrite (6,LOW);
}