void setup() {
  // put your setup code here, to run once
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(1, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  digitalWrite(2, LOW);
}
void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(9, HIGH);
digitalWrite(10,HIGH);
digitalWrite(3, HIGH);
digitalWrite(4,LOW);
digitalWrite(8,HIGH) ;
delay(8000);
digitalWrite(8,LOW);
digitalWrite(5,HIGH);
delay(2000) ;
digitalWrite(5,LOW);
digitalWrite(4,HIGH);
digitalWrite(9,LOW);
digitalWrite(13,HIGH);
delay(8000);
digitalWrite(13,LOW);
digitalWrite(11,HIGH );
delay(2000) ;
digitalWrite(11,LOW);
 digitalWrite(9,HIGH);
digitalWrite(10,LOW);
digitalWrite(1,HIGH);
delay(8000);
digitalWrite(1,LOW);
digitalWrite(12,HIGH );
delay(2000) ;
digitalWrite(12,LOW); 
digitalWrite(10,HIGH);
digitalWrite(3,LOW);
digitalWrite(7,HIGH);
delay(8000);
digitalWrite(7,LOW);
digitalWrite(6,HIGH );
delay(2000) ;
digitalWrite(6,LOW); 
digitalWrite(3,HIGH);
}