// on,off,off,off
//off,on,off,off
//off,off,on,off
//off,off,off,on
//on,on,off,off
//off,on,on,off
//off,off,on,on//



void setup() {
pinMode(13, OUTPUT);
pinMode(12, OUTPUT);
pinMode(11, OUTPUT);
pinMode(10, OUTPUT);




  
}

void loop() {

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


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


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


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


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


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



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








}