void setup() {
  // put your setup code here, to run once:
pinMode(1, OUTPUT);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(7, OUTPUT);
pinMode(8, OUTPUT);
pinMode(9, OUTPUT);
pinMode(10, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
    digitalWrite(1, HIGH); 
    delay(100);
    digitalWrite(1, LOW); 
    
    digitalWrite(2, HIGH);
    delay(100); 
    digitalWrite(2, LOW); 

    digitalWrite(3, HIGH);
   delay(100); 
   digitalWrite(3, LOW); 

   digitalWrite(4, HIGH); 
   
   delay(100);
   digitalWrite(4, LOW); 

    digitalWrite(5, HIGH);
    delay(100); 
    digitalWrite(5, LOW);

    digitalWrite(6, HIGH); 
    delay(100); 
    digitalWrite(6, LOW);

    digitalWrite(7, HIGH); 
    delay(100); 
    digitalWrite(7, LOW); 

    digitalWrite(8, HIGH); 
    delay(100);
    digitalWrite(8, LOW); 

    digitalWrite(9, HIGH); 
    delay(100);
    digitalWrite(9, LOW); 

    digitalWrite(10, HIGH);
    delay(100); 
    digitalWrite(10, LOW); 



      digitalWrite(10, HIGH);
    delay(100);
    digitalWrite(10, LOW); 

    digitalWrite(9, HIGH);
    delay(100); 
    digitalWrite(9, LOW); 

     digitalWrite(8, HIGH);
    delay(100); 
    digitalWrite(8, LOW);


    digitalWrite(7, HIGH); 
    delay(100); 
    digitalWrite(7, LOW);
    
    digitalWrite(6, HIGH); 
    delay(100); 
    digitalWrite(6, LOW); 
    
    digitalWrite(5, HIGH); 
    delay(100); 
    digitalWrite(5, LOW);
       digitalWrite(4, HIGH); 
   delay(100); 
   digitalWrite(4, LOW);

      digitalWrite(3, HIGH); 
   delay(100); 
    digitalWrite(3, LOW); 

      digitalWrite(2, HIGH);
    delay(100);
    digitalWrite(2, LOW); 

      digitalWrite(1, HIGH); 
    delay(100);
    digitalWrite(1, LOW); 


}