const int led1 = 2; 
const int led2 = 3; 
const int led3 = 4; 
const int led4 = 8; 
const int led5 = 9; 
const int led6 = 10;

 void setup() {
  pinMode(led1 ,OUTPUT);
  pinMode(led2 ,OUTPUT);
  pinMode(led3 ,OUTPUT);
  pinMode(led4 ,OUTPUT);
  pinMode(led5 ,OUTPUT);
  pinMode(led6 ,OUTPUT);

}

void loop() {

  digitalWrite( led1,1);
  digitalWrite(led6,1);
   delay(1500);
   digitalWrite( led1,0);
   delay(500);
   digitalWrite(led1,1);
   delay(500);
   digitalWrite(led1,0);
   delay(500);
   digitalWrite(led1,1);
   delay(500);
   digitalWrite(led1,0);
   delay(500);
   digitalWrite(led1,1);
   delay(500);
   digitalWrite(led1,0);
   delay(500);
   digitalWrite( led2,1);
   delay(1500);
   digitalWrite( led6,0);
  digitalWrite(led2,0);
  delay(1500);
  digitalWrite( led3,1);
  digitalWrite(led4,1);
  delay(1500);
  digitalWrite( led4,0);
   delay(500);
   digitalWrite(led4,1);
   delay(500);
   digitalWrite(led4,0);
   delay(500);
   digitalWrite(led4,1);
   delay(500);
   digitalWrite(led4,0);
   delay(500);
   digitalWrite(led4,1);
   delay(500);
   digitalWrite(led4,0);
   delay(500);
digitalWrite(led5,1);
delay(1500);
digitalWrite( led3,0);
  digitalWrite(led5,0);
   delay(1500);
   



  
  
  // put your main code here, to run repeatedly:

}