#define L1 26
#define L2 27
#define L3 28
#define L4 29
#define L5 6

void setup() {
  // put your setup code here, to run once:
pinMode(L1,OUTPUT);
pinMode(L2,OUTPUT);
pinMode(L3,OUTPUT);
pinMode(L4,OUTPUT);
pinMode(L5,OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:

digitalWrite(L1,HIGH);
delay(1000);
digitalWrite(L2,HIGH);
delay(1000);
digitalWrite(L3,HIGH);
delay(1000);
digitalWrite(L4,HIGH);
delay(1000);
digitalWrite(L5,HIGH);
delay(2000);

digitalWrite(L5,LOW);
delay(1000);
digitalWrite(L4,LOW);
delay(1000);
digitalWrite(L3,LOW);
delay(1000);
digitalWrite(L2,LOW);
delay(1000);
digitalWrite(L1,LOW);
delay(2000);
}