int led5 = 5;
int led6 = 6;
int led7 = 7;
int led8=  8;
int led9 = 9;
int time = 200;

void setup() {
  pinMode(led5, OUTPUT);
  pinMode(led6, OUTPUT);
  pinMode(led7, OUTPUT);
  pinMode(led8, OUTPUT);
  pinMode(led9, OUTPUT);
}

void loop() {
  digitalWrite(led5, HIGH);
  delay(time);
  digitalWrite(led6, HIGH);
  delay(time);
  digitalWrite(led7, HIGH);
  delay(time);
  digitalWrite(led8, HIGH);
  delay(time);
  digitalWrite(led9, HIGH);  
  delay(time);                      
  digitalWrite(led9, LOW);
  delay(time);
  digitalWrite(led8, LOW);
  delay(time);
  digitalWrite(led7, LOW);
  delay(time);
  digitalWrite(led6, LOW);
  delay(time);
  digitalWrite(led5, LOW);   
  delay(time);                     
}