Circular led display

int timer = 200;
void setup()
{
  for(int thisPin = 2;thisPin < 6;thisPin ++){
    pinMode(thisPin,OUTPUT);
  }
}
void loop(){
  for (int thisPin = 2;thisPin < 6;thisPin ++){
    digitalWrite(thisPin,HIGH);
    delay(timer);
    digitalWrite(thisPin,LOW);
  }
  //for (int thisPin = 7;thisPin >= 2;thisPin ++){
  //  digitalWrite(thisPin,HIGH);
   // delay(timer);
 //   digitalWrite(thisPin,LOW);
//  }
}