int PinLED =13;

void setup() {
  // put your setup code here, to run once:
pinMode(PinLED, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(13,1);
digitalWrite(12,0);
digitalWrite(11,0);
digitalWrite(10,0);
delay(800);
digitalWrite(13,0);
digitalWrite(12,1);
digitalWrite(11,0);
digitalWrite(10,0);
delay(800);
digitalWrite(13,0);
digitalWrite(12,0);
digitalWrite(11,1);
digitalWrite(10,0);
delay(800);
digitalWrite(13,0);
digitalWrite(12,0);
digitalWrite(11,0);
digitalWrite(10,1);
delay(800);
}