void setup()
{
  Serial.begin(115200);
  pinMode(13,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(14,OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);
}
void loop()
{
  digitalWrite(14, HIGH);
  digitalWrite(19,HIGH);

delay(3000);
  digitalWrite(14, LOW);
  digitalWrite(19, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(18, HIGH);
delay(3000);
  digitalWrite(12, LOW);
  digitalWrite(18, LOW);
  digitalWrite(13, HIGH);
  digitalWrite(5, HIGH);
  delay(3000);
  digitalWrite(14, LOW);
  digitalWrite(19, LOW);
  digitalWrite(13, LOW);
  digitalWrite(5, LOW);
}