void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 pinMode(27, OUTPUT);
 pinMode(12, OUTPUT);
 pinMode(16, OUTPUT);
 pinMode(18, OUTPUT);
 pinMode(13, OUTPUT);
 pinMode(15, OUTPUT);
 pinMode(5, OUTPUT);
}

void loop() {
  digitalWrite(27, HIGH);
  digitalWrite(5,HIGH);
  digitalWrite(18, HIGH);
  delay(1000);
  digitalWrite(27, LOW);
  digitalWrite(5, LOW);
  digitalWrite(18, LOW);
  delay(1000);
  digitalWrite(16, HIGH);
  delay(1000);
  digitalWrite(16, LOW);
  delay(1000);
  digitalWrite(13, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(12, HIGH);
  delay(1000);
  digitalWrite(13, LOW);
  digitalWrite(5, LOW);
  digitalWrite(12, LOW);
  delay(1000);
  digitalWrite(16, HIGH);
  delay(1000);
  digitalWrite(16, LOW);
  delay(1000);
  digitalWrite(27, HIGH);
  digitalWrite(13, HIGH);
  digitalWrite(15, HIGH);
  delay(1000);
  digitalWrite(27,LOW);
  digitalWrite(13,LOW);
  digitalWrite(15,LOW);
  delay(1000);
  digitalWrite(16, HIGH);
  delay(1000);
  digitalWrite(16, LOW);
  delay(1000);
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}