void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(13, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(23, OUTPUT);
  pinMode(22, OUTPUT);
  pinMode(21, OUTPUT);
  //4
  pinMode(27, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, OUTPUT);
}

void loop() {
  digitalWrite(13, HIGH);
  digitalWrite(21, HIGH);
  delay(2000); 
  digitalWrite(13, LOW);
  digitalWrite(21, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(22, HIGH);
  delay(2000); 
  digitalWrite(12, LOW);
  digitalWrite(22, LOW);
  digitalWrite(14, HIGH);
  digitalWrite(23, HIGH);
  delay(2000); 
  digitalWrite(14, LOW);
  digitalWrite(23, LOW);
  //4
  digitalWrite(21, HIGH);
  digitalWrite(27, HIGH);
  digitalWrite(13, HIGH);
  digitalWrite(5, HIGH);
  delay(2500); 
  digitalWrite(21, LOW);
  digitalWrite(27, LOW);
  digitalWrite(13, LOW);
  digitalWrite(5, LOW);
  delay(10); 
  digitalWrite(12, LOW);
  digitalWrite(14, LOW);
  digitalWrite(23, LOW);
  digitalWrite(22, LOW);
  digitalWrite(26, LOW);
  digitalWrite(25, LOW);
  digitalWrite(4, LOW);
  digitalWrite(2, LOW);
  delay(2500); 
  //4
  digitalWrite(13, HIGH);
  digitalWrite(23, HIGH);
  digitalWrite(25, HIGH);
  digitalWrite(5, HIGH);
  delay(3500); 
   digitalWrite(13, LOW);
  digitalWrite(23, LOW);
  digitalWrite(25, LOW);
  digitalWrite(5, LOW);
  delay(10); 
  digitalWrite(12, LOW);
  digitalWrite(14, LOW);
  digitalWrite(22, LOW);
  digitalWrite(21, LOW);
  digitalWrite(27, LOW);
  digitalWrite(26, LOW);
  digitalWrite(4, LOW);
  digitalWrite(2, LOW);
  delay(3500); 
  //4
  digitalWrite(2, HIGH);
  digitalWrite(27, HIGH);
  digitalWrite(23, HIGH);
  digitalWrite(13, HIGH);
  delay(4500); 
  digitalWrite(2, LOW);
  digitalWrite(27, LOW);
  digitalWrite(23, LOW);
  digitalWrite(13, LOW);
  delay(10);
  digitalWrite(12, LOW);
  digitalWrite(14, LOW);
  digitalWrite(22, LOW);
  digitalWrite(21, LOW);
  digitalWrite(26, LOW);
  digitalWrite(25, LOW);
  digitalWrite(5, LOW);
  digitalWrite(4, LOW);
  delay(4500); 

}