void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);

  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(16, OUTPUT);
  pinMode(17, OUTPUT);
  pinMode(25, OUTPUT);
  pinMode(26, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(32, OUTPUT);
}

void loop() {

  digitalWrite(12, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(12, LOW);
  digitalWrite(13, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(13, LOW);
  digitalWrite(14, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(14, LOW);
  digitalWrite(15, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(15, LOW);
  digitalWrite(16, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(16, LOW);
  digitalWrite(17, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(17, LOW);
  digitalWrite(25, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(25, LOW);
  digitalWrite(26, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(26, LOW);
  digitalWrite(27, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(27, LOW);
  digitalWrite(32, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(32, LOW);
  digitalWrite(27, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(27, LOW);
  digitalWrite(26, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(26, LOW);
  digitalWrite(25, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(25, LOW);
  digitalWrite(17, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(17, LOW);
  digitalWrite(16, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(16, LOW);
  digitalWrite(15, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(15, LOW);
  digitalWrite(14, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(14, LOW);
  digitalWrite(13, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(13, LOW);
  digitalWrite(12, HIGH);
  Serial.println("LED ON");
  delay(300);
  Serial.println("LED OFF");
  digitalWrite(12, LOW);
  
}