void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(25, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(17, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(32, OUTPUT);
  pinMode(23, OUTPUT);
  pinMode(22, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(25, HIGH);
  digitalWrite(22, HIGH);
  digitalWrite(18,HIGH);
  delay(10000);
  digitalWrite(25, LOW);
  digitalWrite(27, HIGH);
  digitalWrite(22, HIGH);
  digitalWrite(18, HIGH);
  delay(10000);
  digitalWrite(27, LOW);
  digitalWrite(22, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(32, HIGH);
  digitalWrite(18, HIGH);
  delay(10000);
  digitalWrite(18, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(32, HIGH);
  digitalWrite(17, HIGH);
  delay(10000);
  digitalWrite(12, LOW);
  digitalWrite(17, LOW);
  digitalWrite(25, HIGH);
  digitalWrite(32, HIGH);
  digitalWrite(4, HIGH);
  delay(10000);
  digitalWrite(32, LOW);
  digitalWrite(25, HIGH);
  digitalWrite(23, HIGH);
  digitalWrite(4, HIGH);
  delay(10000);
  digitalWrite(25, HIGH);
  digitalWrite(23, LOW);
  digitalWrite(4, LOW); 
  delay(10);// this speeds up the simulation
}