void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
 pinMode(26,OUTPUT);
 pinMode(25,OUTPUT);
 pinMode(33,OUTPUT);
 pinMode(5,OUTPUT);
 pinMode(4,OUTPUT);
 pinMode(2,OUTPUT);
 pinMode(13,OUTPUT);
 pinMode(15, OUTPUT);
 pinMode(21, OUTPUT);
   
   
}

void loop() {
  digitalWrite(26, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(21,HIGH);
  delay(2000);
  digitalWrite(26, LOW);
  digitalWrite(5, LOW);
  digitalWrite(21,LOW);
  digitalWrite(25, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(15, HIGH);
  delay(2000);
  digitalWrite(25, LOW);
  digitalWrite(4, LOW);
  digitalWrite(15, LOW);

  digitalWrite(26, HIGH);
  digitalWrite(2, HIGH);
  digitalWrite(13, HIGH);
  delay(2000);
  digitalWrite(26, LOW);
  digitalWrite(2, LOW);
  digitalWrite(13, LOW);
  
  digitalWrite(33, HIGH);
  digitalWrite(13,HIGH);
  digitalWrite(5, HIGH);
  delay(2000);
  digitalWrite(33, LOW);
  
  digitalWrite(13,LOW);
  digitalWrite(5, LOW);
  digitalWrite(25, HIGH);
  digitalWrite(4, HIGH);
  digitalWrite(15, HIGH);
  delay(2000);
  digitalWrite(25, LOW);
  digitalWrite(4, LOW);
  digitalWrite(15, LOW);
  
  // put your main 
 // this speeds up the simulation
}