void setup() {
 Serial.begin(115200);
 pinMode(32, OUTPUT);
 pinMode(26,OUTPUT); 
  pinMode(13, OUTPUT); 
  pinMode(21, OUTPUT);
   pinMode(5, OUTPUT);
    pinMode(2, OUTPUT);
}

void loop() {
 digitalWrite(32, HIGH); 
  digitalWrite(2, HIGH); 
  delay(3000);
   digitalWrite(32, LOW); 
  digitalWrite(2, LOW); 
  digitalWrite(26, HIGH); 
  digitalWrite(5, HIGH);
  delay(3000); 
  digitalWrite(26, LOW); 
    digitalWrite(5, LOW); 
    digitalWrite(13, HIGH); 
 digitalWrite(21, HIGH);
 delay(3000); 
  digitalWrite(13, LOW); 
   digitalWrite(21, LOW); 
}