void setup() {
  pinMode(33, OUTPUT);
  pinMode(32, OUTPUT);
  pinMode(25, OUTPUT);
}

void loop() {
  for(int i=1;i<10;i++){
  digitalWrite(33,HIGH);
 delay(100);
 digitalWrite(33,LOW);
 delay(100);
  }

   for(int i=1;i<10;i++){
digitalWrite(32,HIGH);
 delay(100);
 digitalWrite(32,LOW);
 delay(100);
   }

    for(int i=1;i<10;i++){
 digitalWrite(25,HIGH);
 delay(100);
 digitalWrite(25,LOW);
 delay(100);
    }
}