void setup() {
Serial.begin(115200);
pinMode(25, OUTPUT);
pinMode(26, OUTPUT);
pinMode(27, OUTPUT);
pinMode(21, OUTPUT);
pinMode(19, OUTPUT);
pinMode(18, OUTPUT);


}

void loop(){
  digitalWrite(25, HIGH);
  digitalWrite(21,HIGH);
  delay(10000);

  digitalWrite(25, LOW);
  digitalWrite(21, LOW);
  delay(1000);

  digitalWrite(27, HIGH);
  digitalWrite(19, HIGH);
  delay(20000);

  digitalWrite(27, LOW);
  digitalWrite(19, LOW);
  delay(1000);

  digitalWrite(26, HIGH);
  digitalWrite(18, HIGH);
  delay(10000);

  digitalWrite(26, LOW);
  digitalWrite(18, LOW);
  delay(1000);

  delay(10);
}