void setup() {
  Serial.begin(115200);
  pinMode(32,OUTPUT);
  pinMode(14,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(21,OUTPUT);
  pinMode(4,OUTPUT);
  pinMode(2,OUTPUT);
}

void loop(){
  digitalWrite(32,HIGH);
  digitalWrite(21,HIGH);
  delay(1000);
  digitalWrite(32, LOW);
  digitalWrite(21, LOW);
  delay(1000);
  digitalWrite(14, HIGH);
  digitalWrite(4, HIGH);
  delay(1000);
  digitalWrite(14, LOW);
  digitalWrite(4, LOW);
  delay(1000);
  digitalWrite(12, HIGH);
  digitalWrite(2, HIGH);
  delay(1000);
  digitalWrite(12, LOW);
  digitalWrite(2, LOW);
  delay(1000);
}