int D13 = 13;
int D12 = 12;
int D14 = 14;
int D27 = 27;
int D26 = 26;
int D25 = 25;
int D33 = 33;
int D32 = 32;
int D4 = 4;

void setup() {
  pinMode(D13, OUTPUT);
  pinMode(D12, OUTPUT);
  pinMode(D14, OUTPUT);
  pinMode(D27, OUTPUT);
  pinMode(D26, OUTPUT);
  pinMode(D25, OUTPUT);
  pinMode(D33, OUTPUT);
  pinMode(D32, OUTPUT);
  pinMode(D4,INPUT_PULLUP);
}

void loop() {
  if(digitalRead(D4) == HIGH){
    encender(D13,D32);
    encender(D12,D33);
    encender(D25,D14);
    encender(D26,D27);
    
  }else{
    encender(D27,D26);
    encender(D25,D14);
    encender(D12,D33);
    encender(D13,D32);
  } 
}

void encender(int led, int led2){
  digitalWrite(led, HIGH);
  digitalWrite(led2, HIGH);
  delay(400);
  digitalWrite(led, LOW);
  digitalWrite(led2, LOW);
  delay(400);
}