void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(14,OUTPUT);
  pinMode(12,OUTPUT);
  pinMode(13,OUTPUT);
  pinMode(18,OUTPUT);
  pinMode(17,OUTPUT);
  pinMode(16,OUTPUT);
}

void loop() {
 digitalWrite(14,HIGH);
 digitalWrite(16,HIGH);
 delay(1000);
 digitalWrite(14,LOW);
 digitalWrite(16,LOW);
 delay(1000);
 digitalWrite(13,HIGH);
 digitalWrite(17,HIGH);
 delay(1000);
 digitalWrite(13,LOW);
 digitalWrite(17,LOW);
 delay(1000);
 digitalWrite(12,HIGH);
 digitalWrite(18,HIGH);
 delay(1000);
 digitalWrite(12,LOW);
 digitalWrite(18,LOW);
 delay(1000);
}