void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
pinMode(12,OUTPUT);
pinMode(18,OUTPUT);
pinMode(26,OUTPUT);
pinMode(2,OUTPUT);
pinMode(27,OUTPUT);
pinMode(4,OUTPUT);

}

void loop() {
  digitalWrite(12,HIGH);
  // put your main code here, to run repeatedly:
  digitalWrite(18,HIGH);
  delay(1000);
  digitalWrite(12,LOW);
  digitalWrite(18,LOW);
  delay(1000);
  digitalWrite(26,HIGH);
  digitalWrite(2,HIGH);
  delay(1000);
  digitalWrite(26,LOW);
  digitalWrite(2,LOW);
  delay(1000);
  digitalWrite(27,HIGH);
  digitalWrite(4,HIGH);
delay(1000);
digitalWrite(27,LOW);
digitalWrite(4,LOW);
delay(1000);


}