void setup() {
 pinMode(12, OUTPUT);
 pinMode(14, OUTPUT);
 pinMode(27, OUTPUT);
}

void loop() {
digitalWrite(12,1);
delay(1000);
digitalWrite(12,0);
delay(1000);
digitalWrite(14,1);
delay(700);
digitalWrite(14,0);
delay(700);
digitalWrite(27,1);
delay(1000);
digitalWrite(27,0);
delay(1000);
digitalWrite(14,1);
delay(700);
digitalWrite(14,0);
delay(700);
}