void setup() {
  // put your setup code here, to run once:
  pinMode(12, OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  digitalWrite(12,1);
  delay(3000);
  digitalWrite(12,0);
  delay(0);
  digitalWrite(11,1);
  delay(1000);
  digitalWrite(11,0);
  delay(0);
  digitalWrite(10,1);
  delay(3000);
  digitalWrite(10,0);
  delay(0);


}