void setup() {
 pinMode(12, OUTPUT);
 

}

void loop() {
digitalWrite(12,HIGH);
digitalWrite(11, LOW);
digitalWrite(10,LOW);
delay(6000);
digitalWrite(12,LOW);
digitalWrite(11, HIGH);
digitalWrite(10,LOW);
delay(4000);
digitalWrite(12,LOW);
digitalWrite(11, LOW);
digitalWrite(10,HIGH);
delay(9000);


}