void setup() {
    pinMode(1, OUTPUT);
    pinMode(5, OUTPUT);
    pinMode(9, OUTPUT);
}

void loop() {
    digitalWrite(5, LOW);
    digitalWrite(9, LOW);
    digitalWrite(1, HIGH);
    delay(5000); 
    
    digitalWrite(1, LOW);
    digitalWrite(9, LOW);
    digitalWrite(5, HIGH);
    delay(2000); 

    digitalWrite(5, LOW);
    digitalWrite(1, LOW);
    digitalWrite(9, HIGH);
    delay(5000);    
}