void setup() {
  Serial.begin(9600);
  randomSeed(analogRead(0));
}

void loop() {
  Serial.print("random (4, 11): ");
  Serial.println(random(4, 11));
  Serial.print("random (5, 11): ");
  Serial.println(random(5, 11));
  Serial.println();
  delay(3000);
}