void setup() {
  pinMode(1, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(27, OUTPUT);
  pinMode(28, OUTPUT);
  pinMode(22, OUTPUT);
}

void loop() {
  digitalWrite(5, LOW);
  digitalWrite(28, LOW);
  digitalWrite(9, HIGH);
  digitalWrite(27, HIGH);
  delay(5000);
  digitalWrite(9, LOW);
  digitalWrite(27, LOW);
  digitalWrite(5, HIGH);
  digitalWrite(28, HIGH);
  delay(5000);
  digitalWrite(5, LOW);
  digitalWrite(28, LOW);
  digitalWrite(1, HIGH);
  digitalWrite(22, HIGH);
  delay(5000);
  digitalWrite(1, LOW);
  digitalWrite(22, LOW);
  digitalWrite(5, HIGH);
  digitalWrite(28, HIGH);
}