void setup() {
  pinMode(0, OUTPUT);
  pinMode(1, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(13, OUTPUT);
  pinMode(14, OUTPUT);
  pinMode(15, OUTPUT);
  pinMode(18, OUTPUT);
  pinMode(19, OUTPUT);
  pinMode(20, OUTPUT);
}

void loop() {
  /* North - Green */
  digitalWrite(0, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(14, HIGH);
  digitalWrite(18, HIGH);
  delay(1250);
  /* West - Green */
  digitalWrite(0, LOW);
  digitalWrite(5, LOW);
  digitalWrite(1,HIGH);
  digitalWrite(4, HIGH);
  delay(750);
  digitalWrite(1, LOW);
  digitalWrite(4, LOW);
  digitalWrite(3, HIGH);
  digitalWrite(2, HIGH);
  delay(1250);
  /* South - Green */
  digitalWrite(3, LOW);
  digitalWrite(14, LOW);
  digitalWrite(15,HIGH);
  digitalWrite(4, HIGH);
  delay(750);
  digitalWrite(15, LOW);
  digitalWrite(4, LOW);
  digitalWrite(13, HIGH);
  digitalWrite(5, HIGH);
  delay(1250);
  /* East - Green */
  digitalWrite(13, LOW);
  digitalWrite(18, LOW);
  digitalWrite(15,HIGH);
  digitalWrite(19, HIGH);
  delay(750);
  digitalWrite(15, LOW);
  digitalWrite(19, LOW);
  digitalWrite(14, HIGH);
  digitalWrite(5, HIGH);
  digitalWrite(20, HIGH);
  delay(1250);
  /* After Set */
  digitalWrite(20, LOW);
  digitalWrite(2, LOW);
  digitalWrite(1,HIGH);
  digitalWrite(19, HIGH);
  delay(750);
  digitalWrite(1, LOW);
  digitalWrite(19, LOW);
}