int cyan = 8;
int purple = 9;
int red = 10;
int blue = 11;
int green = 12;
int yellow = 13;


void setup() {
  pinMode(cyan, OUTPUT);
  pinMode(purple, OUTPUT);
  pinMode(red, OUTPUT);
  pinMode(blue, OUTPUT);
  pinMode(green, OUTPUT);
  pinMode(yellow, OUTPUT);
}

void loop() {
  digitalWrite(cyan, HIGH);
  digitalWrite(purple, LOW);
  digitalWrite(red, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  delay(1500);

  digitalWrite(cyan, LOW);
  digitalWrite(purple, HIGH);
  digitalWrite(red, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  delay(1500);

  digitalWrite(cyan, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(red, HIGH);
  digitalWrite(blue, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  delay(1500);

  digitalWrite(cyan, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(red, LOW);
  digitalWrite(blue, HIGH);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  delay(1500);

  digitalWrite(cyan, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(red, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(green, HIGH);
  digitalWrite(yellow, LOW);
  delay(1500);

  digitalWrite(cyan, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(red, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, HIGH);

  digitalWrite(cyan, HIGH);
  digitalWrite(purple, HIGH);
  digitalWrite(red, HIGH);
  digitalWrite(blue, HIGH);
  digitalWrite(green, HIGH);
  digitalWrite(yellow, HIGH);
  delay(1500);
  
  digitalWrite(cyan, LOW);
  digitalWrite(purple, LOW);
  digitalWrite(red, LOW);
  digitalWrite(blue, LOW);
  digitalWrite(green, LOW);
  digitalWrite(yellow, LOW);
  delay(1500);
}