int CurrentFace = 1;

void setup() {

  pinMode(2, OUTPUT);

  pinMode(3, OUTPUT);

  pinMode(4, OUTPUT);

  pinMode(5, OUTPUT);

  digitalWrite(2, LOW);

  digitalWrite(3, LOW);

  digitalWrite(4, LOW);

  digitalWrite(5, LOW);

}

void loop()

{

  delay(2); // Delay 2 Milliseconds

  switch (CurrentFace)

  {

    case 1:

      digitalWrite(2, HIGH);

      digitalWrite(3, LOW);

      digitalWrite(4, LOW);

      digitalWrite(5, LOW);

      CurrentFace = 2; // << right rotation = 4 : left rotation = 2

      break;

    case 2:

      digitalWrite(2, LOW);

      digitalWrite(3, HIGH);

      digitalWrite(4, LOW);

      digitalWrite(5, LOW);

      CurrentFace = 3; // << right rotation = 1 : left rotation = 3

      break;

    case 3:

      digitalWrite(2, LOW);

      digitalWrite(3, LOW);

      digitalWrite(4, HIGH);

      digitalWrite(5, LOW);

      CurrentFace = 4; // << right rotation = 2 : left rotation = 4

      break;

    case 4:

      digitalWrite(2, LOW);

      digitalWrite(3, LOW);

      digitalWrite(4, LOW);

      digitalWrite(5, HIGH);

      CurrentFace = 1; // << right rotation = 3 : left rotation = 1

      break;

  }

}

int CurrentFace = 1;

void setup() {

  pinMode(2, OUTPUT);

  pinMode(3, OUTPUT);

  pinMode(4, OUTPUT);

  pinMode(5, OUTPUT);

  digitalWrite(2, LOW);

  digitalWrite(3, LOW);

  digitalWrite(4, LOW);

  digitalWrite(5, LOW);

}

void loop()

{

  delay(9);// Delay 9 Milliseconds

  switch (CurrentFace)

  {

    case 1:

      digitalWrite(2, HIGH);

      digitalWrite(3, LOW);

      digitalWrite(4, LOW);

      digitalWrite(5, HIGH);

      CurrentFace = 2; // << right rotation = 4 : left rotation = 2

      break;

    case 2:

      digitalWrite(2, HIGH);

      digitalWrite(3, HIGH);

      digitalWrite(4, LOW);

      digitalWrite(5, LOW);

      CurrentFace = 3; // << right rotation = 1 : left rotation = 3

      break;

    case 3:

      digitalWrite(2, LOW);

      digitalWrite(3, HIGH);

      digitalWrite(4, HIGH);

      digitalWrite(5, LOW);

      CurrentFace = 4; // << right rotation = 2 : left rotation = 4

      break;

    case 4:

      digitalWrite(2, LOW);

      digitalWrite(3, LOW);

      digitalWrite(4, HIGH);

      digitalWrite(5, HIGH);

      CurrentFace = 1; // << right rotation = 3 : left rotation = 1

      break;

  }

}