public void face(Direction dir) {
        for (int i = 0; i < 3; i++) {
            if(facingWest() && dir == Directions.West) return;
            if(facingNorth() && dir == Directions.North) return;
            if(facingSouth() && dir == Directions.South) return;
            if(facingEast() && dir == Directions.East) return;
            turnLeft();
        }
    }

    public void move(int spaces, Direction dir) {
        face(dir);
        for (int i = 0; i < spaces; i++) {
            move();
        }
    }