def get_optimal_policy(path):
    """
    Method to return an array containing an optimal policy for a specified path
    Multiple optimal policies could exist
    """
    optimal_policy = []
    if path == 1:
        # PATH 1
        optimal_policy = [5, 2, 4, 6]

    elif path == 2:
        # PATH 2
        optimal_policy = [5, 17, 4, 6]

    elif path == 3:
        # PATH 3
        optimal_policy = [5, 1, 4, 6, 5, 1, 6]

    elif path == 4:
        # PATH 4
        optimal_policy = [2, 4]

    return optimal_policy