import random

def rand_arrange(max_size):
    order_list = [False] * max_size
    index_list = [-1] * max_size

    for i in range(max_size):
        while True:
            rand_var = random.randint(0, max_size - 1)
            if order_list[rand_var]:
                continue
            else:
                index_list[i] = rand_var + 1
                order_list[rand_var] = True
                break

    return index_list