from itertools import permutations


def answer(p):
    for pi in p:
        print(pi + 1, end=" ")
    print()


def solve_less10():
    hm = dict()
    for p in permutations(range(n), n):
        xor = 0
        for i in range(n):
            xor ^= p[i] + a[i]

        if xor in hm:
            answer(hm[xor])
            answer(p)
            exit()

        hm[xor] = p

    print(-1)


def solve_more10():
    xor_base = 0
    for i in range(10, n):
        xor_base ^= i + a[i]

    hm = dict()
    for p in permutations(range(10), 10):
        xor = 0
        for i in range(10):
            xor ^= p[i] + a[i]

        if xor_base ^ xor in hm:
            answer(hm[xor] + tuple(range(10, n)))
            answer(p + tuple(range(10, n)))
            exit()

        hm[xor] = p

    print(-1)


n = int(input())
a = list(map(int, input().split()))

if n < 10:
    solve_less10()
else:
    solve_more10()