from itertools import permutations

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

memo = dict()
if n < 10:
    for per in permutations(range(1, n + 1)):
        xor = 0
        for i in range(n):
            xor ^= a[i] + per[i]

        if xor in memo:
            print(*memo[xor])
            print(*per)
            exit()

        memo[xor] = tuple(per)

else:
    for per in permutations(range(n - 10 + 1, n + 1)):
        xor = 0
        for i in range(10):
            xor ^= a[n - 10 + i - 1] + per[i - 1]

        if xor in memo:
            print(*(tuple(range(1, n - 10 + 1)) + memo[xor]))
            print(*(tuple(range(1, n - 10 + 1)) + tuple(per)))
            exit()

        memo[xor] = tuple(per)

print(-1)