import itertools

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

s = max(n-10,0)
t = n-s
dic = {}

for P in itertools.permutations(range(s+1,s+t+1)):
    P = list(P)
    y = 0
    for i in range(s, s+t):
        y ^= P[i-s]+A[i]
    if(y in dic):
        print(*(list(range(1,s+1)) + dic[y]))
        print(*(list(range(1,s+1)) + P))
        exit()
    dic[y] = P

print(-1)