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

if n <= 100:
    for i in range(n):
        for j in range(i + 1, n):
            for p in range(1, n + 1):
                for q in range(p + 1, n + 1):
                    if (A[i] + p) ^ (A[j] + q) == (A[i] + q) ^ (A[j] + p):
                        P = [0] * n
                        Q = [0] * n
                        P[i] = p
                        P[j] = q
                        Q[i] = q
                        Q[j] = p
                        x = 1
                        for k in range(n):
                            if k == i or k == j:
                                continue
                            while x == p or x == q:
                                x += 1
                            P[k] = x
                            Q[k] = x
                            x += 1

                        print(*P)
                        print(*Q)
                        exit()
    print(-1)
else:
    ind = [-1] * 60
    for i, a in enumerate(A):
        c = 0
        while a:
            if a & 1:
                c += 1
            else:
                break
            a >>= 1
        if ind[c] == -1:
            ind[c] = i
        else:
            j = ind[c]
            P = [0] * n
            Q = [0] * n
            if c != 1:
                p = 2
                q = 3
            else:
                p = 4
                q = 5
            P[i] = p
            P[j] = q
            Q[i] = q
            Q[j] = p
            x = 1
            for k in range(n):
                if k == i or k == j:
                    continue
                while x == p or x == q:
                    x += 1
                P[k] = x
                Q[k] = x
                x += 1

            print(*P)
            print(*Q)
            exit()