from itertools import permutations
from collections import defaultdict
N = int(input())
A = list(map(int, input().split()))
if N <= 9:
	d = defaultdict(list)
	for p in permutations(list(range(1, N + 1))):
		x = 0
		for i in range(N):
			x ^= A[i] + p[i]
		d[x].append(p)
	for c, ps in d.items():
		if len(ps) >= 2:
			print(*ps[0])
			print(*ps[1])
			exit()
	exit(print(-1))

P = list(range(1, N + 1))
x = 0
for i in range(N):
	x ^= A[i] + i + 1
ax = 0
for i in range(9, N):
	ax ^= A[i] + i + 1

for p in list(permutations(list(range(1, 10))))[1:]:
	nx = 0
	for i in range(9):
		nx ^= A[i] + p[i]
	if x == ax ^ nx:
		print(*P)
		print(*(list(p) + list(range(10, N + 1))))
		exit()