import sys
input = sys.stdin.readline

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

if N==2:
    x=(A[0]+1)^(A[1]+2)
    y=(A[0]+2)^(A[1]+1)

    if x==y:
        print(1,2)
        print(2,1)
    else:
        print(-1)

    exit()

X=[[] for i in range(4)]

for i in range(N):
    X[A[i]%4].append(i)

for i in range(2):
    if len(X[i])>=2:
        k=X[i][0]
        l=X[i][1]

        ANS1=[0]*N
        ANS2=[0]*N

        ANS1[k]=1
        ANS1[l]=2

        ANS2[k]=2
        ANS2[l]=1

        now=1
        LL=[1,2]

        for i in range(N):
            if ANS1[i]==0:
                ANS1[i]=now
                now+=1
            while now in LL:
                now+=1

        now=1

        for i in range(N):
            if ANS2[i]==0:
                ANS2[i]=now
                now+=1
            while now in LL:
                now+=1

        print(*ANS1)
        print(*ANS2)

        exit()

from itertools import permutations
from collections import Counter

if N<=8:
    L=list(permutations(range(N)))

    ANS=[0]*len(L)

    for i in range(len(L)):
        xor=0

        for j in range(N):
            xor^=A[j]+L[i][j]

        ANS[i]=xor

    C=Counter(ANS)

    ans=-1

    for c in C:
        if C[c]>=2:
            ans=c
            break

    if ans==-1:
        print(ans)
        exit()

    IND=[]
    for i in range(len(L)):
        if ANS[i]==ans:
            IND.append(i)

    AA=[0]*N
    for i in range(N):
        AA[i]=L[IND[0]][i]+1

    print(*AA)

    AA=[0]*N
    for i in range(N):
        AA[i]=L[IND[1]][i]+1

    print(*AA)

    exit()

B=[(A[i],i) for i in range(N)]
B.sort()
IND=[]
for i in range(N-1):
    if B[i+1][0]<=N:
        IND=[B[i][1],B[i+1][1]]
        LL=[X[i][0],X[i+1][0]]
        break

k,l=IND

ANS1=[0]*N
ANS2=[0]*N

if LL[0]==LL[1]:

    ANS1[k]=1
    ANS1[l]=2

    ANS2[k]=2
    ANS2[l]=1

    LL=[1,2]
else:
    ANS1[k]=LL[0]
    ANS1[l]=LL[1]

    ANS2[k]=LL[1]
    ANS2[l]=LL[0]


now=1
for i in range(N):
    if ANS1[i]==0:
        ANS1[i]=now
        now+=1
    while now in LL:
        now+=1

now=1

for i in range(N):
    if ANS2[i]==0:
        ANS2[i]=now
        now+=1
    while now in LL:
        now+=1

print(*ANS1)
print(*ANS2)

exit()