import sys

# sys.setrecursionlimit(200005)
# sys.set_int_max_str_digits(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()

dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
# inf = -1-(-1 << 31)
inf = -1-(-1 << 62)

# md = 10**9+7
md = 998244353

n=LI()
aa=LI()

if n==1:
    print(-1)
elif n==2:
    p=aa[:]
    q=aa[:]
    p[0]^=1
    p[1]^=2
    q[0]^=2
    q[1]^=1
    if p==q:
        print(1,2)
        print(2,1)
    else:
        print(-1)
else:
    i,j=0,1
    if aa[i]&1!=aa[j]&1:j=2
    if aa[i]&1!=aa[j]&1:i=1
    
    p=list(range(1,n+1))
    q=list(range(1,n+1))
    
    p[i]=q[j]=2
    p[j]=q[i]=3
    p[3-i-j]=q[3-i-j]=1
    
    print(*p)
    print(*q)