#include //#include using namespace std; //using namespace atcoder; //using mint = modint1000000007; //const int mod = 1000000007; //using mint = modint998244353; //const int mod = 998244353; //const int INF = 1e9; //const long long LINF = 1e18; #define rep(i, n) for (int i = 0; i < (n); ++i) #define rep2(i,l,r)for(int i=(l);i<(r);++i) #define rrep(i, n) for (int i = (n) - 1; i >= 0; --i) #define rrep2(i,l,r)for(int i=(r) - 1;i>=(l);--i) #define all(x) (x).begin(),(x).end() #define allR(x) (x).rbegin(),(x).rend() #define P pair template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); int n; cin >> n; vectora(n); rep(i, n)cin >> a[i]; map> mp; if (n >= 10) { vectorv(10); rep(i, 10)v[i] = i + 1; int tmpx = 0; rep2(i, 10, n) { tmpx ^= (i + 1) + a[i]; } do { int x = 0; rep(i, 10) { x ^= a[i] + v[i]; } if (mp.count(x)) { auto w = mp[x]; rep(i, v.size())cout << v[i] << " "; rep2(i, v.size(), n)cout << i + 1 << " "; cout << endl; rep(i, w.size())cout << w[i] << " "; rep2(i, w.size(), n)cout << i + 1 << " "; cout << endl; return 0; } mp[x] = v; } while (next_permutation(v.begin(), v.end())); } else { vectorv(n); rep(i, n)v[i] = i + 1; do { int x = 0; rep(i, n) { x ^= a[i] + v[i]; } if (mp.count(x)) { auto w = mp[x]; rep(i, n)cout << v[i] << " "; cout << endl; rep(i, n)cout << w[i] << " "; cout << endl; return 0; } mp[x] = v; } while (next_permutation(v.begin(), v.end())); } cout << -1 << endl; return 0; }