#include<bits/stdc++.h>

using namespace std;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);

  int n;
  cin >> n;
  vector<int> a(n);
  for(auto &nx : a){cin >> nx;}

  int sn=min(n,10);
  vector<int> p;
  for(int i=1;i<=sn;i++){
    p.push_back(i);
  }
  vector<vector<int>> mem(1<<19);
  vector<int> r1,r2;
  do{
    int cf=0;
    for(int i=0;i<sn;i++){
      cf^=(a[i]+p[i]);
    }
    // cerr << cf << "\n";
    if(mem[cf].empty()){
      mem[cf]=p;
    }
    else{
      r1=mem[cf];
      r2=p;
      break;
    }
  }while(next_permutation(p.begin(),p.end()));

  if(r1.empty()){cout << "-1\n";return 0;}

  for(int i=0;i<sn;i++){
    if(i){cout << " ";}
    cout << r1[i];
  }
  for(int i=sn+1;i<=n;i++){
    if(i){cout << " ";}
    cout << i;
  }cout << "\n";

  for(int i=0;i<sn;i++){
    if(i){cout << " ";}
    cout << r2[i];
  }
  for(int i=sn+1;i<=n;i++){
    if(i){cout << " ";}
    cout << i;
  }cout << "\n";
  return 0;
}