#include <bits/stdc++.h>
using namespace std;
using i64 = long long;

int main() {
  std::cin.tie(nullptr)->sync_with_stdio(false);
  int n;
  std::cin >> n;

  auto get = [&]() {
    std::map<int, std::set<std::array<int, 2>>> a;
    std::vector<int> xs(n), ys(n);
    for (auto& x : xs) std::cin >> x;
    for (auto& y : ys) std::cin >> y;
    for (int i = 0; i < n; i++) {
      a[xs[i]].insert({ys[i], i});
    }
    return a;
  };

  auto a = get();
  auto b = get();

  std::vector<int> a_order, b_order;
  while (a.size() && b.size()) {
    auto& a_first = a.begin()->second;
    auto& b_first = b.begin()->second;
    if (a_first.size() >= b_first.size()) {
      for (auto& [h, bi] : b_first) {
        b_order.push_back(bi);
        auto a_it = a_first.upper_bound({h, n});
        if (a_it == a_first.end()) {
          std::cout << "impossible\n";
          return 0;
        }
        a_order.push_back((*a_it)[1]);
        a_first.erase(a_it);
      }
      b.erase(b.begin());
    } else {
      for (auto& [h, ai] : a_first) {
        a_order.push_back(ai);
        auto b_it = b_first.upper_bound({h, 0});
        if (b_it == b_first.begin()) {
          std::cout << "impossible\n";
          return 0;
        }
        b_it--;
        b_order.push_back((*b_it)[1]);
        b_first.erase(b_it);
      }
      a.erase(a.begin());
    }
  }
  for (auto& x : a_order) std::cout << x + 1 << " ";
  std::cout << "\n";
  for (auto& x : b_order) std::cout << x + 1 << " ";
  std::cout << "\n";
}