#include <bits/stdc++.h>
#include <boost/multiprecision/cpp_int.hpp>
using namespace std;
#define rep(i, x, limit) for (long long i = (long long)x; i < (long long)limit; i++)
#define REP(i, x, limit) for (long long i = (long long)x; i <= (long long)limit; i++)
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define el '\n'
#define spa " "
#define Yes cout << "Yes" << el
#define No cout << "No" << el
#define YES cout << "YES" << el
#define NO cout << "NO" << el
#define inp(x) for(auto &i:x)cin>>i
#define eps (1e-10)
#define Equals(a,b) (fabs((a) - (b)) < eps )
#define debug(x) cerr << #x << " = " << x << el
using ll = long long;
using ull = unsigned long long;
using i128 = __int128_t;
using boost::multiprecision::cpp_int;
using pii = pair<int,int>;
using pll = pair<ll,ll>;
using vi = vector<int>;
using vl = vector<ll>;
using vvl = vector<vector<ll>>;
using vs = vector<string>;
using vb = vector<bool>;
const double pi = 3.141592653589793238;
const int inf = 1073741823;
const ll infl = 1LL << 60;
const string ABC = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const string abc = "abcdefghijklmnopqrstuvwxyz";
const ll MOD = 998244353;
#include<atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using vm = vector<mint>;

int main() {
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n;cin>>n;
  vi A(n),B(n),idx(n+1);inp(A);inp(B);
  rep(i,0,n)idx[B[i]]=i;
  vector<vi>ans(n+1,vi(n));
  ans[0]=A;ans[n]=B;
  rep(i,0,n-1){
    vi &C=ans[i];
    rep(j,0,n){
        if(j==n-1){
            ans[i+1][j]=C[j];
        }
        else if(idx[C[j]]>idx[C[j+1]]){
            ans[i+1][j]=C[j+1];
            ans[i+1][j+1]=C[j];
            j++;
        }else{
            ans[i+1][j]=C[j];
        }
    }
  }
  rep(i,0,n){
    int &x=ans[n-1][i];
    bool ok=false;
    rep(j,-1,2){
        int id=i+j;
        if(id<0||id>=n)continue;
        if(x==ans[n][id])ok=true;
    }
    if(!ok){
        cout<<-1<<el;
        return 0;
    }
  }
    rep(i,0,n+1){
    rep(j,0,n){
            cout<<ans[i][j]<<spa;
        }
        cout<<el;
    }
}