#include <bits/stdc++.h>
// #include <bits/extc++.h>
#pragma GCC optimize (1)
#pragma GCC optimize (2)
#pragma GCC optimize (3)
// #define int long long
#define IOS ios::sync_with_stdio(0),cin.tie(0)

// using namespace __gnu_pbds;
using namespace std;

const int N=2e5+10,M=1e6+10,mod=1e9+7;

int n;
map<int,int>mp;
void f1() {
    for(int i = 1 ; i <= n ; i++) {
        mp[i]--;
        if(mp[i] == 0) 
            mp[i] = n;
    }
}
void f2() {
    for(int i = 1 ; i <= n ; i++) {
        if(mp[i] == 1) continue;
        mp[i]--;
        if(mp[i] == 1) 
            mp[i] = n; 
    }
}
void sol(int cases) {
     cin >> n;
     std::vector<int> a(n+1);
     mp.clear();
     for(int i = 1 ; i <= n ; i++) {
            cin >> a[i];
            mp[a[i]] = i;
     }
     std::vector<int> b(n+1);
     for(int i = 1 ; i <= n ; i++) {
            cin >> b[i];
     }
     std::vector<int> ans;
     while(mp[b[1]] != 1) {
        f1();
        ans.push_back(1);
    }
    for(int i = 1 ; i <= n - 1; i++) {
        int u = mp[b[i]];
        int v = mp[b[i+1]];
        while(mp[b[i+1]] != 2) {
            ans.push_back(2);
            f2();
        }
        f1();
        ans.push_back(1);

    }
    // for(auto x : ans) {
    //     cout << x;
    // }
    // cout << endl;
    // for(int i = 1 ; i <= n ; i++) {
    //     cout << mp[i] << " ";
    // }
    // cout << endl;
    while(mp[b[1]] != 1) {
        f1();
        ans.push_back(1);
    }
    for(auto x : ans) {
        cout << x;
    }
    cout << endl;
}

signed main(){
    IOS;
    int t=1;
    cin>>t;
    for(int i=1;i<=t;++i){
        sol(i);
    }
    return 0;
}