#include <bits/stdc++.h>

using namespace std;

typedef unsigned long long ull;

void test_case(int tc){
    int n;
    cin >> n;

    vector<int> s(n);
    vector<int> f(n);

    for(size_t i = 0; i < n; ++i){
        cin >> s[i];
    }

    for(size_t i = 0; i < n; ++i){
        cin >> f[i];

        if(i != 0){
            cout << f[i] - max(s[i], f[i-1]) << " ";
        } else {
            cout << f[i] - s[i] << " ";
        }
    }

    cout << "\n";

}



int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);

    int t;
    cin >> t;

    for(int tc = 1; tc <= t; ++tc){
        test_case(tc);
    }

    cout << flush;

    return 0;
}