D

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

int main() {
    int t;
    cin>>t;

    while(t--)
    {
        int n;
        cin >> n;
        vector <int> a(n);

        for (auto &x : a) cin >> x;

        int mmax = *max_element(a.begin(), a.end());

        vector <int> ans;
        int val = INT_MAX;

        for (int i = 0; i < 32; i++)
        {
            vector <int> b;
            int chk = -1;

            for (auto x : a)
            {
                if ((val & x) == val)
                    ans.push_back(x);
                else
                {
                    b.push_back(x);
                    chk = max(chk, x & val);
                }
            }

            a = b;
            b.clear();
            for(auto x : a)
            {
                if ((val & x) == chk)
                {
                    ans.push_back(x);
                    val = chk;
                    chk = -1;
                }
                else
                    b.push_back(x);

            }

            a = b;
        }

        for (auto x : a) ans.push_back(x);

        val = INT_MAX;
        for (auto x : ans)
        {
            val &= x;
            cout << val << " ";
        }
        cout << "\n";
    }
}