#include <bits/stdc++.h>
using namespace std;
#define pb push_back
typedef long long ll;
int main(){
int T,n,k, t,a,b;
cin>>T;
while(T--){
cin>>n;
vector<int>v;
for(t=0;t<n;t++){
cin>>a;
v.pb(a);
}
sort(v.rbegin(),v.rend());
for(t=0;t<n;t++)
if(v[t]==v[0])
cout<<v[0]<<" ";
else break;
cout<<"\n";
}
}