CF

#include <iostream>
#include <cmath>
#include <vector>
#include <queue>
#include <algorithm>
#include <string>
#include <stack>
#include <set>
#include <map>
#define pii pair <int,int>
using namespace std;
using ll = long long;
using ld = long double;
using db = double;
void cv(vector <int> &v){
    for (auto x: v) cout<<x<<' ';
    cout<<"\n";
}

void cvl(vector <ll> &v){
    for (auto x: v) cout<<x<<' ';
    cout<<"\n";
}


void cvv(vector <vector <int> > &v){
    for (auto x: v) cv(x);
    cout<<"\n";
}
int t,n;
vector <int> v;

vector <vector<int>> nd;
map <int, vector<int>> var;
vector <pair <int, vector<int> > > varV, ndV;

void ch(int x){
    int st=x;
    //cout<<"x y = "<<x<<' '<<y<<"\n";
    while (x >= 1){
        cout<<"x = "<<x<<"\n";
        if (x >= 1 && x <= n){
            cout<<"ok\n";
            nd[x-1].push_back(st);
            var[st].push_back(x);

        }
        x /= 2;
    }
    //return 0;
}

bool cmp( vector <int> a, vector <int> b){
    return a.size() < b.size();
}

bool cmpV(pair <int, vector <int> > a, pair <int, vector <int> > b){
    return a.second.size() < b.second.size();
    //return a_sz < b_sz;
}

int main()
{
    /*ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);*/
	cin>>t;
	for (int i=0;i<t;++i){
        cin>>n;
        v.resize(n);
        nd.resize(n);
        var.clear();
        //var.resize(n);
        //cout<<"v\n";
        for (int j=0;j<n;++j) cin>>v[j];
        for (int j = 0;j< n;++j){
            ch(v[j]);
        }
        //cv(v);
        sort(v.begin(), v.end());
        cout<<"v\n";
        cv(v);

        cout<<"\n";
        //cout<<"var\n";
        for (auto x: var){
            //cout<<"("<<x.first<<"): "; cv(x.second);
            varV.push_back(x);
        }

        cout<<"\n\n";
        for (int j = 0; j < n;++j){
            ndV.push_back({j+1, nd[j]});
        }
        sort(ndV.begin(), ndV.end(),cmpV);
        //sort(varV.begin(), varV.end(), cmpV);
        cout<<"nd\n";
        for (int j=0;j<n;++j){
            cout<<"("<<ndV[j].first<<"): ";
            cv(ndV[j].second);
        }
        cout<<"Var\n";
        for (int j=0;j<varV.size();++j){
            cout<<varV[j].first<<" : "; cv(varV[j].second);
        }
        cout<<"\n\n";

	}
}
/*
6
4
1 8 25 2
2
1 1
9
9 8 3 4 2 7 1 5 6
3
8 2 1
4
24 7 16 7
5
22 6 22 4 22

*/