// Author : Epsilon573
// If it works, don't touch it.

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

typedef unsigned long long ull;
typedef long long ll;
typedef long double ld;

const ll mod  = 1e9+7;
const ld eps  = 1e-9 ;
const ll maxn = 1e5+1;
const ll inf  = 1e15 ;
const ll minf = -inf ;

#define mp make_pair
#define pb push_back
#define endl "\n"

#ifdef EPSILON

    #define deb(args...)       cerr << "[ " #args << " ] : " , debug(args);
    #define debug(args...)     (Debugger()) , args
 
    class Debugger
    {
        public:
        Debugger(const std::string& _separator = ", ") :
        first(true), separator(_separator){}
 
        template<typename ObjectType>
        Debugger& operator , (const ObjectType& v)
        {
            if(!first)
                std::cerr << separator;
            std::cerr << v;
            first = false;
            return *this;
        }
        ~Debugger() {  std::cerr << endl;}
 
        private:
        bool first;
        std::string separator;
    };
 
    template <typename T1, typename T2>
    inline std::ostream& operator << (std::ostream& os, const std::pair<T1, T2>& p)
    {
        return os << "(" << p.first << ", " << p.second << ")";
    }
 
    template<typename T>
    inline std::ostream &operator << (std::ostream & os,const std::vector<T>& v)
    {
        bool first = true;
        os << "[";
        for(unsigned int i = 0; i < v.size(); i++)
        {
            if(!first)
                os << ", ";
            os << v[i];
            first = false;
        }
        return os << "]";
    }
 
    template<typename T>
    inline std::ostream &operator << (std::ostream & os,const std::set<T>& v)
    {
        bool first = true;
        os << "[";
        for (typename std::set<T>::const_iterator ii = v.begin(); ii != v.end(); ++ii)
        {
            if(!first)
                os << ", ";
            os << *ii;
            first = false;
        }
        return os << "]";
    }
 
    template<typename T1, typename T2>
    inline std::ostream &operator << (std::ostream & os,const std::map<T1, T2>& v)
    {
        bool first = true;
        os << "[";
        for (typename std::map<T1, T2>::const_iterator ii = v.begin(); ii != v.end(); ++ii)
        {
            if(!first)
                os << ", ";
            os << *ii ;
            first = false;
        }
        return os << "]";
    }
 
#else
    #define deb(args...)
    #define debug(args...)
#endif

bool solve()
{
    ll n;
    cin >> n;
    vector<pair<pair<ll,ll>,ll>> hw(n),wh(n);
    vector<ll> ans(n+1,-1),prefw(n),prefh(n),valh(n),valw(n);

    for(ll i=0 ; i<n ; ++i)
    {
        hw[i].second = wh[i].second = i+1;
        cin >> (hw[i].first).first >> (hw[i].first).second;
        (wh[i].first).first = (hw[i].first).second;
        (wh[i].first).second = (hw[i].first).first;
    }

    sort(hw.begin(),hw.end());
    sort(wh.begin(),wh.end());

    for(ll i=0 ; i<n ; ++i)
    {
        if(i){
            if((hw[i].first).second < prefw[i-1])
            {
                prefw[i] = (hw[i].first).second;
                valw[i] = hw[i].second;
            }
            else
            {
                prefw[i] = prefw[i-1];
                valw[i] = valw[i-1];
            }
            if((wh[i].first).second < prefh[i-1])
            {
                prefh[i] = (wh[i].first).second;
                valh[i] = wh[i].second;
            }
            else
            {
                prefh[i] = prefh[i-1];
                valh[i] = valh[i-1];
            }
        }
        else
        {
            prefw[i] = (hw[i].first).second;
            valw[i] = hw[i].second;
            prefh[i] = (wh[i].first).second;
            valh[i] = wh[i].second;
        }

    }


    for(ll i=0 ; i<n ; ++i)
    {
        ll ht = (hw[i].first).first;
        ll wt = (hw[i].first).second;

        ll low = 0 , high = n-1 , mid , ptr = -1;

        while(low<=high)
        {
            mid = (low+high)/2;
            
            if( (hw[mid].first).first < ht )
            {
                ptr = mid;
                low = mid+1;
            }
            else
            {
                high = mid-1;
            }
        }

        if(ptr==-1) continue;
        else
        {
            if(prefw[ptr] < wt)
            {
                ans[hw[i].second] = valw[ptr];
            }
        }

    }

    for(ll i=0 ; i<n ; ++i)
    {
        if(ans[hw[i].second]!=-1) continue;

        ll ht = (hw[i].first).first;
        ll wt = (hw[i].first).second;

        ll low = 0 , high = n-1 , mid , ptr = -1;

        while(low<=high)
        {
            mid = (low+high)/2;
            if( (wh[mid].first).first < ht )
            {
                ptr = mid;
                low = mid+1;
            }
            else
            {
                high = mid-1;
            }
        }

        if(ptr==-1) continue;
        else
        {
            if(prefh[ptr] < wt)
            {
                ans[hw[i].second] = valh[ptr];
            }
        }
    }

    for(ll i=1 ; i<=n ; ++i) cout << ans[i] << " ";
        cout << endl;

    return true;    
}

int main()
{
    ios_base :: sync_with_stdio(false);
    cin.tie(NULL);
    cout.tie(NULL);

    #ifdef EPSILON
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    freopen("error.txt","w",stderr);
    #endif

    ll t=1;
    cin >> t;

    while(t--)
    {
        if(solve())
        {
            // do this;
        }
        else
        {
            // do this;
        }
    }

    return 0;
} 