#define _USE_MATH_DEFINES
#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <complex>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
#include <iterator>
using namespace std;

double EPS = 1.0e-10;

bool isKadomatsu(const vector<double>& v)
{
    return abs(v[0] - v[2]) > EPS &&
           ((v[1] < v[0] - EPS && v[1] < v[2] - EPS) ||
            (v[1] > v[0] + EPS && v[1] > v[2] + EPS));
}

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

    while(--n >= 0){
        vector<double> x(3), y(3);
        for(int i=0; i<3; ++i)
            cin >> x[i];
        for(int i=0; i<3; ++i)
            cin >> y[i];

        if(isKadomatsu(x)){
            cout << "YES" << endl;
            continue;
        }

        bool ans = false;
        for(int a=0; a<3; ++a){
            int b = (a + 1) % 3;
            if(abs(y[a] - y[b]) < EPS)
                continue;

            double t = (x[a] - x[b]) / (y[b] - y[a]);
            for(int j=0; j<2; ++j){
                double t2 = t + 1.0e-7 * (j?1:-1);
                if(t2 < 0)
                    continue;
                vector<double> v(3);
                for(int i=0; i<3; ++i)
                    v[i] = x[i] + y[i] * t2;
                if(isKadomatsu(v)){
                    ans = true;
                    break;
                }
            }
        }

        if(ans)
            cout << "YES" << endl;
        else
            cout << "NO" << endl;
    }

    return 0;
}