#include <iostream>
#include <vector>
#include <algorithm>
#include <string>
#include <numeric>
#include <utility>
#include <tuple>

#define REP(i, a, b) for (int i = int(a); i < int(b); i++)
using namespace std;
using ll = long long int;
using P = pair<double, double>;

// clang-format off
#ifdef _DEBUG_
#define dump(...) do{ cerr << __LINE__ << ":\t" << #__VA_ARGS__ << " = "; PPPPP(__VA_ARGS__); cerr << endl; } while(false)
template<typename T> void PPPPP(T t) { cerr << t; }
template<typename T, typename... S> void PPPPP(T t, S... s) { cerr << t << ", "; PPPPP(s...); }
#else
#define dump(...) do{ } while(false)
#endif
template<typename T> vector<T> make_v(size_t a, T b) { return vector<T>(a, b); }
template<typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v(ts...))>(a, make_v(ts...)); }
template<typename T> bool chmin(T &a, T b) { if (a > b) {a = b; return true; } return false; }
template<typename T> bool chmax(T &a, T b) { if (a < b) {a = b; return true; } return false; }
template<typename T> void print(T a) { cout << a << endl; }
template<typename T, typename... Ts> void print(T a, Ts... ts) { cout << a << ' '; print(ts...); }
template<typename T> istream &operator,(istream &in, T &t) { return in >> t; }
// clang-format on

const ll inf = 1LL << 60;
double eps = 1e-8;

P up(int x1, int x2, int y1, int y2) {
    if (x1 < x2 && y1 <= y2) {
        return P(0, inf);
    }
    if (x1 < x2 && y1 > y2) {
        return P(0, double(x2 - x1) / (y1 - y2));
    }
    if (x1 > x2 && y1 < y2) {
        return P(double(x1 - x2) / (y2 - y1), inf);
    }
    if (x1 > x2 && y1 >= y2) {
        return P(inf, 0);
    }
    if (x1 == x2 && y1 < y2) {
        return P(eps * 10, inf);
    }
    if (x1 == x2 && y1 >= y2) {
        return P(inf, 0);
    }
}

bool isSame(int x1, int x2, int x3, int y1, int y2, int y3, double m) {
    double a = x1 + y1 * m, b = x2 + y2 * m, c = x3 + y3 * m;
    return abs(a - b) < eps || abs(a - c) < eps || abs(b - c) < eps;
}

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int T;
    cin, T;
    REP(i, 0, T) {
        int x1, x2, x3, y1, y2, y3;
        cin, x1, x2, x3, y1, y2, y3;
        P p1 = up(x1, x2, y1, y2), p2 = up(-x2, -x3, -y2, -y3);
        P p3 = up(-x1, -x2, -y1, -y2), p4 = up(x2, x3, y2, y3);
        chmax(p1.first, p2.first);
        chmin(p1.second, p2.second);
        chmax(p3.first, p4.first);
        chmin(p3.second, p4.second);
        if (p1.first - eps <= p1.second || p3.first - eps <= p3.second) {
            double m1 = (p1.first + p1.second) / 2;
            double m2 = (p3.first + p3.second) / 2;
            if (isSame(x1, x2, x3, y1, y2, y3, m1) || isSame(x1, x2, x3, y1, y2, y3, m2)) {
                cout << "NO" << endl;
            } else {
                cout << "YES" << endl;
            }
        } else {
            cout << "NO" << endl;
        }
    }
    return 0;
}