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

#define int long long

#define rep(i,n) for(int i=0;i<(n);i++)
#define pb push_back
#define all(v) (v).begin(),(v).end()
#define fi first
#define se second
typedef vector<int>vint;
typedef pair<int,int>pint;
typedef vector<pint>vpint;

template<typename A,typename B>inline void chmin(A &a,B b){if(a>b)a=b;}
template<typename A,typename B>inline void chmax(A &a,B b){if(a<b)a=b;}

int gcd(int a,int b){
    return b?gcd(b,a%b):a;
}

pint calc(int x,int xx,int y,int yy){
    if(y==yy)return {0,1};
    if((y-yy)*(xx-x)<0)return {0,1};

    int d1=y-yy;
    int d2=xx-x;
    if(d1<0||d2<0){
        d1*=-1;d2*=-1;
    }
    int g=gcd(d1,d2);
    d1/=g;d2/=g;
    return {d2,d1};
}

signed main(){
    int N;cin>>N;
    while(N--){
        int x[3],y[3];
        rep(i,3)cin>>x[i];
        rep(i,3)cin>>y[i];

        if(y[0]==y[1]&&x[0]==x[1]){
            cout<<"NO"<<endl;
            continue;
        }
        if(y[2]==y[1]&&x[2]==x[1]){
            cout<<"NO"<<endl;
            continue;
        }

        if(x[0]!=x[2])
        if(max(x[0],x[2])<x[1]||min(x[0],x[2])>x[1]){
            cout<<"YES"<<endl;
            continue;
        }



        pint p1,p2;
        p1=calc(x[0],x[1],y[0],y[1]);
        p2=calc(x[2],x[1],y[2],y[1]);

        rep(i,3)x[i]+=y[i]*1001001001;
        if(x[0]!=x[2])
        if(max(x[0],x[2])<x[1]||min(x[0],x[2])>x[1]){
            cout<<"YES"<<endl;
            continue;
        }

        if(p1!=p2)cout<<"YES"<<endl;
        else cout<<"NO"<<endl;
    }
    return 0;
}