for _ in range(int(input())):
MooRsy = input()
v = []
u = []
for _ in range(3):
a ,b = [int(i) for i in input().split()]
if a not in v:
v.append(a)
if b not in u:
u.append(b)
if len(v) == 3 or len(u) == 3:
print("Yes")
else:
print("No")#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define ulli unsigned ll
#define ld long double
#define pb push_back
#define vi vector<int>
#define vl vector<ll>
#define vc vector<char>
#define all(v) v.begin(),v.end()
#define pll pair<ll, ll>
#define pii pair<int, int>
#define ls first
#define rs second
#define FAST ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);
const ll M=(ll)(pow(10,9)+7);
int x[4],y[4];
void solve()
{
FAST;
for(int i=0;i<3;i++)
{
cin>>x[i];
cin>>y[i];
}
if ((x[0]==x[1]||x[1]==x[2]||x[2]==x[0])&&(y[0]==y[1]||y[1]==y[2]|y[2]==y[0])) cout<<"NO\n";
else cout<<"YES\n";
}
int main()
{
FAST;
int t;
cin>>t;
while(t--)
{
solve();
}
}383. Ransom Note | 242. Valid Anagram |
141. Linked List Cycle | 21. Merge Two Sorted Lists |
203. Remove Linked List Elements | 733. Flood Fill |
206. Reverse Linked List | 83. Remove Duplicates from Sorted List |
116. Populating Next Right Pointers in Each Node | 145. Binary Tree Postorder Traversal |
94. Binary Tree Inorder Traversal | 101. Symmetric Tree |
77. Combinations | 46. Permutations |
226. Invert Binary Tree | 112. Path Sum |
1556A - A Variety of Operations | 136. Single Number |
169. Majority Element | 119. Pascal's Triangle II |
409. Longest Palindrome | 1574A - Regular Bracket Sequences |
1574B - Combinatorics Homework | 1567A - Domino Disaster |
1593A - Elections | 1607A - Linear Keyboard |
EQUALCOIN Equal Coins | XOREQN Xor Equation |
MAKEPAL Weird Palindrome Making | HILLSEQ Hill Sequence |