#include<bits/stdc++.h>
 
#define MOD 1000000007
#define MAX 10000005
#define ll long long
#define slld(t) scanf("%lld",&t)
#define sd(t) scanf("%d",&t)
#define pd(t) printf("%d\n",t)
#define plld(t) printf("%lld\n",t)
#define pcc pair<char,char>
#define pii pair<int,int>
#define pll pair<ll,ll>
#define tr(container,it) for(typeof(container.begin()) it=container.begin();it!=container.end();it++)
#define mp(a,b) make_pair(a,b)
#define F first
#define S second
#define pb(x) push_back(x)
#define vi vector<int>
 
using namespace std;
 
int score[501][501],inc[501][501];
 
void solve(int i,int m){
	inc[i][0]=0;
	for(int j=1;j<=m;j++){
		inc[i][j]=100-score[i][j]-inc[i][j-1];
	}
}
 
int main(){
 
	int t;
	sd(t);
	while(t--){
		int n,m;
		sd(n);sd(m);
 
		for(int i=1;i<=n;i++){
			for(int j=1;j<=m;j++){
				sd(score[i][j]);
			}
			solve(i,m);
		}
 
		for(int i=2;i<=n;i++){
			inc[i][m]=inc[i][m]-inc[i-1][m];
		}
 
		if(!inc[n][m]) 	cout<<"YES\n";
		else cout<<"NO\n";
	}
}

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MgozIDMKOTAgOTAgOTAKOTAgOTAgOTAKOTAgOTAgMTAwCjIgMgo2MCA1MAo3MCA5MA==

2
3 3
90 90 90
90 90 90
90 90 100
2 2
60 50
70 90