#include <bits/stdc++.h>
using namespace std;
 
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define endl "\n"
#define int long long

const int N=105;

int n;
int a[N][N], f[2][2];

int32_t main()
{
    IOS;
    int t;
    cin>>t;
    while(t--)
    {
        memset(f, 0, sizeof(f));
        cin>>n;
        for(int i=1;i<=n;i++)
        {
            for(int j=1;j<=n;j++)
            {
                cin>>a[i][j];
                f[(i+j)%2][a[i][j]]++;
            }
        }
        if((f[0][0]==f[1][1])||(f[0][1]==f[1][0]))
            cout<<"Yes"<<endl;
        else
            cout<<"No"<<endl;
    }
    return 0;
}