#include <bits/stdc++.h>
using namespace std;
const int INF = 2 * int(1e9);
const long long INFll = 1ll * int(1e9) * int(1e9);
const int MOD = 1000000007;
template <typename T>
ostream& operator<<(ostream& out, pair<T, T>& a) {
  out << a.first << " " << a.second;
  return out;
}
template <typename T>
istream& operator>>(istream& in, pair<T, T>& a) {
  in >> a.first >> a.second;
  return in;
}
template <typename T>
ostream& operator<<(ostream& out, vector<pair<T, T> > a) {
  for (int i = 0; i < a.size(); ++i) out << a[i] << endl;
  return out;
}
template <typename T>
istream& operator>>(istream& in, vector<T>& a) {
  for (int i = 0; i < a.size(); ++i) in >> a[i];
  return in;
}
template <typename T>
ostream& operator<<(ostream& out, vector<T> a) {
  for (int i = 0; i < a.size(); ++i)
    if (i == a.size() - 1)
      out << a[i];
    else
      out << a[i] << " ";
  return out;
}
struct IN {
  bool any;
  operator bool() const { return any; }
} CIN;
inline IN& operator>>(IN& in, int& x) {
  x = 0, in.any = 0;
  char c;
  while ((c = getchar()) > 0) {
    if (c < 48 || c > 57)
      if (in.any)
        return in;
      else
        continue;
    in.any = 1, x = x * 10 + c - '0';
  }
  return in;
}
int main() {
  ios_base::sync_with_stdio(0);
  int q;
  CIN >> q;
  while (q--) {
    int n, m;
    CIN >> n >> m;
    vector<vector<int> > a(n, vector<int>(m));
    for (int i = 0; i < n; ++i)
      for (int j = 0; j < m; ++j) CIN >> a[i][j];
    int sum = 0;
    for (int j = 0; j < m; ++j) sum += abs(a[n / 2][j] - a[n / 2 - 1][j]);
    if (sum / long double(m) > 17)
      cout << "YES\n";
    else
      cout << "NO\n";
    if (0) cerr << sum / long double(m) << endl;
  }
  if (0)
    cerr << fixed << setprecision(0)
         << "TIME = " << clock() / (long double)CLOCKS_PER_SEC * 1000 << "\n";
  return 0;
}
