#include <bits/stdc++.h>
using namespace std;
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
const long long INF = 1e18 + 123;
const long double EPS = 1e-9;
const int inf = 1e9 + 123;
const int MOD = 1e9 + 7;
const int N = 103;
const int M = 1e6 + 123;
const double pi = 3.14159265359;
const int dx[] = {0, 1, 1, 0};
const int dy[] = {1, 1, 0, 0};
char a[N][N];
vector<vector<int>> ans;
void add(int first, int second, int exp) {
  vector<int> v;
  for (int i = 0; i < 4; i++) {
    if (exp != i) {
      v.push_back(dx[i] + first);
      v.push_back(dy[i] + second);
    }
  }
  ans.push_back(v);
}
void flip(int first) {
  for (int i = 1; i <= first; i++) {
    for (int l = 0; l < 6; l += 2) {
      a[ans[(int)ans.size() - i][l]][ans[(int)ans.size() - i][l + 1]] ^= 1;
    }
  }
}
void solve() {
  int n, m;
  cin >> n >> m;
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= m; j++) {
      cin >> a[i][j];
      a[i][j] -= '0';
    }
  }
  ans.clear();
  for (int i = 1; i <= n; i += 2) {
    if (i == n) {
      i--;
    }
    for (int j = 1; j <= m; j += 2) {
      if (j == m) j--;
      int cur = 0;
      for (int k = 0; k < 4; k++) {
        cur += a[i + dx[k]][j + dy[k]];
      }
      if (!cur) continue;
      if (cur == 4) {
        add(i, j, 3);
        flip(1);
        cur = 1;
      }
      if (cur == 1) {
        for (int k = 0; k < 4; k++) {
          if (a[i + dx[k]][j + dy[k]] == 0) {
            add(i, j, k);
            break;
          }
        }
        flip(1);
        cur = 2;
      }
      if (cur == 3) {
        for (int k = 0; k < 4; k++) {
          if (a[i + dx[k]][j + dy[k]] == 0) add(i, j, k);
        }
        flip(1);
      }
      if (cur == 2) {
        for (int k = 0; k < 4; k++) {
          if (a[i + dx[k]][j + dy[k]] == 1) add(i, j, k);
        }
        flip(2);
      }
    }
  }
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= m; j++) {
    }
  }
  cout << (int)ans.size() << '\n';
  for (auto &v : ans) {
    for (int first : v) cout << first << " ";
    cout << '\n';
  }
  return;
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int t = 1;
  cin >> t;
  for (int i = 1; i <= t; i++) {
    solve();
  }
  return 0;
}
