#include <bits/stdc++.h>
using namespace std;
void modify_triple(vector<vector<int> > &arr, vector<vector<int> > &ans, int x,
                   int y) {
  vector<int> temp;
  if (!arr[x][y]) {
    arr[x][y + 1] = 0;
    arr[x + 1][y] = 0;
    arr[x + 1][y + 1] = 0;
    temp.push_back(x);
    temp.push_back(y + 1);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y + 1);
  } else if (!arr[x][y + 1]) {
    arr[x][y] = 0;
    arr[x + 1][y] = 0;
    arr[x + 1][y + 1] = 0;
    temp.push_back(x);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y + 1);
  } else if (!arr[x + 1][y]) {
    arr[x][y + 1] = 0;
    arr[x][y] = 0;
    arr[x + 1][y + 1] = 0;
    temp.push_back(x);
    temp.push_back(y + 1);
    temp.push_back(x);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y + 1);
  } else {
    arr[x][y + 1] = 0;
    arr[x + 1][y] = 0;
    arr[x][y] = 0;
    temp.push_back(x);
    temp.push_back(y + 1);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x);
    temp.push_back(y);
  }
  ans.push_back(temp);
  return;
}
void modify_double(vector<vector<int> > &arr, vector<vector<int> > &ans, int x,
                   int y) {
  vector<int> temp;
  if ((arr[x][y + 1] && arr[x + 1][y + 1]) ||
      (arr[x + 1][y] && arr[x + 1][y + 1]) ||
      (arr[x][y] && arr[x + 1][y + 1])) {
    temp.push_back(x);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x);
    temp.push_back(y + 1);
    if (arr[x][y + 1] && arr[x + 1][y + 1]) {
      arr[x][y + 1] = 0;
      arr[x][y] = 1;
      arr[x + 1][y] = 1;
    } else if (arr[x + 1][y] && arr[x + 1][y + 1]) {
      arr[x + 1][y] = 0;
      arr[x][y] = 1;
      arr[x][y + 1] = 1;
    } else {
      arr[x][y + 1] = 1;
      arr[x][y] = 0;
      arr[x + 1][y] = 1;
    }
  } else if ((arr[x][y] && arr[x + 1][y]) || (arr[x][y] && arr[x][y + 1])) {
    temp.push_back(x + 1);
    temp.push_back(y + 1);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x);
    temp.push_back(y + 1);
    if (arr[x][y] && arr[x + 1][y]) {
      arr[x + 1][y] = 0;
      arr[x][y + 1] = 1;
      arr[x + 1][y + 1] = 1;
    } else {
      arr[x + 1][y] = 1;
      arr[x][y + 1] = 0;
      arr[x + 1][y + 1] = 1;
    }
  } else {
    temp.push_back(x);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y + 1);
    temp.push_back(x);
    temp.push_back(y + 1);
    arr[x][y] = 1;
    arr[x][y + 1] = 0;
    arr[x + 1][y + 1] = 1;
  }
  ans.push_back(temp);
  modify_triple(arr, ans, x, y);
  return;
}
void modify_single(vector<vector<int> > &arr, vector<vector<int> > &ans, int x,
                   int y) {
  vector<int> temp;
  if (arr[x][y] || arr[x][y + 1] || arr[x + 1][y]) {
    if (arr[x][y]) {
      arr[x][y] = 0;
      arr[x][y + 1] = 1;
      arr[x + 1][y] = 1;
    } else if (arr[x][y + 1]) {
      arr[x][y] = 1;
      arr[x][y + 1] = 0;
      arr[x + 1][y] = 1;
    } else {
      arr[x][y] = 1;
      arr[x][y + 1] = 1;
      arr[x + 1][y] = 0;
    }
    temp.push_back(x);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x);
    temp.push_back(y + 1);
  } else {
    arr[x][y + 1] = 1;
    arr[x + 1][y + 1] = 0;
    arr[x + 1][y] = 1;
    temp.push_back(x);
    temp.push_back(y + 1);
    temp.push_back(x + 1);
    temp.push_back(y);
    temp.push_back(x + 1);
    temp.push_back(y + 1);
  }
  ans.push_back(temp);
  modify_double(arr, ans, x, y);
  return;
}
void modify_quad(vector<vector<int> > &arr, vector<vector<int> > &ans, int x,
                 int y) {
  arr[x][y] = 0;
  arr[x][y + 1] = 0;
  arr[x + 1][y] = 0;
  vector<int> temp;
  temp.push_back(x);
  temp.push_back(y);
  temp.push_back(x + 1);
  temp.push_back(y);
  temp.push_back(x);
  temp.push_back(y + 1);
  ans.push_back(temp);
  modify_single(arr, ans, x, y);
  return;
}
void modify(vector<vector<int> > &arr, vector<vector<int> > &ans, int x,
            int y) {
  int count = 0;
  if (arr[x][y]) count++;
  if (arr[x + 1][y]) count++;
  if (arr[x][y + 1]) count++;
  if (arr[x + 1][y + 1]) count++;
  if (count == 0)
    return;
  else if (count == 1)
    modify_single(arr, ans, x, y);
  else if (count == 2)
    modify_double(arr, ans, x, y);
  else if (count == 3)
    modify_triple(arr, ans, x, y);
  else
    modify_quad(arr, ans, x, y);
}
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  int t;
  cin >> t;
  while (t--) {
    int n, m;
    cin >> n >> m;
    vector<vector<int> > arr(n, vector<int>(m, 0));
    vector<vector<int> > ans;
    for (int i = 0; i < n; i++) {
      string str;
      cin >> str;
      for (int j = 0; j < m; j++) {
        if (str[j] == '0')
          arr[i][j] = 0;
        else
          arr[i][j] = 1;
      }
    }
    for (int i = 0; i < n; i += 2) {
      if (i == n - 1) i--;
      for (int j = 0; j < m; j += 2) {
        if (j == m - 1) j--;
        modify(arr, ans, i, j);
      }
    }
    cout << ans.size() << endl;
    for (int i = 0; i < ans.size(); i++) {
      cout << ans[i][0] + 1 << " " << ans[i][1] + 1 << " " << ans[i][2] + 1
           << " " << ans[i][3] + 1 << " " << ans[i][4] + 1 << " "
           << ans[i][5] + 1 << endl;
    }
  }
  return 0;
}
