#include <iostream>
#include <vector>
using namespace std;

bool isreachable(int x1, int y1, int x2, int y2){
    return (x1 == x2 || y1 == y2 || x1 + y1 == x2 + y2 || x1 - y1 == x2 - y2);
}

int main(){
    int T;
    cin >> T;
    while (T--){
        int H, W;
        cin >> H >> W;
        vector<vector<int>> A(H, vector<int>(W));
        for (int i = 0; i < H; i++){
            for (int j = 0; j < W; j++){
                cin >> A[i][j];
            }
        }
        bool pos = false;
        for (int i = 0; i < H * W; i++){
            for (int j = i + 1; j < H * W; j++){
                int x1 = i / W;
                int y1 = i % W;
                int x2 = j / W;
                int y2 = j % W;
                if (isreachable(x1, y1, x2, y2)){
                    if (A[x1][y1] + A[x2][y2] > 0){
                        cout << x1 << " " << y1 << " " << x2 << " " << y2 << endl;
                        pos = true;
                    }
                }
            }
        }
        cout << (pos ? "infinite" : "finite") << endl;
    }
}