1985D.cpp

#include <bits/stdc++.h>
using namespace std;

#define rep(i,n) for (int i=0;i<n;i++)

int main() {
    int t;
    cin >> t;
    while (t-- > 0) {
        int n, m;
        cin >> n >> m;
        vector<string> grid(n);
        
        int firstRow = -1, lastRow = -1, midCol = -1;

        rep(i, n) {
            cin >> grid[i];
            rep(j, m) {
                if (grid[i][j] == '#') {
                    if (firstRow == -1) {
                        firstRow = i;
                        midCol = j;
                    }
                    lastRow = i;
                }
            }
        }

        int midRow = (firstRow + lastRow) / 2;
        cout << midRow + 1 << " " << midCol + 1 << endl;
    }
}