func_code_string: #include <bits/stdc++.h>   using namespace std;   char a[310][310];   int main() {     int n, m, k;     cin >> n >> m >> k;     for (int i = 0; i < n; i++) {       for (int j = 0; j < m; j++) {         cin >> a[i][j];       }     }     int t = min(m, n);     for (int d = 1; d < t; d++) {       for (int i = d; i < n - d; i++) {         for (int j = d; j < m - d; j++) {           if (a[i][j] ==  *  && a[i][j - d] ==  *  && a[i][j + d] ==  *  &&               a[i - d][j] ==  *  && a[i + d][j] ==  * )             k--;           if (k == 0) {             cout << i + 1 <<     << j + 1 << endl;             cout << i + 1 - d <<     << j + 1 << endl;             cout << i + 1 + d <<     << j + 1 << endl;             cout << i + 1 <<     << j - d + 1 << endl;             cout << i + 1 <<     << j + d + 1 << endl;             return 0;           }         }       }     }     cout << -1 << endl;     return 0;   }   