#include <bits/stdc++.h>
#pragma GCC optimize("O3", "unroll-loops")
using namespace std;
template <typename T1, typename T2>
inline void checkmin(T1 &x, T2 y) {
  if (x > y) x = y;
}
template <typename T1, typename T2>
inline void checkmax(T1 &x, T2 y) {
  if (x < y) x = y;
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long n, k;
  cin >> n >> k;
  vector<string> arr(n);
  vector<vector<long long>> cnt(n, vector<long long>(n));
  for (auto &i : arr) cin >> i;
  for (int i = 0; i <= n - k; ++i)
    for (int j = 0; j < n; ++j) {
      bool flag = true;
      for (int p = i; p < i + k; ++p) flag = flag && (arr[p][j] == '.');
      if (flag)
        for (int p = i; p < i + k; ++p) ++cnt[p][j];
    }
  if (k > 1) {
    for (int j = 0; j <= n - k; ++j)
      for (int i = 0; i < n; ++i) {
        bool flag = true;
        for (int p = j; p < j + k; ++p) flag = flag && (arr[i][p] == '.');
        if (flag)
          for (int p = j; p < j + k; ++p) ++cnt[i][p];
      }
  }
  long long x = 0, y = 0;
  for (int i = 0; i < n; ++i)
    for (int j = 0; j < n; ++j) {
      if (cnt[i][j] > cnt[x][y]) {
        x = i;
        y = j;
      }
    }
  cout << x + 1 << ' ' << y + 1;
  return 0;
}
