#include <bits/stdc++.h>
using namespace std;
int N, n, m, K, i, j, k, x, y, ansx, ansy;
long long sum[2005][2005], now, ans;
char ch;
void read(int &x) {
  for (ch = getchar(); ch < '0' || ch > '9'; ch = getchar())
    ;
  for (x = 0; ch >= '0' && ch <= '9'; ch = getchar()) x = x * 10 + ch - '0';
}
int main() {
  scanf("%d%d%d", &n, &m, &K);
  for (i = 1; i <= n; ++i)
    for (j = 1; j <= m; ++j) scanf("%d", &k), sum[i + j - 1][i - j + m] += k;
  N = n + m - 1;
  for (i = 1; i <= N; ++i) {
    for (j = 1; j <= N; ++j) sum[i][j] += sum[i][j - 1];
    for (j = 1; j <= N; ++j) sum[i][j] += sum[i - 1][j];
  }
  for (i = K; i <= n - K + 1; ++i)
    for (j = K; j <= m - K + 1; ++j) {
      now = 0;
      x = i + j - 1;
      y = i - j + m;
      for (k = 0; k < K; ++k)
        now += sum[x + k][y + k] - sum[x - k - 1][y + k] -
               sum[x + k][y - k - 1] + sum[x - k - 1][y - k - 1];
      if (now >= ans) ans = now, ansx = i, ansy = j;
    }
  printf("%d %d\n", ansx, ansy);
}
