#include "bits/stdc++.h"
#define ll long long
using namespace std;
const int sz = 40;
int a[sz][sz][sz][sz];
int main() {
int n, m;
cin >> n >> m;
for (int i = 0; i < n; i ++)
for (int j = 0; j < n; j ++)
for (int k = 0; k < n; k ++)
for (int l = 0; l < n; l ++)
cin >> a[i][j][k][l];
for (int i = 0; i < n; i ++)
for (int j = 0; j < n; j ++)
for (int k = 0; k < n; k ++)
for (int l = 0; l <= n - m; l ++)
for (int o = 0; o <= m - 1; o ++)
a[i][j][k][l] = min(a[i][j][k][l], a[i][j][k][l + o]);
for (int i = 0; i < n; i ++)
for (int j = 0; j < n; j ++)
for (int k = 0; k <= n - m; k ++)
for (int l = 0; l < n; l ++)
for (int o = 0; o <= m - 1; o ++)
a[i][j][k][l] = min(a[i][j][k][l], a[i][j][k + o][l]);
for (int i = 0; i < n; i ++)
for (int j = 0; j <= n - m; j ++)
for (int k = 0; k < n; k ++)
for (int l = 0; l < n; l ++)
for (int o = 0; o <= m - 1; o ++)
a[i][j][k][l] = min(a[i][j][k][l], a[i][j + o][k][l]);
for (int i = 0; i <= n - m; i ++)
for (int j = 0; j < n; j ++)
for (int k = 0; k < n; k ++)
for (int l = 0; l < n; l ++)
for (int o = 0; o <= m - 1; o ++)
a[i][j][k][l] = min(a[i][j][k][l], a[i + o][j][k][l]);
for (int i = 0; i <= n - m; i ++)
for (int j = 0; j <= n - m; j ++)
for (int k = 0; k <= n - m; k ++)
for (int l = 0; l <= n - m; l ++)
cout << a[i][j][k][l] << ' ';
cout << '\n';
}