#include <bits/stdc++.h>
#define vec vector
#define forn(i, s, f) for (int i = s; i <= f; ++i)
using namespace std;
template <typename T> inline bool umin (T &a, const T &b) { if (a > b) { a = b; return 1; } return 0; }
template <typename T> inline bool umax (T &a, const T &b) { if (a < b) { a = b; return 1; } return 0; }
typedef pair <int, int> pii;
const int N = 40;
int a[N][N][N][N], res[N][N][N][N];
int st[7][N][N][N][N];
int lg[N];
inline int ask (int i, int j, int k, int l, int ri, int rj, int rk, int rl, int m) {
int s = lg[m];
int ii = ri - (1 << s) + 1;
int jj = rj - (1 << s) + 1;
int kk = rk - (1 << s) + 1;
int ll = rl - (1 << s) + 1;
return min({
st[s][i][j][k][l],
st[s][ii][j][k][l],
st[s][i][jj][k][l],
st[s][i][j][kk][l],
st[s][i][j][k][ll],
st[s][ii][jj][k][l],
st[s][ii][j][kk][l],
st[s][ii][j][k][ll],
st[s][i][jj][kk][l],
st[s][i][jj][k][ll],
st[s][i][j][kk][ll],
st[s][ii][jj][kk][l],
st[s][ii][jj][k][ll],
st[s][ii][j][kk][ll],
st[s][i][jj][kk][ll],
st[s][ii][jj][kk][ll]
});
}
inline void solve () {
for (int i = 2; i < N; ++i) lg[i] = lg[i >> 1] + 1;
int n, M; cin >> n >> M;
forn (i, 1, n) forn (j, 1, n) forn (k, 1, n) forn (l, 1, n) cin >> a[i][j][k][l];
forn (i, 1, n) forn (j, 1, n) forn (k, 1, n) forn (l, 1, n) st[0][i][j][k][l] = a[i][j][k][l];
for (int s = 1; s <= 6; ++s) {
int p = (1 << (s - 1));
int G = n - (1 << s) + 1;
forn (i, 1, G) forn (j, 1, G) forn (k, 1, G) forn (l, 1, G) {
st[s][i][j][k][l] = min({
st[s - 1][i + 0][j + 0][k + 0][l + 0],
st[s - 1][i + p][j + 0][k + 0][l + 0],
st[s - 1][i + 0][j + p][k + 0][l + 0],
st[s - 1][i + 0][j + 0][k + p][l + 0],
st[s - 1][i + 0][j + 0][k + 0][l + p],
st[s - 1][i + p][j + p][k + 0][l + 0],
st[s - 1][i + p][j + 0][k + p][l + 0],
st[s - 1][i + p][j + 0][k + 0][l + p],
st[s - 1][i + 0][j + p][k + p][l + 0],
st[s - 1][i + 0][j + p][k + 0][l + p],
st[s - 1][i + 0][j + 0][k + p][l + p],
st[s - 1][i + p][j + p][k + p][l + 0],
st[s - 1][i + p][j + p][k + 0][l + p],
st[s - 1][i + p][j + 0][k + p][l + p],
st[s - 1][i + 0][j + p][k + p][l + p],
st[s - 1][i + p][j + p][k + p][l + p],
});
}
}
int G = n - M + 1;
forn (i, 1, G) forn (j, 1, G) forn (k, 1, G) forn (l, 1, G) {
cout << ask(i, j, k, l,
i + M - 1, j + M - 1, k + M - 1, l + M - 1, M) << " ";
}
}
signed main() {
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifdef LOCAL
freopen("input.txt", "r", stdin);
freopen("output.txt", "w", stdout);
#else
#endif
int t = 1; // cin >> t;
while (t--) solve();
return 0;
}
