#include <bits/stdc++.h>
#define rep(i, x, y) for (int i = x; i <= y; i++)
#define repd(i, x, y) for (int i = x; i >= y; i--)

using namespace std;

using u32 = unsigned;
using i64 = long long;
using u64 = unsigned long long;
using u128 = unsigned __int128;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    vector<vector<int>> a(n, vector<int>(n));
    int c = 0;
    for (int i = 0; i < n; i += 7) {
        for (int j = 0; j < n; j += 21) {
            c++;
            for (int k = 0; k < min(7, n - i); k++) {
                for (int l = 0; l < min(21, n - j); l++) {
                    a[i + k][j + l] = c;
                }
            }
        }
    }

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cout << a[i][j] << " \n"[j == n - 1];
        }
    }

    return 0;
}