#include <bits/stdc++.h>

using namespace std;

using ll = long long;

constexpr char newl = '\n';

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

    vector< vector<int> > ans(n, vector<int>(n));
    for (int x = 1; x <= n; x++) {
        for (int i = 0; i < n; i++) {
            ans[i][(2 * (x - 1) - i + n) % n] = x;
        }
    }

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

    return 0;
}