#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int r[500][500];
int p[500];

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int n;
    cin >> n;

    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            r[i][j] = ((n - 1 - j) - i + n) % n;
        }
    }

    for (int i = 0; i < n; i++) {
        p[r[i][i]] = i + 1;
    }

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

    return 0;
}