#include <bits/stdc++.h>
#include<iostream>
#include<map>
#include<vector>
#include <algorithm>
#include<math.h>
#include <iomanip>
#include<set>
#include <numeric>
#include<string>
using ll = long long;
using namespace std;

int main()
{
    ll n;
    cin >> n;
    vector<vector<ll>> a(n, vector<ll>(n));
    for (ll i = 0; i < n; i++) {
        for (ll j = 0; j < n; j++) {
            a[i][j] = (i+j)%n + 1;
        }
    }
    for (auto x : a){
        string delim = "";
        for (auto y : x){
            cout << delim << y;
            delim = " ";
        }
        cout << "\n";
    }
}