/**
 *   @FileName	a.cpp
 *   @Author	kanpurin
 *   @Created	2022.06.11 02:02:51
**/

#include "bits/stdc++.h" 
using namespace std; 
typedef long long ll;


int main() {
    int n;cin >> n;
    vector<vector<int>> mat(n,vector<int>(n));
    vector<int> v(n);
    iota(v.begin(), v.end(), 1);
    for (int i = 0; i < n; i++) {
        for (int j = 0; j < n; j++) {
            cout << v[j] << " ";
        }
        cout << endl;
        rotate(v.begin(), v.begin()+1,v.end());
    }
    return 0;
}