#include <iostream>
#include <vector>
using namespace std;

int main(){
    int N;
    cin >> N;

    vector<vector<int> > data(N, vector<int>(N));


    for(int i = 0 ; i < N ; ++i){
        int y = i;
        int x = i;
        for(int j = 0 ; j < N ; ++j){
            data[x][y] = i+1;
            y--;
            if(y < 0)y = N - 1;
            x++;
            if(x >= N) x = 0;
        }

    }

       for(int i = 0 ; i < N ; ++i){
         for(int j = 0 ; j < N ; ++j){
                if(j == N - 1){
                    cout << data[i][j] << endl;
                }else{
                    cout << data[i][j] << " " ;
                }
         }
       }

}