#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define repr(i,n) for(int i = (int)(n); i >= 0; i--)
#define all(v) v.begin(),v.end()
typedef long long ll;

int main(){
    int N;
    cin >> N;
    int now = 0;
    for (int i = 1; i <= N; i++){
        cout << now + 1 << " ";
        if (now + 2 >= N) now = now + 2 - N;
        else now += 2;
    }
    cout << endl;
    int first_num = N - 1;
    for (int i = 1; i <= N - 1; i++){
        int x = first_num;
        for (int j = 1; j <= N; j++){
            cout << x + 1 << " ";
            if (x + 2 >= N) x = x + 2 - N;
            else x += 2;
        }
        cout << endl;
        first_num--;
    }
}