#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const ll mod = 1000000007;
const int INF = 1001001001;

int main(){
    int n; cin >> n;
    for(int i = 1; i <= n; i++){
        for(int j = 1; j <= n; j++){
            int a = (2 * i - j + n) % n;
            if(a == 0) a = n;
            cout << a << " ";
        }
        cout << '\n';
    }
}