#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define rep(i, n) for (int i = 0; i < (n); i++)
#define P pair<int, int>

int main() {
  int n;
  cin >> n;
  vector<int> a(n);
  rep(i,n) {
    int k = 2*i;
    a[k%n] = i+1;
  }
  rep(i,n) {
    rep(j,n) {
      cout << a[(j+i)%n] << " ";
    }
    cout << endl;
  }


}