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

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