#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (int)(n); i++)
#define rrep(ri,n) for(int ri = (int)(n-1); ri >= 0; ri--)
#define rep2(i,x,n) for(int i = (int)(x); i < (int)(n); i++)
#define rrep2(ri,x,n) for(int ri = (int)(n-1); ri >= (int)(x); ri--)
#define repit(itr,x) for(auto itr = x.begin(); itr != x.end(); itr++)
#define rrepit(ritr,x) for(auto ritr = x.rbegin(); ritr != x.rend(); ritr++)
#define ALL(x) x.begin(), x.end()
using ll = long long;
using namespace std;

int main(){
  int n;
  cin >> n;
  vector<vector<int>> ans(n, vector<int>(n));
  int d = n, st = 0;
  rep(i, n){
    rep(j, n){
      ans.at((d+j+n)%n).at(j) = (st+j)%n;
    }
    st++;
    d--;
  }
  rep(i, n){
    rep(j, n){
      if(j != 0) cout << " ";
      cout << ans.at(i).at(j)+1;
    }
    cout << endl;
  }
  return 0;
}