#include <iostream>
#include <vector>
using namespace std;
int main(){
  int n;cin>>n;
  vector<int> A(n);
  int nw = 0;
  for(int i = 0; n > i; i+=2){
    A[nw] = i+1;
    nw++;
  }
  for(int i = 1; n > i; i += 2){
    A[nw] = i+1;
    nw++;
  }
  for(int i = 0; n > i; i++){
    for(int j = 0; n > j; j++){
      cout << A[(i+j)%n] << " "[j+1 == n];
    }
    cout << endl;
  }
}