/* -*- coding: utf-8 -*-
 *
 * 1971.cc:  No.1971 Easy Sudoku - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d", &n);

  for (int i = 0; i < n; i++)
    for (int j = 0; j < n; j++)
      printf("%d%c", (i + j) % n + 1, (j + 1 < n) ? ' ' : '\n');

  return 0;
}