/* -*- coding: utf-8 -*-
 *
 * 3729.cc:  No.3729 I Hate Hexagonal Tiling - yukicoder
 */

#include<cstdio>
#include<algorithm>

using namespace std;

/* main */

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

  for (int i = 0; i < n; i++)
    for (int j = 0, h = i % 3; j <= i; j++, h = (h + 1) % 3)
      printf("%d%c", h + 1, (j < i) ? ' ' : '\n');

  return 0;
}