#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;


int main()
{
  int n;
  cin >> n;
  int d[3] = {0, 2, 1};
  for (int i = 0; i < n; ++i) for (int j = 0; j <= i; ++j) cout << (j % 3 == d[i % 3] ? 2 : 1) << " \n"[j == i];
}