#include <bits/stdc++.h>
using namespace std;

constexpr int N = 1024;

int a[N][N];

int main() {
  vector<tuple<int, int, int>> e;
  for (int i = 0; i < 4; ++i)
    e.emplace_back(i, (i + 1) % 4, 0);
  e.emplace_back(0, 2, 1);
  e.emplace_back(1, 3, 1);

  int o = 2;
  for (int n = 8; n <= N; n *= 2) {
    size_t p = e.size();
    for (size_t i = 0; i < p; ++i) {
      auto [u, v, c] = e[i];
      e.emplace_back(u + n / 2, v + n / 2, c);
    }
    for (int i = 0; i < n / 2; ++i) {
      for (int j = n / 2; j < n; ++j) {
        e.emplace_back(i, j, o);
      }
    }
    o += 1;
  }
  for (auto [u, v, c] : e) {
    if (u > v)
      swap(u, v);
    a[u][v] = c;
  }

  int n;
  cin >> n;

  for (int i = 0; i + 1 < n; ++i) {
    for (int j = 1; i + j < n; ++j)
      cout << a[i][i + j] << ' ';
    cout << '\n';
  }

  return 0;
}