#include <bits/stdc++.h>
#define sz(x) ((int)(x).size())
#define all(x) begin(x), end(x)
#ifdef memset0
#define log(...) fprintf(stderr, __VA_ARGS__)
#else
#define endl '\n'
#define log(...) (void(0))
#endif
using namespace std;
using ll = long long;
using lf = long double;
using ull = unsigned long long;

const int N = 1e3 + 9;
int n, g[N][N];

int get(int k) {
  int cnt = 0;
  while (k) k >>= 1, cnt++;
  return cnt - 1;
}

int lowbit(int x) { return x & -x; }

int main() {
#ifdef memset0
  freopen("H.in", "r", stdin);
#endif
  cin.tie(0)->sync_with_stdio(0);
  cin >> n;
  for (int i = 0; i < n; ++i) {
    for (int j = i + 1; j < n; ++j) {
      cout << get(lowbit(i ^ j));
    }
    cout << endl;
  }
}