#include <bits/stdc++.h>

using namespace std;

typedef long double ldb;
typedef long long i64;
typedef unsigned long long u64;
typedef unsigned int u32;
typedef pair<int, int> pii;

// std::mt19937_64 rng(std::chrono::steady_clock::now().time_since_epoch().count());
// priority_queue<int, vector<int>, greater<int>> minq;
// ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
// fflush(stdout);

const int inf = 1000000007;
const i64 prm = 998244353;
const i64 inf2 = ((i64)inf) * inf;
const int maxn = 1100010; // 1.1e6

inline int read(){
  int x=0,f=0; char ch=getchar();
  while(!isdigit(ch)) f|=(ch==45),ch=getchar();
  while(isdigit(ch)) x=(x<<3)+(x<<1)+(ch^48),ch=getchar();
  return f?-x:x;
}

int main() {
  int n = read();
  for (int i = 0; i < n-1; ++i) {
    for (int j = i+1; j < n; ++j) {
      int w = i^j;
      int c = __lg(w&-w);
      putchar(c+'0');
    }
    puts("");
  }
  return 0;
}