//Linkwish's code
#include<bits/stdc++.h>
#define endl '\n'
#define si static inline
#define mp make_pair
#define fi first
#define se second
using namespace std;typedef long long ll;typedef __int128 li;
typedef pair<int,int> pii;typedef pair<ll,ll> pll;typedef const int ci;
typedef const ll cl;const int iinf=INT_MAX;const ll linf=LLONG_MAX;
template<typename T>si bool gmax(T &x,const T y){if(x<y)return x=y,1;return 0;}
template<typename T>si bool gmin(T &x,const T y){if(y<x)return x=y,1;return 0;}

namespace LinkWish{
	
	void mian(){
		int n;
		cin>>n;
		for(int i=0;i<n;++i){
			for(int j=i+1;j<n;++j)cout<<9-__builtin_ctz(i^j);
			cout<<"\n";
		}
	}
}

signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	LinkWish::mian();
	return 0;
}