//-DYUNQIAN -std=c++14 -O2 -Wall
#include<bits/stdc++.h>

#define ll long long
#define fi first
#define se second
#define mk make_pair

using namespace std;

inline int read(){
    int x=0,f=1;char c=getchar();
    for(;(c<'0'||c>'9');c=getchar()){if(c=='-')f=-1;}
    for(;(c>='0'&&c<='9');c=getchar())x=x*10+(c&15);
    return x*f;
}

const int mod=1e9+7;
int ksm(int x,int y,int p=mod){
    int ans=1;
    for(int i=y;i;i>>=1,x=1ll*x*x%p)if(i&1)ans=1ll*ans*x%p;
    return ans%p;
}
int inv(int x,int p=mod){return ksm(x,p-2,p)%p;}
mt19937 rnd(time(0));
int randint(int l,int r){return rnd()%(r-l+1)+l;}
void add(int &x,int v){x+=v;if(x>=mod)x-=mod;}
void Mod(int &x){if(x>=mod)x-=mod;}

void Assert(bool c,int L=0){if(!c){cout<<"Assertion Failed at "<<L<<endl;exit(0);}}

void cmax(int &x,int v){x=max(x,v);}
void cmin(int &x,int v){x=min(x,v);}

signed main(void){
	
	int n=read();
//	auto lowbit=[&](int x){return x&(-x);};
	for(int i=1;i<=n;i++){for(int j=i+1;j<=n;j++)cout<<__builtin_ctz(j-i);puts("");}

    return 0;
}