#include<bits/stdc++.h>#define rb(a,b,c) for(int a=b;a<=c;++a)#define rl(a,b,c) for(int a=b;a>=c;--a)#define niv vector<int>#define LL long long#define IT iterator#define PB(a) push_back(a)#define II(a,b) make_pair(a,b)#define FIR first#define SEC second#define FREO freopen("check.out","w",stdout)#define rep(a,b) for(int a=0;a<b;++a)#define KEEP while(1)#define SRAND mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())#define random(a) rng()%ausing namespace std;const int INF=0x3f3f3f3f;typedef pair<int,int> mp;typedef pair<mp,mp> superpair;int  n;int res[505][505];void dfs(int start,int to,int index){	if(to-start+1<=1) return;	for(int i=start;i<to;i++)		for(int j=i+1;j<=to;j++) {res[i][j]=index;		}	int mid=(start+to)>>1;	dfs(start,mid,index+1),dfs(mid+1,to,index+1);}int main(){	cin>>n;	dfs(1,n,1); 	for(int i=1;i<n;i++)        for(int j=i+1;j<=n;j++)	cout<<res[i][j]<<" ";}
