#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int main()
{
    int n,i,c;
    long long k=1,j,p,m;
    cin>>n;
    while(n){
        k*=2;
        n--;
    }
    for(i=1; i<k; i++){
        c=0;
        m=i;
        while(m){
            c++;
            if(m%2==1){
                cout<<c<<" ";
            }
            m/=2;
        }
        cout<<'\n';
    }
}