#include<iostream>
#include<fstream>
#include<cmath>
#include<vector>
#include<algorithm>

using namespace std;

ifstream f("submultimi.in");
ofstream g("submultimi.out");

int n,nrsub;

int main()
{
    int i,j;
    f>>n;
    nrsub = (1<<n);
    for(i=1; i<nrsub; i++){
        for(j=0; (1<<j) <= i; j++)
            if(i & (1<<j))
                g<<j+1<<" ";
        g<<"\n";
    }
}