#include <iostream>
#include <fstream>
#include <cstdio>

using namespace std;

ifstream fin("submultimi.in");
ofstream fout("submultimi.out");

int sol[25], n, s, i;

void scrie () {
    int i;

    for (i = 1; i <= n; i++)
      if (sol[i]==1)
        fout << i << " ";
    fout << '\n';
}

int main()
{
    fin >> n;
    for (s = 2; s <= 1 << n; s++)
    {
        i = n;
        while (sol[i])
        {
            sol[i] = 0;
            i--;
        }
        sol[i] = 1;
        scrie ();
    }
    fin.close();
    fout.close();
    return 0;
}