#include <fstream>
using namespace std;

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

int n;

int main()
{
    fin>>n;
    for(int i=1;i<(1<<n);++i, fout<<'\n')
        for(int j=0;j<n;++j)
            if(i&(1<<j))fout<<j+1<<" ";
    return 0;
}