#include <fstream>

using namespace std;

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

int n,m,i,j;

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

return 0;
}