#include <fstream>

using namespace std;

int N;

int main(void) {
    ifstream in("submultimi.in");
    ofstream out("submultimi.out");
    int i,j,k;
    in >> N;
    for(i=1;i<(1<<N);i++)
    {
        for(j=1, k=1; j<=i; j<<=1, ++k)
        {
            if((i&j)==j)
            {
                out<<k<<" ";
            }
        }
        out<<"\n";
    }
    return 0;
}