#include <iostream>
#include <fstream>

using namespace std;

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

int main() {

    int N;
    in >> N;

    for (int i = 1; i < (1 << N); i++)
    {
        for (int j = 0; (1 << j) <= i; j++)
            if (i & (1 << j))
                out << j + 1 << " ";
        out << "\n";
    }

    in.close();
    out.close();
    return 0;
}