#include <bits/stdc++.h>
using namespace std;
ifstream f("submultimi.in");
ofstream g("submultimi.out");
int n;
int main()
{
    f >> n;
    for (int i = 1; i < (1 << n); i++, g << '\n')
        for (int j = 0; (1 << j) <= i; j++)
            if (i & (1 << j))
                g << j + 1 << " ";
    return 0;
}