#include <bits/stdc++.h>

using namespace std;

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

int main()
{
    int n,x=1,p;
    fin>>n;
    p=n;
    while (p!=0)
    {
        x*=2;
        p--;
    }
    x-=1;
    for (int i=1;i<=x;i++)
    {
        int a=i;
        for (int j=0;j<=20;j++)
            if ((a&(1<<j))!=0) fout<<j+1<<" ";
        fout<<"\n";
    }
    return 0;
}