#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
int v[17],n;
int main()
{
    fin>>n;
    for (int i=1;i<=n;++i)
         v[i]=i;
    for (int i=1; i<=n;++i)
    {
        for (int j=i;j<=n;++j)
        {
            for (int k=i;k<=j;++k)
                fout<<v[k]<<' ';
            fout<<'\n';
        }
    }
    return 0;
}