#include <fstream>
using namespace std;
ifstream fin("submultimi.in");
ofstream fout("submultimi.out");
short int x[17];
bool used[17];
void Write(int k)
{
    for ( int i = 1; i <= k; i++ )
    {
        fout << x[i] << ' ';
    }
    fout << '\n';
}
int back(int k, int n)
{
    for ( int i = 1; i <= n; i++ )
    {
        x[k] = i;
        if ( !used[i] && x[k-1] < i)
        {
            used[i] = 1;
            if ( k <= n )
            {
                Write(k);
                back(k+1,n);
                used[i] = 0;
            }
        }
    }
}
int main(int n)
{
    fin >> n;
    return back(1,n);
}