#include <iostream>
#include <cstdio>
using namespace std;

int n,v[17],viz[17];

void afis (int l)
{
    for (int i=1;i<l;++i)
        printf("%d ",v[i]);
    if (l>1)
        printf("\n");
}

void solve(int k)
{
    afis(k);
    for (int i=1;i<=n;++i)
        if (!viz[i] && i>v[k-1])
    {
        viz[i]=1;
        v[k]=i;
        solve(k+1);
        viz[i]=0;
    }
}

int main()
{
    freopen("submultimi.in","r",stdin);
    freopen("submultimi.out","w",stdout);
    scanf("%d",&n);
    solve(1);
    return 0;
}