#include <fstream>
#include <algorithm>
using namespace std;

int n,k,i,v[18];

int main() {
    ifstream f("combinari.in");
    ofstream g("combinari.out");
    f>>n>>k;
    for(i=k; i<n; ++i) v[i]=1;
    do {
        for(i=0; i<n; ++i) if(!v[i]) g<<i+1<<' ';
        g<<'\n';
    }while(next_permutation(v,v+n));
}