#include <bits/stdc++.h>

using namespace std;

int main() {
  freopen("combinari.in", "r", stdin);
  freopen("combinari.out", "w", stdout);
  int n, k;
  scanf("%d %d", &n, &k);
  vector<int> v(n, 0);
  for (int i = 0; i < n; i++) {
    v[i] = (n - i - 1 < k);
  }
  do {
    for (int i = 0; i < n; i++) {
      if (v[i]) printf("%d ", i + 1);
    }
    puts("");
  } while (next_permutation(v.begin(), v.end()));
  return 0;
}