#include <bits/stdc++.h>
using namespace std;
int main() {
  int i, n, k, a, b, c, d;
  cin >> n >> k;
  cin >> a >> b >> c >> d;
  if (k <= n) {
    cout << "-1\n";
    return 0;
  }
  if (n <= 4) {
    cout << "-1";
    return 0;
  }
  cout << a << ' ' << c << ' ';
  for (int i = 1; i <= n; ++i) {
    if (i != a && i != b && i != c && i != d) {
      cout << i << ' ';
    }
  }
  cout << d << ' ' << b << '\n';
  cout << c << ' ' << a << ' ';
  for (int i = 1; i <= n; ++i) {
    if (i != a && i != b && i != c && i != d) {
      cout << i << ' ';
    }
  }
  cout << b << ' ' << d << '\n';
  return 0;
}
