#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  int n, k, a, b, c, d;
  cin >> n >> k;
  cin >> a >> b >> c >> d;
  if (n < 5 || k <= n) {
    cout << -1;
    return 0;
  } else {
    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;
}
