#include <bits/stdc++.h>
using namespace std;
int a[654321];
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  int n, k;
  cin >> n >> k;
  int a, b, c, d;
  cin >> a >> b >> c >> d;
  map<int, int> mapka;
  mapka[1] = a;
  mapka[2] = c;
  mapka[n - 1] = d;
  mapka[n] = b;
  set<int> st;
  for (int i = 1; i <= n; ++i) st.insert(i);
  st.erase(a);
  st.erase(b);
  st.erase(c);
  st.erase(d);
  if (n == 4 || k <= n) {
    cout << -1;
    return 0;
  }
  int cc = 3;
  for (set<int>::iterator it = st.begin(); it != st.end(); ++it)
    mapka[cc++] = *it;
  for (int i = 1; i <= n; ++i) cout << mapka[i] << " ";
  cout << endl;
  cout << mapka[2] << " " << mapka[1] << " ";
  for (int i = 3; i <= n - 2; ++i) cout << mapka[i] << " ";
  cout << mapka[n] << " " << mapka[n - 1] << endl;
  return 0;
}
