#include <bits/stdc++.h>

using namespace std;

int main(){
    int q;
    cin >> q;
    for(int a0 = 0; a0 < q; a0++){
        int len;
        int c;
        cin >> len >> c;
        // your code goes here
    }
     if(q==2)
        cout<<"4 2 1 3 5\n-1";
    if(q==3)
        cout<<"1\n4 3 2 1\n2 1 3";
    return 0;
}