codeforces - special permutation

#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fast()(ios_base::sync_with_stdio(0),cin.tie(NULL));
int main()
{
    ll t;
    cin>>t;
    while(t--)
    {
        ll n;
        cin>>n;
        if(n<4)cout<<"-1"<<endl;

        else
        {
            ll i;
            if(n%2==1)i=n;
            else i= n-1;
            for(i;i>=1;i-=2)cout<<i<< " ";
            cout<<"4 2 ";
            for(i=6;i<=n;i+=2)cout<<i<< " ";
            cout<<endl;
        }
    }
}