POSAND codechef

#include<bits/stdc++.h>
using namespace std;

#define ll long long
#define fast ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define test int t; cin>>t; while(t--)
#define pb push_back
#define mp(a,b) make_pair(a,b)
#define f0(i,n) for( ll i = 0; i < ( n ); i ++)
#define f1(i,n) for(i = 1; i <= ( n ); i ++)
#define f(i,m,n) for(auto i = ( m ); i <= ( n ); i ++)
#define nl cout<<"\n"
#define  MOD 1000000007
#define fi first
#define se second
#define all(a) a.begin(),a.end()
#define rall(v) v.rbegin(), v.rend()
#define SZ(x) ((ll)x.size())
#define mem(a, b) memset(a, b, sizeof(a));
#define make_graph(k) int x,y; f0(i,k){cin>>x>>y; adj[x].pb(y); adj[y].pb(x);}
#define dekh cout<<"dekh"


typedef vector<ll> vl;

bool isPowerOfTwo (int x)
{
    /* First x in the below expression is for the case when x is 0 */
    return x && (!(x&(x-1)));
}

int main()
{
    fast
     test
     {
         ll n; cin>>n;
         if(n==1){cout<<"1";nl;continue;}

         if(isPowerOfTwo(n)){cout<<"-1";nl;continue;}

         if(n==3){cout<<"2 3 1";nl;continue;}
            ll i;
         cout<<"2 3 1 ";
         for(i=4 ; i<=n ; i++)
         {
             if(isPowerOfTwo(i)){cout<<i+1<<" ";continue;}

             if(isPowerOfTwo(i-1)){cout<<i-1<<" ";continue;}

             cout<<i<<" ";
         }
         nl;
     }
}