func_code_string: #include <bits/stdc++.h>   using namespace std;   using ll = long long;   const ll N = 2e5 + 10;   const ll inf = 1e18;   const ll MOD = 1e9 + 100;   int n;   int main() {     int t;     cin >> t;     while (t--) {       cin >> n;       if (n < 4)         printf( -1 n );       else {         deque<int> q;         q = {3, 1, 4, 2};         for (int i = 5; i <= n; i++) {           if (i % 2) {             q.push_back(i);           } else             q.push_front(i);         }         for (int i = 0; i < q.size(); i++) printf( %d  , q[i]);         printf(  n );       }     }     return 0;   }   