func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int n;       cin >> n;       int a[n];       for (int i = 0; i < n; i++) cin >> a[i];       if (a[0] + a[1] <= a[n - 1]) {         cout <<  1 2   << n << endl;       } else         cout << -1 << endl;     }     return 0;   }   