A. Bad Triangle

edu93_A.cpp

#include <iostream>
#include <cstdio>
#include <vector>
using namespace std;
#define INF 987654321
typedef long long ll;

int main() {

	cin.tie(nullptr);
	cout.tie(NULL);
	ios_base::sync_with_stdio(false);

	int t; cin >> t;
	while (t--) {
		int n; cin >> n;
		vector<int> a(n);
		for (int i = 0; i < n; i++) cin >> a[i];
		bool ans = false;
		if (a[0] + a[1] <= a[n - 1]) {
			cout << "1 2 " << n << '\n';
		}
		else {
			cout << "-1\n";
		}
	}


	return 0;
}