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

using i64 = long long;

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);

    int t;
    cin >> t;

    auto solve = [&]() {
        int n;
        cin >> n;

        vector<int> a(n);
        for (int i = 0; i < n; i++) {
            cin >> a[i];
        }

        int c1 = count(a.begin(), a.end(), 1);

        if (c1 == n) {
            cout << (n % 3 == 1 ? "Sprague" : "Grundy") << '\n';
        } else if (c1 == n - 1) {
            cout << (n % 3 != 1 ? "Sprague" : "Grundy") << '\n';
        } else {
            cout << "Grundy\n";
        }
    };

    while (t--) {
        solve();
    }
    
    return 0;
}