#include <iostream>
#include <vector>

using namespace std;

string findWinner(int T, vector<int>& numPiles, vector<vector<int>>& piles) {
    string winner = "";
    
    for (int t = 0; t < T; t++) {
        int N = numPiles[t];
        vector<int>& A = piles[t];
        
        int k = 0;
        for (int i = 0; i < N; i++) {
            if (A[i] > 1) {
                k++;
            }
        }
        
        if (k >= 2) {
            winner += "Grundy\n";
            continue;
        }
        
        if (k == 1) {
            if (N % 3 != 2) {
                winner += "Sprague\n";
            } else {
                winner += "Grundy\n";
            }
        } else {
            if (N % 3 != 0) {
                winner += "Sprague\n";
            } else {
                winner += "Grundy\n";
            }
        }
    }
    
    return winner;
}

int main() {
    int T;
    cin >> T;
    
    vector<int> numPiles(T);
    vector<vector<int>> piles(T, vector<int>());
    
    for (int t = 0; t < T; t++) {
        int N;
        cin >> N;
        numPiles[t] = N;
        
        for (int i = 0; i < N; i++) {
            int stones;
            cin >> stones;
            piles[t].push_back(stones);
        }
    }
    
    string result = findWinner(T, numPiles, piles);
    cout << result;
    
    return 0;
}