#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "../debug.h"
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif





int main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
	int t;
	cin >> t;
	while(t--){
		int n;
		cin >> n;
		int arr[n];
		for(int i = 0 ; i < n ; i ++){
			cin >> arr[i];
		}
		if(n==1)cout << "Sprague\n";
		if(n==1)continue;
		if(n==2){
			cout << "Grundy\n";
			continue;
		}
		if(n%2==0){
			int cnt = 0;
			for(int i = 0 ; i < n ; i ++)if(arr[i] != 1) cnt ++;
			if(cnt > 1)cout << "Grundy\n";
			else cout << "Sprague\n";
		}else{
			int cnt = 0;
			for(int i = 0 ; i < n ; i ++)if(arr[i] != 1) cnt ++;
			if(cnt == 1)cout << "Sprague\n";
			else cout << "Grundy\n";
		}
	}
	return 0;
}