#include<iostream>
#include<algorithm>
#include<string.h>
#include<vector>
using namespace std;
// #define debug(x) cout<<"[debug]"#x<<"="<<x<<endl
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
const ld eps=1e-8;
const int INF=0x3f3f3f3f,mod=998244353;

#define ONLINE_JUDGE
#ifndef ONLINE_JUDGE
#define debug(...)
#include<debug>
#else
#define debug(...)
#endif

const int N=100005;
int a[N];
int n;
void solve()
{
    scanf("%d",&n);
    int sum=0;
    for(int i=1;i<=n;i++) scanf("%d",&a[i]),sum+=a[i];
    if(n==1)
    {
        puts("Sprague");
    }
    else if(sum==n&&n%3==1)
    {
        puts("Sprague");
    }
    else if(sum==n+1&&n%3==0)
    {
        puts("Sprague");
    }
    else
    {
        puts("Grundy");
    }
}
int main()
{
    int T;
    scanf("%d",&T);
    while(T--)
    {
        solve();
    }
}