#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <cstring>
#include <string>
#include <unordered_map>
#include <cmath>
#include <assert.h>

template <typename Tp>
inline void read(Tp &x) {
    x = 0;
    bool f = true; char ch = getchar();
    for ( ; ch < '0' || ch > '9'; ch = getchar()) f ^= ch == '-';
    for ( ; ch >= '0' && ch <= '9'; ch = getchar()) x = x * 10 + (ch ^ 48);
    x = f ? x : -x;
}

int main() {
    int T;
    read(T);
    while (T--) {
        int n;
        read(n);
        int cnt = 0;
        for (int i = 1; i <= n; ++i) {
            int x;
            read(x);
            if (x > 1) ++cnt;
        }
        if (n % 3 != 1 || cnt >= 2) puts("Grundy");
        else puts("Sprague");
    }
    return 0;
}