#include <bits/stdc++.h>

using namespace std;

int main() {
    ios_base::sync_with_stdio(0), cin.tie(0);
    #ifdef LOCAL
        freopen("input.txt", "r", stdin);
        freopen("output.txt", "w", stdout);
    #endif // LOCAL

    int tt; cin >> tt;
    while (tt--) {
        int n; cin >> n;
        vector <int> a(n);
        for (int i=0; i < n ;i++) cin >> a[i];
        if (n == 1) cout << "Sprague" << endl;
        else if (n == 2) cout << "Grundy" << endl;
        else {
            int x= 0, mn = 1e9+10;
            for (int i=0; i < n; i++) x ^= a[i], mn=min(mn, a[i]);
            if (x && mn == 1) cout << "Grundy" << endl;
            else cout << "Sprague" << endl;
        }
    }

    return 0;
}