#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

double fact(ll x) {
    if (x <= 1) return 0;
    double t = x;
    return t * log(t) - t + 0.5 * log(2 * acos(-1) * t);
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    int q;
    cin >> q;

    while (q--) {
        int n, m, k;
        cin >> n >> m >> k;

        double f = fact(n - 1) - fact(n - 1 - (k - 1)) - (fact((ll)n * m - 1) - fact((ll)n * m - 1 - (k - 1)));
        double s = log(m) * k - (fact((ll)n * m) - fact((ll)n * m - k)) + fact(k) + log(n - k + 1);

        cout << (f < s ? "Flush" : "Straight") << '\n';
    }

    return 0;
}