#include <bits/stdc++.h>
using namespace std;

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

    int T;
    cin >> T;

    while (T--) {
        int N;
        cin >> N;

        vector<long long> A(N);
        long long S = 0;

        for (auto& a : A) {
            cin >> a;
            S += a;
        }

        bool win = (S % 2 == 1);

        for (int i = 0; i < N; ++i) {
            if (A[i] == 1 && i % 2 == 0) {
                win = true;
            }
        }

        cout << (win ? "Alice" : "Bob") << '\n';
    }

    return 0;
}