def solve():
    N = int(input())
    A = list(map(int, input().split()))
    b = [1 << (len(bin(i - 1)) - 2) for i in A]
    # print(b)
    c = 0
    for i in b:
        c ^= i
    if c > 0:
        print("Alice")
    else:
        print("Bob")
    # print(c)

T = int(input())
for _ in range(T):
    solve()