t=int(input())
for _ in range(t):
    n=int(input())
    A=list(map(int,input().split()))
    c=0
    fg=False
    for i in range(n):
        if A[i]==1 and c%2==0:
            fg=True
        c+=A[i]
    if fg:
        print("Alice")
    elif c%2==1:
        print("Alice")
    else:
        print("Bob")