import sys
input = sys.stdin.readline
for _ in range(int(input())):
  N = int(input())
  a = list(map(int, input().split()))
  if N & 1: print("Alice")
  else:
    nim = 0
    for x in a: nim ^= x - 1
    nim2 = 0
    for x in a: nim2 ^= x
    if nim | nim2: print("Alice")
    else: print("Bob")