t=eval(input())
score=[]
for i in range(t):
    for j in range(32):
        x=eval(input())
        score.append(x)
    China=score[0]
    score.sort()
    index=score.find(China)
    if(index==32):
        print(1)
    elif(index==31):
        print(2)
        print()
    elif(index>=24):
        print(4)
        print()
    elif(index>=16): 
        print(8)
        print()
    elif(index>=8):
        print(16)
        print()
        
    else :
        print(32)
        print()
    score.clear()