def answer():
    N = int(input())
    A = list(map(int,input().split()))
    if A[0]!=1 or A[-1]!= N:
        print('No')
        return
    
    if A[1] == 1 or A[-2] == N:
        print('No')
        return
    print('Yes')
    return

t = int(input())
for _ in range(t):
    answer()