T = int(input())
 
for _ in range(T):
    N = int(input())
    A = list(map(int, input().split()))
    L = list(range(1, N + 1))
    L = L + L
    if A == L:
        print("Yes")
        continue
    for i in range(N):
        temp = L[:i] + L[i+N:i:-1] + L[i+N:]
        if temp == A:
            print("Yes")
            break
    else:
        print("No")