T = int(input())

for _ in range(T):
    N = int(input())
    A = list(map(int, input().split()))

    B = list(range(1,N+1))
    B += B

    if B == A:
        print("Yes")
        continue

    flag = False
    for l in range(N):
        r = l + N
        B[l:r+1] = B[l:r+1][::-1]
        if B == A:
            flag = True
            break
        B[l:r+1] = B[l:r+1][::-1]

    if flag:
        print("Yes")
    else:
        print("No")