T = int(input())
for _ in range(T):
    N = int(input())
    A = list(map(int, input().split()))
    B = list(range(1, N + 1)) + list(range(1, N + 1))
    if A == B:
        print('Yes')
        continue
    for i in range(N):
        if B[:i + 1] + B[i + N - 1:i:-1] + B[i + N:] == A:
            print('Yes')
            break
    else: print('No')