t = int(input())
for _ in range(t):
    n = int(input())
    a = list(map(int, input().split()))
    x = list(range(1, n + 1)) + list(range(1, n + 1))
    for i in range(n):
        if x[:i + 1] + x[i + 1:i+n][::-1] + x[i+n:] == a:
            print('Yes')
            break
    else:
        if x == a:
            print('Yes')
        else:
            print('No')