t = int(input())
for _ in range(t):
    n = int(input())
    A = list(map(int, input().split()))
    B = [i % n + 1 for i in range(2 * n)]
    if A == B:
        print("Yes")
        continue
    flag = False
    for i in range(n):
        C = B[:i+1] + B[i+1:i+n][::-1] + B[i+n:]
        if A == C:
            flag = True
            break
    if flag:
        print("Yes")
    else:
        print("No")