T=int(input())

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

    X=list(range(1,N+1)); X*=2

    flag=0
    for i in range(N):
        Y=X[:i+1]+X[i+N-1:i:-1]+X[i+N:]

        if A==Y:
            flag=1
            break

    print("Yes" if flag or A==X else "No")