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):
        X[i:i+N+1]=reversed(X[i:i+N+1])
        if A==X:flag=1;break
        X[i:i+N+1]=reversed(X[i:i+N+1])
    print("Yes" if flag or A==X else "No")