T = int(input())

for i in range(T):
    N = int(input())
    A = list(map(int,input().split()))
    X = list(range(1,N+1));X*=2
    flag = 0
    for j 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')