TT=int(input())
for _ in range(T):
    N=int(input())
    A=list(map(int,input().split()))
    X=list(range(1,N+1))*2
    ans="No"
    for i in range(N):
        if A==X[:i+1]+X[i+1:i+N][::-1]+X[i+N:]:
            ans="Yes"
    if A==X:
        ans="Yes"
    print(ans)