t = int(input())
for _ in range(t):
    n = int(input())
    a = list(map(int, input().split()))
    b = [x for x in range(1, n+1)]
    c = [x for x in range(1, n+1)]
    bc = b + c
    if bc == a:
        print("Yes")
    else:
        for i in range(n):
            j = i + n
            tmp = bc[:i] + bc[i:j+1][::-1] + bc[j+1:]
        if tmp == a:
            print("Yes")
        else:
            print("No")