T = int(input())

for _ in range(T):
    N = int(input())
    A = list(map(int, input().split()))
    ng = 0
    for i in range(2 * N):
        if (A[i] - 1) != i % N:
            ng += 1

    if A[0] != 1 or A[-1] != N:
        ng += N

    print("Yes" if ng < N else "No")