def solve():
    n = int(input())
    A = list(map(int, input().split()))
    B = []
    ok = True
    for i in range(n):
        B.append(i + 1)
        if A[i] != A[i + n]:
            ok = False
    if ok:
        print("Yes")
        return
    l = r = -1
    for i in range(n):
        B.append(i + 1)
        if A[i] == A[i + n]:
            l = i
            r = i + n
    if l == -1:
        print("No")
        return
    A[l:r+1] = A[l:r+1][::-1]
    if A == B:
        print("Yes")
    else:
        print("No")

for _ in range(int(input())):
    solve()