T = int(input())
for _ in range(T):
    N = int(input())
    A = [0]+list(map(int, input().split()))
    flag = 1
    for i in range(1,2*N+1):
        if i<=N and A[i]!=i:
            flag = 0
            break
        if i>N and A[i]!=i-N:
            flag = 0
            break
    if flag==1:
        print("Yes")
        continue
    C = {i:[] for i in range(1,N+1)}
    for i in range(1,2*N+1):
        C[A[i]].append(i)
    flag = 1
    for n in range(1,N+1):
        if len(C[n]) != 2:
            flag = 0
            break
    if flag==0:
        print("No")
        continue
    for n in range(1,N+1):
        flag = 1
        for i in range(1,C[n][0]):
            if A[i] != i:
                flag = 0
                break
        if flag==0:
            continue
        for i in range(C[n][0],N+1):
            if A[C[n][0]+C[n][1]-i] != i:
                flag = 0
                break
        if flag == 0:
            continue
        for i in range(N+1,C[n][1]+1):
            if A[C[n][0]+C[n][1]-i] != i-N:
                flag = 0
                break
        if flag==0:
            continue
        for i in range(C[n][1]+1,2*N+1):
            if A[i] != i-N:
                flag = 0
                break
        if flag==0:
            continue
        break
    if flag==1:
        print("Yes")
    else:
        print("No")