from collections import defaultdict
n=int(input())

for i in range(n):
    a=int(input())
    t=list(map(int,input().split()))
    dic = defaultdict(int)
    f=0
    ans=0
    for j in range(a*2):
        dic[t[j]] += 1
        if dic[t[j]] > 2:
            f=1
            break
        ind= j+1
        if ind > a:
            ind -= a
        tt=abs(t[j]-ind)

        ans=max(ans,tt)
        
    if ans > a-2:
        f = 1

    print('No' if f == 1 else 'Yes')