#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001
	 
int main(){
	
	int T;
	cin>>T;
	
	rep(_,T){
		int n;
		cin>>n;
		
		vector<int> a(n*2);
		rep(i,n*2)cin>>a[i];
		vector<int> t(n*2);
		rep(i,n){
			t[i] = i+1;
			t[i+n] = i+1;
		}
		bool f  =false;
		if(t==a)f = true;
		rep(i,n){
			auto tt = t;
			reverse(tt.begin()+i,tt.begin()+n+i+1);
			
			if(tt==a)f = true;
		}
		
		if(f)cout<<"Yes"<<endl;
		else cout<<"No"<<endl;
	}
	
	return 0;
}