#include <bits/stdc++.h>
using namespace std;

int main()
{
	int T;
	cin >> T;

	for( int i = 0; i < T; i ++ ) {
		int N;
		cin >> N;
		vector<int> X( 2 * N );
		for( int j = 0; j < N; j++ ) X[j] = j + 1;
		for( int j = 0; j < N; j++ ) X[j + N] = j + 1;
		vector<int> A( 2 * N );
		for( int j = 0; j < 2 * N; j++ ) cin >> A[j];
		string ans = "No";
		if( A == X ) ans = "Yes";
		else {
			for( int j = 0; j < N; j++ ) {
				vector<int> x = X;
				reverse( x.begin() + j, x.begin() + j + N + 1 );
				if( A == x ) {
					ans = "Yes";
					break;
				}
			}
		}
		cout << ans << endl;
	}
}