#define _USE_MATH_DEFINES
#include <bits/stdc++.h>
using namespace std;
#define FOR(i,m,n) for(int i=(m);i<(n);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) (v).begin(),(v).end()
using ll = long long;
constexpr int INF = 0x3f3f3f3f;
constexpr long long LINF = 0x3f3f3f3f3f3f3f3fLL;
constexpr double EPS = 1e-8;
constexpr int MOD = 1000000007;
// constexpr int MOD = 998244353;
constexpr int DY[]{1, 0, -1, 0}, DX[]{0, -1, 0, 1};
constexpr int DY8[]{1, 1, 0, -1, -1, -1, 0, 1}, DX8[]{0, -1, -1, -1, 0, 1, 1, 1};
template <typename T, typename U> inline bool chmax(T &a, U b) { return a < b ? (a = b, true) : false; }
template <typename T, typename U> inline bool chmin(T &a, U b) { return a > b ? (a = b, true) : false; }
struct IOSetup {
  IOSetup() {
    std::cin.tie(nullptr);
    std::ios_base::sync_with_stdio(false);
    std::cout << fixed << setprecision(20);
  }
} iosetup;

vector<int> rev(const vector<int>& x, int l, int r) {
  vector<int> res = x;
  reverse(res.begin() + l, res.begin() + (r + 1));
  return res;
}

void solve() {
  int n; cin >> n;
  vector<int> a(n * 2); REP(i, n * 2) cin >> a[i], --a[i];
  vector<int> x(n * 2);
  iota(x.begin(), x.begin() + n, 0);
  iota(x.begin() + n, x.end(), 0);
  if (x == a) {
    cout << "Yes\n";
    return;
  }
  REP(i, n) {
    if (rev(x, i, i + n) == a) {
      cout << "Yes\n";
      return;
    }
  }
  cout << "No\n";
}

int main() {
  int t; cin >> t;
  while (t--) solve();
  return 0;
}