#include <bits/stdc++.h>
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
long long pow(long long x, long long n) {
  long long res = 1;
  while (n) {
    if (n & 1) res = (res * x);
    x = (x * x);
    n >>= 1;
  }
  return res;
}
int32_t main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  long long t;
  cin >> t;
  while (t--) {
    long long n;
    cin >> n;
    long long x = n / 2;
    if (x % 2) {
      cout << "NO" << '\n';
      continue;
    }
    cout << "YES" << '\n';
    vector<long long> a;
    for (long long i = 0; i < n; i += 2) {
      a.push_back(i + 2);
    }
    long long c = a.size() / 2;
    for (long long i = 0; i < c; i++) {
      a.push_back(a[i] - 1);
      a.push_back(a[x - i - 1] + 1);
    }
    for (auto x : a) cout << x << ' ';
    cout << '\n';
  }
  return 0;
}
