#include<bits/stdc++.h> using namespace std; using ll = long long; void solve() { int n; cin>>n; vector<int>v; if(n%4!=0) cout<<"NO"<<endl; else { int even_sum=0; int odd_sum=0; for(int i=2; i<=n; i+=2) { v.push_back(i); even_sum+=i; } int ct=0; for(int i=1; i<n; i+=2) { if(ct==(n/2)-1) break; v.push_back(i); odd_sum+=i; ct++; } v.push_back(even_sum-odd_sum); cout<<"YES"<<endl; for(auto it:v) cout<<it<<" "; cout<<endl; } } int main() { ios_base::sync_with_stdio(false); cin.tie(nullptr); int TC = 1; cin >> TC; cin.ignore(); while (TC--) solve(); }