B

#include <bits/stdc++.h>

using namespace std;

#define ll     long long
#define _test   int _TEST; cin>>_TEST; while(_TEST--)
#define pb     push_back

int main()
{
    _test
    {
        int n;
        cin>>n;

        vector<int> a(n);

        int m = n/2;

        a[m] = 1;

        if(n == 1)
        {
            for(auto e: a)
                cout<<e<<" ";
            cout<<"\n";
            continue;
        }

        if(n==2)
        {
            a[0] = 2;
            for(auto e: a)
                cout<<e<<" ";
            cout<<"\n";
            continue;
        }

        a[0] = 2;
        a[n-1] = 3;

        for(int i=1, x=4; i<n-1; i++)
        {
            if(i == m)      continue;
            a[i] = x++;
        }

        for(auto e: a)
            cout<<e<<" ";
        cout<<"\n";
    }
}