#include <bits/stdc++.h>   #define pb push_back   #define speed ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0)   using namespace std;   typedef long long ll;   typedef long double ld;   typedef vector <ll> vll;   typedef pair<ll,ll> pll;   typedef vector <pair<ll,ll>> vpll;   typedef vector <vll> vvll;      const ll N=1e5+1;   ll t,n,k;      int main()   {       speed;       cin>>t;       while(t--)       {           cin>>n>>k;           vll ans;           cout<<n-(k+1)/2<<  n ;           for(int i=(k+1)/2;i<=n;i++)               if(i!=k)                   cout<<i<<   ;           cout<<  n ;       }       return 0;   }