#include<bits/stdc++.h>
using namespace std;
int main()
{
int t;
cin >> t;
while(t--)
{
int n,x;
cin >> n >> x;
for(int i=0;i<x;i++)
{
cout << i << " " ;
}
for(int i=n-1;i>=x;i--)
{
cout << i << " ";
}
cout << endl;
}
return 0;
}
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