#include<bits/stdc++.h>
using namespace std;
void series(int n,int m,int c){
if(m*c>=n){
cout<<n-(m*c)<<" ";
return;
}
cout<<n-(m*c)<<" ";
series(n,m,c+1);
cout<<n-(m*c)<<" ";
}
int main(){
int t;
cin>>t;
while(t--){
int n,m;
cin>>n>>m;
series(n,m,0);
cout<<endl;
}
}
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