import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

 class HelloWorld {

    public static void main(String[] args) throws IOException{
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        BufferedReader in = new BufferedReader (new InputStreamReader(System.in));
        int i,j,k;
        double p;
        int t = Integer.parseInt(in.readLine());
        for(i=1;i<=t;i++)
            {
                int a = Integer.parseInt(in.readLine());
                int b = Integer.parseInt(in.readLine());
                int n = Integer.parseInt(in.readLine());

                for(j=0;j<n;j++)
                    {
                        int ans=a;
                        for(k=0;k<=j;k++)
                            {

                                p=Math.pow(2,k);
                                ans+=(p*b);
                            }
                        System.out.print(ans+" ");
                    }
                System.out.println();
            }
    }
}