import java.util.*;
import java.io.*;

class Solution{
    public static void main(String []argh){
        Scanner in = new Scanner(System.in);
        int t = in.nextInt();
        
        for (int i = 0; i < t; i++) {
            int a = in.nextInt();
            int b = in.nextInt();
            int n = in.nextInt();
            
            double prev = a;
            
            for (int j = 0; j < n; j++) {
                prev += Math.pow(2, j) * b;
                
                //System.out.println(a  + " + " + 2 + "**" + j + " * " + b);
                
                System.out.print((int) prev + " ");
            }
            
            System.out.println();
        }
        
        in.close();
    }
}