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();
            
            int previousResult = a;
            
            for (int j=0; j<n; j++) {
                int result = (int)Math.pow(2, j) * b;
                previousResult += result;
                
                System.out.print(previousResult + " ");
            }
            
            System.out.println();
        }
        
        in.close();
    }
}