// https://www.hackerrank.com/challenges/java-loops/problem?h_r=next-challenge&h_v=zen&h_r=next-challenge&h_v=zen

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 result = 0;

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

result = a;

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

result += Math.pow(2, k) * b;

}

System.out.printf("%d ", result);

}

System.out.println("");

}

in.close();

}

}