import java.util.*;

import java.io.*;

import java.lang.Math;

class LoopingII{

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 product=0, sum =a, count=0;

//if(a==0){

// a = 1;

//}

//if(b==0){

// b = 1;

//}

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

// product = a + 2^j * b

product = ((int) Math.pow(2, j) * b);

sum += product;

/*

when a = 3, b = 5:

p = 3^0 * 5 = 5

s = 3 + 5 = 8

p = 3^1 * 5 = 15

3 += 14

*/

if(count<n){

System.out.print( sum + " ");

}

count++;

} System.out.println(" ");

}

in.close();

}

}