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();

if (i<n) {

int result = a;

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

result += getSeries(a, j, b);

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

}

System.out.println();

} else {

int result = a;

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

result += getSeries(a, j, b);

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

}

System.out.println();

}

}

in.close();

}

public static int getSeries(int a, int j, int b) {

//System.out.println("a=" + a + " b=" + b + " j=" + j);

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

}

}