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