package java_loops;

import java.io.FileNotFoundException;

import java.io.FileReader;

import java.util.Scanner;

public class Solution {

public static void main(String[] args) throws FileNotFoundException {

Scanner in = new Scanner(new FileReader("./data/java_loops/input"));

int t = in.nextInt();

StringBuilder stringBuilder = new StringBuilder();

for(int i = 0; i < t; i++) {

int a = in.nextInt();

int b = in.nextInt();

int n = in.nextInt();

System.out.println("n:" +n);

int prev = 0;

int prevLoop = 1;

for(int loop = 1; loop <= n; loop ++) {

prevLoop = prevLoop * 2;

int newAmt = prevLoop * b;

int calc = 0;

if(loop == 1) {

calc = a + b;

prevLoop = 1;

} else {

calc = prev + newAmt;

}

prev = calc;

stringBuilder.append(calc).append(" ");

}

stringBuilder.append("\n");

}

System.out.println(stringBuilder);

in.close();

}

}