//     Author: Rodney Shaghoulian
//     Github: github.com/RodneyShag
// HackerRank: hackerrank.com/RodneyShag

import java.util.Scanner;

class Solution{
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int t = scan.nextInt();
        for (int i = 0; i < t; i++) {
            int a = scan.nextInt();
            int b = scan.nextInt();
            int n = scan.nextInt();
            for (int j = 0; j < n; j++) {
                a += b * (int) Math.pow(2, j);
                System.out.print(a + " ");
            }
            System.out.println();
        }
        scan.close();
    }
}