import java.io.*;
import java.math.*;
import java.text.*;
import java.util.*;
import java.util.regex.*;

public class Solution {
  public static void main(String[] args) {
    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();
      solve(a, b, n);
    }
  }

  public static void solve(Integer a, Integer b, Integer n) {
    for (int n1 = 0; n1 < n; n1++) {
      int term = a;
      for (int n2 = 0; n2 <= n1; n2++) {
        term += b * Math.pow(2, n2);
      }
      System.out.print(term + " "); // Prints extra space at end of line
    }
    System.out.println();
  }
}