import java.io.*;
import java.util.*;

public class Solution {

    public static void main(String[] args) {
        /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution. */
        int q, a, b, n;
        
        Scanner scan = new Scanner(System.in);
        
        q = scan.nextInt();
        
        // read the buffer \n in input stream and ignore
        scan.nextLine();
        
        for (int i = 0; i < q; i++){
            String line = scan.nextLine();
            String[] tokens = line.split(" ");
            
            a = Integer.parseInt(tokens[0]);
            b = Integer.parseInt(tokens[1]);
            n = Integer.parseInt(tokens[2]);
            
            int ex = 0;
            for (int j = 0; j <= n-1; j++){
                // caching the previous output to avoid repeated computations
                ex += (int)(Math.pow(2, j) * b);
                System.out.print(a + ex);
                System.out.print(" ");
            }
            
            System.out.println();
        }
        scan.close();
    }
}