import java.util.Scanner;

public class Main{
    public static void main(String[] args){
        Scanner s = new Scanner(System.in);
        int q = s.nextInt();
        for(int i=1;i<=q;i++){
            int a = s.nextInt();
            int b = s.nextInt();
            int n = s.nextInt();
            if(q>=0&&q<=500&&a>=0&&a<=50&&b>=0&&b<=50&&n>=1&&n<=15){
                int sum = a;
                for(int j=0;j<n;j++){
                    sum = sum + ((int)Math.pow(2, j))*b;
                    System.out.print(sum+" ");
            }
            System.out.println();
            }
        }
    }
}