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

class Solution{
    public static void main(String []argh){
        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();
            int two_component = 1;
            int term = a;
            for (int j=0;j < n; j++){
                //term is ((2^(i) *b))
                term +=  (two_component *b);
                System.out.print(term+" ");
                two_component = two_component << 1;
            }
            System.out.println();
        }
        in.close();
    }
}