import java.util.Scanner;
import java.lang.*;

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