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();
            
            for(int k=0;k<n;k++){
                int sum=a;
                
                for(int j=0;j<=k;j++){
                    sum=sum+(int)Math.pow(2,j)*b;    
                }
                 System.out.print(sum+" ");
                
            }
            System.out.println();
            
        }
        in.close();
    }
}
=================================================================
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 term = a;
            for(int j=0;j<n;j++){
                term += Math.pow(2, j)*b;
                System.out.print(term + " ");
            }
            System.out.println();
            
        }
        
        in.close();
    }
}
===================================================================
//{ Driver Code Starts
import java.io.*;
import java.util.*;

class GFG {
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int t = Integer.parseInt(br.readLine());

        while (t-- > 0) {
            String input = br.readLine();
            String[] inputArray = input.split("\\s+");
            int a[] = new int[inputArray.length];

            for (int i = 0; i < a.length; i++) a[i] = Integer.parseInt(inputArray[i]);

            Solution ob = new Solution();
            ob.sort012(a);

            for (int num : a) {
                System.out.print(num + " ");
            }
            System.out.println();
            System.out.println("~");
        }
    }
}


// } Driver Code Ends
class Solution {
    // Function to sort an array of 0s, 1s, and 2s
    public void sort012(int[] arr) {
        // code here
        
        int ones=0;
        int zeros=0;
        int twos=0;
        int n=arr.length; //6
        for(int i=0;i<n;i++){
            if(arr[i]==0){
                zeros++;
            }
            if(arr[i]==1){
                ones++;
            }
            if(arr[i]==2){
                twos++;
            }
        }
        
        int i;
        for( i=0;i<zeros;i++){
            arr[i]=0;
        }
        int j;
        for(j=i;j<i+ones;j++){
            arr[j]=1;
        }
        
        for(int k=j;k<j+twos;k++){
            arr[k]=2;
        }
          
    }
}

//{ Driver Code Starts.
// } Driver Code Ends
================================================