import java.util.*;

class Solution { public static void main(String[] argh) { Scanner in = new Scanner(System.in);

    int t = in.nextInt(); // Number of test cases

    for (int i = 0; i < t; i++) {
        int a = in.nextInt(); // Base value
        int b = in.nextInt(); // Multiplier
        int n = in.nextInt(); // Number of terms

        int result = a;
        int power = 1; // Start with 2^0 = 1

        for (int j = 0; j < n; j++) {
            result += power * b;
            System.out.print(result + " ");
            power *= 2; // Next power of 2
        }

        System.out.println(); // Move to next line after each test case
    }

    in.close(); // Close the scanner
}

}