Grid markup is a process, where each of the grid cells is marked with a star symbol .
Your task is very simple. You are given a grid height and weight and the output is the markup grid with the star symbol .
Input starts with an integer (), the number of test cases. Each of the following lines contains two integers and denoting the height and weight respectively. Here and .
For each test case, print the test case serial on a line, followed by the markup grid as described in the problem statement.
2 2 2 2 3
Case 1: ** ** Case 2: *** ***