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
Input starts with an integer T (1≤T≤20), the number of test cases. Each of the following T lines contains two integers H and W denoting the height and weight respectively. Here 2≤H≤30 and 2≤W≤30.
Output
For each test case, print the test case serial on a line, followed by the markup grid as described in the problem statement.