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Template 5

Given positive odd integer n. Print the image of size n * n, formed by the asterisk and space characters as shown in the example. Image 7.jpg

Input

One positive odd integer n (n >1).

Output

Print the image n * n.

Time limit 1 second
Memory limit 128 MiB
Input example #1
5
Output example #1
*   *
** **
*****
** **
*   *
Author Matviychuk Sergiy Volodymyrovych
Source "ABC programming"