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Вступ_Заоч-3

Template 3

Given positive integer n. Print the image of size n * n, formed by the asterisk and space characters as shown in the example. Image 4.jpg

Input

One positive 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"