It is important to keep our computers safe and clean. Some people feel that computers should be well-dressed, also. For this question, you will write a program to print out a bow tie on the computer screen.</p>

Your program should take as input the height $H$ of the bow tie, where $H$ is an odd positive integer greater than or equal to 5. A bow tie with $H$ rows (and $2H$ columns) should then be printed using the pattern shown below in the sample output.

입력 형식

One line containing integer $H$. You may assume that all input data will be valid.

출력 형식

예제 입력 1

5

예제 출력 1

*        *
***    ***
**********
***    ***
*        *

예제 입력 2

7

예제 출력 2

*            *
***        ***
*****    *****
**************
*****    *****
***        ***
*            *