Sometimes, even more bored coders like to do really really boring things like outputting diamonds of asterisks. Beautiful, but lame. Hubert is one such lame lame coder.
Input
A number 0 < n ≤ 30 representing the maximum radius of the diamond.
Output
A diamond of asterisks with radius n. Note that the diamond is put into place via spaces in front. There are no spaces after each line.
Sample Input 1
4
Sample Output 1
*
***
*****
*******
*****
***
*