Problems
Diamond
Diamond
Draw a diamond shape with character '\textbf{*}'.
\InputFile
There are several lines in the input, each line is a integer \textbf{N}\textit{ }(\textbf{N} ≤ \textbf{100}), \textbf{N} is zero means the end of input.
\OutputFile
For each line of input, draw a diamond whose width is \textbf{N} like sample. Notice there is no unnecessary spaces after '\textbf{*}' in the same line.
Output a blank line after each case.
Input example #1
3 2 0
Output example #1
* *** ***** *** * * *** *
Example description: The example for "clarity" is printed gaps are shown by dots.