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.