Circles

\setlength{\unitlength}{1mm}
\begin{picture}(60, 40)
  \put(20, 30){\circle{1}}
  \put(20, 30){\circle{2}}
  \put(20, 30){\circle{4}}
  \put(20, 30){\circle{8}}
  \put(20, 30){\circle{16}}
  \put(20, 30){\circle{32}}
  
  \put(40, 30){\circle{1}}
  \put(40, 30){\circle{2}}
  \put(40, 30){\circle{3}}
  \put(40, 30){\circle{4}}
  \put(40, 30){\circle{5}}
  \put(40, 30){\circle{6}}
  \put(40, 30){\circle{7}}
  \put(40, 30){\circle{8}}
  \put(40, 30){\circle{9}}
  \put(40, 30){\circle{10}}
  \put(40, 30){\circle{11}}
  \put(40, 30){\circle{12}}
  \put(40, 30){\circle{13}}
  \put(40, 30){\circle{14}}
  
  \put(15, 10){\circle*{1}}
  \put(20, 10){\circle*{2}}
  \put(25, 10){\circle*{3}}
  \put(30, 10){\circle*{4}}
  \put(35, 10){\circle*{5}}
\end{picture}