\documentclass{article}

\usepackage{tikz}

\begin{document}
\begin{tikzpicture}[scale=0.3]
\foreach \x in {0,...,32} \fill (\x,0) circle (0.1);
\foreach \x in {0,...,31} \fill (\x*32/31,1) circle (0.1);
\foreach \x in {0,...,30} \fill (\x*32/30,2) circle (0.1);
\foreach \x in {0,...,28} \fill (\x*32/28,3) circle (0.1);
\foreach \x in {0,8,16,24,32} \draw[very thin] (\x,0) -- (\x,3);
\end{tikzpicture}
\end{document}
