谁能用LATEX将下面图画出来,要求是用LATEX代码写出来,

第四个图


\usepackage{tikz}

\begin{tikzpicture}
\node[fill,circle,inner sep=0pt,minimum size=4pt] (a) at (0,1) {}; 
\node[fill,circle,inner sep=0pt,minimum size=4pt] (b) at (1,0) {}; 
\node[fill,circle,inner sep=0pt,minimum size=4pt] (c) at (1,2) {}; 
\node[fill,circle,inner sep=0pt,minimum size=4pt] (d) at (2,1) {}; 
\node[fill,circle,inner sep=0pt,minimum size=4pt] (e) at (3,0) {}; 
\node[fill,circle,inner sep=0pt,minimum size=4pt] (f) at (3,2) {}; 

\draw[->] (a) -- (b);
\draw[->] (a) -- (c);
\draw[->] (b) -- (d);
\draw[->] (c) -- (d);
\draw[->] (d) -- (a);
\draw[->] (d) -- (e);
\draw[->] (d) -- (f);

\fill  (3,1) circle (1pt) (3,1.2) circle (1pt) (3,0.8) circle (1pt);

\node[below=8pt] at (1.5,0) {$\overrightarrow{S_n^{3,3}}$};
\end{tikzpicture}