\setlength{\unitlength}{3cm}
\fbox{\begin{Picture}(-1.3,-1.3)(1.3,1.3)
\polarreference
\degreesangles

\renewcommand{\Pictlabelsep}{0.1}

\multiPut(1,0)(0,30){12}{\circle*{0.05}}
    % Put twelve dots, one unit apart,
    % at 0, 30, 60, ..., 330 degrees

\cPut{90}(1,90){\textsc{xii}}
\cPut{0}(1,0){\textsc{iii}}
\cPut{270}(1,270){\textsc{vi}}
\cPut{180}(1,180){\textsc{ix}}

\pictcolor{blue}\thicklines

\arrowsize{8}{2}
\xtrivVECTOR(0,0)(0.5,37.5)
\xtrivVECTOR(0,0)(0.9,180)

\Put(0,0){\circle*{0.1}}
\linethickness{4pt}
\Circle{1.3}
\end{Picture}}
