\documentclass{ppex}
\nonstopmode
\AtBeginDocument {\setlength \unitlength {0.09pt}}
\usepackage {carom,epic}
\pagestyle{empty}
\setlength\textwidth{207.0pt}
\begin{document}
\ResetPreambleCommands
\ReadyForTheFray
\usepackage {carom,epic}
\cyclohexanev{1==1;%
   2D==2D;%
   3A==3A;%
   4B==4B;%
   5Sa==5Sa;5Sb==5Sb;%
   6SA==6SA;6SB==6SB}
\end{document}