\documentclass[landscape,12pt]{article}

\setlength{\oddsidemargin}{-.6in}		% default=0in
\setlength{\textwidth}{10in}		% default=9in

\setlength{\columnsep}{0.5in}		% default=10pt
\setlength{\columnseprule}{1pt}		% default=0pt (no line)

\setlength{\textheight}{8in}		% default=5.15in
\setlength{\topmargin}{1.4in}		% default=0.20in
\setlength{\headsep}{0.25in}		% default=0.35in

\setlength{\parskip}{1.2ex}
\setlength{\parindent}{0mm}

\usepackage{rotating,amssymb}
\pagestyle{empty}

\input colordvi


\def\cltr{\Red}		  % Red  VERY-Approx PANTONE RED

%\loadmsbm

\input epsf


\def\ctln{\centerline}
\def\u{\underbar}
\def\ssk{\smallskip}
\def\msk{\medskip}
\def\bsk{\bigskip}
\def\hsk{\hskip.1in}
\def\hhsk{\hskip.2in}
\def\dsl{\displaystyle}
\def\hskp{\hskip1.5in}

\def\lra{$\Leftrightarrow$ }
\def\ra{\rightarrow}
\def\mpto{\logmapsto}
\def\pu{\pi_1}
\def\mpu{$\pi_1$}
\def\sig{\Sigma}
\def\msig{$\Sigma$}
\def\ep{\epsilon}
\def\sset{\subseteq}
\def\del{\partial}
\def\inv{^{-1}}
\def\wtl{\widetilde}
\def\del{\partial}
\def\delp{\partial^\prime}
\def\delpp{\partial^{\prime\prime}}
\def\sgn{{\roman{sgn}}}
\def\wtih{\widetilde{H}}
\def\rtar{$\Rightarrow$}

\newsavebox{\ses}
\savebox{\ses}{\parbox{18pt}{{\Large$\rightsquigarrow$\vskip10pt\  }}}

\newsavebox{\sws}
\savebox{\sws}{\parbox{18pt}{{\Large$\rightsquigarrow$\vskip-40pt}}}

\def\sesquig{{\hskip-18pt\begin{turn}{-45}\usebox{\ses}\end{turn}}}

\def\swsquig{{\hskip12pt\begin{turn}{225}\usebox{\sws}\end{turn}\hskip-10pt}}


\DeclareSymbolFont{AMSb}{U}{msb}{m}{n}
\DeclareMathSymbol{\bbn}{\mathbin}{AMSb}{"4E}
\DeclareMathSymbol{\bbz}{\mathbin}{AMSb}{"5A}
\DeclareMathSymbol{\bbr}{\mathbin}{AMSb}{"52}
\DeclareMathSymbol{\bbq}{\mathbin}{AMSb}{"51}
\DeclareMathSymbol{\bbi}{\mathbin}{AMSb}{"49}
\DeclareMathSymbol{\bbc}{\mathbin}{AMSb}{"43}

\begin{document}

{\Large

\smallskip

$X$\sesquig$A$ $Y$\swsquig$B$ $\bbr$ $\bbz$ \hsk Try, try again.



}

\end{document}