% One needs PDF2SVG to generate the SVG graph.
% Author: Ika
% Update Date: 11/19/2014

\documentclass{amsart}
\usepackage[paperwidth=240px, paperheight=105px, top=-12px, left=0px, right=0px, bottom=0px]{geometry}
\usepackage{amsmath,amssymb,nopageno}
\usepackage[all]{xy}
\begin{document}
\Huge
\[
	\xymatrix@C+1em@R+1em{ 
	A \ar^f[r] \ar^l[d] & B \ar^g[r] \ar^m[d] & C \ar^h[r] \ar^n[d] & D \ar^p[d] \\
	A' \ar_r[r] & B' \ar_s[r] & C' \ar_t[r] & D'
	}
\]
\end{document}