% 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
\[
	\xymatrix@C+1em@R+1em{ 
	B \ar^g[r] \ar^m[d] & C \ar^h[r] \ar^n[d] & D \ar^j[r] \ar^p[d] & E \ar^q[d] \\
	B' \ar_s[r] & C' \ar_t[r] & D' \ar_u[r] & E' 
	}
\]
\end{document}