% 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}