\documentclass{article}
\usepackage[html,3.2]{tex4ht}
\begin{document}
\parindent=0pt
\section{foo}
\leavevmode=1=\hbox{=2N=}=N3= %[2694266,1347133,2694266]
\leavevmode=4N=\llap{=N5Y=} =Y6= %[983040,-1347133,2330173]
\leavevmode=4=\llap{= 7 =} = 8 = %[983040,-1347133,2330173]
\leavevmode\llap{= 9 = } = 0 =
\end{document}