\documentclass{minimal}
\setlength{\hoffset}{-4736286sp}
\setlength{\voffset}{-4736286sp}
\begin{document}
	\noindent
X\kern500000sp x\rule{500000sp}{500000sp}%
Y\kern500000sp y\rule[-250000sp]{500000sp}{500000sp}%
Z\kern500000sp z\rule[250000sp]{500000sp}{500000sp}%
X\kern1000000sp x\rule{-500000sp}{500000sp}%
Y\kern1000000sp y\rule[-250000sp]{-500000sp}{500000sp}%
Z\kern1000000sp z\rule[250000sp]{-500000sp}{500000sp}%
X\kern1000000sp x\rule{-500000sp}{-500000sp}%
Y\kern1000000sp y\rule[-250000sp]{-500000sp}{-500000sp}%
Z\kern1000000sp z\rule[250000sp]{-500000sp}{-500000sp}%
X\kern500000sp x\rule{500000sp}{-500000sp}%
Y\kern500000sp y\rule[-250000sp]{500000sp}{-500000sp}%
Z\kern500000sp z\rule[250000sp]{500000sp}{-500000sp}%
X

X
\end{document}