\documentclass[12pt]{article}

\usepackage{pgf,pgfshade}
\usepackage{xxcolor}

\usepackage[papersize={14pt,12pt},hmargin=0pt,vmargin=0pt,headsep=0pt,nohead,nofoot]{geometry}

\pagestyle{empty}

\begin{document}%
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                                %
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\end{colormixin}%
\end{document}
