test.tex

\documentclass{standalone}
\usepackage{tikz}
\usepackage{xltxtra}
\setromanfont{Gill Sans}

\begin{document}
\begin{tikzpicture}
%\input{path-left-hand}
%\input{path-bfs-good}
%\input{path-dfs-bad}
%\input{coords}
\input{frame}
%\input{bad-frame}
%\input{coords-75}
\input{coords}
\node at (1,0) {1};
\node at (1,1) {2};
\node at (0,1) {3};
\node at (0,2) {4};
\node at (2,0) {2};
\node at (2,1) {3};
\node at (2,2) {4};
\end{tikzpicture}
\end{document}