ho risolto così
`
\documentclass[12pt]{article}
\pagestyle{empty}
\usepackage{tikz}
\begin{document}
\begin{tikzpicture}
\draw (0,0)–(0,4);
\draw (0,4)–(6,4);
\draw (6,4)–(6,0);
\draw (6,0) — (0,0);
\draw (0,2) — (6,2);
\draw (0,2) –(2,0);
\draw (0,4) — (4,0);
\draw (2,4) — (6,0);
\draw (4,4) — (6,2);
\draw (2,0) — (2,4);
\draw (4,0) — (4,4);
%alto
\coordinate [label=below left:\textcolor{black}{$ 3$}](a) at (1.4,4.5);
\coordinate [label=below left:\textcolor{black}{$5$}](a) at (3.4,4.5);
\coordinate [label=below left:\textcolor{black}{$ 2$}](a) at (5.4,4.5);
%sinistra
\coordinate [label=below left:\textcolor{black}{$2$}](a) at (-0.2,3);
\coordinate [label=below left:\textcolor{black}{$7$}](a) at (-0.2,1);
%basso
\coordinate [label=below left:\textcolor{black}{$2$}](a) at (1.4,-0.2);
\coordinate [label=below left:\textcolor{black}{$5$}](a) at (3.4,-0.2);
\coordinate [label=below left:\textcolor{black}{$3$}](a) at (5.4,-0.2);
%destra
\coordinate [label=below left:\textcolor{black}{$4$}](a) at (6.5,3);
\coordinate [label=below left:\textcolor{black}{$4$}](a) at (6.5,1);
%1 riga alto
\coordinate [label=below left:\textcolor{black}{$6$}](a) at (1.75,3.75);
\coordinate [label=below left:\textcolor{black}{$0$}](a) at (3.75,3.75);
\coordinate [label=below left:\textcolor{black}{$4$}](a) at (5.75,3.75);
%2 riga alto
\coordinate [label=below left:\textcolor{black}{$0$}](a) at (0.5,2.8);
\coordinate [label=below left:\textcolor{black}{$1$}](a) at (2.5,2.8);
\coordinate [label=below left:\textcolor{black}{$0$}](a) at (4.5,2.8);
%1 riga basso
\coordinate [label=below left:\textcolor{black}{$1$}](a) at (1.75,1.75);
\coordinate [label=below left:\textcolor{black}{$5$}](a) at (3.75,1.75);
\coordinate [label=below left:\textcolor{black}{$4$}](a) at (5.75,1.75);
%2 riga basso
\coordinate [label=below left:\textcolor{black}{$2$}](a) at (0.5,0.8);
\coordinate [label=below left:\textcolor{black}{$3$}](a) at (2.5,0.8);
\coordinate [label=below left:\textcolor{black}{$1$}](a) at (4.5,0.8);
\end{tikzpicture}
\end{document}
`
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