%%%
% Garam
%%%
\setKVdefault[Garam]{Taille=7,Largeur=15pt,Solution=false,CouleurSolution=Black}
\newlength\PfCGaramHeight

\NewDocumentCommand\Garam{o m}{%
  \useKVdefault[Garam]
  \setKV[Garam]{#1}%
  \setlength{\PfCGaramHeight}{\useKV[Garam]{Largeur}+\tabcolsep}%
  \reademptyitems%
  \setsepchar[*]{§*,*/}%
  \readlist*\PfCListeGaram{#2}%
  \colorlet{PfCGaramCoulSol}{\useKV[Garam]{CouleurSolution}}%
  \begin{NiceTabular}{*{\useKV[Garam]{Taille}}{m{\useKV[Garam]{Largeur}}}}
    \CodeBefore
    \xintFor* ##1 in{\xintSeq{2}{\fpeval{\useKV[Garam]{Taille}}}}\do{%
      \tikz{\draw[dashed,LightGray] (1-|##1)--(last-|##1);}%
    }%
    \xintFor* ##1 in{\xintSeq{2}{\fpeval{\PfCListeGaramlen-1}}}\do{%
      \tikz{\draw[dashed,LightGray] (##1-|1)--(##1-|last);}%
    }%
    \tikz{\draw (1-|1) rectangle (last-|last);}%
    \Body
    \xintFor* ##1 in{\xintSeq{1}{\PfCListeGaramlen}}\do{%
      \rule{0pt}{\PfCGaramHeight}\xintFor* ##2 in {\xintSeq{1}{\useKV[Garam]{Taille}}}\do{%
        \xintifForFirst{}{&}\StrChar{\PfCListeGaram[##1,##2,1]}{1}[\PfCCaracGaram]%
        \IfStrEq{\PfCCaracGaram}{*}{\Block[draw,fill=black]{1-1}{}}{%
          \IfStrEq{\PfCCaracGaram}{!}{\Block{}{\ifboolKV[Garam]{Solution}{\StrGobbleLeft{\PfCListeGaram[##1,##2,1]}{1}}{}}}{\Block{}{\color{PfCGaramCoulSol}\PfCListeGaram[##1,##2,1]}}%
        }%
      }\\
    }%
    \CodeAfter
    % On place les symboles
    \xintFor* ##1 in{\xintSeq{1}{\PfCListeGaramlen}}\do{%
      \xintFor* ##2 in {\xintSeq{1}{\useKV[Garam]{Taille}}}\do{%
        \StrChar{\PfCListeGaram[##1,##2,1]}{1}[\PfCCaracGaram]%
        \IfStrEq{\PfCCaracGaram}{*}{}{%
          \tikz{%
            \StrSubstitute{\PfCListeGaram[##1,##2,2]}{x}{\times}[\PfCGaramUn]%
            \StrSubstitute{\PfCGaramUn}{:}{\div}[\PfCGaramUn]%
            \StrSubstitute{\PfCListeGaram[##1,##2,3]}{x}{\times}[\PfCGaramDeux]%
            \StrSubstitute{\PfCGaramDeux}{:}{\div}[\PfCGaramDeux]%
            \xintifForLast{}{\node at (\fpeval{##1+0.5}-|\fpeval{##2+1}) {$\PfCGaramUn$};}
            \node at (\fpeval{##1+1}-|\fpeval{##2+0.5}) {$\PfCGaramDeux$};
          }%
        }%
      }%
    }%
  \end{NiceTabular}
}%