\documentclass{standalone}

\usepackage{tikz}
\usepackage{shapes}

\begin{document}
\begin{tikzpicture}
  \grid{14}{10}{(-9,-1)}

  \square{diverging4-2-3}{(-3,3)}
  \square{diverging4-2-3}{(-2,2)}

  \square{diverging4-2-2}{(-3,4)}
  \square{diverging4-2-2}{(-2,3)}
  \square{diverging4-2-2}{(-2,4)}
  \square{diverging4-2-2}{(-1,1)}
  \square{diverging4-2-2}{(-1,2)}
  \square{diverging4-2-2}{(-1,3)}
  \square{diverging4-2-2}{(-1,4)}
  
  \staircaseV{diverging4-2-1}{(0,0)}
  \staircaseV{diverging4-2-4}{(-8,4)}

\end{tikzpicture}
\end{document}