24hj/figs/nstaircase.fig/upper_triangular_boundary.tikz.tex

\documentclass{standalone}

\usepackage{tikz}
\usepackage{shapes}

\begin{document}
\begin{tikzpicture}
  \grid{7}{7}{(-1,-1)}

  \square{qualitative4-1}{(1,4)}
  \square{qualitative4-1}{(2,3)}
  \square{qualitative4-1}{(2,4)}
  \square{qualitative4-1}{(3,2)}
  \square{qualitative4-1}{(3,3)}
  \square{qualitative4-1}{(3,4)}
  \square{qualitative4-1}{(4,1)}
  \square{qualitative4-1}{(4,2)}
  \square{qualitative4-1}{(4,3)}
  \square{qualitative4-1}{(4,4)}
  
  \square{qualitative4-4}{(0,4)}
  \square{qualitative4-4}{(1,3)}
  \square{qualitative4-4}{(2,2)}
  \square{qualitative4-4}{(3,1)}
  \square{qualitative4-4}{(4,0)}
  
  \square{qualitative4-2}{(5,1)}
  \square{qualitative4-2}{(5,2)}
  \square{qualitative4-2}{(5,3)}
  \square{qualitative4-2}{(5,4)}

  \square{qualitative4-3}{(1,5)}
  \square{qualitative4-3}{(2,5)}
  \square{qualitative4-3}{(3,5)}
  \square{qualitative4-3}{(4,5)}

\end{tikzpicture}
\end{document}