% Tikz File 'mytikz.tex'
\documentclass{standalone}
\usepackage{tikz}
%\usetikzlibrary{...}
\begin{document}
\begin{tikzpicture}[x=1pt,y=1pt,yscale=1,xscale=1,scale=.65]
%draw nabla piece: bbb, (5, 0)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (105.0,25.98) -- (90.0,0.0) -- (75.0,25.98) -- cycle;
\draw (97.5,12.99) node  [rotate=60]  {$\mathtt{1}$};
\draw (82.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (90.0,25.98) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: bbb, (5, 1)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (75.0,25.98) -- (90.0,51.96) -- (105.0,25.98) -- cycle;
\draw (82.5,38.97) node  [rotate=60]  {$\mathtt{1}$};
\draw (97.5,38.97) node  [rotate=-60]  {$\mathtt{1}$};
\draw (90.0,25.98) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: bbb, (6, 1)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (120.0,51.96) -- (105.0,25.98) -- (90.0,51.96) -- cycle;
\draw (112.5,38.97) node  [rotate=60]  {$\mathtt{1}$};
\draw (97.5,38.97) node  [rotate=-60]  {$\mathtt{1}$};
\draw (105.0,51.96) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: bbb, (3, 2)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (75.0,77.94) -- (60.0,51.959999999999994) -- (45.0,77.94) -- cycle;
\draw (67.5,64.95) node  [rotate=60]  {$\mathtt{1}$};
\draw (52.5,64.95) node  [rotate=-60]  {$\mathtt{1}$};
\draw (60.0,77.94) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: bac, (4, 2)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (60.0,51.96) -- (75.0,77.94) -- (90.0,51.96) -- cycle;
\draw (67.5,64.95) node  [rotate=60]  {$\mathtt{1}$};
\draw (82.5,64.95) node  [rotate=-60]  {$\mathtt{0}$};
\draw (75.0,51.96) node  [rotate=0]  {$\mathtt{1\! 0}$};
%draw nabla piece: bac, (4, 1)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (90.0,51.96) -- (75.0,25.98) -- (60.0,51.96) -- cycle;
\draw (82.5,38.97) node  [rotate=60]  {$\mathtt{1}$};
\draw (67.5,38.97) node  [rotate=-60]  {$\mathtt{0}$};
\draw (75.0,51.96) node  [rotate=0]  {$\mathtt{1\! 0}$};
%draw nabla piece: aaa, (5, 2)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (105.0,77.94) -- (90.0,51.959999999999994) -- (75.0,77.94) -- cycle;
\draw (97.5,64.95) node  [rotate=60]  {$\mathtt{0}$};
\draw (82.5,64.95) node  [rotate=-60]  {$\mathtt{0}$};
\draw (90.0,77.94) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: acb, (6, 2)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (90.0,51.96) -- (105.0,77.94) -- (120.0,51.96) -- cycle;
\draw (97.5,64.95) node  [rotate=60]  {$\mathtt{0}$};
\draw (112.5,64.95) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (105.0,51.96) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: acb, (7, 2)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (135.0,77.94) -- (120.0,51.959999999999994) -- (105.0,77.94) -- cycle;
\draw (127.5,64.95) node  [rotate=60]  {$\mathtt{0}$};
\draw (112.5,64.95) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (120.0,77.94) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: acb, (3, 3)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (45.0,77.94) -- (60.0,103.92) -- (75.0,77.94) -- cycle;
\draw (52.5,90.92999999999999) node  [rotate=60]  {$\mathtt{0}$};
\draw (67.5,90.92999999999999) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (60.0,77.94) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: acb, (4, 3)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (90.0,103.92) -- (75.0,77.94) -- (60.0,103.92) -- cycle;
\draw (82.5,90.93) node  [rotate=60]  {$\mathtt{0}$};
\draw (67.5,90.93) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (75.0,103.92) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: aaa, (5, 3)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (75.0,77.94) -- (90.0,103.92) -- (105.0,77.94) -- cycle;
\draw (82.5,90.92999999999999) node  [rotate=60]  {$\mathtt{0}$};
\draw (97.5,90.92999999999999) node  [rotate=-60]  {$\mathtt{0}$};
\draw (90.0,77.94) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: aaa, (6, 3)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (120.0,103.92) -- (105.0,77.94) -- (90.0,103.92) -- cycle;
\draw (112.5,90.93) node  [rotate=60]  {$\mathtt{0}$};
\draw (97.5,90.93) node  [rotate=-60]  {$\mathtt{0}$};
\draw (105.0,103.92) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: acb, (7, 3)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (105.0,77.94) -- (120.0,103.92) -- (135.0,77.94) -- cycle;
\draw (112.5,90.92999999999999) node  [rotate=60]  {$\mathtt{0}$};
\draw (127.5,90.92999999999999) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (120.0,77.94) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: acb, (8, 3)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (150.0,103.92) -- (135.0,77.94) -- (120.0,103.92) -- cycle;
\draw (142.5,90.93) node  [rotate=60]  {$\mathtt{0}$};
\draw (127.5,90.93) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (135.0,103.92) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: bbb, (4, 4)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (60.0,103.92) -- (75.0,129.9) -- (90.0,103.92) -- cycle;
\draw (67.5,116.91) node  [rotate=60]  {$\mathtt{1}$};
\draw (82.5,116.91) node  [rotate=-60]  {$\mathtt{1}$};
\draw (75.0,103.92) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: cba, (6, 4)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (90.0,103.92) -- (105.0,129.9) -- (120.0,103.92) -- cycle;
\draw (97.5,116.91) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (112.5,116.91) node  [rotate=-60]  {$\mathtt{1}$};
\draw (105.0,103.92) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: cba, (5, 4)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (105.0,129.9) -- (90.0,103.92) -- (75.0,129.9) -- cycle;
\draw (97.5,116.91000000000001) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (82.5,116.91000000000001) node  [rotate=-60]  {$\mathtt{1}$};
\draw (90.0,129.9) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: bbb, (7, 4)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (135.0,129.9) -- (120.0,103.92) -- (105.0,129.9) -- cycle;
\draw (127.5,116.91000000000001) node  [rotate=60]  {$\mathtt{1}$};
\draw (112.5,116.91000000000001) node  [rotate=-60]  {$\mathtt{1}$};
\draw (120.0,129.9) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: bbb, (8, 4)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (120.0,103.92) -- (135.0,129.9) -- (150.0,103.92) -- cycle;
\draw (127.5,116.91) node  [rotate=60]  {$\mathtt{1}$};
\draw (142.5,116.91) node  [rotate=-60]  {$\mathtt{1}$};
\draw (135.0,103.92) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: aaa, (5, 5)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (75.0,129.9) -- (90.0,155.88) -- (105.0,129.9) -- cycle;
\draw (82.5,142.89000000000001) node  [rotate=60]  {$\mathtt{0}$};
\draw (97.5,142.89000000000001) node  [rotate=-60]  {$\mathtt{0}$};
\draw (90.0,129.9) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: bbb, (7, 5)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (105.0,129.9) -- (120.0,155.88) -- (135.0,129.9) -- cycle;
\draw (112.5,142.89000000000001) node  [rotate=60]  {$\mathtt{1}$};
\draw (127.5,142.89000000000001) node  [rotate=-60]  {$\mathtt{1}$};
\draw (120.0,129.9) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: bac, (6, 6)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (90.0,155.88) -- (105.0,181.85999999999999) -- (120.0,155.88) -- cycle;
\draw (97.5,168.87) node  [rotate=60]  {$\mathtt{1}$};
\draw (112.5,168.87) node  [rotate=-60]  {$\mathtt{0}$};
\draw (105.0,155.88) node  [rotate=0]  {$\mathtt{1\! 0}$};
%draw nabla piece: bac, (6, 5)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (120.0,155.88) -- (105.0,129.9) -- (90.0,155.88) -- cycle;
\draw (112.5,142.89) node  [rotate=60]  {$\mathtt{1}$};
\draw (97.5,142.89) node  [rotate=-60]  {$\mathtt{0}$};
\draw (105.0,155.88) node  [rotate=0]  {$\mathtt{1\! 0}$};

%draw boundary
\draw [line width=1.5] (90,0) -- (45,77.94) -- (105,181.86) -- (150,103.92) -- cycle;
\end{tikzpicture}



\end{document}