
% Tikz File 'mytikz.tex'
\documentclass{standalone}
\usepackage{tikz}
%\usetikzlibrary{...}
\begin{document}


\begin{tikzpicture}[x=1pt,y=1pt,yscale=1,xscale=1,scale=.65]
%draw delta piece: bbb, (0, 0)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (0.0,0.0) -- (15.0,25.98) -- (30.0,0.0) -- cycle;
\draw (7.5,12.99) node  [rotate=60]  {$\mathtt{1}$};
\draw (22.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (15.0,0.0) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: bbb, (1, 0)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (45.0,25.98) -- (30.0,0.0) -- (15.0,25.98) -- cycle;
\draw (37.5,12.99) node  [rotate=60]  {$\mathtt{1}$};
\draw (22.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (30.0,25.98) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: bbb, (2, 0)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (30.0,0.0) -- (45.0,25.98) -- (60.0,0.0) -- cycle;
\draw (37.5,12.99) node  [rotate=60]  {$\mathtt{1}$};
\draw (52.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (45.0,0.0) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: cba, (4, 0)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (60.0,0.0) -- (75.0,25.98) -- (90.0,0.0) -- cycle;
\draw (67.5,12.99) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (82.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (75.0,0.0) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: cba, (3, 0)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (75.0,25.98) -- (60.0,0.0) -- (45.0,25.98) -- cycle;
\draw (67.5,12.99) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (52.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (60.0,25.98) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: cba, (6, 0)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (90.0,0.0) -- (105.0,25.98) -- (120.0,0.0) -- cycle;
\draw (97.5,12.99) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (112.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (105.0,0.0) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: cba, (5, 0)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (105.0,25.98) -- (90.0,0.0) -- (75.0,25.98) -- cycle;
\draw (97.5,12.99) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (82.5,12.99) node  [rotate=-60]  {$\mathtt{1}$};
\draw (90.0,25.98) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: acb, (1, 1)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (15.0,25.98) -- (30.0,51.96) -- (45.0,25.98) -- cycle;
\draw (22.5,38.97) node  [rotate=60]  {$\mathtt{0}$};
\draw (37.5,38.97) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (30.0,25.98) node  [rotate=0]  {$\mathtt{1}$};
%draw nabla piece: acb, (2, 1)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (60.0,51.96) -- (45.0,25.98) -- (30.0,51.96) -- cycle;
\draw (52.5,38.97) node  [rotate=60]  {$\mathtt{0}$};
\draw (37.5,38.97) node  [rotate=-60]  {$\mathtt{1\! 0}$};
\draw (45.0,51.96) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: aaa, (3, 1)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (45.0,25.98) -- (60.0,51.96) -- (75.0,25.98) -- cycle;
\draw (52.5,38.97) node  [rotate=60]  {$\mathtt{0}$};
\draw (67.5,38.97) node  [rotate=-60]  {$\mathtt{0}$};
\draw (60.0,25.98) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: aaa, (4, 1)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (90.0,51.96) -- (75.0,25.98) -- (60.0,51.96) -- cycle;
\draw (82.5,38.97) node  [rotate=60]  {$\mathtt{0}$};
\draw (67.5,38.97) node  [rotate=-60]  {$\mathtt{0}$};
\draw (75.0,51.96) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: aaa, (5, 1)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (75.0,25.98) -- (90.0,51.96) -- (105.0,25.98) -- cycle;
\draw (82.5,38.97) node  [rotate=60]  {$\mathtt{0}$};
\draw (97.5,38.97) node  [rotate=-60]  {$\mathtt{0}$};
\draw (90.0,25.98) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: bbb, (2, 2)
\draw [fill={rgb, 255:red, 137; green, 190; blue, 251 }] (30.0,51.96) -- (45.0,77.94) -- (60.0,51.96) -- cycle;
\draw (37.5,64.95) node  [rotate=60]  {$\mathtt{1}$};
\draw (52.5,64.95) node  [rotate=-60]  {$\mathtt{1}$};
\draw (45.0,51.96) node  [rotate=0]  {$\mathtt{1}$};
%draw delta piece: cba, (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]  {$\mathtt{1\! 0}$};
\draw (82.5,64.95) node  [rotate=-60]  {$\mathtt{1}$};
\draw (75.0,51.96) node  [rotate=0]  {$\mathtt{0}$};
%draw nabla piece: cba, (3, 2)
\draw [fill={rgb, 255:red, 255; green, 255; blue, 255 }] (75.0,77.94) -- (60.0,51.959999999999994) -- (45.0,77.94) -- cycle;
\draw (67.5,64.95) node  [rotate=60]  {$\mathtt{1\! 0}$};
\draw (52.5,64.95) node  [rotate=-60]  {$\mathtt{1}$};
\draw (60.0,77.94) node  [rotate=0]  {$\mathtt{0}$};
%draw delta piece: aaa, (3, 3)
\draw [fill={rgb, 255:red, 248; green, 131; blue, 131 }] (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]  {$\mathtt{0}$};
\draw (60.0,77.94) node  [rotate=0]  {$\mathtt{0}$};

%draw boundary
\draw [line width=1.5] (0.0,0.0) -- (60.0,103.92) -- (120.0,0.0) --  cycle;
\end{tikzpicture}


\end{document}