tetrahedron orientation -12
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,-2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (17_0) -- (12_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -11
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,-2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (16_0) -- (14_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -10
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,-2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (13_0) -- (15_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -9
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,-2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (17_0) -- (12_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -8
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,-2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (14_0) -- (16_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -7
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,-2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (15_0) -- (13_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -6
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,-2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (12_0) -- (17_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -5
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,-2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (16_0) -- (14_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -4
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,-2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (15_0) -- (13_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -3
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,-2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (12_0) -- (17_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -2
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,-2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (14_0) -- (16_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation -1
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,-2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (13_0) -- (15_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 0
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,-2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (12_0) -- (17_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 1
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,-2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (13_0) -- (15_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 2
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,-2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (14_0) -- (16_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 3
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,-2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (12_0) -- (17_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 4
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,-2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (15_0) -- (13_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 5
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,-2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,-2.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,0.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (16_0) -- (14_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 6
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,-2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (17_0) -- (12_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 7
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,-2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,0.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,-2.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (15_0) -- (13_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 8
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,-2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,-2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,0.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,-2.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,-2.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,0.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (14_0) -- (16_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 9
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,-2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (0.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,-0.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,2.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (-2.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (17_0) -- (12_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 10
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,-2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (-2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (2.,-2.,2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,-0.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (-2.,-2.,-0.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (-2.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (0.,0.,2.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (0.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,2.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (13_0) -- (15_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}
tetrahedron orientation 11
\documentclass[tikz]{standalone}

\usepackage{pgflibraryshapes}
\usetikzlibrary{backgrounds}
\usetikzlibrary{arrows}
\begin{document}
\begin{tikzpicture}[scale = 1.,font=\fontsize{8}{8}\selectfont]
\path (-2.,2.,2.) node(8_0) [draw,shape=circle,color=gray] {8};
\path (-2.,-2.,2.) node(9_0) [draw,shape=circle,color=gray] {9};
\path (2.,-2.,2.) node(10_0) [draw,shape=circle,color=gray] {10};
\path (-2.,-2.,-2.) node(11_0) [draw,shape=circle,color=gray] {11};
\path (-2.,0.,2.) node(12_0) [draw,shape=circle,color=gray] {12};
\path (0.,-2.,2.) node(13_0) [draw,shape=circle,color=gray] {13};
\path (0.,0.,2.) node(14_0) [draw,shape=circle,color=gray] {14};
\path (-2.,0.,-0.) node(15_0) [draw,shape=circle,color=gray] {15};
\path (-2.,-2.,-0.) node(16_0) [draw,shape=circle,color=gray] {16};
\path (0.,-2.,-0.) node(17_0) [draw,shape=circle,color=gray] {17};
\draw[color=gray] (16_0) -- (14_0);
\draw[color=gray] (12_0) -- (13_0);
\draw[color=gray] (13_0) -- (14_0);
\draw[color=gray] (14_0) -- (12_0);
\draw[color=gray] (15_0) -- (16_0);
\draw[color=gray] (16_0) -- (12_0);
\draw[color=gray] (12_0) -- (15_0);
\draw[color=gray] (14_0) -- (17_0);
\draw[color=gray] (17_0) -- (15_0);
\draw[color=gray] (15_0) -- (14_0);
\draw[color=gray] (13_0) -- (16_0);
\draw[color=gray] (16_0) -- (17_0);
\draw[color=gray] (17_0) -- (13_0);
\draw[color=gray] (8_0) -- (12_0);
\draw[color=gray] (12_0) -- (9_0);
\draw[color=gray] (9_0) -- (13_0);
\draw[color=gray] (13_0) -- (10_0);
\draw[color=gray] (10_0) -- (14_0);
\draw[color=gray] (14_0) -- (8_0);
\draw[color=gray] (8_0) -- (15_0);
\draw[color=gray] (15_0) -- (11_0);
\draw[color=gray] (11_0) -- (16_0);
\draw[color=gray] (16_0) -- (9_0);
\draw[color=gray] (10_0) -- (17_0);
\draw[color=gray] (17_0) -- (11_0);
\path (-1.5,-1.5,1.5) node(0_0) [] {};
\path (-1.5,-1.5,-0.5) node(1_0) [] {};
\path (0.5,-1.5,1.5) node(2_0) [] {};
\path (-1.5,0.5,1.5) node(3_0) [] {};
\path (-1.,-1.,1.5) node(4_0) [] {};
\path (-1.,-1.,0.5) node(5_0) [] {};
\path (-0.5,-1.5,1.) node(6_0) [] {};
\path (-1.5,-0.5,1.) node(7_0) [] {};
\end{tikzpicture}
\end{document}