1triangle orientation -3 2\documentclass[tikz]{standalone} 3 4\usepackage{pgflibraryshapes} 5\usetikzlibrary{backgrounds} 6\usetikzlibrary{arrows} 7\begin{document} 8\begin{tikzpicture}[scale = 0.5,font=\fontsize{8}{8}\selectfont] 9\path (2.,-2.) node(1_0) [draw,shape=circle,color=gray] {1}; 10\path (-2.,-2.) node(2_0) [draw,shape=circle,color=gray] {2}; 11\path (-2.,2.) node(3_0) [draw,shape=circle,color=gray] {3}; 12\path 13(0.,-2.) node(4_0) [draw,shape=circle,color=gray] {4} -- 14(-2.,0.) node(5_0) [draw,shape=circle,color=gray] {5} -- 15(0.,0.) node(6_0) [draw,shape=circle,color=gray] {6} -- 16(0,0); 17\draw[color=gray] (2_0) -- (4_0) -- (1_0) -- (6_0) -- (3_0) -- (5_0) -- (2_0); 18\path (-0.666667,-0.666667) node(0_0) [] {}; 19\end{tikzpicture} 20\end{document} 21triangle orientation -2 22\documentclass[tikz]{standalone} 23 24\usepackage{pgflibraryshapes} 25\usetikzlibrary{backgrounds} 26\usetikzlibrary{arrows} 27\begin{document} 28\begin{tikzpicture}[scale = 0.5,font=\fontsize{8}{8}\selectfont] 29\path (-2.,-2.) node(1_0) [draw,shape=circle,color=gray] {1}; 30\path (-2.,2.) node(2_0) [draw,shape=circle,color=gray] {2}; 31\path (2.,-2.) node(3_0) [draw,shape=circle,color=gray] {3}; 32\path 33(-2.,0.) node(4_0) [draw,shape=circle,color=gray] {4} -- 34(0.,0.) node(5_0) [draw,shape=circle,color=gray] {5} -- 35(0.,-2.) node(6_0) [draw,shape=circle,color=gray] {6} -- 36(0,0); 37\draw[color=gray] (1_0) -- (6_0) -- (3_0) -- (5_0) -- (2_0) -- (4_0) -- (1_0); 38\path (-0.666667,-0.666667) node(0_0) [] {}; 39\end{tikzpicture} 40\end{document} 41triangle orientation -1 42\documentclass[tikz]{standalone} 43 44\usepackage{pgflibraryshapes} 45\usetikzlibrary{backgrounds} 46\usetikzlibrary{arrows} 47\begin{document} 48\begin{tikzpicture}[scale = 0.5,font=\fontsize{8}{8}\selectfont] 49\path (-2.,2.) node(1_0) [draw,shape=circle,color=gray] {1}; 50\path (2.,-2.) node(2_0) [draw,shape=circle,color=gray] {2}; 51\path (-2.,-2.) node(3_0) [draw,shape=circle,color=gray] {3}; 52\path 53(0.,0.) node(4_0) [draw,shape=circle,color=gray] {4} -- 54(0.,-2.) node(5_0) [draw,shape=circle,color=gray] {5} -- 55(-2.,0.) node(6_0) [draw,shape=circle,color=gray] {6} -- 56(0,0); 57\draw[color=gray] (3_0) -- (5_0) -- (2_0) -- (4_0) -- (1_0) -- (6_0) -- (3_0); 58\path (-0.666667,-0.666667) node(0_0) [] {}; 59\end{tikzpicture} 60\end{document} 61triangle orientation 0 62\documentclass[tikz]{standalone} 63 64\usepackage{pgflibraryshapes} 65\usetikzlibrary{backgrounds} 66\usetikzlibrary{arrows} 67\begin{document} 68\begin{tikzpicture}[scale = 0.5,font=\fontsize{8}{8}\selectfont] 69\path (-2.,-2.) node(1_0) [draw,shape=circle,color=gray] {1}; 70\path (2.,-2.) node(2_0) [draw,shape=circle,color=gray] {2}; 71\path (-2.,2.) node(3_0) [draw,shape=circle,color=gray] {3}; 72\path 73(0.,-2.) node(4_0) [draw,shape=circle,color=gray] {4} -- 74(0.,0.) node(5_0) [draw,shape=circle,color=gray] {5} -- 75(-2.,0.) node(6_0) [draw,shape=circle,color=gray] {6} -- 76(0,0); 77\draw[color=gray] (1_0) -- (4_0) -- (2_0) -- (5_0) -- (3_0) -- (6_0) -- (1_0); 78\path (-0.666667,-0.666667) node(0_0) [] {}; 79\end{tikzpicture} 80\end{document} 81triangle orientation 1 82\documentclass[tikz]{standalone} 83 84\usepackage{pgflibraryshapes} 85\usetikzlibrary{backgrounds} 86\usetikzlibrary{arrows} 87\begin{document} 88\begin{tikzpicture}[scale = 0.5,font=\fontsize{8}{8}\selectfont] 89\path (-2.,2.) node(1_0) [draw,shape=circle,color=gray] {1}; 90\path (-2.,-2.) node(2_0) [draw,shape=circle,color=gray] {2}; 91\path (2.,-2.) node(3_0) [draw,shape=circle,color=gray] {3}; 92\path 93(-2.,0.) node(4_0) [draw,shape=circle,color=gray] {4} -- 94(0.,-2.) node(5_0) [draw,shape=circle,color=gray] {5} -- 95(0.,0.) node(6_0) [draw,shape=circle,color=gray] {6} -- 96(0,0); 97\draw[color=gray] (2_0) -- (5_0) -- (3_0) -- (6_0) -- (1_0) -- (4_0) -- (2_0); 98\path (-0.666667,-0.666667) node(0_0) [] {}; 99\end{tikzpicture} 100\end{document} 101triangle orientation 2 102\documentclass[tikz]{standalone} 103 104\usepackage{pgflibraryshapes} 105\usetikzlibrary{backgrounds} 106\usetikzlibrary{arrows} 107\begin{document} 108\begin{tikzpicture}[scale = 0.5,font=\fontsize{8}{8}\selectfont] 109\path (2.,-2.) node(1_0) [draw,shape=circle,color=gray] {1}; 110\path (-2.,2.) node(2_0) [draw,shape=circle,color=gray] {2}; 111\path (-2.,-2.) node(3_0) [draw,shape=circle,color=gray] {3}; 112\path 113(0.,0.) node(4_0) [draw,shape=circle,color=gray] {4} -- 114(-2.,0.) node(5_0) [draw,shape=circle,color=gray] {5} -- 115(0.,-2.) node(6_0) [draw,shape=circle,color=gray] {6} -- 116(0,0); 117\draw[color=gray] (3_0) -- (6_0) -- (1_0) -- (4_0) -- (2_0) -- (5_0) -- (3_0); 118\path (-0.666667,-0.666667) node(0_0) [] {}; 119\end{tikzpicture} 120\end{document} 121