\documentclass{standalone}
\usepackage[paperwidth=\maxdimen,paperheight=\maxdimen]{geometry}
\usepackage{pgf,tikz}
\begin{document}

\begin{tikzpicture}[x=24pt, y=24pt, draw=white, double=black, line width=2.1pt]
	\node (1) at (0, 0) {$1$};
	\node (5) at (3, 0) {$5$};
	\node (3) at (10, 0) {$3$};
	\node (2) at (15, 0) {$2$};
	\node (4) at (21, 0) {$4$};
	\node (6) at (25, 0) {$6$};

	\draw[double=white,draw=green] (2) -- (15, 5) -- (7, 5) -- (7, -11) -- (31, -11) -- (31, 13) -- (1, 13) -- (1, -2) -- (5, -2) -- (5, 8) -- (22, 8) -- (22, -6) -- (10, -6) -- (3);
	\draw[double=white,draw=blue] (6) -- (25, 10) -- (4, 10) -- (4, -1) -- (2, -1) -- (2, 12) -- (30, 12) -- (30, -10) -- (8, -10) -- (8, 3) -- (14, 3) -- (14, -1) -- (16, -1) -- (16, 7) -- (6, 7) -- (6, -3) -- (0, -3) -- (1);
	\draw[double=white,draw=red] (4) -- (21, -4) -- (13, -4) -- (13, 1) -- (9, 1) -- (9, -9) -- (29, -9) -- (29, 11) -- (3, 11) -- (5);
	\draw[double=green] (5) -- (3, -4) -- (11, -4) -- (11, 4) -- (18, 4) -- (18, -3) -- (25, -3) -- (6);
	\draw[double=blue] (3) -- (10, 6) -- (19, 6) -- (19, -2) -- (24, -2) -- (24, 1) -- (26, 1) -- (26, -5) -- (17, -5) -- (17, 2) -- (12, 2) -- (12, -8) -- (28, -8) -- (28, 3) -- (21, 3) -- (4);
	\draw[double=red] (1) -- (0, 9) -- (20, 9) -- (20, -1) -- (23, -1) -- (23, 2) -- (27, 2) -- (27, -7) -- (15, -7) -- (2);
\end{tikzpicture}
\end{document}