\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 (1, 0) {$1$};
	\node (6) at (7, 0) {$6$};
	\node (4) at (12, 0) {$4$};
	\node (5) at (17, 0) {$5$};
	\node (2) at (24, 0) {$2$};
	\node (3) at (30, 0) {$3$};

	\draw[double=white,draw=green] (4) -- (12, -2) -- (19, -2) -- (19, 2) -- (25, 2) -- (25, -9) -- (2, -9) -- (2, 12) -- (37, 12) -- (37, -3) -- (28, -3) -- (28, 6) -- (17, 6) -- (5);
	\draw[double=white,draw=blue] (6) -- (6, 0) -- (6, 9) -- (34, 9) -- (34, -1) -- (29, -1) -- (29, 7) -- (15, 7) -- (15, -1) -- (18, -1) -- (18, 3) -- (26, 3) -- (26, -11) -- (0, -11) -- (0, 0) -- (1);
	\draw[double=white,draw=red] (2) -- (24, -6) -- (10, -6) -- (10, 8) -- (30, 8) -- (3);
	\draw[double=green] (3) -- (30, -2) -- (22, -2) -- (22, 5) -- (5, 5) -- (5, -1) -- (8, -1) -- (8, 2) -- (14, 2) -- (14, -10) -- (36, -10) -- (36, 11) -- (3, 11) -- (3, -3) -- (11, -3) -- (11, 0) -- (4);
	\draw[double=blue] (5) -- (17, -7) -- (33, -7) -- (33, 5) -- (23, 5) -- (23, -1) -- (27, -1) -- (27, 1) -- (31, 1) -- (31, -4) -- (21, -4) -- (21, 4) -- (7, 4) -- (6);
	\draw[double=red] (1) -- (1, -4) -- (13, -4) -- (13, 1) -- (9, 1) -- (9, -2) -- (4, -2) -- (4, 10) -- (35, 10) -- (35, -8) -- (16, -8) -- (16, 1) -- (20, 1) -- (20, -5) -- (32, -5) -- (32, 4) -- (24, 4) -- (2);
\end{tikzpicture}
\end{document}