\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 (3) at (0, 0) {$3$};
	\node (1) at (8, 0) {$1$};
	\node (5) at (14, 0) {$5$};
	\node (6) at (19, 0) {$6$};
	\node (4) at (23, 0) {$4$};
	\node (2) at (28, 0) {$2$};

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