\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 (2) at (10, 0) {$2$};
	\node (3) at (18, 0) {$3$};
	\node (4) at (28, 0) {$4$};

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