\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 (6) at (0, 0) {$6$};
	\node (4) at (7, 0) {$4$};
	\node (5) at (23, 0) {$5$};
	\node (1) at (30, 0) {$1$};
	\node (3) at (39, 0) {$3$};
	\node (2) at (49, 0) {$2$};

	\draw[double=white,draw=green] (6) -- (0, 23) -- (48, 23) -- (48, -7) -- (30, -7) -- (1);
	\draw[double=white,draw=blue] (4) -- (7, -8) -- (28, -8) -- (28, 1) -- (31, 1) -- (31, -6) -- (45, -6) -- (45, 11) -- (22, 11) -- (22, 0) -- (5);
	\draw[double=white,draw=red] (2) -- (49, -14) -- (1, -14) -- (1, 1) -- (8, 1) -- (8, -7) -- (27, -7) -- (27, 5) -- (38, 5) -- (38, 0) -- (3);
	\draw[double=green] (5) -- (23, 6) -- (35, 6) -- (35, -3) -- (42, -3) -- (42, 13) -- (16, 13) -- (16, -12) -- (56, -12) -- (56, 26) -- (3, 26) -- (3, -4) -- (12, -4) -- (12, 17) -- (47, 17) -- (47, -1) -- (50, -1) -- (50, 19) -- (10, 19) -- (10, -2) -- (5, -2) -- (5, 24) -- (54, 24) -- (54, -10) -- (18, -10) -- (18, 10) -- (40, 10) -- (40, -1) -- (37, -1) -- (37, 8) -- (20, 8) -- (20, -2) -- (25, -2) -- (25, 3) -- (33, 3) -- (33, -5) -- (44, -5) -- (44, 15) -- (14, 15) -- (14, -6) -- (0, -6) -- (6);
	\draw[double=blue] (3) -- (39, 9) -- (19, 9) -- (19, -3) -- (26, -3) -- (26, 2) -- (32, 2) -- (32, -8) -- (52, -8) -- (52, 21) -- (7, 21) -- (4);
	\draw[double=red] (1) -- (29, 0) -- (29, -9) -- (53, -9) -- (53, 22) -- (6, 22) -- (6, -1) -- (9, -1) -- (9, 20) -- (51, 20) -- (51, -2) -- (46, -2) -- (46, 16) -- (13, 16) -- (13, -5) -- (2, -5) -- (2, 27) -- (57, 27) -- (57, -13) -- (15, -13) -- (15, 14) -- (43, 14) -- (43, -4) -- (34, -4) -- (34, 4) -- (24, 4) -- (24, -1) -- (21, -1) -- (21, 7) -- (36, 7) -- (36, -2) -- (41, -2) -- (41, 12) -- (17, 12) -- (17, -11) -- (55, -11) -- (55, 25) -- (4, 25) -- (4, -3) -- (11, -3) -- (11, 18) -- (49, 18) -- (2);
\end{tikzpicture}
\end{document}