\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 (9, 0) {$2$};
	\node (5) at (21, 0) {$5$};
	\node (6) at (33, 0) {$6$};
	\node (4) at (40, 0) {$4$};
	\node (3) at (60, 0) {$3$};

	\draw[double=white,draw=green] (6) -- (33, 17) -- (0, 17) -- (1);
	\draw[double=white,draw=blue] (2) -- (9, -18) -- (60, -18) -- (3);
	\draw[double=white,draw=red] (4) -- (40, -10) -- (21, -10) -- (5);
	\draw[double=green] (3) -- (60, 28) -- (6, 28) -- (6, -13) -- (48, -13) -- (48, 15) -- (18, 15) -- (18, -3) -- (24, -3) -- (24, 9) -- (42, 9) -- (42, -2) -- (38, -2) -- (38, 5) -- (28, 5) -- (28, -7) -- (14, -7) -- (14, 20) -- (52, 20) -- (52, -17) -- (2, -17) -- (2, 32) -- (64, 32) -- (64, -4) -- (56, -4) -- (56, 24) -- (10, 24) -- (10, -1) -- (8, -1) -- (8, 26) -- (58, 26) -- (58, -2) -- (62, -2) -- (62, 30) -- (4, 30) -- (4, -15) -- (50, -15) -- (50, 18) -- (16, 18) -- (16, -5) -- (26, -5) -- (26, 7) -- (40, 7) -- (4);
	\draw[double=blue] (5) -- (21, 12) -- (45, 12) -- (45, -5) -- (35, -5) -- (35, 2) -- (31, 2) -- (31, -11) -- (11, -11) -- (11, 23) -- (55, 23) -- (55, -5) -- (65, -5) -- (65, 33) -- (1, 33) -- (1, -19) -- (53, -19) -- (53, 21) -- (13, 21) -- (13, -8) -- (29, -8) -- (29, 4) -- (37, 4) -- (37, -3) -- (43, -3) -- (43, 10) -- (23, 10) -- (23, -2) -- (19, -2) -- (19, 14) -- (47, 14) -- (47, -7) -- (33, -7) -- (6);
	\draw[double=red] (1) -- (0, -20) -- (54, -20) -- (54, 22) -- (12, 22) -- (12, -9) -- (30, -9) -- (30, 3) -- (36, 3) -- (36, -4) -- (44, -4) -- (44, 11) -- (22, 11) -- (22, -1) -- (20, -1) -- (20, 13) -- (46, 13) -- (46, -6) -- (34, -6) -- (34, 1) -- (32, 1) -- (32, -12) -- (7, -12) -- (7, 27) -- (59, 27) -- (59, -1) -- (61, -1) -- (61, 29) -- (5, 29) -- (5, -14) -- (49, -14) -- (49, 16) -- (17, 16) -- (17, -4) -- (25, -4) -- (25, 8) -- (41, 8) -- (41, -1) -- (39, -1) -- (39, 6) -- (27, 6) -- (27, -6) -- (15, -6) -- (15, 19) -- (51, 19) -- (51, -16) -- (3, -16) -- (3, 31) -- (63, 31) -- (63, -3) -- (57, -3) -- (57, 25) -- (9, 25) -- (2);
\end{tikzpicture}
\end{document}