Route Card 4 - Harrowingbone

Plotting limits: North:780  South:701  West:240  East:350

Part 1 (Masters, Experts and Novices)

Start at SH221 in GS2574. Using the centre bone only proceed from left to right. In this herringbone the side bones have been replaced by numbers which represent the number of roads ignored.  Finish at next SH.

			1						1			2				1		1						2
1						1								1						1		1					1			1				1
		1																														1		1
1																																2
						1		1	1	1				1		1		1	1	1		1		1	1	1	1		1	1
																																		1
		1		1	1		1				1	1	1		1		1				1		1					1
																																		1
		1																																1
1																																1
1				1			1			1			1						1												1
																1			1			1			1			1		<

Route Checks
1) WWW - 15
2) LETTERS - A,B
3) S - 2470
4) O>W - 2
5) Finish SH - 112

Part 2 (Masters Only)

Continue clockwise via the outer herringbone and then continue to GL77.

Route Checks
6) N - 2977
7) S - 3070
8) ^ - 5
9) R>W - 3/4 Possible R>W at GL31/A5
10) LETTERS - G,S