GOAL:: 	123
	450

INIT::	430
	215

Calculating Manhattan Distance:
with path also given

	1  2  3  4  5

430	2  2  1  1  1	= 7
215
path = nil

403	2  2  0  1  1	= 6
215
path = R

435	2  2  1  1  2	= 8
210
path = U

043	2  2  0  2  1	= 7
215
path = RR

413	1  2  0  1  1	= 5
205
path = RU

413	1  1  0  1  1	= 4
025
path = RUR

413	1  2  0  1  0	= 4
250
path = RUL

013	1  1  0  0  1	= 3
425
path = RURD

103	0  1  0  0  1	= 2
425
path = RURDL

123	0  0  0  0  1	= 1
405
path = RURDLU

130	0  1  1  0  1	= 3
425
path = RURDLL

123	0  0  0  0  0	= 0
450
path = RURDLUL