7							# of nodes
999	43	27	999	999	999	999	WEIGHT MATRIX
43	999	28	20	999	999	24
27	28	999	26	14	999	999
999	20	26	999	19	18	999
999	999	14	19	999	24	999
999	999	999	18	24	999	22
999	24	999	999	999	22	999