Optimization for Service Routes of Pallet Service Center Based on the Pallet Pool Mode

Table 3

Distance matrix between demand points (km).

	0	26	22	33	45	50	57	48	34	56	38	42	16	27	31	37
	26	0	9	15	26	18	51	29	41	24	31	43	50	28	19	34
	22	9	0	9	14	17	21	33	20	45	37	21	42	16	31	44
	33	15	9	0	54	15	22	39	43	61	32	18	26	30	19	25
	45	26	14	54	0	28	31	24	37	28	35	14	22	41	29	30
	50	18	17	15	28	0	39	18	20	52	39	47	13	22	36	21
	57	51	21	22	31	39	0	45	39	34	29	24	38	27	42	19
	48	29	33	39	24	18	45	0	29	33	17	20	13	25	47	31
	34	41	20	43	37	20	39	29	0	19	22	37	24	30	16	41
	56	24	45	61	28	52	34	33	19	0	45	23	18	37	22	30
	38	31	37	32	35	39	29	17	22	45	0	21	49	35	17	9
	42	43	21	18	14	47	24	20	37	23	21	0	18	34	29	40
	16	50	42	26	22	13	38	13	24	18	49	18	0	21	35	17
	27	28	16	30	41	22	27	25	30	37	35	34	21	0	36	29
	31	19	31	19	29	36	42	47	16	22	17	29	35	36	0	37
	37	34	44	25	30	21	19	31	41	30	9	40	17	29	37	0