Production Routing Problem - Instances From Archettie et al. (2011)
Best Found Solution - CIRRELT, GERAD & HEC Montreal, QC Canada
set	ins_id	class	trans_cost	n	l	m	Q	C	u	f	tot_time	sln_val	
15	25	1	2	14	6	1	322	UL	300	30000	20	240788	
p_t	x_ijt	q_it	and_so_on
0.01	-1
640.01	0	0	14	19	1	20	5	13	2	15	12	21	4	14	8	26	3	15	0	0	-1
0.01	-1
0.01	0	0	10	22	3	30	11	38	8	26	4	14	12	42	2	30	5	39	1	20	14	38	0	0	-1
0.01	-1
0.01	0	0	14	19	1	10	2	15	6	16	12	21	4	7	8	13	13	19	9	19	3	15	10	22	7	22	0	0	-1