alpar@345: @nodes
alpar@345: label	supply1	supply2	supply3
alpar@345: 1	0	20	27	
alpar@345: 2	0	-4	0		
alpar@345: 3	0	0	0	
alpar@345: 4	0	0	0	
alpar@345: 5	0	9	0	
alpar@345: 6	0	-6	0	
alpar@345: 7	0	0	0	
alpar@345: 8	0	0	0	
alpar@345: 9	0	3	0	
alpar@345: 10	0	-2	0	
alpar@345: 11	0	0	0		
alpar@345: 12	0	-20	-27	
alpar@345:                
alpar@345: @arcs
alpar@345: 		cost	capacity	lower1	lower2
alpar@345: 1	2	70	11		0	8
alpar@345: 1	3	150	3		0	1
alpar@345: 1	4	80	15		0	2
alpar@345: 2	8	80	12		0	0
alpar@345: 3	5	140	5		0	3
alpar@345: 4	6	60	10		0	1
alpar@345: 4	7	80	2		0	0
alpar@345: 4	8	110	3		0	0
alpar@345: 5	7	60	14		0	0
alpar@345: 5	11	120	12		0	0
alpar@345: 6	3	0	3		0	0
alpar@345: 6	9	140	4		0	0
alpar@345: 6	10	90	8		0	0
alpar@345: 7	1	30	5		0	0
alpar@345: 8	12	60	16		0	4
alpar@345: 9	12	50	6		0	0
alpar@345: 10	12	70	13		0	5
alpar@345: 10	2	100	7		0	0
alpar@345: 10	7	60	10		0	0
alpar@345: 11	10	20	14		0	6
alpar@345: 12	11	30	10		0	0
alpar@345: 
alpar@345: @attributes
alpar@345: source	1
alpar@345: target	12
alpar@345: 
alpar@345: @end