pair,contact1,contact2,flow1,flow2 8ihu_A_,3,5,1,1 8ihu_A_,5,20,1,1 8ihu_A_,7,17,1,1 8ihu_A_,7,19,1,1 8ihu_A_,19,21,1,1 8ihu_A_,27,29,1,1 8ihu_A_,34,35,1,1 8ihu_A_,44,47,1,1 8ihu_A_,45,65,1,1 8ihu_A_,50,51,1,1 8ihu_A_,52,53,1,1 8ihu_A_,68,70,1,1