pair,contact1,contact2,flow1,flow2 3wwl_A_,1,14,1,1 3wwl_A_,3,12,1,1 3wwl_A_,5,9,1,1 3wwl_A_,5,10,1,1 3wwl_A_,11,13,1,1 3wwl_A_,18,21,1,1 3wwl_A_,20,34,1,1 3wwl_A_,21,34,1,1 3wwl_A_,23,32,1,1 3wwl_A_,25,29,1,1 3wwl_A_,25,30,1,1 3wwl_A_,31,45,1,1 3wwl_A_,31,48,1,1 3wwl_A_,33,43,1,1 3wwl_A_,35,41,1,1 3wwl_A_,36,41,1,1 3wwl_A_,45,48,1,1 3wwl_A_,51,54,1,1