pair,contact1,contact2,flow1,flow2 1ner_A_,6,7,1,1 1ner_A_,10,13,1,1 1ner_A_,10,14,1,1 1ner_A_,11,15,1,1 1ner_A_,12,16,1,1 1ner_A_,13,17,1,1 1ner_A_,14,18,1,1 1ner_A_,15,19,1,1 1ner_A_,17,20,1,1 1ner_A_,18,21,1,1 1ner_A_,24,27,1,1 1ner_A_,24,28,1,1 1ner_A_,25,29,1,1 1ner_A_,26,30,1,1 1ner_A_,27,31,1,1 1ner_A_,29,32,1,1 1ner_A_,29,33,1,1 1ner_A_,36,40,1,1 1ner_A_,37,41,1,1 1ner_A_,39,42,1,1 1ner_A_,40,43,1,1 1ner_A_,41,44,1,1 1ner_A_,41,45,1,1 1ner_A_,47,50,1,1 1ner_A_,48,52,1,1 1ner_A_,49,53,1,1 1ner_A_,50,54,1,1 1ner_A_,51,55,1,1 1ner_A_,52,56,1,1 1ner_A_,54,57,1,1 1ner_A_,55,60,1,1 1ner_A_,56,59,1,1 1ner_A_,61,64,1,1 1ner_A_,62,65,1,1 1ner_A_,62,66,1,1 1ner_A_,67,70,1,1 1ner_A_,68,69,1,1