pair,contact1,contact2,flow1,flow2 6xza_R1_,3,5,1,1 6xza_R1_,3,6,1,1 6xza_R1_,6,9,1,1 6xza_R1_,6,10,1,1 6xza_R1_,7,11,1,1 6xza_R1_,9,12,1,1 6xza_R1_,10,13,1,1 6xza_R1_,13,21,1,1 6xza_R1_,15,17,1,1 6xza_R1_,15,18,1,1 6xza_R1_,15,19,1,1 6xza_R1_,18,44,1,1 6xza_R1_,21,33,1,1 6xza_R1_,22,25,1,1 6xza_R1_,22,26,1,1 6xza_R1_,23,27,1,1 6xza_R1_,23,28,1,1 6xza_R1_,28,29,1,1 6xza_R1_,29,33,1,1 6xza_R1_,30,34,1,1 6xza_R1_,31,35,1,1 6xza_R1_,32,36,1,1 6xza_R1_,33,37,1,1 6xza_R1_,34,38,1,1 6xza_R1_,35,39,1,1 6xza_R1_,36,40,1,1 6xza_R1_,37,41,1,1 6xza_R1_,38,42,1,1 6xza_R1_,39,43,1,1 6xza_R1_,40,44,1,1 6xza_R1_,41,45,1,1 6xza_R1_,42,46,1,1 6xza_R1_,43,48,1,1 6xza_R1_,43,49,1,1 6xza_R1_,44,47,1,1