pair,contact1,contact2,flow1,flow2 3zy1_A_,10,14,1,1 3zy1_A_,11,15,1,1 3zy1_A_,12,16,1,1 3zy1_A_,13,17,1,1 3zy1_A_,14,18,1,1 3zy1_A_,15,19,1,1 3zy1_A_,16,20,1,1 3zy1_A_,17,21,1,1 3zy1_A_,18,22,1,1 3zy1_A_,19,23,1,1 3zy1_A_,20,23,1,1 3zy1_A_,20,24,1,1 3zy1_A_,21,25,1,1 3zy1_A_,22,26,1,1 3zy1_A_,25,28,1,1 3zy1_A_,26,29,1,1 3zy1_A_,27,30,1,1 3zy1_A_,31,34,1,1 3zy1_A_,31,35,1,1 3zy1_A_,32,36,1,1 3zy1_A_,33,37,1,1 3zy1_A_,34,38,1,1 3zy1_A_,35,39,1,1 3zy1_A_,36,39,1,1 3zy1_A_,36,40,1,1