pair,contact1,contact2,flow1,flow2 2juc_A_,1,4,1,1 2juc_A_,3,4,1,1 2juc_A_,4,5,1,1 2juc_A_,4,7,1,1 2juc_A_,5,8,1,1 2juc_A_,5,51,1,1 2juc_A_,6,10,1,1 2juc_A_,7,11,1,1 2juc_A_,9,13,1,1 2juc_A_,10,14,1,1 2juc_A_,11,15,1,1 2juc_A_,12,17,1,1 2juc_A_,13,16,1,1 2juc_A_,14,35,1,1 2juc_A_,18,20,1,1 2juc_A_,18,21,1,1 2juc_A_,22,26,1,1 2juc_A_,23,27,1,1 2juc_A_,24,28,1,1 2juc_A_,26,29,1,1 2juc_A_,26,30,1,1 2juc_A_,33,36,1,1 2juc_A_,34,37,1,1 2juc_A_,35,38,1,1 2juc_A_,39,45,1,1 2juc_A_,40,41,1,1 2juc_A_,41,44,1,1 2juc_A_,41,45,1,1 2juc_A_,42,45,1,1 2juc_A_,42,46,1,1 2juc_A_,45,48,1,1 2juc_A_,46,47,1,1 2juc_A_,48,52,1,1 2juc_A_,50,53,1,1 2juc_A_,51,54,1,1 2juc_A_,52,55,1,1