pair,contact1,contact2,flow1,flow2 3rer_A_,1,4,1,1 3rer_A_,2,6,1,1 3rer_A_,3,7,1,1 3rer_A_,3,51,1,1 3rer_A_,4,8,1,1 3rer_A_,5,9,1,1 3rer_A_,6,10,1,1 3rer_A_,7,11,1,1 3rer_A_,8,12,1,1 3rer_A_,9,13,1,1 3rer_A_,10,15,1,1 3rer_A_,11,14,1,1 3rer_A_,11,32,1,1 3rer_A_,12,13,1,1 3rer_A_,16,60,1,1 3rer_A_,17,29,1,1 3rer_A_,18,58,1,1 3rer_A_,18,60,1,1 3rer_A_,19,27,1,1 3rer_A_,20,55,1,1 3rer_A_,20,56,1,1 3rer_A_,21,24,1,1 3rer_A_,21,25,1,1 3rer_A_,22,53,1,1 3rer_A_,23,25,1,1 3rer_A_,28,43,1,1 3rer_A_,30,42,1,1 3rer_A_,32,40,1,1 3rer_A_,32,46,1,1 3rer_A_,33,40,1,1 3rer_A_,35,37,1,1 3rer_A_,35,38,1,1 3rer_A_,35,51,1,1 3rer_A_,36,51,1,1 3rer_A_,37,51,1,1 3rer_A_,39,49,1,1 3rer_A_,41,47,1,1 3rer_A_,42,43,1,1 3rer_A_,42,44,1,1 3rer_A_,43,45,1,1 3rer_A_,43,47,1,1 3rer_A_,45,47,1,1 3rer_A_,50,53,1,1 3rer_A_,51,54,1,1 3rer_A_,55,56,1,1