pair,contact1,contact2,flow1,flow2 2nn4_A_,1,50,1,1 2nn4_A_,2,6,1,1 2nn4_A_,2,50,1,1 2nn4_A_,3,6,1,1 2nn4_A_,3,7,1,1 2nn4_A_,4,8,1,1 2nn4_A_,5,9,1,1 2nn4_A_,6,10,1,1 2nn4_A_,7,11,1,1 2nn4_A_,8,12,1,1 2nn4_A_,9,13,1,1 2nn4_A_,10,13,1,1 2nn4_A_,11,14,1,1 2nn4_A_,11,16,1,1 2nn4_A_,12,15,1,1 2nn4_A_,20,26,1,1 2nn4_A_,21,26,1,1 2nn4_A_,22,25,1,1 2nn4_A_,22,26,1,1 2nn4_A_,23,27,1,1 2nn4_A_,23,58,1,1 2nn4_A_,24,28,1,1 2nn4_A_,25,29,1,1 2nn4_A_,26,30,1,1 2nn4_A_,27,31,1,1 2nn4_A_,28,32,1,1 2nn4_A_,29,33,1,1 2nn4_A_,30,34,1,1 2nn4_A_,31,35,1,1 2nn4_A_,32,36,1,1 2nn4_A_,33,37,1,1 2nn4_A_,34,38,1,1 2nn4_A_,35,39,1,1 2nn4_A_,36,40,1,1 2nn4_A_,37,42,1,1 2nn4_A_,38,41,1,1 2nn4_A_,44,47,1,1 2nn4_A_,44,48,1,1 2nn4_A_,45,49,1,1 2nn4_A_,46,50,1,1 2nn4_A_,47,51,1,1 2nn4_A_,48,52,1,1 2nn4_A_,49,53,1,1 2nn4_A_,50,54,1,1 2nn4_A_,51,55,1,1 2nn4_A_,52,56,1,1 2nn4_A_,53,57,1,1 2nn4_A_,54,58,1,1 2nn4_A_,55,59,1,1 2nn4_A_,56,60,1,1 2nn4_A_,57,61,1,1 2nn4_A_,58,62,1,1 2nn4_A_,59,62,1,1