pair,contact1,contact2,flow1,flow2 1knt_A_,1,4,1,1 1knt_A_,2,5,1,1 1knt_A_,3,6,1,1 1knt_A_,6,42,1,1 1knt_A_,7,40,1,1 1knt_A_,9,11,1,1 1knt_A_,10,35,1,1 1knt_A_,12,13,1,1 1knt_A_,12,37,1,1 1knt_A_,17,34,1,1 1knt_A_,19,32,1,1 1knt_A_,20,44,1,1 1knt_A_,21,30,1,1 1knt_A_,22,42,1,1 1knt_A_,23,25,1,1 1knt_A_,23,26,1,1 1knt_A_,23,28,1,1 1knt_A_,26,28,1,1 1knt_A_,29,51,1,1 1knt_A_,34,39,1,1 1knt_A_,40,42,1,1 1knt_A_,46,49,1,1 1knt_A_,46,50,1,1 1knt_A_,47,51,1,1 1knt_A_,48,52,1,1 1knt_A_,49,53,1,1 1knt_A_,50,54,1,1 1knt_A_,51,55,1,1