pair,contact1,contact2,flow1,flow2 7k50_D_,3,6,1,1 7k50_D_,8,11,1,1 7k50_D_,8,12,1,1 7k50_D_,9,13,1,1 7k50_D_,10,13,1,1 7k50_D_,10,14,1,1 7k50_D_,11,15,1,1 7k50_D_,12,16,1,1 7k50_D_,13,17,1,1 7k50_D_,17,21,1,1 7k50_D_,18,22,1,1 7k50_D_,20,23,1,1 7k50_D_,21,24,1,1 7k50_D_,24,28,1,1 7k50_D_,25,29,1,1 7k50_D_,26,30,1,1 7k50_D_,27,31,1,1 7k50_D_,28,32,1,1 7k50_D_,29,33,1,1 7k50_D_,30,33,1,1 7k50_D_,30,34,1,1 7k50_D_,31,35,1,1 7k50_D_,32,36,1,1 7k50_D_,33,37,1,1 7k50_D_,34,38,1,1 7k50_D_,34,39,1,1 7k50_D_,35,38,1,1 7k50_D_,40,42,1,1 7k50_D_,43,44,1,1