pair,contact1,contact2,flow1,flow2 7k51_D_,3,6,1,1 7k51_D_,7,8,1,1 7k51_D_,8,12,1,1 7k51_D_,9,13,1,1 7k51_D_,10,14,1,1 7k51_D_,11,14,1,1 7k51_D_,11,15,1,1 7k51_D_,12,15,1,1 7k51_D_,12,16,1,1 7k51_D_,13,17,1,1 7k51_D_,17,21,1,1 7k51_D_,18,22,1,1 7k51_D_,20,23,1,1 7k51_D_,21,24,1,1 7k51_D_,22,28,1,1 7k51_D_,23,28,1,1 7k51_D_,24,28,1,1 7k51_D_,25,26,1,1 7k51_D_,26,30,1,1 7k51_D_,27,31,1,1 7k51_D_,28,32,1,1 7k51_D_,29,33,1,1 7k51_D_,30,34,1,1 7k51_D_,31,35,1,1 7k51_D_,32,36,1,1 7k51_D_,33,37,1,1 7k51_D_,34,39,1,1 7k51_D_,40,42,1,1 7k51_D_,43,44,1,1