pair,contact1,contact2,flow1,flow2 6ymy_h_,6,9,1,1 6ymy_h_,20,21,1,1 6ymy_h_,23,27,1,1 6ymy_h_,24,28,1,1 6ymy_h_,26,29,1,1 6ymy_h_,26,30,1,1 6ymy_h_,27,31,1,1 6ymy_h_,29,33,1,1 6ymy_h_,31,34,1,1 6ymy_h_,31,35,1,1 6ymy_h_,35,39,1,1 6ymy_h_,37,41,1,1 6ymy_h_,39,43,1,1 6ymy_h_,42,46,1,1 6ymy_h_,43,47,1,1 6ymy_h_,44,48,1,1 6ymy_h_,45,48,1,1 6ymy_h_,46,49,1,1 6ymy_h_,48,50,1,1