pair,contact1,contact2,flow1,flow2
6ypu_s_,2,4,1,1
6ypu_s_,2,5,1,1
6ypu_s_,3,4,1,1
6ypu_s_,6,9,1,1
6ypu_s_,9,12,1,1
6ypu_s_,12,20,1,1
6ypu_s_,14,16,1,1
6ypu_s_,14,17,1,1
6ypu_s_,14,18,1,1
6ypu_s_,17,43,1,1
6ypu_s_,21,24,1,1
6ypu_s_,22,26,1,1
6ypu_s_,25,27,1,1
6ypu_s_,28,31,1,1
6ypu_s_,28,32,1,1
6ypu_s_,31,35,1,1
6ypu_s_,32,36,1,1
6ypu_s_,33,37,1,1
6ypu_s_,34,38,1,1
6ypu_s_,35,39,1,1
6ypu_s_,36,40,1,1
6ypu_s_,37,41,1,1
6ypu_s_,38,42,1,1
6ypu_s_,39,43,1,1
6ypu_s_,41,44,1,1
6ypu_s_,41,45,1,1
6ypu_s_,42,47,1,1