pair,contact1,contact2,flow1,flow2
8oo0_Sf_,1,2,1,1
8oo0_Sf_,3,4,1,1
8oo0_Sf_,14,16,1,1
8oo0_Sf_,24,27,1,1
8oo0_Sf_,29,37,1,1
8oo0_Sf_,40,54,1,1
8oo0_Sf_,42,45,1,1
8oo0_Sf_,44,66,1,1
8oo0_Sf_,45,48,1,1
8oo0_Sf_,61,70,1,1
8oo0_Sf_,63,67,1,1
8oo0_Sf_,67,69,1,1