pair,contact1,contact2,flow1,flow2
2fnf_X_,2,6,1,1
2fnf_X_,3,5,1,1
2fnf_X_,4,7,1,1
2fnf_X_,5,8,1,1
2fnf_X_,6,12,1,1
2fnf_X_,11,39,1,1
2fnf_X_,11,42,1,1
2fnf_X_,11,56,1,1
2fnf_X_,11,57,1,1
2fnf_X_,11,58,1,1
2fnf_X_,14,38,1,1
2fnf_X_,16,36,1,1
2fnf_X_,18,20,1,1
2fnf_X_,23,32,1,1
2fnf_X_,25,29,1,1
2fnf_X_,25,30,1,1
2fnf_X_,26,45,1,1
2fnf_X_,28,47,1,1
2fnf_X_,31,47,1,1
2fnf_X_,34,49,1,1
2fnf_X_,35,48,1,1
2fnf_X_,37,46,1,1
2fnf_X_,38,39,1,1
2fnf_X_,39,42,1,1
2fnf_X_,39,44,1,1
2fnf_X_,46,47,1,1
2fnf_X_,47,50,1,1
2fnf_X_,47,51,1,1
2fnf_X_,48,51,1,1
2fnf_X_,49,52,1,1
2fnf_X_,50,53,1,1
2fnf_X_,51,54,1,1