pair,contact1,contact2,flow1,flow2
4lfb_N_,3,6,1,1
4lfb_N_,4,7,1,1
4lfb_N_,5,8,1,1
4lfb_N_,7,10,1,1
4lfb_N_,8,20,1,1
4lfb_N_,9,11,1,1
4lfb_N_,15,18,1,1
4lfb_N_,16,19,1,1
4lfb_N_,20,22,1,1
4lfb_N_,22,27,1,1
4lfb_N_,23,28,1,1
4lfb_N_,24,37,1,1
4lfb_N_,25,45,1,1
4lfb_N_,31,40,1,1
4lfb_N_,33,37,1,1
4lfb_N_,33,38,1,1
4lfb_N_,39,43,1,1
4lfb_N_,40,44,1,1
4lfb_N_,41,45,1,1
4lfb_N_,42,46,1,1
4lfb_N_,43,47,1,1
4lfb_N_,44,48,1,1
4lfb_N_,45,49,1,1
4lfb_N_,46,50,1,1
4lfb_N_,46,51,1,1
4lfb_N_,47,50,1,1
4lfb_N_,52,55,1,1