pair,contact1,contact2,flow1,flow2
7bwd_C_,6,9,1,1
7bwd_C_,6,10,1,1
7bwd_C_,8,11,1,1
7bwd_C_,8,12,1,1
7bwd_C_,8,13,1,1
7bwd_C_,16,19,1,1
7bwd_C_,16,20,1,1
7bwd_C_,19,22,1,1
7bwd_C_,19,23,1,1
7bwd_C_,22,26,1,1
7bwd_C_,24,27,1,1
7bwd_C_,29,30,1,1
7bwd_C_,37,41,1,1
7bwd_C_,38,42,1,1
7bwd_C_,40,43,1,1
7bwd_C_,41,44,1,1
7bwd_C_,41,45,1,1
7bwd_C_,43,47,1,1
7bwd_C_,44,48,1,1
7bwd_C_,45,49,1,1
7bwd_C_,46,49,1,1
7bwd_C_,46,50,1,1
7bwd_C_,47,51,1,1
7bwd_C_,48,51,1,1
7bwd_C_,48,52,1,1
7bwd_C_,49,53,1,1
7bwd_C_,52,55,1,1
7bwd_C_,52,56,1,1
7bwd_C_,53,57,1,1
7bwd_C_,54,58,1,1
7bwd_C_,55,58,1,1
7bwd_C_,55,59,1,1
7bwd_C_,56,60,1,1
7bwd_C_,59,62,1,1
7bwd_C_,59,63,1,1
7bwd_C_,62,64,1,1
7bwd_C_,63,72,1,1
7bwd_C_,69,72,1,1
7bwd_C_,71,74,1,1
7bwd_C_,71,75,1,1
7bwd_C_,71,97,1,1
7bwd_C_,77,80,1,1
7bwd_C_,78,90,1,1
7bwd_C_,80,83,1,1
7bwd_C_,80,84,1,1
7bwd_C_,83,86,1,1
7bwd_C_,83,87,1,1
7bwd_C_,103,106,1,1
7bwd_C_,107,109,1,1