pair,contact1,contact2,flow1,flow2
7bwd_B_,7,10,1,1
7bwd_B_,11,37,1,1
7bwd_B_,12,15,1,1
7bwd_B_,12,16,1,1
7bwd_B_,14,18,1,1
7bwd_B_,15,19,1,1
7bwd_B_,16,20,1,1
7bwd_B_,18,21,1,1
7bwd_B_,19,22,1,1
7bwd_B_,20,23,1,1
7bwd_B_,21,26,1,1
7bwd_B_,32,36,1,1
7bwd_B_,34,38,1,1
7bwd_B_,35,39,1,1
7bwd_B_,36,40,1,1
7bwd_B_,37,41,1,1
7bwd_B_,39,43,1,1
7bwd_B_,40,44,1,1
7bwd_B_,41,45,1,1
7bwd_B_,42,45,1,1
7bwd_B_,46,50,1,1
7bwd_B_,47,51,1,1
7bwd_B_,48,52,1,1
7bwd_B_,49,53,1,1
7bwd_B_,50,54,1,1
7bwd_B_,51,55,1,1
7bwd_B_,52,56,1,1
7bwd_B_,53,57,1,1
7bwd_B_,54,57,1,1
7bwd_B_,54,58,1,1
7bwd_B_,55,60,1,1
7bwd_B_,55,62,1,1
7bwd_B_,56,59,1,1
7bwd_B_,60,64,1,1
7bwd_B_,62,64,1,1
7bwd_B_,65,68,1,1
7bwd_B_,66,70,1,1
7bwd_B_,68,71,1,1
7bwd_B_,68,72,1,1
7bwd_B_,69,73,1,1
7bwd_B_,72,77,1,1
7bwd_B_,73,76,1,1