pair,contact1,contact2,flow1,flow2
1a6b_B_,1,2,1,1
1a6b_B_,1,3,1,1
1a6b_B_,2,5,1,1
1a6b_B_,5,9,1,1
1a6b_B_,9,10,1,1
1a6b_B_,9,12,1,1
1a6b_B_,13,21,1,1
1a6b_B_,14,17,1,1
1a6b_B_,16,21,1,1
1a6b_B_,18,19,1,1
1a6b_B_,18,28,1,1
1a6b_B_,21,26,1,1
1a6b_B_,22,25,1,1
1a6b_B_,23,31,1,1
1a6b_B_,29,31,1,1
1a6b_B_,32,34,1,1
1a6b_B_,34,40,1,1
1a6b_B_,37,39,1,1
1a6b_B_,37,40,1,1