pair,contact1,contact2,flow1,flow2
1bu1_A_,1,27,1,1
1bu1_A_,2,56,1,1
1bu1_A_,3,25,1,1
1bu1_A_,4,54,1,1
1bu1_A_,5,22,1,1
1bu1_A_,5,23,1,1
1bu1_A_,6,52,1,1
1bu1_A_,8,21,1,1
1bu1_A_,9,16,1,1
1bu1_A_,9,19,1,1
1bu1_A_,11,18,1,1
1bu1_A_,12,16,1,1
1bu1_A_,13,16,1,1
1bu1_A_,15,47,1,1
1bu1_A_,17,47,1,1
1bu1_A_,20,23,1,1
1bu1_A_,24,40,1,1
1bu1_A_,26,38,1,1
1bu1_A_,28,36,1,1
1bu1_A_,29,36,1,1
1bu1_A_,31,34,1,1
1bu1_A_,32,50,1,1
1bu1_A_,33,50,1,1
1bu1_A_,35,48,1,1
1bu1_A_,37,46,1,1
1bu1_A_,39,41,1,1
1bu1_A_,39,42,1,1
1bu1_A_,39,43,1,1
1bu1_A_,39,44,1,1
1bu1_A_,42,44,1,1
1bu1_A_,49,52,1,1
1bu1_A_,50,53,1,1