pair,contact1,contact2,flow1,flow2
1bhu_A_,1,3,1,1
1bhu_A_,3,12,1,1
1bhu_A_,4,10,1,1
1bhu_A_,7,8,1,1
1bhu_A_,8,10,1,1
1bhu_A_,9,24,1,1
1bhu_A_,11,22,1,1
1bhu_A_,12,45,1,1
1bhu_A_,13,20,1,1
1bhu_A_,18,19,1,1
1bhu_A_,19,21,1,1
1bhu_A_,24,26,1,1
1bhu_A_,27,30,1,1
1bhu_A_,28,31,1,1
1bhu_A_,28,32,1,1
1bhu_A_,29,33,1,1
1bhu_A_,37,96,1,1
1bhu_A_,41,44,1,1
1bhu_A_,45,89,1,1
1bhu_A_,46,89,1,1
1bhu_A_,48,87,1,1
1bhu_A_,52,98,1,1
1bhu_A_,53,99,1,1
1bhu_A_,54,78,1,1
1bhu_A_,55,97,1,1
1bhu_A_,56,75,1,1
1bhu_A_,57,95,1,1
1bhu_A_,60,71,1,1
1bhu_A_,61,64,1,1
1bhu_A_,61,71,1,1
1bhu_A_,62,64,1,1
1bhu_A_,67,69,1,1
1bhu_A_,73,74,1,1
1bhu_A_,80,83,1,1