pair,contact1,contact2,flow1,flow2
1zfu_A_,4,34,1,1
1zfu_A_,6,9,1,1
1zfu_A_,12,16,1,1
1zfu_A_,13,17,1,1
1zfu_A_,14,18,1,1
1zfu_A_,15,19,1,1
1zfu_A_,16,20,1,1
1zfu_A_,17,21,1,1
1zfu_A_,19,38,1,1
1zfu_A_,26,40,1,1
1zfu_A_,27,40,1,1
1zfu_A_,29,38,1,1
1zfu_A_,31,36,1,1
1zfu_A_,32,35,1,1