pair,contact1,contact2,flow1,flow2
1d3d_A_,1,4,1,1
1d3d_A_,3,6,1,1
1d3d_A_,3,12,1,1
1d3d_A_,7,10,1,1
1d3d_A_,7,11,1,1
1d3d_A_,7,12,1,1
1d3d_A_,7,17,1,1
1d3d_A_,7,20,1,1
1d3d_A_,10,13,1,1
1d3d_A_,10,15,1,1
1d3d_A_,11,14,1,1
1d3d_A_,17,19,1,1
1d3d_A_,17,20,1,1
1d3d_A_,19,22,1,1
1d3d_A_,20,24,1,1
1d3d_A_,21,25,1,1
1d3d_A_,23,26,1,1
1d3d_A_,24,27,1,1
1d3d_A_,26,28,1,1