pair,contact1,contact2,flow1,flow2
1d3b_B_,3,6,1,1
1d3b_B_,5,6,1,1
1d3b_B_,6,9,1,1
1d3b_B_,8,25,1,1
1d3b_B_,8,26,1,1
1d3b_B_,9,25,1,1
1d3b_B_,10,24,1,1
1d3b_B_,10,38,1,1
1d3b_B_,10,77,1,1
1d3b_B_,10,78,1,1
1d3b_B_,11,23,1,1
1d3b_B_,12,75,1,1
1d3b_B_,12,77,1,1
1d3b_B_,13,21,1,1
1d3b_B_,14,72,1,1
1d3b_B_,14,73,1,1
1d3b_B_,15,18,1,1
1d3b_B_,15,19,1,1
1d3b_B_,16,70,1,1
1d3b_B_,17,19,1,1
1d3b_B_,19,41,1,1
1d3b_B_,20,42,1,1
1d3b_B_,22,39,1,1
1d3b_B_,22,40,1,1
1d3b_B_,24,37,1,1
1d3b_B_,26,35,1,1
1d3b_B_,27,35,1,1
1d3b_B_,29,32,1,1
1d3b_B_,29,33,1,1
1d3b_B_,33,68,1,1
1d3b_B_,34,66,1,1
1d3b_B_,36,64,1,1
1d3b_B_,37,38,1,1
1d3b_B_,39,40,1,1
1d3b_B_,39,61,1,1
1d3b_B_,39,62,1,1
1d3b_B_,41,59,1,1
1d3b_B_,43,57,1,1
1d3b_B_,45,55,1,1
1d3b_B_,49,51,1,1
1d3b_B_,49,52,1,1
1d3b_B_,68,71,1,1