pair,contact1,contact2,flow1,flow2
4tq1_B_,2,7,1,1
4tq1_B_,3,6,1,1
4tq1_B_,3,7,1,1
4tq1_B_,4,8,1,1
4tq1_B_,5,9,1,1
4tq1_B_,6,10,1,1
4tq1_B_,7,11,1,1
4tq1_B_,8,12,1,1
4tq1_B_,9,13,1,1
4tq1_B_,10,14,1,1
4tq1_B_,11,15,1,1
4tq1_B_,12,16,1,1
4tq1_B_,13,17,1,1
4tq1_B_,15,18,1,1
4tq1_B_,15,19,1,1
4tq1_B_,16,20,1,1
4tq1_B_,17,21,1,1
4tq1_B_,18,22,1,1
4tq1_B_,21,24,1,1
4tq1_B_,22,25,1,1
4tq1_B_,24,27,1,1