pair,contact1,contact2,flow1,flow2 2cbh_A_,2,18,1,1 2cbh_A_,2,20,1,1 2cbh_A_,5,35,1,1 2cbh_A_,6,8,1,1 2cbh_A_,6,35,1,1 2cbh_A_,7,9,1,1 2cbh_A_,8,33,1,1 2cbh_A_,9,33,1,1 2cbh_A_,10,13,1,1 2cbh_A_,20,23,1,1 2cbh_A_,24,36,1,1 2cbh_A_,26,34,1,1 2cbh_A_,26,36,1,1 2cbh_A_,29,32,1,1