pair,contact1,contact2,flow1,flow2 2gpe_A_,10,13,1,1 2gpe_A_,10,14,1,1 2gpe_A_,11,15,1,1 2gpe_A_,12,16,1,1 2gpe_A_,13,17,1,1 2gpe_A_,14,15,1,1 2gpe_A_,14,18,1,1 2gpe_A_,15,18,1,1 2gpe_A_,15,19,1,1 2gpe_A_,16,20,1,1 2gpe_A_,17,21,1,1 2gpe_A_,18,22,1,1 2gpe_A_,19,23,1,1 2gpe_A_,20,24,1,1 2gpe_A_,21,24,1,1 2gpe_A_,21,26,1,1 2gpe_A_,22,25,1,1 2gpe_A_,27,30,1,1 2gpe_A_,27,31,1,1 2gpe_A_,28,32,1,1 2gpe_A_,29,33,1,1 2gpe_A_,30,34,1,1 2gpe_A_,31,35,1,1 2gpe_A_,32,36,1,1 2gpe_A_,33,37,1,1 2gpe_A_,34,38,1,1 2gpe_A_,35,39,1,1 2gpe_A_,36,40,1,1 2gpe_A_,37,41,1,1 2gpe_A_,38,42,1,1 2gpe_A_,39,43,1,1 2gpe_A_,40,44,1,1 2gpe_A_,41,45,1,1