pair,contact1,contact2,flow1,flow2 2dl4_A_,1,4,1,1 2dl4_A_,8,34,1,1 2dl4_A_,9,62,1,1 2dl4_A_,10,32,1,1 2dl4_A_,12,29,1,1 2dl4_A_,13,58,1,1 2dl4_A_,16,26,1,1 2dl4_A_,20,23,1,1 2dl4_A_,22,53,1,1 2dl4_A_,24,53,1,1 2dl4_A_,27,30,1,1 2dl4_A_,33,46,1,1 2dl4_A_,35,44,1,1 2dl4_A_,36,38,1,1 2dl4_A_,36,44,1,1 2dl4_A_,39,43,1,1 2dl4_A_,41,56,1,1 2dl4_A_,43,54,1,1 2dl4_A_,47,50,1,1 2dl4_A_,56,59,1,1 2dl4_A_,65,67,1,1