pair,contact1,contact2,flow1,flow2 2dhg_A_,5,7,1,1 2dhg_A_,11,64,1,1 2dhg_A_,12,56,1,1 2dhg_A_,13,85,1,1 2dhg_A_,14,54,1,1 2dhg_A_,17,50,1,1 2dhg_A_,17,52,1,1 2dhg_A_,18,21,1,1 2dhg_A_,22,25,1,1 2dhg_A_,22,26,1,1 2dhg_A_,23,27,1,1 2dhg_A_,25,29,1,1 2dhg_A_,27,30,1,1 2dhg_A_,27,31,1,1 2dhg_A_,28,32,1,1 2dhg_A_,30,34,1,1 2dhg_A_,34,37,1,1 2dhg_A_,36,59,1,1 2dhg_A_,37,57,1,1 2dhg_A_,38,57,1,1 2dhg_A_,39,57,1,1 2dhg_A_,41,55,1,1 2dhg_A_,43,51,1,1 2dhg_A_,43,53,1,1 2dhg_A_,45,49,1,1 2dhg_A_,51,53,1,1 2dhg_A_,60,64,1,1 2dhg_A_,61,65,1,1 2dhg_A_,62,66,1,1 2dhg_A_,63,67,1,1 2dhg_A_,64,68,1,1 2dhg_A_,65,69,1,1 2dhg_A_,66,70,1,1 2dhg_A_,68,72,1,1 2dhg_A_,72,73,1,1 2dhg_A_,72,84,1,1 2dhg_A_,90,92,1,1