pair,contact1,contact2,flow1,flow2 2dsm_A_,12,13,1,1 2dsm_A_,21,29,1,1 2dsm_A_,23,25,1,1 2dsm_A_,23,26,1,1 2dsm_A_,23,27,1,1 2dsm_A_,23,47,1,1 2dsm_A_,24,42,1,1 2dsm_A_,30,33,1,1 2dsm_A_,34,45,1,1 2dsm_A_,36,43,1,1 2dsm_A_,37,39,1,1 2dsm_A_,38,41,1,1 2dsm_A_,38,55,1,1 2dsm_A_,38,58,1,1 2dsm_A_,41,42,1,1 2dsm_A_,47,51,1,1 2dsm_A_,48,52,1,1 2dsm_A_,49,53,1,1 2dsm_A_,50,54,1,1 2dsm_A_,51,55,1,1 2dsm_A_,67,69,1,1 2dsm_A_,70,72,1,1