pair,contact1,contact2,flow1,flow2 1dv0_A_,2,5,1,1 1dv0_A_,5,9,1,1 1dv0_A_,10,13,1,1 1dv0_A_,15,18,1,1 1dv0_A_,15,19,1,1 1dv0_A_,16,20,1,1 1dv0_A_,19,22,1,1 1dv0_A_,19,23,1,1 1dv0_A_,20,23,1,1 1dv0_A_,20,24,1,1 1dv0_A_,24,27,1,1 1dv0_A_,26,29,1,1 1dv0_A_,29,33,1,1 1dv0_A_,30,34,1,1 1dv0_A_,32,35,1,1 1dv0_A_,32,36,1,1 1dv0_A_,33,37,1,1