pair,contact1,contact2,flow1,flow2 1soh_A_,1,4,1,1 1soh_A_,3,7,1,1 1soh_A_,5,8,1,1 1soh_A_,6,9,1,1 1soh_A_,6,10,1,1 1soh_A_,9,12,1,1 1soh_A_,11,14,1,1 1soh_A_,11,15,1,1 1soh_A_,15,19,1,1 1soh_A_,16,20,1,1 1soh_A_,18,21,1,1 1soh_A_,21,25,1,1 1soh_A_,23,26,1,1 1soh_A_,24,27,1,1 1soh_A_,24,29,1,1 1soh_A_,25,28,1,1 1soh_A_,27,30,1,1 1soh_A_,29,32,1,1 1soh_A_,30,33,1,1 1soh_A_,33,36,1,1 1soh_A_,36,40,1,1 1soh_A_,41,44,1,1 1soh_A_,45,49,1,1 1soh_A_,46,49,1,1 1soh_A_,46,50,1,1 1soh_A_,47,50,1,1 1soh_A_,50,53,1,1 1soh_A_,51,54,1,1 1soh_A_,51,55,1,1 1soh_A_,54,58,1,1 1soh_A_,56,60,1,1 1soh_A_,57,61,1,1 1soh_A_,59,62,1,1 1soh_A_,61,64,1,1