pair,contact1,contact2,flow1,flow2 1ylc_B_,4,6,1,1 1ylc_B_,6,41,1,1 1ylc_B_,10,32,1,1 1ylc_B_,10,34,1,1 1ylc_B_,15,34,1,1 1ylc_B_,17,33,1,1 1ylc_B_,19,31,1,1 1ylc_B_,19,42,1,1 1ylc_B_,20,43,1,1 1ylc_B_,21,29,1,1 1ylc_B_,22,41,1,1 1ylc_B_,23,25,1,1 1ylc_B_,23,27,1,1 1ylc_B_,23,28,1,1 1ylc_B_,23,29,1,1 1ylc_B_,47,50,1,1 1ylc_B_,48,51,1,1