pair,contact1,contact2,flow1,flow2 6ysu_0_,8,10,1,1 6ysu_0_,8,12,1,1 6ysu_0_,9,13,1,1 6ysu_0_,10,13,1,1 6ysu_0_,10,14,1,1 6ysu_0_,11,15,1,1 6ysu_0_,13,16,1,1 6ysu_0_,14,17,1,1 6ysu_0_,16,19,1,1 6ysu_0_,25,26,1,1 6ysu_0_,28,37,1,1 6ysu_0_,30,33,1,1 6ysu_0_,30,35,1,1 6ysu_0_,30,50,1,1 6ysu_0_,33,35,1,1 6ysu_0_,38,41,1,1 6ysu_0_,39,41,1,1 6ysu_0_,43,46,1,1 6ysu_0_,43,47,1,1 6ysu_0_,48,51,1,1 6ysu_0_,51,53,1,1