pair,contact1,contact2,flow1,flow2 6ysu_2_,3,6,1,1 6ysu_2_,8,12,1,1 6ysu_2_,9,13,1,1 6ysu_2_,10,14,1,1 6ysu_2_,11,15,1,1 6ysu_2_,12,16,1,1 6ysu_2_,13,17,1,1 6ysu_2_,17,21,1,1 6ysu_2_,18,21,1,1 6ysu_2_,18,22,1,1 6ysu_2_,19,23,1,1 6ysu_2_,22,28,1,1 6ysu_2_,24,27,1,1 6ysu_2_,25,26,1,1 6ysu_2_,25,29,1,1 6ysu_2_,26,29,1,1 6ysu_2_,26,30,1,1 6ysu_2_,27,31,1,1 6ysu_2_,28,32,1,1 6ysu_2_,29,33,1,1 6ysu_2_,30,33,1,1 6ysu_2_,30,34,1,1 6ysu_2_,31,35,1,1 6ysu_2_,34,37,1,1 6ysu_2_,34,39,1,1 6ysu_2_,35,38,1,1