pair,contact1,contact2,flow1,flow2 1yug_A_,2,4,1,1 1yug_A_,2,26,1,1 1yug_A_,3,27,1,1 1yug_A_,11,14,1,1 1yug_A_,12,15,1,1 1yug_A_,13,16,1,1 1yug_A_,13,21,1,1 1yug_A_,14,42,1,1 1yug_A_,15,42,1,1 1yug_A_,20,33,1,1 1yug_A_,22,31,1,1 1yug_A_,24,29,1,1 1yug_A_,39,45,1,1 1yug_A_,41,43,1,1