pair,contact1,contact2,flow1,flow2 1apq_A_,1,3,1,1 1apq_A_,3,4,1,1 1apq_A_,3,31,1,1 1apq_A_,4,6,1,1 1apq_A_,5,8,1,1 1apq_A_,5,9,1,1 1apq_A_,7,10,1,1 1apq_A_,7,28,1,1 1apq_A_,8,10,1,1 1apq_A_,9,11,1,1 1apq_A_,10,14,1,1 1apq_A_,10,21,1,1 1apq_A_,13,15,1,1 1apq_A_,15,17,1,1 1apq_A_,17,19,1,1 1apq_A_,17,21,1,1 1apq_A_,22,48,1,1 1apq_A_,23,48,1,1 1apq_A_,23,49,1,1 1apq_A_,23,50,1,1 1apq_A_,24,38,1,1 1apq_A_,25,36,1,1 1apq_A_,27,34,1,1 1apq_A_,29,32,1,1 1apq_A_,33,48,1,1 1apq_A_,36,50,1,1 1apq_A_,38,39,1,1 1apq_A_,38,41,1,1 1apq_A_,42,44,1,1 1apq_A_,42,51,1,1 1apq_A_,44,47,1,1 1apq_A_,44,49,1,1 1apq_A_,44,53,1,1 1apq_A_,45,47,1,1 1apq_A_,46,48,1,1 1apq_A_,46,49,1,1 1apq_A_,49,51,1,1