pair,contact1,contact2,flow1,flow2 8khf_Q_,1,4,1,1 8khf_Q_,2,5,1,1 8khf_Q_,3,9,1,1 8khf_Q_,5,7,1,1 8khf_Q_,9,12,1,1 8khf_Q_,9,13,1,1 8khf_Q_,10,13,1,1 8khf_Q_,10,14,1,1 8khf_Q_,13,17,1,1 8khf_Q_,14,18,1,1 8khf_Q_,15,19,1,1 8khf_Q_,16,19,1,1 8khf_Q_,16,20,1,1 8khf_Q_,18,23,1,1 8khf_Q_,19,24,1,1 8khf_Q_,20,25,1,1 8khf_Q_,22,26,1,1 8khf_Q_,23,27,1,1 8khf_Q_,24,28,1,1 8khf_Q_,25,29,1,1 8khf_Q_,28,31,1,1 8khf_Q_,34,35,1,1