pair,contact1,contact2,flow1,flow2 2n9l_A_,2,21,1,1 2n9l_A_,4,19,1,1 2n9l_A_,5,51,1,1 2n9l_A_,5,53,1,1 2n9l_A_,6,17,1,1 2n9l_A_,7,53,1,1 2n9l_A_,7,55,1,1 2n9l_A_,8,15,1,1 2n9l_A_,9,55,1,1 2n9l_A_,9,56,1,1 2n9l_A_,9,57,1,1 2n9l_A_,10,13,1,1 2n9l_A_,11,57,1,1 2n9l_A_,18,19,1,1 2n9l_A_,23,24,1,1 2n9l_A_,23,26,1,1 2n9l_A_,23,27,1,1 2n9l_A_,24,28,1,1 2n9l_A_,25,29,1,1 2n9l_A_,26,30,1,1 2n9l_A_,27,31,1,1 2n9l_A_,28,32,1,1 2n9l_A_,30,33,1,1 2n9l_A_,31,35,1,1 2n9l_A_,32,36,1,1 2n9l_A_,33,37,1,1 2n9l_A_,34,38,1,1 2n9l_A_,35,39,1,1 2n9l_A_,35,40,1,1 2n9l_A_,36,39,1,1 2n9l_A_,41,57,1,1 2n9l_A_,43,45,1,1 2n9l_A_,43,56,1,1 2n9l_A_,45,54,1,1 2n9l_A_,47,50,1,1 2n9l_A_,47,52,1,1