pair,contact1,contact2,flow1,flow2 4ng9_L_,1,15,1,1 4ng9_L_,2,15,1,1 4ng9_L_,4,7,1,1 4ng9_L_,5,8,1,1 4ng9_L_,6,9,1,1 4ng9_L_,6,11,1,1 4ng9_L_,6,13,1,1 4ng9_L_,7,9,1,1 4ng9_L_,7,20,1,1 4ng9_L_,9,12,1,1 4ng9_L_,10,35,1,1 4ng9_L_,10,37,1,1 4ng9_L_,11,25,1,1 4ng9_L_,12,23,1,1 4ng9_L_,14,21,1,1 4ng9_L_,14,23,1,1 4ng9_L_,16,17,1,1 4ng9_L_,16,19,1,1 4ng9_L_,22,34,1,1 4ng9_L_,23,37,1,1 4ng9_L_,25,26,1,1 4ng9_L_,27,40,1,1 4ng9_L_,28,45,1,1 4ng9_L_,29,38,1,1 4ng9_L_,31,34,1,1 4ng9_L_,31,36,1,1 4ng9_L_,33,35,1,1 4ng9_L_,33,36,1,1 4ng9_L_,48,51,1,1 4ng9_L_,48,52,1,1 4ng9_L_,49,53,1,1 4ng9_L_,51,54,1,1