pair,contact1,contact2,flow1,flow2 1iqn_L_,1,19,1,1 1iqn_L_,2,5,1,1 1iqn_L_,3,15,1,1 1iqn_L_,3,16,1,1 1iqn_L_,6,9,1,1 1iqn_L_,7,10,1,1 1iqn_L_,7,12,1,1 1iqn_L_,7,14,1,1 1iqn_L_,9,36,1,1 1iqn_L_,10,13,1,1 1iqn_L_,11,36,1,1 1iqn_L_,11,38,1,1 1iqn_L_,12,26,1,1 1iqn_L_,13,24,1,1 1iqn_L_,15,22,1,1 1iqn_L_,17,19,1,1 1iqn_L_,17,20,1,1 1iqn_L_,18,19,1,1 1iqn_L_,26,29,1,1 1iqn_L_,27,46,1,1 1iqn_L_,28,41,1,1 1iqn_L_,29,46,1,1 1iqn_L_,30,39,1,1 1iqn_L_,32,35,1,1 1iqn_L_,32,37,1,1 1iqn_L_,34,36,1,1 1iqn_L_,34,37,1,1 1iqn_L_,49,51,1,1