pair,contact1,contact2,flow1,flow2 2vwl_L_,3,6,1,1 2vwl_L_,4,7,1,1 2vwl_L_,4,9,1,1 2vwl_L_,4,11,1,1 2vwl_L_,5,7,1,1 2vwl_L_,5,14,1,1 2vwl_L_,6,27,1,1 2vwl_L_,8,27,1,1 2vwl_L_,9,17,1,1 2vwl_L_,10,15,1,1 2vwl_L_,15,29,1,1 2vwl_L_,17,20,1,1 2vwl_L_,18,37,1,1 2vwl_L_,19,32,1,1 2vwl_L_,20,37,1,1 2vwl_L_,20,39,1,1 2vwl_L_,21,30,1,1 2vwl_L_,23,26,1,1 2vwl_L_,23,28,1,1 2vwl_L_,25,27,1,1 2vwl_L_,25,28,1,1