pair,contact1,contact2,flow1,flow2 2vwf_A_,1,27,1,1 2vwf_A_,2,55,1,1 2vwf_A_,3,25,1,1 2vwf_A_,4,22,1,1 2vwf_A_,4,53,1,1 2vwf_A_,5,22,1,1 2vwf_A_,5,23,1,1 2vwf_A_,6,51,1,1 2vwf_A_,8,21,1,1 2vwf_A_,9,19,1,1 2vwf_A_,10,12,1,1 2vwf_A_,12,16,1,1 2vwf_A_,13,16,1,1 2vwf_A_,15,46,1,1 2vwf_A_,17,46,1,1 2vwf_A_,18,40,1,1 2vwf_A_,20,23,1,1 2vwf_A_,23,41,1,1 2vwf_A_,24,40,1,1 2vwf_A_,26,39,1,1 2vwf_A_,28,37,1,1 2vwf_A_,29,31,1,1 2vwf_A_,29,37,1,1 2vwf_A_,32,34,1,1 2vwf_A_,32,35,1,1 2vwf_A_,34,49,1,1 2vwf_A_,36,47,1,1 2vwf_A_,38,45,1,1 2vwf_A_,40,43,1,1 2vwf_A_,48,51,1,1 2vwf_A_,49,52,1,1 2vwf_A_,53,54,1,1