pair,contact1,contact2,flow1,flow2 6xx4_A_,4,30,1,1 6xx4_A_,5,29,1,1 6xx4_A_,5,55,1,1 6xx4_A_,6,28,1,1 6xx4_A_,7,53,1,1 6xx4_A_,8,25,1,1 6xx4_A_,8,26,1,1 6xx4_A_,9,51,1,1 6xx4_A_,11,24,1,1 6xx4_A_,12,19,1,1 6xx4_A_,12,22,1,1 6xx4_A_,13,15,1,1 6xx4_A_,14,19,1,1 6xx4_A_,14,21,1,1 6xx4_A_,15,19,1,1 6xx4_A_,16,18,1,1 6xx4_A_,16,19,1,1 6xx4_A_,18,46,1,1 6xx4_A_,20,46,1,1 6xx4_A_,23,26,1,1 6xx4_A_,27,39,1,1 6xx4_A_,29,37,1,1 6xx4_A_,31,35,1,1 6xx4_A_,32,49,1,1 6xx4_A_,34,47,1,1 6xx4_A_,36,45,1,1 6xx4_A_,38,40,1,1 6xx4_A_,38,41,1,1 6xx4_A_,38,42,1,1 6xx4_A_,38,43,1,1 6xx4_A_,41,43,1,1 6xx4_A_,48,51,1,1 6xx4_A_,49,52,1,1