pair,contact1,contact2,flow1,flow2 1ds3_I_,2,4,1,1 1ds3_I_,2,28,1,1 1ds3_I_,3,6,1,1 1ds3_I_,5,8,1,1 1ds3_I_,8,33,1,1 1ds3_I_,10,29,1,1 1ds3_I_,11,30,1,1 1ds3_I_,12,13,1,1 1ds3_I_,12,27,1,1 1ds3_I_,13,15,1,1 1ds3_I_,13,27,1,1 1ds3_I_,15,26,1,1 1ds3_I_,16,48,1,1 1ds3_I_,17,25,1,1 1ds3_I_,18,19,1,1 1ds3_I_,18,45,1,1 1ds3_I_,18,46,1,1 1ds3_I_,19,22,1,1 1ds3_I_,19,23,1,1 1ds3_I_,20,43,1,1 1ds3_I_,21,23,1,1 1ds3_I_,21,25,1,1 1ds3_I_,23,50,1,1 1ds3_I_,24,50,1,1 1ds3_I_,27,30,1,1 1ds3_I_,27,31,1,1 1ds3_I_,28,32,1,1 1ds3_I_,29,33,1,1 1ds3_I_,30,34,1,1 1ds3_I_,31,35,1,1 1ds3_I_,32,36,1,1 1ds3_I_,33,37,1,1 1ds3_I_,35,38,1,1 1ds3_I_,36,39,1,1 1ds3_I_,38,41,1,1 1ds3_I_,38,42,1,1 1ds3_I_,46,47,1,1