pair,contact1,contact2,flow1,flow2 8ifd_3D_,6,54,1,1 8ifd_3D_,8,52,1,1 8ifd_3D_,10,50,1,1 8ifd_3D_,14,25,1,1 8ifd_3D_,15,25,1,1 8ifd_3D_,16,22,1,1 8ifd_3D_,17,23,1,1 8ifd_3D_,18,21,1,1 8ifd_3D_,19,20,1,1 8ifd_3D_,24,42,1,1 8ifd_3D_,25,41,1,1 8ifd_3D_,25,62,1,1 8ifd_3D_,26,40,1,1 8ifd_3D_,28,38,1,1 8ifd_3D_,33,36,1,1 8ifd_3D_,40,41,1,1 8ifd_3D_,56,57,1,1 8ifd_3D_,57,58,1,1