pair,contact1,contact2,flow1,flow2 1dgr_M_,3,4,1,1 1dgr_M_,10,13,1,1 1dgr_M_,18,21,1,1 1dgr_M_,26,90,1,1 1dgr_M_,29,30,1,1 1dgr_M_,40,43,1,1 1dgr_M_,47,53,1,1 1dgr_M_,47,55,1,1 1dgr_M_,48,54,1,1 1dgr_M_,50,54,1,1 1dgr_M_,51,57,1,1 1dgr_M_,51,84,1,1 1dgr_M_,52,85,1,1 1dgr_M_,53,86,1,1 1dgr_M_,54,57,1,1 1dgr_M_,55,58,1,1 1dgr_M_,56,59,1,1 1dgr_M_,57,80,1,1 1dgr_M_,59,64,1,1 1dgr_M_,60,64,1,1 1dgr_M_,61,65,1,1 1dgr_M_,61,73,1,1 1dgr_M_,63,66,1,1 1dgr_M_,63,67,1,1 1dgr_M_,64,67,1,1 1dgr_M_,64,68,1,1 1dgr_M_,65,72,1,1 1dgr_M_,71,74,1,1 1dgr_M_,71,75,1,1 1dgr_M_,72,76,1,1 1dgr_M_,73,77,1,1 1dgr_M_,74,78,1,1 1dgr_M_,75,79,1,1 1dgr_M_,77,80,1,1 1dgr_M_,80,83,1,1 1dgr_M_,82,84,1,1 1dgr_M_,84,85,1,1 1dgr_M_,85,87,1,1 1dgr_M_,89,91,1,1