pair,contact1,contact2,flow1,flow2 1f7z_I_,1,55,1,1 1f7z_I_,1,56,1,1 1f7z_I_,2,5,1,1 1f7z_I_,3,6,1,1 1f7z_I_,4,7,1,1 1f7z_I_,7,43,1,1 1f7z_I_,11,34,1,1 1f7z_I_,11,36,1,1 1f7z_I_,16,36,1,1 1f7z_I_,18,35,1,1 1f7z_I_,20,33,1,1 1f7z_I_,20,44,1,1 1f7z_I_,21,45,1,1 1f7z_I_,22,31,1,1 1f7z_I_,23,43,1,1 1f7z_I_,24,27,1,1 1f7z_I_,24,28,1,1 1f7z_I_,24,29,1,1 1f7z_I_,24,31,1,1 1f7z_I_,47,50,1,1 1f7z_I_,47,51,1,1 1f7z_I_,48,52,1,1 1f7z_I_,49,53,1,1 1f7z_I_,50,53,1,1 1f7z_I_,50,54,1,1 1f7z_I_,51,55,1,1 1f7z_I_,52,56,1,1