pair,contact1,contact2,flow1,flow2
4pdb_I_,1,38,1,1
4pdb_I_,2,37,1,1
4pdb_I_,3,36,1,1
4pdb_I_,4,35,1,1
4pdb_I_,5,34,1,1
4pdb_I_,6,33,1,1
4pdb_I_,7,32,1,1
4pdb_I_,8,31,1,1
4pdb_I_,9,30,1,1
4pdb_I_,10,29,1,1
4pdb_I_,11,13,1,1
4pdb_I_,12,14,1,1
4pdb_I_,12,25,1,1
4pdb_I_,13,28,1,1
4pdb_I_,14,25,1,1
4pdb_I_,14,27,1,1
4pdb_I_,15,24,1,1
4pdb_I_,15,26,1,1
4pdb_I_,16,23,1,1
4pdb_I_,17,22,1,1
4pdb_I_,18,21,1,1
4pdb_I_,25,26,1,1