Columns contain:

1.  amino acid "a"
2.  amino acid "b"
3.  index of "a", alphabetic order
4.  index of "b", alphabetic order
5.  index of "a" used in the paper (Fig.7)
6.  index of "b" used in the paper (Fig.7)
7.  total number of pairs, N(a,b)
8.  total number of contacts, Nc(a,b)
9.  total number of entangled contacts, NcG(a,b)
10. empiric potential E(a,b), eq.(5) in the paper
11. error of E(a,b)
12. empiric enrichment potential DeltaE(a,b), eq.(8) in the paper
13. error of DeltaE(a,b)

See the paper for all the details on these quantities.