   1    3    2      Helical Valley, N=3
   2    6    2      Biggs EXP6, N=6
   3    3    2      Gaussian, N=3
   4    2    3      Powell Badly Scaled, N=2
   5    3    2      Box 3D, N=3
   6    4    4      Variably Dimensioned, N variable
   7   10    4      Watson, 2<=N<=31
   8    2    2      Penalty I, N variable
   9    2    2      Penalty II, N variable
  10    2    5      Brown Badly Scaled, N=2
  11    4    2      Brown and Dennis, N=4
  12    3    2      Gulf Research and Development, N=3
  13    2    2      Trigonometric, N variable
  14   12    5      Extended Rosebrock, N variable, even
  15    4    2      Extended Powell Singular, N multiple of 4
  16    2    2      Beale, N=2
  17    4    4      Wood, N=4
  18    2    2      Chebyquad, N variable
   0    0    0
