/*
  https://medium.com/@themahfujur/17-can-you-solve-this-puzzle-many-people-fail-to-answer-this-viral-problem-78dfa1d017c6
  """
  9 = 72
  8 = 56
  7 = 42
  6 = 30
  5 = 20
  3 = ?
  """

  Same as equation3 but as expanded representation.

  Solutions:
  [program = C * (C + 2 - 3),res = 6,count = 148]
  [program = C * (A - 2),res = 9,count = 31]
  [program = 2 + (A + (B / 3 - A) * 3),res = 12.0,count = 21]
  [program = (C - 1) * C,res = 6,count = 8]
  [program = C * C + 8 * (B * 0) - C,res = 6,count = 6]
  [program = B - C * 2,res = 14,count = 6]
  [program = (C + 2 - 3) * C,res = 6,count = 4]
  [program = (A - 2) * C,res = 9,count = 4]
  [program = B - C - (0 + C),res = 14,count = 1]
  [program = B - C - C,res = 14,count = 1]
  [program = B - 2 * C,res = 14,count = 1]
  [program = B + (1 * 1 - (A + C)),res = 13,count = 1]
  [program = (0 + C - 1) * C,res = 6,count = 1]

  resultMap = [6 = 5,14 = 4,9 = 2,13 = 1,12.0 = 1]


  Cf http://hakank.org/jgap/equation3.conf

*/
data(equation3b,Data,Vars,Unknown,Ops,Constants,MaxSize,Params) :-
  Data = [ [[9,72,8],56],
           [[8,56,7],42],
           [[7,42,6],30],
           [[6,30,5],20]                      
          ],
  Ops = ['+','-','*','/'],
  Constants = 0..10,
  Vars = ['A','B','C'],
  Unknown = [5,20,3],
  MaxSize = 9,  
  Params = new_map([num_gens=30]).