/*
  https://medium.com/@themahfujur/can-you-solve-this-puzzle-only-one-in-a-thousand-people-can-solve-it-e5a57d0bff8d
  """
  1 + 4 = 5
  2 + 5 = 12
  3 + 6 = 21
  8 + 11 = ?
  """

  This is an expanded version of equation2
  0 0 0 1 4 5
  1 4 5 2 5 12
  2 5 12 3 6 21
  3 6 21 8 11 ?

  Here we find 96 as well as 40 and 64

  [program = D + (C + E),res = 40,count = 22]
  [program = D + (0 + D) * E,res = 96,count = 22]
  [program = (0 + D) * E + D,res = 96,count = 16]
  [program = E + D + C,res = 40,count = 15]
  [program = (D + 4) * D + 0,res = 96,count = 11]
  [program = (A + 5) * D,res = 64,count = 11]
  [program = C + (D + D + (A + (3 - A))),res = 40,count = 7]

  resultMap = [96 = 3,40 = 3,64 = 1]

*/
data(equation2b,Data,Vars,Unknown,Ops,Constants,MaxSize,Params) :-
  Data = [ [[0,0,0,1,4],5],
           [[1,4,5,2,5],12],
           [[2,5,12,3,6],21]
          ],
  Ops = [+,-,*,/],
  Constants = 0..10,
  Vars = ['A','B','C','D','E'], 
  Unknown = [3,6,21,8,11],  
  MaxSize = 15,
  Params = new_map([num_gens=30]).