/* 

  http://hakank.org/jgap/facebook_puzzle2.conf
  https://www.facebook.com/Heavydsparks/photos/a.1432147377066939/2976473412634320/
   9 = 90
   8 = 72
   7 = 56
   6 = 42
   3 = ?

  Solutions:
  [program = X * X + X,res = 12,count = 12]
  [program = X + X * X,res = 12,count = 11]
  [program = X * (X + 1),res = 12,count = 9]
  [program = X * (1 + X),res = 12,count = 6]
  [program = (1 + X) * X,res = 12,count = 3]
  [program = X * X + (X - 0),res = 12,count = 2]

  resultMap = [12 = 6]

*/
data(facebook_puzzle2,Data,Vars,Unknown,Ops,Constants,MaxSize,Params) :-
  Data = [[[9],90],
          [[8],72],
          [[7],56],
          [[6],42]
          ],
  Ops = [+,-,*,/],
  Constants = 0..10,          
  Vars = ['X'],
  Unknown = [3],  
  MaxSize = 3,
  Params = new_map().