FIRE    1 startup: *

The problem is

   GERALD
 + DONALD
   ------
 = ROBERT

FIRE    2 generate-combinations: [gen1],[gen20]
FIRE    3 generate-combinations: [gen2],[gen20]
FIRE    4 generate-combinations: [gen3],[gen20]
FIRE    5 generate-combinations: [gen4],[gen20]
FIRE    6 generate-combinations: [gen5],[gen20]
FIRE    7 generate-combinations: [gen6],[gen20]
FIRE    8 generate-combinations: [gen7],[gen20]
FIRE    9 generate-combinations: [gen8],[gen20]
FIRE   10 generate-combinations: [gen9],[gen20]
FIRE   11 generate-combinations: [gen10],[gen20]
FIRE   12 generate-combinations: [gen1],[gen19]
FIRE   13 generate-combinations: [gen2],[gen19]
FIRE   14 generate-combinations: [gen3],[gen19]
FIRE   15 generate-combinations: [gen4],[gen19]
FIRE   16 generate-combinations: [gen5],[gen19]
FIRE   17 generate-combinations: [gen6],[gen19]
FIRE   18 generate-combinations: [gen7],[gen19]
FIRE   19 generate-combinations: [gen8],[gen19]
FIRE   20 generate-combinations: [gen9],[gen19]
FIRE   21 generate-combinations: [gen10],[gen19]
FIRE   22 generate-combinations: [gen1],[gen18]
FIRE   23 generate-combinations: [gen2],[gen18]
FIRE   24 generate-combinations: [gen3],[gen18]
FIRE   25 generate-combinations: [gen4],[gen18]
FIRE   26 generate-combinations: [gen5],[gen18]
FIRE   27 generate-combinations: [gen6],[gen18]
FIRE   28 generate-combinations: [gen7],[gen18]
FIRE   29 generate-combinations: [gen8],[gen18]
FIRE   30 generate-combinations: [gen9],[gen18]
FIRE   31 generate-combinations: [gen10],[gen18]
FIRE   32 generate-combinations: [gen1],[gen17]
FIRE   33 generate-combinations: [gen2],[gen17]
FIRE   34 generate-combinations: [gen3],[gen17]
FIRE   35 generate-combinations: [gen4],[gen17]
FIRE   36 generate-combinations: [gen5],[gen17]
FIRE   37 generate-combinations: [gen6],[gen17]
FIRE   38 generate-combinations: [gen7],[gen17]
FIRE   39 generate-combinations: [gen8],[gen17]
FIRE   40 generate-combinations: [gen9],[gen17]
FIRE   41 generate-combinations: [gen10],[gen17]
FIRE   42 generate-combinations: [gen1],[gen16]
FIRE   43 generate-combinations: [gen2],[gen16]
FIRE   44 generate-combinations: [gen3],[gen16]
FIRE   45 generate-combinations: [gen4],[gen16]
FIRE   46 generate-combinations: [gen5],[gen16]
FIRE   47 generate-combinations: [gen6],[gen16]
FIRE   48 generate-combinations: [gen7],[gen16]
FIRE   49 generate-combinations: [gen8],[gen16]
FIRE   50 generate-combinations: [gen9],[gen16]
FIRE   51 generate-combinations: [gen10],[gen16]
FIRE   52 generate-combinations: [gen1],[gen15]
FIRE   53 generate-combinations: [gen2],[gen15]
FIRE   54 generate-combinations: [gen3],[gen15]
FIRE   55 generate-combinations: [gen4],[gen15]
FIRE   56 generate-combinations: [gen5],[gen15]
FIRE   57 generate-combinations: [gen6],[gen15]
FIRE   58 generate-combinations: [gen7],[gen15]
FIRE   59 generate-combinations: [gen8],[gen15]
FIRE   60 generate-combinations: [gen9],[gen15]
FIRE   61 generate-combinations: [gen10],[gen15]
FIRE   62 generate-combinations: [gen1],[gen14]
FIRE   63 generate-combinations: [gen2],[gen14]
FIRE   64 generate-combinations: [gen3],[gen14]
FIRE   65 generate-combinations: [gen4],[gen14]
FIRE   66 generate-combinations: [gen5],[gen14]
FIRE   67 generate-combinations: [gen6],[gen14]
FIRE   68 generate-combinations: [gen7],[gen14]
FIRE   69 generate-combinations: [gen8],[gen14]
FIRE   70 generate-combinations: [gen9],[gen14]
FIRE   71 generate-combinations: [gen10],[gen14]
FIRE   72 generate-combinations: [gen1],[gen13]
FIRE   73 generate-combinations: [gen2],[gen13]
FIRE   74 generate-combinations: [gen3],[gen13]
FIRE   75 generate-combinations: [gen4],[gen13]
FIRE   76 generate-combinations: [gen5],[gen13]
FIRE   77 generate-combinations: [gen6],[gen13]
FIRE   78 generate-combinations: [gen7],[gen13]
FIRE   79 generate-combinations: [gen8],[gen13]
FIRE   80 generate-combinations: [gen9],[gen13]
FIRE   81 generate-combinations: [gen10],[gen13]
FIRE   82 generate-combinations: [gen1],[gen12]
FIRE   83 generate-combinations: [gen2],[gen12]
FIRE   84 generate-combinations: [gen3],[gen12]
FIRE   85 generate-combinations: [gen4],[gen12]
FIRE   86 generate-combinations: [gen5],[gen12]
FIRE   87 generate-combinations: [gen6],[gen12]
FIRE   88 generate-combinations: [gen7],[gen12]
FIRE   89 generate-combinations: [gen8],[gen12]
FIRE   90 generate-combinations: [gen9],[gen12]
FIRE   91 generate-combinations: [gen10],[gen12]
FIRE   92 generate-combinations: [gen1],[gen11]
FIRE   93 generate-combinations: [gen2],[gen11]
FIRE   94 find-solution: [gen66],[gen21],[gen79],[gen98],[gen85],[gen110],[gen47],[gen34],[gen53],[gen112]
A Solution is:

  G = 1
  E = 9
  R = 7
  A = 4
  L = 8
  D = 5
  O = 2
  N = 6
  B = 3
  T = 0

   197485
 + 526485
   ------
 = 723970

FIRE   95 generate-combinations: [gen3],[gen11]
FIRE   96 generate-combinations: [gen4],[gen11]
FIRE   97 generate-combinations: [gen5],[gen11]
FIRE   98 generate-combinations: [gen6],[gen11]
FIRE   99 generate-combinations: [gen7],[gen11]
FIRE  100 generate-combinations: [gen8],[gen11]
FIRE  101 generate-combinations: [gen9],[gen11]
FIRE  102 generate-combinations: [gen10],[gen11]