or download this
entering at guess number XXX, current range:
min: 216530321997656745029789011476757518019484653536
...
guess: 216530321997656745029789011476757518019484653552
diff: 0
bingo in XXX guesses! the answer was: 25ed8e31b995bb927966616df2a42b97
+9a2717f0 and your guess was 25ed8e31b995bb927966616df2a42b979a2717f0
+(216530321997656745029789011476757518019484653552).