3 numbers puzzle(Hit and Blow)

Logic puzzle game that sheds 3-digit number set by the application.
(It is also referred to as “hit-and-blow” and “3 numbers”.)
How about one-minute exercising and training of your brain?
Every time you answer, you will gain tips H (both number and digit are correct) and B (only number is correct) displayed. Narrow down the number of the correct answers. Let’s hit the answer for less than 8 times.
The number of the remaining candidates of the answer is displayed.
Let’s hit the correct answer, using full rotation of your brain!
For killing time, exercising and training of your brain, and as educational game for children and logical thinking training.

Example of the hint.
１．Input was “247”, then hint is “0H 1B”.
The number of correct answer includes one either among 2, 4, 7, but the digit is different.
２．Input was “681”, then hint is “1H 1B”.
The number of correct answer includes two of the numbers 6, 8, 1. Among those two, one of them has also the correct digit but the other digit is incorrect.

【Feature】Every time you answer, the number of candidates of the remaining number is displayed as “●● ways.” Once it appears as “1 way remaining,” let’s hit the answer at once logically from the tips so far!