Bulls & Cows - Math game

Bulls and cows - classic logic games. Its essence is very simple, the computer plans a number, your task is to try to guess it. The result of guessing is expressed in arbitrary units - “bulls” and “cows”. "Bull" means that the figure is included in the planned number and stands in its place. "Cow" - the figure is a number, but is in the wrong place. Try to win with the least amount of moves. There are several levels of complexity that change the digit capacity of the number.