"Four digits"

(Online game, from a series of logic games, the same as bulls and cows or guess the number.)

Puzzle for logic lovers!
The logic game does not require any special knowledge. Promotes the development of mathematical, intuitive and other types of thinking. This is a great way to have fun and take your free time. This is an opportunity to develop your logic and ingenuity in a playful way, which will help strengthen memory and improve brain abilities. You can play at any distance from each other using communicators (Telegram, Vaiber, Skype, Wotsap...).