This is a common and common math game. The rules are simple and very easy to use. Its mathematical concept is as long as it is arranged and combined, there are many possibilities for the opponent to guess, and because of the complex and versatile arrangement of the combination, the game is simple. It is not monotonous and very playable.Use your logical reasoning ability to guess the correct number of answers, provide two modes to choose, use the green light of the traffic light to represent the correct position of the number, use the yellow light of the traffic light to represent the correct number but the position is not correct, use the traffic light red The numbers between the lights representing the numbers and the incorrect answers are not repeated, use these clues to find the real answer! Auxiliary items are also available in the game to allow you to guess the numbers more accurately in the game.