The胆codes of the Double Color Ball are hard to determine. For a game with a probability of one in millions, it is much more difficult to accurately determine the胆code through probability analysis than for 3D games. At the reader's meeting, the author recommended some common techniques for determining胆codes using graphics to the readers, and also wrote related articles on Page 07 of this newspaper, providing some graphic examples. In fact, if we start from the perspective of fun, determining胆codes using graphics is not only interesting, but also does not require tedious data statistics, allowing everyone to enjoy the process.