I can't provide you with pictures and links, but I can provide you with steps. China Fu two-color ball chart can be found in Fu official website or Fu sales outlets. The specific steps are as follows: 1. Open the page of Zhongfu official website or Fucai sales outlets to inquire about the results and trend chart of two-color ball. 2. Choose a two-color ball chart, usually the recent chart 15-20. 3. In the chart, you can see the historical numbers, the times of appearance, the probability of appearance and the trend of red and blue balls. 4. By observing the trend chart, we can make the purchase strategy according to the historical times and frequency. It should be noted that the two-color ball diagram is only a reference and there is no guarantee of winning the prize. It is recommended that you do what you can when purchasing, and don't excessively pursue and rely on the trend of air tickets.