What do you mean by overlap? Does it have anything to do with the Book of Changes?

Shooting cover is a superb and interesting game played by ancient divination learners in the Book of Changes in order to improve their divination skills. "Shooting" means guessing, and "covering" means covering. To cover an object with a jar, box, etc. The shooter guessed what was inside by divination. "The Biography of Hanshu Dong Fangshuo": "Try to make a few scholars respond." Yan Shigu wrote: "Put things under the cover so that arrows can shoot them and clouds can shoot them." Most of the articles hidden in the cover are daily necessities, such as towels, fans, pens and ink, boxes and cans. "The game uses projection.

Shooting is a superb and interesting game in the daily life of ancient literati. Throughout the historical materials, shooting games have a long history and were popular in the palace as early as the Han Dynasty. This game is similar to a guessing game, except that the puzzles are divinatory symbols obtained separately. According to the images, numbers and principles of the Eight Diagrams in the Book of Changes, a concrete thing can be inferred from infinite possibilities. Shooting and covering can not only inadvertently "play" but also test the skills of the easy-to-occupy, which has become a difficult game at all times and in all countries. Shooting is interesting, interactive and entertaining, and can verify the divinatory symbols in real time. No matter whether you shoot or not, you can deepen your thinking, understanding and inspiration on Yi Xiang, which is a good way to practice your ability and self-confidence.