In The Legend of the Condor Heroes, Huang Rong once cracked the nine squares. The formula is: wear nine shoes, one left, three right, seven left, two four shoulders, eight or six is enough, and five lives in the middle.

There is also a formula: "Don't forget to fill in the middle of the rising line in turn; Put it down when loading and unloading the box, and put it left when unloading the right box; The weight is filled in the box below, as is the upper right row. " This formula is not only applicable to the nine palaces, but also to the promotion of odd-numbered nine palaces, such as the five-five diagram and the seven-seven diagram.

Extended data

A number game originated from the Book of Hutuluo is two mysterious patterns handed down from ancient China. It has always been regarded as the origin of Heluo culture and the source of Chinese civilization, and is known as the "cosmic cube". According to legend, in ancient Fuxi, the dragon horse appeared from the Yellow River in Mengjin County, northeast of Luoyang, bringing a "river map" to Fuxi. Based on this, Fuxi became a gossip and later became the source of Zhouyi.

Jiugongge game plays a great role in people's thinking exercise, and people have realized the educational significance of Jiugongge since ancient times. It has a great influence for thousands of years, and it has appeared in literature and film and television. Jiugongge was originally called "Luo Shu" and now it is also called "Rubik's Cube".

Luoshu is the most basic 3×3 Rubik's cube array and the third-order Rubik's cube in mathematics. There are many vertical and horizontal diagrams in the mathematics books of Tang and Song Dynasties, and on this basis, the game of rearranging the nine palaces has emerged. At present, the earliest forms we know still appear in written records.

Baidu Encyclopedia-Jiugongge (Digital Game)?