What's the name of this picture?

He Tu and Luo Shu are images and sequences endowed by heaven in ancient legends of China. According to legend, if the holy king has a good plan, God will give Hetuluo a letter, which symbolizes the destiny of the son of heaven and has the authority to rule legally. After five dynasties, Luo Shu also refers to a pattern of digital arrangement. During the Five Dynasties, Chu Shi and Chen Tuan put forward the Luo Shu model, which is an important part of China's traditional philosophy of the Book of Changes. Later, it was widely used in geomantic omen and divination and became the source of divination.

River map is a structure represented by points, from one point to ten points, forming a combination of graphics:

Decimal chart (number of days and location in river chart)

One and six are at the bottom (in the north, in the back),

Two and seven are at the top (in the south, in front).

Three columns and eight columns are on the left (in the east, on the left),

Four and nine are on the right (in the west, on the right),

Five and ten are arranged in the middle,

Odd numbers (1, 3, 5, 7, 9) generally use white dots, and even numbers (2, 4, 6, 8, 10) generally use black dots, so that there are yin and yang in every direction.

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"Five days, five places. There are five in twenty days and thirty in places; There are five places where the number of heaven and earth is fifty, which makes it possible for changes and ghosts to walk.

"Tianyi, second, third, fourth, Wu Di, Liu Di, Tiki, Buddy, ninth, tenth. -< copula upload >