This paper presents new factual materials found in the Book of Changes, discoveries that will be of interest to: mathematicians, t. k. they will come into contact: with the very first regular sequence of numbers, dichotomy - the progenitor of division, summation in ancient numerical structures; - historians, t. k. they will find material clarifying the sequence of the emergence of ancient texts; - esotericists who will learn the basics of any esoteric doctrine; - the book will be useful to a wide range of readers who are interested in issues relating to the very origins of our civilization Mathematical regularities are revealed in the esoteric material of the mantic formulas of the first layer (according to U. K. The main text of the Book of Changes Wen Wang and the sequence of Fu Xi in the form of classical squares 88 and revealed the area (square 4096 dodecagrams), in which Wen Wang operated by the method of sampling options and the use of simple, characteristic of the Ancient world, transformations. The alleged sequence of manipulations was produced, resulting in the Book of Gua. The application of structuring in four values (by analogy with the probability distribution of occurrence of 6,7,8,9, obtained by divination) to several different sets of dodecagram sets in the square of 4096 dodecagrams of Fu Xi, and then to the structures of the Book of Gua Book of Changes . is revealed. The book contains a purely pragmatic material, with a minimal amount of judgment, the ability to make which is given to the reader.