caption: The image shows an open book with Chinese writing on it, which appears to be a game of sudoku. The book is open to a page with a variety of symbols and text, likely related to the game. The symbols are arranged in a grid pattern, with each symbol representing a different element of the game, such as a circle, a square, and a triangle. The text on the page is written in a traditional Japanese font, and the colors used are mostly shades of blue, green, and yellow.