Sudoku - Puzzle Word Game 與 Impossible Quiz - Hard Test 使用情況與統計

Sudoku is a Latin square game created by the Swiss mathematician Leonhard Euler at the end of the 18th century. In the big 9×9 grid, there are 9 small 3×3 grids, and more than 17 numbers are provided. Based on these numbers, use logic and reasoning to fill in the other blanks with numbers from 1 to 9. Each number can only appear once in each small nine-square grid, and each number can only appear once in each row and column. Come and try it