Sudoku-Fun Sudoku

"Sudoku-Fun Sudoku" is a popular digital puzzle game all over the world. Its English name is sudoku. It is completed by logical reasoning. Sudoku was once popular all over the world. By shuffling the numbers first, and then extracting a certain number of numbers, the remaining numbers form a brand new number puzzle. The problem-solving process does not require calculations or special math skills, just use your brain and focus. "Sudoku-Fun Sudoku" contains four difficulty levels: easy, medium, difficult, and professional. It also provides a daily puzzle game. There may be multiple solutions to the same puzzle. Playing a Sudoku game every day can improve your concentration and further develop your brain.

Sudoku game rules and gameplay
"Sudoku-Fun Sudoku" is composed of classic Sudoku 9×9 grids. The process of solving the problem is to fill in the numbers 1-9 in the 9×9 grids, requiring each row, column and group (thick square The numbers in the 3×3 grid inside the box cannot be repeated.

The numbers 1 to 9 are on each line if and only if it appears once.
The numbers 1 to 9 are in each column if and only if they appear once.
The numbers 1 to 9 are in each group if and only if they appear once.

When all the grids of 9x9 are filled with numbers, and each row, column, and group meets the above conditions, the challenge is successful.